From 9b4ff27668a0c3a983cb8d9056380b400551ea64 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Sun, 6 Jan 2002 15:02:01 +0000 Subject: [PATCH] * MAINTAINERS: Mark a29k target as obsolete. * Makefile.in (a29k-tdep.o, remote-adapt.o, remote-eb.o) (remote-mm.o, remote-udi.o): Obsolete. Remove references in comments. * NEWS: Note that a29k targets are obsolete. * a29k-tdep.c: Mark as obsolete. * configure.tgt: Mark a29k-*-aout*, a29k-*-coff*, a29k-*-elf*, a29k-*-ebmon*, a29k-*-kern*, a29k-*-none*, a29k-*-udi* and a29k-*-vxworks* targets as obsolete. * remote-adapt.c: Obsolete. * remote-eb.c: Obsolete. * remote-mm.c: Obsolete. * remote-udi.c: Obsolete. * config/a29k/a29k-udi.mt: Obsolete. * config/a29k/a29k.mt: Obsolete. * config/a29k/tm-a29k.h: Obsolete. * config/a29k/tm-vx29k.h: Obsolete. * config/a29k/vx29k.mt: Obsolete. --- gdb/ChangeLog | 21 + gdb/MAINTAINERS | 3 +- gdb/Makefile.in | 26 +- gdb/NEWS | 14 + gdb/a29k-tdep.c | 2030 +++++++++---------- gdb/config/a29k/a29k-udi.mt | 10 +- gdb/config/a29k/a29k.mt | 10 +- gdb/config/a29k/tm-a29k.h | 1444 +++++++------- gdb/config/a29k/tm-vx29k.h | 460 ++--- gdb/config/a29k/vx29k.mt | 8 +- gdb/remote-adapt.c | 3048 ++++++++++++++--------------- gdb/remote-eb.c | 2176 ++++++++++----------- gdb/remote-mm.c | 3696 +++++++++++++++++------------------ gdb/remote-udi.c | 3444 ++++++++++++++++---------------- 14 files changed, 8212 insertions(+), 8178 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 36f340c8e8a..5cb69ed4459 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,24 @@ +2002-01-06 Andrew Cagney + + * MAINTAINERS: Mark a29k target as obsolete. + * Makefile.in (a29k-tdep.o, remote-adapt.o, remote-eb.o) + (remote-mm.o, remote-udi.o): Obsolete. Remove references in + comments. + * NEWS: Note that a29k targets are obsolete. + * a29k-tdep.c: Mark as obsolete. + * configure.tgt: Mark a29k-*-aout*, a29k-*-coff*, a29k-*-elf*, + a29k-*-ebmon*, a29k-*-kern*, a29k-*-none*, a29k-*-udi* and + a29k-*-vxworks* targets as obsolete. + * remote-adapt.c: Obsolete. + * remote-eb.c: Obsolete. + * remote-mm.c: Obsolete. + * remote-udi.c: Obsolete. + * config/a29k/a29k-udi.mt: Obsolete. + * config/a29k/a29k.mt: Obsolete. + * config/a29k/tm-a29k.h: Obsolete. + * config/a29k/tm-vx29k.h: Obsolete. + * config/a29k/vx29k.mt: Obsolete. + 2002-01-05 Andrew Cagney * rs6000-tdep.c (rs6000_do_registers_info): Replace BIG_ENDIAN diff --git a/gdb/MAINTAINERS b/gdb/MAINTAINERS index b80c6d32daf..fb4bab51905 100644 --- a/gdb/MAINTAINERS +++ b/gdb/MAINTAINERS @@ -51,8 +51,7 @@ variants. *-tdep.c. The Target/Architecture maintainer works with the host maintainer when resolving build issues. The Target/Architecture maintainer works with the native maintainer when resolving API issues. - a29k (--target=a29k-amd-udi broken) - Maintenance only + a29k OBSOLETE alpha --target=alpha-dec-osf4.0a -Werror Maintenance only diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 0c2354da12d..9110a808740 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -809,7 +809,7 @@ uninstall: force $(CONFIG_UNINSTALL) # We do this by grepping through sources. If that turns out to be too slow, # maybe we could just require every .o file to have an initialization routine -# of a given name (remote-udi.o -> _initialize_remote_udi, etc.). +# of a given name (top.o -> _initialize_top, etc.). # # Formatting conventions: The name of the _initialize_* routines must start # in column zero, and must not be inside #if. @@ -1230,8 +1230,8 @@ udi2go32.o: $(srcdir)/29k-share/udi/udi2go32.c $(udiheaders) udr.o: $(srcdir)/29k-share/udi/udr.c $(udiheaders) $(CC) -c $(INTERNAL_CFLAGS) $(srcdir)/29k-share/udi/udr.c -a29k-tdep.o: a29k-tdep.c $(gdbcmd_h) $(gdbcore_h) $(inferior_h) $(defs_h) \ - $(regcache_h) +# OBSOLETE a29k-tdep.o: a29k-tdep.c $(gdbcmd_h) $(gdbcore_h) $(inferior_h) $(defs_h) \ +# OBSOLETE $(regcache_h) a68v-nat.o: a68v-nat.c $(defs_h) $(gdbcore_h) $(inferior_h) \ $(regcache_h) @@ -1861,8 +1861,8 @@ lin-lwp.o: lin-lwp.c $(defs_h) gdb_assert.h gdb_wait.h $(gdbthread_h) \ proc-service.o: proc-service.c $(defs_h) $(inferior_h) gdb_proc_service.h \ $(symtab_h) $(target_h) gregset.h -remote-adapt.o: remote-adapt.c $(defs_h) $(gdbcore_h) \ - $(inferior_h) $(target_h) $(terminal_h) $(gdb_string_h) $(regcache_h) +# OBSOLETE remote-adapt.o: remote-adapt.c $(defs_h) $(gdbcore_h) \ +# OBSOLETE $(inferior_h) $(target_h) $(terminal_h) $(gdb_string_h) $(regcache_h) remote-array.o: remote-array.c $(defs_h) $(gdbcore_h) $(target_h) \ $(gdb_string_h) $(command_h) $(serial_h) $(monitor_h) $(remote_utils_h) \ @@ -1891,9 +1891,9 @@ remote-bug.o: remote-bug.c $(defs_h) $(gdbcore_h) $(serial_h) \ remote-e7000.o: remote-e7000.c $(defs_h) $(gdbcore_h) $(target_h) \ $(serial_h) $(gdb_string_h) $(regcache_h) -remote-eb.o: remote-eb.c $(srcdir)/config/a29k/tm-a29k.h \ - $(defs_h) $(gdbcore_h) $(inferior_h) $(symfile_h) $(target_h) \ - $(terminal_h) $(gdb_string_h) $(regcache_h) +# OBSOLETE remote-eb.o: remote-eb.c $(srcdir)/config/a29k/tm-a29k.h \ +# OBSOLETE $(defs_h) $(gdbcore_h) $(inferior_h) $(symfile_h) $(target_h) \ +# OBSOLETE $(terminal_h) $(gdb_string_h) $(regcache_h) remote-es.o: remote-es.c $(bfd_h) $(command_h) $(defs_h) \ $(inferior_h) $(remote_utils_h) $(terminal_h) $(gdb_string_h) \ @@ -1909,8 +1909,8 @@ remote-mips.o: remote-mips.c $(defs_h) $(gdbcmd_h) \ $(gdbcore_h) $(inferior_h) $(serial_h) $(symfile_h) $(target_h) \ $(regcache_h) -remote-mm.o: remote-mm.c $(bfd_h) $(defs_h) $(inferior_h) \ - minimon.h $(target_h) $(terminal_h) $(gdb_string_h) $(regcache_h) +# OBSOLETE remote-mm.o: remote-mm.c $(bfd_h) $(defs_h) $(inferior_h) \ +# OBSOLETE minimon.h $(target_h) $(terminal_h) $(gdb_string_h) $(regcache_h) remote-nindy.o: remote-nindy.c $(floatformat_h) $(command_h) \ $(defs_h) $(gdbcore_h) $(inferior_h) \ @@ -1932,9 +1932,9 @@ remote-sim.o: remote-sim.c $(defs_h) $(gdbcore_h) \ remote-st.o: remote-st.c $(defs_h) $(gdbcore_h) $(serial_h) \ $(target_h) $(gdb_string_h) $(regcache_h) -remote-udi.o: remote-udi.c $(bfd_h) $(defs_h) $(gdbcmd_h) \ - $(inferior_h) $(target_h) $(terminal_h) $(udiheaders) $(gdb_string_h) \ - $(regcache_h) +# OBSOLETE remote-udi.o: remote-udi.c $(bfd_h) $(defs_h) $(gdbcmd_h) \ +# OBSOLETE $(inferior_h) $(target_h) $(terminal_h) $(udiheaders) $(gdb_string_h) \ +# OBSOLETE $(regcache_h) remote-vx.o: remote-vx.c $(complaints_h) $(defs_h) $(gdbcmd_h) \ $(gdbcore_h) $(inferior_h) $(target_h) vx-share/dbgRpcLib.h \ diff --git a/gdb/NEWS b/gdb/NEWS index 7dee49d9985..d597611cb58 100644 --- a/gdb/NEWS +++ b/gdb/NEWS @@ -11,6 +11,20 @@ x86 OpenBSD i[3456]86-*-openbsd* Sanyo XStormy16 xstormy16-elf +* OBSOLETE configurations and files + +Configurations that have been declared obsolete in this release have +been commented out. Unless there is activity to revive these +configurations, the next release of GDB will have their sources +permanently REMOVED. + +AMD 29k family via UDI a29k-amd-udi, udi29k +A29K VxWorks a29k-*-vxworks +AMD 29000 embedded, using EBMON a29k-none-none +AMD 29000 embedded with COFF a29k-none-coff +AMD 29000 embedded with a.out a29k-none-aout + + * REMOVED configurations and files TI TMS320C80 tic80-*-* diff --git a/gdb/a29k-tdep.c b/gdb/a29k-tdep.c index 2a6d3411e78..4fcc0f219c8 100644 --- a/gdb/a29k-tdep.c +++ b/gdb/a29k-tdep.c @@ -1,1015 +1,1015 @@ -/* Target-machine dependent code for the AMD 29000 - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, - 2001 - Free Software Foundation, Inc. - Contributed by Cygnus Support. Written by Jim Kingdon. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "defs.h" -#include "gdbcore.h" -#include "frame.h" -#include "value.h" -#include "symtab.h" -#include "inferior.h" -#include "gdbcmd.h" -#include "regcache.h" - -/* If all these bits in an instruction word are zero, it is a "tag word" - which precedes a function entry point and gives stack traceback info. - This used to be defined as 0xff000000, but that treated 0x00000deb as - a tag word, while it is really used as a breakpoint. */ -#define TAGWORD_ZERO_MASK 0xff00f800 - -extern CORE_ADDR text_start; /* FIXME, kludge... */ - -/* The user-settable top of the register stack in virtual memory. We - won't attempt to access any stored registers above this address, if set - nonzero. */ - -static CORE_ADDR rstack_high_address = UINT_MAX; - - -/* Should call_function allocate stack space for a struct return? */ -/* On the a29k objects over 16 words require the caller to allocate space. */ -int -a29k_use_struct_convention (int gcc_p, struct type *type) -{ - return (TYPE_LENGTH (type) > 16 * 4); -} - - -/* Structure to hold cached info about function prologues. */ - -struct prologue_info -{ - CORE_ADDR pc; /* First addr after fn prologue */ - unsigned rsize, msize; /* register stack frame size, mem stack ditto */ - unsigned mfp_used:1; /* memory frame pointer used */ - unsigned rsize_valid:1; /* Validity bits for the above */ - unsigned msize_valid:1; - unsigned mfp_valid:1; -}; - -/* Examine the prologue of a function which starts at PC. Return - the first addess past the prologue. If MSIZE is non-NULL, then - set *MSIZE to the memory stack frame size. If RSIZE is non-NULL, - then set *RSIZE to the register stack frame size (not including - incoming arguments and the return address & frame pointer stored - with them). If no prologue is found, *RSIZE is set to zero. - If no prologue is found, or a prologue which doesn't involve - allocating a memory stack frame, then set *MSIZE to zero. - - Note that both msize and rsize are in bytes. This is not consistent - with the _User's Manual_ with respect to rsize, but it is much more - convenient. - - If MFP_USED is non-NULL, *MFP_USED is set to nonzero if a memory - frame pointer is being used. */ - -CORE_ADDR -examine_prologue (CORE_ADDR pc, unsigned *rsize, unsigned *msize, int *mfp_used) -{ - long insn; - CORE_ADDR p = pc; - struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); - struct prologue_info *mi = 0; - - if (msymbol != NULL) - mi = (struct prologue_info *) msymbol->info; - - if (mi != 0) - { - int valid = 1; - if (rsize != NULL) - { - *rsize = mi->rsize; - valid &= mi->rsize_valid; - } - if (msize != NULL) - { - *msize = mi->msize; - valid &= mi->msize_valid; - } - if (mfp_used != NULL) - { - *mfp_used = mi->mfp_used; - valid &= mi->mfp_valid; - } - if (valid) - return mi->pc; - } - - if (rsize != NULL) - *rsize = 0; - if (msize != NULL) - *msize = 0; - if (mfp_used != NULL) - *mfp_used = 0; - - /* Prologue must start with subtracting a constant from gr1. - Normally this is sub gr1,gr1,. */ - insn = read_memory_integer (p, 4); - if ((insn & 0xffffff00) != 0x25010100) - { - /* If the frame is large, instead of a single instruction it - might be a pair of instructions: - const , - sub gr1,gr1, - */ - int reg; - /* Possible value for rsize. */ - unsigned int rsize0; - - if ((insn & 0xff000000) != 0x03000000) - { - p = pc; - goto done; - } - reg = (insn >> 8) & 0xff; - rsize0 = (((insn >> 8) & 0xff00) | (insn & 0xff)); - p += 4; - insn = read_memory_integer (p, 4); - if ((insn & 0xffffff00) != 0x24010100 - || (insn & 0xff) != reg) - { - p = pc; - goto done; - } - if (rsize != NULL) - *rsize = rsize0; - } - else - { - if (rsize != NULL) - *rsize = (insn & 0xff); - } - p += 4; - - /* Next instruction ought to be asgeu V_SPILL,gr1,rab. - * We don't check the vector number to allow for kernel debugging. The - * kernel will use a different trap number. - * If this insn is missing, we just keep going; Metaware R2.3u compiler - * generates prologue that intermixes initializations and puts the asgeu - * way down. - */ - insn = read_memory_integer (p, 4); - if ((insn & 0xff00ffff) == (0x5e000100 | RAB_HW_REGNUM)) - { - p += 4; - } - - /* Next instruction usually sets the frame pointer (lr1) by adding - from gr1. However, this can (and high C does) be - deferred until anytime before the first function call. So it is - OK if we don't see anything which sets lr1. - To allow for alternate register sets (gcc -mkernel-registers) the msp - register number is a compile time constant. */ - - /* Normally this is just add lr1,gr1,. */ - insn = read_memory_integer (p, 4); - if ((insn & 0xffffff00) == 0x15810100) - p += 4; - else - { - /* However, for large frames it can be - const , - add lr1,gr1, - */ - int reg; - CORE_ADDR q; - - if ((insn & 0xff000000) == 0x03000000) - { - reg = (insn >> 8) & 0xff; - q = p + 4; - insn = read_memory_integer (q, 4); - if ((insn & 0xffffff00) == 0x14810100 - && (insn & 0xff) == reg) - p = q; - } - } - - /* Next comes "add lr{},msp,0", but only if a memory - frame pointer is in use. We just check for add lr,msp,0; - we don't check this rsize against the first instruction, and - we don't check that the trace-back tag indicates a memory frame pointer - is in use. - To allow for alternate register sets (gcc -mkernel-registers) the msp - register number is a compile time constant. - - The recommended instruction is actually "sll lr,msp,0". - We check for that, too. Originally Jim Kingdon's code seemed - to be looking for a "sub" instruction here, but the mask was set - up to lose all the time. */ - insn = read_memory_integer (p, 4); - if (((insn & 0xff80ffff) == (0x15800000 | (MSP_HW_REGNUM << 8))) /* add */ - || ((insn & 0xff80ffff) == (0x81800000 | (MSP_HW_REGNUM << 8)))) /* sll */ - { - p += 4; - if (mfp_used != NULL) - *mfp_used = 1; - } - - /* Next comes a subtraction from msp to allocate a memory frame, - but only if a memory frame is - being used. We don't check msize against the trace-back tag. - - To allow for alternate register sets (gcc -mkernel-registers) the msp - register number is a compile time constant. - - Normally this is just - sub msp,msp, - */ - insn = read_memory_integer (p, 4); - if ((insn & 0xffffff00) == - (0x25000000 | (MSP_HW_REGNUM << 16) | (MSP_HW_REGNUM << 8))) - { - p += 4; - if (msize != NULL) - *msize = insn & 0xff; - } - else - { - /* For large frames, instead of a single instruction it might - be - - const , - consth , ; optional - sub msp,msp, - */ - int reg; - unsigned msize0; - CORE_ADDR q = p; - - if ((insn & 0xff000000) == 0x03000000) - { - reg = (insn >> 8) & 0xff; - msize0 = ((insn >> 8) & 0xff00) | (insn & 0xff); - q += 4; - insn = read_memory_integer (q, 4); - /* Check for consth. */ - if ((insn & 0xff000000) == 0x02000000 - && (insn & 0x0000ff00) == reg) - { - msize0 |= (insn << 8) & 0xff000000; - msize0 |= (insn << 16) & 0x00ff0000; - q += 4; - insn = read_memory_integer (q, 4); - } - /* Check for sub msp,msp,. */ - if ((insn & 0xffffff00) == - (0x24000000 | (MSP_HW_REGNUM << 16) | (MSP_HW_REGNUM << 8)) - && (insn & 0xff) == reg) - { - p = q + 4; - if (msize != NULL) - *msize = msize0; - } - } - } - - /* Next instruction might be asgeu V_SPILL,gr1,rab. - * We don't check the vector number to allow for kernel debugging. The - * kernel will use a different trap number. - * Metaware R2.3u compiler - * generates prologue that intermixes initializations and puts the asgeu - * way down after everything else. - */ - insn = read_memory_integer (p, 4); - if ((insn & 0xff00ffff) == (0x5e000100 | RAB_HW_REGNUM)) - { - p += 4; - } - -done: - if (msymbol != NULL) - { - if (mi == 0) - { - /* Add a new cache entry. */ - mi = (struct prologue_info *) xmalloc (sizeof (struct prologue_info)); - msymbol->info = (char *) mi; - mi->rsize_valid = 0; - mi->msize_valid = 0; - mi->mfp_valid = 0; - } - /* else, cache entry exists, but info is incomplete. */ - mi->pc = p; - if (rsize != NULL) - { - mi->rsize = *rsize; - mi->rsize_valid = 1; - } - if (msize != NULL) - { - mi->msize = *msize; - mi->msize_valid = 1; - } - if (mfp_used != NULL) - { - mi->mfp_used = *mfp_used; - mi->mfp_valid = 1; - } - } - return p; -} - -/* Advance PC across any function entry prologue instructions - to reach some "real" code. */ - -CORE_ADDR -a29k_skip_prologue (CORE_ADDR pc) -{ - return examine_prologue (pc, NULL, NULL, NULL); -} - -/* - * Examine the one or two word tag at the beginning of a function. - * The tag word is expect to be at 'p', if it is not there, we fail - * by returning 0. The documentation for the tag word was taken from - * page 7-15 of the 29050 User's Manual. We are assuming that the - * m bit is in bit 22 of the tag word, which seems to be the agreed upon - * convention today (1/15/92). - * msize is return in bytes. - */ - -static int /* 0/1 - failure/success of finding the tag word */ -examine_tag (CORE_ADDR p, int *is_trans, int *argcount, unsigned *msize, - int *mfp_used) -{ - unsigned int tag1, tag2; - - tag1 = read_memory_integer (p, 4); - if ((tag1 & TAGWORD_ZERO_MASK) != 0) /* Not a tag word */ - return 0; - if (tag1 & (1 << 23)) /* A two word tag */ - { - tag2 = read_memory_integer (p - 4, 4); - if (msize) - *msize = tag2 * 2; - } - else - /* A one word tag */ - { - if (msize) - *msize = tag1 & 0x7ff; - } - if (is_trans) - *is_trans = ((tag1 & (1 << 21)) ? 1 : 0); - /* Note that this includes the frame pointer and the return address - register, so the actual number of registers of arguments is two less. - argcount can be zero, however, sometimes, for strange assembler - routines. */ - if (argcount) - *argcount = (tag1 >> 16) & 0x1f; - if (mfp_used) - *mfp_used = ((tag1 & (1 << 22)) ? 1 : 0); - return 1; -} - -/* Initialize the frame. In addition to setting "extra" frame info, - we also set ->frame because we use it in a nonstandard way, and ->pc - because we need to know it to get the other stuff. See the diagram - of stacks and the frame cache in tm-a29k.h for more detail. */ - -static void -init_frame_info (int innermost_frame, struct frame_info *frame) -{ - CORE_ADDR p; - long insn; - unsigned rsize; - unsigned msize; - int mfp_used, trans; - struct symbol *func; - - p = frame->pc; - - if (innermost_frame) - frame->frame = read_register (GR1_REGNUM); - else - frame->frame = frame->next->frame + frame->next->rsize; - -#if 0 /* CALL_DUMMY_LOCATION == ON_STACK */ - This wont work; -#else - if (PC_IN_CALL_DUMMY (p, 0, 0)) -#endif - { - frame->rsize = DUMMY_FRAME_RSIZE; - /* This doesn't matter since we never try to get locals or args - from a dummy frame. */ - frame->msize = 0; - /* Dummy frames always use a memory frame pointer. */ - frame->saved_msp = - read_register_stack_integer (frame->frame + DUMMY_FRAME_RSIZE - 4, 4); - frame->flags |= (TRANSPARENT_FRAME | MFP_USED); - return; - } - - func = find_pc_function (p); - if (func != NULL) - p = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); - else - { - /* Search backward to find the trace-back tag. However, - do not trace back beyond the start of the text segment - (just as a sanity check to avoid going into never-never land). */ -#if 1 - while (p >= text_start - && ((insn = read_memory_integer (p, 4)) & TAGWORD_ZERO_MASK) != 0) - p -= 4; -#else /* 0 */ - char pat[4] = - {0, 0, 0, 0}; - char mask[4]; - char insn_raw[4]; - store_unsigned_integer (mask, 4, TAGWORD_ZERO_MASK); - /* Enable this once target_search is enabled and tested. */ - target_search (4, pat, mask, p, -4, text_start, p + 1, &p, &insn_raw); - insn = extract_unsigned_integer (insn_raw, 4); -#endif /* 0 */ - - if (p < text_start) - { - /* Couldn't find the trace-back tag. - Something strange is going on. */ - frame->saved_msp = 0; - frame->rsize = 0; - frame->msize = 0; - frame->flags = TRANSPARENT_FRAME; - return; - } - else - /* Advance to the first word of the function, i.e. the word - after the trace-back tag. */ - p += 4; - } - - /* We've found the start of the function. - Try looking for a tag word that indicates whether there is a - memory frame pointer and what the memory stack allocation is. - If one doesn't exist, try using a more exhaustive search of - the prologue. */ - - if (examine_tag (p - 4, &trans, (int *) NULL, &msize, &mfp_used)) /* Found good tag */ - examine_prologue (p, &rsize, 0, 0); - else /* No tag try prologue */ - examine_prologue (p, &rsize, &msize, &mfp_used); - - frame->rsize = rsize; - frame->msize = msize; - frame->flags = 0; - if (mfp_used) - frame->flags |= MFP_USED; - if (trans) - frame->flags |= TRANSPARENT_FRAME; - if (innermost_frame) - { - frame->saved_msp = read_register (MSP_REGNUM) + msize; - } - else - { - if (mfp_used) - frame->saved_msp = - read_register_stack_integer (frame->frame + rsize - 4, 4); - else - frame->saved_msp = frame->next->saved_msp + msize; - } -} - -void -init_extra_frame_info (struct frame_info *frame) -{ - if (frame->next == 0) - /* Assume innermost frame. May produce strange results for "info frame" - but there isn't any way to tell the difference. */ - init_frame_info (1, frame); - else - { - /* We're in get_prev_frame. - Take care of everything in init_frame_pc. */ - ; - } -} - -void -init_frame_pc (int fromleaf, struct frame_info *frame) -{ - frame->pc = (fromleaf ? SAVED_PC_AFTER_CALL (frame->next) : - frame->next ? FRAME_SAVED_PC (frame->next) : read_pc ()); - init_frame_info (fromleaf, frame); -} - -/* Local variables (i.e. LOC_LOCAL) are on the memory stack, with their - offsets being relative to the memory stack pointer (high C) or - saved_msp (gcc). */ - -CORE_ADDR -frame_locals_address (struct frame_info *fi) -{ - if (fi->flags & MFP_USED) - return fi->saved_msp; - else - return fi->saved_msp - fi->msize; -} - -/* Routines for reading the register stack. The caller gets to treat - the register stack as a uniform stack in memory, from address $gr1 - straight through $rfb and beyond. */ - -/* Analogous to read_memory except the length is understood to be 4. - Also, myaddr can be NULL (meaning don't bother to read), and - if actual_mem_addr is non-NULL, store there the address that it - was fetched from (or if from a register the offset within - registers). Set *LVAL to lval_memory or lval_register, depending - on where it came from. The contents written into MYADDR are in - target format. */ -void -read_register_stack (CORE_ADDR memaddr, char *myaddr, - CORE_ADDR *actual_mem_addr, enum lval_type *lval) -{ - long rfb = read_register (RFB_REGNUM); - long rsp = read_register (RSP_REGNUM); - - /* If we don't do this 'info register' stops in the middle. */ - if (memaddr >= rstack_high_address) - { - /* a bogus value */ - static char val[] = - {~0, ~0, ~0, ~0}; - /* It's in a local register, but off the end of the stack. */ - int regnum = (memaddr - rsp) / 4 + LR0_REGNUM; - if (myaddr != NULL) - { - /* Provide bogusness */ - memcpy (myaddr, val, 4); - } - supply_register (regnum, val); /* More bogusness */ - if (lval != NULL) - *lval = lval_register; - if (actual_mem_addr != NULL) - *actual_mem_addr = REGISTER_BYTE (regnum); - } - /* If it's in the part of the register stack that's in real registers, - get the value from the registers. If it's anywhere else in memory - (e.g. in another thread's saved stack), skip this part and get - it from real live memory. */ - else if (memaddr < rfb && memaddr >= rsp) - { - /* It's in a register. */ - int regnum = (memaddr - rsp) / 4 + LR0_REGNUM; - if (regnum > LR0_REGNUM + 127) - error ("Attempt to read register stack out of range."); - if (myaddr != NULL) - read_register_gen (regnum, myaddr); - if (lval != NULL) - *lval = lval_register; - if (actual_mem_addr != NULL) - *actual_mem_addr = REGISTER_BYTE (regnum); - } - else - { - /* It's in the memory portion of the register stack. */ - if (myaddr != NULL) - read_memory (memaddr, myaddr, 4); - if (lval != NULL) - *lval = lval_memory; - if (actual_mem_addr != NULL) - *actual_mem_addr = memaddr; - } -} - -/* Analogous to read_memory_integer - except the length is understood to be 4. */ -long -read_register_stack_integer (CORE_ADDR memaddr, int len) -{ - char buf[4]; - read_register_stack (memaddr, buf, NULL, NULL); - return extract_signed_integer (buf, 4); -} - -/* Copy 4 bytes from GDB memory at MYADDR into inferior memory - at MEMADDR and put the actual address written into in - *ACTUAL_MEM_ADDR. */ -static void -write_register_stack (CORE_ADDR memaddr, char *myaddr, - CORE_ADDR *actual_mem_addr) -{ - long rfb = read_register (RFB_REGNUM); - long rsp = read_register (RSP_REGNUM); - /* If we don't do this 'info register' stops in the middle. */ - if (memaddr >= rstack_high_address) - { - /* It's in a register, but off the end of the stack. */ - if (actual_mem_addr != NULL) - *actual_mem_addr = 0; - } - else if (memaddr < rfb) - { - /* It's in a register. */ - int regnum = (memaddr - rsp) / 4 + LR0_REGNUM; - if (regnum < LR0_REGNUM || regnum > LR0_REGNUM + 127) - error ("Attempt to read register stack out of range."); - if (myaddr != NULL) - write_register (regnum, *(long *) myaddr); - if (actual_mem_addr != NULL) - *actual_mem_addr = 0; - } - else - { - /* It's in the memory portion of the register stack. */ - if (myaddr != NULL) - write_memory (memaddr, myaddr, 4); - if (actual_mem_addr != NULL) - *actual_mem_addr = memaddr; - } -} - -/* Find register number REGNUM relative to FRAME and put its - (raw) contents in *RAW_BUFFER. Set *OPTIMIZED if the variable - was optimized out (and thus can't be fetched). If the variable - was fetched from memory, set *ADDRP to where it was fetched from, - otherwise it was fetched from a register. - - The argument RAW_BUFFER must point to aligned memory. */ - -void -a29k_get_saved_register (char *raw_buffer, int *optimized, CORE_ADDR *addrp, - struct frame_info *frame, int regnum, - enum lval_type *lvalp) -{ - struct frame_info *fi; - CORE_ADDR addr; - enum lval_type lval; - - if (!target_has_registers) - error ("No registers."); - - /* Probably now redundant with the target_has_registers check. */ - if (frame == 0) - return; - - /* Once something has a register number, it doesn't get optimized out. */ - if (optimized != NULL) - *optimized = 0; - if (regnum == RSP_REGNUM) - { - if (raw_buffer != NULL) - { - store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), frame->frame); - } - if (lvalp != NULL) - *lvalp = not_lval; - return; - } - else if (regnum == PC_REGNUM && frame->next != NULL) - { - if (raw_buffer != NULL) - { - store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), frame->pc); - } - - /* Not sure we have to do this. */ - if (lvalp != NULL) - *lvalp = not_lval; - - return; - } - else if (regnum == MSP_REGNUM) - { - if (raw_buffer != NULL) - { - if (frame->next != NULL) - { - store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), - frame->next->saved_msp); - } - else - read_register_gen (MSP_REGNUM, raw_buffer); - } - /* The value may have been computed, not fetched. */ - if (lvalp != NULL) - *lvalp = not_lval; - return; - } - else if (regnum < LR0_REGNUM || regnum >= LR0_REGNUM + 128) - { - /* These registers are not saved over procedure calls, - so just print out the current values. */ - if (raw_buffer != NULL) - read_register_gen (regnum, raw_buffer); - if (lvalp != NULL) - *lvalp = lval_register; - if (addrp != NULL) - *addrp = REGISTER_BYTE (regnum); - return; - } - - addr = frame->frame + (regnum - LR0_REGNUM) * 4; - if (raw_buffer != NULL) - read_register_stack (addr, raw_buffer, &addr, &lval); - if (lvalp != NULL) - *lvalp = lval; - if (addrp != NULL) - *addrp = addr; -} - - -/* Discard from the stack the innermost frame, - restoring all saved registers. */ - -void -pop_frame (void) -{ - struct frame_info *frame = get_current_frame (); - CORE_ADDR rfb = read_register (RFB_REGNUM); - CORE_ADDR gr1 = frame->frame + frame->rsize; - CORE_ADDR lr1; - CORE_ADDR original_lr0; - int must_fix_lr0 = 0; - int i; - - /* If popping a dummy frame, need to restore registers. */ - if (PC_IN_CALL_DUMMY (read_register (PC_REGNUM), - read_register (SP_REGNUM), - FRAME_FP (frame))) - { - int lrnum = LR0_REGNUM + DUMMY_ARG / 4; - for (i = 0; i < DUMMY_SAVE_SR128; ++i) - write_register (SR_REGNUM (i + 128), read_register (lrnum++)); - for (i = 0; i < DUMMY_SAVE_SR160; ++i) - write_register (SR_REGNUM (i + 160), read_register (lrnum++)); - for (i = 0; i < DUMMY_SAVE_GREGS; ++i) - write_register (RETURN_REGNUM + i, read_register (lrnum++)); - /* Restore the PCs and prepare to restore LR0. */ - write_register (PC_REGNUM, read_register (lrnum++)); - write_register (NPC_REGNUM, read_register (lrnum++)); - write_register (PC2_REGNUM, read_register (lrnum++)); - original_lr0 = read_register (lrnum++); - must_fix_lr0 = 1; - } - - /* Restore the memory stack pointer. */ - write_register (MSP_REGNUM, frame->saved_msp); - /* Restore the register stack pointer. */ - write_register (GR1_REGNUM, gr1); - - /* If we popped a dummy frame, restore lr0 now that gr1 has been restored. */ - if (must_fix_lr0) - write_register (LR0_REGNUM, original_lr0); - - /* Check whether we need to fill registers. */ - lr1 = read_register (LR0_REGNUM + 1); - if (lr1 > rfb) - { - /* Fill. */ - int num_bytes = lr1 - rfb; - int i; - long word; - - write_register (RAB_REGNUM, read_register (RAB_REGNUM) + num_bytes); - write_register (RFB_REGNUM, lr1); - for (i = 0; i < num_bytes; i += 4) - { - /* Note: word is in host byte order. */ - word = read_memory_integer (rfb + i, 4); - write_register (LR0_REGNUM + ((rfb - gr1) % 0x80) + i / 4, word); - } - } - flush_cached_frames (); -} - -/* Push an empty stack frame, to record the current PC, etc. */ - -void -push_dummy_frame (void) -{ - long w; - CORE_ADDR rab, gr1; - CORE_ADDR msp = read_register (MSP_REGNUM); - int lrnum, i; - CORE_ADDR original_lr0; - - /* Read original lr0 before changing gr1. This order isn't really needed - since GDB happens to have a snapshot of all the regs and doesn't toss - it when gr1 is changed. But it's The Right Thing To Do. */ - original_lr0 = read_register (LR0_REGNUM); - - /* Allocate the new frame. */ - gr1 = read_register (GR1_REGNUM) - DUMMY_FRAME_RSIZE; - write_register (GR1_REGNUM, gr1); - -#ifdef VXWORKS_TARGET - /* We force re-reading all registers to get the new local registers set - after gr1 has been modified. This fix is due to the lack of single - register read/write operation in the RPC interface between VxGDB and - VxWorks. This really must be changed ! */ - - vx_read_register (-1); - -#endif /* VXWORK_TARGET */ - - rab = read_register (RAB_REGNUM); - if (gr1 < rab) - { - /* We need to spill registers. */ - int num_bytes = rab - gr1; - CORE_ADDR rfb = read_register (RFB_REGNUM); - int i; - long word; - - write_register (RFB_REGNUM, rfb - num_bytes); - write_register (RAB_REGNUM, gr1); - for (i = 0; i < num_bytes; i += 4) - { - /* Note: word is in target byte order. */ - read_register_gen (LR0_REGNUM + i / 4, (char *) &word); - write_memory (rfb - num_bytes + i, (char *) &word, 4); - } - } - - /* There are no arguments in to the dummy frame, so we don't need - more than rsize plus the return address and lr1. */ - write_register (LR0_REGNUM + 1, gr1 + DUMMY_FRAME_RSIZE + 2 * 4); - - /* Set the memory frame pointer. */ - write_register (LR0_REGNUM + DUMMY_FRAME_RSIZE / 4 - 1, msp); - - /* Allocate arg_slop. */ - write_register (MSP_REGNUM, msp - 16 * 4); - - /* Save registers. */ - lrnum = LR0_REGNUM + DUMMY_ARG / 4; - for (i = 0; i < DUMMY_SAVE_SR128; ++i) - write_register (lrnum++, read_register (SR_REGNUM (i + 128))); - for (i = 0; i < DUMMY_SAVE_SR160; ++i) - write_register (lrnum++, read_register (SR_REGNUM (i + 160))); - for (i = 0; i < DUMMY_SAVE_GREGS; ++i) - write_register (lrnum++, read_register (RETURN_REGNUM + i)); - /* Save the PCs and LR0. */ - write_register (lrnum++, read_register (PC_REGNUM)); - write_register (lrnum++, read_register (NPC_REGNUM)); - write_register (lrnum++, read_register (PC2_REGNUM)); - - /* Why are we saving LR0? What would clobber it? (the dummy frame should - be below it on the register stack, no?). */ - write_register (lrnum++, original_lr0); -} - - - -/* - This routine takes three arguments and makes the cached frames look - as if these arguments defined a frame on the cache. This allows the - rest of `info frame' to extract the important arguments without much - difficulty. Since an individual frame on the 29K is determined by - three values (FP, PC, and MSP), we really need all three to do a - good job. */ - -struct frame_info * -setup_arbitrary_frame (int argc, CORE_ADDR *argv) -{ - struct frame_info *frame; - - if (argc != 3) - error ("AMD 29k frame specifications require three arguments: rsp pc msp"); - - frame = create_new_frame (argv[0], argv[1]); - - if (!frame) - internal_error (__FILE__, __LINE__, - "create_new_frame returned invalid frame id"); - - /* Creating a new frame munges the `frame' value from the current - GR1, so we restore it again here. FIXME, untangle all this - 29K frame stuff... */ - frame->frame = argv[0]; - - /* Our MSP is in argv[2]. It'd be intelligent if we could just - save this value in the FRAME. But the way it's set up (FIXME), - we must save our caller's MSP. We compute that by adding our - memory stack frame size to our MSP. */ - frame->saved_msp = argv[2] + frame->msize; - - return frame; -} - -int -gdb_print_insn_a29k (bfd_vma memaddr, disassemble_info *info) -{ - if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) - return print_insn_big_a29k (memaddr, info); - else - return print_insn_little_a29k (memaddr, info); -} - -enum a29k_processor_types processor_type = a29k_unknown; - -void -a29k_get_processor_type (void) -{ - unsigned int cfg_reg = (unsigned int) read_register (CFG_REGNUM); - - /* Most of these don't have freeze mode. */ - processor_type = a29k_no_freeze_mode; - - switch ((cfg_reg >> 28) & 0xf) - { - case 0: - fprintf_filtered (gdb_stderr, "Remote debugging an Am29000"); - break; - case 1: - fprintf_filtered (gdb_stderr, "Remote debugging an Am29005"); - break; - case 2: - fprintf_filtered (gdb_stderr, "Remote debugging an Am29050"); - processor_type = a29k_freeze_mode; - break; - case 3: - fprintf_filtered (gdb_stderr, "Remote debugging an Am29035"); - break; - case 4: - fprintf_filtered (gdb_stderr, "Remote debugging an Am29030"); - break; - case 5: - fprintf_filtered (gdb_stderr, "Remote debugging an Am2920*"); - break; - case 6: - fprintf_filtered (gdb_stderr, "Remote debugging an Am2924*"); - break; - case 7: - fprintf_filtered (gdb_stderr, "Remote debugging an Am29040"); - break; - default: - fprintf_filtered (gdb_stderr, "Remote debugging an unknown Am29k\n"); - /* Don't bother to print the revision. */ - return; - } - fprintf_filtered (gdb_stderr, " revision %c\n", 'A' + ((cfg_reg >> 24) & 0x0f)); -} - -#ifdef GET_LONGJMP_TARGET -/* Figure out where the longjmp will land. We expect that we have just entered - longjmp and haven't yet setup the stack frame, so the args are still in the - output regs. lr2 (LR2_REGNUM) points at the jmp_buf structure from which we - extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. - This routine returns true on success */ - -int -get_longjmp_target (CORE_ADDR *pc) -{ - CORE_ADDR jb_addr; - char buf[sizeof (CORE_ADDR)]; - - jb_addr = read_register (LR2_REGNUM); - - if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, (char *) buf, - sizeof (CORE_ADDR))) - return 0; - - *pc = extract_address ((PTR) buf, sizeof (CORE_ADDR)); - return 1; -} -#endif /* GET_LONGJMP_TARGET */ - -void -_initialize_a29k_tdep (void) -{ - extern CORE_ADDR text_end; - - tm_print_insn = gdb_print_insn_a29k; - - /* FIXME, there should be a way to make a CORE_ADDR variable settable. */ - add_show_from_set - (add_set_cmd ("rstack_high_address", class_support, var_uinteger, - (char *) &rstack_high_address, - "Set top address in memory of the register stack.\n\ -Attempts to access registers saved above this address will be ignored\n\ -or will produce the value -1.", &setlist), - &showlist); - - /* FIXME, there should be a way to make a CORE_ADDR variable settable. */ - add_show_from_set - (add_set_cmd ("call_scratch_address", class_support, var_uinteger, - (char *) &text_end, - "Set address in memory where small amounts of RAM can be used\n\ -when making function calls into the inferior.", &setlist), - &showlist); -} +/* OBSOLETE /* Target-machine dependent code for the AMD 29000 */ +/* OBSOLETE Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, */ +/* OBSOLETE 2001 */ +/* OBSOLETE Free Software Foundation, Inc. */ +/* OBSOLETE Contributed by Cygnus Support. Written by Jim Kingdon. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ +/* OBSOLETE Boston, MA 02111-1307, USA. */ */ +/* OBSOLETE */ +/* OBSOLETE #include "defs.h" */ +/* OBSOLETE #include "gdbcore.h" */ +/* OBSOLETE #include "frame.h" */ +/* OBSOLETE #include "value.h" */ +/* OBSOLETE #include "symtab.h" */ +/* OBSOLETE #include "inferior.h" */ +/* OBSOLETE #include "gdbcmd.h" */ +/* OBSOLETE #include "regcache.h" */ +/* OBSOLETE */ +/* OBSOLETE /* If all these bits in an instruction word are zero, it is a "tag word" */ +/* OBSOLETE which precedes a function entry point and gives stack traceback info. */ +/* OBSOLETE This used to be defined as 0xff000000, but that treated 0x00000deb as */ +/* OBSOLETE a tag word, while it is really used as a breakpoint. */ */ +/* OBSOLETE #define TAGWORD_ZERO_MASK 0xff00f800 */ +/* OBSOLETE */ +/* OBSOLETE extern CORE_ADDR text_start; /* FIXME, kludge... */ */ +/* OBSOLETE */ +/* OBSOLETE /* The user-settable top of the register stack in virtual memory. We */ +/* OBSOLETE won't attempt to access any stored registers above this address, if set */ +/* OBSOLETE nonzero. */ */ +/* OBSOLETE */ +/* OBSOLETE static CORE_ADDR rstack_high_address = UINT_MAX; */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Should call_function allocate stack space for a struct return? */ */ +/* OBSOLETE /* On the a29k objects over 16 words require the caller to allocate space. */ */ +/* OBSOLETE int */ +/* OBSOLETE a29k_use_struct_convention (int gcc_p, struct type *type) */ +/* OBSOLETE { */ +/* OBSOLETE return (TYPE_LENGTH (type) > 16 * 4); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Structure to hold cached info about function prologues. */ */ +/* OBSOLETE */ +/* OBSOLETE struct prologue_info */ +/* OBSOLETE { */ +/* OBSOLETE CORE_ADDR pc; /* First addr after fn prologue */ */ +/* OBSOLETE unsigned rsize, msize; /* register stack frame size, mem stack ditto */ */ +/* OBSOLETE unsigned mfp_used:1; /* memory frame pointer used */ */ +/* OBSOLETE unsigned rsize_valid:1; /* Validity bits for the above */ */ +/* OBSOLETE unsigned msize_valid:1; */ +/* OBSOLETE unsigned mfp_valid:1; */ +/* OBSOLETE }; */ +/* OBSOLETE */ +/* OBSOLETE /* Examine the prologue of a function which starts at PC. Return */ +/* OBSOLETE the first addess past the prologue. If MSIZE is non-NULL, then */ +/* OBSOLETE set *MSIZE to the memory stack frame size. If RSIZE is non-NULL, */ +/* OBSOLETE then set *RSIZE to the register stack frame size (not including */ +/* OBSOLETE incoming arguments and the return address & frame pointer stored */ +/* OBSOLETE with them). If no prologue is found, *RSIZE is set to zero. */ +/* OBSOLETE If no prologue is found, or a prologue which doesn't involve */ +/* OBSOLETE allocating a memory stack frame, then set *MSIZE to zero. */ +/* OBSOLETE */ +/* OBSOLETE Note that both msize and rsize are in bytes. This is not consistent */ +/* OBSOLETE with the _User's Manual_ with respect to rsize, but it is much more */ +/* OBSOLETE convenient. */ +/* OBSOLETE */ +/* OBSOLETE If MFP_USED is non-NULL, *MFP_USED is set to nonzero if a memory */ +/* OBSOLETE frame pointer is being used. */ */ +/* OBSOLETE */ +/* OBSOLETE CORE_ADDR */ +/* OBSOLETE examine_prologue (CORE_ADDR pc, unsigned *rsize, unsigned *msize, int *mfp_used) */ +/* OBSOLETE { */ +/* OBSOLETE long insn; */ +/* OBSOLETE CORE_ADDR p = pc; */ +/* OBSOLETE struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); */ +/* OBSOLETE struct prologue_info *mi = 0; */ +/* OBSOLETE */ +/* OBSOLETE if (msymbol != NULL) */ +/* OBSOLETE mi = (struct prologue_info *) msymbol->info; */ +/* OBSOLETE */ +/* OBSOLETE if (mi != 0) */ +/* OBSOLETE { */ +/* OBSOLETE int valid = 1; */ +/* OBSOLETE if (rsize != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE *rsize = mi->rsize; */ +/* OBSOLETE valid &= mi->rsize_valid; */ +/* OBSOLETE } */ +/* OBSOLETE if (msize != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE *msize = mi->msize; */ +/* OBSOLETE valid &= mi->msize_valid; */ +/* OBSOLETE } */ +/* OBSOLETE if (mfp_used != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE *mfp_used = mi->mfp_used; */ +/* OBSOLETE valid &= mi->mfp_valid; */ +/* OBSOLETE } */ +/* OBSOLETE if (valid) */ +/* OBSOLETE return mi->pc; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE if (rsize != NULL) */ +/* OBSOLETE *rsize = 0; */ +/* OBSOLETE if (msize != NULL) */ +/* OBSOLETE *msize = 0; */ +/* OBSOLETE if (mfp_used != NULL) */ +/* OBSOLETE *mfp_used = 0; */ +/* OBSOLETE */ +/* OBSOLETE /* Prologue must start with subtracting a constant from gr1. */ +/* OBSOLETE Normally this is sub gr1,gr1,. */ */ +/* OBSOLETE insn = read_memory_integer (p, 4); */ +/* OBSOLETE if ((insn & 0xffffff00) != 0x25010100) */ +/* OBSOLETE { */ +/* OBSOLETE /* If the frame is large, instead of a single instruction it */ +/* OBSOLETE might be a pair of instructions: */ +/* OBSOLETE const , */ +/* OBSOLETE sub gr1,gr1, */ +/* OBSOLETE */ */ +/* OBSOLETE int reg; */ +/* OBSOLETE /* Possible value for rsize. */ */ +/* OBSOLETE unsigned int rsize0; */ +/* OBSOLETE */ +/* OBSOLETE if ((insn & 0xff000000) != 0x03000000) */ +/* OBSOLETE { */ +/* OBSOLETE p = pc; */ +/* OBSOLETE goto done; */ +/* OBSOLETE } */ +/* OBSOLETE reg = (insn >> 8) & 0xff; */ +/* OBSOLETE rsize0 = (((insn >> 8) & 0xff00) | (insn & 0xff)); */ +/* OBSOLETE p += 4; */ +/* OBSOLETE insn = read_memory_integer (p, 4); */ +/* OBSOLETE if ((insn & 0xffffff00) != 0x24010100 */ +/* OBSOLETE || (insn & 0xff) != reg) */ +/* OBSOLETE { */ +/* OBSOLETE p = pc; */ +/* OBSOLETE goto done; */ +/* OBSOLETE } */ +/* OBSOLETE if (rsize != NULL) */ +/* OBSOLETE *rsize = rsize0; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE if (rsize != NULL) */ +/* OBSOLETE *rsize = (insn & 0xff); */ +/* OBSOLETE } */ +/* OBSOLETE p += 4; */ +/* OBSOLETE */ +/* OBSOLETE /* Next instruction ought to be asgeu V_SPILL,gr1,rab. */ +/* OBSOLETE * We don't check the vector number to allow for kernel debugging. The */ +/* OBSOLETE * kernel will use a different trap number. */ +/* OBSOLETE * If this insn is missing, we just keep going; Metaware R2.3u compiler */ +/* OBSOLETE * generates prologue that intermixes initializations and puts the asgeu */ +/* OBSOLETE * way down. */ +/* OBSOLETE */ */ +/* OBSOLETE insn = read_memory_integer (p, 4); */ +/* OBSOLETE if ((insn & 0xff00ffff) == (0x5e000100 | RAB_HW_REGNUM)) */ +/* OBSOLETE { */ +/* OBSOLETE p += 4; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Next instruction usually sets the frame pointer (lr1) by adding */ +/* OBSOLETE from gr1. However, this can (and high C does) be */ +/* OBSOLETE deferred until anytime before the first function call. So it is */ +/* OBSOLETE OK if we don't see anything which sets lr1. */ +/* OBSOLETE To allow for alternate register sets (gcc -mkernel-registers) the msp */ +/* OBSOLETE register number is a compile time constant. */ */ +/* OBSOLETE */ +/* OBSOLETE /* Normally this is just add lr1,gr1,. */ */ +/* OBSOLETE insn = read_memory_integer (p, 4); */ +/* OBSOLETE if ((insn & 0xffffff00) == 0x15810100) */ +/* OBSOLETE p += 4; */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE /* However, for large frames it can be */ +/* OBSOLETE const , */ +/* OBSOLETE add lr1,gr1, */ +/* OBSOLETE */ */ +/* OBSOLETE int reg; */ +/* OBSOLETE CORE_ADDR q; */ +/* OBSOLETE */ +/* OBSOLETE if ((insn & 0xff000000) == 0x03000000) */ +/* OBSOLETE { */ +/* OBSOLETE reg = (insn >> 8) & 0xff; */ +/* OBSOLETE q = p + 4; */ +/* OBSOLETE insn = read_memory_integer (q, 4); */ +/* OBSOLETE if ((insn & 0xffffff00) == 0x14810100 */ +/* OBSOLETE && (insn & 0xff) == reg) */ +/* OBSOLETE p = q; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Next comes "add lr{},msp,0", but only if a memory */ +/* OBSOLETE frame pointer is in use. We just check for add lr,msp,0; */ +/* OBSOLETE we don't check this rsize against the first instruction, and */ +/* OBSOLETE we don't check that the trace-back tag indicates a memory frame pointer */ +/* OBSOLETE is in use. */ +/* OBSOLETE To allow for alternate register sets (gcc -mkernel-registers) the msp */ +/* OBSOLETE register number is a compile time constant. */ +/* OBSOLETE */ +/* OBSOLETE The recommended instruction is actually "sll lr,msp,0". */ +/* OBSOLETE We check for that, too. Originally Jim Kingdon's code seemed */ +/* OBSOLETE to be looking for a "sub" instruction here, but the mask was set */ +/* OBSOLETE up to lose all the time. */ */ +/* OBSOLETE insn = read_memory_integer (p, 4); */ +/* OBSOLETE if (((insn & 0xff80ffff) == (0x15800000 | (MSP_HW_REGNUM << 8))) /* add */ */ +/* OBSOLETE || ((insn & 0xff80ffff) == (0x81800000 | (MSP_HW_REGNUM << 8)))) /* sll */ */ +/* OBSOLETE { */ +/* OBSOLETE p += 4; */ +/* OBSOLETE if (mfp_used != NULL) */ +/* OBSOLETE *mfp_used = 1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Next comes a subtraction from msp to allocate a memory frame, */ +/* OBSOLETE but only if a memory frame is */ +/* OBSOLETE being used. We don't check msize against the trace-back tag. */ +/* OBSOLETE */ +/* OBSOLETE To allow for alternate register sets (gcc -mkernel-registers) the msp */ +/* OBSOLETE register number is a compile time constant. */ +/* OBSOLETE */ +/* OBSOLETE Normally this is just */ +/* OBSOLETE sub msp,msp, */ +/* OBSOLETE */ */ +/* OBSOLETE insn = read_memory_integer (p, 4); */ +/* OBSOLETE if ((insn & 0xffffff00) == */ +/* OBSOLETE (0x25000000 | (MSP_HW_REGNUM << 16) | (MSP_HW_REGNUM << 8))) */ +/* OBSOLETE { */ +/* OBSOLETE p += 4; */ +/* OBSOLETE if (msize != NULL) */ +/* OBSOLETE *msize = insn & 0xff; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE /* For large frames, instead of a single instruction it might */ +/* OBSOLETE be */ +/* OBSOLETE */ +/* OBSOLETE const , */ +/* OBSOLETE consth , ; optional */ +/* OBSOLETE sub msp,msp, */ +/* OBSOLETE */ */ +/* OBSOLETE int reg; */ +/* OBSOLETE unsigned msize0; */ +/* OBSOLETE CORE_ADDR q = p; */ +/* OBSOLETE */ +/* OBSOLETE if ((insn & 0xff000000) == 0x03000000) */ +/* OBSOLETE { */ +/* OBSOLETE reg = (insn >> 8) & 0xff; */ +/* OBSOLETE msize0 = ((insn >> 8) & 0xff00) | (insn & 0xff); */ +/* OBSOLETE q += 4; */ +/* OBSOLETE insn = read_memory_integer (q, 4); */ +/* OBSOLETE /* Check for consth. */ */ +/* OBSOLETE if ((insn & 0xff000000) == 0x02000000 */ +/* OBSOLETE && (insn & 0x0000ff00) == reg) */ +/* OBSOLETE { */ +/* OBSOLETE msize0 |= (insn << 8) & 0xff000000; */ +/* OBSOLETE msize0 |= (insn << 16) & 0x00ff0000; */ +/* OBSOLETE q += 4; */ +/* OBSOLETE insn = read_memory_integer (q, 4); */ +/* OBSOLETE } */ +/* OBSOLETE /* Check for sub msp,msp,. */ */ +/* OBSOLETE if ((insn & 0xffffff00) == */ +/* OBSOLETE (0x24000000 | (MSP_HW_REGNUM << 16) | (MSP_HW_REGNUM << 8)) */ +/* OBSOLETE && (insn & 0xff) == reg) */ +/* OBSOLETE { */ +/* OBSOLETE p = q + 4; */ +/* OBSOLETE if (msize != NULL) */ +/* OBSOLETE *msize = msize0; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Next instruction might be asgeu V_SPILL,gr1,rab. */ +/* OBSOLETE * We don't check the vector number to allow for kernel debugging. The */ +/* OBSOLETE * kernel will use a different trap number. */ +/* OBSOLETE * Metaware R2.3u compiler */ +/* OBSOLETE * generates prologue that intermixes initializations and puts the asgeu */ +/* OBSOLETE * way down after everything else. */ +/* OBSOLETE */ */ +/* OBSOLETE insn = read_memory_integer (p, 4); */ +/* OBSOLETE if ((insn & 0xff00ffff) == (0x5e000100 | RAB_HW_REGNUM)) */ +/* OBSOLETE { */ +/* OBSOLETE p += 4; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE done: */ +/* OBSOLETE if (msymbol != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE if (mi == 0) */ +/* OBSOLETE { */ +/* OBSOLETE /* Add a new cache entry. */ */ +/* OBSOLETE mi = (struct prologue_info *) xmalloc (sizeof (struct prologue_info)); */ +/* OBSOLETE msymbol->info = (char *) mi; */ +/* OBSOLETE mi->rsize_valid = 0; */ +/* OBSOLETE mi->msize_valid = 0; */ +/* OBSOLETE mi->mfp_valid = 0; */ +/* OBSOLETE } */ +/* OBSOLETE /* else, cache entry exists, but info is incomplete. */ */ +/* OBSOLETE mi->pc = p; */ +/* OBSOLETE if (rsize != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE mi->rsize = *rsize; */ +/* OBSOLETE mi->rsize_valid = 1; */ +/* OBSOLETE } */ +/* OBSOLETE if (msize != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE mi->msize = *msize; */ +/* OBSOLETE mi->msize_valid = 1; */ +/* OBSOLETE } */ +/* OBSOLETE if (mfp_used != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE mi->mfp_used = *mfp_used; */ +/* OBSOLETE mi->mfp_valid = 1; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE return p; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Advance PC across any function entry prologue instructions */ +/* OBSOLETE to reach some "real" code. */ */ +/* OBSOLETE */ +/* OBSOLETE CORE_ADDR */ +/* OBSOLETE a29k_skip_prologue (CORE_ADDR pc) */ +/* OBSOLETE { */ +/* OBSOLETE return examine_prologue (pc, NULL, NULL, NULL); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE * Examine the one or two word tag at the beginning of a function. */ +/* OBSOLETE * The tag word is expect to be at 'p', if it is not there, we fail */ +/* OBSOLETE * by returning 0. The documentation for the tag word was taken from */ +/* OBSOLETE * page 7-15 of the 29050 User's Manual. We are assuming that the */ +/* OBSOLETE * m bit is in bit 22 of the tag word, which seems to be the agreed upon */ +/* OBSOLETE * convention today (1/15/92). */ +/* OBSOLETE * msize is return in bytes. */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE static int /* 0/1 - failure/success of finding the tag word */ */ +/* OBSOLETE examine_tag (CORE_ADDR p, int *is_trans, int *argcount, unsigned *msize, */ +/* OBSOLETE int *mfp_used) */ +/* OBSOLETE { */ +/* OBSOLETE unsigned int tag1, tag2; */ +/* OBSOLETE */ +/* OBSOLETE tag1 = read_memory_integer (p, 4); */ +/* OBSOLETE if ((tag1 & TAGWORD_ZERO_MASK) != 0) /* Not a tag word */ */ +/* OBSOLETE return 0; */ +/* OBSOLETE if (tag1 & (1 << 23)) /* A two word tag */ */ +/* OBSOLETE { */ +/* OBSOLETE tag2 = read_memory_integer (p - 4, 4); */ +/* OBSOLETE if (msize) */ +/* OBSOLETE *msize = tag2 * 2; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE /* A one word tag */ */ +/* OBSOLETE { */ +/* OBSOLETE if (msize) */ +/* OBSOLETE *msize = tag1 & 0x7ff; */ +/* OBSOLETE } */ +/* OBSOLETE if (is_trans) */ +/* OBSOLETE *is_trans = ((tag1 & (1 << 21)) ? 1 : 0); */ +/* OBSOLETE /* Note that this includes the frame pointer and the return address */ +/* OBSOLETE register, so the actual number of registers of arguments is two less. */ +/* OBSOLETE argcount can be zero, however, sometimes, for strange assembler */ +/* OBSOLETE routines. */ */ +/* OBSOLETE if (argcount) */ +/* OBSOLETE *argcount = (tag1 >> 16) & 0x1f; */ +/* OBSOLETE if (mfp_used) */ +/* OBSOLETE *mfp_used = ((tag1 & (1 << 22)) ? 1 : 0); */ +/* OBSOLETE return 1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Initialize the frame. In addition to setting "extra" frame info, */ +/* OBSOLETE we also set ->frame because we use it in a nonstandard way, and ->pc */ +/* OBSOLETE because we need to know it to get the other stuff. See the diagram */ +/* OBSOLETE of stacks and the frame cache in tm-a29k.h for more detail. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE init_frame_info (int innermost_frame, struct frame_info *frame) */ +/* OBSOLETE { */ +/* OBSOLETE CORE_ADDR p; */ +/* OBSOLETE long insn; */ +/* OBSOLETE unsigned rsize; */ +/* OBSOLETE unsigned msize; */ +/* OBSOLETE int mfp_used, trans; */ +/* OBSOLETE struct symbol *func; */ +/* OBSOLETE */ +/* OBSOLETE p = frame->pc; */ +/* OBSOLETE */ +/* OBSOLETE if (innermost_frame) */ +/* OBSOLETE frame->frame = read_register (GR1_REGNUM); */ +/* OBSOLETE else */ +/* OBSOLETE frame->frame = frame->next->frame + frame->next->rsize; */ +/* OBSOLETE */ +/* OBSOLETE #if 0 /* CALL_DUMMY_LOCATION == ON_STACK */ */ +/* OBSOLETE This wont work; */ +/* OBSOLETE #else */ +/* OBSOLETE if (PC_IN_CALL_DUMMY (p, 0, 0)) */ +/* OBSOLETE #endif */ +/* OBSOLETE { */ +/* OBSOLETE frame->rsize = DUMMY_FRAME_RSIZE; */ +/* OBSOLETE /* This doesn't matter since we never try to get locals or args */ +/* OBSOLETE from a dummy frame. */ */ +/* OBSOLETE frame->msize = 0; */ +/* OBSOLETE /* Dummy frames always use a memory frame pointer. */ */ +/* OBSOLETE frame->saved_msp = */ +/* OBSOLETE read_register_stack_integer (frame->frame + DUMMY_FRAME_RSIZE - 4, 4); */ +/* OBSOLETE frame->flags |= (TRANSPARENT_FRAME | MFP_USED); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE func = find_pc_function (p); */ +/* OBSOLETE if (func != NULL) */ +/* OBSOLETE p = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE /* Search backward to find the trace-back tag. However, */ +/* OBSOLETE do not trace back beyond the start of the text segment */ +/* OBSOLETE (just as a sanity check to avoid going into never-never land). */ */ +/* OBSOLETE #if 1 */ +/* OBSOLETE while (p >= text_start */ +/* OBSOLETE && ((insn = read_memory_integer (p, 4)) & TAGWORD_ZERO_MASK) != 0) */ +/* OBSOLETE p -= 4; */ +/* OBSOLETE #else /* 0 */ */ +/* OBSOLETE char pat[4] = */ +/* OBSOLETE {0, 0, 0, 0}; */ +/* OBSOLETE char mask[4]; */ +/* OBSOLETE char insn_raw[4]; */ +/* OBSOLETE store_unsigned_integer (mask, 4, TAGWORD_ZERO_MASK); */ +/* OBSOLETE /* Enable this once target_search is enabled and tested. */ */ +/* OBSOLETE target_search (4, pat, mask, p, -4, text_start, p + 1, &p, &insn_raw); */ +/* OBSOLETE insn = extract_unsigned_integer (insn_raw, 4); */ +/* OBSOLETE #endif /* 0 */ */ +/* OBSOLETE */ +/* OBSOLETE if (p < text_start) */ +/* OBSOLETE { */ +/* OBSOLETE /* Couldn't find the trace-back tag. */ +/* OBSOLETE Something strange is going on. */ */ +/* OBSOLETE frame->saved_msp = 0; */ +/* OBSOLETE frame->rsize = 0; */ +/* OBSOLETE frame->msize = 0; */ +/* OBSOLETE frame->flags = TRANSPARENT_FRAME; */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE /* Advance to the first word of the function, i.e. the word */ +/* OBSOLETE after the trace-back tag. */ */ +/* OBSOLETE p += 4; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* We've found the start of the function. */ +/* OBSOLETE Try looking for a tag word that indicates whether there is a */ +/* OBSOLETE memory frame pointer and what the memory stack allocation is. */ +/* OBSOLETE If one doesn't exist, try using a more exhaustive search of */ +/* OBSOLETE the prologue. */ */ +/* OBSOLETE */ +/* OBSOLETE if (examine_tag (p - 4, &trans, (int *) NULL, &msize, &mfp_used)) /* Found good tag */ */ +/* OBSOLETE examine_prologue (p, &rsize, 0, 0); */ +/* OBSOLETE else /* No tag try prologue */ */ +/* OBSOLETE examine_prologue (p, &rsize, &msize, &mfp_used); */ +/* OBSOLETE */ +/* OBSOLETE frame->rsize = rsize; */ +/* OBSOLETE frame->msize = msize; */ +/* OBSOLETE frame->flags = 0; */ +/* OBSOLETE if (mfp_used) */ +/* OBSOLETE frame->flags |= MFP_USED; */ +/* OBSOLETE if (trans) */ +/* OBSOLETE frame->flags |= TRANSPARENT_FRAME; */ +/* OBSOLETE if (innermost_frame) */ +/* OBSOLETE { */ +/* OBSOLETE frame->saved_msp = read_register (MSP_REGNUM) + msize; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE if (mfp_used) */ +/* OBSOLETE frame->saved_msp = */ +/* OBSOLETE read_register_stack_integer (frame->frame + rsize - 4, 4); */ +/* OBSOLETE else */ +/* OBSOLETE frame->saved_msp = frame->next->saved_msp + msize; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE init_extra_frame_info (struct frame_info *frame) */ +/* OBSOLETE { */ +/* OBSOLETE if (frame->next == 0) */ +/* OBSOLETE /* Assume innermost frame. May produce strange results for "info frame" */ +/* OBSOLETE but there isn't any way to tell the difference. */ */ +/* OBSOLETE init_frame_info (1, frame); */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE /* We're in get_prev_frame. */ +/* OBSOLETE Take care of everything in init_frame_pc. */ */ +/* OBSOLETE ; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE init_frame_pc (int fromleaf, struct frame_info *frame) */ +/* OBSOLETE { */ +/* OBSOLETE frame->pc = (fromleaf ? SAVED_PC_AFTER_CALL (frame->next) : */ +/* OBSOLETE frame->next ? FRAME_SAVED_PC (frame->next) : read_pc ()); */ +/* OBSOLETE init_frame_info (fromleaf, frame); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Local variables (i.e. LOC_LOCAL) are on the memory stack, with their */ +/* OBSOLETE offsets being relative to the memory stack pointer (high C) or */ +/* OBSOLETE saved_msp (gcc). */ */ +/* OBSOLETE */ +/* OBSOLETE CORE_ADDR */ +/* OBSOLETE frame_locals_address (struct frame_info *fi) */ +/* OBSOLETE { */ +/* OBSOLETE if (fi->flags & MFP_USED) */ +/* OBSOLETE return fi->saved_msp; */ +/* OBSOLETE else */ +/* OBSOLETE return fi->saved_msp - fi->msize; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Routines for reading the register stack. The caller gets to treat */ +/* OBSOLETE the register stack as a uniform stack in memory, from address $gr1 */ +/* OBSOLETE straight through $rfb and beyond. */ */ +/* OBSOLETE */ +/* OBSOLETE /* Analogous to read_memory except the length is understood to be 4. */ +/* OBSOLETE Also, myaddr can be NULL (meaning don't bother to read), and */ +/* OBSOLETE if actual_mem_addr is non-NULL, store there the address that it */ +/* OBSOLETE was fetched from (or if from a register the offset within */ +/* OBSOLETE registers). Set *LVAL to lval_memory or lval_register, depending */ +/* OBSOLETE on where it came from. The contents written into MYADDR are in */ +/* OBSOLETE target format. */ */ +/* OBSOLETE void */ +/* OBSOLETE read_register_stack (CORE_ADDR memaddr, char *myaddr, */ +/* OBSOLETE CORE_ADDR *actual_mem_addr, enum lval_type *lval) */ +/* OBSOLETE { */ +/* OBSOLETE long rfb = read_register (RFB_REGNUM); */ +/* OBSOLETE long rsp = read_register (RSP_REGNUM); */ +/* OBSOLETE */ +/* OBSOLETE /* If we don't do this 'info register' stops in the middle. */ */ +/* OBSOLETE if (memaddr >= rstack_high_address) */ +/* OBSOLETE { */ +/* OBSOLETE /* a bogus value */ */ +/* OBSOLETE static char val[] = */ +/* OBSOLETE {~0, ~0, ~0, ~0}; */ +/* OBSOLETE /* It's in a local register, but off the end of the stack. */ */ +/* OBSOLETE int regnum = (memaddr - rsp) / 4 + LR0_REGNUM; */ +/* OBSOLETE if (myaddr != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE /* Provide bogusness */ */ +/* OBSOLETE memcpy (myaddr, val, 4); */ +/* OBSOLETE } */ +/* OBSOLETE supply_register (regnum, val); /* More bogusness */ */ +/* OBSOLETE if (lval != NULL) */ +/* OBSOLETE *lval = lval_register; */ +/* OBSOLETE if (actual_mem_addr != NULL) */ +/* OBSOLETE *actual_mem_addr = REGISTER_BYTE (regnum); */ +/* OBSOLETE } */ +/* OBSOLETE /* If it's in the part of the register stack that's in real registers, */ +/* OBSOLETE get the value from the registers. If it's anywhere else in memory */ +/* OBSOLETE (e.g. in another thread's saved stack), skip this part and get */ +/* OBSOLETE it from real live memory. */ */ +/* OBSOLETE else if (memaddr < rfb && memaddr >= rsp) */ +/* OBSOLETE { */ +/* OBSOLETE /* It's in a register. */ */ +/* OBSOLETE int regnum = (memaddr - rsp) / 4 + LR0_REGNUM; */ +/* OBSOLETE if (regnum > LR0_REGNUM + 127) */ +/* OBSOLETE error ("Attempt to read register stack out of range."); */ +/* OBSOLETE if (myaddr != NULL) */ +/* OBSOLETE read_register_gen (regnum, myaddr); */ +/* OBSOLETE if (lval != NULL) */ +/* OBSOLETE *lval = lval_register; */ +/* OBSOLETE if (actual_mem_addr != NULL) */ +/* OBSOLETE *actual_mem_addr = REGISTER_BYTE (regnum); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE /* It's in the memory portion of the register stack. */ */ +/* OBSOLETE if (myaddr != NULL) */ +/* OBSOLETE read_memory (memaddr, myaddr, 4); */ +/* OBSOLETE if (lval != NULL) */ +/* OBSOLETE *lval = lval_memory; */ +/* OBSOLETE if (actual_mem_addr != NULL) */ +/* OBSOLETE *actual_mem_addr = memaddr; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Analogous to read_memory_integer */ +/* OBSOLETE except the length is understood to be 4. */ */ +/* OBSOLETE long */ +/* OBSOLETE read_register_stack_integer (CORE_ADDR memaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE char buf[4]; */ +/* OBSOLETE read_register_stack (memaddr, buf, NULL, NULL); */ +/* OBSOLETE return extract_signed_integer (buf, 4); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Copy 4 bytes from GDB memory at MYADDR into inferior memory */ +/* OBSOLETE at MEMADDR and put the actual address written into in */ +/* OBSOLETE *ACTUAL_MEM_ADDR. */ */ +/* OBSOLETE static void */ +/* OBSOLETE write_register_stack (CORE_ADDR memaddr, char *myaddr, */ +/* OBSOLETE CORE_ADDR *actual_mem_addr) */ +/* OBSOLETE { */ +/* OBSOLETE long rfb = read_register (RFB_REGNUM); */ +/* OBSOLETE long rsp = read_register (RSP_REGNUM); */ +/* OBSOLETE /* If we don't do this 'info register' stops in the middle. */ */ +/* OBSOLETE if (memaddr >= rstack_high_address) */ +/* OBSOLETE { */ +/* OBSOLETE /* It's in a register, but off the end of the stack. */ */ +/* OBSOLETE if (actual_mem_addr != NULL) */ +/* OBSOLETE *actual_mem_addr = 0; */ +/* OBSOLETE } */ +/* OBSOLETE else if (memaddr < rfb) */ +/* OBSOLETE { */ +/* OBSOLETE /* It's in a register. */ */ +/* OBSOLETE int regnum = (memaddr - rsp) / 4 + LR0_REGNUM; */ +/* OBSOLETE if (regnum < LR0_REGNUM || regnum > LR0_REGNUM + 127) */ +/* OBSOLETE error ("Attempt to read register stack out of range."); */ +/* OBSOLETE if (myaddr != NULL) */ +/* OBSOLETE write_register (regnum, *(long *) myaddr); */ +/* OBSOLETE if (actual_mem_addr != NULL) */ +/* OBSOLETE *actual_mem_addr = 0; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE /* It's in the memory portion of the register stack. */ */ +/* OBSOLETE if (myaddr != NULL) */ +/* OBSOLETE write_memory (memaddr, myaddr, 4); */ +/* OBSOLETE if (actual_mem_addr != NULL) */ +/* OBSOLETE *actual_mem_addr = memaddr; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Find register number REGNUM relative to FRAME and put its */ +/* OBSOLETE (raw) contents in *RAW_BUFFER. Set *OPTIMIZED if the variable */ +/* OBSOLETE was optimized out (and thus can't be fetched). If the variable */ +/* OBSOLETE was fetched from memory, set *ADDRP to where it was fetched from, */ +/* OBSOLETE otherwise it was fetched from a register. */ +/* OBSOLETE */ +/* OBSOLETE The argument RAW_BUFFER must point to aligned memory. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE a29k_get_saved_register (char *raw_buffer, int *optimized, CORE_ADDR *addrp, */ +/* OBSOLETE struct frame_info *frame, int regnum, */ +/* OBSOLETE enum lval_type *lvalp) */ +/* OBSOLETE { */ +/* OBSOLETE struct frame_info *fi; */ +/* OBSOLETE CORE_ADDR addr; */ +/* OBSOLETE enum lval_type lval; */ +/* OBSOLETE */ +/* OBSOLETE if (!target_has_registers) */ +/* OBSOLETE error ("No registers."); */ +/* OBSOLETE */ +/* OBSOLETE /* Probably now redundant with the target_has_registers check. */ */ +/* OBSOLETE if (frame == 0) */ +/* OBSOLETE return; */ +/* OBSOLETE */ +/* OBSOLETE /* Once something has a register number, it doesn't get optimized out. */ */ +/* OBSOLETE if (optimized != NULL) */ +/* OBSOLETE *optimized = 0; */ +/* OBSOLETE if (regnum == RSP_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE if (raw_buffer != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), frame->frame); */ +/* OBSOLETE } */ +/* OBSOLETE if (lvalp != NULL) */ +/* OBSOLETE *lvalp = not_lval; */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE else if (regnum == PC_REGNUM && frame->next != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE if (raw_buffer != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), frame->pc); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Not sure we have to do this. */ */ +/* OBSOLETE if (lvalp != NULL) */ +/* OBSOLETE *lvalp = not_lval; */ +/* OBSOLETE */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE else if (regnum == MSP_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE if (raw_buffer != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE if (frame->next != NULL) */ +/* OBSOLETE { */ +/* OBSOLETE store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), */ +/* OBSOLETE frame->next->saved_msp); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE read_register_gen (MSP_REGNUM, raw_buffer); */ +/* OBSOLETE } */ +/* OBSOLETE /* The value may have been computed, not fetched. */ */ +/* OBSOLETE if (lvalp != NULL) */ +/* OBSOLETE *lvalp = not_lval; */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE else if (regnum < LR0_REGNUM || regnum >= LR0_REGNUM + 128) */ +/* OBSOLETE { */ +/* OBSOLETE /* These registers are not saved over procedure calls, */ +/* OBSOLETE so just print out the current values. */ */ +/* OBSOLETE if (raw_buffer != NULL) */ +/* OBSOLETE read_register_gen (regnum, raw_buffer); */ +/* OBSOLETE if (lvalp != NULL) */ +/* OBSOLETE *lvalp = lval_register; */ +/* OBSOLETE if (addrp != NULL) */ +/* OBSOLETE *addrp = REGISTER_BYTE (regnum); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE addr = frame->frame + (regnum - LR0_REGNUM) * 4; */ +/* OBSOLETE if (raw_buffer != NULL) */ +/* OBSOLETE read_register_stack (addr, raw_buffer, &addr, &lval); */ +/* OBSOLETE if (lvalp != NULL) */ +/* OBSOLETE *lvalp = lval; */ +/* OBSOLETE if (addrp != NULL) */ +/* OBSOLETE *addrp = addr; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Discard from the stack the innermost frame, */ +/* OBSOLETE restoring all saved registers. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE pop_frame (void) */ +/* OBSOLETE { */ +/* OBSOLETE struct frame_info *frame = get_current_frame (); */ +/* OBSOLETE CORE_ADDR rfb = read_register (RFB_REGNUM); */ +/* OBSOLETE CORE_ADDR gr1 = frame->frame + frame->rsize; */ +/* OBSOLETE CORE_ADDR lr1; */ +/* OBSOLETE CORE_ADDR original_lr0; */ +/* OBSOLETE int must_fix_lr0 = 0; */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE /* If popping a dummy frame, need to restore registers. */ */ +/* OBSOLETE if (PC_IN_CALL_DUMMY (read_register (PC_REGNUM), */ +/* OBSOLETE read_register (SP_REGNUM), */ +/* OBSOLETE FRAME_FP (frame))) */ +/* OBSOLETE { */ +/* OBSOLETE int lrnum = LR0_REGNUM + DUMMY_ARG / 4; */ +/* OBSOLETE for (i = 0; i < DUMMY_SAVE_SR128; ++i) */ +/* OBSOLETE write_register (SR_REGNUM (i + 128), read_register (lrnum++)); */ +/* OBSOLETE for (i = 0; i < DUMMY_SAVE_SR160; ++i) */ +/* OBSOLETE write_register (SR_REGNUM (i + 160), read_register (lrnum++)); */ +/* OBSOLETE for (i = 0; i < DUMMY_SAVE_GREGS; ++i) */ +/* OBSOLETE write_register (RETURN_REGNUM + i, read_register (lrnum++)); */ +/* OBSOLETE /* Restore the PCs and prepare to restore LR0. */ */ +/* OBSOLETE write_register (PC_REGNUM, read_register (lrnum++)); */ +/* OBSOLETE write_register (NPC_REGNUM, read_register (lrnum++)); */ +/* OBSOLETE write_register (PC2_REGNUM, read_register (lrnum++)); */ +/* OBSOLETE original_lr0 = read_register (lrnum++); */ +/* OBSOLETE must_fix_lr0 = 1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Restore the memory stack pointer. */ */ +/* OBSOLETE write_register (MSP_REGNUM, frame->saved_msp); */ +/* OBSOLETE /* Restore the register stack pointer. */ */ +/* OBSOLETE write_register (GR1_REGNUM, gr1); */ +/* OBSOLETE */ +/* OBSOLETE /* If we popped a dummy frame, restore lr0 now that gr1 has been restored. */ */ +/* OBSOLETE if (must_fix_lr0) */ +/* OBSOLETE write_register (LR0_REGNUM, original_lr0); */ +/* OBSOLETE */ +/* OBSOLETE /* Check whether we need to fill registers. */ */ +/* OBSOLETE lr1 = read_register (LR0_REGNUM + 1); */ +/* OBSOLETE if (lr1 > rfb) */ +/* OBSOLETE { */ +/* OBSOLETE /* Fill. */ */ +/* OBSOLETE int num_bytes = lr1 - rfb; */ +/* OBSOLETE int i; */ +/* OBSOLETE long word; */ +/* OBSOLETE */ +/* OBSOLETE write_register (RAB_REGNUM, read_register (RAB_REGNUM) + num_bytes); */ +/* OBSOLETE write_register (RFB_REGNUM, lr1); */ +/* OBSOLETE for (i = 0; i < num_bytes; i += 4) */ +/* OBSOLETE { */ +/* OBSOLETE /* Note: word is in host byte order. */ */ +/* OBSOLETE word = read_memory_integer (rfb + i, 4); */ +/* OBSOLETE write_register (LR0_REGNUM + ((rfb - gr1) % 0x80) + i / 4, word); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE flush_cached_frames (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Push an empty stack frame, to record the current PC, etc. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE push_dummy_frame (void) */ +/* OBSOLETE { */ +/* OBSOLETE long w; */ +/* OBSOLETE CORE_ADDR rab, gr1; */ +/* OBSOLETE CORE_ADDR msp = read_register (MSP_REGNUM); */ +/* OBSOLETE int lrnum, i; */ +/* OBSOLETE CORE_ADDR original_lr0; */ +/* OBSOLETE */ +/* OBSOLETE /* Read original lr0 before changing gr1. This order isn't really needed */ +/* OBSOLETE since GDB happens to have a snapshot of all the regs and doesn't toss */ +/* OBSOLETE it when gr1 is changed. But it's The Right Thing To Do. */ */ +/* OBSOLETE original_lr0 = read_register (LR0_REGNUM); */ +/* OBSOLETE */ +/* OBSOLETE /* Allocate the new frame. */ */ +/* OBSOLETE gr1 = read_register (GR1_REGNUM) - DUMMY_FRAME_RSIZE; */ +/* OBSOLETE write_register (GR1_REGNUM, gr1); */ +/* OBSOLETE */ +/* OBSOLETE #ifdef VXWORKS_TARGET */ +/* OBSOLETE /* We force re-reading all registers to get the new local registers set */ +/* OBSOLETE after gr1 has been modified. This fix is due to the lack of single */ +/* OBSOLETE register read/write operation in the RPC interface between VxGDB and */ +/* OBSOLETE VxWorks. This really must be changed ! */ */ +/* OBSOLETE */ +/* OBSOLETE vx_read_register (-1); */ +/* OBSOLETE */ +/* OBSOLETE #endif /* VXWORK_TARGET */ */ +/* OBSOLETE */ +/* OBSOLETE rab = read_register (RAB_REGNUM); */ +/* OBSOLETE if (gr1 < rab) */ +/* OBSOLETE { */ +/* OBSOLETE /* We need to spill registers. */ */ +/* OBSOLETE int num_bytes = rab - gr1; */ +/* OBSOLETE CORE_ADDR rfb = read_register (RFB_REGNUM); */ +/* OBSOLETE int i; */ +/* OBSOLETE long word; */ +/* OBSOLETE */ +/* OBSOLETE write_register (RFB_REGNUM, rfb - num_bytes); */ +/* OBSOLETE write_register (RAB_REGNUM, gr1); */ +/* OBSOLETE for (i = 0; i < num_bytes; i += 4) */ +/* OBSOLETE { */ +/* OBSOLETE /* Note: word is in target byte order. */ */ +/* OBSOLETE read_register_gen (LR0_REGNUM + i / 4, (char *) &word); */ +/* OBSOLETE write_memory (rfb - num_bytes + i, (char *) &word, 4); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* There are no arguments in to the dummy frame, so we don't need */ +/* OBSOLETE more than rsize plus the return address and lr1. */ */ +/* OBSOLETE write_register (LR0_REGNUM + 1, gr1 + DUMMY_FRAME_RSIZE + 2 * 4); */ +/* OBSOLETE */ +/* OBSOLETE /* Set the memory frame pointer. */ */ +/* OBSOLETE write_register (LR0_REGNUM + DUMMY_FRAME_RSIZE / 4 - 1, msp); */ +/* OBSOLETE */ +/* OBSOLETE /* Allocate arg_slop. */ */ +/* OBSOLETE write_register (MSP_REGNUM, msp - 16 * 4); */ +/* OBSOLETE */ +/* OBSOLETE /* Save registers. */ */ +/* OBSOLETE lrnum = LR0_REGNUM + DUMMY_ARG / 4; */ +/* OBSOLETE for (i = 0; i < DUMMY_SAVE_SR128; ++i) */ +/* OBSOLETE write_register (lrnum++, read_register (SR_REGNUM (i + 128))); */ +/* OBSOLETE for (i = 0; i < DUMMY_SAVE_SR160; ++i) */ +/* OBSOLETE write_register (lrnum++, read_register (SR_REGNUM (i + 160))); */ +/* OBSOLETE for (i = 0; i < DUMMY_SAVE_GREGS; ++i) */ +/* OBSOLETE write_register (lrnum++, read_register (RETURN_REGNUM + i)); */ +/* OBSOLETE /* Save the PCs and LR0. */ */ +/* OBSOLETE write_register (lrnum++, read_register (PC_REGNUM)); */ +/* OBSOLETE write_register (lrnum++, read_register (NPC_REGNUM)); */ +/* OBSOLETE write_register (lrnum++, read_register (PC2_REGNUM)); */ +/* OBSOLETE */ +/* OBSOLETE /* Why are we saving LR0? What would clobber it? (the dummy frame should */ +/* OBSOLETE be below it on the register stack, no?). */ */ +/* OBSOLETE write_register (lrnum++, original_lr0); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE This routine takes three arguments and makes the cached frames look */ +/* OBSOLETE as if these arguments defined a frame on the cache. This allows the */ +/* OBSOLETE rest of `info frame' to extract the important arguments without much */ +/* OBSOLETE difficulty. Since an individual frame on the 29K is determined by */ +/* OBSOLETE three values (FP, PC, and MSP), we really need all three to do a */ +/* OBSOLETE good job. */ */ +/* OBSOLETE */ +/* OBSOLETE struct frame_info * */ +/* OBSOLETE setup_arbitrary_frame (int argc, CORE_ADDR *argv) */ +/* OBSOLETE { */ +/* OBSOLETE struct frame_info *frame; */ +/* OBSOLETE */ +/* OBSOLETE if (argc != 3) */ +/* OBSOLETE error ("AMD 29k frame specifications require three arguments: rsp pc msp"); */ +/* OBSOLETE */ +/* OBSOLETE frame = create_new_frame (argv[0], argv[1]); */ +/* OBSOLETE */ +/* OBSOLETE if (!frame) */ +/* OBSOLETE internal_error (__FILE__, __LINE__, */ +/* OBSOLETE "create_new_frame returned invalid frame id"); */ +/* OBSOLETE */ +/* OBSOLETE /* Creating a new frame munges the `frame' value from the current */ +/* OBSOLETE GR1, so we restore it again here. FIXME, untangle all this */ +/* OBSOLETE 29K frame stuff... */ */ +/* OBSOLETE frame->frame = argv[0]; */ +/* OBSOLETE */ +/* OBSOLETE /* Our MSP is in argv[2]. It'd be intelligent if we could just */ +/* OBSOLETE save this value in the FRAME. But the way it's set up (FIXME), */ +/* OBSOLETE we must save our caller's MSP. We compute that by adding our */ +/* OBSOLETE memory stack frame size to our MSP. */ */ +/* OBSOLETE frame->saved_msp = argv[2] + frame->msize; */ +/* OBSOLETE */ +/* OBSOLETE return frame; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE gdb_print_insn_a29k (bfd_vma memaddr, disassemble_info *info) */ +/* OBSOLETE { */ +/* OBSOLETE if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) */ +/* OBSOLETE return print_insn_big_a29k (memaddr, info); */ +/* OBSOLETE else */ +/* OBSOLETE return print_insn_little_a29k (memaddr, info); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE enum a29k_processor_types processor_type = a29k_unknown; */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE a29k_get_processor_type (void) */ +/* OBSOLETE { */ +/* OBSOLETE unsigned int cfg_reg = (unsigned int) read_register (CFG_REGNUM); */ +/* OBSOLETE */ +/* OBSOLETE /* Most of these don't have freeze mode. */ */ +/* OBSOLETE processor_type = a29k_no_freeze_mode; */ +/* OBSOLETE */ +/* OBSOLETE switch ((cfg_reg >> 28) & 0xf) */ +/* OBSOLETE { */ +/* OBSOLETE case 0: */ +/* OBSOLETE fprintf_filtered (gdb_stderr, "Remote debugging an Am29000"); */ +/* OBSOLETE break; */ +/* OBSOLETE case 1: */ +/* OBSOLETE fprintf_filtered (gdb_stderr, "Remote debugging an Am29005"); */ +/* OBSOLETE break; */ +/* OBSOLETE case 2: */ +/* OBSOLETE fprintf_filtered (gdb_stderr, "Remote debugging an Am29050"); */ +/* OBSOLETE processor_type = a29k_freeze_mode; */ +/* OBSOLETE break; */ +/* OBSOLETE case 3: */ +/* OBSOLETE fprintf_filtered (gdb_stderr, "Remote debugging an Am29035"); */ +/* OBSOLETE break; */ +/* OBSOLETE case 4: */ +/* OBSOLETE fprintf_filtered (gdb_stderr, "Remote debugging an Am29030"); */ +/* OBSOLETE break; */ +/* OBSOLETE case 5: */ +/* OBSOLETE fprintf_filtered (gdb_stderr, "Remote debugging an Am2920*"); */ +/* OBSOLETE break; */ +/* OBSOLETE case 6: */ +/* OBSOLETE fprintf_filtered (gdb_stderr, "Remote debugging an Am2924*"); */ +/* OBSOLETE break; */ +/* OBSOLETE case 7: */ +/* OBSOLETE fprintf_filtered (gdb_stderr, "Remote debugging an Am29040"); */ +/* OBSOLETE break; */ +/* OBSOLETE default: */ +/* OBSOLETE fprintf_filtered (gdb_stderr, "Remote debugging an unknown Am29k\n"); */ +/* OBSOLETE /* Don't bother to print the revision. */ */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE fprintf_filtered (gdb_stderr, " revision %c\n", 'A' + ((cfg_reg >> 24) & 0x0f)); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE #ifdef GET_LONGJMP_TARGET */ +/* OBSOLETE /* Figure out where the longjmp will land. We expect that we have just entered */ +/* OBSOLETE longjmp and haven't yet setup the stack frame, so the args are still in the */ +/* OBSOLETE output regs. lr2 (LR2_REGNUM) points at the jmp_buf structure from which we */ +/* OBSOLETE extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. */ +/* OBSOLETE This routine returns true on success */ */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE get_longjmp_target (CORE_ADDR *pc) */ +/* OBSOLETE { */ +/* OBSOLETE CORE_ADDR jb_addr; */ +/* OBSOLETE char buf[sizeof (CORE_ADDR)]; */ +/* OBSOLETE */ +/* OBSOLETE jb_addr = read_register (LR2_REGNUM); */ +/* OBSOLETE */ +/* OBSOLETE if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, (char *) buf, */ +/* OBSOLETE sizeof (CORE_ADDR))) */ +/* OBSOLETE return 0; */ +/* OBSOLETE */ +/* OBSOLETE *pc = extract_address ((PTR) buf, sizeof (CORE_ADDR)); */ +/* OBSOLETE return 1; */ +/* OBSOLETE } */ +/* OBSOLETE #endif /* GET_LONGJMP_TARGET */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE _initialize_a29k_tdep (void) */ +/* OBSOLETE { */ +/* OBSOLETE extern CORE_ADDR text_end; */ +/* OBSOLETE */ +/* OBSOLETE tm_print_insn = gdb_print_insn_a29k; */ +/* OBSOLETE */ +/* OBSOLETE /* FIXME, there should be a way to make a CORE_ADDR variable settable. */ */ +/* OBSOLETE add_show_from_set */ +/* OBSOLETE (add_set_cmd ("rstack_high_address", class_support, var_uinteger, */ +/* OBSOLETE (char *) &rstack_high_address, */ +/* OBSOLETE "Set top address in memory of the register stack.\n\ */ +/* OBSOLETE Attempts to access registers saved above this address will be ignored\n\ */ +/* OBSOLETE or will produce the value -1.", &setlist), */ +/* OBSOLETE &showlist); */ +/* OBSOLETE */ +/* OBSOLETE /* FIXME, there should be a way to make a CORE_ADDR variable settable. */ */ +/* OBSOLETE add_show_from_set */ +/* OBSOLETE (add_set_cmd ("call_scratch_address", class_support, var_uinteger, */ +/* OBSOLETE (char *) &text_end, */ +/* OBSOLETE "Set address in memory where small amounts of RAM can be used\n\ */ +/* OBSOLETE when making function calls into the inferior.", &setlist), */ +/* OBSOLETE &showlist); */ +/* OBSOLETE } */ diff --git a/gdb/config/a29k/a29k-udi.mt b/gdb/config/a29k/a29k-udi.mt index 15b33e62815..6fe45b0f58c 100644 --- a/gdb/config/a29k/a29k-udi.mt +++ b/gdb/config/a29k/a29k-udi.mt @@ -1,5 +1,5 @@ -# Target: AMD 29000 on EB29K board over a serial line -TDEPFILES= a29k-tdep.o remote-udi.o udip2soc.o udr.o udi2go32.o -TM_FILE= tm-a29k.h - -MT_CFLAGS = $(HOST_IPC) +# OBSOLETE # Target: AMD 29000 on EB29K board over a serial line +# OBSOLETE TDEPFILES= a29k-tdep.o remote-udi.o udip2soc.o udr.o udi2go32.o +# OBSOLETE TM_FILE= tm-a29k.h +# OBSOLETE +# OBSOLETE MT_CFLAGS = $(HOST_IPC) diff --git a/gdb/config/a29k/a29k.mt b/gdb/config/a29k/a29k.mt index a3f5910b18f..b235c05aa07 100644 --- a/gdb/config/a29k/a29k.mt +++ b/gdb/config/a29k/a29k.mt @@ -1,5 +1,5 @@ -# Target: AMD 29000 -TDEPFILES= a29k-tdep.o remote-eb.o remote-adapt.o -TM_FILE= tm-a29k.h - -MT_CFLAGS = -DNO_HIF_SUPPORT +# OBSOLETE # Target: AMD 29000 +# OBSOLETE TDEPFILES= a29k-tdep.o remote-eb.o remote-adapt.o +# OBSOLETE TM_FILE= tm-a29k.h +# OBSOLETE +# OBSOLETE MT_CFLAGS = -DNO_HIF_SUPPORT diff --git a/gdb/config/a29k/tm-a29k.h b/gdb/config/a29k/tm-a29k.h index 3caff635380..c296f5952ec 100644 --- a/gdb/config/a29k/tm-a29k.h +++ b/gdb/config/a29k/tm-a29k.h @@ -1,722 +1,722 @@ -/* Parameters for target machine AMD 29000, for GDB, the GNU debugger. - Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1998, 1999, 2000, - 2001 Free Software Foundation, Inc. - Contributed by Cygnus Support. Written by Jim Kingdon. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "regcache.h" - -/* Parameters for an EB29K (a board which plugs into a PC and is - accessed through EBMON software running on the PC, which we - use as we'd use a remote stub (see remote-eb.c). - - If gdb is ported to other a29k machines/systems, the - machine/system-specific parts should be removed from this file (a - la tm-m68k.h). */ - -/* Byte order is configurable, but this machine runs big-endian. */ -#define TARGET_BYTE_ORDER BFD_ENDIAN_BIG - -/* Floating point uses IEEE representations. */ -#define IEEE_FLOAT (1) - -/* Recognize our magic number. */ -#define BADMAG(x) ((x).f_magic != 0572) - -/* Offset from address of function to start of its code. - Zero on most machines. */ - -#define FUNCTION_START_OFFSET 0 - -/* Advance PC across any function entry prologue instructions - to reach some "real" code. */ - -#define SKIP_PROLOGUE(pc) (a29k_skip_prologue (pc)) -CORE_ADDR a29k_skip_prologue (); - -/* Immediately after a function call, return the saved pc. - Can't go through the frames for this because on some machines - the new frame is not set up until the new function executes - some instructions. */ - -#define SAVED_PC_AFTER_CALL(frame) ((frame->flags & TRANSPARENT_FRAME) \ - ? read_register (TPC_REGNUM) \ - : read_register (LR0_REGNUM)) - -/* Stack grows downward. */ - -#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) - -/* Stack must be aligned on 32-bit boundaries when synthesizing - function calls. */ - -#define STACK_ALIGN(ADDR) (((ADDR) + 3) & ~3) - -/* Sequence of bytes for breakpoint instruction. */ -/* ASNEQ 0x50, gr1, gr1 - The trap number 0x50 is chosen arbitrarily. - We let the command line (or previously included files) override this - setting. */ -#ifndef BREAKPOINT -#if TARGET_BYTE_ORDER == BFD_ENDIAN_BIG -#define BREAKPOINT {0x72, 0x50, 0x01, 0x01} -#else /* Target is little-endian. */ -#define BREAKPOINT {0x01, 0x01, 0x50, 0x72} -#endif /* Target is little-endian. */ -#endif /* BREAKPOINT */ - -/* Amount PC must be decremented by after a breakpoint. - This is often the number of bytes in BREAKPOINT - but not always. */ - -#define DECR_PC_AFTER_BREAK 0 - -/* Say how long (ordinary) registers are. This is a piece of bogosity - used in push_word and a few other places; REGISTER_RAW_SIZE is the - real way to know how big a register is. */ - -#define REGISTER_SIZE 4 - -/* Allow the register declarations here to be overridden for remote - kernel debugging. */ -#if !defined (REGISTER_NAMES) - -/* Number of machine registers */ - -#define NUM_REGS 205 - -/* Initializer for an array of names of registers. - There should be NUM_REGS strings in this initializer. - - FIXME, add floating point registers and support here. - - Also note that this list does not attempt to deal with kernel - debugging (in which the first 32 registers are gr64-gr95). */ - -#define REGISTER_NAMES \ -{"gr96", "gr97", "gr98", "gr99", "gr100", "gr101", "gr102", "gr103", "gr104", \ - "gr105", "gr106", "gr107", "gr108", "gr109", "gr110", "gr111", "gr112", \ - "gr113", "gr114", "gr115", "gr116", "gr117", "gr118", "gr119", "gr120", \ - "gr121", "gr122", "gr123", "gr124", "gr125", "gr126", "gr127", \ - "lr0", "lr1", "lr2", "lr3", "lr4", "lr5", "lr6", "lr7", "lr8", "lr9", \ - "lr10", "lr11", "lr12", "lr13", "lr14", "lr15", "lr16", "lr17", "lr18", \ - "lr19", "lr20", "lr21", "lr22", "lr23", "lr24", "lr25", "lr26", "lr27", \ - "lr28", "lr29", "lr30", "lr31", "lr32", "lr33", "lr34", "lr35", "lr36", \ - "lr37", "lr38", "lr39", "lr40", "lr41", "lr42", "lr43", "lr44", "lr45", \ - "lr46", "lr47", "lr48", "lr49", "lr50", "lr51", "lr52", "lr53", "lr54", \ - "lr55", "lr56", "lr57", "lr58", "lr59", "lr60", "lr61", "lr62", "lr63", \ - "lr64", "lr65", "lr66", "lr67", "lr68", "lr69", "lr70", "lr71", "lr72", \ - "lr73", "lr74", "lr75", "lr76", "lr77", "lr78", "lr79", "lr80", "lr81", \ - "lr82", "lr83", "lr84", "lr85", "lr86", "lr87", "lr88", "lr89", "lr90", \ - "lr91", "lr92", "lr93", "lr94", "lr95", "lr96", "lr97", "lr98", "lr99", \ - "lr100", "lr101", "lr102", "lr103", "lr104", "lr105", "lr106", "lr107", \ - "lr108", "lr109", "lr110", "lr111", "lr112", "lr113", "lr114", "lr115", \ - "lr116", "lr117", "lr118", "lr119", "lr120", "lr121", "lr122", "lr123", \ - "lr124", "lr125", "lr126", "lr127", \ - "AI0", "AI1", "AI2", "AI3", "AI4", "AI5", "AI6", "AI7", "AI8", "AI9", \ - "AI10", "AI11", "AI12", "AI13", "AI14", "AI15", "FP", \ - "bp", "fc", "cr", "q", \ - "vab", "ops", "cps", "cfg", "cha", "chd", "chc", "rbp", "tmc", "tmr", \ - "pc0", "pc1", "pc2", "mmu", "lru", "fpe", "inte", "fps", "exo", "gr1", \ - "alu", "ipc", "ipa", "ipb" } - -/* - * Converts an sdb register number to an internal gdb register number. - * Currently under epi, gr96->0...gr127->31...lr0->32...lr127->159, or... - * gr64->0...gr95->31, lr0->32...lr127->159. - */ -#define SDB_REG_TO_REGNUM(value) \ - (((value) >= 96 && (value) <= 127) ? ((value) - 96) : \ - ((value) >= 128 && (value) <= 255) ? ((value) - 128 + LR0_REGNUM) : \ - (value)) - -/* - * Provide the processor register numbers of some registers that are - * expected/written in instructions that might change under different - * register sets. Namely, gcc can compile (-mkernel-registers) so that - * it uses gr64-gr95 in stead of gr96-gr127. - */ -#define MSP_HW_REGNUM 125 /* gr125 */ -#define RAB_HW_REGNUM 126 /* gr126 */ - -/* Convert Processor Special register #x to REGISTER_NAMES register # */ -#define SR_REGNUM(x) \ - ((x) < 15 ? VAB_REGNUM + (x) \ - : (x) >= 128 && (x) < 131 ? IPC_REGNUM + (x) - 128 \ - : (x) == 131 ? Q_REGNUM \ - : (x) == 132 ? ALU_REGNUM \ - : (x) >= 133 && (x) < 136 ? BP_REGNUM + (x) - 133 \ - : (x) >= 160 && (x) < 163 ? FPE_REGNUM + (x) - 160 \ - : (x) == 164 ? EXO_REGNUM \ - : (error ("Internal error in SR_REGNUM"), 0)) -#define GR96_REGNUM 0 - -/* Define the return register separately, so it can be overridden for - kernel procedure calling conventions. */ -#define RETURN_REGNUM GR96_REGNUM -#define GR1_REGNUM 200 -/* This needs to be the memory stack pointer, not the register stack pointer, - to make call_function work right. */ -#define SP_REGNUM MSP_REGNUM -#define FP_REGNUM 33 /* lr1 */ - -/* Return register for transparent calling convention (gr122). */ -#define TPC_REGNUM (122 - 96 + GR96_REGNUM) - -/* Large Return Pointer (gr123). */ -#define LRP_REGNUM (123 - 96 + GR96_REGNUM) - -/* Static link pointer (gr124). */ -#define SLP_REGNUM (124 - 96 + GR96_REGNUM) - -/* Memory Stack Pointer (gr125). */ -#define MSP_REGNUM (125 - 96 + GR96_REGNUM) - -/* Register allocate bound (gr126). */ -#define RAB_REGNUM (126 - 96 + GR96_REGNUM) - -/* Register Free Bound (gr127). */ -#define RFB_REGNUM (127 - 96 + GR96_REGNUM) - -/* Register Stack Pointer. */ -#define RSP_REGNUM GR1_REGNUM -#define LR0_REGNUM 32 -#define BP_REGNUM 177 -#define FC_REGNUM 178 -#define CR_REGNUM 179 -#define Q_REGNUM 180 -#define VAB_REGNUM 181 -#define OPS_REGNUM (VAB_REGNUM + 1) -#define CPS_REGNUM (VAB_REGNUM + 2) -#define CFG_REGNUM (VAB_REGNUM + 3) -#define CHA_REGNUM (VAB_REGNUM + 4) -#define CHD_REGNUM (VAB_REGNUM + 5) -#define CHC_REGNUM (VAB_REGNUM + 6) -#define RBP_REGNUM (VAB_REGNUM + 7) -#define TMC_REGNUM (VAB_REGNUM + 8) -#define TMR_REGNUM (VAB_REGNUM + 9) -#define NPC_REGNUM (VAB_REGNUM + 10) /* pc0 */ -#define PC_REGNUM (VAB_REGNUM + 11) /* pc1 */ -#define PC2_REGNUM (VAB_REGNUM + 12) -#define MMU_REGNUM (VAB_REGNUM + 13) -#define LRU_REGNUM (VAB_REGNUM + 14) -#define FPE_REGNUM (VAB_REGNUM + 15) -#define INTE_REGNUM (VAB_REGNUM + 16) -#define FPS_REGNUM (VAB_REGNUM + 17) -#define EXO_REGNUM (VAB_REGNUM + 18) -/* gr1 is defined above as 200 = VAB_REGNUM + 19 */ -#define ALU_REGNUM (VAB_REGNUM + 20) -#define PS_REGNUM ALU_REGNUM -#define IPC_REGNUM (VAB_REGNUM + 21) -#define IPA_REGNUM (VAB_REGNUM + 22) -#define IPB_REGNUM (VAB_REGNUM + 23) - -#endif /* !defined(REGISTER_NAMES) */ - -/* Total amount of space needed to store our copies of the machine's - register state, the array `registers'. */ -#define REGISTER_BYTES (NUM_REGS * 4) - -/* Index within `registers' of the first byte of the space for - register N. */ -#define REGISTER_BYTE(N) ((N)*4) - -/* Number of bytes of storage in the actual machine representation - for register N. */ - -/* All regs are 4 bytes. */ - -#define REGISTER_RAW_SIZE(N) (4) - -/* Number of bytes of storage in the program's representation - for register N. */ - -/* All regs are 4 bytes. */ - -#define REGISTER_VIRTUAL_SIZE(N) (4) - -/* Largest value REGISTER_RAW_SIZE can have. */ - -#define MAX_REGISTER_RAW_SIZE (4) - -/* Largest value REGISTER_VIRTUAL_SIZE can have. */ - -#define MAX_REGISTER_VIRTUAL_SIZE (4) - -/* Return the GDB type object for the "standard" data type - of data in register N. */ - -#define REGISTER_VIRTUAL_TYPE(N) \ - (((N) == PC_REGNUM || (N) == LRP_REGNUM || (N) == SLP_REGNUM \ - || (N) == MSP_REGNUM || (N) == RAB_REGNUM || (N) == RFB_REGNUM \ - || (N) == GR1_REGNUM || (N) == FP_REGNUM || (N) == LR0_REGNUM \ - || (N) == NPC_REGNUM || (N) == PC2_REGNUM) \ - ? lookup_pointer_type (builtin_type_void) : builtin_type_int) - -/* Store the address of the place in which to copy the structure the - subroutine will return. This is called from call_function. */ -/* On the a29k the LRP points to the part of the structure beyond the first - 16 words. */ -#define STORE_STRUCT_RETURN(ADDR, SP) \ - write_register (LRP_REGNUM, (ADDR) + 16 * 4); - -/* Should call_function allocate stack space for a struct return? */ -/* On the a29k objects over 16 words require the caller to allocate space. */ -extern use_struct_convention_fn a29k_use_struct_convention; -#define USE_STRUCT_CONVENTION(gcc_p, type) a29k_use_struct_convention (gcc_p, type) - -/* Extract from an array REGBUF containing the (raw) register state - a function return value of type TYPE, and copy that, in virtual format, - into VALBUF. */ - -#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ - { \ - int reg_length = TYPE_LENGTH (TYPE); \ - if (reg_length > 16 * 4) \ - { \ - reg_length = 16 * 4; \ - read_memory (*((int *)(REGBUF) + LRP_REGNUM), (VALBUF) + 16 * 4, \ - TYPE_LENGTH (TYPE) - 16 * 4); \ - } \ - memcpy ((VALBUF), ((int *)(REGBUF))+RETURN_REGNUM, reg_length); \ - } - -/* Write into appropriate registers a function return value - of type TYPE, given in virtual format. */ - -#define STORE_RETURN_VALUE(TYPE,VALBUF) \ - { \ - int reg_length = TYPE_LENGTH (TYPE); \ - if (reg_length > 16 * 4) \ - { \ - reg_length = 16 * 4; \ - write_memory (read_register (LRP_REGNUM), \ - (char *)(VALBUF) + 16 * 4, \ - TYPE_LENGTH (TYPE) - 16 * 4); \ - } \ - write_register_bytes (REGISTER_BYTE (RETURN_REGNUM), (char *)(VALBUF), \ - TYPE_LENGTH (TYPE)); \ - } - /* *INDENT-OFF* */ -/* The a29k user's guide documents well what the stacks look like. - But what isn't so clear there is how this interracts with the - symbols, or with GDB. - In the following saved_msp, saved memory stack pointer (which functions - as a memory frame pointer), means either - a register containing the memory frame pointer or, in the case of - functions with fixed size memory frames (i.e. those who don't use - alloca()), the result of the calculation msp + msize. - - LOC_ARG, LOC_LOCAL - For GCC, these are relative to saved_msp. - For high C, these are relative to msp (making alloca impossible). - LOC_REGISTER, LOC_REGPARM - The register number is the number at the - time the function is running (after the prologue), or in the case - of LOC_REGPARM, may be a register number in the range 160-175. - - The compilers do things like store an argument into memory, and then put out - a LOC_ARG for it, or put it into global registers and put out a - LOC_REGPARM. Thus is it important to execute the first line of - code (i.e. the line of the open brace, i.e. the prologue) of a function - before trying to print arguments or anything. - - The following diagram attempts to depict what is going on in memory - (see also the _a29k user's guide_) and also how that interacts with - GDB frames. We arbitrarily pick fci->frame to point the same place - as the register stack pointer; since we set it ourself in - INIT_EXTRA_FRAME_INFO, and access it only through the FRAME_* - macros, it doesn't really matter exactly how we - do it. However, note that FRAME_FP is used in two ways in GDB: - (1) as a "magic cookie" which uniquely identifies frames (even over - calls to the inferior), (2) (in PC_IN_CALL_DUMMY [ON_STACK]) - as the value of SP_REGNUM before the dummy frame was pushed. These - two meanings would be incompatible for the a29k if we defined - CALL_DUMMY_LOCATION == ON_STACK (but we don't, so don't worry about it). - Also note that "lr1" below, while called a frame pointer - in the user's guide, has only one function: To determine whether - registers need to be filled in the function epilogue. - - Consider the code: - < call bar> - loc1: . . . - bar: sub gr1,gr1,rsize_b - . . . - add mfp,msp,0 - sub msp,msp,msize_b - . . . - < call foo > - loc2: . . . - foo: sub gr1,gr1,rsize_f - . . . - add mfp,msp,0 - sub msp,msp,msize_f - . . . - loc3: < suppose the inferior stops here > - - memory stack register stack - | | |____________| - | | |____loc1____| - +------->|___________| | | ^ - | | ^ | | locals_b | | - | | | | |____________| | - | | | | | | | rsize_b - | | | msize_b | | args_to_f | | - | | | | |____________| | - | | | | |____lr1_____| V - | | V | |____loc2____|<----------------+ - | +--->|___________|<---------mfp | ^ | - | | | ^ | | locals_f | | | - | | | | msize_f | |____________| | | - | | | | | | | | rsize_f | - | | | V | | args | | | - | | |___________|pc and ->frame, but all the extra stuff, when called from - get_prev_frame, that is. */ -#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci) -void init_extra_frame_info (); - -#define INIT_FRAME_PC(fromleaf, fci) init_frame_pc(fromleaf, fci) -void init_frame_pc (); - - -/* FRAME_CHAIN takes a FRAME - and produces the frame's chain-pointer. - - However, if FRAME_CHAIN_VALID returns zero, - it means the given frame is the outermost one and has no caller. */ - -/* On the a29k, the nominal address of a frame is the address on the - register stack of the return address (the one next to the incoming - arguments, not down at the bottom so nominal address == stack pointer). - - GDB expects "nominal address" to equal contents of FP_REGNUM, - at least when it comes time to create the innermost frame. - However, that doesn't work for us, so when creating the innermost - frame we set ->frame ourselves in INIT_EXTRA_FRAME_INFO. */ - -/* These are mostly dummies for the a29k because INIT_FRAME_PC - sets prev->frame instead. */ -/* If rsize is zero, we must be at end of stack (or otherwise hosed). - If we don't check rsize, we loop forever if we see rsize == 0. */ -#define FRAME_CHAIN(thisframe) \ - ((thisframe)->rsize == 0 \ - ? 0 \ - : (thisframe)->frame + (thisframe)->rsize) - -/* Determine if the frame has a 'previous' and back-traceable frame. */ -#define FRAME_IS_UNCHAINED(frame) ((frame)->flags & TRANSPARENT_FRAME) - -/* Find the previous frame of a transparent routine. - * For now lets not try and trace through a transparent routine (we might - * have to assume that all transparent routines are traps). - */ -#define FIND_PREV_UNCHAINED_FRAME(frame) 0 - -/* Define other aspects of the stack frame. */ - -/* An expression that tells us whether the function invocation represented - by FI does not have a frame on the stack associated with it. */ -#define FRAMELESS_FUNCTION_INVOCATION(FI) \ - (frameless_look_for_prologue (FI)) - -/* Saved pc (i.e. return address). */ -#define FRAME_SAVED_PC(fraim) \ - (read_register_stack_integer ((fraim)->frame + (fraim)->rsize, 4)) - -/* Local variables (i.e. LOC_LOCAL) are on the memory stack, with their - offsets being relative to the memory stack pointer (high C) or - saved_msp (gcc). */ - -#define FRAME_LOCALS_ADDRESS(fi) frame_locals_address (fi) -extern CORE_ADDR frame_locals_address (); - -/* Return number of args passed to a frame. - Can return -1, meaning no way to tell. */ -/* We tried going to the effort of finding the tags word and getting - the argcount field from it, to support debugging assembler code. - Problem was, the "argcount" field never did hold the argument - count. */ -#define FRAME_NUM_ARGS(fi) (-1) - -#define FRAME_ARGS_ADDRESS(fi) FRAME_LOCALS_ADDRESS (fi) - -/* Return number of bytes at start of arglist that are not really args. */ - -#define FRAME_ARGS_SKIP 0 - -/* Provide our own get_saved_register. HAVE_REGISTER_WINDOWS is insufficient - because registers get renumbered on the a29k without getting saved. */ - -struct frame_info; -void a29k_get_saved_register (char *raw_buffer, int *optimized, - CORE_ADDR * addrp, struct frame_info *frame, - int regnum, enum lval_type *lvalp); -#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ - a29k_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) - -/* Call function stuff. */ -/* *INDENT-OFF* */ -/* The dummy frame looks like this (see also the general frame picture - above): - - register stack - - | | frame for function - | locals_sproc | executing at time - |________________| of call_function. - | | We must not disturb - | args_out_sproc | it. - memory stack |________________| - |____lr1_sproc___|<-+ - | | |__retaddr_sproc_| | <-- gr1 (at start) - |____________|<-msp 0 <-----------mfp_dummy_____| | - | | (at start) | save regs | | - | arg_slop | | pc0,pc1 | | - | | | pc2,lr0 sproc | | - | (16 words) | | gr96-gr124 | | - |____________|<-msp 1--after | sr160-sr162 | | - | | PUSH_DUMMY_FRAME| sr128-sr135 | | - | struct ret | |________________| | - | 17+ | | | | - |____________|<- lrp | args_out_dummy | | - | struct ret | | (16 words) | | - | 16 | |________________| | - | (16 words) | |____lr1_dummy___|--+ - |____________|<- msp 2--after |_retaddr_dummy__|<- gr1 after - | | struct ret | | PUSH_DUMMY_FRAME - | margs17+ | area allocated | locals_inf | - | | |________________| called - |____________|<- msp 4--when | | function's - | | inf called | args_out_inf | frame (set up - | margs16 | |________________| by called - | (16 words) | |_____lr1_inf____| function). - |____________|<- msp 3--after | . | - | | args pushed | . | - | | | . | - | | - - arg_slop: This area is so that when the call dummy adds 16 words to - the msp, it won't end up larger than mfp_dummy (it is needed in the - case where margs and struct_ret do not add up to at least 16 words). - struct ret: This area is allocated by GDB if the return value is more - than 16 words. struct ret_16 is not used on the a29k. - margs: Pushed by GDB. The call dummy copies the first 16 words to - args_out_dummy. - retaddr_sproc: Contains the PC at the time we call the function. - set by PUSH_DUMMY_FRAME and read by POP_FRAME. - retaddr_dummy: This points to a breakpoint instruction in the dummy. */ -/* *INDENT-ON* */ - - - -/* Rsize for dummy frame, in bytes. */ - -/* Bytes for outgoing args, lr1, and retaddr. */ -#define DUMMY_ARG (2 * 4 + 16 * 4) - -/* Number of special registers (sr128-) to save. */ -#define DUMMY_SAVE_SR128 8 -/* Number of special registers (sr160-) to save. */ -#define DUMMY_SAVE_SR160 3 -/* Number of general (gr96- or gr64-) registers to save. */ -#define DUMMY_SAVE_GREGS 29 - -#define DUMMY_FRAME_RSIZE \ -(4 /* mfp_dummy */ \ - + 4 * 4 /* pc0, pc1, pc2, lr0 */ \ - + DUMMY_SAVE_GREGS * 4 \ - + DUMMY_SAVE_SR160 * 4 \ - + DUMMY_SAVE_SR128 * 4 \ - + DUMMY_ARG \ - + 4 /* pad to doubleword */ ) - -/* Push an empty stack frame, to record the current PC, etc. */ - -#define PUSH_DUMMY_FRAME push_dummy_frame() -extern void push_dummy_frame (); - -/* Discard from the stack the innermost frame, - restoring all saved registers. */ - -#define POP_FRAME pop_frame() -extern void pop_frame (); - -/* This sequence of words is the instructions - mtsrim cr, 15 - loadm 0, 0, lr2, msp ; load first 16 words of arguments into registers - add msp, msp, 16 * 4 ; point to the remaining arguments - CONST_INSN: - const lr0,inf ; (replaced by half of target addr) - consth lr0,inf ; (replaced by other half of target addr) - calli lr0, lr0 - aseq 0x40,gr1,gr1 ; nop - BREAKPT_INSN: - asneq 0x50,gr1,gr1 ; breakpoint (replaced by local breakpoint insn) - */ - -#error "This file is broken. GDB does not define HOST_BYTE_ORDER." -#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER -#define BS(const) const -#else -#define BS(const) (((const) & 0xff) << 24) | \ - (((const) & 0xff00) << 8) | \ - (((const) & 0xff0000) >> 8) | \ - (((const) & 0xff000000) >> 24) -#endif - -/* Position of the "const" and blkt instructions within CALL_DUMMY in bytes. */ -#define CONST_INSN (3 * 4) -#define BREAKPT_INSN (7 * 4) -#define CALL_DUMMY { \ - BS(0x0400870f),\ - BS(0x36008200|(MSP_HW_REGNUM)), \ - BS(0x15000040|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16)), \ - BS(0x03ff80ff), \ - BS(0x02ff80ff), \ - BS(0xc8008080), \ - BS(0x70400101), \ - BS(0x72500101)} -#define CALL_DUMMY_LENGTH (8 * 4) - -#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */ - -/* Helper macro for FIX_CALL_DUMMY. WORDP is a long * which points to a - word in target byte order; bits 0-7 and 16-23 of *WORDP are replaced with - bits 0-7 and 8-15 of DATA (which is in host byte order). */ - -#if TARGET_BYTE_ORDER == BFD_ENDIAN_BIG -#define STUFF_I16(WORDP, DATA) \ - { \ - *((char *)(WORDP) + 3) = ((DATA) & 0xff);\ - *((char *)(WORDP) + 1) = (((DATA) >> 8) & 0xff);\ - } -#else /* Target is little endian. */ -#define STUFF_I16(WORDP, DATA) \ - { -*(char *) (WORDP) = ((DATA) & 0xff); -*((char *) (WORDP) + 2) = (((DATA) >> 8) & 0xff); -} -#endif /* Target is little endian. */ - -/* Insert the specified number of args and function address - into a call sequence of the above form stored at DUMMYNAME. */ - -/* Currently this stuffs in the address of the function that we are calling. - Since different a29k systems use different breakpoint instructions, it - also stuffs BREAKPOINT in the right place (to avoid having to - duplicate CALL_DUMMY in each tm-*.h file). */ - -#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ - {\ - STUFF_I16((char *)dummyname + CONST_INSN, fun); \ - STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16); \ - /* FIXME memcpy ((char *)(dummyname) + BREAKPT_INSN, break_insn, 4); */ \ - } - -/* a29k architecture has separate data & instruction memories -- wired to - different pins on the chip -- and can't execute the data memory. - Also, there should be space after text_end; - we won't get a SIGSEGV or scribble on data space. */ - -#define CALL_DUMMY_LOCATION AFTER_TEXT_END - -/* Because of this, we need (as a kludge) to know the addresses of the - text section. */ - -#define NEED_TEXT_START_END 1 - -/* How to translate register numbers in the .stab's into gdb's internal register - numbers. We don't translate them, but we warn if an invalid register - number is seen. Note that FIXME, we use the value "sym" as an implicit - argument in printing the error message. It happens to be available where - this macro is used. (This macro definition appeared in a late revision - of gdb-3.91.6 and is not well tested. Also, it should be a "complaint".) */ - -#define STAB_REG_TO_REGNUM(num) \ - (((num) > LR0_REGNUM + 127) \ - ? fprintf(stderr, \ - "Invalid register number %d in symbol table entry for %s\n", \ - (num), SYMBOL_SOURCE_NAME (sym)), (num) \ - : (num)) - -extern enum a29k_processor_types -{ - a29k_unknown, - - /* Bit 0x400 of the CPS does *not* identify freeze mode, i.e. 29000, - 29030, etc. */ - a29k_no_freeze_mode, - - /* Bit 0x400 of the CPS does identify freeze mode, i.e. 29050. */ - a29k_freeze_mode -} -processor_type; - -/* We need three arguments for a general frame specification for the - "frame" or "info frame" command. */ - -#define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv) -extern struct frame_info *setup_arbitrary_frame (int, CORE_ADDR *); +/* OBSOLETE /* Parameters for target machine AMD 29000, for GDB, the GNU debugger. */ +/* OBSOLETE Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1998, 1999, 2000, */ +/* OBSOLETE 2001 Free Software Foundation, Inc. */ +/* OBSOLETE Contributed by Cygnus Support. Written by Jim Kingdon. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ +/* OBSOLETE Boston, MA 02111-1307, USA. */ */ +/* OBSOLETE */ +/* OBSOLETE #include "regcache.h" */ +/* OBSOLETE */ +/* OBSOLETE /* Parameters for an EB29K (a board which plugs into a PC and is */ +/* OBSOLETE accessed through EBMON software running on the PC, which we */ +/* OBSOLETE use as we'd use a remote stub (see remote-eb.c). */ +/* OBSOLETE */ +/* OBSOLETE If gdb is ported to other a29k machines/systems, the */ +/* OBSOLETE machine/system-specific parts should be removed from this file (a */ +/* OBSOLETE la tm-m68k.h). */ */ +/* OBSOLETE */ +/* OBSOLETE /* Byte order is configurable, but this machine runs big-endian. */ */ +/* OBSOLETE #define TARGET_BYTE_ORDER BFD_ENDIAN_BIG */ +/* OBSOLETE */ +/* OBSOLETE /* Floating point uses IEEE representations. */ */ +/* OBSOLETE #define IEEE_FLOAT (1) */ +/* OBSOLETE */ +/* OBSOLETE /* Recognize our magic number. */ */ +/* OBSOLETE #define BADMAG(x) ((x).f_magic != 0572) */ +/* OBSOLETE */ +/* OBSOLETE /* Offset from address of function to start of its code. */ +/* OBSOLETE Zero on most machines. */ */ +/* OBSOLETE */ +/* OBSOLETE #define FUNCTION_START_OFFSET 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Advance PC across any function entry prologue instructions */ +/* OBSOLETE to reach some "real" code. */ */ +/* OBSOLETE */ +/* OBSOLETE #define SKIP_PROLOGUE(pc) (a29k_skip_prologue (pc)) */ +/* OBSOLETE CORE_ADDR a29k_skip_prologue (); */ +/* OBSOLETE */ +/* OBSOLETE /* Immediately after a function call, return the saved pc. */ +/* OBSOLETE Can't go through the frames for this because on some machines */ +/* OBSOLETE the new frame is not set up until the new function executes */ +/* OBSOLETE some instructions. */ */ +/* OBSOLETE */ +/* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) ((frame->flags & TRANSPARENT_FRAME) \ */ +/* OBSOLETE ? read_register (TPC_REGNUM) \ */ +/* OBSOLETE : read_register (LR0_REGNUM)) */ +/* OBSOLETE */ +/* OBSOLETE /* Stack grows downward. */ */ +/* OBSOLETE */ +/* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */ +/* OBSOLETE */ +/* OBSOLETE /* Stack must be aligned on 32-bit boundaries when synthesizing */ +/* OBSOLETE function calls. */ */ +/* OBSOLETE */ +/* OBSOLETE #define STACK_ALIGN(ADDR) (((ADDR) + 3) & ~3) */ +/* OBSOLETE */ +/* OBSOLETE /* Sequence of bytes for breakpoint instruction. */ */ +/* OBSOLETE /* ASNEQ 0x50, gr1, gr1 */ +/* OBSOLETE The trap number 0x50 is chosen arbitrarily. */ +/* OBSOLETE We let the command line (or previously included files) override this */ +/* OBSOLETE setting. */ */ +/* OBSOLETE #ifndef BREAKPOINT */ +/* OBSOLETE #if TARGET_BYTE_ORDER == BFD_ENDIAN_BIG */ +/* OBSOLETE #define BREAKPOINT {0x72, 0x50, 0x01, 0x01} */ +/* OBSOLETE #else /* Target is little-endian. */ */ +/* OBSOLETE #define BREAKPOINT {0x01, 0x01, 0x50, 0x72} */ +/* OBSOLETE #endif /* Target is little-endian. */ */ +/* OBSOLETE #endif /* BREAKPOINT */ */ +/* OBSOLETE */ +/* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */ +/* OBSOLETE This is often the number of bytes in BREAKPOINT */ +/* OBSOLETE but not always. */ */ +/* OBSOLETE */ +/* OBSOLETE #define DECR_PC_AFTER_BREAK 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Say how long (ordinary) registers are. This is a piece of bogosity */ +/* OBSOLETE used in push_word and a few other places; REGISTER_RAW_SIZE is the */ +/* OBSOLETE real way to know how big a register is. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_SIZE 4 */ +/* OBSOLETE */ +/* OBSOLETE /* Allow the register declarations here to be overridden for remote */ +/* OBSOLETE kernel debugging. */ */ +/* OBSOLETE #if !defined (REGISTER_NAMES) */ +/* OBSOLETE */ +/* OBSOLETE /* Number of machine registers */ */ +/* OBSOLETE */ +/* OBSOLETE #define NUM_REGS 205 */ +/* OBSOLETE */ +/* OBSOLETE /* Initializer for an array of names of registers. */ +/* OBSOLETE There should be NUM_REGS strings in this initializer. */ +/* OBSOLETE */ +/* OBSOLETE FIXME, add floating point registers and support here. */ +/* OBSOLETE */ +/* OBSOLETE Also note that this list does not attempt to deal with kernel */ +/* OBSOLETE debugging (in which the first 32 registers are gr64-gr95). */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_NAMES \ */ +/* OBSOLETE {"gr96", "gr97", "gr98", "gr99", "gr100", "gr101", "gr102", "gr103", "gr104", \ */ +/* OBSOLETE "gr105", "gr106", "gr107", "gr108", "gr109", "gr110", "gr111", "gr112", \ */ +/* OBSOLETE "gr113", "gr114", "gr115", "gr116", "gr117", "gr118", "gr119", "gr120", \ */ +/* OBSOLETE "gr121", "gr122", "gr123", "gr124", "gr125", "gr126", "gr127", \ */ +/* OBSOLETE "lr0", "lr1", "lr2", "lr3", "lr4", "lr5", "lr6", "lr7", "lr8", "lr9", \ */ +/* OBSOLETE "lr10", "lr11", "lr12", "lr13", "lr14", "lr15", "lr16", "lr17", "lr18", \ */ +/* OBSOLETE "lr19", "lr20", "lr21", "lr22", "lr23", "lr24", "lr25", "lr26", "lr27", \ */ +/* OBSOLETE "lr28", "lr29", "lr30", "lr31", "lr32", "lr33", "lr34", "lr35", "lr36", \ */ +/* OBSOLETE "lr37", "lr38", "lr39", "lr40", "lr41", "lr42", "lr43", "lr44", "lr45", \ */ +/* OBSOLETE "lr46", "lr47", "lr48", "lr49", "lr50", "lr51", "lr52", "lr53", "lr54", \ */ +/* OBSOLETE "lr55", "lr56", "lr57", "lr58", "lr59", "lr60", "lr61", "lr62", "lr63", \ */ +/* OBSOLETE "lr64", "lr65", "lr66", "lr67", "lr68", "lr69", "lr70", "lr71", "lr72", \ */ +/* OBSOLETE "lr73", "lr74", "lr75", "lr76", "lr77", "lr78", "lr79", "lr80", "lr81", \ */ +/* OBSOLETE "lr82", "lr83", "lr84", "lr85", "lr86", "lr87", "lr88", "lr89", "lr90", \ */ +/* OBSOLETE "lr91", "lr92", "lr93", "lr94", "lr95", "lr96", "lr97", "lr98", "lr99", \ */ +/* OBSOLETE "lr100", "lr101", "lr102", "lr103", "lr104", "lr105", "lr106", "lr107", \ */ +/* OBSOLETE "lr108", "lr109", "lr110", "lr111", "lr112", "lr113", "lr114", "lr115", \ */ +/* OBSOLETE "lr116", "lr117", "lr118", "lr119", "lr120", "lr121", "lr122", "lr123", \ */ +/* OBSOLETE "lr124", "lr125", "lr126", "lr127", \ */ +/* OBSOLETE "AI0", "AI1", "AI2", "AI3", "AI4", "AI5", "AI6", "AI7", "AI8", "AI9", \ */ +/* OBSOLETE "AI10", "AI11", "AI12", "AI13", "AI14", "AI15", "FP", \ */ +/* OBSOLETE "bp", "fc", "cr", "q", \ */ +/* OBSOLETE "vab", "ops", "cps", "cfg", "cha", "chd", "chc", "rbp", "tmc", "tmr", \ */ +/* OBSOLETE "pc0", "pc1", "pc2", "mmu", "lru", "fpe", "inte", "fps", "exo", "gr1", \ */ +/* OBSOLETE "alu", "ipc", "ipa", "ipb" } */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE * Converts an sdb register number to an internal gdb register number. */ +/* OBSOLETE * Currently under epi, gr96->0...gr127->31...lr0->32...lr127->159, or... */ +/* OBSOLETE * gr64->0...gr95->31, lr0->32...lr127->159. */ +/* OBSOLETE */ */ +/* OBSOLETE #define SDB_REG_TO_REGNUM(value) \ */ +/* OBSOLETE (((value) >= 96 && (value) <= 127) ? ((value) - 96) : \ */ +/* OBSOLETE ((value) >= 128 && (value) <= 255) ? ((value) - 128 + LR0_REGNUM) : \ */ +/* OBSOLETE (value)) */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE * Provide the processor register numbers of some registers that are */ +/* OBSOLETE * expected/written in instructions that might change under different */ +/* OBSOLETE * register sets. Namely, gcc can compile (-mkernel-registers) so that */ +/* OBSOLETE * it uses gr64-gr95 in stead of gr96-gr127. */ +/* OBSOLETE */ */ +/* OBSOLETE #define MSP_HW_REGNUM 125 /* gr125 */ */ +/* OBSOLETE #define RAB_HW_REGNUM 126 /* gr126 */ */ +/* OBSOLETE */ +/* OBSOLETE /* Convert Processor Special register #x to REGISTER_NAMES register # */ */ +/* OBSOLETE #define SR_REGNUM(x) \ */ +/* OBSOLETE ((x) < 15 ? VAB_REGNUM + (x) \ */ +/* OBSOLETE : (x) >= 128 && (x) < 131 ? IPC_REGNUM + (x) - 128 \ */ +/* OBSOLETE : (x) == 131 ? Q_REGNUM \ */ +/* OBSOLETE : (x) == 132 ? ALU_REGNUM \ */ +/* OBSOLETE : (x) >= 133 && (x) < 136 ? BP_REGNUM + (x) - 133 \ */ +/* OBSOLETE : (x) >= 160 && (x) < 163 ? FPE_REGNUM + (x) - 160 \ */ +/* OBSOLETE : (x) == 164 ? EXO_REGNUM \ */ +/* OBSOLETE : (error ("Internal error in SR_REGNUM"), 0)) */ +/* OBSOLETE #define GR96_REGNUM 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Define the return register separately, so it can be overridden for */ +/* OBSOLETE kernel procedure calling conventions. */ */ +/* OBSOLETE #define RETURN_REGNUM GR96_REGNUM */ +/* OBSOLETE #define GR1_REGNUM 200 */ +/* OBSOLETE /* This needs to be the memory stack pointer, not the register stack pointer, */ +/* OBSOLETE to make call_function work right. */ */ +/* OBSOLETE #define SP_REGNUM MSP_REGNUM */ +/* OBSOLETE #define FP_REGNUM 33 /* lr1 */ */ +/* OBSOLETE */ +/* OBSOLETE /* Return register for transparent calling convention (gr122). */ */ +/* OBSOLETE #define TPC_REGNUM (122 - 96 + GR96_REGNUM) */ +/* OBSOLETE */ +/* OBSOLETE /* Large Return Pointer (gr123). */ */ +/* OBSOLETE #define LRP_REGNUM (123 - 96 + GR96_REGNUM) */ +/* OBSOLETE */ +/* OBSOLETE /* Static link pointer (gr124). */ */ +/* OBSOLETE #define SLP_REGNUM (124 - 96 + GR96_REGNUM) */ +/* OBSOLETE */ +/* OBSOLETE /* Memory Stack Pointer (gr125). */ */ +/* OBSOLETE #define MSP_REGNUM (125 - 96 + GR96_REGNUM) */ +/* OBSOLETE */ +/* OBSOLETE /* Register allocate bound (gr126). */ */ +/* OBSOLETE #define RAB_REGNUM (126 - 96 + GR96_REGNUM) */ +/* OBSOLETE */ +/* OBSOLETE /* Register Free Bound (gr127). */ */ +/* OBSOLETE #define RFB_REGNUM (127 - 96 + GR96_REGNUM) */ +/* OBSOLETE */ +/* OBSOLETE /* Register Stack Pointer. */ */ +/* OBSOLETE #define RSP_REGNUM GR1_REGNUM */ +/* OBSOLETE #define LR0_REGNUM 32 */ +/* OBSOLETE #define BP_REGNUM 177 */ +/* OBSOLETE #define FC_REGNUM 178 */ +/* OBSOLETE #define CR_REGNUM 179 */ +/* OBSOLETE #define Q_REGNUM 180 */ +/* OBSOLETE #define VAB_REGNUM 181 */ +/* OBSOLETE #define OPS_REGNUM (VAB_REGNUM + 1) */ +/* OBSOLETE #define CPS_REGNUM (VAB_REGNUM + 2) */ +/* OBSOLETE #define CFG_REGNUM (VAB_REGNUM + 3) */ +/* OBSOLETE #define CHA_REGNUM (VAB_REGNUM + 4) */ +/* OBSOLETE #define CHD_REGNUM (VAB_REGNUM + 5) */ +/* OBSOLETE #define CHC_REGNUM (VAB_REGNUM + 6) */ +/* OBSOLETE #define RBP_REGNUM (VAB_REGNUM + 7) */ +/* OBSOLETE #define TMC_REGNUM (VAB_REGNUM + 8) */ +/* OBSOLETE #define TMR_REGNUM (VAB_REGNUM + 9) */ +/* OBSOLETE #define NPC_REGNUM (VAB_REGNUM + 10) /* pc0 */ */ +/* OBSOLETE #define PC_REGNUM (VAB_REGNUM + 11) /* pc1 */ */ +/* OBSOLETE #define PC2_REGNUM (VAB_REGNUM + 12) */ +/* OBSOLETE #define MMU_REGNUM (VAB_REGNUM + 13) */ +/* OBSOLETE #define LRU_REGNUM (VAB_REGNUM + 14) */ +/* OBSOLETE #define FPE_REGNUM (VAB_REGNUM + 15) */ +/* OBSOLETE #define INTE_REGNUM (VAB_REGNUM + 16) */ +/* OBSOLETE #define FPS_REGNUM (VAB_REGNUM + 17) */ +/* OBSOLETE #define EXO_REGNUM (VAB_REGNUM + 18) */ +/* OBSOLETE /* gr1 is defined above as 200 = VAB_REGNUM + 19 */ */ +/* OBSOLETE #define ALU_REGNUM (VAB_REGNUM + 20) */ +/* OBSOLETE #define PS_REGNUM ALU_REGNUM */ +/* OBSOLETE #define IPC_REGNUM (VAB_REGNUM + 21) */ +/* OBSOLETE #define IPA_REGNUM (VAB_REGNUM + 22) */ +/* OBSOLETE #define IPB_REGNUM (VAB_REGNUM + 23) */ +/* OBSOLETE */ +/* OBSOLETE #endif /* !defined(REGISTER_NAMES) */ */ +/* OBSOLETE */ +/* OBSOLETE /* Total amount of space needed to store our copies of the machine's */ +/* OBSOLETE register state, the array `registers'. */ */ +/* OBSOLETE #define REGISTER_BYTES (NUM_REGS * 4) */ +/* OBSOLETE */ +/* OBSOLETE /* Index within `registers' of the first byte of the space for */ +/* OBSOLETE register N. */ */ +/* OBSOLETE #define REGISTER_BYTE(N) ((N)*4) */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes of storage in the actual machine representation */ +/* OBSOLETE for register N. */ */ +/* OBSOLETE */ +/* OBSOLETE /* All regs are 4 bytes. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_RAW_SIZE(N) (4) */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes of storage in the program's representation */ +/* OBSOLETE for register N. */ */ +/* OBSOLETE */ +/* OBSOLETE /* All regs are 4 bytes. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) (4) */ +/* OBSOLETE */ +/* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */ */ +/* OBSOLETE */ +/* OBSOLETE #define MAX_REGISTER_RAW_SIZE (4) */ +/* OBSOLETE */ +/* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. */ */ +/* OBSOLETE */ +/* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE (4) */ +/* OBSOLETE */ +/* OBSOLETE /* Return the GDB type object for the "standard" data type */ +/* OBSOLETE of data in register N. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \ */ +/* OBSOLETE (((N) == PC_REGNUM || (N) == LRP_REGNUM || (N) == SLP_REGNUM \ */ +/* OBSOLETE || (N) == MSP_REGNUM || (N) == RAB_REGNUM || (N) == RFB_REGNUM \ */ +/* OBSOLETE || (N) == GR1_REGNUM || (N) == FP_REGNUM || (N) == LR0_REGNUM \ */ +/* OBSOLETE || (N) == NPC_REGNUM || (N) == PC2_REGNUM) \ */ +/* OBSOLETE ? lookup_pointer_type (builtin_type_void) : builtin_type_int) */ +/* OBSOLETE */ +/* OBSOLETE /* Store the address of the place in which to copy the structure the */ +/* OBSOLETE subroutine will return. This is called from call_function. */ */ +/* OBSOLETE /* On the a29k the LRP points to the part of the structure beyond the first */ +/* OBSOLETE 16 words. */ */ +/* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) \ */ +/* OBSOLETE write_register (LRP_REGNUM, (ADDR) + 16 * 4); */ +/* OBSOLETE */ +/* OBSOLETE /* Should call_function allocate stack space for a struct return? */ */ +/* OBSOLETE /* On the a29k objects over 16 words require the caller to allocate space. */ */ +/* OBSOLETE extern use_struct_convention_fn a29k_use_struct_convention; */ +/* OBSOLETE #define USE_STRUCT_CONVENTION(gcc_p, type) a29k_use_struct_convention (gcc_p, type) */ +/* OBSOLETE */ +/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ +/* OBSOLETE a function return value of type TYPE, and copy that, in virtual format, */ +/* OBSOLETE into VALBUF. */ */ +/* OBSOLETE */ +/* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */ +/* OBSOLETE { \ */ +/* OBSOLETE int reg_length = TYPE_LENGTH (TYPE); \ */ +/* OBSOLETE if (reg_length > 16 * 4) \ */ +/* OBSOLETE { \ */ +/* OBSOLETE reg_length = 16 * 4; \ */ +/* OBSOLETE read_memory (*((int *)(REGBUF) + LRP_REGNUM), (VALBUF) + 16 * 4, \ */ +/* OBSOLETE TYPE_LENGTH (TYPE) - 16 * 4); \ */ +/* OBSOLETE } \ */ +/* OBSOLETE memcpy ((VALBUF), ((int *)(REGBUF))+RETURN_REGNUM, reg_length); \ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Write into appropriate registers a function return value */ +/* OBSOLETE of type TYPE, given in virtual format. */ */ +/* OBSOLETE */ +/* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */ +/* OBSOLETE { \ */ +/* OBSOLETE int reg_length = TYPE_LENGTH (TYPE); \ */ +/* OBSOLETE if (reg_length > 16 * 4) \ */ +/* OBSOLETE { \ */ +/* OBSOLETE reg_length = 16 * 4; \ */ +/* OBSOLETE write_memory (read_register (LRP_REGNUM), \ */ +/* OBSOLETE (char *)(VALBUF) + 16 * 4, \ */ +/* OBSOLETE TYPE_LENGTH (TYPE) - 16 * 4); \ */ +/* OBSOLETE } \ */ +/* OBSOLETE write_register_bytes (REGISTER_BYTE (RETURN_REGNUM), (char *)(VALBUF), \ */ +/* OBSOLETE TYPE_LENGTH (TYPE)); \ */ +/* OBSOLETE } */ +/* OBSOLETE /* *INDENT-OFF* */ */ +/* OBSOLETE /* The a29k user's guide documents well what the stacks look like. */ +/* OBSOLETE But what isn't so clear there is how this interracts with the */ +/* OBSOLETE symbols, or with GDB. */ +/* OBSOLETE In the following saved_msp, saved memory stack pointer (which functions */ +/* OBSOLETE as a memory frame pointer), means either */ +/* OBSOLETE a register containing the memory frame pointer or, in the case of */ +/* OBSOLETE functions with fixed size memory frames (i.e. those who don't use */ +/* OBSOLETE alloca()), the result of the calculation msp + msize. */ +/* OBSOLETE */ +/* OBSOLETE LOC_ARG, LOC_LOCAL - For GCC, these are relative to saved_msp. */ +/* OBSOLETE For high C, these are relative to msp (making alloca impossible). */ +/* OBSOLETE LOC_REGISTER, LOC_REGPARM - The register number is the number at the */ +/* OBSOLETE time the function is running (after the prologue), or in the case */ +/* OBSOLETE of LOC_REGPARM, may be a register number in the range 160-175. */ +/* OBSOLETE */ +/* OBSOLETE The compilers do things like store an argument into memory, and then put out */ +/* OBSOLETE a LOC_ARG for it, or put it into global registers and put out a */ +/* OBSOLETE LOC_REGPARM. Thus is it important to execute the first line of */ +/* OBSOLETE code (i.e. the line of the open brace, i.e. the prologue) of a function */ +/* OBSOLETE before trying to print arguments or anything. */ +/* OBSOLETE */ +/* OBSOLETE The following diagram attempts to depict what is going on in memory */ +/* OBSOLETE (see also the _a29k user's guide_) and also how that interacts with */ +/* OBSOLETE GDB frames. We arbitrarily pick fci->frame to point the same place */ +/* OBSOLETE as the register stack pointer; since we set it ourself in */ +/* OBSOLETE INIT_EXTRA_FRAME_INFO, and access it only through the FRAME_* */ +/* OBSOLETE macros, it doesn't really matter exactly how we */ +/* OBSOLETE do it. However, note that FRAME_FP is used in two ways in GDB: */ +/* OBSOLETE (1) as a "magic cookie" which uniquely identifies frames (even over */ +/* OBSOLETE calls to the inferior), (2) (in PC_IN_CALL_DUMMY [ON_STACK]) */ +/* OBSOLETE as the value of SP_REGNUM before the dummy frame was pushed. These */ +/* OBSOLETE two meanings would be incompatible for the a29k if we defined */ +/* OBSOLETE CALL_DUMMY_LOCATION == ON_STACK (but we don't, so don't worry about it). */ +/* OBSOLETE Also note that "lr1" below, while called a frame pointer */ +/* OBSOLETE in the user's guide, has only one function: To determine whether */ +/* OBSOLETE registers need to be filled in the function epilogue. */ +/* OBSOLETE */ +/* OBSOLETE Consider the code: */ +/* OBSOLETE < call bar> */ +/* OBSOLETE loc1: . . . */ +/* OBSOLETE bar: sub gr1,gr1,rsize_b */ +/* OBSOLETE . . . */ +/* OBSOLETE add mfp,msp,0 */ +/* OBSOLETE sub msp,msp,msize_b */ +/* OBSOLETE . . . */ +/* OBSOLETE < call foo > */ +/* OBSOLETE loc2: . . . */ +/* OBSOLETE foo: sub gr1,gr1,rsize_f */ +/* OBSOLETE . . . */ +/* OBSOLETE add mfp,msp,0 */ +/* OBSOLETE sub msp,msp,msize_f */ +/* OBSOLETE . . . */ +/* OBSOLETE loc3: < suppose the inferior stops here > */ +/* OBSOLETE */ +/* OBSOLETE memory stack register stack */ +/* OBSOLETE | | |____________| */ +/* OBSOLETE | | |____loc1____| */ +/* OBSOLETE +------->|___________| | | ^ */ +/* OBSOLETE | | ^ | | locals_b | | */ +/* OBSOLETE | | | | |____________| | */ +/* OBSOLETE | | | | | | | rsize_b */ +/* OBSOLETE | | | msize_b | | args_to_f | | */ +/* OBSOLETE | | | | |____________| | */ +/* OBSOLETE | | | | |____lr1_____| V */ +/* OBSOLETE | | V | |____loc2____|<----------------+ */ +/* OBSOLETE | +--->|___________|<---------mfp | ^ | */ +/* OBSOLETE | | | ^ | | locals_f | | | */ +/* OBSOLETE | | | | msize_f | |____________| | | */ +/* OBSOLETE | | | | | | | | rsize_f | */ +/* OBSOLETE | | | V | | args | | | */ +/* OBSOLETE | | |___________|pc and ->frame, but all the extra stuff, when called from */ +/* OBSOLETE get_prev_frame, that is. */ */ +/* OBSOLETE #define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci) */ +/* OBSOLETE void init_extra_frame_info (); */ +/* OBSOLETE */ +/* OBSOLETE #define INIT_FRAME_PC(fromleaf, fci) init_frame_pc(fromleaf, fci) */ +/* OBSOLETE void init_frame_pc (); */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* FRAME_CHAIN takes a FRAME */ +/* OBSOLETE and produces the frame's chain-pointer. */ +/* OBSOLETE */ +/* OBSOLETE However, if FRAME_CHAIN_VALID returns zero, */ +/* OBSOLETE it means the given frame is the outermost one and has no caller. */ */ +/* OBSOLETE */ +/* OBSOLETE /* On the a29k, the nominal address of a frame is the address on the */ +/* OBSOLETE register stack of the return address (the one next to the incoming */ +/* OBSOLETE arguments, not down at the bottom so nominal address == stack pointer). */ +/* OBSOLETE */ +/* OBSOLETE GDB expects "nominal address" to equal contents of FP_REGNUM, */ +/* OBSOLETE at least when it comes time to create the innermost frame. */ +/* OBSOLETE However, that doesn't work for us, so when creating the innermost */ +/* OBSOLETE frame we set ->frame ourselves in INIT_EXTRA_FRAME_INFO. */ */ +/* OBSOLETE */ +/* OBSOLETE /* These are mostly dummies for the a29k because INIT_FRAME_PC */ +/* OBSOLETE sets prev->frame instead. */ */ +/* OBSOLETE /* If rsize is zero, we must be at end of stack (or otherwise hosed). */ +/* OBSOLETE If we don't check rsize, we loop forever if we see rsize == 0. */ */ +/* OBSOLETE #define FRAME_CHAIN(thisframe) \ */ +/* OBSOLETE ((thisframe)->rsize == 0 \ */ +/* OBSOLETE ? 0 \ */ +/* OBSOLETE : (thisframe)->frame + (thisframe)->rsize) */ +/* OBSOLETE */ +/* OBSOLETE /* Determine if the frame has a 'previous' and back-traceable frame. */ */ +/* OBSOLETE #define FRAME_IS_UNCHAINED(frame) ((frame)->flags & TRANSPARENT_FRAME) */ +/* OBSOLETE */ +/* OBSOLETE /* Find the previous frame of a transparent routine. */ +/* OBSOLETE * For now lets not try and trace through a transparent routine (we might */ +/* OBSOLETE * have to assume that all transparent routines are traps). */ +/* OBSOLETE */ */ +/* OBSOLETE #define FIND_PREV_UNCHAINED_FRAME(frame) 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Define other aspects of the stack frame. */ */ +/* OBSOLETE */ +/* OBSOLETE /* An expression that tells us whether the function invocation represented */ +/* OBSOLETE by FI does not have a frame on the stack associated with it. */ */ +/* OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) \ */ +/* OBSOLETE (frameless_look_for_prologue (FI)) */ +/* OBSOLETE */ +/* OBSOLETE /* Saved pc (i.e. return address). */ */ +/* OBSOLETE #define FRAME_SAVED_PC(fraim) \ */ +/* OBSOLETE (read_register_stack_integer ((fraim)->frame + (fraim)->rsize, 4)) */ +/* OBSOLETE */ +/* OBSOLETE /* Local variables (i.e. LOC_LOCAL) are on the memory stack, with their */ +/* OBSOLETE offsets being relative to the memory stack pointer (high C) or */ +/* OBSOLETE saved_msp (gcc). */ */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) frame_locals_address (fi) */ +/* OBSOLETE extern CORE_ADDR frame_locals_address (); */ +/* OBSOLETE */ +/* OBSOLETE /* Return number of args passed to a frame. */ +/* OBSOLETE Can return -1, meaning no way to tell. */ */ +/* OBSOLETE /* We tried going to the effort of finding the tags word and getting */ +/* OBSOLETE the argcount field from it, to support debugging assembler code. */ +/* OBSOLETE Problem was, the "argcount" field never did hold the argument */ +/* OBSOLETE count. */ */ +/* OBSOLETE #define FRAME_NUM_ARGS(fi) (-1) */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) FRAME_LOCALS_ADDRESS (fi) */ +/* OBSOLETE */ +/* OBSOLETE /* Return number of bytes at start of arglist that are not really args. */ */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_ARGS_SKIP 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Provide our own get_saved_register. HAVE_REGISTER_WINDOWS is insufficient */ +/* OBSOLETE because registers get renumbered on the a29k without getting saved. */ */ +/* OBSOLETE */ +/* OBSOLETE struct frame_info; */ +/* OBSOLETE void a29k_get_saved_register (char *raw_buffer, int *optimized, */ +/* OBSOLETE CORE_ADDR * addrp, struct frame_info *frame, */ +/* OBSOLETE int regnum, enum lval_type *lvalp); */ +/* OBSOLETE #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ */ +/* OBSOLETE a29k_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) */ +/* OBSOLETE */ +/* OBSOLETE /* Call function stuff. */ */ +/* OBSOLETE /* *INDENT-OFF* */ */ +/* OBSOLETE /* The dummy frame looks like this (see also the general frame picture */ +/* OBSOLETE above): */ +/* OBSOLETE */ +/* OBSOLETE register stack */ +/* OBSOLETE */ +/* OBSOLETE | | frame for function */ +/* OBSOLETE | locals_sproc | executing at time */ +/* OBSOLETE |________________| of call_function. */ +/* OBSOLETE | | We must not disturb */ +/* OBSOLETE | args_out_sproc | it. */ +/* OBSOLETE memory stack |________________| */ +/* OBSOLETE |____lr1_sproc___|<-+ */ +/* OBSOLETE | | |__retaddr_sproc_| | <-- gr1 (at start) */ +/* OBSOLETE |____________|<-msp 0 <-----------mfp_dummy_____| | */ +/* OBSOLETE | | (at start) | save regs | | */ +/* OBSOLETE | arg_slop | | pc0,pc1 | | */ +/* OBSOLETE | | | pc2,lr0 sproc | | */ +/* OBSOLETE | (16 words) | | gr96-gr124 | | */ +/* OBSOLETE |____________|<-msp 1--after | sr160-sr162 | | */ +/* OBSOLETE | | PUSH_DUMMY_FRAME| sr128-sr135 | | */ +/* OBSOLETE | struct ret | |________________| | */ +/* OBSOLETE | 17+ | | | | */ +/* OBSOLETE |____________|<- lrp | args_out_dummy | | */ +/* OBSOLETE | struct ret | | (16 words) | | */ +/* OBSOLETE | 16 | |________________| | */ +/* OBSOLETE | (16 words) | |____lr1_dummy___|--+ */ +/* OBSOLETE |____________|<- msp 2--after |_retaddr_dummy__|<- gr1 after */ +/* OBSOLETE | | struct ret | | PUSH_DUMMY_FRAME */ +/* OBSOLETE | margs17+ | area allocated | locals_inf | */ +/* OBSOLETE | | |________________| called */ +/* OBSOLETE |____________|<- msp 4--when | | function's */ +/* OBSOLETE | | inf called | args_out_inf | frame (set up */ +/* OBSOLETE | margs16 | |________________| by called */ +/* OBSOLETE | (16 words) | |_____lr1_inf____| function). */ +/* OBSOLETE |____________|<- msp 3--after | . | */ +/* OBSOLETE | | args pushed | . | */ +/* OBSOLETE | | | . | */ +/* OBSOLETE | | */ +/* OBSOLETE */ +/* OBSOLETE arg_slop: This area is so that when the call dummy adds 16 words to */ +/* OBSOLETE the msp, it won't end up larger than mfp_dummy (it is needed in the */ +/* OBSOLETE case where margs and struct_ret do not add up to at least 16 words). */ +/* OBSOLETE struct ret: This area is allocated by GDB if the return value is more */ +/* OBSOLETE than 16 words. struct ret_16 is not used on the a29k. */ +/* OBSOLETE margs: Pushed by GDB. The call dummy copies the first 16 words to */ +/* OBSOLETE args_out_dummy. */ +/* OBSOLETE retaddr_sproc: Contains the PC at the time we call the function. */ +/* OBSOLETE set by PUSH_DUMMY_FRAME and read by POP_FRAME. */ +/* OBSOLETE retaddr_dummy: This points to a breakpoint instruction in the dummy. */ */ +/* OBSOLETE /* *INDENT-ON* */ */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Rsize for dummy frame, in bytes. */ */ +/* OBSOLETE */ +/* OBSOLETE /* Bytes for outgoing args, lr1, and retaddr. */ */ +/* OBSOLETE #define DUMMY_ARG (2 * 4 + 16 * 4) */ +/* OBSOLETE */ +/* OBSOLETE /* Number of special registers (sr128-) to save. */ */ +/* OBSOLETE #define DUMMY_SAVE_SR128 8 */ +/* OBSOLETE /* Number of special registers (sr160-) to save. */ */ +/* OBSOLETE #define DUMMY_SAVE_SR160 3 */ +/* OBSOLETE /* Number of general (gr96- or gr64-) registers to save. */ */ +/* OBSOLETE #define DUMMY_SAVE_GREGS 29 */ +/* OBSOLETE */ +/* OBSOLETE #define DUMMY_FRAME_RSIZE \ */ +/* OBSOLETE (4 /* mfp_dummy */ \ */ +/* OBSOLETE + 4 * 4 /* pc0, pc1, pc2, lr0 */ \ */ +/* OBSOLETE + DUMMY_SAVE_GREGS * 4 \ */ +/* OBSOLETE + DUMMY_SAVE_SR160 * 4 \ */ +/* OBSOLETE + DUMMY_SAVE_SR128 * 4 \ */ +/* OBSOLETE + DUMMY_ARG \ */ +/* OBSOLETE + 4 /* pad to doubleword */ ) */ +/* OBSOLETE */ +/* OBSOLETE /* Push an empty stack frame, to record the current PC, etc. */ */ +/* OBSOLETE */ +/* OBSOLETE #define PUSH_DUMMY_FRAME push_dummy_frame() */ +/* OBSOLETE extern void push_dummy_frame (); */ +/* OBSOLETE */ +/* OBSOLETE /* Discard from the stack the innermost frame, */ +/* OBSOLETE restoring all saved registers. */ */ +/* OBSOLETE */ +/* OBSOLETE #define POP_FRAME pop_frame() */ +/* OBSOLETE extern void pop_frame (); */ +/* OBSOLETE */ +/* OBSOLETE /* This sequence of words is the instructions */ +/* OBSOLETE mtsrim cr, 15 */ +/* OBSOLETE loadm 0, 0, lr2, msp ; load first 16 words of arguments into registers */ +/* OBSOLETE add msp, msp, 16 * 4 ; point to the remaining arguments */ +/* OBSOLETE CONST_INSN: */ +/* OBSOLETE const lr0,inf ; (replaced by half of target addr) */ +/* OBSOLETE consth lr0,inf ; (replaced by other half of target addr) */ +/* OBSOLETE calli lr0, lr0 */ +/* OBSOLETE aseq 0x40,gr1,gr1 ; nop */ +/* OBSOLETE BREAKPT_INSN: */ +/* OBSOLETE asneq 0x50,gr1,gr1 ; breakpoint (replaced by local breakpoint insn) */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE #error "This file is broken. GDB does not define HOST_BYTE_ORDER." */ +/* OBSOLETE #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER */ +/* OBSOLETE #define BS(const) const */ +/* OBSOLETE #else */ +/* OBSOLETE #define BS(const) (((const) & 0xff) << 24) | \ */ +/* OBSOLETE (((const) & 0xff00) << 8) | \ */ +/* OBSOLETE (((const) & 0xff0000) >> 8) | \ */ +/* OBSOLETE (((const) & 0xff000000) >> 24) */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Position of the "const" and blkt instructions within CALL_DUMMY in bytes. */ */ +/* OBSOLETE #define CONST_INSN (3 * 4) */ +/* OBSOLETE #define BREAKPT_INSN (7 * 4) */ +/* OBSOLETE #define CALL_DUMMY { \ */ +/* OBSOLETE BS(0x0400870f),\ */ +/* OBSOLETE BS(0x36008200|(MSP_HW_REGNUM)), \ */ +/* OBSOLETE BS(0x15000040|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16)), \ */ +/* OBSOLETE BS(0x03ff80ff), \ */ +/* OBSOLETE BS(0x02ff80ff), \ */ +/* OBSOLETE BS(0xc8008080), \ */ +/* OBSOLETE BS(0x70400101), \ */ +/* OBSOLETE BS(0x72500101)} */ +/* OBSOLETE #define CALL_DUMMY_LENGTH (8 * 4) */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */ */ +/* OBSOLETE */ +/* OBSOLETE /* Helper macro for FIX_CALL_DUMMY. WORDP is a long * which points to a */ +/* OBSOLETE word in target byte order; bits 0-7 and 16-23 of *WORDP are replaced with */ +/* OBSOLETE bits 0-7 and 8-15 of DATA (which is in host byte order). */ */ +/* OBSOLETE */ +/* OBSOLETE #if TARGET_BYTE_ORDER == BFD_ENDIAN_BIG */ +/* OBSOLETE #define STUFF_I16(WORDP, DATA) \ */ +/* OBSOLETE { \ */ +/* OBSOLETE *((char *)(WORDP) + 3) = ((DATA) & 0xff);\ */ +/* OBSOLETE *((char *)(WORDP) + 1) = (((DATA) >> 8) & 0xff);\ */ +/* OBSOLETE } */ +/* OBSOLETE #else /* Target is little endian. */ */ +/* OBSOLETE #define STUFF_I16(WORDP, DATA) \ */ +/* OBSOLETE { */ +/* OBSOLETE *(char *) (WORDP) = ((DATA) & 0xff); */ +/* OBSOLETE *((char *) (WORDP) + 2) = (((DATA) >> 8) & 0xff); */ +/* OBSOLETE } */ +/* OBSOLETE #endif /* Target is little endian. */ */ +/* OBSOLETE */ +/* OBSOLETE /* Insert the specified number of args and function address */ +/* OBSOLETE into a call sequence of the above form stored at DUMMYNAME. */ */ +/* OBSOLETE */ +/* OBSOLETE /* Currently this stuffs in the address of the function that we are calling. */ +/* OBSOLETE Since different a29k systems use different breakpoint instructions, it */ +/* OBSOLETE also stuffs BREAKPOINT in the right place (to avoid having to */ +/* OBSOLETE duplicate CALL_DUMMY in each tm-*.h file). */ */ +/* OBSOLETE */ +/* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */ +/* OBSOLETE {\ */ +/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN, fun); \ */ +/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16); \ */ +/* OBSOLETE /* FIXME memcpy ((char *)(dummyname) + BREAKPT_INSN, break_insn, 4); */ \ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* a29k architecture has separate data & instruction memories -- wired to */ +/* OBSOLETE different pins on the chip -- and can't execute the data memory. */ +/* OBSOLETE Also, there should be space after text_end; */ +/* OBSOLETE we won't get a SIGSEGV or scribble on data space. */ */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_LOCATION AFTER_TEXT_END */ +/* OBSOLETE */ +/* OBSOLETE /* Because of this, we need (as a kludge) to know the addresses of the */ +/* OBSOLETE text section. */ */ +/* OBSOLETE */ +/* OBSOLETE #define NEED_TEXT_START_END 1 */ +/* OBSOLETE */ +/* OBSOLETE /* How to translate register numbers in the .stab's into gdb's internal register */ +/* OBSOLETE numbers. We don't translate them, but we warn if an invalid register */ +/* OBSOLETE number is seen. Note that FIXME, we use the value "sym" as an implicit */ +/* OBSOLETE argument in printing the error message. It happens to be available where */ +/* OBSOLETE this macro is used. (This macro definition appeared in a late revision */ +/* OBSOLETE of gdb-3.91.6 and is not well tested. Also, it should be a "complaint".) */ */ +/* OBSOLETE */ +/* OBSOLETE #define STAB_REG_TO_REGNUM(num) \ */ +/* OBSOLETE (((num) > LR0_REGNUM + 127) \ */ +/* OBSOLETE ? fprintf(stderr, \ */ +/* OBSOLETE "Invalid register number %d in symbol table entry for %s\n", \ */ +/* OBSOLETE (num), SYMBOL_SOURCE_NAME (sym)), (num) \ */ +/* OBSOLETE : (num)) */ +/* OBSOLETE */ +/* OBSOLETE extern enum a29k_processor_types */ +/* OBSOLETE { */ +/* OBSOLETE a29k_unknown, */ +/* OBSOLETE */ +/* OBSOLETE /* Bit 0x400 of the CPS does *not* identify freeze mode, i.e. 29000, */ +/* OBSOLETE 29030, etc. */ */ +/* OBSOLETE a29k_no_freeze_mode, */ +/* OBSOLETE */ +/* OBSOLETE /* Bit 0x400 of the CPS does identify freeze mode, i.e. 29050. */ */ +/* OBSOLETE a29k_freeze_mode */ +/* OBSOLETE } */ +/* OBSOLETE processor_type; */ +/* OBSOLETE */ +/* OBSOLETE /* We need three arguments for a general frame specification for the */ +/* OBSOLETE "frame" or "info frame" command. */ */ +/* OBSOLETE */ +/* OBSOLETE #define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv) */ +/* OBSOLETE extern struct frame_info *setup_arbitrary_frame (int, CORE_ADDR *); */ diff --git a/gdb/config/a29k/tm-vx29k.h b/gdb/config/a29k/tm-vx29k.h index 8aee1dd57b8..40c668933f1 100644 --- a/gdb/config/a29k/tm-vx29k.h +++ b/gdb/config/a29k/tm-vx29k.h @@ -1,230 +1,230 @@ -/* Target machine description for VxWorks on the 29k, for GDB, the GNU debugger. - Copyright 1994, 1995, 1998, 1999, 2000 Free Software Foundation, Inc. - Contributed by Cygnus Support. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "regcache.h" -#include "value.h" -#include "a29k/tm-a29k.h" -#include "tm-vxworks.h" - -/* Number of registers in a ptrace_getregs call. */ - -#define VX_NUM_REGS (NUM_REGS) - -/* Number of registers in a ptrace_getfpregs call. */ - -/* #define VX_SIZE_FPREGS */ - -/* This is almost certainly the wrong place for this: */ -#define LR2_REGNUM 34 - - -/* Vxworks has its own CALL_DUMMY since it manages breakpoints in the kernel */ - -#undef CALL_DUMMY - -/* Replace the breakpoint instruction in the CALL_DUMMY with a nop. - For Vxworks, the breakpoint is set and deleted by calls to - CALL_DUMMY_BREAK_SET and CALL_DUMMY_BREAK_DELETE. */ - -#error "This file is broken. GDB does not define HOST_BYTE_ORDER." -#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER -#define CALL_DUMMY {0x0400870f,\ - 0x36008200|(MSP_HW_REGNUM), \ - 0x15000040|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16), \ - 0x03ff80ff, 0x02ff80ff, 0xc8008080, 0x70400101, 0x70400101} -#else /* Byte order differs. */ -#define CALL_DUMMY {0x0f870004,\ - 0x00820036|(MSP_HW_REGNUM << 24), \ - 0x40000015|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16), \ - 0xff80ff03, 0xff80ff02, 0x808000c8, 0x01014070, 0x01014070} -#endif /* Byte order differs. */ - - -/* For the basic CALL_DUMMY definitions, see "tm-29k.h." We use the - same CALL_DUMMY code, but define FIX_CALL_DUMMY (and related macros) - locally to handle remote debugging of VxWorks targets. The difference - is in the setting and clearing of the breakpoint at the end of the - CALL_DUMMY code fragment; under VxWorks, we can't simply insert a - breakpoint instruction into the code, since that would interfere with - the breakpoint management mechanism on the target. - Note that CALL_DUMMY is a piece of code that is used to call any C function - thru VxGDB */ - -/* The offset of the instruction within the CALL_DUMMY code where we - want the inferior to stop after the function call has completed. - call_function_by_hand () sets a breakpoint here (via CALL_DUMMY_BREAK_SET), - which POP_FRAME later deletes (via CALL_DUMMY_BREAK_DELETE). */ - -#define CALL_DUMMY_STOP_OFFSET (7 * 4) - -/* The offset of the first instruction of the CALL_DUMMY code fragment - relative to the frame pointer for a dummy frame. This is equal to - the size of the CALL_DUMMY plus the arg_slop area size (see the diagram - in "tm-29k.h"). */ -/* PAD : the arg_slop area size doesn't appear to me to be useful since, the - call dummy code no longer modify the msp. See below. This must be checked. */ - -#define CALL_DUMMY_OFFSET_IN_FRAME (CALL_DUMMY_LENGTH + 16 * 4) - -/* Insert the specified number of args and function address - into a CALL_DUMMY sequence stored at DUMMYNAME, replace the third - instruction (add msp, msp, 16*4) with a nop, and leave the final nop. - We can't keep using a CALL_DUMMY that modify the msp since, for VxWorks, - CALL_DUMMY is stored in the Memory Stack. Adding 16 words to the msp - would then make possible for the inferior to overwrite the CALL_DUMMY code, - thus creating a lot of trouble when exiting the inferior to come back in - a CALL_DUMMY code that no longer exists... Furthermore, ESF are also stored - from the msp in the memory stack. If msp is set higher than the dummy code, - an ESF may clobber this code. */ - -#if TARGET_BYTE_ORDER == BFD_ENDIAN_BIG -#define NOP_INSTR 0x70400101 -#else /* Target is little endian */ -#define NOP_INSTR 0x01014070 -#endif - -#undef FIX_CALL_DUMMY -#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ - { \ - *(int *)((char *)dummyname + 8) = NOP_INSTR; \ - STUFF_I16((char *)dummyname + CONST_INSN, fun); \ - STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16); \ - } - -/* For VxWorks, CALL_DUMMY must be stored in the stack of the task that is - being debugged and executed "in the context of" this task */ - -#undef CALL_DUMMY_LOCATION -#define CALL_DUMMY_LOCATION ON_STACK - -/* Set or delete a breakpoint at the location within a CALL_DUMMY code - fragment where we want the target program to stop after the function - call is complete. CALL_DUMMY_ADDR is the address of the first - instruction in the CALL_DUMMY. DUMMY_FRAME_ADDR is the value of the - frame pointer in the dummy frame. - - NOTE: in the both of the following definitions, we take advantage of - knowledge of the implementation of the target breakpoint operation, - in that we pass a null pointer as the second argument. It seems - reasonable to assume that any target requiring the use of - CALL_DUMMY_BREAK_{SET,DELETE} will not store the breakpoint - shadow contents in GDB; in any case, this assumption is vaild - for all VxWorks-related targets. */ - -#define CALL_DUMMY_BREAK_SET(call_dummy_addr) \ - target_insert_breakpoint ((call_dummy_addr) + CALL_DUMMY_STOP_OFFSET, \ - (char *) 0) - -#define CALL_DUMMY_BREAK_DELETE(dummy_frame_addr) \ - target_remove_breakpoint ((dummy_frame_addr) - (CALL_DUMMY_OFFSET_IN_FRAME \ - - CALL_DUMMY_STOP_OFFSET), \ - (char *) 0) - -/* Return nonzero if the pc is executing within a CALL_DUMMY frame. */ - -#define PC_IN_CALL_DUMMY(pc, sp, frame_address) \ - ((pc) >= (sp) \ - && (pc) <= (sp) + CALL_DUMMY_OFFSET_IN_FRAME + CALL_DUMMY_LENGTH) - -/* Defining this prevents us from trying to pass a structure-valued argument - to a function called via the CALL_DUMMY mechanism. This is not handled - properly in call_function_by_hand (), and the fix might require re-writing - the CALL_DUMMY handling for all targets (at least, a clean solution - would probably require this). Arguably, this should go in "tm-29k.h" - rather than here. */ - -#define STRUCT_VAL_ARGS_UNSUPPORTED - -#define BKPT_OFFSET (7 * 4) -#define BKPT_INSTR 0x72500101 - -#undef FIX_CALL_DUMMY -#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ - {\ - STUFF_I16((char *)dummyname + CONST_INSN, fun);\ - STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16);\ - *(int *)((char *)dummyname + BKPT_OFFSET) = BKPT_INSTR;\ - } - - -/* Offsets into jmp_buf. They are derived from VxWorks' REG_SET struct - (see VxWorks' setjmp.h). Note that Sun2, Sun3 and SunOS4 and VxWorks have - different REG_SET structs, hence different layouts for the jmp_buf struct. - Only JB_PC is needed for getting the saved PC value. */ - -#define JB_ELEMENT_SIZE 4 /* size of each element in jmp_buf */ -#define JB_PC 3 /* offset of pc (pc1) in jmp_buf */ - -/* Figure out where the longjmp will land. We expect that we have just entered - longjmp and haven't yet setup the stack frame, so the args are still in the - output regs. lr2 (LR2_REGNUM) points at the jmp_buf structure from which we - extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. - This routine returns true on success */ - -#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) -extern int get_longjmp_target (CORE_ADDR *); - -/* VxWorks adjusts the PC after a breakpoint has been hit. */ - -#undef DECR_PC_AFTER_BREAK -#define DECR_PC_AFTER_BREAK 0 - -/* Do whatever promotions are appropriate on a value being returned - from a function. VAL is the user-supplied value, and FUNC_TYPE - is the return type of the function if known, else 0. - - For the Am29k, as far as I understand, if the function return type is known, - cast the value to that type; otherwise, ensure that integer return values - fill all of gr96. - - This definition really belongs in "tm-29k.h", since it applies - to most Am29K-based systems; but once moved into that file, it might - need to be redefined for all Am29K-based targets that also redefine - STORE_RETURN_VALUE. For now, to be safe, we define it here. */ - -#define PROMOTE_RETURN_VALUE(val, func_type) \ - do { \ - if (func_type) \ - val = value_cast (func_type, val); \ - if ((TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT \ - || TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_ENUM) \ - && TYPE_LENGTH (VALUE_TYPE (val)) < REGISTER_RAW_SIZE (0)) \ - val = value_cast (builtin_type_int, val); \ - } while (0) - -extern int vx29k_frame_chain_valid (CORE_ADDR, struct frame_info *); -#define FRAME_CHAIN_VALID(chain, thisframe) vx29k_frame_chain_valid (chain, thisframe) - -extern CORE_ADDR frame_saved_call_site (); - -#undef PREPARE_TO_INIT_FRAME_INFO -#define PREPARE_TO_INIT_FRAME_INFO(fci) do { \ - long current_msp = read_register (MSP_REGNUM); \ - if (PC_IN_CALL_DUMMY (fci->pc, current_msp, 0)) \ - { \ - fci->rsize = DUMMY_FRAME_RSIZE; \ - fci->msize = 0; \ - fci->saved_msp = \ - read_register_stack_integer (fci->frame + DUMMY_FRAME_RSIZE - 4, 4); \ - fci->flags |= (TRANSPARENT|MFP_USED); \ - return; \ - } \ - } while (0) +/* OBSOLETE /* Target machine description for VxWorks on the 29k, for GDB, the GNU debugger. */ +/* OBSOLETE Copyright 1994, 1995, 1998, 1999, 2000 Free Software Foundation, Inc. */ +/* OBSOLETE Contributed by Cygnus Support. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ +/* OBSOLETE Boston, MA 02111-1307, USA. */ */ +/* OBSOLETE */ +/* OBSOLETE #include "regcache.h" */ +/* OBSOLETE #include "value.h" */ +/* OBSOLETE #include "a29k/tm-a29k.h" */ +/* OBSOLETE #include "tm-vxworks.h" */ +/* OBSOLETE */ +/* OBSOLETE /* Number of registers in a ptrace_getregs call. */ */ +/* OBSOLETE */ +/* OBSOLETE #define VX_NUM_REGS (NUM_REGS) */ +/* OBSOLETE */ +/* OBSOLETE /* Number of registers in a ptrace_getfpregs call. */ */ +/* OBSOLETE */ +/* OBSOLETE /* #define VX_SIZE_FPREGS */ */ +/* OBSOLETE */ +/* OBSOLETE /* This is almost certainly the wrong place for this: */ */ +/* OBSOLETE #define LR2_REGNUM 34 */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Vxworks has its own CALL_DUMMY since it manages breakpoints in the kernel */ */ +/* OBSOLETE */ +/* OBSOLETE #undef CALL_DUMMY */ +/* OBSOLETE */ +/* OBSOLETE /* Replace the breakpoint instruction in the CALL_DUMMY with a nop. */ +/* OBSOLETE For Vxworks, the breakpoint is set and deleted by calls to */ +/* OBSOLETE CALL_DUMMY_BREAK_SET and CALL_DUMMY_BREAK_DELETE. */ */ +/* OBSOLETE */ +/* OBSOLETE #error "This file is broken. GDB does not define HOST_BYTE_ORDER." */ +/* OBSOLETE #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER */ +/* OBSOLETE #define CALL_DUMMY {0x0400870f,\ */ +/* OBSOLETE 0x36008200|(MSP_HW_REGNUM), \ */ +/* OBSOLETE 0x15000040|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16), \ */ +/* OBSOLETE 0x03ff80ff, 0x02ff80ff, 0xc8008080, 0x70400101, 0x70400101} */ +/* OBSOLETE #else /* Byte order differs. */ */ +/* OBSOLETE #define CALL_DUMMY {0x0f870004,\ */ +/* OBSOLETE 0x00820036|(MSP_HW_REGNUM << 24), \ */ +/* OBSOLETE 0x40000015|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16), \ */ +/* OBSOLETE 0xff80ff03, 0xff80ff02, 0x808000c8, 0x01014070, 0x01014070} */ +/* OBSOLETE #endif /* Byte order differs. */ */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* For the basic CALL_DUMMY definitions, see "tm-29k.h." We use the */ +/* OBSOLETE same CALL_DUMMY code, but define FIX_CALL_DUMMY (and related macros) */ +/* OBSOLETE locally to handle remote debugging of VxWorks targets. The difference */ +/* OBSOLETE is in the setting and clearing of the breakpoint at the end of the */ +/* OBSOLETE CALL_DUMMY code fragment; under VxWorks, we can't simply insert a */ +/* OBSOLETE breakpoint instruction into the code, since that would interfere with */ +/* OBSOLETE the breakpoint management mechanism on the target. */ +/* OBSOLETE Note that CALL_DUMMY is a piece of code that is used to call any C function */ +/* OBSOLETE thru VxGDB */ */ +/* OBSOLETE */ +/* OBSOLETE /* The offset of the instruction within the CALL_DUMMY code where we */ +/* OBSOLETE want the inferior to stop after the function call has completed. */ +/* OBSOLETE call_function_by_hand () sets a breakpoint here (via CALL_DUMMY_BREAK_SET), */ +/* OBSOLETE which POP_FRAME later deletes (via CALL_DUMMY_BREAK_DELETE). */ */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_STOP_OFFSET (7 * 4) */ +/* OBSOLETE */ +/* OBSOLETE /* The offset of the first instruction of the CALL_DUMMY code fragment */ +/* OBSOLETE relative to the frame pointer for a dummy frame. This is equal to */ +/* OBSOLETE the size of the CALL_DUMMY plus the arg_slop area size (see the diagram */ +/* OBSOLETE in "tm-29k.h"). */ */ +/* OBSOLETE /* PAD : the arg_slop area size doesn't appear to me to be useful since, the */ +/* OBSOLETE call dummy code no longer modify the msp. See below. This must be checked. */ */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_OFFSET_IN_FRAME (CALL_DUMMY_LENGTH + 16 * 4) */ +/* OBSOLETE */ +/* OBSOLETE /* Insert the specified number of args and function address */ +/* OBSOLETE into a CALL_DUMMY sequence stored at DUMMYNAME, replace the third */ +/* OBSOLETE instruction (add msp, msp, 16*4) with a nop, and leave the final nop. */ +/* OBSOLETE We can't keep using a CALL_DUMMY that modify the msp since, for VxWorks, */ +/* OBSOLETE CALL_DUMMY is stored in the Memory Stack. Adding 16 words to the msp */ +/* OBSOLETE would then make possible for the inferior to overwrite the CALL_DUMMY code, */ +/* OBSOLETE thus creating a lot of trouble when exiting the inferior to come back in */ +/* OBSOLETE a CALL_DUMMY code that no longer exists... Furthermore, ESF are also stored */ +/* OBSOLETE from the msp in the memory stack. If msp is set higher than the dummy code, */ +/* OBSOLETE an ESF may clobber this code. */ */ +/* OBSOLETE */ +/* OBSOLETE #if TARGET_BYTE_ORDER == BFD_ENDIAN_BIG */ +/* OBSOLETE #define NOP_INSTR 0x70400101 */ +/* OBSOLETE #else /* Target is little endian */ */ +/* OBSOLETE #define NOP_INSTR 0x01014070 */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE #undef FIX_CALL_DUMMY */ +/* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */ +/* OBSOLETE { \ */ +/* OBSOLETE *(int *)((char *)dummyname + 8) = NOP_INSTR; \ */ +/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN, fun); \ */ +/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16); \ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* For VxWorks, CALL_DUMMY must be stored in the stack of the task that is */ +/* OBSOLETE being debugged and executed "in the context of" this task */ */ +/* OBSOLETE */ +/* OBSOLETE #undef CALL_DUMMY_LOCATION */ +/* OBSOLETE #define CALL_DUMMY_LOCATION ON_STACK */ +/* OBSOLETE */ +/* OBSOLETE /* Set or delete a breakpoint at the location within a CALL_DUMMY code */ +/* OBSOLETE fragment where we want the target program to stop after the function */ +/* OBSOLETE call is complete. CALL_DUMMY_ADDR is the address of the first */ +/* OBSOLETE instruction in the CALL_DUMMY. DUMMY_FRAME_ADDR is the value of the */ +/* OBSOLETE frame pointer in the dummy frame. */ +/* OBSOLETE */ +/* OBSOLETE NOTE: in the both of the following definitions, we take advantage of */ +/* OBSOLETE knowledge of the implementation of the target breakpoint operation, */ +/* OBSOLETE in that we pass a null pointer as the second argument. It seems */ +/* OBSOLETE reasonable to assume that any target requiring the use of */ +/* OBSOLETE CALL_DUMMY_BREAK_{SET,DELETE} will not store the breakpoint */ +/* OBSOLETE shadow contents in GDB; in any case, this assumption is vaild */ +/* OBSOLETE for all VxWorks-related targets. */ */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_BREAK_SET(call_dummy_addr) \ */ +/* OBSOLETE target_insert_breakpoint ((call_dummy_addr) + CALL_DUMMY_STOP_OFFSET, \ */ +/* OBSOLETE (char *) 0) */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_BREAK_DELETE(dummy_frame_addr) \ */ +/* OBSOLETE target_remove_breakpoint ((dummy_frame_addr) - (CALL_DUMMY_OFFSET_IN_FRAME \ */ +/* OBSOLETE - CALL_DUMMY_STOP_OFFSET), \ */ +/* OBSOLETE (char *) 0) */ +/* OBSOLETE */ +/* OBSOLETE /* Return nonzero if the pc is executing within a CALL_DUMMY frame. */ */ +/* OBSOLETE */ +/* OBSOLETE #define PC_IN_CALL_DUMMY(pc, sp, frame_address) \ */ +/* OBSOLETE ((pc) >= (sp) \ */ +/* OBSOLETE && (pc) <= (sp) + CALL_DUMMY_OFFSET_IN_FRAME + CALL_DUMMY_LENGTH) */ +/* OBSOLETE */ +/* OBSOLETE /* Defining this prevents us from trying to pass a structure-valued argument */ +/* OBSOLETE to a function called via the CALL_DUMMY mechanism. This is not handled */ +/* OBSOLETE properly in call_function_by_hand (), and the fix might require re-writing */ +/* OBSOLETE the CALL_DUMMY handling for all targets (at least, a clean solution */ +/* OBSOLETE would probably require this). Arguably, this should go in "tm-29k.h" */ +/* OBSOLETE rather than here. */ */ +/* OBSOLETE */ +/* OBSOLETE #define STRUCT_VAL_ARGS_UNSUPPORTED */ +/* OBSOLETE */ +/* OBSOLETE #define BKPT_OFFSET (7 * 4) */ +/* OBSOLETE #define BKPT_INSTR 0x72500101 */ +/* OBSOLETE */ +/* OBSOLETE #undef FIX_CALL_DUMMY */ +/* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */ +/* OBSOLETE {\ */ +/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN, fun);\ */ +/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16);\ */ +/* OBSOLETE *(int *)((char *)dummyname + BKPT_OFFSET) = BKPT_INSTR;\ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Offsets into jmp_buf. They are derived from VxWorks' REG_SET struct */ +/* OBSOLETE (see VxWorks' setjmp.h). Note that Sun2, Sun3 and SunOS4 and VxWorks have */ +/* OBSOLETE different REG_SET structs, hence different layouts for the jmp_buf struct. */ +/* OBSOLETE Only JB_PC is needed for getting the saved PC value. */ */ +/* OBSOLETE */ +/* OBSOLETE #define JB_ELEMENT_SIZE 4 /* size of each element in jmp_buf */ */ +/* OBSOLETE #define JB_PC 3 /* offset of pc (pc1) in jmp_buf */ */ +/* OBSOLETE */ +/* OBSOLETE /* Figure out where the longjmp will land. We expect that we have just entered */ +/* OBSOLETE longjmp and haven't yet setup the stack frame, so the args are still in the */ +/* OBSOLETE output regs. lr2 (LR2_REGNUM) points at the jmp_buf structure from which we */ +/* OBSOLETE extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. */ +/* OBSOLETE This routine returns true on success */ */ +/* OBSOLETE */ +/* OBSOLETE #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) */ +/* OBSOLETE extern int get_longjmp_target (CORE_ADDR *); */ +/* OBSOLETE */ +/* OBSOLETE /* VxWorks adjusts the PC after a breakpoint has been hit. */ */ +/* OBSOLETE */ +/* OBSOLETE #undef DECR_PC_AFTER_BREAK */ +/* OBSOLETE #define DECR_PC_AFTER_BREAK 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Do whatever promotions are appropriate on a value being returned */ +/* OBSOLETE from a function. VAL is the user-supplied value, and FUNC_TYPE */ +/* OBSOLETE is the return type of the function if known, else 0. */ +/* OBSOLETE */ +/* OBSOLETE For the Am29k, as far as I understand, if the function return type is known, */ +/* OBSOLETE cast the value to that type; otherwise, ensure that integer return values */ +/* OBSOLETE fill all of gr96. */ +/* OBSOLETE */ +/* OBSOLETE This definition really belongs in "tm-29k.h", since it applies */ +/* OBSOLETE to most Am29K-based systems; but once moved into that file, it might */ +/* OBSOLETE need to be redefined for all Am29K-based targets that also redefine */ +/* OBSOLETE STORE_RETURN_VALUE. For now, to be safe, we define it here. */ */ +/* OBSOLETE */ +/* OBSOLETE #define PROMOTE_RETURN_VALUE(val, func_type) \ */ +/* OBSOLETE do { \ */ +/* OBSOLETE if (func_type) \ */ +/* OBSOLETE val = value_cast (func_type, val); \ */ +/* OBSOLETE if ((TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT \ */ +/* OBSOLETE || TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_ENUM) \ */ +/* OBSOLETE && TYPE_LENGTH (VALUE_TYPE (val)) < REGISTER_RAW_SIZE (0)) \ */ +/* OBSOLETE val = value_cast (builtin_type_int, val); \ */ +/* OBSOLETE } while (0) */ +/* OBSOLETE */ +/* OBSOLETE extern int vx29k_frame_chain_valid (CORE_ADDR, struct frame_info *); */ +/* OBSOLETE #define FRAME_CHAIN_VALID(chain, thisframe) vx29k_frame_chain_valid (chain, thisframe) */ +/* OBSOLETE */ +/* OBSOLETE extern CORE_ADDR frame_saved_call_site (); */ +/* OBSOLETE */ +/* OBSOLETE #undef PREPARE_TO_INIT_FRAME_INFO */ +/* OBSOLETE #define PREPARE_TO_INIT_FRAME_INFO(fci) do { \ */ +/* OBSOLETE long current_msp = read_register (MSP_REGNUM); \ */ +/* OBSOLETE if (PC_IN_CALL_DUMMY (fci->pc, current_msp, 0)) \ */ +/* OBSOLETE { \ */ +/* OBSOLETE fci->rsize = DUMMY_FRAME_RSIZE; \ */ +/* OBSOLETE fci->msize = 0; \ */ +/* OBSOLETE fci->saved_msp = \ */ +/* OBSOLETE read_register_stack_integer (fci->frame + DUMMY_FRAME_RSIZE - 4, 4); \ */ +/* OBSOLETE fci->flags |= (TRANSPARENT|MFP_USED); \ */ +/* OBSOLETE return; \ */ +/* OBSOLETE } \ */ +/* OBSOLETE } while (0) */ diff --git a/gdb/config/a29k/vx29k.mt b/gdb/config/a29k/vx29k.mt index 4d6f5cc1e4b..95a169e4bb8 100644 --- a/gdb/config/a29k/vx29k.mt +++ b/gdb/config/a29k/vx29k.mt @@ -1,4 +1,4 @@ -# Target: AMD 29k running VxWorks -TDEPFILES= a29k-tdep.o remote-vx.o remote-vx29k.o xdr_ld.o xdr_ptrace.o xdr_rdb.o -TM_FILE= tm-vx29k.h -MT_CFLAGS = -DNO_HIF_SUPPORT +# OBSOLETE # Target: AMD 29k running VxWorks +# OBSOLETE TDEPFILES= a29k-tdep.o remote-vx.o remote-vx29k.o xdr_ld.o xdr_ptrace.o xdr_rdb.o +# OBSOLETE TM_FILE= tm-vx29k.h +# OBSOLETE MT_CFLAGS = -DNO_HIF_SUPPORT diff --git a/gdb/remote-adapt.c b/gdb/remote-adapt.c index 9d31d52b8fc..7e87360d178 100644 --- a/gdb/remote-adapt.c +++ b/gdb/remote-adapt.c @@ -1,1524 +1,1524 @@ -/* Remote debugging interface for AMD 290*0 Adapt Monitor Version 2.1d18. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, - 2001 Free Software Foundation, Inc. - Contributed by David Wood at New York University (wood@lab.ultra.nyu.edu). - Adapted from work done at Cygnus Support in remote-eb.c. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* This is like remote.c but is for an esoteric situation-- - having a 29k board attached to an Adapt inline monitor. - The monitor is connected via serial line to a unix machine - running gdb. - - 3/91 - developed on Sun3 OS 4.1, by David Wood - o - I can't get binary coff to load. - o - I can't get 19200 baud rate to work. - 7/91 o - Freeze mode tracing can be done on a 29050. */ - - - -#include "defs.h" -#include "gdb_string.h" -#include "inferior.h" -#include "value.h" -#include -#include -#include -#include -#include "terminal.h" -#include "target.h" -#include "gdbcore.h" -#include "regcache.h" - -/* This processor is getting rusty but I am trying to keep it - up to date at least with data structure changes. - Activate this block to compile just this file. - */ -#define COMPILE_CHECK 0 -#if COMPILE_CHECK -#define Q_REGNUM 0 -#define VAB_REGNUM 0 -#define CPS_REGNUM 0 -#define IPA_REGNUM 0 -#define IPB_REGNUM 0 -#define GR1_REGNUM 0 -#define LR0_REGNUM 0 -#define IPC_REGNUM 0 -#define CR_REGNUM 0 -#define BP_REGNUM 0 -#define FC_REGNUM 0 -#define INTE_REGNUM 0 -#define EXO_REGNUM 0 -#define GR96_REGNUM 0 -#define NPC_REGNUM -#define FPE_REGNUM 0 -#define PC2_REGNUM 0 -#define FPS_REGNUM 0 -#define ALU_REGNUM 0 -#define LRU_REGNUM 0 -#define TERMINAL int -#define RAW 1 -#define ANYP 1 -extern int a29k_freeze_mode; -extern int processor_type; -extern char *processor_name; -#endif - -/* External data declarations */ -extern int stop_soon_quietly; /* for wait_for_inferior */ - -/* Forward data declarations */ -extern struct target_ops adapt_ops; /* Forward declaration */ - -/* Forward function declarations */ -static void adapt_fetch_registers (); -static void adapt_store_registers (); -static void adapt_close (); -static int adapt_clear_breakpoints (); - -#define FREEZE_MODE (read_register(CPS_REGNUM) && 0x400) -#define USE_SHADOW_PC ((processor_type == a29k_freeze_mode) && FREEZE_MODE) - -/* Can't seem to get binary coff working */ -#define ASCII_COFF /* Adapt will be downloaded with ascii coff */ - -/* FIXME: Replace with `set remotedebug'. */ -#define LOG_FILE "adapt.log" -#if defined (LOG_FILE) -FILE *log_file = NULL; -#endif - -static int timeout = 5; -static char *dev_name; - -/* Descriptor for I/O to remote machine. Initialize it to -1 so that - adapt_open knows that we don't have a file open when the program - starts. */ -int adapt_desc = -1; - -/* stream which is fdopen'd from adapt_desc. Only valid when - adapt_desc != -1. */ -FILE *adapt_stream; - -#define ON 1 -#define OFF 0 -static void -rawmode (int desc, int turnon) -{ - - TERMINAL sg; - - if (desc < 0) - return; - - ioctl (desc, TIOCGETP, &sg); - - if (turnon) - { -#ifdef HAVE_TERMIO - sg.c_lflag &= ~(ICANON); -#else - sg.sg_flags |= RAW; -#endif - } - else - { -#ifdef HAVE_TERMIO - sg.c_lflag |= ICANON; -#else - sg.sg_flags &= ~(RAW); -#endif - } - ioctl (desc, TIOCSETP, &sg); -} - -/* Suck up all the input from the adapt */ -slurp_input (void) -{ - char buf[8]; - -#ifdef HAVE_TERMIO - /* termio does the timeout for us. */ - while (read (adapt_desc, buf, 8) > 0); -#else - alarm (timeout); - while (read (adapt_desc, buf, 8) > 0); - alarm (0); -#endif -} - -/* Read a character from the remote system, doing all the fancy - timeout stuff. */ -static int -readchar (void) -{ - char buf; - - buf = '\0'; -#ifdef HAVE_TERMIO - /* termio does the timeout for us. */ - read (adapt_desc, &buf, 1); -#else - alarm (timeout); - if (read (adapt_desc, &buf, 1) < 0) - { - if (errno == EINTR) - error ("Timeout reading from remote system."); - else - perror_with_name ("remote"); - } - alarm (0); -#endif - - if (buf == '\0') - error ("Timeout reading from remote system."); -#if defined (LOG_FILE) - putc (buf & 0x7f, log_file); -#endif - return buf & 0x7f; -} - -/* Keep discarding input from the remote system, until STRING is found. - Let the user break out immediately. */ -static void -expect (char *string) -{ - char *p = string; - - fflush (adapt_stream); - immediate_quit++; - while (1) - { - if (readchar () == *p) - { - p++; - if (*p == '\0') - { - immediate_quit--; - return; - } - } - else - p = string; - } -} - -/* Keep discarding input until we see the adapt prompt. - - The convention for dealing with the prompt is that you - o give your command - o *then* wait for the prompt. - - Thus the last thing that a procedure does with the serial line - will be an expect_prompt(). Exception: adapt_resume does not - wait for the prompt, because the terminal is being handed over - to the inferior. However, the next thing which happens after that - is a adapt_wait which does wait for the prompt. - Note that this includes abnormal exit, e.g. error(). This is - necessary to prevent getting into states from which we can't - recover. */ -static void -expect_prompt (void) -{ -#if defined (LOG_FILE) - /* This is a convenient place to do this. The idea is to do it often - enough that we never lose much data if we terminate abnormally. */ - fflush (log_file); -#endif - fflush (adapt_stream); - expect ("\n# "); -} - -/* Get a hex digit from the remote system & return its value. - If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */ -static int -get_hex_digit (int ignore_space) -{ - int ch; - while (1) - { - ch = readchar (); - if (ch >= '0' && ch <= '9') - return ch - '0'; - else if (ch >= 'A' && ch <= 'F') - return ch - 'A' + 10; - else if (ch >= 'a' && ch <= 'f') - return ch - 'a' + 10; - else if (ch == ' ' && ignore_space) - ; - else - { - expect_prompt (); - error ("Invalid hex digit from remote system."); - } - } -} - -/* Get a byte from adapt_desc and put it in *BYT. Accept any number - leading spaces. */ -static void -get_hex_byte (char *byt) -{ - int val; - - val = get_hex_digit (1) << 4; - val |= get_hex_digit (0); - *byt = val; -} - -/* Read a 32-bit hex word from the adapt, preceded by a space */ -static long -get_hex_word (void) -{ - long val; - int j; - - val = 0; - for (j = 0; j < 8; j++) - val = (val << 4) + get_hex_digit (j == 0); - return val; -} -/* Get N 32-bit hex words from remote, each preceded by a space - and put them in registers starting at REGNO. */ -static void -get_hex_regs (int n, int regno) -{ - long val; - while (n--) - { - val = get_hex_word (); - supply_register (regno++, (char *) &val); - } -} -/* Called when SIGALRM signal sent due to alarm() timeout. */ -#ifndef HAVE_TERMIO - -volatile int n_alarms; - -void -adapt_timer (void) -{ -#if 0 - if (kiodebug) - printf ("adapt_timer called\n"); -#endif - n_alarms++; -} -#endif - -/* malloc'd name of the program on the remote system. */ -static char *prog_name = NULL; - -/* Number of SIGTRAPs we need to simulate. That is, the next - NEED_ARTIFICIAL_TRAP calls to adapt_wait should just return - SIGTRAP without actually waiting for anything. */ - -static int need_artificial_trap = 0; - -void -adapt_kill (char *arg, int from_tty) -{ - fprintf (adapt_stream, "K"); - fprintf (adapt_stream, "\r"); - expect_prompt (); -} -/* - * Download a file specified in 'args', to the adapt. - * FIXME: Assumes the file to download is a binary coff file. - */ -static void -adapt_load (char *args, int fromtty) -{ - FILE *fp; - int n; - char buffer[1024]; - - if (!adapt_stream) - { - printf_filtered ("Adapt not open. Use 'target' command to open adapt\n"); - return; - } - - /* OK, now read in the file. Y=read, C=COFF, T=dTe port - 0=start address. */ - -#ifdef ASCII_COFF /* Ascii coff */ - fprintf (adapt_stream, "YA T,0\r"); - fflush (adapt_stream); /* Just in case */ - /* FIXME: should check args for only 1 argument */ - sprintf (buffer, "cat %s | btoa > /tmp/#adapt-btoa", args); - system (buffer); - fp = fopen ("/tmp/#adapt-btoa", "r"); - rawmode (adapt_desc, OFF); - while (n = fread (buffer, 1, 1024, fp)) - { - do - { - n -= write (adapt_desc, buffer, n); - } - while (n > 0); - if (n < 0) - { - perror ("writing ascii coff"); - break; - } - } - fclose (fp); - rawmode (adapt_desc, ON); - system ("rm /tmp/#adapt-btoa"); -#else /* Binary coff - can't get it to work . */ - fprintf (adapt_stream, "YC T,0\r"); - fflush (adapt_stream); /* Just in case */ - if (!(fp = fopen (args, "r"))) - { - printf_filtered ("Can't open %s\n", args); - return; - } - while (n = fread (buffer, 1, 512, fp)) - { - do - { - n -= write (adapt_desc, buffer, n); - } - while (n > 0); - if (n < 0) - { - perror ("writing ascii coff"); - break; - } - } - fclose (fp); -#endif - expect_prompt (); /* Skip garbage that comes out */ - fprintf (adapt_stream, "\r"); - expect_prompt (); -} - -/* This is called not only when we first attach, but also when the - user types "run" after having attached. */ -void -adapt_create_inferior (char *execfile, char *args, char **env) -{ - int entry_pt; - - if (args && *args) - error ("Can't pass arguments to remote adapt process."); - - if (execfile == 0 || exec_bfd == 0) - error ("No executable file specified"); - - entry_pt = (int) bfd_get_start_address (exec_bfd); - - if (adapt_stream) - { - adapt_kill (NULL, NULL); - adapt_clear_breakpoints (); - init_wait_for_inferior (); - /* Clear the input because what the adapt sends back is different - * depending on whether it was running or not. - */ - slurp_input (); /* After this there should be a prompt */ - fprintf (adapt_stream, "\r"); - expect_prompt (); - printf_filtered ("Do you want to download '%s' (y/n)? [y] : ", prog_name); - { - char buffer[10]; - gets (buffer); - if (*buffer != 'n') - { - adapt_load (prog_name, 0); - } - } - -#ifdef NOTDEF - /* Set the PC and wait for a go/cont */ - fprintf (adapt_stream, "G %x,N\r", entry_pt); - printf_filtered ("Now use the 'continue' command to start.\n"); - expect_prompt (); -#else - insert_breakpoints (); /* Needed to get correct instruction in cache */ - proceed (entry_pt, TARGET_SIGNAL_DEFAULT, 0); -#endif - - } - else - { - printf_filtered ("Adapt not open yet.\n"); - } -} - -/* Translate baud rates from integers to damn B_codes. Unix should - have outgrown this crap years ago, but even POSIX wouldn't buck it. */ - -#ifndef B19200 -#define B19200 EXTA -#endif -#ifndef B38400 -#define B38400 EXTB -#endif - -static struct -{ - int rate, damn_b; -} -baudtab[] = -{ - { - 0, B0 - } - , - { - 50, B50 - } - , - { - 75, B75 - } - , - { - 110, B110 - } - , - { - 134, B134 - } - , - { - 150, B150 - } - , - { - 200, B200 - } - , - { - 300, B300 - } - , - { - 600, B600 - } - , - { - 1200, B1200 - } - , - { - 1800, B1800 - } - , - { - 2400, B2400 - } - , - { - 4800, B4800 - } - , - { - 9600, B9600 - } - , - { - 19200, B19200 - } - , - { - 38400, B38400 - } - , - { - -1, -1 - } - , -}; - -static int -damn_b (int rate) -{ - int i; - - for (i = 0; baudtab[i].rate != -1; i++) - if (rate == baudtab[i].rate) - return baudtab[i].damn_b; - return B38400; /* Random */ -} - - -/* Open a connection to a remote debugger. - NAME is the filename used for communication, then a space, - then the baud rate. - */ - -static int baudrate = 9600; -static void -adapt_open (char *name, int from_tty) -{ - TERMINAL sg; - unsigned int prl; - char *p; - - /* Find the first whitespace character, it separates dev_name from - prog_name. */ - if (name == 0) - goto erroid; - - for (p = name; - *p != '\0' && !isspace (*p); p++) - ; - if (*p == '\0') - erroid: - error ("\ -Please include the name of the device for the serial port,\n\ -the baud rate, and the name of the program to run on the remote system."); - dev_name = (char *) xmalloc (p - name + 1); - strncpy (dev_name, name, p - name); - dev_name[p - name] = '\0'; - - /* Skip over the whitespace after dev_name */ - for (; isspace (*p); p++) - /*EMPTY */ ; - - if (1 != sscanf (p, "%d ", &baudrate)) - goto erroid; - - /* Skip the number and then the spaces */ - for (; isdigit (*p); p++) - /*EMPTY */ ; - for (; isspace (*p); p++) - /*EMPTY */ ; - - if (prog_name != NULL) - xfree (prog_name); - prog_name = savestring (p, strlen (p)); - - adapt_close (0); - - adapt_desc = open (dev_name, O_RDWR); - if (adapt_desc < 0) - perror_with_name (dev_name); - ioctl (adapt_desc, TIOCGETP, &sg); -#if ! defined(COMPILE_CHECK) -#ifdef HAVE_TERMIO - sg.c_cc[VMIN] = 0; /* read with timeout. */ - sg.c_cc[VTIME] = timeout * 10; - sg.c_lflag &= ~(ICANON | ECHO); - sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate); -#else - sg.sg_ispeed = damn_b (baudrate); - sg.sg_ospeed = damn_b (baudrate); - sg.sg_flags |= RAW | ANYP; - sg.sg_flags &= ~ECHO; -#endif - - ioctl (adapt_desc, TIOCSETP, &sg); - adapt_stream = fdopen (adapt_desc, "r+"); -#endif /* compile_check */ - push_target (&adapt_ops); - -#ifndef HAVE_TERMIO -#ifndef NO_SIGINTERRUPT - /* Cause SIGALRM's to make reads fail with EINTR instead of resuming - the read. */ - if (siginterrupt (SIGALRM, 1) != 0) - perror ("adapt_open: error in siginterrupt"); -#endif - - /* Set up read timeout timer. */ - if ((void (*)) signal (SIGALRM, adapt_timer) == (void (*)) -1) - perror ("adapt_open: error in signal"); -#endif - -#if defined (LOG_FILE) - log_file = fopen (LOG_FILE, "w"); - if (log_file == NULL) - perror_with_name (LOG_FILE); -#endif - - /* Put this port into NORMAL mode, send the 'normal' character */ - write (adapt_desc, "", 1); /* Control A */ - write (adapt_desc, "\r", 1); - expect_prompt (); - - /* Hello? Are you there? */ - write (adapt_desc, "\r", 1); - - expect_prompt (); - - /* Clear any break points */ - adapt_clear_breakpoints (); - - /* Print out some stuff, letting the user now what's going on */ - printf_filtered ("Connected to an Adapt via %s.\n", dev_name); - /* FIXME: can this restriction be removed? */ - printf_filtered ("Remote debugging using virtual addresses works only\n"); - printf_filtered ("\twhen virtual addresses map 1:1 to physical addresses.\n"); - if (processor_type != a29k_freeze_mode) - { - fprintf_filtered (gdb_stderr, - "Freeze-mode debugging not available, and can only be done on an A29050.\n"); - } -} - -/* Close out all files and local state before this target loses control. */ - -static void -adapt_close (int quitting) -{ - - /* Clear any break points */ - adapt_clear_breakpoints (); - - /* Put this port back into REMOTE mode */ - if (adapt_stream) - { - fflush (adapt_stream); - sleep (1); /* Let any output make it all the way back */ - write (adapt_desc, "R\r", 2); - } - - /* Due to a bug in Unix, fclose closes not only the stdio stream, - but also the file descriptor. So we don't actually close - adapt_desc. */ - if (adapt_stream) - fclose (adapt_stream); /* This also closes adapt_desc */ - if (adapt_desc >= 0) - /* close (adapt_desc); */ - - /* Do not try to close adapt_desc again, later in the program. */ - adapt_stream = NULL; - adapt_desc = -1; - -#if defined (LOG_FILE) - if (log_file) - { - if (ferror (log_file)) - printf_filtered ("Error writing log file.\n"); - if (fclose (log_file) != 0) - printf_filtered ("Error closing log file.\n"); - log_file = NULL; - } -#endif -} - -/* Attach to the target that is already loaded and possibly running */ -static void -adapt_attach (char *args, int from_tty) -{ - - if (from_tty) - printf_filtered ("Attaching to remote program %s.\n", prog_name); - - /* Send the adapt a kill. It is ok if it is not already running */ - fprintf (adapt_stream, "K\r"); - fflush (adapt_stream); - expect_prompt (); /* Slurp the echo */ -} - - -/* Terminate the open connection to the remote debugger. - Use this when you want to detach and do something else - with your gdb. */ -void -adapt_detach (char *args, int from_tty) -{ - - if (adapt_stream) - { /* Send it on its way (tell it to continue) */ - adapt_clear_breakpoints (); - fprintf (adapt_stream, "G\r"); - } - - pop_target (); /* calls adapt_close to do the real work */ - if (from_tty) - printf_filtered ("Ending remote %s debugging\n", target_shortname); -} - -/* Tell the remote machine to resume. */ - -void -adapt_resume (ptid_t ptid, int step, enum target_signal sig) -{ - if (step) - { - write (adapt_desc, "t 1,s\r", 6); - /* Wait for the echo. */ - expect ("t 1,s\r\n"); - /* Then comes a line containing the instruction we stepped to. */ - expect ("@"); - /* Then we get the prompt. */ - expect_prompt (); - - /* Force the next adapt_wait to return a trap. Not doing anything - about I/O from the target means that the user has to type - "continue" to see any. FIXME, this should be fixed. */ - need_artificial_trap = 1; - } - else - { - write (adapt_desc, "G\r", 2); - /* Swallow the echo. */ - expect_prompt (); - } -} - -/* Wait until the remote machine stops, then return, - storing status in STATUS just as `wait' would. */ - -ptid_t -adapt_wait (ptid_t ptid, struct target_waitstatus *status) -{ - /* Strings to look for. '?' means match any single character. - Note that with the algorithm we use, the initial character - of the string cannot recur in the string, or we will not - find some cases of the string in the input. */ - - static char bpt[] = "@"; - /* It would be tempting to look for "\n[__exit + 0x8]\n" - but that requires loading symbols with "yc i" and even if - we did do that we don't know that the file has symbols. */ - static char exitmsg[] = "@????????I JMPTI GR121,LR0"; - char *bp = bpt; - char *ep = exitmsg; - - /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */ - char swallowed[50]; - /* Current position in swallowed. */ - char *swallowed_p = swallowed; - - int ch; - int ch_handled; - int old_timeout = timeout; - int old_immediate_quit = immediate_quit; - - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - - if (need_artificial_trap != 0) - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - need_artificial_trap--; - return inferior_ptid; - } - - timeout = 0; /* Don't time out -- user program is running. */ - immediate_quit = 1; /* Helps ability to QUIT */ - while (1) - { - QUIT; /* Let user quit and leave process running */ - ch_handled = 0; - ch = readchar (); - if (ch == *bp) - { - bp++; - if (*bp == '\0') - break; - ch_handled = 1; - - *swallowed_p++ = ch; - } - else - bp = bpt; - if (ch == *ep || *ep == '?') - { - ep++; - if (*ep == '\0') - break; - - if (!ch_handled) - *swallowed_p++ = ch; - ch_handled = 1; - } - else - ep = exitmsg; - if (!ch_handled) - { - char *p; - /* Print out any characters which have been swallowed. */ - for (p = swallowed; p < swallowed_p; ++p) - putc (*p, stdout); - swallowed_p = swallowed; - putc (ch, stdout); - } - } - expect_prompt (); - if (*bp == '\0') - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - } - else - { - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - } - timeout = old_timeout; - immediate_quit = old_immediate_quit; - return inferior_ptid; -} - -/* Return the name of register number REGNO - in the form input and output by adapt. - - Returns a pointer to a static buffer containing the answer. */ -static char * -get_reg_name (int regno) -{ - static char buf[80]; - if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) - sprintf (buf, "GR%03d", regno - GR96_REGNUM + 96); -#if defined(GR64_REGNUM) - else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) - sprintf (buf, "GR%03d", regno - GR64_REGNUM + 64); -#endif - else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) - sprintf (buf, "LR%03d", regno - LR0_REGNUM); - else if (regno == Q_REGNUM) - strcpy (buf, "SR131"); - else if (regno >= BP_REGNUM && regno <= CR_REGNUM) - sprintf (buf, "SR%03d", regno - BP_REGNUM + 133); - else if (regno == ALU_REGNUM) - strcpy (buf, "SR132"); - else if (regno >= IPC_REGNUM && regno <= IPB_REGNUM) - sprintf (buf, "SR%03d", regno - IPC_REGNUM + 128); - else if (regno >= VAB_REGNUM && regno <= LRU_REGNUM) - { - /* When a 29050 is in freeze-mode, read shadow pcs instead */ - if ((regno >= NPC_REGNUM && regno <= PC2_REGNUM) && USE_SHADOW_PC) - sprintf (buf, "SR%03d", regno - NPC_REGNUM + 20); - else - sprintf (buf, "SR%03d", regno - VAB_REGNUM); - } - else if (regno == GR1_REGNUM) - strcpy (buf, "GR001"); - return buf; -} - -/* Read the remote registers. */ - -static void -adapt_fetch_registers (void) -{ - int reg_index; - int regnum_index; - char tempbuf[10]; - int sreg_buf[16]; - int i, j; - -/* - * Global registers - */ -#if defined(GR64_REGNUM) - write (adapt_desc, "dw gr64,gr95\r", 13); - for (reg_index = 64, regnum_index = GR64_REGNUM; - reg_index < 96; - reg_index += 4, regnum_index += 4) - { - sprintf (tempbuf, "GR%03d ", reg_index); - expect (tempbuf); - get_hex_regs (4, regnum_index); - expect ("\n"); - } -#endif - write (adapt_desc, "dw gr96,gr127\r", 14); - for (reg_index = 96, regnum_index = GR96_REGNUM; - reg_index < 128; - reg_index += 4, regnum_index += 4) - { - sprintf (tempbuf, "GR%03d ", reg_index); - expect (tempbuf); - get_hex_regs (4, regnum_index); - expect ("\n"); - } - -/* - * Local registers - */ - for (i = 0; i < 128; i += 32) - { - /* The PC has a tendency to hang if we get these - all in one fell swoop ("dw lr0,lr127"). */ - sprintf (tempbuf, "dw lr%d\r", i); - write (adapt_desc, tempbuf, strlen (tempbuf)); - for (reg_index = i, regnum_index = LR0_REGNUM + i; - reg_index < i + 32; - reg_index += 4, regnum_index += 4) - { - sprintf (tempbuf, "LR%03d ", reg_index); - expect (tempbuf); - get_hex_regs (4, regnum_index); - expect ("\n"); - } - } - -/* - * Special registers - */ - sprintf (tempbuf, "dw sr0\r"); - write (adapt_desc, tempbuf, strlen (tempbuf)); - for (i = 0; i < 4; i++) - { /* SR0 - SR14 */ - sprintf (tempbuf, "SR%3d", i * 4); - expect (tempbuf); - for (j = 0; j < (i == 3 ? 3 : 4); j++) - sreg_buf[i * 4 + j] = get_hex_word (); - } - expect_prompt (); - /* - * Read the pcs individually if we are in freeze mode. - * See get_reg_name(), it translates the register names for the pcs to - * the names of the shadow pcs. - */ - if (USE_SHADOW_PC) - { - sreg_buf[10] = read_register (NPC_REGNUM); /* pc0 */ - sreg_buf[11] = read_register (PC_REGNUM); /* pc1 */ - sreg_buf[12] = read_register (PC2_REGNUM); /* pc2 */ - } - for (i = 0; i < 14; i++) /* Supply vab -> lru */ - supply_register (VAB_REGNUM + i, (char *) &sreg_buf[i]); - sprintf (tempbuf, "dw sr128\r"); - write (adapt_desc, tempbuf, strlen (tempbuf)); - for (i = 0; i < 2; i++) - { /* SR128 - SR135 */ - sprintf (tempbuf, "SR%3d", 128 + i * 4); - expect (tempbuf); - for (j = 0; j < 4; j++) - sreg_buf[i * 4 + j] = get_hex_word (); - } - expect_prompt (); - supply_register (IPC_REGNUM, (char *) &sreg_buf[0]); - supply_register (IPA_REGNUM, (char *) &sreg_buf[1]); - supply_register (IPB_REGNUM, (char *) &sreg_buf[2]); - supply_register (Q_REGNUM, (char *) &sreg_buf[3]); - /* Skip ALU */ - supply_register (BP_REGNUM, (char *) &sreg_buf[5]); - supply_register (FC_REGNUM, (char *) &sreg_buf[6]); - supply_register (CR_REGNUM, (char *) &sreg_buf[7]); - - /* There doesn't seem to be any way to get these. */ - { - int val = -1; - supply_register (FPE_REGNUM, (char *) &val); - supply_register (INTE_REGNUM, (char *) &val); - supply_register (FPS_REGNUM, (char *) &val); - supply_register (EXO_REGNUM, (char *) &val); - } - - write (adapt_desc, "dw gr1,gr1\r", 11); - expect ("GR001 "); - get_hex_regs (1, GR1_REGNUM); - expect_prompt (); -} - -/* Fetch register REGNO, or all registers if REGNO is -1. - */ -static void -adapt_fetch_register (int regno) -{ - if (regno == -1) - adapt_fetch_registers (); - else - { - char *name = get_reg_name (regno); - fprintf (adapt_stream, "dw %s,%s\r", name, name); - expect (name); - expect (" "); - get_hex_regs (1, regno); - expect_prompt (); - } -} - -/* Store the remote registers from the contents of the block REGS. */ - -static void -adapt_store_registers (void) -{ - int i, j; - - fprintf (adapt_stream, "s gr1,%x\r", read_register (GR1_REGNUM)); - expect_prompt (); - -#if defined(GR64_REGNUM) - for (j = 0; j < 32; j += 16) - { - fprintf (adapt_stream, "s gr%d,", j + 64); - for (i = 0; i < 15; ++i) - fprintf (adapt_stream, "%x,", read_register (GR64_REGNUM + j + i)); - fprintf (adapt_stream, "%x\r", read_register (GR64_REGNUM + j + 15)); - expect_prompt (); - } -#endif - for (j = 0; j < 32; j += 16) - { - fprintf (adapt_stream, "s gr%d,", j + 96); - for (i = 0; i < 15; ++i) - fprintf (adapt_stream, "%x,", read_register (GR96_REGNUM + j + i)); - fprintf (adapt_stream, "%x\r", read_register (GR96_REGNUM + j + 15)); - expect_prompt (); - } - - for (j = 0; j < 128; j += 16) - { - fprintf (adapt_stream, "s lr%d,", j); - for (i = 0; i < 15; ++i) - fprintf (adapt_stream, "%x,", read_register (LR0_REGNUM + j + i)); - fprintf (adapt_stream, "%x\r", read_register (LR0_REGNUM + j + 15)); - expect_prompt (); - } - - fprintf (adapt_stream, "s sr128,%x,%x,%x\r", read_register (IPC_REGNUM), - read_register (IPA_REGNUM), read_register (IPB_REGNUM)); - expect_prompt (); - fprintf (adapt_stream, "s sr133,%x,%x,%x\r", read_register (BP_REGNUM), - read_register (FC_REGNUM), read_register (CR_REGNUM)); - expect_prompt (); - fprintf (adapt_stream, "s sr131,%x\r", read_register (Q_REGNUM)); - expect_prompt (); - fprintf (adapt_stream, "s sr0,"); - for (i = 0; i < 7; ++i) - fprintf (adapt_stream, "%x,", read_register (VAB_REGNUM + i)); - expect_prompt (); - fprintf (adapt_stream, "s sr7,"); - for (i = 7; i < 14; ++i) - fprintf (adapt_stream, "%x,", read_register (VAB_REGNUM + i)); - expect_prompt (); -} - -/* Store register REGNO, or all if REGNO == -1. - Return errno value. */ -void -adapt_store_register (int regno) -{ - /* printf("adapt_store_register() called.\n"); fflush(stdout); /* */ - if (regno == -1) - adapt_store_registers (); - else - { - char *name = get_reg_name (regno); - fprintf (adapt_stream, "s %s,%x\r", name, read_register (regno)); - /* Setting GR1 changes the numbers of all the locals, so - invalidate the register cache. Do this *after* calling - read_register, because we want read_register to return the - value that write_register has just stuffed into the registers - array, not the value of the register fetched from the - inferior. */ - if (regno == GR1_REGNUM) - registers_changed (); - expect_prompt (); - } -} - -/* Get ready to modify the registers array. On machines which store - individual registers, this doesn't need to do anything. On machines - which store all the registers in one fell swoop, this makes sure - that registers contains all the registers from the program being - debugged. */ - -void -adapt_prepare_to_store (void) -{ - /* Do nothing, since we can store individual regs */ -} - -static CORE_ADDR -translate_addr (CORE_ADDR addr) -{ -#if defined(KERNEL_DEBUGGING) - /* Check for a virtual address in the kernel */ - /* Assume physical address of ublock is in paddr_u register */ - if (addr >= UVADDR) - { - /* PADDR_U register holds the physical address of the ublock */ - CORE_ADDR i = (CORE_ADDR) read_register (PADDR_U_REGNUM); - return (i + addr - (CORE_ADDR) UVADDR); - } - else - { - return (addr); - } -#else - return (addr); -#endif -} - - -/* FIXME! Merge these two. */ -int -adapt_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, - struct mem_attrib *attrib ATTRIBUTE_UNUSED, - struct target_ops *target ATTRIBUTE_UNUSED) -{ - - memaddr = translate_addr (memaddr); - - if (write) - return adapt_write_inferior_memory (memaddr, myaddr, len); - else - return adapt_read_inferior_memory (memaddr, myaddr, len); -} - -void -adapt_files_info (void) -{ - printf_filtered ("\tAttached to %s at %d baud and running program %s\n", - dev_name, baudrate, prog_name); - printf_filtered ("\ton an %s processor.\n", processor_name[processor_type]); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. Returns errno value. - * sb/sh instructions don't work on unaligned addresses, when TU=1. - */ -int -adapt_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) -{ - int i; - unsigned int cps; - - /* Turn TU bit off so we can do 'sb' commands */ - cps = read_register (CPS_REGNUM); - if (cps & 0x00000800) - write_register (CPS_REGNUM, cps & ~(0x00000800)); - - for (i = 0; i < len; i++) - { - if ((i % 16) == 0) - fprintf (adapt_stream, "sb %x,", memaddr + i); - if ((i % 16) == 15 || i == len - 1) - { - fprintf (adapt_stream, "%x\r", ((unsigned char *) myaddr)[i]); - expect_prompt (); - } - else - fprintf (adapt_stream, "%x,", ((unsigned char *) myaddr)[i]); - } - /* Restore the old value of cps if the TU bit was on */ - if (cps & 0x00000800) - write_register (CPS_REGNUM, cps); - return len; -} - -/* Read LEN bytes from inferior memory at MEMADDR. Put the result - at debugger address MYADDR. Returns errno value. */ -int -adapt_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) -{ - int i; - - /* Number of bytes read so far. */ - int count; - - /* Starting address of this pass. */ - unsigned long startaddr; - - /* Number of bytes to read in this pass. */ - int len_this_pass; - - /* Note that this code works correctly if startaddr is just less - than UINT_MAX (well, really CORE_ADDR_MAX if there was such a - thing). That is, something like - adapt_read_bytes (CORE_ADDR_MAX - 4, foo, 4) - works--it never adds len to memaddr and gets 0. */ - /* However, something like - adapt_read_bytes (CORE_ADDR_MAX - 3, foo, 4) - doesn't need to work. Detect it and give up if there's an attempt - to do that. */ - - if (((memaddr - 1) + len) < memaddr) - return EIO; - - startaddr = memaddr; - count = 0; - while (count < len) - { - len_this_pass = 16; - if ((startaddr % 16) != 0) - len_this_pass -= startaddr % 16; - if (len_this_pass > (len - count)) - len_this_pass = (len - count); - - fprintf (adapt_stream, "db %x,%x\r", startaddr, - (startaddr - 1) + len_this_pass); - -#ifdef NOTDEF /* Why do this */ - expect ("\n"); - /* Look for 8 hex digits. */ - i = 0; - while (1) - { - if (isxdigit (readchar ())) - ++i; - else - { - expect_prompt (); - error ("Hex digit expected from remote system."); - } - if (i >= 8) - break; - } -#endif /* NOTDEF */ - - expect (" "); - - for (i = 0; i < len_this_pass; i++) - get_hex_byte (&myaddr[count++]); - - expect_prompt (); - - startaddr += len_this_pass; - } - return count; -} - -#define MAX_BREAKS 8 -static int num_brkpts = 0; - -/* Insert a breakpoint at ADDR. SAVE is normally the address of the - pattern buffer where the instruction that the breakpoint overwrites - is saved. It is unused here since the Adapt Monitor is responsible - for saving/restoring the original instruction. */ - -static int -adapt_insert_breakpoint (CORE_ADDR addr, char *save) -{ - if (num_brkpts < MAX_BREAKS) - { - num_brkpts++; - fprintf (adapt_stream, "B %x", addr); - fprintf (adapt_stream, "\r"); - expect_prompt (); - return (0); /* Success */ - } - else - { - fprintf_filtered (gdb_stderr, - "Too many break points, break point not installed\n"); - return (1); /* Failure */ - } - -} - -/* Remove a breakpoint at ADDR. SAVE is normally the previously - saved pattern, but is unused here as the Adapt Monitor is - responsible for saving/restoring instructions. */ - -static int -adapt_remove_breakpoint (CORE_ADDR addr, char *save) -{ - if (num_brkpts > 0) - { - num_brkpts--; - fprintf (adapt_stream, "BR %x", addr); - fprintf (adapt_stream, "\r"); - fflush (adapt_stream); - expect_prompt (); - } - return (0); -} - -/* Clear the adapts notion of what the break points are */ -static int -adapt_clear_breakpoints (void) -{ - if (adapt_stream) - { - fprintf (adapt_stream, "BR"); /* Clear all break points */ - fprintf (adapt_stream, "\r"); - fflush (adapt_stream); - expect_prompt (); - } - num_brkpts = 0; -} -static void -adapt_mourn (void) -{ - adapt_clear_breakpoints (); - pop_target (); /* Pop back to no-child state */ - generic_mourn_inferior (); -} - -/* Display everthing we read in from the adapt until we match/see the - * specified string - */ -static int -display_until (char *str) -{ - int i = 0, j, c; - - while (c = readchar ()) - { - if (c == str[i]) - { - i++; - if (i == strlen (str)) - return; - } - else - { - if (i) - { - for (j = 0; j < i; j++) /* Put everthing we matched */ - putchar (str[j]); - i = 0; - } - putchar (c); - } - } - -} - - -/* Put a command string, in args, out to the adapt. The adapt is assumed to - be in raw mode, all writing/reading done through adapt_desc. - Ouput from the adapt is placed on the users terminal until the - prompt from the adapt is seen. - FIXME: Can't handle commands that take input. */ - -void -adapt_com (char *args, int fromtty) -{ - if (!adapt_stream) - { - printf_filtered ("Adapt not open. Use the 'target' command to open.\n"); - return; - } - - /* Clear all input so only command relative output is displayed */ - slurp_input (); - - switch (islower (args[0]) ? toupper (args[0]) : args[0]) - { - default: - printf_filtered ("Unknown/Unimplemented adapt command '%s'\n", args); - break; - case 'G': /* Go, begin execution */ - write (adapt_desc, args, strlen (args)); - write (adapt_desc, "\r", 1); - expect_prompt (); - break; - case 'B': /* Break points, B or BR */ - case 'C': /* Check current 29k status (running/halted) */ - case 'D': /* Display data/registers */ - case 'I': /* Input from i/o space */ - case 'J': /* Jam an instruction */ - case 'K': /* Kill, stop execution */ - case 'L': /* Disassemble */ - case 'O': /* Output to i/o space */ - case 'T': /* Trace */ - case 'P': /* Pulse an input line */ - case 'X': /* Examine special purpose registers */ - case 'Z': /* Display trace buffer */ - write (adapt_desc, args, strlen (args)); - write (adapt_desc, "\r", 1); - expect (args); /* Don't display the command */ - display_until ("# "); - break; - /* Begin commands that take input in the form 'c x,y[,z...]' */ - case 'S': /* Set memory or register */ - if (strchr (args, ',')) - { /* Assume it is properly formatted */ - write (adapt_desc, args, strlen (args)); - write (adapt_desc, "\r", 1); - expect_prompt (); - } - break; - } -} - -/* Define the target subroutine names */ - -struct target_ops adapt_ops; - -static void -init_adapt_ops (void) -{ - adapt_ops.to_shortname = "adapt"; - adapt_ops.to_longname = "Remote AMD `Adapt' target"; - adapt_ops.to_doc = "Remote debug an AMD 290*0 using an `Adapt' monitor via RS232"; - adapt_ops.to_open = adapt_open; - adapt_ops.to_close = adapt_close; - adapt_ops.to_attach = adapt_attach; - adapt_ops.to_post_attach = NULL; - adapt_ops.to_require_attach = NULL; - adapt_ops.to_detach = adapt_detach; - adapt_ops.to_require_detach = NULL; - adapt_ops.to_resume = adapt_resume; - adapt_ops.to_wait = adapt_wait; - adapt_ops.to_post_wait = NULL; - adapt_ops.to_fetch_registers = adapt_fetch_register; - adapt_ops.to_store_registers = adapt_store_register; - adapt_ops.to_prepare_to_store = adapt_prepare_to_store; - adapt_ops.to_xfer_memory = adapt_xfer_inferior_memory; - adapt_ops.to_files_info = adapt_files_info; - adapt_ops.to_insert_breakpoint = adapt_insert_breakpoint; - adapt_ops.to_remove_breakpoint = adapt_remove_breakpoint; - adapt_ops.to_terminal_init = 0; - adapt_ops.to_terminal_inferior = 0; - adapt_ops.to_terminal_ours_for_output = 0; - adapt_ops.to_terminal_ours = 0; - adapt_ops.to_terminal_info = 0; - adapt_ops.to_kill = adapt_kill; - adapt_ops.to_load = adapt_load; - adapt_ops.to_lookup_symbol = 0; - adapt_ops.to_create_inferior = adapt_create_inferior; - adapt_ops.to_post_startup_inferior = NULL; - adapt_ops.to_acknowledge_created_inferior = NULL; - adapt_ops.to_clone_and_follow_inferior = NULL; - adapt_ops.to_post_follow_inferior_by_clone = NULL; - adapt_ops.to_insert_fork_catchpoint = NULL; - adapt_ops.to_remove_fork_catchpoint = NULL; - adapt_ops.to_insert_vfork_catchpoint = NULL; - adapt_ops.to_remove_vfork_catchpoint = NULL; - adapt_ops.to_has_forked = NULL; - adapt_ops.to_has_vforked = NULL; - adapt_ops.to_can_follow_vfork_prior_to_exec = NULL; - adapt_ops.to_post_follow_vfork = NULL; - adapt_ops.to_insert_exec_catchpoint = NULL; - adapt_ops.to_remove_exec_catchpoint = NULL; - adapt_ops.to_has_execd = NULL; - adapt_ops.to_reported_exec_events_per_exec_call = NULL; - adapt_ops.to_has_exited = NULL; - adapt_ops.to_mourn_inferior = adapt_mourn; - adapt_ops.to_can_run = 0; - adapt_ops.to_notice_signals = 0; - adapt_ops.to_thread_alive = 0; - adapt_ops.to_stop = 0; /* process_stratum; */ - adapt_ops.to_pid_to_exec_file = NULL; - adapt_ops.to_stratum = 0; - adapt_ops.DONT_USE = 0; - adapt_ops.to_has_all_memory = 1; - adapt_ops.to_has_memory = 1; - adapt_ops.to_has_stack = 1; - adapt_ops.to_has_registers = 1; - adapt_ops.to_has_execution = 0; - adapt_ops.to_sections = 0; - adapt_ops.to_sections_end = 0; - adapt_ops.to_magic = OPS_MAGIC; -} /* init_adapt_ops */ - -void -_initialize_remote_adapt (void) -{ - init_adapt_ops (); - add_target (&adapt_ops); - add_com ("adapt ", class_obscure, adapt_com, - "Send a command to the AMD Adapt remote monitor."); -} +/* OBSOLETE /* Remote debugging interface for AMD 290*0 Adapt Monitor Version 2.1d18. */ +/* OBSOLETE Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, */ +/* OBSOLETE 2001 Free Software Foundation, Inc. */ +/* OBSOLETE Contributed by David Wood at New York University (wood@lab.ultra.nyu.edu). */ +/* OBSOLETE Adapted from work done at Cygnus Support in remote-eb.c. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ +/* OBSOLETE Boston, MA 02111-1307, USA. */ */ +/* OBSOLETE */ +/* OBSOLETE /* This is like remote.c but is for an esoteric situation-- */ +/* OBSOLETE having a 29k board attached to an Adapt inline monitor. */ +/* OBSOLETE The monitor is connected via serial line to a unix machine */ +/* OBSOLETE running gdb. */ +/* OBSOLETE */ +/* OBSOLETE 3/91 - developed on Sun3 OS 4.1, by David Wood */ +/* OBSOLETE o - I can't get binary coff to load. */ +/* OBSOLETE o - I can't get 19200 baud rate to work. */ +/* OBSOLETE 7/91 o - Freeze mode tracing can be done on a 29050. */ */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE #include "defs.h" */ +/* OBSOLETE #include "gdb_string.h" */ +/* OBSOLETE #include "inferior.h" */ +/* OBSOLETE #include "value.h" */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include "terminal.h" */ +/* OBSOLETE #include "target.h" */ +/* OBSOLETE #include "gdbcore.h" */ +/* OBSOLETE #include "regcache.h" */ +/* OBSOLETE */ +/* OBSOLETE /* This processor is getting rusty but I am trying to keep it */ +/* OBSOLETE up to date at least with data structure changes. */ +/* OBSOLETE Activate this block to compile just this file. */ +/* OBSOLETE */ */ +/* OBSOLETE #define COMPILE_CHECK 0 */ +/* OBSOLETE #if COMPILE_CHECK */ +/* OBSOLETE #define Q_REGNUM 0 */ +/* OBSOLETE #define VAB_REGNUM 0 */ +/* OBSOLETE #define CPS_REGNUM 0 */ +/* OBSOLETE #define IPA_REGNUM 0 */ +/* OBSOLETE #define IPB_REGNUM 0 */ +/* OBSOLETE #define GR1_REGNUM 0 */ +/* OBSOLETE #define LR0_REGNUM 0 */ +/* OBSOLETE #define IPC_REGNUM 0 */ +/* OBSOLETE #define CR_REGNUM 0 */ +/* OBSOLETE #define BP_REGNUM 0 */ +/* OBSOLETE #define FC_REGNUM 0 */ +/* OBSOLETE #define INTE_REGNUM 0 */ +/* OBSOLETE #define EXO_REGNUM 0 */ +/* OBSOLETE #define GR96_REGNUM 0 */ +/* OBSOLETE #define NPC_REGNUM */ +/* OBSOLETE #define FPE_REGNUM 0 */ +/* OBSOLETE #define PC2_REGNUM 0 */ +/* OBSOLETE #define FPS_REGNUM 0 */ +/* OBSOLETE #define ALU_REGNUM 0 */ +/* OBSOLETE #define LRU_REGNUM 0 */ +/* OBSOLETE #define TERMINAL int */ +/* OBSOLETE #define RAW 1 */ +/* OBSOLETE #define ANYP 1 */ +/* OBSOLETE extern int a29k_freeze_mode; */ +/* OBSOLETE extern int processor_type; */ +/* OBSOLETE extern char *processor_name; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* External data declarations */ */ +/* OBSOLETE extern int stop_soon_quietly; /* for wait_for_inferior */ */ +/* OBSOLETE */ +/* OBSOLETE /* Forward data declarations */ */ +/* OBSOLETE extern struct target_ops adapt_ops; /* Forward declaration */ */ +/* OBSOLETE */ +/* OBSOLETE /* Forward function declarations */ */ +/* OBSOLETE static void adapt_fetch_registers (); */ +/* OBSOLETE static void adapt_store_registers (); */ +/* OBSOLETE static void adapt_close (); */ +/* OBSOLETE static int adapt_clear_breakpoints (); */ +/* OBSOLETE */ +/* OBSOLETE #define FREEZE_MODE (read_register(CPS_REGNUM) && 0x400) */ +/* OBSOLETE #define USE_SHADOW_PC ((processor_type == a29k_freeze_mode) && FREEZE_MODE) */ +/* OBSOLETE */ +/* OBSOLETE /* Can't seem to get binary coff working */ */ +/* OBSOLETE #define ASCII_COFF /* Adapt will be downloaded with ascii coff */ */ +/* OBSOLETE */ +/* OBSOLETE /* FIXME: Replace with `set remotedebug'. */ */ +/* OBSOLETE #define LOG_FILE "adapt.log" */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE FILE *log_file = NULL; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE static int timeout = 5; */ +/* OBSOLETE static char *dev_name; */ +/* OBSOLETE */ +/* OBSOLETE /* Descriptor for I/O to remote machine. Initialize it to -1 so that */ +/* OBSOLETE adapt_open knows that we don't have a file open when the program */ +/* OBSOLETE starts. */ */ +/* OBSOLETE int adapt_desc = -1; */ +/* OBSOLETE */ +/* OBSOLETE /* stream which is fdopen'd from adapt_desc. Only valid when */ +/* OBSOLETE adapt_desc != -1. */ */ +/* OBSOLETE FILE *adapt_stream; */ +/* OBSOLETE */ +/* OBSOLETE #define ON 1 */ +/* OBSOLETE #define OFF 0 */ +/* OBSOLETE static void */ +/* OBSOLETE rawmode (int desc, int turnon) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE TERMINAL sg; */ +/* OBSOLETE */ +/* OBSOLETE if (desc < 0) */ +/* OBSOLETE return; */ +/* OBSOLETE */ +/* OBSOLETE ioctl (desc, TIOCGETP, &sg); */ +/* OBSOLETE */ +/* OBSOLETE if (turnon) */ +/* OBSOLETE { */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE sg.c_lflag &= ~(ICANON); */ +/* OBSOLETE #else */ +/* OBSOLETE sg.sg_flags |= RAW; */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE sg.c_lflag |= ICANON; */ +/* OBSOLETE #else */ +/* OBSOLETE sg.sg_flags &= ~(RAW); */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE ioctl (desc, TIOCSETP, &sg); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Suck up all the input from the adapt */ */ +/* OBSOLETE slurp_input (void) */ +/* OBSOLETE { */ +/* OBSOLETE char buf[8]; */ +/* OBSOLETE */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE /* termio does the timeout for us. */ */ +/* OBSOLETE while (read (adapt_desc, buf, 8) > 0); */ +/* OBSOLETE #else */ +/* OBSOLETE alarm (timeout); */ +/* OBSOLETE while (read (adapt_desc, buf, 8) > 0); */ +/* OBSOLETE alarm (0); */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Read a character from the remote system, doing all the fancy */ +/* OBSOLETE timeout stuff. */ */ +/* OBSOLETE static int */ +/* OBSOLETE readchar (void) */ +/* OBSOLETE { */ +/* OBSOLETE char buf; */ +/* OBSOLETE */ +/* OBSOLETE buf = '\0'; */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE /* termio does the timeout for us. */ */ +/* OBSOLETE read (adapt_desc, &buf, 1); */ +/* OBSOLETE #else */ +/* OBSOLETE alarm (timeout); */ +/* OBSOLETE if (read (adapt_desc, &buf, 1) < 0) */ +/* OBSOLETE { */ +/* OBSOLETE if (errno == EINTR) */ +/* OBSOLETE error ("Timeout reading from remote system."); */ +/* OBSOLETE else */ +/* OBSOLETE perror_with_name ("remote"); */ +/* OBSOLETE } */ +/* OBSOLETE alarm (0); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE if (buf == '\0') */ +/* OBSOLETE error ("Timeout reading from remote system."); */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE putc (buf & 0x7f, log_file); */ +/* OBSOLETE #endif */ +/* OBSOLETE return buf & 0x7f; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Keep discarding input from the remote system, until STRING is found. */ +/* OBSOLETE Let the user break out immediately. */ */ +/* OBSOLETE static void */ +/* OBSOLETE expect (char *string) */ +/* OBSOLETE { */ +/* OBSOLETE char *p = string; */ +/* OBSOLETE */ +/* OBSOLETE fflush (adapt_stream); */ +/* OBSOLETE immediate_quit++; */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE if (readchar () == *p) */ +/* OBSOLETE { */ +/* OBSOLETE p++; */ +/* OBSOLETE if (*p == '\0') */ +/* OBSOLETE { */ +/* OBSOLETE immediate_quit--; */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE p = string; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Keep discarding input until we see the adapt prompt. */ +/* OBSOLETE */ +/* OBSOLETE The convention for dealing with the prompt is that you */ +/* OBSOLETE o give your command */ +/* OBSOLETE o *then* wait for the prompt. */ +/* OBSOLETE */ +/* OBSOLETE Thus the last thing that a procedure does with the serial line */ +/* OBSOLETE will be an expect_prompt(). Exception: adapt_resume does not */ +/* OBSOLETE wait for the prompt, because the terminal is being handed over */ +/* OBSOLETE to the inferior. However, the next thing which happens after that */ +/* OBSOLETE is a adapt_wait which does wait for the prompt. */ +/* OBSOLETE Note that this includes abnormal exit, e.g. error(). This is */ +/* OBSOLETE necessary to prevent getting into states from which we can't */ +/* OBSOLETE recover. */ */ +/* OBSOLETE static void */ +/* OBSOLETE expect_prompt (void) */ +/* OBSOLETE { */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE /* This is a convenient place to do this. The idea is to do it often */ +/* OBSOLETE enough that we never lose much data if we terminate abnormally. */ */ +/* OBSOLETE fflush (log_file); */ +/* OBSOLETE #endif */ +/* OBSOLETE fflush (adapt_stream); */ +/* OBSOLETE expect ("\n# "); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get a hex digit from the remote system & return its value. */ +/* OBSOLETE If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */ */ +/* OBSOLETE static int */ +/* OBSOLETE get_hex_digit (int ignore_space) */ +/* OBSOLETE { */ +/* OBSOLETE int ch; */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE ch = readchar (); */ +/* OBSOLETE if (ch >= '0' && ch <= '9') */ +/* OBSOLETE return ch - '0'; */ +/* OBSOLETE else if (ch >= 'A' && ch <= 'F') */ +/* OBSOLETE return ch - 'A' + 10; */ +/* OBSOLETE else if (ch >= 'a' && ch <= 'f') */ +/* OBSOLETE return ch - 'a' + 10; */ +/* OBSOLETE else if (ch == ' ' && ignore_space) */ +/* OBSOLETE ; */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE error ("Invalid hex digit from remote system."); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get a byte from adapt_desc and put it in *BYT. Accept any number */ +/* OBSOLETE leading spaces. */ */ +/* OBSOLETE static void */ +/* OBSOLETE get_hex_byte (char *byt) */ +/* OBSOLETE { */ +/* OBSOLETE int val; */ +/* OBSOLETE */ +/* OBSOLETE val = get_hex_digit (1) << 4; */ +/* OBSOLETE val |= get_hex_digit (0); */ +/* OBSOLETE *byt = val; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Read a 32-bit hex word from the adapt, preceded by a space */ */ +/* OBSOLETE static long */ +/* OBSOLETE get_hex_word (void) */ +/* OBSOLETE { */ +/* OBSOLETE long val; */ +/* OBSOLETE int j; */ +/* OBSOLETE */ +/* OBSOLETE val = 0; */ +/* OBSOLETE for (j = 0; j < 8; j++) */ +/* OBSOLETE val = (val << 4) + get_hex_digit (j == 0); */ +/* OBSOLETE return val; */ +/* OBSOLETE } */ +/* OBSOLETE /* Get N 32-bit hex words from remote, each preceded by a space */ +/* OBSOLETE and put them in registers starting at REGNO. */ */ +/* OBSOLETE static void */ +/* OBSOLETE get_hex_regs (int n, int regno) */ +/* OBSOLETE { */ +/* OBSOLETE long val; */ +/* OBSOLETE while (n--) */ +/* OBSOLETE { */ +/* OBSOLETE val = get_hex_word (); */ +/* OBSOLETE supply_register (regno++, (char *) &val); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE /* Called when SIGALRM signal sent due to alarm() timeout. */ */ +/* OBSOLETE #ifndef HAVE_TERMIO */ +/* OBSOLETE */ +/* OBSOLETE volatile int n_alarms; */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE adapt_timer (void) */ +/* OBSOLETE { */ +/* OBSOLETE #if 0 */ +/* OBSOLETE if (kiodebug) */ +/* OBSOLETE printf ("adapt_timer called\n"); */ +/* OBSOLETE #endif */ +/* OBSOLETE n_alarms++; */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* malloc'd name of the program on the remote system. */ */ +/* OBSOLETE static char *prog_name = NULL; */ +/* OBSOLETE */ +/* OBSOLETE /* Number of SIGTRAPs we need to simulate. That is, the next */ +/* OBSOLETE NEED_ARTIFICIAL_TRAP calls to adapt_wait should just return */ +/* OBSOLETE SIGTRAP without actually waiting for anything. */ */ +/* OBSOLETE */ +/* OBSOLETE static int need_artificial_trap = 0; */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE adapt_kill (char *arg, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (adapt_stream, "K"); */ +/* OBSOLETE fprintf (adapt_stream, "\r"); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE /* */ +/* OBSOLETE * Download a file specified in 'args', to the adapt. */ +/* OBSOLETE * FIXME: Assumes the file to download is a binary coff file. */ +/* OBSOLETE */ */ +/* OBSOLETE static void */ +/* OBSOLETE adapt_load (char *args, int fromtty) */ +/* OBSOLETE { */ +/* OBSOLETE FILE *fp; */ +/* OBSOLETE int n; */ +/* OBSOLETE char buffer[1024]; */ +/* OBSOLETE */ +/* OBSOLETE if (!adapt_stream) */ +/* OBSOLETE { */ +/* OBSOLETE printf_filtered ("Adapt not open. Use 'target' command to open adapt\n"); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* OK, now read in the file. Y=read, C=COFF, T=dTe port */ +/* OBSOLETE 0=start address. */ */ +/* OBSOLETE */ +/* OBSOLETE #ifdef ASCII_COFF /* Ascii coff */ */ +/* OBSOLETE fprintf (adapt_stream, "YA T,0\r"); */ +/* OBSOLETE fflush (adapt_stream); /* Just in case */ */ +/* OBSOLETE /* FIXME: should check args for only 1 argument */ */ +/* OBSOLETE sprintf (buffer, "cat %s | btoa > /tmp/#adapt-btoa", args); */ +/* OBSOLETE system (buffer); */ +/* OBSOLETE fp = fopen ("/tmp/#adapt-btoa", "r"); */ +/* OBSOLETE rawmode (adapt_desc, OFF); */ +/* OBSOLETE while (n = fread (buffer, 1, 1024, fp)) */ +/* OBSOLETE { */ +/* OBSOLETE do */ +/* OBSOLETE { */ +/* OBSOLETE n -= write (adapt_desc, buffer, n); */ +/* OBSOLETE } */ +/* OBSOLETE while (n > 0); */ +/* OBSOLETE if (n < 0) */ +/* OBSOLETE { */ +/* OBSOLETE perror ("writing ascii coff"); */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE fclose (fp); */ +/* OBSOLETE rawmode (adapt_desc, ON); */ +/* OBSOLETE system ("rm /tmp/#adapt-btoa"); */ +/* OBSOLETE #else /* Binary coff - can't get it to work . */ */ +/* OBSOLETE fprintf (adapt_stream, "YC T,0\r"); */ +/* OBSOLETE fflush (adapt_stream); /* Just in case */ */ +/* OBSOLETE if (!(fp = fopen (args, "r"))) */ +/* OBSOLETE { */ +/* OBSOLETE printf_filtered ("Can't open %s\n", args); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE while (n = fread (buffer, 1, 512, fp)) */ +/* OBSOLETE { */ +/* OBSOLETE do */ +/* OBSOLETE { */ +/* OBSOLETE n -= write (adapt_desc, buffer, n); */ +/* OBSOLETE } */ +/* OBSOLETE while (n > 0); */ +/* OBSOLETE if (n < 0) */ +/* OBSOLETE { */ +/* OBSOLETE perror ("writing ascii coff"); */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE fclose (fp); */ +/* OBSOLETE #endif */ +/* OBSOLETE expect_prompt (); /* Skip garbage that comes out */ */ +/* OBSOLETE fprintf (adapt_stream, "\r"); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* This is called not only when we first attach, but also when the */ +/* OBSOLETE user types "run" after having attached. */ */ +/* OBSOLETE void */ +/* OBSOLETE adapt_create_inferior (char *execfile, char *args, char **env) */ +/* OBSOLETE { */ +/* OBSOLETE int entry_pt; */ +/* OBSOLETE */ +/* OBSOLETE if (args && *args) */ +/* OBSOLETE error ("Can't pass arguments to remote adapt process."); */ +/* OBSOLETE */ +/* OBSOLETE if (execfile == 0 || exec_bfd == 0) */ +/* OBSOLETE error ("No executable file specified"); */ +/* OBSOLETE */ +/* OBSOLETE entry_pt = (int) bfd_get_start_address (exec_bfd); */ +/* OBSOLETE */ +/* OBSOLETE if (adapt_stream) */ +/* OBSOLETE { */ +/* OBSOLETE adapt_kill (NULL, NULL); */ +/* OBSOLETE adapt_clear_breakpoints (); */ +/* OBSOLETE init_wait_for_inferior (); */ +/* OBSOLETE /* Clear the input because what the adapt sends back is different */ +/* OBSOLETE * depending on whether it was running or not. */ +/* OBSOLETE */ */ +/* OBSOLETE slurp_input (); /* After this there should be a prompt */ */ +/* OBSOLETE fprintf (adapt_stream, "\r"); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE printf_filtered ("Do you want to download '%s' (y/n)? [y] : ", prog_name); */ +/* OBSOLETE { */ +/* OBSOLETE char buffer[10]; */ +/* OBSOLETE gets (buffer); */ +/* OBSOLETE if (*buffer != 'n') */ +/* OBSOLETE { */ +/* OBSOLETE adapt_load (prog_name, 0); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE #ifdef NOTDEF */ +/* OBSOLETE /* Set the PC and wait for a go/cont */ */ +/* OBSOLETE fprintf (adapt_stream, "G %x,N\r", entry_pt); */ +/* OBSOLETE printf_filtered ("Now use the 'continue' command to start.\n"); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE #else */ +/* OBSOLETE insert_breakpoints (); /* Needed to get correct instruction in cache */ */ +/* OBSOLETE proceed (entry_pt, TARGET_SIGNAL_DEFAULT, 0); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE printf_filtered ("Adapt not open yet.\n"); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Translate baud rates from integers to damn B_codes. Unix should */ +/* OBSOLETE have outgrown this crap years ago, but even POSIX wouldn't buck it. */ */ +/* OBSOLETE */ +/* OBSOLETE #ifndef B19200 */ +/* OBSOLETE #define B19200 EXTA */ +/* OBSOLETE #endif */ +/* OBSOLETE #ifndef B38400 */ +/* OBSOLETE #define B38400 EXTB */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE static struct */ +/* OBSOLETE { */ +/* OBSOLETE int rate, damn_b; */ +/* OBSOLETE } */ +/* OBSOLETE baudtab[] = */ +/* OBSOLETE { */ +/* OBSOLETE { */ +/* OBSOLETE 0, B0 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 50, B50 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 75, B75 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 110, B110 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 134, B134 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 150, B150 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 200, B200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 300, B300 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 600, B600 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 1200, B1200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 1800, B1800 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 2400, B2400 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 4800, B4800 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 9600, B9600 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 19200, B19200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 38400, B38400 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE -1, -1 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE }; */ +/* OBSOLETE */ +/* OBSOLETE static int */ +/* OBSOLETE damn_b (int rate) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; baudtab[i].rate != -1; i++) */ +/* OBSOLETE if (rate == baudtab[i].rate) */ +/* OBSOLETE return baudtab[i].damn_b; */ +/* OBSOLETE return B38400; /* Random */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Open a connection to a remote debugger. */ +/* OBSOLETE NAME is the filename used for communication, then a space, */ +/* OBSOLETE then the baud rate. */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE static int baudrate = 9600; */ +/* OBSOLETE static void */ +/* OBSOLETE adapt_open (char *name, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE TERMINAL sg; */ +/* OBSOLETE unsigned int prl; */ +/* OBSOLETE char *p; */ +/* OBSOLETE */ +/* OBSOLETE /* Find the first whitespace character, it separates dev_name from */ +/* OBSOLETE prog_name. */ */ +/* OBSOLETE if (name == 0) */ +/* OBSOLETE goto erroid; */ +/* OBSOLETE */ +/* OBSOLETE for (p = name; */ +/* OBSOLETE *p != '\0' && !isspace (*p); p++) */ +/* OBSOLETE ; */ +/* OBSOLETE if (*p == '\0') */ +/* OBSOLETE erroid: */ +/* OBSOLETE error ("\ */ +/* OBSOLETE Please include the name of the device for the serial port,\n\ */ +/* OBSOLETE the baud rate, and the name of the program to run on the remote system."); */ +/* OBSOLETE dev_name = (char *) xmalloc (p - name + 1); */ +/* OBSOLETE strncpy (dev_name, name, p - name); */ +/* OBSOLETE dev_name[p - name] = '\0'; */ +/* OBSOLETE */ +/* OBSOLETE /* Skip over the whitespace after dev_name */ */ +/* OBSOLETE for (; isspace (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE */ +/* OBSOLETE if (1 != sscanf (p, "%d ", &baudrate)) */ +/* OBSOLETE goto erroid; */ +/* OBSOLETE */ +/* OBSOLETE /* Skip the number and then the spaces */ */ +/* OBSOLETE for (; isdigit (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE for (; isspace (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE */ +/* OBSOLETE if (prog_name != NULL) */ +/* OBSOLETE xfree (prog_name); */ +/* OBSOLETE prog_name = savestring (p, strlen (p)); */ +/* OBSOLETE */ +/* OBSOLETE adapt_close (0); */ +/* OBSOLETE */ +/* OBSOLETE adapt_desc = open (dev_name, O_RDWR); */ +/* OBSOLETE if (adapt_desc < 0) */ +/* OBSOLETE perror_with_name (dev_name); */ +/* OBSOLETE ioctl (adapt_desc, TIOCGETP, &sg); */ +/* OBSOLETE #if ! defined(COMPILE_CHECK) */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE sg.c_cc[VMIN] = 0; /* read with timeout. */ */ +/* OBSOLETE sg.c_cc[VTIME] = timeout * 10; */ +/* OBSOLETE sg.c_lflag &= ~(ICANON | ECHO); */ +/* OBSOLETE sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate); */ +/* OBSOLETE #else */ +/* OBSOLETE sg.sg_ispeed = damn_b (baudrate); */ +/* OBSOLETE sg.sg_ospeed = damn_b (baudrate); */ +/* OBSOLETE sg.sg_flags |= RAW | ANYP; */ +/* OBSOLETE sg.sg_flags &= ~ECHO; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE ioctl (adapt_desc, TIOCSETP, &sg); */ +/* OBSOLETE adapt_stream = fdopen (adapt_desc, "r+"); */ +/* OBSOLETE #endif /* compile_check */ */ +/* OBSOLETE push_target (&adapt_ops); */ +/* OBSOLETE */ +/* OBSOLETE #ifndef HAVE_TERMIO */ +/* OBSOLETE #ifndef NO_SIGINTERRUPT */ +/* OBSOLETE /* Cause SIGALRM's to make reads fail with EINTR instead of resuming */ +/* OBSOLETE the read. */ */ +/* OBSOLETE if (siginterrupt (SIGALRM, 1) != 0) */ +/* OBSOLETE perror ("adapt_open: error in siginterrupt"); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Set up read timeout timer. */ */ +/* OBSOLETE if ((void (*)) signal (SIGALRM, adapt_timer) == (void (*)) -1) */ +/* OBSOLETE perror ("adapt_open: error in signal"); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE log_file = fopen (LOG_FILE, "w"); */ +/* OBSOLETE if (log_file == NULL) */ +/* OBSOLETE perror_with_name (LOG_FILE); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Put this port into NORMAL mode, send the 'normal' character */ */ +/* OBSOLETE write (adapt_desc, "", 1); /* Control A */ */ +/* OBSOLETE write (adapt_desc, "\r", 1); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE /* Hello? Are you there? */ */ +/* OBSOLETE write (adapt_desc, "\r", 1); */ +/* OBSOLETE */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE /* Clear any break points */ */ +/* OBSOLETE adapt_clear_breakpoints (); */ +/* OBSOLETE */ +/* OBSOLETE /* Print out some stuff, letting the user now what's going on */ */ +/* OBSOLETE printf_filtered ("Connected to an Adapt via %s.\n", dev_name); */ +/* OBSOLETE /* FIXME: can this restriction be removed? */ */ +/* OBSOLETE printf_filtered ("Remote debugging using virtual addresses works only\n"); */ +/* OBSOLETE printf_filtered ("\twhen virtual addresses map 1:1 to physical addresses.\n"); */ +/* OBSOLETE if (processor_type != a29k_freeze_mode) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf_filtered (gdb_stderr, */ +/* OBSOLETE "Freeze-mode debugging not available, and can only be done on an A29050.\n"); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Close out all files and local state before this target loses control. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE adapt_close (int quitting) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE /* Clear any break points */ */ +/* OBSOLETE adapt_clear_breakpoints (); */ +/* OBSOLETE */ +/* OBSOLETE /* Put this port back into REMOTE mode */ */ +/* OBSOLETE if (adapt_stream) */ +/* OBSOLETE { */ +/* OBSOLETE fflush (adapt_stream); */ +/* OBSOLETE sleep (1); /* Let any output make it all the way back */ */ +/* OBSOLETE write (adapt_desc, "R\r", 2); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Due to a bug in Unix, fclose closes not only the stdio stream, */ +/* OBSOLETE but also the file descriptor. So we don't actually close */ +/* OBSOLETE adapt_desc. */ */ +/* OBSOLETE if (adapt_stream) */ +/* OBSOLETE fclose (adapt_stream); /* This also closes adapt_desc */ */ +/* OBSOLETE if (adapt_desc >= 0) */ +/* OBSOLETE /* close (adapt_desc); */ */ +/* OBSOLETE */ +/* OBSOLETE /* Do not try to close adapt_desc again, later in the program. */ */ +/* OBSOLETE adapt_stream = NULL; */ +/* OBSOLETE adapt_desc = -1; */ +/* OBSOLETE */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE if (log_file) */ +/* OBSOLETE { */ +/* OBSOLETE if (ferror (log_file)) */ +/* OBSOLETE printf_filtered ("Error writing log file.\n"); */ +/* OBSOLETE if (fclose (log_file) != 0) */ +/* OBSOLETE printf_filtered ("Error closing log file.\n"); */ +/* OBSOLETE log_file = NULL; */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Attach to the target that is already loaded and possibly running */ */ +/* OBSOLETE static void */ +/* OBSOLETE adapt_attach (char *args, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf_filtered ("Attaching to remote program %s.\n", prog_name); */ +/* OBSOLETE */ +/* OBSOLETE /* Send the adapt a kill. It is ok if it is not already running */ */ +/* OBSOLETE fprintf (adapt_stream, "K\r"); */ +/* OBSOLETE fflush (adapt_stream); */ +/* OBSOLETE expect_prompt (); /* Slurp the echo */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Terminate the open connection to the remote debugger. */ +/* OBSOLETE Use this when you want to detach and do something else */ +/* OBSOLETE with your gdb. */ */ +/* OBSOLETE void */ +/* OBSOLETE adapt_detach (char *args, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE if (adapt_stream) */ +/* OBSOLETE { /* Send it on its way (tell it to continue) */ */ +/* OBSOLETE adapt_clear_breakpoints (); */ +/* OBSOLETE fprintf (adapt_stream, "G\r"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE pop_target (); /* calls adapt_close to do the real work */ */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf_filtered ("Ending remote %s debugging\n", target_shortname); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Tell the remote machine to resume. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE adapt_resume (ptid_t ptid, int step, enum target_signal sig) */ +/* OBSOLETE { */ +/* OBSOLETE if (step) */ +/* OBSOLETE { */ +/* OBSOLETE write (adapt_desc, "t 1,s\r", 6); */ +/* OBSOLETE /* Wait for the echo. */ */ +/* OBSOLETE expect ("t 1,s\r\n"); */ +/* OBSOLETE /* Then comes a line containing the instruction we stepped to. */ */ +/* OBSOLETE expect ("@"); */ +/* OBSOLETE /* Then we get the prompt. */ */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE /* Force the next adapt_wait to return a trap. Not doing anything */ +/* OBSOLETE about I/O from the target means that the user has to type */ +/* OBSOLETE "continue" to see any. FIXME, this should be fixed. */ */ +/* OBSOLETE need_artificial_trap = 1; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE write (adapt_desc, "G\r", 2); */ +/* OBSOLETE /* Swallow the echo. */ */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Wait until the remote machine stops, then return, */ +/* OBSOLETE storing status in STATUS just as `wait' would. */ */ +/* OBSOLETE */ +/* OBSOLETE ptid_t */ +/* OBSOLETE adapt_wait (ptid_t ptid, struct target_waitstatus *status) */ +/* OBSOLETE { */ +/* OBSOLETE /* Strings to look for. '?' means match any single character. */ +/* OBSOLETE Note that with the algorithm we use, the initial character */ +/* OBSOLETE of the string cannot recur in the string, or we will not */ +/* OBSOLETE find some cases of the string in the input. */ */ +/* OBSOLETE */ +/* OBSOLETE static char bpt[] = "@"; */ +/* OBSOLETE /* It would be tempting to look for "\n[__exit + 0x8]\n" */ +/* OBSOLETE but that requires loading symbols with "yc i" and even if */ +/* OBSOLETE we did do that we don't know that the file has symbols. */ */ +/* OBSOLETE static char exitmsg[] = "@????????I JMPTI GR121,LR0"; */ +/* OBSOLETE char *bp = bpt; */ +/* OBSOLETE char *ep = exitmsg; */ +/* OBSOLETE */ +/* OBSOLETE /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */ */ +/* OBSOLETE char swallowed[50]; */ +/* OBSOLETE /* Current position in swallowed. */ */ +/* OBSOLETE char *swallowed_p = swallowed; */ +/* OBSOLETE */ +/* OBSOLETE int ch; */ +/* OBSOLETE int ch_handled; */ +/* OBSOLETE int old_timeout = timeout; */ +/* OBSOLETE int old_immediate_quit = immediate_quit; */ +/* OBSOLETE */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE */ +/* OBSOLETE if (need_artificial_trap != 0) */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE need_artificial_trap--; */ +/* OBSOLETE return inferior_ptid; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE timeout = 0; /* Don't time out -- user program is running. */ */ +/* OBSOLETE immediate_quit = 1; /* Helps ability to QUIT */ */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE QUIT; /* Let user quit and leave process running */ */ +/* OBSOLETE ch_handled = 0; */ +/* OBSOLETE ch = readchar (); */ +/* OBSOLETE if (ch == *bp) */ +/* OBSOLETE { */ +/* OBSOLETE bp++; */ +/* OBSOLETE if (*bp == '\0') */ +/* OBSOLETE break; */ +/* OBSOLETE ch_handled = 1; */ +/* OBSOLETE */ +/* OBSOLETE *swallowed_p++ = ch; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE bp = bpt; */ +/* OBSOLETE if (ch == *ep || *ep == '?') */ +/* OBSOLETE { */ +/* OBSOLETE ep++; */ +/* OBSOLETE if (*ep == '\0') */ +/* OBSOLETE break; */ +/* OBSOLETE */ +/* OBSOLETE if (!ch_handled) */ +/* OBSOLETE *swallowed_p++ = ch; */ +/* OBSOLETE ch_handled = 1; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE ep = exitmsg; */ +/* OBSOLETE if (!ch_handled) */ +/* OBSOLETE { */ +/* OBSOLETE char *p; */ +/* OBSOLETE /* Print out any characters which have been swallowed. */ */ +/* OBSOLETE for (p = swallowed; p < swallowed_p; ++p) */ +/* OBSOLETE putc (*p, stdout); */ +/* OBSOLETE swallowed_p = swallowed; */ +/* OBSOLETE putc (ch, stdout); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE if (*bp == '\0') */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE } */ +/* OBSOLETE timeout = old_timeout; */ +/* OBSOLETE immediate_quit = old_immediate_quit; */ +/* OBSOLETE return inferior_ptid; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Return the name of register number REGNO */ +/* OBSOLETE in the form input and output by adapt. */ +/* OBSOLETE */ +/* OBSOLETE Returns a pointer to a static buffer containing the answer. */ */ +/* OBSOLETE static char * */ +/* OBSOLETE get_reg_name (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE static char buf[80]; */ +/* OBSOLETE if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) */ +/* OBSOLETE sprintf (buf, "GR%03d", regno - GR96_REGNUM + 96); */ +/* OBSOLETE #if defined(GR64_REGNUM) */ +/* OBSOLETE else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) */ +/* OBSOLETE sprintf (buf, "GR%03d", regno - GR64_REGNUM + 64); */ +/* OBSOLETE #endif */ +/* OBSOLETE else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) */ +/* OBSOLETE sprintf (buf, "LR%03d", regno - LR0_REGNUM); */ +/* OBSOLETE else if (regno == Q_REGNUM) */ +/* OBSOLETE strcpy (buf, "SR131"); */ +/* OBSOLETE else if (regno >= BP_REGNUM && regno <= CR_REGNUM) */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - BP_REGNUM + 133); */ +/* OBSOLETE else if (regno == ALU_REGNUM) */ +/* OBSOLETE strcpy (buf, "SR132"); */ +/* OBSOLETE else if (regno >= IPC_REGNUM && regno <= IPB_REGNUM) */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - IPC_REGNUM + 128); */ +/* OBSOLETE else if (regno >= VAB_REGNUM && regno <= LRU_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE /* When a 29050 is in freeze-mode, read shadow pcs instead */ */ +/* OBSOLETE if ((regno >= NPC_REGNUM && regno <= PC2_REGNUM) && USE_SHADOW_PC) */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - NPC_REGNUM + 20); */ +/* OBSOLETE else */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - VAB_REGNUM); */ +/* OBSOLETE } */ +/* OBSOLETE else if (regno == GR1_REGNUM) */ +/* OBSOLETE strcpy (buf, "GR001"); */ +/* OBSOLETE return buf; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Read the remote registers. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE adapt_fetch_registers (void) */ +/* OBSOLETE { */ +/* OBSOLETE int reg_index; */ +/* OBSOLETE int regnum_index; */ +/* OBSOLETE char tempbuf[10]; */ +/* OBSOLETE int sreg_buf[16]; */ +/* OBSOLETE int i, j; */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE * Global registers */ +/* OBSOLETE */ */ +/* OBSOLETE #if defined(GR64_REGNUM) */ +/* OBSOLETE write (adapt_desc, "dw gr64,gr95\r", 13); */ +/* OBSOLETE for (reg_index = 64, regnum_index = GR64_REGNUM; */ +/* OBSOLETE reg_index < 96; */ +/* OBSOLETE reg_index += 4, regnum_index += 4) */ +/* OBSOLETE { */ +/* OBSOLETE sprintf (tempbuf, "GR%03d ", reg_index); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE get_hex_regs (4, regnum_index); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE write (adapt_desc, "dw gr96,gr127\r", 14); */ +/* OBSOLETE for (reg_index = 96, regnum_index = GR96_REGNUM; */ +/* OBSOLETE reg_index < 128; */ +/* OBSOLETE reg_index += 4, regnum_index += 4) */ +/* OBSOLETE { */ +/* OBSOLETE sprintf (tempbuf, "GR%03d ", reg_index); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE get_hex_regs (4, regnum_index); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE * Local registers */ +/* OBSOLETE */ */ +/* OBSOLETE for (i = 0; i < 128; i += 32) */ +/* OBSOLETE { */ +/* OBSOLETE /* The PC has a tendency to hang if we get these */ +/* OBSOLETE all in one fell swoop ("dw lr0,lr127"). */ */ +/* OBSOLETE sprintf (tempbuf, "dw lr%d\r", i); */ +/* OBSOLETE write (adapt_desc, tempbuf, strlen (tempbuf)); */ +/* OBSOLETE for (reg_index = i, regnum_index = LR0_REGNUM + i; */ +/* OBSOLETE reg_index < i + 32; */ +/* OBSOLETE reg_index += 4, regnum_index += 4) */ +/* OBSOLETE { */ +/* OBSOLETE sprintf (tempbuf, "LR%03d ", reg_index); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE get_hex_regs (4, regnum_index); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE * Special registers */ +/* OBSOLETE */ */ +/* OBSOLETE sprintf (tempbuf, "dw sr0\r"); */ +/* OBSOLETE write (adapt_desc, tempbuf, strlen (tempbuf)); */ +/* OBSOLETE for (i = 0; i < 4; i++) */ +/* OBSOLETE { /* SR0 - SR14 */ */ +/* OBSOLETE sprintf (tempbuf, "SR%3d", i * 4); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE for (j = 0; j < (i == 3 ? 3 : 4); j++) */ +/* OBSOLETE sreg_buf[i * 4 + j] = get_hex_word (); */ +/* OBSOLETE } */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE /* */ +/* OBSOLETE * Read the pcs individually if we are in freeze mode. */ +/* OBSOLETE * See get_reg_name(), it translates the register names for the pcs to */ +/* OBSOLETE * the names of the shadow pcs. */ +/* OBSOLETE */ */ +/* OBSOLETE if (USE_SHADOW_PC) */ +/* OBSOLETE { */ +/* OBSOLETE sreg_buf[10] = read_register (NPC_REGNUM); /* pc0 */ */ +/* OBSOLETE sreg_buf[11] = read_register (PC_REGNUM); /* pc1 */ */ +/* OBSOLETE sreg_buf[12] = read_register (PC2_REGNUM); /* pc2 */ */ +/* OBSOLETE } */ +/* OBSOLETE for (i = 0; i < 14; i++) /* Supply vab -> lru */ */ +/* OBSOLETE supply_register (VAB_REGNUM + i, (char *) &sreg_buf[i]); */ +/* OBSOLETE sprintf (tempbuf, "dw sr128\r"); */ +/* OBSOLETE write (adapt_desc, tempbuf, strlen (tempbuf)); */ +/* OBSOLETE for (i = 0; i < 2; i++) */ +/* OBSOLETE { /* SR128 - SR135 */ */ +/* OBSOLETE sprintf (tempbuf, "SR%3d", 128 + i * 4); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE for (j = 0; j < 4; j++) */ +/* OBSOLETE sreg_buf[i * 4 + j] = get_hex_word (); */ +/* OBSOLETE } */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE supply_register (IPC_REGNUM, (char *) &sreg_buf[0]); */ +/* OBSOLETE supply_register (IPA_REGNUM, (char *) &sreg_buf[1]); */ +/* OBSOLETE supply_register (IPB_REGNUM, (char *) &sreg_buf[2]); */ +/* OBSOLETE supply_register (Q_REGNUM, (char *) &sreg_buf[3]); */ +/* OBSOLETE /* Skip ALU */ */ +/* OBSOLETE supply_register (BP_REGNUM, (char *) &sreg_buf[5]); */ +/* OBSOLETE supply_register (FC_REGNUM, (char *) &sreg_buf[6]); */ +/* OBSOLETE supply_register (CR_REGNUM, (char *) &sreg_buf[7]); */ +/* OBSOLETE */ +/* OBSOLETE /* There doesn't seem to be any way to get these. */ */ +/* OBSOLETE { */ +/* OBSOLETE int val = -1; */ +/* OBSOLETE supply_register (FPE_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (INTE_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (FPS_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (EXO_REGNUM, (char *) &val); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE write (adapt_desc, "dw gr1,gr1\r", 11); */ +/* OBSOLETE expect ("GR001 "); */ +/* OBSOLETE get_hex_regs (1, GR1_REGNUM); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Fetch register REGNO, or all registers if REGNO is -1. */ +/* OBSOLETE */ */ +/* OBSOLETE static void */ +/* OBSOLETE adapt_fetch_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE if (regno == -1) */ +/* OBSOLETE adapt_fetch_registers (); */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE char *name = get_reg_name (regno); */ +/* OBSOLETE fprintf (adapt_stream, "dw %s,%s\r", name, name); */ +/* OBSOLETE expect (name); */ +/* OBSOLETE expect (" "); */ +/* OBSOLETE get_hex_regs (1, regno); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Store the remote registers from the contents of the block REGS. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE adapt_store_registers (void) */ +/* OBSOLETE { */ +/* OBSOLETE int i, j; */ +/* OBSOLETE */ +/* OBSOLETE fprintf (adapt_stream, "s gr1,%x\r", read_register (GR1_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE #if defined(GR64_REGNUM) */ +/* OBSOLETE for (j = 0; j < 32; j += 16) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (adapt_stream, "s gr%d,", j + 64); */ +/* OBSOLETE for (i = 0; i < 15; ++i) */ +/* OBSOLETE fprintf (adapt_stream, "%x,", read_register (GR64_REGNUM + j + i)); */ +/* OBSOLETE fprintf (adapt_stream, "%x\r", read_register (GR64_REGNUM + j + 15)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE for (j = 0; j < 32; j += 16) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (adapt_stream, "s gr%d,", j + 96); */ +/* OBSOLETE for (i = 0; i < 15; ++i) */ +/* OBSOLETE fprintf (adapt_stream, "%x,", read_register (GR96_REGNUM + j + i)); */ +/* OBSOLETE fprintf (adapt_stream, "%x\r", read_register (GR96_REGNUM + j + 15)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE for (j = 0; j < 128; j += 16) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (adapt_stream, "s lr%d,", j); */ +/* OBSOLETE for (i = 0; i < 15; ++i) */ +/* OBSOLETE fprintf (adapt_stream, "%x,", read_register (LR0_REGNUM + j + i)); */ +/* OBSOLETE fprintf (adapt_stream, "%x\r", read_register (LR0_REGNUM + j + 15)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE fprintf (adapt_stream, "s sr128,%x,%x,%x\r", read_register (IPC_REGNUM), */ +/* OBSOLETE read_register (IPA_REGNUM), read_register (IPB_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE fprintf (adapt_stream, "s sr133,%x,%x,%x\r", read_register (BP_REGNUM), */ +/* OBSOLETE read_register (FC_REGNUM), read_register (CR_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE fprintf (adapt_stream, "s sr131,%x\r", read_register (Q_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE fprintf (adapt_stream, "s sr0,"); */ +/* OBSOLETE for (i = 0; i < 7; ++i) */ +/* OBSOLETE fprintf (adapt_stream, "%x,", read_register (VAB_REGNUM + i)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE fprintf (adapt_stream, "s sr7,"); */ +/* OBSOLETE for (i = 7; i < 14; ++i) */ +/* OBSOLETE fprintf (adapt_stream, "%x,", read_register (VAB_REGNUM + i)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Store register REGNO, or all if REGNO == -1. */ +/* OBSOLETE Return errno value. */ */ +/* OBSOLETE void */ +/* OBSOLETE adapt_store_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE /* printf("adapt_store_register() called.\n"); fflush(stdout); /* */ */ +/* OBSOLETE if (regno == -1) */ +/* OBSOLETE adapt_store_registers (); */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE char *name = get_reg_name (regno); */ +/* OBSOLETE fprintf (adapt_stream, "s %s,%x\r", name, read_register (regno)); */ +/* OBSOLETE /* Setting GR1 changes the numbers of all the locals, so */ +/* OBSOLETE invalidate the register cache. Do this *after* calling */ +/* OBSOLETE read_register, because we want read_register to return the */ +/* OBSOLETE value that write_register has just stuffed into the registers */ +/* OBSOLETE array, not the value of the register fetched from the */ +/* OBSOLETE inferior. */ */ +/* OBSOLETE if (regno == GR1_REGNUM) */ +/* OBSOLETE registers_changed (); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get ready to modify the registers array. On machines which store */ +/* OBSOLETE individual registers, this doesn't need to do anything. On machines */ +/* OBSOLETE which store all the registers in one fell swoop, this makes sure */ +/* OBSOLETE that registers contains all the registers from the program being */ +/* OBSOLETE debugged. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE adapt_prepare_to_store (void) */ +/* OBSOLETE { */ +/* OBSOLETE /* Do nothing, since we can store individual regs */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE static CORE_ADDR */ +/* OBSOLETE translate_addr (CORE_ADDR addr) */ +/* OBSOLETE { */ +/* OBSOLETE #if defined(KERNEL_DEBUGGING) */ +/* OBSOLETE /* Check for a virtual address in the kernel */ */ +/* OBSOLETE /* Assume physical address of ublock is in paddr_u register */ */ +/* OBSOLETE if (addr >= UVADDR) */ +/* OBSOLETE { */ +/* OBSOLETE /* PADDR_U register holds the physical address of the ublock */ */ +/* OBSOLETE CORE_ADDR i = (CORE_ADDR) read_register (PADDR_U_REGNUM); */ +/* OBSOLETE return (i + addr - (CORE_ADDR) UVADDR); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE return (addr); */ +/* OBSOLETE } */ +/* OBSOLETE #else */ +/* OBSOLETE return (addr); */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* FIXME! Merge these two. */ */ +/* OBSOLETE int */ +/* OBSOLETE adapt_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, */ +/* OBSOLETE struct mem_attrib *attrib ATTRIBUTE_UNUSED, */ +/* OBSOLETE struct target_ops *target ATTRIBUTE_UNUSED) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE memaddr = translate_addr (memaddr); */ +/* OBSOLETE */ +/* OBSOLETE if (write) */ +/* OBSOLETE return adapt_write_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE else */ +/* OBSOLETE return adapt_read_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE adapt_files_info (void) */ +/* OBSOLETE { */ +/* OBSOLETE printf_filtered ("\tAttached to %s at %d baud and running program %s\n", */ +/* OBSOLETE dev_name, baudrate, prog_name); */ +/* OBSOLETE printf_filtered ("\ton an %s processor.\n", processor_name[processor_type]); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Copy LEN bytes of data from debugger memory at MYADDR */ +/* OBSOLETE to inferior's memory at MEMADDR. Returns errno value. */ +/* OBSOLETE * sb/sh instructions don't work on unaligned addresses, when TU=1. */ +/* OBSOLETE */ */ +/* OBSOLETE int */ +/* OBSOLETE adapt_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE unsigned int cps; */ +/* OBSOLETE */ +/* OBSOLETE /* Turn TU bit off so we can do 'sb' commands */ */ +/* OBSOLETE cps = read_register (CPS_REGNUM); */ +/* OBSOLETE if (cps & 0x00000800) */ +/* OBSOLETE write_register (CPS_REGNUM, cps & ~(0x00000800)); */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < len; i++) */ +/* OBSOLETE { */ +/* OBSOLETE if ((i % 16) == 0) */ +/* OBSOLETE fprintf (adapt_stream, "sb %x,", memaddr + i); */ +/* OBSOLETE if ((i % 16) == 15 || i == len - 1) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (adapt_stream, "%x\r", ((unsigned char *) myaddr)[i]); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE fprintf (adapt_stream, "%x,", ((unsigned char *) myaddr)[i]); */ +/* OBSOLETE } */ +/* OBSOLETE /* Restore the old value of cps if the TU bit was on */ */ +/* OBSOLETE if (cps & 0x00000800) */ +/* OBSOLETE write_register (CPS_REGNUM, cps); */ +/* OBSOLETE return len; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Read LEN bytes from inferior memory at MEMADDR. Put the result */ +/* OBSOLETE at debugger address MYADDR. Returns errno value. */ */ +/* OBSOLETE int */ +/* OBSOLETE adapt_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes read so far. */ */ +/* OBSOLETE int count; */ +/* OBSOLETE */ +/* OBSOLETE /* Starting address of this pass. */ */ +/* OBSOLETE unsigned long startaddr; */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes to read in this pass. */ */ +/* OBSOLETE int len_this_pass; */ +/* OBSOLETE */ +/* OBSOLETE /* Note that this code works correctly if startaddr is just less */ +/* OBSOLETE than UINT_MAX (well, really CORE_ADDR_MAX if there was such a */ +/* OBSOLETE thing). That is, something like */ +/* OBSOLETE adapt_read_bytes (CORE_ADDR_MAX - 4, foo, 4) */ +/* OBSOLETE works--it never adds len to memaddr and gets 0. */ */ +/* OBSOLETE /* However, something like */ +/* OBSOLETE adapt_read_bytes (CORE_ADDR_MAX - 3, foo, 4) */ +/* OBSOLETE doesn't need to work. Detect it and give up if there's an attempt */ +/* OBSOLETE to do that. */ */ +/* OBSOLETE */ +/* OBSOLETE if (((memaddr - 1) + len) < memaddr) */ +/* OBSOLETE return EIO; */ +/* OBSOLETE */ +/* OBSOLETE startaddr = memaddr; */ +/* OBSOLETE count = 0; */ +/* OBSOLETE while (count < len) */ +/* OBSOLETE { */ +/* OBSOLETE len_this_pass = 16; */ +/* OBSOLETE if ((startaddr % 16) != 0) */ +/* OBSOLETE len_this_pass -= startaddr % 16; */ +/* OBSOLETE if (len_this_pass > (len - count)) */ +/* OBSOLETE len_this_pass = (len - count); */ +/* OBSOLETE */ +/* OBSOLETE fprintf (adapt_stream, "db %x,%x\r", startaddr, */ +/* OBSOLETE (startaddr - 1) + len_this_pass); */ +/* OBSOLETE */ +/* OBSOLETE #ifdef NOTDEF /* Why do this */ */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE /* Look for 8 hex digits. */ */ +/* OBSOLETE i = 0; */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE if (isxdigit (readchar ())) */ +/* OBSOLETE ++i; */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE error ("Hex digit expected from remote system."); */ +/* OBSOLETE } */ +/* OBSOLETE if (i >= 8) */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE #endif /* NOTDEF */ */ +/* OBSOLETE */ +/* OBSOLETE expect (" "); */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < len_this_pass; i++) */ +/* OBSOLETE get_hex_byte (&myaddr[count++]); */ +/* OBSOLETE */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE startaddr += len_this_pass; */ +/* OBSOLETE } */ +/* OBSOLETE return count; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE #define MAX_BREAKS 8 */ +/* OBSOLETE static int num_brkpts = 0; */ +/* OBSOLETE */ +/* OBSOLETE /* Insert a breakpoint at ADDR. SAVE is normally the address of the */ +/* OBSOLETE pattern buffer where the instruction that the breakpoint overwrites */ +/* OBSOLETE is saved. It is unused here since the Adapt Monitor is responsible */ +/* OBSOLETE for saving/restoring the original instruction. */ */ +/* OBSOLETE */ +/* OBSOLETE static int */ +/* OBSOLETE adapt_insert_breakpoint (CORE_ADDR addr, char *save) */ +/* OBSOLETE { */ +/* OBSOLETE if (num_brkpts < MAX_BREAKS) */ +/* OBSOLETE { */ +/* OBSOLETE num_brkpts++; */ +/* OBSOLETE fprintf (adapt_stream, "B %x", addr); */ +/* OBSOLETE fprintf (adapt_stream, "\r"); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE return (0); /* Success */ */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE fprintf_filtered (gdb_stderr, */ +/* OBSOLETE "Too many break points, break point not installed\n"); */ +/* OBSOLETE return (1); /* Failure */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Remove a breakpoint at ADDR. SAVE is normally the previously */ +/* OBSOLETE saved pattern, but is unused here as the Adapt Monitor is */ +/* OBSOLETE responsible for saving/restoring instructions. */ */ +/* OBSOLETE */ +/* OBSOLETE static int */ +/* OBSOLETE adapt_remove_breakpoint (CORE_ADDR addr, char *save) */ +/* OBSOLETE { */ +/* OBSOLETE if (num_brkpts > 0) */ +/* OBSOLETE { */ +/* OBSOLETE num_brkpts--; */ +/* OBSOLETE fprintf (adapt_stream, "BR %x", addr); */ +/* OBSOLETE fprintf (adapt_stream, "\r"); */ +/* OBSOLETE fflush (adapt_stream); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE return (0); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Clear the adapts notion of what the break points are */ */ +/* OBSOLETE static int */ +/* OBSOLETE adapt_clear_breakpoints (void) */ +/* OBSOLETE { */ +/* OBSOLETE if (adapt_stream) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (adapt_stream, "BR"); /* Clear all break points */ */ +/* OBSOLETE fprintf (adapt_stream, "\r"); */ +/* OBSOLETE fflush (adapt_stream); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE num_brkpts = 0; */ +/* OBSOLETE } */ +/* OBSOLETE static void */ +/* OBSOLETE adapt_mourn (void) */ +/* OBSOLETE { */ +/* OBSOLETE adapt_clear_breakpoints (); */ +/* OBSOLETE pop_target (); /* Pop back to no-child state */ */ +/* OBSOLETE generic_mourn_inferior (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Display everthing we read in from the adapt until we match/see the */ +/* OBSOLETE * specified string */ +/* OBSOLETE */ */ +/* OBSOLETE static int */ +/* OBSOLETE display_until (char *str) */ +/* OBSOLETE { */ +/* OBSOLETE int i = 0, j, c; */ +/* OBSOLETE */ +/* OBSOLETE while (c = readchar ()) */ +/* OBSOLETE { */ +/* OBSOLETE if (c == str[i]) */ +/* OBSOLETE { */ +/* OBSOLETE i++; */ +/* OBSOLETE if (i == strlen (str)) */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE if (i) */ +/* OBSOLETE { */ +/* OBSOLETE for (j = 0; j < i; j++) /* Put everthing we matched */ */ +/* OBSOLETE putchar (str[j]); */ +/* OBSOLETE i = 0; */ +/* OBSOLETE } */ +/* OBSOLETE putchar (c); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Put a command string, in args, out to the adapt. The adapt is assumed to */ +/* OBSOLETE be in raw mode, all writing/reading done through adapt_desc. */ +/* OBSOLETE Ouput from the adapt is placed on the users terminal until the */ +/* OBSOLETE prompt from the adapt is seen. */ +/* OBSOLETE FIXME: Can't handle commands that take input. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE adapt_com (char *args, int fromtty) */ +/* OBSOLETE { */ +/* OBSOLETE if (!adapt_stream) */ +/* OBSOLETE { */ +/* OBSOLETE printf_filtered ("Adapt not open. Use the 'target' command to open.\n"); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Clear all input so only command relative output is displayed */ */ +/* OBSOLETE slurp_input (); */ +/* OBSOLETE */ +/* OBSOLETE switch (islower (args[0]) ? toupper (args[0]) : args[0]) */ +/* OBSOLETE { */ +/* OBSOLETE default: */ +/* OBSOLETE printf_filtered ("Unknown/Unimplemented adapt command '%s'\n", args); */ +/* OBSOLETE break; */ +/* OBSOLETE case 'G': /* Go, begin execution */ */ +/* OBSOLETE write (adapt_desc, args, strlen (args)); */ +/* OBSOLETE write (adapt_desc, "\r", 1); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE break; */ +/* OBSOLETE case 'B': /* Break points, B or BR */ */ +/* OBSOLETE case 'C': /* Check current 29k status (running/halted) */ */ +/* OBSOLETE case 'D': /* Display data/registers */ */ +/* OBSOLETE case 'I': /* Input from i/o space */ */ +/* OBSOLETE case 'J': /* Jam an instruction */ */ +/* OBSOLETE case 'K': /* Kill, stop execution */ */ +/* OBSOLETE case 'L': /* Disassemble */ */ +/* OBSOLETE case 'O': /* Output to i/o space */ */ +/* OBSOLETE case 'T': /* Trace */ */ +/* OBSOLETE case 'P': /* Pulse an input line */ */ +/* OBSOLETE case 'X': /* Examine special purpose registers */ */ +/* OBSOLETE case 'Z': /* Display trace buffer */ */ +/* OBSOLETE write (adapt_desc, args, strlen (args)); */ +/* OBSOLETE write (adapt_desc, "\r", 1); */ +/* OBSOLETE expect (args); /* Don't display the command */ */ +/* OBSOLETE display_until ("# "); */ +/* OBSOLETE break; */ +/* OBSOLETE /* Begin commands that take input in the form 'c x,y[,z...]' */ */ +/* OBSOLETE case 'S': /* Set memory or register */ */ +/* OBSOLETE if (strchr (args, ',')) */ +/* OBSOLETE { /* Assume it is properly formatted */ */ +/* OBSOLETE write (adapt_desc, args, strlen (args)); */ +/* OBSOLETE write (adapt_desc, "\r", 1); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Define the target subroutine names */ */ +/* OBSOLETE */ +/* OBSOLETE struct target_ops adapt_ops; */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE init_adapt_ops (void) */ +/* OBSOLETE { */ +/* OBSOLETE adapt_ops.to_shortname = "adapt"; */ +/* OBSOLETE adapt_ops.to_longname = "Remote AMD `Adapt' target"; */ +/* OBSOLETE adapt_ops.to_doc = "Remote debug an AMD 290*0 using an `Adapt' monitor via RS232"; */ +/* OBSOLETE adapt_ops.to_open = adapt_open; */ +/* OBSOLETE adapt_ops.to_close = adapt_close; */ +/* OBSOLETE adapt_ops.to_attach = adapt_attach; */ +/* OBSOLETE adapt_ops.to_post_attach = NULL; */ +/* OBSOLETE adapt_ops.to_require_attach = NULL; */ +/* OBSOLETE adapt_ops.to_detach = adapt_detach; */ +/* OBSOLETE adapt_ops.to_require_detach = NULL; */ +/* OBSOLETE adapt_ops.to_resume = adapt_resume; */ +/* OBSOLETE adapt_ops.to_wait = adapt_wait; */ +/* OBSOLETE adapt_ops.to_post_wait = NULL; */ +/* OBSOLETE adapt_ops.to_fetch_registers = adapt_fetch_register; */ +/* OBSOLETE adapt_ops.to_store_registers = adapt_store_register; */ +/* OBSOLETE adapt_ops.to_prepare_to_store = adapt_prepare_to_store; */ +/* OBSOLETE adapt_ops.to_xfer_memory = adapt_xfer_inferior_memory; */ +/* OBSOLETE adapt_ops.to_files_info = adapt_files_info; */ +/* OBSOLETE adapt_ops.to_insert_breakpoint = adapt_insert_breakpoint; */ +/* OBSOLETE adapt_ops.to_remove_breakpoint = adapt_remove_breakpoint; */ +/* OBSOLETE adapt_ops.to_terminal_init = 0; */ +/* OBSOLETE adapt_ops.to_terminal_inferior = 0; */ +/* OBSOLETE adapt_ops.to_terminal_ours_for_output = 0; */ +/* OBSOLETE adapt_ops.to_terminal_ours = 0; */ +/* OBSOLETE adapt_ops.to_terminal_info = 0; */ +/* OBSOLETE adapt_ops.to_kill = adapt_kill; */ +/* OBSOLETE adapt_ops.to_load = adapt_load; */ +/* OBSOLETE adapt_ops.to_lookup_symbol = 0; */ +/* OBSOLETE adapt_ops.to_create_inferior = adapt_create_inferior; */ +/* OBSOLETE adapt_ops.to_post_startup_inferior = NULL; */ +/* OBSOLETE adapt_ops.to_acknowledge_created_inferior = NULL; */ +/* OBSOLETE adapt_ops.to_clone_and_follow_inferior = NULL; */ +/* OBSOLETE adapt_ops.to_post_follow_inferior_by_clone = NULL; */ +/* OBSOLETE adapt_ops.to_insert_fork_catchpoint = NULL; */ +/* OBSOLETE adapt_ops.to_remove_fork_catchpoint = NULL; */ +/* OBSOLETE adapt_ops.to_insert_vfork_catchpoint = NULL; */ +/* OBSOLETE adapt_ops.to_remove_vfork_catchpoint = NULL; */ +/* OBSOLETE adapt_ops.to_has_forked = NULL; */ +/* OBSOLETE adapt_ops.to_has_vforked = NULL; */ +/* OBSOLETE adapt_ops.to_can_follow_vfork_prior_to_exec = NULL; */ +/* OBSOLETE adapt_ops.to_post_follow_vfork = NULL; */ +/* OBSOLETE adapt_ops.to_insert_exec_catchpoint = NULL; */ +/* OBSOLETE adapt_ops.to_remove_exec_catchpoint = NULL; */ +/* OBSOLETE adapt_ops.to_has_execd = NULL; */ +/* OBSOLETE adapt_ops.to_reported_exec_events_per_exec_call = NULL; */ +/* OBSOLETE adapt_ops.to_has_exited = NULL; */ +/* OBSOLETE adapt_ops.to_mourn_inferior = adapt_mourn; */ +/* OBSOLETE adapt_ops.to_can_run = 0; */ +/* OBSOLETE adapt_ops.to_notice_signals = 0; */ +/* OBSOLETE adapt_ops.to_thread_alive = 0; */ +/* OBSOLETE adapt_ops.to_stop = 0; /* process_stratum; */ */ +/* OBSOLETE adapt_ops.to_pid_to_exec_file = NULL; */ +/* OBSOLETE adapt_ops.to_stratum = 0; */ +/* OBSOLETE adapt_ops.DONT_USE = 0; */ +/* OBSOLETE adapt_ops.to_has_all_memory = 1; */ +/* OBSOLETE adapt_ops.to_has_memory = 1; */ +/* OBSOLETE adapt_ops.to_has_stack = 1; */ +/* OBSOLETE adapt_ops.to_has_registers = 1; */ +/* OBSOLETE adapt_ops.to_has_execution = 0; */ +/* OBSOLETE adapt_ops.to_sections = 0; */ +/* OBSOLETE adapt_ops.to_sections_end = 0; */ +/* OBSOLETE adapt_ops.to_magic = OPS_MAGIC; */ +/* OBSOLETE } /* init_adapt_ops */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE _initialize_remote_adapt (void) */ +/* OBSOLETE { */ +/* OBSOLETE init_adapt_ops (); */ +/* OBSOLETE add_target (&adapt_ops); */ +/* OBSOLETE add_com ("adapt ", class_obscure, adapt_com, */ +/* OBSOLETE "Send a command to the AMD Adapt remote monitor."); */ +/* OBSOLETE } */ diff --git a/gdb/remote-eb.c b/gdb/remote-eb.c index fa003c64326..dcee34514f2 100644 --- a/gdb/remote-eb.c +++ b/gdb/remote-eb.c @@ -1,1088 +1,1088 @@ -/* Remote debugging interface for AMD 29000 EBMON on IBM PC, for GDB. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001 - Free Software Foundation, Inc. - Contributed by Cygnus Support. Written by Jim Kingdon for Cygnus. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* This is like remote.c but is for an esoteric situation-- - having a a29k board in a PC hooked up to a unix machine with - a serial line, and running ctty com1 on the PC, through which - the unix machine can run ebmon. Not to mention that the PC - has PC/NFS, so it can access the same executables that gdb can, - over the net in real time. */ - -#include "defs.h" -#include "gdb_string.h" -#include "regcache.h" - -#include "inferior.h" -#include "bfd.h" -#include "symfile.h" -#include "value.h" -#include -#include -#include -#include -#include "terminal.h" -#include "target.h" -#include "gdbcore.h" - -extern struct target_ops eb_ops; /* Forward declaration */ - -static void eb_close (); - -#define LOG_FILE "eb.log" -#if defined (LOG_FILE) -FILE *log_file; -#endif - -static int timeout = 24; - -/* Descriptor for I/O to remote machine. Initialize it to -1 so that - eb_open knows that we don't have a file open when the program - starts. */ -int eb_desc = -1; - -/* stream which is fdopen'd from eb_desc. Only valid when - eb_desc != -1. */ -FILE *eb_stream; - -/* Read a character from the remote system, doing all the fancy - timeout stuff. */ -static int -readchar (void) -{ - char buf; - - buf = '\0'; -#ifdef HAVE_TERMIO - /* termio does the timeout for us. */ - read (eb_desc, &buf, 1); -#else - alarm (timeout); - if (read (eb_desc, &buf, 1) < 0) - { - if (errno == EINTR) - error ("Timeout reading from remote system."); - else - perror_with_name ("remote"); - } - alarm (0); -#endif - - if (buf == '\0') - error ("Timeout reading from remote system."); -#if defined (LOG_FILE) - putc (buf & 0x7f, log_file); -#endif - return buf & 0x7f; -} - -/* Keep discarding input from the remote system, until STRING is found. - Let the user break out immediately. */ -static void -expect (char *string) -{ - char *p = string; - - immediate_quit++; - while (1) - { - if (readchar () == *p) - { - p++; - if (*p == '\0') - { - immediate_quit--; - return; - } - } - else - p = string; - } -} - -/* Keep discarding input until we see the ebmon prompt. - - The convention for dealing with the prompt is that you - o give your command - o *then* wait for the prompt. - - Thus the last thing that a procedure does with the serial line - will be an expect_prompt(). Exception: eb_resume does not - wait for the prompt, because the terminal is being handed over - to the inferior. However, the next thing which happens after that - is a eb_wait which does wait for the prompt. - Note that this includes abnormal exit, e.g. error(). This is - necessary to prevent getting into states from which we can't - recover. */ -static void -expect_prompt (void) -{ -#if defined (LOG_FILE) - /* This is a convenient place to do this. The idea is to do it often - enough that we never lose much data if we terminate abnormally. */ - fflush (log_file); -#endif - expect ("\n# "); -} - -/* Get a hex digit from the remote system & return its value. - If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */ -static int -get_hex_digit (int ignore_space) -{ - int ch; - while (1) - { - ch = readchar (); - if (ch >= '0' && ch <= '9') - return ch - '0'; - else if (ch >= 'A' && ch <= 'F') - return ch - 'A' + 10; - else if (ch >= 'a' && ch <= 'f') - return ch - 'a' + 10; - else if (ch == ' ' && ignore_space) - ; - else - { - expect_prompt (); - error ("Invalid hex digit from remote system."); - } - } -} - -/* Get a byte from eb_desc and put it in *BYT. Accept any number - leading spaces. */ -static void -get_hex_byte (char *byt) -{ - int val; - - val = get_hex_digit (1) << 4; - val |= get_hex_digit (0); - *byt = val; -} - -/* Get N 32-bit words from remote, each preceded by a space, - and put them in registers starting at REGNO. */ -static void -get_hex_regs (int n, int regno) -{ - long val; - int i; - - for (i = 0; i < n; i++) - { - int j; - - val = 0; - for (j = 0; j < 8; j++) - val = (val << 4) + get_hex_digit (j == 0); - supply_register (regno++, (char *) &val); - } -} - -/* Called when SIGALRM signal sent due to alarm() timeout. */ -#ifndef HAVE_TERMIO - -volatile int n_alarms; - -void -eb_timer (void) -{ -#if 0 - if (kiodebug) - printf ("eb_timer called\n"); -#endif - n_alarms++; -} -#endif - -/* malloc'd name of the program on the remote system. */ -static char *prog_name = NULL; - -/* Nonzero if we have loaded the file ("yc") and not yet issued a "gi" - command. "gi" is supposed to happen exactly once for each "yc". */ -static int need_gi = 0; - -/* Number of SIGTRAPs we need to simulate. That is, the next - NEED_ARTIFICIAL_TRAP calls to eb_wait should just return - SIGTRAP without actually waiting for anything. */ - -static int need_artificial_trap = 0; - -/* This is called not only when we first attach, but also when the - user types "run" after having attached. */ -static void -eb_create_inferior (char *execfile, char *args, char **env) -{ - int entry_pt; - - if (args && *args) - error ("Can't pass arguments to remote EBMON process"); - - if (execfile == 0 || exec_bfd == 0) - error ("No executable file specified"); - - entry_pt = (int) bfd_get_start_address (exec_bfd); - - { - /* OK, now read in the file. Y=read, C=COFF, D=no symbols - 0=start address, %s=filename. */ - - fprintf (eb_stream, "YC D,0:%s", prog_name); - - if (args != NULL) - fprintf (eb_stream, " %s", args); - - fprintf (eb_stream, "\n"); - fflush (eb_stream); - - expect_prompt (); - - need_gi = 1; - } - -/* The "process" (board) is already stopped awaiting our commands, and - the program is already downloaded. We just set its PC and go. */ - - clear_proceed_status (); - - /* Tell wait_for_inferior that we've started a new process. */ - init_wait_for_inferior (); - - /* Set up the "saved terminal modes" of the inferior - based on what modes we are starting it with. */ - target_terminal_init (); - - /* Install inferior's terminal modes. */ - target_terminal_inferior (); - - /* insert_step_breakpoint (); FIXME, do we need this? */ - proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0); /* Let 'er rip... */ -} - -/* Translate baud rates from integers to damn B_codes. Unix should - have outgrown this crap years ago, but even POSIX wouldn't buck it. */ - -#ifndef B19200 -#define B19200 EXTA -#endif -#ifndef B38400 -#define B38400 EXTB -#endif - -struct -{ - int rate, damn_b; -} -baudtab[] = -{ - { - 0, B0 - } - , - { - 50, B50 - } - , - { - 75, B75 - } - , - { - 110, B110 - } - , - { - 134, B134 - } - , - { - 150, B150 - } - , - { - 200, B200 - } - , - { - 300, B300 - } - , - { - 600, B600 - } - , - { - 1200, B1200 - } - , - { - 1800, B1800 - } - , - { - 2400, B2400 - } - , - { - 4800, B4800 - } - , - { - 9600, B9600 - } - , - { - 19200, B19200 - } - , - { - 38400, B38400 - } - , - { - -1, -1 - } - , -}; - -int -damn_b (int rate) -{ - int i; - - for (i = 0; baudtab[i].rate != -1; i++) - if (rate == baudtab[i].rate) - return baudtab[i].damn_b; - return B38400; /* Random */ -} - - -/* Open a connection to a remote debugger. - NAME is the filename used for communication, then a space, - then the name of the program as we should name it to EBMON. */ - -static int baudrate = 9600; -static char *dev_name; -void -eb_open (char *name, int from_tty) -{ - TERMINAL sg; - - char *p; - - target_preopen (from_tty); - - /* Find the first whitespace character, it separates dev_name from - prog_name. */ - if (name == 0) - goto erroid; - - for (p = name; - *p != '\0' && !isspace (*p); p++) - ; - if (*p == '\0') - erroid: - error ("\ -Please include the name of the device for the serial port,\n\ -the baud rate, and the name of the program to run on the remote system."); - dev_name = alloca (p - name + 1); - strncpy (dev_name, name, p - name); - dev_name[p - name] = '\0'; - - /* Skip over the whitespace after dev_name */ - for (; isspace (*p); p++) - /*EMPTY */ ; - - if (1 != sscanf (p, "%d ", &baudrate)) - goto erroid; - - /* Skip the number and then the spaces */ - for (; isdigit (*p); p++) - /*EMPTY */ ; - for (; isspace (*p); p++) - /*EMPTY */ ; - - if (prog_name != NULL) - xfree (prog_name); - prog_name = savestring (p, strlen (p)); - - eb_close (0); - - eb_desc = open (dev_name, O_RDWR); - if (eb_desc < 0) - perror_with_name (dev_name); - ioctl (eb_desc, TIOCGETP, &sg); -#ifdef HAVE_TERMIO - sg.c_cc[VMIN] = 0; /* read with timeout. */ - sg.c_cc[VTIME] = timeout * 10; - sg.c_lflag &= ~(ICANON | ECHO); - sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate); -#else - sg.sg_ispeed = damn_b (baudrate); - sg.sg_ospeed = damn_b (baudrate); - sg.sg_flags |= RAW | ANYP; - sg.sg_flags &= ~ECHO; -#endif - - ioctl (eb_desc, TIOCSETP, &sg); - eb_stream = fdopen (eb_desc, "r+"); - - push_target (&eb_ops); - if (from_tty) - printf ("Remote %s debugging %s using %s\n", target_shortname, - prog_name, dev_name); - -#ifndef HAVE_TERMIO -#ifndef NO_SIGINTERRUPT - /* Cause SIGALRM's to make reads fail with EINTR instead of resuming - the read. */ - if (siginterrupt (SIGALRM, 1) != 0) - perror ("eb_open: error in siginterrupt"); -#endif - - /* Set up read timeout timer. */ - if ((void (*)) signal (SIGALRM, eb_timer) == (void (*)) -1) - perror ("eb_open: error in signal"); -#endif - -#if defined (LOG_FILE) - log_file = fopen (LOG_FILE, "w"); - if (log_file == NULL) - perror_with_name (LOG_FILE); -#endif - - /* Hello? Are you there? */ - write (eb_desc, "\n", 1); - - expect_prompt (); -} - -/* Close out all files and local state before this target loses control. */ - -static void -eb_close (int quitting) -{ - - /* Due to a bug in Unix, fclose closes not only the stdio stream, - but also the file descriptor. So we don't actually close - eb_desc. */ - if (eb_stream) - fclose (eb_stream); /* This also closes eb_desc */ - if (eb_desc >= 0) - /* close (eb_desc); */ - - /* Do not try to close eb_desc again, later in the program. */ - eb_stream = NULL; - eb_desc = -1; - -#if defined (LOG_FILE) - if (log_file) - { - if (ferror (log_file)) - printf ("Error writing log file.\n"); - if (fclose (log_file) != 0) - printf ("Error closing log file.\n"); - } -#endif -} - -/* Terminate the open connection to the remote debugger. - Use this when you want to detach and do something else - with your gdb. */ -void -eb_detach (int from_tty) -{ - pop_target (); /* calls eb_close to do the real work */ - if (from_tty) - printf ("Ending remote %s debugging\n", target_shortname); -} - -/* Tell the remote machine to resume. */ - -void -eb_resume (ptid_t ptid, int step, enum target_signal sig) -{ - if (step) - { - write (eb_desc, "t 1,s\n", 6); - /* Wait for the echo. */ - expect ("t 1,s\r"); - /* Then comes a line containing the instruction we stepped to. */ - expect ("\n@"); - /* Then we get the prompt. */ - expect_prompt (); - - /* Force the next eb_wait to return a trap. Not doing anything - about I/O from the target means that the user has to type - "continue" to see any. This should be fixed. */ - need_artificial_trap = 1; - } - else - { - if (need_gi) - { - need_gi = 0; - write (eb_desc, "gi\n", 3); - - /* Swallow the echo of "gi". */ - expect ("gi\r"); - } - else - { - write (eb_desc, "GR\n", 3); - /* Swallow the echo. */ - expect ("GR\r"); - } - } -} - -/* Wait until the remote machine stops, then return, - storing status in STATUS just as `wait' would. */ - -ptid_t -eb_wait (ptid_t ptid, struct target_waitstatus *status) -{ - /* Strings to look for. '?' means match any single character. - Note that with the algorithm we use, the initial character - of the string cannot recur in the string, or we will not - find some cases of the string in the input. */ - - static char bpt[] = "Invalid interrupt taken - #0x50 - "; - /* It would be tempting to look for "\n[__exit + 0x8]\n" - but that requires loading symbols with "yc i" and even if - we did do that we don't know that the file has symbols. */ - static char exitmsg[] = "\n@????????I JMPTI GR121,LR0"; - char *bp = bpt; - char *ep = exitmsg; - - /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */ - char swallowed[50]; - /* Current position in swallowed. */ - char *swallowed_p = swallowed; - - int ch; - int ch_handled; - - int old_timeout = timeout; - - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - - if (need_artificial_trap != 0) - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - need_artificial_trap--; - return 0; - } - - timeout = 0; /* Don't time out -- user program is running. */ - while (1) - { - ch_handled = 0; - ch = readchar (); - if (ch == *bp) - { - bp++; - if (*bp == '\0') - break; - ch_handled = 1; - - *swallowed_p++ = ch; - } - else - bp = bpt; - - if (ch == *ep || *ep == '?') - { - ep++; - if (*ep == '\0') - break; - - if (!ch_handled) - *swallowed_p++ = ch; - ch_handled = 1; - } - else - ep = exitmsg; - - if (!ch_handled) - { - char *p; - - /* Print out any characters which have been swallowed. */ - for (p = swallowed; p < swallowed_p; ++p) - putc (*p, stdout); - swallowed_p = swallowed; - - putc (ch, stdout); - } - } - expect_prompt (); - if (*bp == '\0') - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - } - else - { - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - } - timeout = old_timeout; - - return 0; -} - -/* Return the name of register number REGNO - in the form input and output by EBMON. - - Returns a pointer to a static buffer containing the answer. */ -static char * -get_reg_name (int regno) -{ - static char buf[80]; - if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) - sprintf (buf, "GR%03d", regno - GR96_REGNUM + 96); - else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) - sprintf (buf, "LR%03d", regno - LR0_REGNUM); - else if (regno == Q_REGNUM) - strcpy (buf, "SR131"); - else if (regno >= BP_REGNUM && regno <= CR_REGNUM) - sprintf (buf, "SR%03d", regno - BP_REGNUM + 133); - else if (regno == ALU_REGNUM) - strcpy (buf, "SR132"); - else if (regno >= IPC_REGNUM && regno <= IPB_REGNUM) - sprintf (buf, "SR%03d", regno - IPC_REGNUM + 128); - else if (regno >= VAB_REGNUM && regno <= LRU_REGNUM) - sprintf (buf, "SR%03d", regno - VAB_REGNUM); - else if (regno == GR1_REGNUM) - strcpy (buf, "GR001"); - return buf; -} - -/* Read the remote registers into the block REGS. */ - -static void -eb_fetch_registers (void) -{ - int reg_index; - int regnum_index; - char tempbuf[10]; - int i; - -#if 0 - /* This should not be necessary, because one is supposed to read the - registers only when the inferior is stopped (at least with - ptrace() and why not make it the same for remote?). */ - /* ^A is the "normal character" used to make sure we are talking to EBMON - and not to the program being debugged. */ - write (eb_desc, "\001\n"); - expect_prompt (); -#endif - - write (eb_desc, "dw gr96,gr127\n", 14); - for (reg_index = 96, regnum_index = GR96_REGNUM; - reg_index < 128; - reg_index += 4, regnum_index += 4) - { - sprintf (tempbuf, "GR%03d ", reg_index); - expect (tempbuf); - get_hex_regs (4, regnum_index); - expect ("\n"); - } - - for (i = 0; i < 128; i += 32) - { - /* The PC has a tendency to hang if we get these - all in one fell swoop ("dw lr0,lr127"). */ - sprintf (tempbuf, "dw lr%d\n", i); - write (eb_desc, tempbuf, strlen (tempbuf)); - for (reg_index = i, regnum_index = LR0_REGNUM + i; - reg_index < i + 32; - reg_index += 4, regnum_index += 4) - { - sprintf (tempbuf, "LR%03d ", reg_index); - expect (tempbuf); - get_hex_regs (4, regnum_index); - expect ("\n"); - } - } - - write (eb_desc, "dw sr133,sr133\n", 15); - expect ("SR133 "); - get_hex_regs (1, BP_REGNUM); - expect ("\n"); - - write (eb_desc, "dw sr134,sr134\n", 15); - expect ("SR134 "); - get_hex_regs (1, FC_REGNUM); - expect ("\n"); - - write (eb_desc, "dw sr135,sr135\n", 15); - expect ("SR135 "); - get_hex_regs (1, CR_REGNUM); - expect ("\n"); - - write (eb_desc, "dw sr131,sr131\n", 15); - expect ("SR131 "); - get_hex_regs (1, Q_REGNUM); - expect ("\n"); - - write (eb_desc, "dw sr0,sr14\n", 12); - for (reg_index = 0, regnum_index = VAB_REGNUM; - regnum_index <= LRU_REGNUM; - regnum_index += 4, reg_index += 4) - { - sprintf (tempbuf, "SR%03d ", reg_index); - expect (tempbuf); - get_hex_regs (reg_index == 12 ? 3 : 4, regnum_index); - expect ("\n"); - } - - /* There doesn't seem to be any way to get these. */ - { - int val = -1; - supply_register (FPE_REGNUM, (char *) &val); - supply_register (INTE_REGNUM, (char *) &val); - supply_register (FPS_REGNUM, (char *) &val); - supply_register (EXO_REGNUM, (char *) &val); - } - - write (eb_desc, "dw gr1,gr1\n", 11); - expect ("GR001 "); - get_hex_regs (1, GR1_REGNUM); - expect_prompt (); -} - -/* Fetch register REGNO, or all registers if REGNO is -1. - Returns errno value. */ -void -eb_fetch_register (int regno) -{ - if (regno == -1) - eb_fetch_registers (); - else - { - char *name = get_reg_name (regno); - fprintf (eb_stream, "dw %s,%s\n", name, name); - expect (name); - expect (" "); - get_hex_regs (1, regno); - expect_prompt (); - } - return; -} - -/* Store the remote registers from the contents of the block REGS. */ - -static void -eb_store_registers (void) -{ - int i, j; - fprintf (eb_stream, "s gr1,%x\n", read_register (GR1_REGNUM)); - expect_prompt (); - - for (j = 0; j < 32; j += 16) - { - fprintf (eb_stream, "s gr%d,", j + 96); - for (i = 0; i < 15; ++i) - fprintf (eb_stream, "%x,", read_register (GR96_REGNUM + j + i)); - fprintf (eb_stream, "%x\n", read_register (GR96_REGNUM + j + 15)); - expect_prompt (); - } - - for (j = 0; j < 128; j += 16) - { - fprintf (eb_stream, "s lr%d,", j); - for (i = 0; i < 15; ++i) - fprintf (eb_stream, "%x,", read_register (LR0_REGNUM + j + i)); - fprintf (eb_stream, "%x\n", read_register (LR0_REGNUM + j + 15)); - expect_prompt (); - } - - fprintf (eb_stream, "s sr133,%x,%x,%x\n", read_register (BP_REGNUM), - read_register (FC_REGNUM), read_register (CR_REGNUM)); - expect_prompt (); - fprintf (eb_stream, "s sr131,%x\n", read_register (Q_REGNUM)); - expect_prompt (); - fprintf (eb_stream, "s sr0,"); - for (i = 0; i < 11; ++i) - fprintf (eb_stream, "%x,", read_register (VAB_REGNUM + i)); - fprintf (eb_stream, "%x\n", read_register (VAB_REGNUM + 11)); - expect_prompt (); -} - -/* Store register REGNO, or all if REGNO == 0. - Return errno value. */ -void -eb_store_register (int regno) -{ - if (regno == -1) - eb_store_registers (); - else - { - char *name = get_reg_name (regno); - fprintf (eb_stream, "s %s,%x\n", name, read_register (regno)); - /* Setting GR1 changes the numbers of all the locals, so - invalidate the register cache. Do this *after* calling - read_register, because we want read_register to return the - value that write_register has just stuffed into the registers - array, not the value of the register fetched from the - inferior. */ - if (regno == GR1_REGNUM) - registers_changed (); - expect_prompt (); - } -} - -/* Get ready to modify the registers array. On machines which store - individual registers, this doesn't need to do anything. On machines - which store all the registers in one fell swoop, this makes sure - that registers contains all the registers from the program being - debugged. */ - -void -eb_prepare_to_store (void) -{ - /* Do nothing, since we can store individual regs */ -} - -/* Transfer LEN bytes between GDB address MYADDR and target address - MEMADDR. If WRITE is non-zero, transfer them to the target, - otherwise transfer them from the target. TARGET is unused. - - Returns the number of bytes transferred. */ - -int -eb_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, - struct mem_attrib *attrib ATTRIBUTE_UNUSED, - struct target_ops *target ATTRIBUTE_UNUSED) -{ - if (write) - return eb_write_inferior_memory (memaddr, myaddr, len); - else - return eb_read_inferior_memory (memaddr, myaddr, len); -} - -void -eb_files_info (void) -{ - printf ("\tAttached to %s at %d baud and running program %s.\n", - dev_name, baudrate, prog_name); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. Returns length moved. */ -int -eb_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) -{ - int i; - - for (i = 0; i < len; i++) - { - if ((i % 16) == 0) - fprintf (eb_stream, "sb %x,", memaddr + i); - if ((i % 16) == 15 || i == len - 1) - { - fprintf (eb_stream, "%x\n", ((unsigned char *) myaddr)[i]); - expect_prompt (); - } - else - fprintf (eb_stream, "%x,", ((unsigned char *) myaddr)[i]); - } - return len; -} - -/* Read LEN bytes from inferior memory at MEMADDR. Put the result - at debugger address MYADDR. Returns length moved. */ -int -eb_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) -{ - int i; - - /* Number of bytes read so far. */ - int count; - - /* Starting address of this pass. */ - unsigned long startaddr; - - /* Number of bytes to read in this pass. */ - int len_this_pass; - - /* Note that this code works correctly if startaddr is just less - than UINT_MAX (well, really CORE_ADDR_MAX if there was such a - thing). That is, something like - eb_read_bytes (CORE_ADDR_MAX - 4, foo, 4) - works--it never adds len to memaddr and gets 0. */ - /* However, something like - eb_read_bytes (CORE_ADDR_MAX - 3, foo, 4) - doesn't need to work. Detect it and give up if there's an attempt - to do that. */ - if (((memaddr - 1) + len) < memaddr) - { - errno = EIO; - return 0; - } - - startaddr = memaddr; - count = 0; - while (count < len) - { - len_this_pass = 16; - if ((startaddr % 16) != 0) - len_this_pass -= startaddr % 16; - if (len_this_pass > (len - count)) - len_this_pass = (len - count); - - fprintf (eb_stream, "db %x,%x\n", startaddr, - (startaddr - 1) + len_this_pass); - expect ("\n"); - - /* Look for 8 hex digits. */ - i = 0; - while (1) - { - if (isxdigit (readchar ())) - ++i; - else - { - expect_prompt (); - error ("Hex digit expected from remote system."); - } - if (i >= 8) - break; - } - - expect (" "); - - for (i = 0; i < len_this_pass; i++) - get_hex_byte (&myaddr[count++]); - - expect_prompt (); - - startaddr += len_this_pass; - } - return len; -} - -static void -eb_kill (char *args, int from_tty) -{ - return; /* Ignore attempts to kill target system */ -} - -/* Clean up when a program exits. - - The program actually lives on in the remote processor's RAM, and may be - run again without a download. Don't leave it full of breakpoint - instructions. */ - -void -eb_mourn_inferior (void) -{ - remove_breakpoints (); - unpush_target (&eb_ops); - generic_mourn_inferior (); /* Do all the proper things now */ -} -/* Define the target subroutine names */ - -struct target_ops eb_ops; - -static void -init_eb_ops (void) -{ - eb_ops.to_shortname = "amd-eb"; - eb_ops.to_longname = "Remote serial AMD EBMON target"; - eb_ops.to_doc = "Use a remote computer running EBMON connected by a serial line.\n\ -Arguments are the name of the device for the serial line,\n\ -the speed to connect at in bits per second, and the filename of the\n\ -executable as it exists on the remote computer. For example,\n\ -target amd-eb /dev/ttya 9600 demo", - eb_ops.to_open = eb_open; - eb_ops.to_close = eb_close; - eb_ops.to_attach = 0; - eb_ops.to_post_attach = NULL; - eb_ops.to_require_attach = NULL; - eb_ops.to_detach = eb_detach; - eb_ops.to_require_detach = NULL; - eb_ops.to_resume = eb_resume; - eb_ops.to_wait = eb_wait; - eb_ops.to_post_wait = NULL; - eb_ops.to_fetch_registers = eb_fetch_register; - eb_ops.to_store_registers = eb_store_register; - eb_ops.to_prepare_to_store = eb_prepare_to_store; - eb_ops.to_xfer_memory = eb_xfer_inferior_memory; - eb_ops.to_files_info = eb_files_info; - eb_ops.to_insert_breakpoint = 0; - eb_ops.to_remove_breakpoint = 0; /* Breakpoints */ - eb_ops.to_terminal_init = 0; - eb_ops.to_terminal_inferior = 0; - eb_ops.to_terminal_ours_for_output = 0; - eb_ops.to_terminal_ours = 0; - eb_ops.to_terminal_info = 0; /* Terminal handling */ - eb_ops.to_kill = eb_kill; - eb_ops.to_load = generic_load; /* load */ - eb_ops.to_lookup_symbol = 0; /* lookup_symbol */ - eb_ops.to_create_inferior = eb_create_inferior; - eb_ops.to_post_startup_inferior = NULL; - eb_ops.to_acknowledge_created_inferior = NULL; - eb_ops.to_clone_and_follow_inferior = NULL; - eb_ops.to_post_follow_inferior_by_clone = NULL; - eb_ops.to_insert_fork_catchpoint = NULL; - eb_ops.to_remove_fork_catchpoint = NULL; - eb_ops.to_insert_vfork_catchpoint = NULL; - eb_ops.to_remove_vfork_catchpoint = NULL; - eb_ops.to_has_forked = NULL; - eb_ops.to_has_vforked = NULL; - eb_ops.to_can_follow_vfork_prior_to_exec = NULL; - eb_ops.to_post_follow_vfork = NULL; - eb_ops.to_insert_exec_catchpoint = NULL; - eb_ops.to_remove_exec_catchpoint = NULL; - eb_ops.to_has_execd = NULL; - eb_ops.to_reported_exec_events_per_exec_call = NULL; - eb_ops.to_has_exited = NULL; - eb_ops.to_mourn_inferior = eb_mourn_inferior; - eb_ops.to_can_run = 0; /* can_run */ - eb_ops.to_notice_signals = 0; /* notice_signals */ - eb_ops.to_thread_alive = 0; /* thread-alive */ - eb_ops.to_stop = 0; /* to_stop */ - eb_ops.to_pid_to_exec_file = NULL; - eb_ops.to_stratum = process_stratum; - eb_ops.DONT_USE = 0; /* next */ - eb_ops.to_has_all_memory = 1; - eb_ops.to_has_memory = 1; - eb_ops.to_has_stack = 1; - eb_ops.to_has_registers = 1; - eb_ops.to_has_execution = 1; /* all mem, mem, stack, regs, exec */ - eb_ops.to_sections = 0; /* sections */ - eb_ops.to_sections_end = 0; /* sections end */ - eb_ops.to_magic = OPS_MAGIC; /* Always the last thing */ -}; - -void -_initialize_remote_eb (void) -{ - init_eb_ops (); - add_target (&eb_ops); -} +/* OBSOLETE /* Remote debugging interface for AMD 29000 EBMON on IBM PC, for GDB. */ +/* OBSOLETE Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001 */ +/* OBSOLETE Free Software Foundation, Inc. */ +/* OBSOLETE Contributed by Cygnus Support. Written by Jim Kingdon for Cygnus. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ +/* OBSOLETE Boston, MA 02111-1307, USA. */ */ +/* OBSOLETE */ +/* OBSOLETE /* This is like remote.c but is for an esoteric situation-- */ +/* OBSOLETE having a a29k board in a PC hooked up to a unix machine with */ +/* OBSOLETE a serial line, and running ctty com1 on the PC, through which */ +/* OBSOLETE the unix machine can run ebmon. Not to mention that the PC */ +/* OBSOLETE has PC/NFS, so it can access the same executables that gdb can, */ +/* OBSOLETE over the net in real time. */ */ +/* OBSOLETE */ +/* OBSOLETE #include "defs.h" */ +/* OBSOLETE #include "gdb_string.h" */ +/* OBSOLETE #include "regcache.h" */ +/* OBSOLETE */ +/* OBSOLETE #include "inferior.h" */ +/* OBSOLETE #include "bfd.h" */ +/* OBSOLETE #include "symfile.h" */ +/* OBSOLETE #include "value.h" */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include "terminal.h" */ +/* OBSOLETE #include "target.h" */ +/* OBSOLETE #include "gdbcore.h" */ +/* OBSOLETE */ +/* OBSOLETE extern struct target_ops eb_ops; /* Forward declaration */ */ +/* OBSOLETE */ +/* OBSOLETE static void eb_close (); */ +/* OBSOLETE */ +/* OBSOLETE #define LOG_FILE "eb.log" */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE FILE *log_file; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE static int timeout = 24; */ +/* OBSOLETE */ +/* OBSOLETE /* Descriptor for I/O to remote machine. Initialize it to -1 so that */ +/* OBSOLETE eb_open knows that we don't have a file open when the program */ +/* OBSOLETE starts. */ */ +/* OBSOLETE int eb_desc = -1; */ +/* OBSOLETE */ +/* OBSOLETE /* stream which is fdopen'd from eb_desc. Only valid when */ +/* OBSOLETE eb_desc != -1. */ */ +/* OBSOLETE FILE *eb_stream; */ +/* OBSOLETE */ +/* OBSOLETE /* Read a character from the remote system, doing all the fancy */ +/* OBSOLETE timeout stuff. */ */ +/* OBSOLETE static int */ +/* OBSOLETE readchar (void) */ +/* OBSOLETE { */ +/* OBSOLETE char buf; */ +/* OBSOLETE */ +/* OBSOLETE buf = '\0'; */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE /* termio does the timeout for us. */ */ +/* OBSOLETE read (eb_desc, &buf, 1); */ +/* OBSOLETE #else */ +/* OBSOLETE alarm (timeout); */ +/* OBSOLETE if (read (eb_desc, &buf, 1) < 0) */ +/* OBSOLETE { */ +/* OBSOLETE if (errno == EINTR) */ +/* OBSOLETE error ("Timeout reading from remote system."); */ +/* OBSOLETE else */ +/* OBSOLETE perror_with_name ("remote"); */ +/* OBSOLETE } */ +/* OBSOLETE alarm (0); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE if (buf == '\0') */ +/* OBSOLETE error ("Timeout reading from remote system."); */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE putc (buf & 0x7f, log_file); */ +/* OBSOLETE #endif */ +/* OBSOLETE return buf & 0x7f; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Keep discarding input from the remote system, until STRING is found. */ +/* OBSOLETE Let the user break out immediately. */ */ +/* OBSOLETE static void */ +/* OBSOLETE expect (char *string) */ +/* OBSOLETE { */ +/* OBSOLETE char *p = string; */ +/* OBSOLETE */ +/* OBSOLETE immediate_quit++; */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE if (readchar () == *p) */ +/* OBSOLETE { */ +/* OBSOLETE p++; */ +/* OBSOLETE if (*p == '\0') */ +/* OBSOLETE { */ +/* OBSOLETE immediate_quit--; */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE p = string; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Keep discarding input until we see the ebmon prompt. */ +/* OBSOLETE */ +/* OBSOLETE The convention for dealing with the prompt is that you */ +/* OBSOLETE o give your command */ +/* OBSOLETE o *then* wait for the prompt. */ +/* OBSOLETE */ +/* OBSOLETE Thus the last thing that a procedure does with the serial line */ +/* OBSOLETE will be an expect_prompt(). Exception: eb_resume does not */ +/* OBSOLETE wait for the prompt, because the terminal is being handed over */ +/* OBSOLETE to the inferior. However, the next thing which happens after that */ +/* OBSOLETE is a eb_wait which does wait for the prompt. */ +/* OBSOLETE Note that this includes abnormal exit, e.g. error(). This is */ +/* OBSOLETE necessary to prevent getting into states from which we can't */ +/* OBSOLETE recover. */ */ +/* OBSOLETE static void */ +/* OBSOLETE expect_prompt (void) */ +/* OBSOLETE { */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE /* This is a convenient place to do this. The idea is to do it often */ +/* OBSOLETE enough that we never lose much data if we terminate abnormally. */ */ +/* OBSOLETE fflush (log_file); */ +/* OBSOLETE #endif */ +/* OBSOLETE expect ("\n# "); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get a hex digit from the remote system & return its value. */ +/* OBSOLETE If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */ */ +/* OBSOLETE static int */ +/* OBSOLETE get_hex_digit (int ignore_space) */ +/* OBSOLETE { */ +/* OBSOLETE int ch; */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE ch = readchar (); */ +/* OBSOLETE if (ch >= '0' && ch <= '9') */ +/* OBSOLETE return ch - '0'; */ +/* OBSOLETE else if (ch >= 'A' && ch <= 'F') */ +/* OBSOLETE return ch - 'A' + 10; */ +/* OBSOLETE else if (ch >= 'a' && ch <= 'f') */ +/* OBSOLETE return ch - 'a' + 10; */ +/* OBSOLETE else if (ch == ' ' && ignore_space) */ +/* OBSOLETE ; */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE error ("Invalid hex digit from remote system."); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get a byte from eb_desc and put it in *BYT. Accept any number */ +/* OBSOLETE leading spaces. */ */ +/* OBSOLETE static void */ +/* OBSOLETE get_hex_byte (char *byt) */ +/* OBSOLETE { */ +/* OBSOLETE int val; */ +/* OBSOLETE */ +/* OBSOLETE val = get_hex_digit (1) << 4; */ +/* OBSOLETE val |= get_hex_digit (0); */ +/* OBSOLETE *byt = val; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get N 32-bit words from remote, each preceded by a space, */ +/* OBSOLETE and put them in registers starting at REGNO. */ */ +/* OBSOLETE static void */ +/* OBSOLETE get_hex_regs (int n, int regno) */ +/* OBSOLETE { */ +/* OBSOLETE long val; */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < n; i++) */ +/* OBSOLETE { */ +/* OBSOLETE int j; */ +/* OBSOLETE */ +/* OBSOLETE val = 0; */ +/* OBSOLETE for (j = 0; j < 8; j++) */ +/* OBSOLETE val = (val << 4) + get_hex_digit (j == 0); */ +/* OBSOLETE supply_register (regno++, (char *) &val); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Called when SIGALRM signal sent due to alarm() timeout. */ */ +/* OBSOLETE #ifndef HAVE_TERMIO */ +/* OBSOLETE */ +/* OBSOLETE volatile int n_alarms; */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE eb_timer (void) */ +/* OBSOLETE { */ +/* OBSOLETE #if 0 */ +/* OBSOLETE if (kiodebug) */ +/* OBSOLETE printf ("eb_timer called\n"); */ +/* OBSOLETE #endif */ +/* OBSOLETE n_alarms++; */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* malloc'd name of the program on the remote system. */ */ +/* OBSOLETE static char *prog_name = NULL; */ +/* OBSOLETE */ +/* OBSOLETE /* Nonzero if we have loaded the file ("yc") and not yet issued a "gi" */ +/* OBSOLETE command. "gi" is supposed to happen exactly once for each "yc". */ */ +/* OBSOLETE static int need_gi = 0; */ +/* OBSOLETE */ +/* OBSOLETE /* Number of SIGTRAPs we need to simulate. That is, the next */ +/* OBSOLETE NEED_ARTIFICIAL_TRAP calls to eb_wait should just return */ +/* OBSOLETE SIGTRAP without actually waiting for anything. */ */ +/* OBSOLETE */ +/* OBSOLETE static int need_artificial_trap = 0; */ +/* OBSOLETE */ +/* OBSOLETE /* This is called not only when we first attach, but also when the */ +/* OBSOLETE user types "run" after having attached. */ */ +/* OBSOLETE static void */ +/* OBSOLETE eb_create_inferior (char *execfile, char *args, char **env) */ +/* OBSOLETE { */ +/* OBSOLETE int entry_pt; */ +/* OBSOLETE */ +/* OBSOLETE if (args && *args) */ +/* OBSOLETE error ("Can't pass arguments to remote EBMON process"); */ +/* OBSOLETE */ +/* OBSOLETE if (execfile == 0 || exec_bfd == 0) */ +/* OBSOLETE error ("No executable file specified"); */ +/* OBSOLETE */ +/* OBSOLETE entry_pt = (int) bfd_get_start_address (exec_bfd); */ +/* OBSOLETE */ +/* OBSOLETE { */ +/* OBSOLETE /* OK, now read in the file. Y=read, C=COFF, D=no symbols */ +/* OBSOLETE 0=start address, %s=filename. */ */ +/* OBSOLETE */ +/* OBSOLETE fprintf (eb_stream, "YC D,0:%s", prog_name); */ +/* OBSOLETE */ +/* OBSOLETE if (args != NULL) */ +/* OBSOLETE fprintf (eb_stream, " %s", args); */ +/* OBSOLETE */ +/* OBSOLETE fprintf (eb_stream, "\n"); */ +/* OBSOLETE fflush (eb_stream); */ +/* OBSOLETE */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE need_gi = 1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* The "process" (board) is already stopped awaiting our commands, and */ +/* OBSOLETE the program is already downloaded. We just set its PC and go. */ */ +/* OBSOLETE */ +/* OBSOLETE clear_proceed_status (); */ +/* OBSOLETE */ +/* OBSOLETE /* Tell wait_for_inferior that we've started a new process. */ */ +/* OBSOLETE init_wait_for_inferior (); */ +/* OBSOLETE */ +/* OBSOLETE /* Set up the "saved terminal modes" of the inferior */ +/* OBSOLETE based on what modes we are starting it with. */ */ +/* OBSOLETE target_terminal_init (); */ +/* OBSOLETE */ +/* OBSOLETE /* Install inferior's terminal modes. */ */ +/* OBSOLETE target_terminal_inferior (); */ +/* OBSOLETE */ +/* OBSOLETE /* insert_step_breakpoint (); FIXME, do we need this? */ */ +/* OBSOLETE proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0); /* Let 'er rip... */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Translate baud rates from integers to damn B_codes. Unix should */ +/* OBSOLETE have outgrown this crap years ago, but even POSIX wouldn't buck it. */ */ +/* OBSOLETE */ +/* OBSOLETE #ifndef B19200 */ +/* OBSOLETE #define B19200 EXTA */ +/* OBSOLETE #endif */ +/* OBSOLETE #ifndef B38400 */ +/* OBSOLETE #define B38400 EXTB */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE struct */ +/* OBSOLETE { */ +/* OBSOLETE int rate, damn_b; */ +/* OBSOLETE } */ +/* OBSOLETE baudtab[] = */ +/* OBSOLETE { */ +/* OBSOLETE { */ +/* OBSOLETE 0, B0 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 50, B50 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 75, B75 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 110, B110 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 134, B134 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 150, B150 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 200, B200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 300, B300 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 600, B600 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 1200, B1200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 1800, B1800 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 2400, B2400 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 4800, B4800 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 9600, B9600 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 19200, B19200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 38400, B38400 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE -1, -1 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE }; */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE damn_b (int rate) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; baudtab[i].rate != -1; i++) */ +/* OBSOLETE if (rate == baudtab[i].rate) */ +/* OBSOLETE return baudtab[i].damn_b; */ +/* OBSOLETE return B38400; /* Random */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Open a connection to a remote debugger. */ +/* OBSOLETE NAME is the filename used for communication, then a space, */ +/* OBSOLETE then the name of the program as we should name it to EBMON. */ */ +/* OBSOLETE */ +/* OBSOLETE static int baudrate = 9600; */ +/* OBSOLETE static char *dev_name; */ +/* OBSOLETE void */ +/* OBSOLETE eb_open (char *name, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE TERMINAL sg; */ +/* OBSOLETE */ +/* OBSOLETE char *p; */ +/* OBSOLETE */ +/* OBSOLETE target_preopen (from_tty); */ +/* OBSOLETE */ +/* OBSOLETE /* Find the first whitespace character, it separates dev_name from */ +/* OBSOLETE prog_name. */ */ +/* OBSOLETE if (name == 0) */ +/* OBSOLETE goto erroid; */ +/* OBSOLETE */ +/* OBSOLETE for (p = name; */ +/* OBSOLETE *p != '\0' && !isspace (*p); p++) */ +/* OBSOLETE ; */ +/* OBSOLETE if (*p == '\0') */ +/* OBSOLETE erroid: */ +/* OBSOLETE error ("\ */ +/* OBSOLETE Please include the name of the device for the serial port,\n\ */ +/* OBSOLETE the baud rate, and the name of the program to run on the remote system."); */ +/* OBSOLETE dev_name = alloca (p - name + 1); */ +/* OBSOLETE strncpy (dev_name, name, p - name); */ +/* OBSOLETE dev_name[p - name] = '\0'; */ +/* OBSOLETE */ +/* OBSOLETE /* Skip over the whitespace after dev_name */ */ +/* OBSOLETE for (; isspace (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE */ +/* OBSOLETE if (1 != sscanf (p, "%d ", &baudrate)) */ +/* OBSOLETE goto erroid; */ +/* OBSOLETE */ +/* OBSOLETE /* Skip the number and then the spaces */ */ +/* OBSOLETE for (; isdigit (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE for (; isspace (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE */ +/* OBSOLETE if (prog_name != NULL) */ +/* OBSOLETE xfree (prog_name); */ +/* OBSOLETE prog_name = savestring (p, strlen (p)); */ +/* OBSOLETE */ +/* OBSOLETE eb_close (0); */ +/* OBSOLETE */ +/* OBSOLETE eb_desc = open (dev_name, O_RDWR); */ +/* OBSOLETE if (eb_desc < 0) */ +/* OBSOLETE perror_with_name (dev_name); */ +/* OBSOLETE ioctl (eb_desc, TIOCGETP, &sg); */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE sg.c_cc[VMIN] = 0; /* read with timeout. */ */ +/* OBSOLETE sg.c_cc[VTIME] = timeout * 10; */ +/* OBSOLETE sg.c_lflag &= ~(ICANON | ECHO); */ +/* OBSOLETE sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate); */ +/* OBSOLETE #else */ +/* OBSOLETE sg.sg_ispeed = damn_b (baudrate); */ +/* OBSOLETE sg.sg_ospeed = damn_b (baudrate); */ +/* OBSOLETE sg.sg_flags |= RAW | ANYP; */ +/* OBSOLETE sg.sg_flags &= ~ECHO; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE ioctl (eb_desc, TIOCSETP, &sg); */ +/* OBSOLETE eb_stream = fdopen (eb_desc, "r+"); */ +/* OBSOLETE */ +/* OBSOLETE push_target (&eb_ops); */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf ("Remote %s debugging %s using %s\n", target_shortname, */ +/* OBSOLETE prog_name, dev_name); */ +/* OBSOLETE */ +/* OBSOLETE #ifndef HAVE_TERMIO */ +/* OBSOLETE #ifndef NO_SIGINTERRUPT */ +/* OBSOLETE /* Cause SIGALRM's to make reads fail with EINTR instead of resuming */ +/* OBSOLETE the read. */ */ +/* OBSOLETE if (siginterrupt (SIGALRM, 1) != 0) */ +/* OBSOLETE perror ("eb_open: error in siginterrupt"); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Set up read timeout timer. */ */ +/* OBSOLETE if ((void (*)) signal (SIGALRM, eb_timer) == (void (*)) -1) */ +/* OBSOLETE perror ("eb_open: error in signal"); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE log_file = fopen (LOG_FILE, "w"); */ +/* OBSOLETE if (log_file == NULL) */ +/* OBSOLETE perror_with_name (LOG_FILE); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Hello? Are you there? */ */ +/* OBSOLETE write (eb_desc, "\n", 1); */ +/* OBSOLETE */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Close out all files and local state before this target loses control. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE eb_close (int quitting) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE /* Due to a bug in Unix, fclose closes not only the stdio stream, */ +/* OBSOLETE but also the file descriptor. So we don't actually close */ +/* OBSOLETE eb_desc. */ */ +/* OBSOLETE if (eb_stream) */ +/* OBSOLETE fclose (eb_stream); /* This also closes eb_desc */ */ +/* OBSOLETE if (eb_desc >= 0) */ +/* OBSOLETE /* close (eb_desc); */ */ +/* OBSOLETE */ +/* OBSOLETE /* Do not try to close eb_desc again, later in the program. */ */ +/* OBSOLETE eb_stream = NULL; */ +/* OBSOLETE eb_desc = -1; */ +/* OBSOLETE */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE if (log_file) */ +/* OBSOLETE { */ +/* OBSOLETE if (ferror (log_file)) */ +/* OBSOLETE printf ("Error writing log file.\n"); */ +/* OBSOLETE if (fclose (log_file) != 0) */ +/* OBSOLETE printf ("Error closing log file.\n"); */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Terminate the open connection to the remote debugger. */ +/* OBSOLETE Use this when you want to detach and do something else */ +/* OBSOLETE with your gdb. */ */ +/* OBSOLETE void */ +/* OBSOLETE eb_detach (int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE pop_target (); /* calls eb_close to do the real work */ */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf ("Ending remote %s debugging\n", target_shortname); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Tell the remote machine to resume. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE eb_resume (ptid_t ptid, int step, enum target_signal sig) */ +/* OBSOLETE { */ +/* OBSOLETE if (step) */ +/* OBSOLETE { */ +/* OBSOLETE write (eb_desc, "t 1,s\n", 6); */ +/* OBSOLETE /* Wait for the echo. */ */ +/* OBSOLETE expect ("t 1,s\r"); */ +/* OBSOLETE /* Then comes a line containing the instruction we stepped to. */ */ +/* OBSOLETE expect ("\n@"); */ +/* OBSOLETE /* Then we get the prompt. */ */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE /* Force the next eb_wait to return a trap. Not doing anything */ +/* OBSOLETE about I/O from the target means that the user has to type */ +/* OBSOLETE "continue" to see any. This should be fixed. */ */ +/* OBSOLETE need_artificial_trap = 1; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE if (need_gi) */ +/* OBSOLETE { */ +/* OBSOLETE need_gi = 0; */ +/* OBSOLETE write (eb_desc, "gi\n", 3); */ +/* OBSOLETE */ +/* OBSOLETE /* Swallow the echo of "gi". */ */ +/* OBSOLETE expect ("gi\r"); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE write (eb_desc, "GR\n", 3); */ +/* OBSOLETE /* Swallow the echo. */ */ +/* OBSOLETE expect ("GR\r"); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Wait until the remote machine stops, then return, */ +/* OBSOLETE storing status in STATUS just as `wait' would. */ */ +/* OBSOLETE */ +/* OBSOLETE ptid_t */ +/* OBSOLETE eb_wait (ptid_t ptid, struct target_waitstatus *status) */ +/* OBSOLETE { */ +/* OBSOLETE /* Strings to look for. '?' means match any single character. */ +/* OBSOLETE Note that with the algorithm we use, the initial character */ +/* OBSOLETE of the string cannot recur in the string, or we will not */ +/* OBSOLETE find some cases of the string in the input. */ */ +/* OBSOLETE */ +/* OBSOLETE static char bpt[] = "Invalid interrupt taken - #0x50 - "; */ +/* OBSOLETE /* It would be tempting to look for "\n[__exit + 0x8]\n" */ +/* OBSOLETE but that requires loading symbols with "yc i" and even if */ +/* OBSOLETE we did do that we don't know that the file has symbols. */ */ +/* OBSOLETE static char exitmsg[] = "\n@????????I JMPTI GR121,LR0"; */ +/* OBSOLETE char *bp = bpt; */ +/* OBSOLETE char *ep = exitmsg; */ +/* OBSOLETE */ +/* OBSOLETE /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */ */ +/* OBSOLETE char swallowed[50]; */ +/* OBSOLETE /* Current position in swallowed. */ */ +/* OBSOLETE char *swallowed_p = swallowed; */ +/* OBSOLETE */ +/* OBSOLETE int ch; */ +/* OBSOLETE int ch_handled; */ +/* OBSOLETE */ +/* OBSOLETE int old_timeout = timeout; */ +/* OBSOLETE */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE */ +/* OBSOLETE if (need_artificial_trap != 0) */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE need_artificial_trap--; */ +/* OBSOLETE return 0; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE timeout = 0; /* Don't time out -- user program is running. */ */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE ch_handled = 0; */ +/* OBSOLETE ch = readchar (); */ +/* OBSOLETE if (ch == *bp) */ +/* OBSOLETE { */ +/* OBSOLETE bp++; */ +/* OBSOLETE if (*bp == '\0') */ +/* OBSOLETE break; */ +/* OBSOLETE ch_handled = 1; */ +/* OBSOLETE */ +/* OBSOLETE *swallowed_p++ = ch; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE bp = bpt; */ +/* OBSOLETE */ +/* OBSOLETE if (ch == *ep || *ep == '?') */ +/* OBSOLETE { */ +/* OBSOLETE ep++; */ +/* OBSOLETE if (*ep == '\0') */ +/* OBSOLETE break; */ +/* OBSOLETE */ +/* OBSOLETE if (!ch_handled) */ +/* OBSOLETE *swallowed_p++ = ch; */ +/* OBSOLETE ch_handled = 1; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE ep = exitmsg; */ +/* OBSOLETE */ +/* OBSOLETE if (!ch_handled) */ +/* OBSOLETE { */ +/* OBSOLETE char *p; */ +/* OBSOLETE */ +/* OBSOLETE /* Print out any characters which have been swallowed. */ */ +/* OBSOLETE for (p = swallowed; p < swallowed_p; ++p) */ +/* OBSOLETE putc (*p, stdout); */ +/* OBSOLETE swallowed_p = swallowed; */ +/* OBSOLETE */ +/* OBSOLETE putc (ch, stdout); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE if (*bp == '\0') */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE } */ +/* OBSOLETE timeout = old_timeout; */ +/* OBSOLETE */ +/* OBSOLETE return 0; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Return the name of register number REGNO */ +/* OBSOLETE in the form input and output by EBMON. */ +/* OBSOLETE */ +/* OBSOLETE Returns a pointer to a static buffer containing the answer. */ */ +/* OBSOLETE static char * */ +/* OBSOLETE get_reg_name (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE static char buf[80]; */ +/* OBSOLETE if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) */ +/* OBSOLETE sprintf (buf, "GR%03d", regno - GR96_REGNUM + 96); */ +/* OBSOLETE else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) */ +/* OBSOLETE sprintf (buf, "LR%03d", regno - LR0_REGNUM); */ +/* OBSOLETE else if (regno == Q_REGNUM) */ +/* OBSOLETE strcpy (buf, "SR131"); */ +/* OBSOLETE else if (regno >= BP_REGNUM && regno <= CR_REGNUM) */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - BP_REGNUM + 133); */ +/* OBSOLETE else if (regno == ALU_REGNUM) */ +/* OBSOLETE strcpy (buf, "SR132"); */ +/* OBSOLETE else if (regno >= IPC_REGNUM && regno <= IPB_REGNUM) */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - IPC_REGNUM + 128); */ +/* OBSOLETE else if (regno >= VAB_REGNUM && regno <= LRU_REGNUM) */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - VAB_REGNUM); */ +/* OBSOLETE else if (regno == GR1_REGNUM) */ +/* OBSOLETE strcpy (buf, "GR001"); */ +/* OBSOLETE return buf; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Read the remote registers into the block REGS. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE eb_fetch_registers (void) */ +/* OBSOLETE { */ +/* OBSOLETE int reg_index; */ +/* OBSOLETE int regnum_index; */ +/* OBSOLETE char tempbuf[10]; */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE #if 0 */ +/* OBSOLETE /* This should not be necessary, because one is supposed to read the */ +/* OBSOLETE registers only when the inferior is stopped (at least with */ +/* OBSOLETE ptrace() and why not make it the same for remote?). */ */ +/* OBSOLETE /* ^A is the "normal character" used to make sure we are talking to EBMON */ +/* OBSOLETE and not to the program being debugged. */ */ +/* OBSOLETE write (eb_desc, "\001\n"); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw gr96,gr127\n", 14); */ +/* OBSOLETE for (reg_index = 96, regnum_index = GR96_REGNUM; */ +/* OBSOLETE reg_index < 128; */ +/* OBSOLETE reg_index += 4, regnum_index += 4) */ +/* OBSOLETE { */ +/* OBSOLETE sprintf (tempbuf, "GR%03d ", reg_index); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE get_hex_regs (4, regnum_index); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < 128; i += 32) */ +/* OBSOLETE { */ +/* OBSOLETE /* The PC has a tendency to hang if we get these */ +/* OBSOLETE all in one fell swoop ("dw lr0,lr127"). */ */ +/* OBSOLETE sprintf (tempbuf, "dw lr%d\n", i); */ +/* OBSOLETE write (eb_desc, tempbuf, strlen (tempbuf)); */ +/* OBSOLETE for (reg_index = i, regnum_index = LR0_REGNUM + i; */ +/* OBSOLETE reg_index < i + 32; */ +/* OBSOLETE reg_index += 4, regnum_index += 4) */ +/* OBSOLETE { */ +/* OBSOLETE sprintf (tempbuf, "LR%03d ", reg_index); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE get_hex_regs (4, regnum_index); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr133,sr133\n", 15); */ +/* OBSOLETE expect ("SR133 "); */ +/* OBSOLETE get_hex_regs (1, BP_REGNUM); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr134,sr134\n", 15); */ +/* OBSOLETE expect ("SR134 "); */ +/* OBSOLETE get_hex_regs (1, FC_REGNUM); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr135,sr135\n", 15); */ +/* OBSOLETE expect ("SR135 "); */ +/* OBSOLETE get_hex_regs (1, CR_REGNUM); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr131,sr131\n", 15); */ +/* OBSOLETE expect ("SR131 "); */ +/* OBSOLETE get_hex_regs (1, Q_REGNUM); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr0,sr14\n", 12); */ +/* OBSOLETE for (reg_index = 0, regnum_index = VAB_REGNUM; */ +/* OBSOLETE regnum_index <= LRU_REGNUM; */ +/* OBSOLETE regnum_index += 4, reg_index += 4) */ +/* OBSOLETE { */ +/* OBSOLETE sprintf (tempbuf, "SR%03d ", reg_index); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE get_hex_regs (reg_index == 12 ? 3 : 4, regnum_index); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* There doesn't seem to be any way to get these. */ */ +/* OBSOLETE { */ +/* OBSOLETE int val = -1; */ +/* OBSOLETE supply_register (FPE_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (INTE_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (FPS_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (EXO_REGNUM, (char *) &val); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw gr1,gr1\n", 11); */ +/* OBSOLETE expect ("GR001 "); */ +/* OBSOLETE get_hex_regs (1, GR1_REGNUM); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Fetch register REGNO, or all registers if REGNO is -1. */ +/* OBSOLETE Returns errno value. */ */ +/* OBSOLETE void */ +/* OBSOLETE eb_fetch_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE if (regno == -1) */ +/* OBSOLETE eb_fetch_registers (); */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE char *name = get_reg_name (regno); */ +/* OBSOLETE fprintf (eb_stream, "dw %s,%s\n", name, name); */ +/* OBSOLETE expect (name); */ +/* OBSOLETE expect (" "); */ +/* OBSOLETE get_hex_regs (1, regno); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Store the remote registers from the contents of the block REGS. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE eb_store_registers (void) */ +/* OBSOLETE { */ +/* OBSOLETE int i, j; */ +/* OBSOLETE fprintf (eb_stream, "s gr1,%x\n", read_register (GR1_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE for (j = 0; j < 32; j += 16) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (eb_stream, "s gr%d,", j + 96); */ +/* OBSOLETE for (i = 0; i < 15; ++i) */ +/* OBSOLETE fprintf (eb_stream, "%x,", read_register (GR96_REGNUM + j + i)); */ +/* OBSOLETE fprintf (eb_stream, "%x\n", read_register (GR96_REGNUM + j + 15)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE for (j = 0; j < 128; j += 16) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (eb_stream, "s lr%d,", j); */ +/* OBSOLETE for (i = 0; i < 15; ++i) */ +/* OBSOLETE fprintf (eb_stream, "%x,", read_register (LR0_REGNUM + j + i)); */ +/* OBSOLETE fprintf (eb_stream, "%x\n", read_register (LR0_REGNUM + j + 15)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE fprintf (eb_stream, "s sr133,%x,%x,%x\n", read_register (BP_REGNUM), */ +/* OBSOLETE read_register (FC_REGNUM), read_register (CR_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE fprintf (eb_stream, "s sr131,%x\n", read_register (Q_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE fprintf (eb_stream, "s sr0,"); */ +/* OBSOLETE for (i = 0; i < 11; ++i) */ +/* OBSOLETE fprintf (eb_stream, "%x,", read_register (VAB_REGNUM + i)); */ +/* OBSOLETE fprintf (eb_stream, "%x\n", read_register (VAB_REGNUM + 11)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Store register REGNO, or all if REGNO == 0. */ +/* OBSOLETE Return errno value. */ */ +/* OBSOLETE void */ +/* OBSOLETE eb_store_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE if (regno == -1) */ +/* OBSOLETE eb_store_registers (); */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE char *name = get_reg_name (regno); */ +/* OBSOLETE fprintf (eb_stream, "s %s,%x\n", name, read_register (regno)); */ +/* OBSOLETE /* Setting GR1 changes the numbers of all the locals, so */ +/* OBSOLETE invalidate the register cache. Do this *after* calling */ +/* OBSOLETE read_register, because we want read_register to return the */ +/* OBSOLETE value that write_register has just stuffed into the registers */ +/* OBSOLETE array, not the value of the register fetched from the */ +/* OBSOLETE inferior. */ */ +/* OBSOLETE if (regno == GR1_REGNUM) */ +/* OBSOLETE registers_changed (); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get ready to modify the registers array. On machines which store */ +/* OBSOLETE individual registers, this doesn't need to do anything. On machines */ +/* OBSOLETE which store all the registers in one fell swoop, this makes sure */ +/* OBSOLETE that registers contains all the registers from the program being */ +/* OBSOLETE debugged. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE eb_prepare_to_store (void) */ +/* OBSOLETE { */ +/* OBSOLETE /* Do nothing, since we can store individual regs */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Transfer LEN bytes between GDB address MYADDR and target address */ +/* OBSOLETE MEMADDR. If WRITE is non-zero, transfer them to the target, */ +/* OBSOLETE otherwise transfer them from the target. TARGET is unused. */ +/* OBSOLETE */ +/* OBSOLETE Returns the number of bytes transferred. */ */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE eb_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, */ +/* OBSOLETE struct mem_attrib *attrib ATTRIBUTE_UNUSED, */ +/* OBSOLETE struct target_ops *target ATTRIBUTE_UNUSED) */ +/* OBSOLETE { */ +/* OBSOLETE if (write) */ +/* OBSOLETE return eb_write_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE else */ +/* OBSOLETE return eb_read_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE eb_files_info (void) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("\tAttached to %s at %d baud and running program %s.\n", */ +/* OBSOLETE dev_name, baudrate, prog_name); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Copy LEN bytes of data from debugger memory at MYADDR */ +/* OBSOLETE to inferior's memory at MEMADDR. Returns length moved. */ */ +/* OBSOLETE int */ +/* OBSOLETE eb_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < len; i++) */ +/* OBSOLETE { */ +/* OBSOLETE if ((i % 16) == 0) */ +/* OBSOLETE fprintf (eb_stream, "sb %x,", memaddr + i); */ +/* OBSOLETE if ((i % 16) == 15 || i == len - 1) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (eb_stream, "%x\n", ((unsigned char *) myaddr)[i]); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE fprintf (eb_stream, "%x,", ((unsigned char *) myaddr)[i]); */ +/* OBSOLETE } */ +/* OBSOLETE return len; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Read LEN bytes from inferior memory at MEMADDR. Put the result */ +/* OBSOLETE at debugger address MYADDR. Returns length moved. */ */ +/* OBSOLETE int */ +/* OBSOLETE eb_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes read so far. */ */ +/* OBSOLETE int count; */ +/* OBSOLETE */ +/* OBSOLETE /* Starting address of this pass. */ */ +/* OBSOLETE unsigned long startaddr; */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes to read in this pass. */ */ +/* OBSOLETE int len_this_pass; */ +/* OBSOLETE */ +/* OBSOLETE /* Note that this code works correctly if startaddr is just less */ +/* OBSOLETE than UINT_MAX (well, really CORE_ADDR_MAX if there was such a */ +/* OBSOLETE thing). That is, something like */ +/* OBSOLETE eb_read_bytes (CORE_ADDR_MAX - 4, foo, 4) */ +/* OBSOLETE works--it never adds len to memaddr and gets 0. */ */ +/* OBSOLETE /* However, something like */ +/* OBSOLETE eb_read_bytes (CORE_ADDR_MAX - 3, foo, 4) */ +/* OBSOLETE doesn't need to work. Detect it and give up if there's an attempt */ +/* OBSOLETE to do that. */ */ +/* OBSOLETE if (((memaddr - 1) + len) < memaddr) */ +/* OBSOLETE { */ +/* OBSOLETE errno = EIO; */ +/* OBSOLETE return 0; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE startaddr = memaddr; */ +/* OBSOLETE count = 0; */ +/* OBSOLETE while (count < len) */ +/* OBSOLETE { */ +/* OBSOLETE len_this_pass = 16; */ +/* OBSOLETE if ((startaddr % 16) != 0) */ +/* OBSOLETE len_this_pass -= startaddr % 16; */ +/* OBSOLETE if (len_this_pass > (len - count)) */ +/* OBSOLETE len_this_pass = (len - count); */ +/* OBSOLETE */ +/* OBSOLETE fprintf (eb_stream, "db %x,%x\n", startaddr, */ +/* OBSOLETE (startaddr - 1) + len_this_pass); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE /* Look for 8 hex digits. */ */ +/* OBSOLETE i = 0; */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE if (isxdigit (readchar ())) */ +/* OBSOLETE ++i; */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE error ("Hex digit expected from remote system."); */ +/* OBSOLETE } */ +/* OBSOLETE if (i >= 8) */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE expect (" "); */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < len_this_pass; i++) */ +/* OBSOLETE get_hex_byte (&myaddr[count++]); */ +/* OBSOLETE */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE startaddr += len_this_pass; */ +/* OBSOLETE } */ +/* OBSOLETE return len; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE eb_kill (char *args, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE return; /* Ignore attempts to kill target system */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Clean up when a program exits. */ +/* OBSOLETE */ +/* OBSOLETE The program actually lives on in the remote processor's RAM, and may be */ +/* OBSOLETE run again without a download. Don't leave it full of breakpoint */ +/* OBSOLETE instructions. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE eb_mourn_inferior (void) */ +/* OBSOLETE { */ +/* OBSOLETE remove_breakpoints (); */ +/* OBSOLETE unpush_target (&eb_ops); */ +/* OBSOLETE generic_mourn_inferior (); /* Do all the proper things now */ */ +/* OBSOLETE } */ +/* OBSOLETE /* Define the target subroutine names */ */ +/* OBSOLETE */ +/* OBSOLETE struct target_ops eb_ops; */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE init_eb_ops (void) */ +/* OBSOLETE { */ +/* OBSOLETE eb_ops.to_shortname = "amd-eb"; */ +/* OBSOLETE eb_ops.to_longname = "Remote serial AMD EBMON target"; */ +/* OBSOLETE eb_ops.to_doc = "Use a remote computer running EBMON connected by a serial line.\n\ */ +/* OBSOLETE Arguments are the name of the device for the serial line,\n\ */ +/* OBSOLETE the speed to connect at in bits per second, and the filename of the\n\ */ +/* OBSOLETE executable as it exists on the remote computer. For example,\n\ */ +/* OBSOLETE target amd-eb /dev/ttya 9600 demo", */ +/* OBSOLETE eb_ops.to_open = eb_open; */ +/* OBSOLETE eb_ops.to_close = eb_close; */ +/* OBSOLETE eb_ops.to_attach = 0; */ +/* OBSOLETE eb_ops.to_post_attach = NULL; */ +/* OBSOLETE eb_ops.to_require_attach = NULL; */ +/* OBSOLETE eb_ops.to_detach = eb_detach; */ +/* OBSOLETE eb_ops.to_require_detach = NULL; */ +/* OBSOLETE eb_ops.to_resume = eb_resume; */ +/* OBSOLETE eb_ops.to_wait = eb_wait; */ +/* OBSOLETE eb_ops.to_post_wait = NULL; */ +/* OBSOLETE eb_ops.to_fetch_registers = eb_fetch_register; */ +/* OBSOLETE eb_ops.to_store_registers = eb_store_register; */ +/* OBSOLETE eb_ops.to_prepare_to_store = eb_prepare_to_store; */ +/* OBSOLETE eb_ops.to_xfer_memory = eb_xfer_inferior_memory; */ +/* OBSOLETE eb_ops.to_files_info = eb_files_info; */ +/* OBSOLETE eb_ops.to_insert_breakpoint = 0; */ +/* OBSOLETE eb_ops.to_remove_breakpoint = 0; /* Breakpoints */ */ +/* OBSOLETE eb_ops.to_terminal_init = 0; */ +/* OBSOLETE eb_ops.to_terminal_inferior = 0; */ +/* OBSOLETE eb_ops.to_terminal_ours_for_output = 0; */ +/* OBSOLETE eb_ops.to_terminal_ours = 0; */ +/* OBSOLETE eb_ops.to_terminal_info = 0; /* Terminal handling */ */ +/* OBSOLETE eb_ops.to_kill = eb_kill; */ +/* OBSOLETE eb_ops.to_load = generic_load; /* load */ */ +/* OBSOLETE eb_ops.to_lookup_symbol = 0; /* lookup_symbol */ */ +/* OBSOLETE eb_ops.to_create_inferior = eb_create_inferior; */ +/* OBSOLETE eb_ops.to_post_startup_inferior = NULL; */ +/* OBSOLETE eb_ops.to_acknowledge_created_inferior = NULL; */ +/* OBSOLETE eb_ops.to_clone_and_follow_inferior = NULL; */ +/* OBSOLETE eb_ops.to_post_follow_inferior_by_clone = NULL; */ +/* OBSOLETE eb_ops.to_insert_fork_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_remove_fork_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_insert_vfork_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_remove_vfork_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_has_forked = NULL; */ +/* OBSOLETE eb_ops.to_has_vforked = NULL; */ +/* OBSOLETE eb_ops.to_can_follow_vfork_prior_to_exec = NULL; */ +/* OBSOLETE eb_ops.to_post_follow_vfork = NULL; */ +/* OBSOLETE eb_ops.to_insert_exec_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_remove_exec_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_has_execd = NULL; */ +/* OBSOLETE eb_ops.to_reported_exec_events_per_exec_call = NULL; */ +/* OBSOLETE eb_ops.to_has_exited = NULL; */ +/* OBSOLETE eb_ops.to_mourn_inferior = eb_mourn_inferior; */ +/* OBSOLETE eb_ops.to_can_run = 0; /* can_run */ */ +/* OBSOLETE eb_ops.to_notice_signals = 0; /* notice_signals */ */ +/* OBSOLETE eb_ops.to_thread_alive = 0; /* thread-alive */ */ +/* OBSOLETE eb_ops.to_stop = 0; /* to_stop */ */ +/* OBSOLETE eb_ops.to_pid_to_exec_file = NULL; */ +/* OBSOLETE eb_ops.to_stratum = process_stratum; */ +/* OBSOLETE eb_ops.DONT_USE = 0; /* next */ */ +/* OBSOLETE eb_ops.to_has_all_memory = 1; */ +/* OBSOLETE eb_ops.to_has_memory = 1; */ +/* OBSOLETE eb_ops.to_has_stack = 1; */ +/* OBSOLETE eb_ops.to_has_registers = 1; */ +/* OBSOLETE eb_ops.to_has_execution = 1; /* all mem, mem, stack, regs, exec */ */ +/* OBSOLETE eb_ops.to_sections = 0; /* sections */ */ +/* OBSOLETE eb_ops.to_sections_end = 0; /* sections end */ */ +/* OBSOLETE eb_ops.to_magic = OPS_MAGIC; /* Always the last thing */ */ +/* OBSOLETE }; */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE _initialize_remote_eb (void) */ +/* OBSOLETE { */ +/* OBSOLETE init_eb_ops (); */ +/* OBSOLETE add_target (&eb_ops); */ +/* OBSOLETE } */ diff --git a/gdb/remote-mm.c b/gdb/remote-mm.c index 67727e2c81c..1cd630ea744 100644 --- a/gdb/remote-mm.c +++ b/gdb/remote-mm.c @@ -1,1848 +1,1848 @@ -/* Remote debugging interface for Am290*0 running MiniMON monitor, for GDB. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, - 2001 Free Software Foundation, Inc. - Originally written by Daniel Mann at AMD. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* This is like remote.c but ecpects MiniMON to be running on the Am29000 - target hardware. - - David Wood (wood@lab.ultra.nyu.edu) at New York University adapted this - file to gdb 3.95. I was unable to get this working on sun3os4 - with termio, only with sgtty. Because we are only attempting to - use this module to debug our kernel, which is already loaded when - gdb is started up, I did not code up the file downloading facilities. - As a result this module has only the stubs to download files. - You should get tagged at compile time if you need to make any - changes/additions. */ - -#include "defs.h" -#include "inferior.h" -#include "value.h" -#include -#include -#include -#include -#include "gdb_string.h" -#include "terminal.h" -#include "minimon.h" -#include "target.h" -#include "regcache.h" - -/* Offset of member MEMBER in a struct of type TYPE. */ -#define offsetof(TYPE, MEMBER) ((int) &((TYPE *)0)->MEMBER) - -#define DRAIN_INPUT() (msg_recv_serial((union msg_t*)0)) - -extern int stop_soon_quietly; /* for wait_for_inferior */ - -static void mm_resume (ptid_t ptid, int step, enum target_signal sig) -static void mm_fetch_registers (); -static int fetch_register (); -static void mm_store_registers (); -static int store_register (); -static int regnum_to_srnum (); -static void mm_close (); -static char *msg_str (); -static char *error_msg_str (); -static int expect_msg (); -static void init_target_mm (); -static int mm_memory_space (); - -#define FREEZE_MODE (read_register(CPS_REGNUM) && 0x400) -#define USE_SHADOW_PC ((processor_type == a29k_freeze_mode) && FREEZE_MODE) - -/* FIXME: Replace with `set remotedebug'. */ -#define LLOG_FILE "minimon.log" -#if defined (LOG_FILE) -FILE *log_file; -#endif - -/* - * Size of message buffers. I couldn't get memory reads to work when - * the byte_count was larger than 512 (it may be a baud rate problem). - */ -#define BUFER_SIZE 512 -/* - * Size of data area in message buffer on the TARGET (remote system). - */ -#define MAXDATA_T (target_config.max_msg_size - \ - offsetof(struct write_r_msg_t,data[0])) -/* - * Size of data area in message buffer on the HOST (gdb). - */ -#define MAXDATA_H (BUFER_SIZE - offsetof(struct write_r_msg_t,data[0])) -/* - * Defined as the minimum size of data areas of the two message buffers - */ -#define MAXDATA (MAXDATA_H < MAXDATA_T ? MAXDATA_H : MAXDATA_T) - -static char out_buf[BUFER_SIZE]; -static char in_buf[BUFER_SIZE]; - -int msg_recv_serial (); -int msg_send_serial (); - -#define MAX_RETRIES 5000 -extern struct target_ops mm_ops; /* Forward declaration */ -struct config_msg_t target_config; /* HIF needs this */ -union msg_t *out_msg_buf = (union msg_t *) out_buf; -union msg_t *in_msg_buf = (union msg_t *) in_buf; - -static int timeout = 5; - -/* Descriptor for I/O to remote machine. Initialize it to -1 so that - mm_open knows that we don't have a file open when the program - starts. */ -int mm_desc = -1; - -/* stream which is fdopen'd from mm_desc. Only valid when - mm_desc != -1. */ -FILE *mm_stream; - -/* Called when SIGALRM signal sent due to alarm() timeout. */ -#ifndef HAVE_TERMIO - -volatile int n_alarms; - -static void -mm_timer (void) -{ -#if 0 - if (kiodebug) - printf ("mm_timer called\n"); -#endif - n_alarms++; -} -#endif /* HAVE_TERMIO */ - -/* malloc'd name of the program on the remote system. */ -static char *prog_name = NULL; - - -/* Number of SIGTRAPs we need to simulate. That is, the next - NEED_ARTIFICIAL_TRAP calls to mm_wait should just return - SIGTRAP without actually waiting for anything. */ - -/**************************************************** REMOTE_CREATE_INFERIOR */ -/* This is called not only when we first attach, but also when the - user types "run" after having attached. */ -static void -mm_create_inferior (char *execfile, char *args, char **env) -{ -#define MAX_TOKENS 25 -#define BUFFER_SIZE 256 - int token_count; - int result; - char *token[MAX_TOKENS]; - char cmd_line[BUFFER_SIZE]; - - if (args && *args) - error ("Can't pass arguments to remote mm process (yet)."); - - if (execfile == 0 /* || exec_bfd == 0 */ ) - error ("No executable file specified"); - - if (!mm_stream) - { - printf ("Minimon not open yet.\n"); - return; - } - - /* On ultra3 (NYU) we assume the kernel is already running so there is - no file to download. - FIXME: Fixed required here -> load your program, possibly with mm_load(). - */ - printf_filtered ("\n\ -Assuming you are at NYU debuging a kernel, i.e., no need to download.\n\n"); - - /* We will get a task spawn event immediately. */ - init_wait_for_inferior (); - clear_proceed_status (); - stop_soon_quietly = 1; - proceed (-1, TARGET_SIGNAL_DEFAULT, 0); - normal_stop (); -} -/**************************************************** REMOTE_MOURN_INFERIOR */ -static void -mm_mourn (void) -{ - pop_target (); /* Pop back to no-child state */ - generic_mourn_inferior (); -} - -/********************************************************************** damn_b -*/ -/* Translate baud rates from integers to damn B_codes. Unix should - have outgrown this crap years ago, but even POSIX wouldn't buck it. */ - -#ifndef B19200 -#define B19200 EXTA -#endif -#ifndef B38400 -#define B38400 EXTB -#endif - -static struct -{ - int rate, damn_b; -} -baudtab[] = -{ - { - 0, B0 - } - , - { - 50, B50 - } - , - { - 75, B75 - } - , - { - 110, B110 - } - , - { - 134, B134 - } - , - { - 150, B150 - } - , - { - 200, B200 - } - , - { - 300, B300 - } - , - { - 600, B600 - } - , - { - 1200, B1200 - } - , - { - 1800, B1800 - } - , - { - 2400, B2400 - } - , - { - 4800, B4800 - } - , - { - 9600, B9600 - } - , - { - 19200, B19200 - } - , - { - 38400, B38400 - } - , - { - -1, -1 - } - , -}; - -static int -damn_b (int rate) -{ - int i; - - for (i = 0; baudtab[i].rate != -1; i++) - if (rate == baudtab[i].rate) - return baudtab[i].damn_b; - return B38400; /* Random */ -} - - -/***************************************************************** REMOTE_OPEN -** Open a connection to remote minimon. - NAME is the filename used for communication, then a space, - then the baud rate. - 'target adapt /dev/ttya 9600 [prognam]' for example. - */ - -static char *dev_name; -int baudrate = 9600; -static void -mm_open (char *name, int from_tty) -{ - TERMINAL sg; - unsigned int prl; - char *p; - - /* Find the first whitespace character, it separates dev_name from - prog_name. */ - for (p = name; - p && *p && !isspace (*p); p++) - ; - if (p == 0 || *p == '\0') - erroid: - error ("Usage : [progname]"); - dev_name = (char *) xmalloc (p - name + 1); - strncpy (dev_name, name, p - name); - dev_name[p - name] = '\0'; - - /* Skip over the whitespace after dev_name */ - for (; isspace (*p); p++) - /*EMPTY */ ; - - if (1 != sscanf (p, "%d ", &baudrate)) - goto erroid; - - /* Skip the number and then the spaces */ - for (; isdigit (*p); p++) - /*EMPTY */ ; - for (; isspace (*p); p++) - /*EMPTY */ ; - - if (prog_name != NULL) - xfree (prog_name); - prog_name = savestring (p, strlen (p)); - - - if (mm_desc >= 0) - close (mm_desc); - - mm_desc = open (dev_name, O_RDWR); - if (mm_desc < 0) - perror_with_name (dev_name); - ioctl (mm_desc, TIOCGETP, &sg); -#ifdef HAVE_TERMIO - sg.c_cc[VMIN] = 0; /* read with timeout. */ - sg.c_cc[VTIME] = timeout * 10; - sg.c_lflag &= ~(ICANON | ECHO); - sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate); -#else - sg.sg_ispeed = damn_b (baudrate); - sg.sg_ospeed = damn_b (baudrate); - sg.sg_flags |= RAW; - sg.sg_flags |= ANYP; - sg.sg_flags &= ~ECHO; -#endif - - - ioctl (mm_desc, TIOCSETP, &sg); - mm_stream = fdopen (mm_desc, "r+"); - - push_target (&mm_ops); - -#ifndef HAVE_TERMIO -#ifndef NO_SIGINTERRUPT - /* Cause SIGALRM's to make reads fail with EINTR instead of resuming - the read. */ - if (siginterrupt (SIGALRM, 1) != 0) - perror ("mm_open: error in siginterrupt"); -#endif - - /* Set up read timeout timer. */ - if ((void (*)) signal (SIGALRM, mm_timer) == (void (*)) -1) - perror ("mm_open: error in signal"); -#endif - -#if defined (LOG_FILE) - log_file = fopen (LOG_FILE, "w"); - if (log_file == NULL) - perror_with_name (LOG_FILE); -#endif - /* - ** Initialize target configuration structure (global) - */ - DRAIN_INPUT (); - out_msg_buf->config_req_msg.code = CONFIG_REQ; - out_msg_buf->config_req_msg.length = 4 * 0; - msg_send_serial (out_msg_buf); /* send config request message */ - - expect_msg (CONFIG, in_msg_buf, 1); - - a29k_get_processor_type (); - - /* Print out some stuff, letting the user now what's going on */ - printf_filtered ("Connected to MiniMon via %s.\n", dev_name); - /* FIXME: can this restriction be removed? */ - printf_filtered ("Remote debugging using virtual addresses works only\n"); - printf_filtered ("\twhen virtual addresses map 1:1 to physical addresses.\n") - ; - if (processor_type != a29k_freeze_mode) - { - fprintf_filtered (gdb_stderr, - "Freeze-mode debugging not available, and can only be done on an A29050.\n"); - } - - target_config.code = CONFIG; - target_config.length = 0; - target_config.processor_id = in_msg_buf->config_msg.processor_id; - target_config.version = in_msg_buf->config_msg.version; - target_config.I_mem_start = in_msg_buf->config_msg.I_mem_start; - target_config.I_mem_size = in_msg_buf->config_msg.I_mem_size; - target_config.D_mem_start = in_msg_buf->config_msg.D_mem_start; - target_config.D_mem_size = in_msg_buf->config_msg.D_mem_size; - target_config.ROM_start = in_msg_buf->config_msg.ROM_start; - target_config.ROM_size = in_msg_buf->config_msg.ROM_size; - target_config.max_msg_size = in_msg_buf->config_msg.max_msg_size; - target_config.max_bkpts = in_msg_buf->config_msg.max_bkpts; - target_config.coprocessor = in_msg_buf->config_msg.coprocessor; - target_config.reserved = in_msg_buf->config_msg.reserved; - if (from_tty) - { - printf ("Connected to MiniMON :\n"); - printf (" Debugcore version %d.%d\n", - 0x0f & (target_config.version >> 4), - 0x0f & (target_config.version)); - printf (" Configuration version %d.%d\n", - 0x0f & (target_config.version >> 12), - 0x0f & (target_config.version >> 8)); - printf (" Message system version %d.%d\n", - 0x0f & (target_config.version >> 20), - 0x0f & (target_config.version >> 16)); - printf (" Communication driver version %d.%d\n", - 0x0f & (target_config.version >> 28), - 0x0f & (target_config.version >> 24)); - } - - /* Leave the target running... - * The above message stopped the target in the dbg core (MiniMon), - * so restart the target out of MiniMon, - */ - out_msg_buf->go_msg.code = GO; - out_msg_buf->go_msg.length = 0; - msg_send_serial (out_msg_buf); - /* No message to expect after a GO */ -} - -/**************************************************************** REMOTE_CLOSE -** Close the open connection to the minimon debugger. - Use this when you want to detach and do something else - with your gdb. */ -static void -mm_close ( /*FIXME: how is quitting used */ - int quitting) -{ - if (mm_desc < 0) - error ("Can't close remote connection: not debugging remotely."); - - /* We should never get here if there isn't something valid in - mm_desc and mm_stream. - - Due to a bug in Unix, fclose closes not only the stdio stream, - but also the file descriptor. So we don't actually close - mm_desc. */ - DRAIN_INPUT (); - fclose (mm_stream); - /* close (mm_desc); */ - - /* Do not try to close mm_desc again, later in the program. */ - mm_stream = NULL; - mm_desc = -1; - -#if defined (LOG_FILE) - if (ferror (log_file)) - printf ("Error writing log file.\n"); - if (fclose (log_file) != 0) - printf ("Error closing log file.\n"); -#endif - - printf ("Ending remote debugging\n"); -} - -/************************************************************* REMOTE_ATACH */ -/* Attach to a program that is already loaded and running - * Upon exiting the process's execution is stopped. - */ -static void -mm_attach (char *args, int from_tty) -{ - - if (!mm_stream) - error ("MiniMon not opened yet, use the 'target minimon' command.\n"); - - if (from_tty) - printf ("Attaching to remote program %s...\n", prog_name); - - /* Make sure the target is currently running, it is supposed to be. */ - /* FIXME: is it ok to send MiniMon a BREAK if it is already stopped in - * the dbg core. If so, we don't need to send this GO. - */ - out_msg_buf->go_msg.code = GO; - out_msg_buf->go_msg.length = 0; - msg_send_serial (out_msg_buf); - sleep (2); /* At the worst it will stop, receive a message, continue */ - - /* Send the mm a break. */ - out_msg_buf->break_msg.code = BREAK; - out_msg_buf->break_msg.length = 0; - msg_send_serial (out_msg_buf); -} -/********************************************************** REMOTE_DETACH */ -/* Terminate the open connection to the remote debugger. - Use this when you want to detach and do something else - with your gdb. Leave remote process running (with no breakpoints set). */ -static void -mm_detach (char *args, int from_tty) -{ - remove_breakpoints (); /* Just in case there were any left in */ - out_msg_buf->go_msg.code = GO; - out_msg_buf->go_msg.length = 0; - msg_send_serial (out_msg_buf); - pop_target (); /* calls mm_close to do the real work */ -} - - -/*************************************************************** REMOTE_RESUME -** Tell the remote machine to resume. */ - -static void -mm_resume (ptid_t ptid, int step, enum target_signal sig) -{ - if (sig != TARGET_SIGNAL_0) - warning ("Can't send signals to a remote MiniMon system."); - - if (step) - { - out_msg_buf->step_msg.code = STEP; - out_msg_buf->step_msg.length = 1 * 4; - out_msg_buf->step_msg.count = 1; /* step 1 instruction */ - msg_send_serial (out_msg_buf); - } - else - { - out_msg_buf->go_msg.code = GO; - out_msg_buf->go_msg.length = 0; - msg_send_serial (out_msg_buf); - } -} - -/***************************************************************** REMOTE_WAIT -** Wait until the remote machine stops, then return, - storing status in STATUS just as `wait' would. */ - -static ptid_t -mm_wait (ptid_t ptid, struct target_waitstatus *status) -{ - int i, result; - int old_timeout = timeout; - int old_immediate_quit = immediate_quit; - - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - -/* wait for message to arrive. It should be: - - A HIF service request. - - A HIF exit service request. - - A CHANNEL0_ACK. - - A CHANNEL1 request. - - a debugcore HALT message. - HIF services must be responded too, and while-looping continued. - If the target stops executing, mm_wait() should return. - */ - timeout = 0; /* Wait indefinetly for a message */ - immediate_quit = 1; /* Helps ability to QUIT */ - while (1) - { - while (msg_recv_serial (in_msg_buf)) - { - QUIT; /* Let user quit if they want */ - } - switch (in_msg_buf->halt_msg.code) - { - case HIF_CALL: - i = in_msg_buf->hif_call_rtn_msg.service_number; - result = service_HIF (in_msg_buf); - if (i == 1) /* EXIT */ - goto exit; - if (result) - printf ("Warning: failure during HIF service %d\n", i); - break; - case CHANNEL0_ACK: - service_HIF (in_msg_buf); - break; - case CHANNEL1: - i = in_msg_buf->channel1_msg.length; - in_msg_buf->channel1_msg.data[i] = '\0'; - printf ("%s", in_msg_buf->channel1_msg.data); - gdb_flush (gdb_stdout); - /* Send CHANNEL1_ACK message */ - out_msg_buf->channel1_ack_msg.code = CHANNEL1_ACK; - out_msg_buf->channel1_ack_msg.length = 0; - result = msg_send_serial (out_msg_buf); - break; - case HALT: - goto halted; - default: - goto halted; - } - } -halted: - /* FIXME, these printfs should not be here. This is a source level - debugger, guys! */ - if (in_msg_buf->halt_msg.trap_number == 0) - { - printf ("Am290*0 received vector number %d (break point)\n", - in_msg_buf->halt_msg.trap_number); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - } - else if (in_msg_buf->halt_msg.trap_number == 1) - { - printf ("Am290*0 received vector number %d\n", - in_msg_buf->halt_msg.trap_number); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_BUS; - } - else if (in_msg_buf->halt_msg.trap_number == 3 - || in_msg_buf->halt_msg.trap_number == 4) - { - printf ("Am290*0 received vector number %d\n", - in_msg_buf->halt_msg.trap_number); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_FPE; - } - else if (in_msg_buf->halt_msg.trap_number == 5) - { - printf ("Am290*0 received vector number %d\n", - in_msg_buf->halt_msg.trap_number); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_ILL; - } - else if (in_msg_buf->halt_msg.trap_number >= 6 - && in_msg_buf->halt_msg.trap_number <= 11) - { - printf ("Am290*0 received vector number %d\n", - in_msg_buf->halt_msg.trap_number); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_SEGV; - } - else if (in_msg_buf->halt_msg.trap_number == 12 - || in_msg_buf->halt_msg.trap_number == 13) - { - printf ("Am290*0 received vector number %d\n", - in_msg_buf->halt_msg.trap_number); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_ILL; - } - else if (in_msg_buf->halt_msg.trap_number == 14) - { - printf ("Am290*0 received vector number %d\n", - in_msg_buf->halt_msg.trap_number); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_ALRM; - } - else if (in_msg_buf->halt_msg.trap_number == 15) - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - } - else if (in_msg_buf->halt_msg.trap_number >= 16 - && in_msg_buf->halt_msg.trap_number <= 21) - { - printf ("Am290*0 received vector number %d\n", - in_msg_buf->halt_msg.trap_number); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_INT; - } - else if (in_msg_buf->halt_msg.trap_number == 22) - { - printf ("Am290*0 received vector number %d\n", - in_msg_buf->halt_msg.trap_number); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_ILL; - } /* BREAK message was sent */ - else if (in_msg_buf->halt_msg.trap_number == 75) - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - } - else - exit: - { - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - } - - timeout = old_timeout; /* Restore original timeout value */ - immediate_quit = old_immediate_quit; - return inferior_ptid; -} - -/******************************************************* REMOTE_FETCH_REGISTERS - * Read a remote register 'regno'. - * If regno==-1 then read all the registers. - */ -static void -mm_fetch_registers (int regno) -{ - INT32 *data_p; - - if (regno >= 0) - { - fetch_register (regno); - return; - } - -/* Gr1/rsp */ - out_msg_buf->read_req_msg.byte_count = 4 * 1; - out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; - out_msg_buf->read_req_msg.address = 1; - msg_send_serial (out_msg_buf); - expect_msg (READ_ACK, in_msg_buf, 1); - data_p = &(in_msg_buf->read_r_ack_msg.data[0]); - supply_register (GR1_REGNUM, data_p); - -#if defined(GR64_REGNUM) /* Read gr64-127 */ -/* Global Registers gr64-gr95 */ - out_msg_buf->read_req_msg.code = READ_REQ; - out_msg_buf->read_req_msg.length = 4 * 3; - out_msg_buf->read_req_msg.byte_count = 4 * 32; - out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; - out_msg_buf->read_req_msg.address = 64; - msg_send_serial (out_msg_buf); - expect_msg (READ_ACK, in_msg_buf, 1); - data_p = &(in_msg_buf->read_r_ack_msg.data[0]); - - for (regno = GR64_REGNUM; regno < GR64_REGNUM + 32; regno++) - { - supply_register (regno, data_p++); - } -#endif /* GR64_REGNUM */ - -/* Global Registers gr96-gr127 */ - out_msg_buf->read_req_msg.code = READ_REQ; - out_msg_buf->read_req_msg.length = 4 * 3; - out_msg_buf->read_req_msg.byte_count = 4 * 32; - out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; - out_msg_buf->read_req_msg.address = 96; - msg_send_serial (out_msg_buf); - expect_msg (READ_ACK, in_msg_buf, 1); - data_p = &(in_msg_buf->read_r_ack_msg.data[0]); - - for (regno = GR96_REGNUM; regno < GR96_REGNUM + 32; regno++) - { - supply_register (regno, data_p++); - } - -/* Local Registers */ - out_msg_buf->read_req_msg.byte_count = 4 * (128); - out_msg_buf->read_req_msg.memory_space = LOCAL_REG; - out_msg_buf->read_req_msg.address = 0; - msg_send_serial (out_msg_buf); - expect_msg (READ_ACK, in_msg_buf, 1); - data_p = &(in_msg_buf->read_r_ack_msg.data[0]); - - for (regno = LR0_REGNUM; regno < LR0_REGNUM + 128; regno++) - { - supply_register (regno, data_p++); - } - -/* Protected Special Registers */ - out_msg_buf->read_req_msg.byte_count = 4 * 15; - out_msg_buf->read_req_msg.memory_space = SPECIAL_REG; - out_msg_buf->read_req_msg.address = 0; - msg_send_serial (out_msg_buf); - expect_msg (READ_ACK, in_msg_buf, 1); - data_p = &(in_msg_buf->read_r_ack_msg.data[0]); - - for (regno = 0; regno <= 14; regno++) - { - supply_register (SR_REGNUM (regno), data_p++); - } - if (USE_SHADOW_PC) - { /* Let regno_to_srnum() handle the register number */ - fetch_register (NPC_REGNUM); - fetch_register (PC_REGNUM); - fetch_register (PC2_REGNUM); - } - -/* Unprotected Special Registers */ - out_msg_buf->read_req_msg.byte_count = 4 * 8; - out_msg_buf->read_req_msg.memory_space = SPECIAL_REG; - out_msg_buf->read_req_msg.address = 128; - msg_send_serial (out_msg_buf); - expect_msg (READ_ACK, in_msg_buf, 1); - data_p = &(in_msg_buf->read_r_ack_msg.data[0]); - - for (regno = 128; regno <= 135; regno++) - { - supply_register (SR_REGNUM (regno), data_p++); - } - - /* There doesn't seem to be any way to get these. */ - { - int val = -1; - supply_register (FPE_REGNUM, &val); - supply_register (INTE_REGNUM, &val); - supply_register (FPS_REGNUM, &val); - supply_register (EXO_REGNUM, &val); - } -} - - -/****************************************************** REMOTE_STORE_REGISTERS - * Store register regno into the target. - * If regno==-1 then store all the registers. - * Result is 0 for success, -1 for failure. - */ - -static void -mm_store_registers (int regno) -{ - int result; - - if (regno >= 0) - { - store_register (regno); - return; - } - - result = 0; - - out_msg_buf->write_r_msg.code = WRITE_REQ; - -/* Gr1/rsp */ - out_msg_buf->write_r_msg.byte_count = 4 * 1; - out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; - out_msg_buf->write_r_msg.memory_space = GLOBAL_REG; - out_msg_buf->write_r_msg.address = 1; - out_msg_buf->write_r_msg.data[0] = read_register (GR1_REGNUM); - - msg_send_serial (out_msg_buf); - if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - result = -1; - } - -#if defined(GR64_REGNUM) -/* Global registers gr64-gr95 */ - out_msg_buf->write_r_msg.byte_count = 4 * (32); - out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; - out_msg_buf->write_r_msg.address = 64; - - for (regno = GR64_REGNUM; regno < GR64_REGNUM + 32; regno++) - { - out_msg_buf->write_r_msg.data[regno - GR64_REGNUM] = read_register (regno); - } - msg_send_serial (out_msg_buf); - if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - result = -1; - } -#endif /* GR64_REGNUM */ - -/* Global registers gr96-gr127 */ - out_msg_buf->write_r_msg.byte_count = 4 * (32); - out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; - out_msg_buf->write_r_msg.address = 96; - for (regno = GR96_REGNUM; regno < GR96_REGNUM + 32; regno++) - { - out_msg_buf->write_r_msg.data[regno - GR96_REGNUM] = read_register (regno); - } - msg_send_serial (out_msg_buf); - if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - result = -1; - } - -/* Local Registers */ - out_msg_buf->write_r_msg.memory_space = LOCAL_REG; - out_msg_buf->write_r_msg.byte_count = 4 * 128; - out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; - out_msg_buf->write_r_msg.address = 0; - - for (regno = LR0_REGNUM; regno < LR0_REGNUM + 128; regno++) - { - out_msg_buf->write_r_msg.data[regno - LR0_REGNUM] = read_register (regno); - } - msg_send_serial (out_msg_buf); - if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - result = -1; - } - -/* Protected Special Registers */ - /* VAB through TMR */ - out_msg_buf->write_r_msg.memory_space = SPECIAL_REG; - out_msg_buf->write_r_msg.byte_count = 4 * 10; - out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; - out_msg_buf->write_r_msg.address = 0; - for (regno = 0; regno <= 9; regno++) /* VAB through TMR */ - out_msg_buf->write_r_msg.data[regno] = read_register (SR_REGNUM (regno)); - msg_send_serial (out_msg_buf); - if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - result = -1; - } - - /* PC0, PC1, PC2 possibly as shadow registers */ - out_msg_buf->write_r_msg.byte_count = 4 * 3; - out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; - for (regno = 10; regno <= 12; regno++) /* LRU and MMU */ - out_msg_buf->write_r_msg.data[regno - 10] = read_register (SR_REGNUM (regno)); - if (USE_SHADOW_PC) - out_msg_buf->write_r_msg.address = 20; /* SPC0 */ - else - out_msg_buf->write_r_msg.address = 10; /* PC0 */ - msg_send_serial (out_msg_buf); - if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - result = -1; - } - - /* LRU and MMU */ - out_msg_buf->write_r_msg.byte_count = 4 * 2; - out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; - out_msg_buf->write_r_msg.address = 13; - for (regno = 13; regno <= 14; regno++) /* LRU and MMU */ - out_msg_buf->write_r_msg.data[regno - 13] = read_register (SR_REGNUM (regno)); - msg_send_serial (out_msg_buf); - if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - result = -1; - } - -/* Unprotected Special Registers */ - out_msg_buf->write_r_msg.byte_count = 4 * 8; - out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; - out_msg_buf->write_r_msg.address = 128; - for (regno = 128; regno <= 135; regno++) - out_msg_buf->write_r_msg.data[regno - 128] = read_register (SR_REGNUM (regno)); - msg_send_serial (out_msg_buf); - if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - result = -1; - } - - registers_changed (); -} - -/*************************************************** REMOTE_PREPARE_TO_STORE */ -/* Get ready to modify the registers array. On machines which store - individual registers, this doesn't need to do anything. On machines - which store all the registers in one fell swoop, this makes sure - that registers contains all the registers from the program being - debugged. */ - -static void -mm_prepare_to_store (void) -{ - /* Do nothing, since we can store individual regs */ -} - -/******************************************************* REMOTE_XFER_MEMORY */ -static CORE_ADDR -translate_addr (CORE_ADDR addr) -{ -#if defined(KERNEL_DEBUGGING) - /* Check for a virtual address in the kernel */ - /* Assume physical address of ublock is in paddr_u register */ - /* FIXME: doesn't work for user virtual addresses */ - if (addr >= UVADDR) - { - /* PADDR_U register holds the physical address of the ublock */ - CORE_ADDR i = (CORE_ADDR) read_register (PADDR_U_REGNUM); - return (i + addr - (CORE_ADDR) UVADDR); - } - else - { - return (addr); - } -#else - return (addr); -#endif -} - -/******************************************************* REMOTE_FILES_INFO */ -static void -mm_files_info (void) -{ - printf ("\tAttached to %s at %d baud and running program %s.\n", - dev_name, baudrate, prog_name); -} - -/************************************************* REMOTE_INSERT_BREAKPOINT */ -static int -mm_insert_breakpoint (CORE_ADDR addr, char *contents_cache) -{ - out_msg_buf->bkpt_set_msg.code = BKPT_SET; - out_msg_buf->bkpt_set_msg.length = 4 * 4; - out_msg_buf->bkpt_set_msg.memory_space = I_MEM; - out_msg_buf->bkpt_set_msg.bkpt_addr = (ADDR32) addr; - out_msg_buf->bkpt_set_msg.pass_count = 1; - out_msg_buf->bkpt_set_msg.bkpt_type = -1; /* use illop for 29000 */ - msg_send_serial (out_msg_buf); - if (expect_msg (BKPT_SET_ACK, in_msg_buf, 1)) - { - return 0; /* Success */ - } - else - { - return 1; /* Failure */ - } -} - -/************************************************* REMOTE_DELETE_BREAKPOINT */ -static int -mm_remove_breakpoint (CORE_ADDR addr, char *contents_cache) -{ - out_msg_buf->bkpt_rm_msg.code = BKPT_RM; - out_msg_buf->bkpt_rm_msg.length = 4 * 3; - out_msg_buf->bkpt_rm_msg.memory_space = I_MEM; - out_msg_buf->bkpt_rm_msg.bkpt_addr = (ADDR32) addr; - msg_send_serial (out_msg_buf); - if (expect_msg (BKPT_RM_ACK, in_msg_buf, 1)) - { - return 0; /* Success */ - } - else - { - return 1; /* Failure */ - } -} - - -/******************************************************* REMOTE_KILL */ -static void -mm_kill (char *arg, int from_tty) -{ - char buf[4]; - -#if defined(KERNEL_DEBUGGING) - /* We don't ever kill the kernel */ - if (from_tty) - { - printf ("Kernel not killed, but left in current state.\n"); - printf ("Use detach to leave kernel running.\n"); - } -#else - out_msg_buf->break_msg.code = BREAK; - out_msg_buf->bkpt_set_msg.length = 4 * 0; - expect_msg (HALT, in_msg_buf, from_tty); - if (from_tty) - { - printf ("Target has been stopped."); - printf ("Would you like to do a hardware reset (y/n) [n] "); - fgets (buf, 3, stdin); - if (buf[0] == 'y') - { - out_msg_buf->reset_msg.code = RESET; - out_msg_buf->bkpt_set_msg.length = 4 * 0; - expect_msg (RESET_ACK, in_msg_buf, from_tty); - printf ("Target has been reset."); - } - } - pop_target (); -#endif -} - - - -/***************************************************************************/ -/* - * Load a program into the target. - */ -static void -mm_load (char *arg_string, int from_tty) -{ - dont_repeat (); - -#if defined(KERNEL_DEBUGGING) - printf ("The kernel had better be loaded already! Loading not done.\n"); -#else - if (arg_string == 0) - error ("The load command takes a file name"); - - arg_string = tilde_expand (arg_string); - make_cleanup (xfree, arg_string); - QUIT; - immediate_quit++; - error ("File loading is not yet supported for MiniMon."); - /* FIXME, code to load your file here... */ - /* You may need to do an init_target_mm() */ - /* init_target_mm(?,?,?,?,?,?,?,?); */ - immediate_quit--; - /* symbol_file_add (arg_string, from_tty, text_addr, 0, 0); */ -#endif - -} - -/************************************************ REMOTE_WRITE_INFERIOR_MEMORY -** Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. Returns number of bytes written. */ -static int -mm_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) -{ - int i, nwritten; - - out_msg_buf->write_req_msg.code = WRITE_REQ; - out_msg_buf->write_req_msg.memory_space = mm_memory_space (memaddr); - - nwritten = 0; - while (nwritten < len) - { - int num_to_write = len - nwritten; - if (num_to_write > MAXDATA) - num_to_write = MAXDATA; - for (i = 0; i < num_to_write; i++) - out_msg_buf->write_req_msg.data[i] = myaddr[i + nwritten]; - out_msg_buf->write_req_msg.byte_count = num_to_write; - out_msg_buf->write_req_msg.length = 3 * 4 + num_to_write; - out_msg_buf->write_req_msg.address = memaddr + nwritten; - msg_send_serial (out_msg_buf); - - if (expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - nwritten += in_msg_buf->write_ack_msg.byte_count; - } - else - { - break; - } - } - return (nwritten); -} - -/************************************************* REMOTE_READ_INFERIOR_MEMORY -** Read LEN bytes from inferior memory at MEMADDR. Put the result - at debugger address MYADDR. Returns number of bytes read. */ -static int -mm_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) -{ - int i, nread; - - out_msg_buf->read_req_msg.code = READ_REQ; - out_msg_buf->read_req_msg.memory_space = mm_memory_space (memaddr); - - nread = 0; - while (nread < len) - { - int num_to_read = (len - nread); - if (num_to_read > MAXDATA) - num_to_read = MAXDATA; - out_msg_buf->read_req_msg.byte_count = num_to_read; - out_msg_buf->read_req_msg.length = 3 * 4 + num_to_read; - out_msg_buf->read_req_msg.address = memaddr + nread; - msg_send_serial (out_msg_buf); - - if (expect_msg (READ_ACK, in_msg_buf, 1)) - { - for (i = 0; i < in_msg_buf->read_ack_msg.byte_count; i++) - myaddr[i + nread] = in_msg_buf->read_ack_msg.data[i]; - nread += in_msg_buf->read_ack_msg.byte_count; - } - else - { - break; - } - } - return (nread); -} - -/* FIXME! Merge these two. */ -static int -mm_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, - struct mem_attrib *attrib ATTRIBUTE_UNUSED, - struct target_ops *target ATTRIBUTE_UNUSED) -{ - - memaddr = translate_addr (memaddr); - - if (write) - return mm_write_inferior_memory (memaddr, myaddr, len); - else - return mm_read_inferior_memory (memaddr, myaddr, len); -} - - -/********************************************************** MSG_SEND_SERIAL -** This function is used to send a message over the -** serial line. -** -** If the message is successfully sent, a zero is -** returned. If the message was not sendable, a -1 -** is returned. This function blocks. That is, it -** does not return until the message is completely -** sent, or until an error is encountered. -** -*/ - -int -msg_send_serial (union msg_t *msg_ptr) -{ - INT32 message_size; - int byte_count; - int result; - char c; - - /* Send message header */ - byte_count = 0; - message_size = msg_ptr->generic_msg.length + (2 * sizeof (INT32)); - do - { - c = *((char *) msg_ptr + byte_count); - result = write (mm_desc, &c, 1); - if (result == 1) - { - byte_count = byte_count + 1; - } - } - while ((byte_count < message_size)); - - return (0); -} /* end msg_send_serial() */ - -/********************************************************** MSG_RECV_SERIAL -** This function is used to receive a message over a -** serial line. -** -** If the message is waiting in the buffer, a zero is -** returned and the buffer pointed to by msg_ptr is filled -** in. If no message was available, a -1 is returned. -** If timeout==0, wait indefinetly for a character. -** -*/ - -int -msg_recv_serial (union msg_t *msg_ptr) -{ - static INT32 length = 0; - static INT32 byte_count = 0; - int result; - char c; - if (msg_ptr == 0) /* re-sync request */ - { - length = 0; - byte_count = 0; -#ifdef HAVE_TERMIO - /* The timeout here is the prevailing timeout set with VTIME */ - ->"timeout==0 semantics not supported" - read (mm_desc, in_buf, BUFER_SIZE); -#else - alarm (1); - read (mm_desc, in_buf, BUFER_SIZE); - alarm (0); -#endif - return (0); - } - /* Receive message */ -#ifdef HAVE_TERMIO -/* Timeout==0, help support the mm_wait() routine */ - ->"timeout==0 semantics not supported (and its nice if they are)" - result = read (mm_desc, &c, 1); -#else - alarm (timeout); - result = read (mm_desc, &c, 1); - alarm (0); -#endif - if (result < 0) - { - if (errno == EINTR) - { - error ("Timeout reading from remote system."); - } - else - perror_with_name ("remote"); - } - else if (result == 1) - { - *((char *) msg_ptr + byte_count) = c; - byte_count = byte_count + 1; - } - - /* Message header received. Save message length. */ - if (byte_count == (2 * sizeof (INT32))) - length = msg_ptr->generic_msg.length; - - if (byte_count >= (length + (2 * sizeof (INT32)))) - { - /* Message received */ - byte_count = 0; - return (0); - } - else - return (-1); - -} /* end msg_recv_serial() */ - -/********************************************************************* KBD_RAW -** This function is used to put the keyboard in "raw" -** mode for BSD Unix. The original status is saved -** so that it may be restored later. -*/ -TERMINAL kbd_tbuf; - -int -kbd_raw (void) -{ - int result; - TERMINAL tbuf; - - /* Get keyboard termio (to save to restore original modes) */ -#ifdef HAVE_TERMIO - result = ioctl (0, TCGETA, &kbd_tbuf); -#else - result = ioctl (0, TIOCGETP, &kbd_tbuf); -#endif - if (result == -1) - return (errno); - - /* Get keyboard TERMINAL (for modification) */ -#ifdef HAVE_TERMIO - result = ioctl (0, TCGETA, &tbuf); -#else - result = ioctl (0, TIOCGETP, &tbuf); -#endif - if (result == -1) - return (errno); - - /* Set up new parameters */ -#ifdef HAVE_TERMIO - tbuf.c_iflag = tbuf.c_iflag & - ~(INLCR | ICRNL | IUCLC | ISTRIP | IXON | BRKINT); - tbuf.c_lflag = tbuf.c_lflag & ~(ICANON | ISIG | ECHO); - tbuf.c_cc[4] = 0; /* MIN */ - tbuf.c_cc[5] = 0; /* TIME */ -#else - /* FIXME: not sure if this is correct (matches HAVE_TERMIO). */ - tbuf.sg_flags |= RAW; - tbuf.sg_flags |= ANYP; - tbuf.sg_flags &= ~ECHO; -#endif - - /* Set keyboard termio to new mode (RAW) */ -#ifdef HAVE_TERMIO - result = ioctl (0, TCSETAF, &tbuf); -#else - result = ioctl (0, TIOCSETP, &tbuf); -#endif - if (result == -1) - return (errno); - - return (0); -} /* end kbd_raw() */ - - - -/***************************************************************** KBD_RESTORE -** This function is used to put the keyboard back in the -** mode it was in before kbk_raw was called. Note that -** kbk_raw() must have been called at least once before -** kbd_restore() is called. -*/ - -int -kbd_restore (void) -{ - int result; - - /* Set keyboard termio to original mode */ -#ifdef HAVE_TERMIO - result = ioctl (0, TCSETAF, &kbd_tbuf); -#else - result = ioctl (0, TIOCGETP, &kbd_tbuf); -#endif - - if (result == -1) - return (errno); - - return (0); -} /* end kbd_cooked() */ - - -/*****************************************************************************/ -/* Fetch a single register indicatated by 'regno'. - * Returns 0/-1 on success/failure. - */ -static int -fetch_register (int regno) -{ - int result; - out_msg_buf->read_req_msg.code = READ_REQ; - out_msg_buf->read_req_msg.length = 4 * 3; - out_msg_buf->read_req_msg.byte_count = 4; - - if (regno == GR1_REGNUM) - { - out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; - out_msg_buf->read_req_msg.address = 1; - } - else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) - { - out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; - out_msg_buf->read_req_msg.address = (regno - GR96_REGNUM) + 96; - } -#if defined(GR64_REGNUM) - else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) - { - out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; - out_msg_buf->read_req_msg.address = (regno - GR64_REGNUM) + 64; - } -#endif /* GR64_REGNUM */ - else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) - { - out_msg_buf->read_req_msg.memory_space = LOCAL_REG; - out_msg_buf->read_req_msg.address = (regno - LR0_REGNUM); - } - else if (regno >= FPE_REGNUM && regno <= EXO_REGNUM) - { - int val = -1; - supply_register (160 + (regno - FPE_REGNUM), &val); - return 0; /* Pretend Success */ - } - else - { - out_msg_buf->read_req_msg.memory_space = SPECIAL_REG; - out_msg_buf->read_req_msg.address = regnum_to_srnum (regno); - } - - msg_send_serial (out_msg_buf); - - if (expect_msg (READ_ACK, in_msg_buf, 1)) - { - supply_register (regno, &(in_msg_buf->read_r_ack_msg.data[0])); - result = 0; - } - else - { - result = -1; - } - return result; -} -/*****************************************************************************/ -/* Store a single register indicated by 'regno'. - * Returns 0/-1 on success/failure. - */ -static int -store_register (int regno) -{ - int result; - - out_msg_buf->write_req_msg.code = WRITE_REQ; - out_msg_buf->write_req_msg.length = 4 * 4; - out_msg_buf->write_req_msg.byte_count = 4; - out_msg_buf->write_r_msg.data[0] = read_register (regno); - - if (regno == GR1_REGNUM) - { - out_msg_buf->write_req_msg.memory_space = GLOBAL_REG; - out_msg_buf->write_req_msg.address = 1; - /* Setting GR1 changes the numbers of all the locals, so invalidate the - * register cache. Do this *after* calling read_register, because we want - * read_register to return the value that write_register has just stuffed - * into the registers array, not the value of the register fetched from - * the inferior. - */ - registers_changed (); - } -#if defined(GR64_REGNUM) - else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) - { - out_msg_buf->write_req_msg.memory_space = GLOBAL_REG; - out_msg_buf->write_req_msg.address = (regno - GR64_REGNUM) + 64; - } -#endif /* GR64_REGNUM */ - else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) - { - out_msg_buf->write_req_msg.memory_space = GLOBAL_REG; - out_msg_buf->write_req_msg.address = (regno - GR96_REGNUM) + 96; - } - else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) - { - out_msg_buf->write_req_msg.memory_space = LOCAL_REG; - out_msg_buf->write_req_msg.address = (regno - LR0_REGNUM); - } - else if (regno >= FPE_REGNUM && regno <= EXO_REGNUM) - { - return 0; /* Pretend Success */ - } - else - /* An unprotected or protected special register */ - { - out_msg_buf->write_req_msg.memory_space = SPECIAL_REG; - out_msg_buf->write_req_msg.address = regnum_to_srnum (regno); - } - - msg_send_serial (out_msg_buf); - - if (expect_msg (WRITE_ACK, in_msg_buf, 1)) - { - result = 0; - } - else - { - result = -1; - } - return result; -} -/****************************************************************************/ -/* - * Convert a gdb special register number to a 29000 special register number. - */ -static int -regnum_to_srnum (int regno) -{ - switch (regno) - { - case VAB_REGNUM: - return (0); - case OPS_REGNUM: - return (1); - case CPS_REGNUM: - return (2); - case CFG_REGNUM: - return (3); - case CHA_REGNUM: - return (4); - case CHD_REGNUM: - return (5); - case CHC_REGNUM: - return (6); - case RBP_REGNUM: - return (7); - case TMC_REGNUM: - return (8); - case TMR_REGNUM: - return (9); - case NPC_REGNUM: - return (USE_SHADOW_PC ? (20) : (10)); - case PC_REGNUM: - return (USE_SHADOW_PC ? (21) : (11)); - case PC2_REGNUM: - return (USE_SHADOW_PC ? (22) : (12)); - case MMU_REGNUM: - return (13); - case LRU_REGNUM: - return (14); - case IPC_REGNUM: - return (128); - case IPA_REGNUM: - return (129); - case IPB_REGNUM: - return (130); - case Q_REGNUM: - return (131); - case ALU_REGNUM: - return (132); - case BP_REGNUM: - return (133); - case FC_REGNUM: - return (134); - case CR_REGNUM: - return (135); - case FPE_REGNUM: - return (160); - case INTE_REGNUM: - return (161); - case FPS_REGNUM: - return (162); - case EXO_REGNUM: - return (164); - default: - return (255); /* Failure ? */ - } -} -/****************************************************************************/ -/* - * Initialize the target debugger (minimon only). - */ -static void -init_target_mm (ADDR32 tstart, ADDR32 tend, ADDR32 dstart, ADDR32 dend, - ADDR32 entry, INT32 ms_size, INT32 rs_size, ADDR32 arg_start) -{ - out_msg_buf->init_msg.code = INIT; - out_msg_buf->init_msg.length = sizeof (struct init_msg_t) - 2 * sizeof (INT32); - out_msg_buf->init_msg.text_start = tstart; - out_msg_buf->init_msg.text_end = tend; - out_msg_buf->init_msg.data_start = dstart; - out_msg_buf->init_msg.data_end = dend; - out_msg_buf->init_msg.entry_point = entry; - out_msg_buf->init_msg.mem_stack_size = ms_size; - out_msg_buf->init_msg.reg_stack_size = rs_size; - out_msg_buf->init_msg.arg_start = arg_start; - msg_send_serial (out_msg_buf); - expect_msg (INIT_ACK, in_msg_buf, 1); -} -/****************************************************************************/ -/* - * Return a pointer to a string representing the given message code. - * Not all messages are represented here, only the ones that we expect - * to be called with. - */ -static char * -msg_str (INT32 code) -{ - static char cbuf[32]; - - switch (code) - { - case BKPT_SET_ACK: - sprintf (cbuf, "%s (%d)", "BKPT_SET_ACK", code); - break; - case BKPT_RM_ACK: - sprintf (cbuf, "%s (%d)", "BKPT_RM_ACK", code); - break; - case INIT_ACK: - sprintf (cbuf, "%s (%d)", "INIT_ACK", code); - break; - case READ_ACK: - sprintf (cbuf, "%s (%d)", "READ_ACK", code); - break; - case WRITE_ACK: - sprintf (cbuf, "%s (%d)", "WRITE_ACK", code); - break; - case ERROR: - sprintf (cbuf, "%s (%d)", "ERROR", code); - break; - case HALT: - sprintf (cbuf, "%s (%d)", "HALT", code); - break; - default: - sprintf (cbuf, "UNKNOWN (%d)", code); - break; - } - return (cbuf); -} -/****************************************************************************/ -/* - * Selected (not all of them) error codes that we might get. - */ -static char * -error_msg_str (INT32 code) -{ - static char cbuf[50]; - - switch (code) - { - case EMFAIL: - return ("EMFAIL: unrecoverable error"); - case EMBADADDR: - return ("EMBADADDR: Illegal address"); - case EMBADREG: - return ("EMBADREG: Illegal register "); - case EMACCESS: - return ("EMACCESS: Could not access memory"); - case EMBADMSG: - return ("EMBADMSG: Unknown message type"); - case EMMSG2BIG: - return ("EMMSG2BIG: Message to large"); - case EMNOSEND: - return ("EMNOSEND: Could not send message"); - case EMNORECV: - return ("EMNORECV: Could not recv message"); - case EMRESET: - return ("EMRESET: Could not RESET target"); - case EMCONFIG: - return ("EMCONFIG: Could not get target CONFIG"); - case EMSTATUS: - return ("EMSTATUS: Could not get target STATUS"); - case EMREAD: - return ("EMREAD: Could not READ target memory"); - case EMWRITE: - return ("EMWRITE: Could not WRITE target memory"); - case EMBKPTSET: - return ("EMBKPTSET: Could not set breakpoint"); - case EMBKPTRM: - return ("EMBKPTRM: Could not remove breakpoint"); - case EMBKPTSTAT: - return ("EMBKPTSTAT: Could not get breakpoint status"); - case EMBKPTNONE: - return ("EMBKPTNONE: All breakpoints in use"); - case EMBKPTUSED: - return ("EMBKPTUSED: Breakpoints already in use"); - case EMINIT: - return ("EMINIT: Could not init target memory"); - case EMGO: - return ("EMGO: Could not start execution"); - case EMSTEP: - return ("EMSTEP: Could not single step"); - case EMBREAK: - return ("EMBREAK: Could not BREAK"); - case EMCOMMERR: - return ("EMCOMMERR: Communication error"); - default: - sprintf (cbuf, "error number %d", code); - break; - } /* end switch */ - - return (cbuf); -} -/****************************************************************************/ - -/* Receive a message, placing it in MSG_BUF, and expect it to be of - type MSGCODE. If an error occurs, a non-zero FROM_TTY indicates - that the message should be printed. - - Return 0 for failure, 1 for success. */ - -static int -expect_msg (INT32 msgcode, union msg_t *msg_buf, int from_tty) -{ - int retries = 0; - while (msg_recv_serial (msg_buf) && (retries++ < MAX_RETRIES)); - if (retries >= MAX_RETRIES) - { - printf ("Expected msg %s, ", msg_str (msgcode)); - printf ("no message received!\n"); - return (0); /* Failure */ - } - - if (msg_buf->generic_msg.code != msgcode) - { - if (from_tty) - { - printf ("Expected msg %s, ", msg_str (msgcode)); - printf ("got msg %s\n", msg_str (msg_buf->generic_msg.code)); - if (msg_buf->generic_msg.code == ERROR) - printf ("%s\n", error_msg_str (msg_buf->error_msg.error_code)); - } - return (0); /* Failure */ - } - return (1); /* Success */ -} -/****************************************************************************/ -/* - * Determine the MiniMon memory space qualifier based on the addr. - * FIXME: Can't distinguis I_ROM/D_ROM. - * FIXME: Doesn't know anything about I_CACHE/D_CACHE. - */ -static int -mm_memory_space (CORE_ADDR *addr) -{ - ADDR32 tstart = target_config.I_mem_start; - ADDR32 tend = tstart + target_config.I_mem_size; - ADDR32 dstart = target_config.D_mem_start; - ADDR32 dend = tstart + target_config.D_mem_size; - ADDR32 rstart = target_config.ROM_start; - ADDR32 rend = tstart + target_config.ROM_size; - - if (((ADDR32) addr >= tstart) && ((ADDR32) addr < tend)) - { - return I_MEM; - } - else if (((ADDR32) addr >= dstart) && ((ADDR32) addr < dend)) - { - return D_MEM; - } - else if (((ADDR32) addr >= rstart) && ((ADDR32) addr < rend)) - { - /* FIXME: how do we determine between D_ROM and I_ROM */ - return D_ROM; - } - else /* FIXME: what do me do now? */ - return D_MEM; /* Hmmm! */ -} - -/****************************************************************************/ -/* - * Define the target subroutine names - */ -struct target_ops mm_ops; - -static void -init_mm_ops (void) -{ - mm_ops.to_shortname = "minimon"; - mm_ops.to_longname = "Remote AMD/Minimon target"; - mm_ops.to_doc = "Remote debug an AMD 290*0 using the MiniMon dbg core on the target"; - mm_ops.to_open = mm_open; - mm_ops.to_close = mm_close; - mm_ops.to_attach = mm_attach; - mm_ops.to_post_attach = NULL; - mm_ops.to_require_attach = NULL; - mm_ops.to_detach = mm_detach; - mm_ops.to_require_detach = NULL; - mm_ops.to_resume = mm_resume; - mm_ops.to_wait = mm_wait; - mm_ops.to_post_wait = NULL; - mm_ops.to_fetch_registers = mm_fetch_registers; - mm_ops.to_store_registers = mm_store_registers; - mm_ops.to_prepare_to_store = mm_prepare_to_store; - mm_ops.to_xfer_memory = mm_xfer_inferior_memory; - mm_ops.to_files_info = mm_files_info; - mm_ops.to_insert_breakpoint = mm_insert_breakpoint; - mm_ops.to_remove_breakpoint = mm_remove_breakpoint; - mm_ops.to_terminal_init = 0; - mm_ops.to_terminal_inferior = 0; - mm_ops.to_terminal_ours_for_output = 0; - mm_ops.to_terminal_ours = 0; - mm_ops.to_terminal_info = 0; - mm_ops.to_kill = mm_kill; - mm_ops.to_load = mm_load; - mm_ops.to_lookup_symbol = 0; - mm_ops.to_create_inferior = mm_create_inferior; - mm_ops.to_post_startup_inferior = NULL; - mm_ops.to_acknowledge_created_inferior = NULL; - mm_ops.to_clone_and_follow_inferior = NULL; - mm_ops.to_post_follow_inferior_by_clone = NULL; - mm_ops.to_insert_fork_catchpoint = NULL; - mm_ops.to_remove_fork_catchpoint = NULL; - mm_ops.to_insert_vfork_catchpoint = NULL; - mm_ops.to_remove_vfork_catchpoint = NULL; - mm_ops.to_has_forked = NULL; - mm_ops.to_has_vforked = NULL; - mm_ops.to_can_follow_vfork_prior_to_exec = NULL; - mm_ops.to_post_follow_vfork = NULL; - mm_ops.to_insert_exec_catchpoint = NULL; - mm_ops.to_remove_exec_catchpoint = NULL; - mm_ops.to_has_execd = NULL; - mm_ops.to_reported_exec_events_per_exec_call = NULL; - mm_ops.to_has_exited = NULL; - mm_ops.to_mourn_inferior = mm_mourn; - mm_ops.to_can_run = 0; - mm_ops.to_notice_signals = 0; - mm_ops.to_thread_alive = 0; - mm_ops.to_stop = 0; - mm_ops.to_pid_to_exec_file = NULL; - mm_ops.to_stratum = process_stratum; - mm_ops.DONT_USE = 0; - mm_ops.to_has_all_memory = 1; - mm_ops.to_has_memory = 1; - mm_ops.to_has_stack = 1; - mm_ops.to_has_registers = 1; - mm_ops.to_has_execution = 1; - mm_ops.to_sections = 0; - mm_ops.to_sections_end = 0; - mm_ops.to_magic = OPS_MAGIC; -}; - -void -_initialize_remote_mm (void) -{ - init_mm_ops (); - add_target (&mm_ops); -} - -#ifdef NO_HIF_SUPPORT -service_HIF (union msg_t *msg) -{ - return (0); /* Emulate a failure */ -} -#endif +/* OBSOLETE /* Remote debugging interface for Am290*0 running MiniMON monitor, for GDB. */ +/* OBSOLETE Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, */ +/* OBSOLETE 2001 Free Software Foundation, Inc. */ +/* OBSOLETE Originally written by Daniel Mann at AMD. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ +/* OBSOLETE Boston, MA 02111-1307, USA. */ */ +/* OBSOLETE */ +/* OBSOLETE /* This is like remote.c but ecpects MiniMON to be running on the Am29000 */ +/* OBSOLETE target hardware. */ +/* OBSOLETE - David Wood (wood@lab.ultra.nyu.edu) at New York University adapted this */ +/* OBSOLETE file to gdb 3.95. I was unable to get this working on sun3os4 */ +/* OBSOLETE with termio, only with sgtty. Because we are only attempting to */ +/* OBSOLETE use this module to debug our kernel, which is already loaded when */ +/* OBSOLETE gdb is started up, I did not code up the file downloading facilities. */ +/* OBSOLETE As a result this module has only the stubs to download files. */ +/* OBSOLETE You should get tagged at compile time if you need to make any */ +/* OBSOLETE changes/additions. */ */ +/* OBSOLETE */ +/* OBSOLETE #include "defs.h" */ +/* OBSOLETE #include "inferior.h" */ +/* OBSOLETE #include "value.h" */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include "gdb_string.h" */ +/* OBSOLETE #include "terminal.h" */ +/* OBSOLETE #include "minimon.h" */ +/* OBSOLETE #include "target.h" */ +/* OBSOLETE #include "regcache.h" */ +/* OBSOLETE */ +/* OBSOLETE /* Offset of member MEMBER in a struct of type TYPE. */ */ +/* OBSOLETE #define offsetof(TYPE, MEMBER) ((int) &((TYPE *)0)->MEMBER) */ +/* OBSOLETE */ +/* OBSOLETE #define DRAIN_INPUT() (msg_recv_serial((union msg_t*)0)) */ +/* OBSOLETE */ +/* OBSOLETE extern int stop_soon_quietly; /* for wait_for_inferior */ */ +/* OBSOLETE */ +/* OBSOLETE static void mm_resume (ptid_t ptid, int step, enum target_signal sig) */ +/* OBSOLETE static void mm_fetch_registers (); */ +/* OBSOLETE static int fetch_register (); */ +/* OBSOLETE static void mm_store_registers (); */ +/* OBSOLETE static int store_register (); */ +/* OBSOLETE static int regnum_to_srnum (); */ +/* OBSOLETE static void mm_close (); */ +/* OBSOLETE static char *msg_str (); */ +/* OBSOLETE static char *error_msg_str (); */ +/* OBSOLETE static int expect_msg (); */ +/* OBSOLETE static void init_target_mm (); */ +/* OBSOLETE static int mm_memory_space (); */ +/* OBSOLETE */ +/* OBSOLETE #define FREEZE_MODE (read_register(CPS_REGNUM) && 0x400) */ +/* OBSOLETE #define USE_SHADOW_PC ((processor_type == a29k_freeze_mode) && FREEZE_MODE) */ +/* OBSOLETE */ +/* OBSOLETE /* FIXME: Replace with `set remotedebug'. */ */ +/* OBSOLETE #define LLOG_FILE "minimon.log" */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE FILE *log_file; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE * Size of message buffers. I couldn't get memory reads to work when */ +/* OBSOLETE * the byte_count was larger than 512 (it may be a baud rate problem). */ +/* OBSOLETE */ */ +/* OBSOLETE #define BUFER_SIZE 512 */ +/* OBSOLETE /* */ +/* OBSOLETE * Size of data area in message buffer on the TARGET (remote system). */ +/* OBSOLETE */ */ +/* OBSOLETE #define MAXDATA_T (target_config.max_msg_size - \ */ +/* OBSOLETE offsetof(struct write_r_msg_t,data[0])) */ +/* OBSOLETE /* */ +/* OBSOLETE * Size of data area in message buffer on the HOST (gdb). */ +/* OBSOLETE */ */ +/* OBSOLETE #define MAXDATA_H (BUFER_SIZE - offsetof(struct write_r_msg_t,data[0])) */ +/* OBSOLETE /* */ +/* OBSOLETE * Defined as the minimum size of data areas of the two message buffers */ +/* OBSOLETE */ */ +/* OBSOLETE #define MAXDATA (MAXDATA_H < MAXDATA_T ? MAXDATA_H : MAXDATA_T) */ +/* OBSOLETE */ +/* OBSOLETE static char out_buf[BUFER_SIZE]; */ +/* OBSOLETE static char in_buf[BUFER_SIZE]; */ +/* OBSOLETE */ +/* OBSOLETE int msg_recv_serial (); */ +/* OBSOLETE int msg_send_serial (); */ +/* OBSOLETE */ +/* OBSOLETE #define MAX_RETRIES 5000 */ +/* OBSOLETE extern struct target_ops mm_ops; /* Forward declaration */ */ +/* OBSOLETE struct config_msg_t target_config; /* HIF needs this */ */ +/* OBSOLETE union msg_t *out_msg_buf = (union msg_t *) out_buf; */ +/* OBSOLETE union msg_t *in_msg_buf = (union msg_t *) in_buf; */ +/* OBSOLETE */ +/* OBSOLETE static int timeout = 5; */ +/* OBSOLETE */ +/* OBSOLETE /* Descriptor for I/O to remote machine. Initialize it to -1 so that */ +/* OBSOLETE mm_open knows that we don't have a file open when the program */ +/* OBSOLETE starts. */ */ +/* OBSOLETE int mm_desc = -1; */ +/* OBSOLETE */ +/* OBSOLETE /* stream which is fdopen'd from mm_desc. Only valid when */ +/* OBSOLETE mm_desc != -1. */ */ +/* OBSOLETE FILE *mm_stream; */ +/* OBSOLETE */ +/* OBSOLETE /* Called when SIGALRM signal sent due to alarm() timeout. */ */ +/* OBSOLETE #ifndef HAVE_TERMIO */ +/* OBSOLETE */ +/* OBSOLETE volatile int n_alarms; */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE mm_timer (void) */ +/* OBSOLETE { */ +/* OBSOLETE #if 0 */ +/* OBSOLETE if (kiodebug) */ +/* OBSOLETE printf ("mm_timer called\n"); */ +/* OBSOLETE #endif */ +/* OBSOLETE n_alarms++; */ +/* OBSOLETE } */ +/* OBSOLETE #endif /* HAVE_TERMIO */ */ +/* OBSOLETE */ +/* OBSOLETE /* malloc'd name of the program on the remote system. */ */ +/* OBSOLETE static char *prog_name = NULL; */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Number of SIGTRAPs we need to simulate. That is, the next */ +/* OBSOLETE NEED_ARTIFICIAL_TRAP calls to mm_wait should just return */ +/* OBSOLETE SIGTRAP without actually waiting for anything. */ */ +/* OBSOLETE */ +/* OBSOLETE /**************************************************** REMOTE_CREATE_INFERIOR */ */ +/* OBSOLETE /* This is called not only when we first attach, but also when the */ +/* OBSOLETE user types "run" after having attached. */ */ +/* OBSOLETE static void */ +/* OBSOLETE mm_create_inferior (char *execfile, char *args, char **env) */ +/* OBSOLETE { */ +/* OBSOLETE #define MAX_TOKENS 25 */ +/* OBSOLETE #define BUFFER_SIZE 256 */ +/* OBSOLETE int token_count; */ +/* OBSOLETE int result; */ +/* OBSOLETE char *token[MAX_TOKENS]; */ +/* OBSOLETE char cmd_line[BUFFER_SIZE]; */ +/* OBSOLETE */ +/* OBSOLETE if (args && *args) */ +/* OBSOLETE error ("Can't pass arguments to remote mm process (yet)."); */ +/* OBSOLETE */ +/* OBSOLETE if (execfile == 0 /* || exec_bfd == 0 */ ) */ +/* OBSOLETE error ("No executable file specified"); */ +/* OBSOLETE */ +/* OBSOLETE if (!mm_stream) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Minimon not open yet.\n"); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* On ultra3 (NYU) we assume the kernel is already running so there is */ +/* OBSOLETE no file to download. */ +/* OBSOLETE FIXME: Fixed required here -> load your program, possibly with mm_load(). */ +/* OBSOLETE */ */ +/* OBSOLETE printf_filtered ("\n\ */ +/* OBSOLETE Assuming you are at NYU debuging a kernel, i.e., no need to download.\n\n"); */ +/* OBSOLETE */ +/* OBSOLETE /* We will get a task spawn event immediately. */ */ +/* OBSOLETE init_wait_for_inferior (); */ +/* OBSOLETE clear_proceed_status (); */ +/* OBSOLETE stop_soon_quietly = 1; */ +/* OBSOLETE proceed (-1, TARGET_SIGNAL_DEFAULT, 0); */ +/* OBSOLETE normal_stop (); */ +/* OBSOLETE } */ +/* OBSOLETE /**************************************************** REMOTE_MOURN_INFERIOR */ */ +/* OBSOLETE static void */ +/* OBSOLETE mm_mourn (void) */ +/* OBSOLETE { */ +/* OBSOLETE pop_target (); /* Pop back to no-child state */ */ +/* OBSOLETE generic_mourn_inferior (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /********************************************************************** damn_b */ +/* OBSOLETE */ */ +/* OBSOLETE /* Translate baud rates from integers to damn B_codes. Unix should */ +/* OBSOLETE have outgrown this crap years ago, but even POSIX wouldn't buck it. */ */ +/* OBSOLETE */ +/* OBSOLETE #ifndef B19200 */ +/* OBSOLETE #define B19200 EXTA */ +/* OBSOLETE #endif */ +/* OBSOLETE #ifndef B38400 */ +/* OBSOLETE #define B38400 EXTB */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE static struct */ +/* OBSOLETE { */ +/* OBSOLETE int rate, damn_b; */ +/* OBSOLETE } */ +/* OBSOLETE baudtab[] = */ +/* OBSOLETE { */ +/* OBSOLETE { */ +/* OBSOLETE 0, B0 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 50, B50 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 75, B75 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 110, B110 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 134, B134 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 150, B150 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 200, B200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 300, B300 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 600, B600 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 1200, B1200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 1800, B1800 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 2400, B2400 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 4800, B4800 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 9600, B9600 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 19200, B19200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 38400, B38400 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE -1, -1 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE }; */ +/* OBSOLETE */ +/* OBSOLETE static int */ +/* OBSOLETE damn_b (int rate) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; baudtab[i].rate != -1; i++) */ +/* OBSOLETE if (rate == baudtab[i].rate) */ +/* OBSOLETE return baudtab[i].damn_b; */ +/* OBSOLETE return B38400; /* Random */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /***************************************************************** REMOTE_OPEN */ +/* OBSOLETE ** Open a connection to remote minimon. */ +/* OBSOLETE NAME is the filename used for communication, then a space, */ +/* OBSOLETE then the baud rate. */ +/* OBSOLETE 'target adapt /dev/ttya 9600 [prognam]' for example. */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE static char *dev_name; */ +/* OBSOLETE int baudrate = 9600; */ +/* OBSOLETE static void */ +/* OBSOLETE mm_open (char *name, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE TERMINAL sg; */ +/* OBSOLETE unsigned int prl; */ +/* OBSOLETE char *p; */ +/* OBSOLETE */ +/* OBSOLETE /* Find the first whitespace character, it separates dev_name from */ +/* OBSOLETE prog_name. */ */ +/* OBSOLETE for (p = name; */ +/* OBSOLETE p && *p && !isspace (*p); p++) */ +/* OBSOLETE ; */ +/* OBSOLETE if (p == 0 || *p == '\0') */ +/* OBSOLETE erroid: */ +/* OBSOLETE error ("Usage : [progname]"); */ +/* OBSOLETE dev_name = (char *) xmalloc (p - name + 1); */ +/* OBSOLETE strncpy (dev_name, name, p - name); */ +/* OBSOLETE dev_name[p - name] = '\0'; */ +/* OBSOLETE */ +/* OBSOLETE /* Skip over the whitespace after dev_name */ */ +/* OBSOLETE for (; isspace (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE */ +/* OBSOLETE if (1 != sscanf (p, "%d ", &baudrate)) */ +/* OBSOLETE goto erroid; */ +/* OBSOLETE */ +/* OBSOLETE /* Skip the number and then the spaces */ */ +/* OBSOLETE for (; isdigit (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE for (; isspace (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE */ +/* OBSOLETE if (prog_name != NULL) */ +/* OBSOLETE xfree (prog_name); */ +/* OBSOLETE prog_name = savestring (p, strlen (p)); */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE if (mm_desc >= 0) */ +/* OBSOLETE close (mm_desc); */ +/* OBSOLETE */ +/* OBSOLETE mm_desc = open (dev_name, O_RDWR); */ +/* OBSOLETE if (mm_desc < 0) */ +/* OBSOLETE perror_with_name (dev_name); */ +/* OBSOLETE ioctl (mm_desc, TIOCGETP, &sg); */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE sg.c_cc[VMIN] = 0; /* read with timeout. */ */ +/* OBSOLETE sg.c_cc[VTIME] = timeout * 10; */ +/* OBSOLETE sg.c_lflag &= ~(ICANON | ECHO); */ +/* OBSOLETE sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate); */ +/* OBSOLETE #else */ +/* OBSOLETE sg.sg_ispeed = damn_b (baudrate); */ +/* OBSOLETE sg.sg_ospeed = damn_b (baudrate); */ +/* OBSOLETE sg.sg_flags |= RAW; */ +/* OBSOLETE sg.sg_flags |= ANYP; */ +/* OBSOLETE sg.sg_flags &= ~ECHO; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE ioctl (mm_desc, TIOCSETP, &sg); */ +/* OBSOLETE mm_stream = fdopen (mm_desc, "r+"); */ +/* OBSOLETE */ +/* OBSOLETE push_target (&mm_ops); */ +/* OBSOLETE */ +/* OBSOLETE #ifndef HAVE_TERMIO */ +/* OBSOLETE #ifndef NO_SIGINTERRUPT */ +/* OBSOLETE /* Cause SIGALRM's to make reads fail with EINTR instead of resuming */ +/* OBSOLETE the read. */ */ +/* OBSOLETE if (siginterrupt (SIGALRM, 1) != 0) */ +/* OBSOLETE perror ("mm_open: error in siginterrupt"); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Set up read timeout timer. */ */ +/* OBSOLETE if ((void (*)) signal (SIGALRM, mm_timer) == (void (*)) -1) */ +/* OBSOLETE perror ("mm_open: error in signal"); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE log_file = fopen (LOG_FILE, "w"); */ +/* OBSOLETE if (log_file == NULL) */ +/* OBSOLETE perror_with_name (LOG_FILE); */ +/* OBSOLETE #endif */ +/* OBSOLETE /* */ +/* OBSOLETE ** Initialize target configuration structure (global) */ +/* OBSOLETE */ */ +/* OBSOLETE DRAIN_INPUT (); */ +/* OBSOLETE out_msg_buf->config_req_msg.code = CONFIG_REQ; */ +/* OBSOLETE out_msg_buf->config_req_msg.length = 4 * 0; */ +/* OBSOLETE msg_send_serial (out_msg_buf); /* send config request message */ */ +/* OBSOLETE */ +/* OBSOLETE expect_msg (CONFIG, in_msg_buf, 1); */ +/* OBSOLETE */ +/* OBSOLETE a29k_get_processor_type (); */ +/* OBSOLETE */ +/* OBSOLETE /* Print out some stuff, letting the user now what's going on */ */ +/* OBSOLETE printf_filtered ("Connected to MiniMon via %s.\n", dev_name); */ +/* OBSOLETE /* FIXME: can this restriction be removed? */ */ +/* OBSOLETE printf_filtered ("Remote debugging using virtual addresses works only\n"); */ +/* OBSOLETE printf_filtered ("\twhen virtual addresses map 1:1 to physical addresses.\n") */ +/* OBSOLETE ; */ +/* OBSOLETE if (processor_type != a29k_freeze_mode) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf_filtered (gdb_stderr, */ +/* OBSOLETE "Freeze-mode debugging not available, and can only be done on an A29050.\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE target_config.code = CONFIG; */ +/* OBSOLETE target_config.length = 0; */ +/* OBSOLETE target_config.processor_id = in_msg_buf->config_msg.processor_id; */ +/* OBSOLETE target_config.version = in_msg_buf->config_msg.version; */ +/* OBSOLETE target_config.I_mem_start = in_msg_buf->config_msg.I_mem_start; */ +/* OBSOLETE target_config.I_mem_size = in_msg_buf->config_msg.I_mem_size; */ +/* OBSOLETE target_config.D_mem_start = in_msg_buf->config_msg.D_mem_start; */ +/* OBSOLETE target_config.D_mem_size = in_msg_buf->config_msg.D_mem_size; */ +/* OBSOLETE target_config.ROM_start = in_msg_buf->config_msg.ROM_start; */ +/* OBSOLETE target_config.ROM_size = in_msg_buf->config_msg.ROM_size; */ +/* OBSOLETE target_config.max_msg_size = in_msg_buf->config_msg.max_msg_size; */ +/* OBSOLETE target_config.max_bkpts = in_msg_buf->config_msg.max_bkpts; */ +/* OBSOLETE target_config.coprocessor = in_msg_buf->config_msg.coprocessor; */ +/* OBSOLETE target_config.reserved = in_msg_buf->config_msg.reserved; */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Connected to MiniMON :\n"); */ +/* OBSOLETE printf (" Debugcore version %d.%d\n", */ +/* OBSOLETE 0x0f & (target_config.version >> 4), */ +/* OBSOLETE 0x0f & (target_config.version)); */ +/* OBSOLETE printf (" Configuration version %d.%d\n", */ +/* OBSOLETE 0x0f & (target_config.version >> 12), */ +/* OBSOLETE 0x0f & (target_config.version >> 8)); */ +/* OBSOLETE printf (" Message system version %d.%d\n", */ +/* OBSOLETE 0x0f & (target_config.version >> 20), */ +/* OBSOLETE 0x0f & (target_config.version >> 16)); */ +/* OBSOLETE printf (" Communication driver version %d.%d\n", */ +/* OBSOLETE 0x0f & (target_config.version >> 28), */ +/* OBSOLETE 0x0f & (target_config.version >> 24)); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Leave the target running... */ +/* OBSOLETE * The above message stopped the target in the dbg core (MiniMon), */ +/* OBSOLETE * so restart the target out of MiniMon, */ +/* OBSOLETE */ */ +/* OBSOLETE out_msg_buf->go_msg.code = GO; */ +/* OBSOLETE out_msg_buf->go_msg.length = 0; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE /* No message to expect after a GO */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /**************************************************************** REMOTE_CLOSE */ +/* OBSOLETE ** Close the open connection to the minimon debugger. */ +/* OBSOLETE Use this when you want to detach and do something else */ +/* OBSOLETE with your gdb. */ */ +/* OBSOLETE static void */ +/* OBSOLETE mm_close ( /*FIXME: how is quitting used */ */ +/* OBSOLETE int quitting) */ +/* OBSOLETE { */ +/* OBSOLETE if (mm_desc < 0) */ +/* OBSOLETE error ("Can't close remote connection: not debugging remotely."); */ +/* OBSOLETE */ +/* OBSOLETE /* We should never get here if there isn't something valid in */ +/* OBSOLETE mm_desc and mm_stream. */ +/* OBSOLETE */ +/* OBSOLETE Due to a bug in Unix, fclose closes not only the stdio stream, */ +/* OBSOLETE but also the file descriptor. So we don't actually close */ +/* OBSOLETE mm_desc. */ */ +/* OBSOLETE DRAIN_INPUT (); */ +/* OBSOLETE fclose (mm_stream); */ +/* OBSOLETE /* close (mm_desc); */ */ +/* OBSOLETE */ +/* OBSOLETE /* Do not try to close mm_desc again, later in the program. */ */ +/* OBSOLETE mm_stream = NULL; */ +/* OBSOLETE mm_desc = -1; */ +/* OBSOLETE */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE if (ferror (log_file)) */ +/* OBSOLETE printf ("Error writing log file.\n"); */ +/* OBSOLETE if (fclose (log_file) != 0) */ +/* OBSOLETE printf ("Error closing log file.\n"); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE printf ("Ending remote debugging\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /************************************************************* REMOTE_ATACH */ */ +/* OBSOLETE /* Attach to a program that is already loaded and running */ +/* OBSOLETE * Upon exiting the process's execution is stopped. */ +/* OBSOLETE */ */ +/* OBSOLETE static void */ +/* OBSOLETE mm_attach (char *args, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE if (!mm_stream) */ +/* OBSOLETE error ("MiniMon not opened yet, use the 'target minimon' command.\n"); */ +/* OBSOLETE */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf ("Attaching to remote program %s...\n", prog_name); */ +/* OBSOLETE */ +/* OBSOLETE /* Make sure the target is currently running, it is supposed to be. */ */ +/* OBSOLETE /* FIXME: is it ok to send MiniMon a BREAK if it is already stopped in */ +/* OBSOLETE * the dbg core. If so, we don't need to send this GO. */ +/* OBSOLETE */ */ +/* OBSOLETE out_msg_buf->go_msg.code = GO; */ +/* OBSOLETE out_msg_buf->go_msg.length = 0; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE sleep (2); /* At the worst it will stop, receive a message, continue */ */ +/* OBSOLETE */ +/* OBSOLETE /* Send the mm a break. */ */ +/* OBSOLETE out_msg_buf->break_msg.code = BREAK; */ +/* OBSOLETE out_msg_buf->break_msg.length = 0; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE } */ +/* OBSOLETE /********************************************************** REMOTE_DETACH */ */ +/* OBSOLETE /* Terminate the open connection to the remote debugger. */ +/* OBSOLETE Use this when you want to detach and do something else */ +/* OBSOLETE with your gdb. Leave remote process running (with no breakpoints set). */ */ +/* OBSOLETE static void */ +/* OBSOLETE mm_detach (char *args, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE remove_breakpoints (); /* Just in case there were any left in */ */ +/* OBSOLETE out_msg_buf->go_msg.code = GO; */ +/* OBSOLETE out_msg_buf->go_msg.length = 0; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE pop_target (); /* calls mm_close to do the real work */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /*************************************************************** REMOTE_RESUME */ +/* OBSOLETE ** Tell the remote machine to resume. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE mm_resume (ptid_t ptid, int step, enum target_signal sig) */ +/* OBSOLETE { */ +/* OBSOLETE if (sig != TARGET_SIGNAL_0) */ +/* OBSOLETE warning ("Can't send signals to a remote MiniMon system."); */ +/* OBSOLETE */ +/* OBSOLETE if (step) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->step_msg.code = STEP; */ +/* OBSOLETE out_msg_buf->step_msg.length = 1 * 4; */ +/* OBSOLETE out_msg_buf->step_msg.count = 1; /* step 1 instruction */ */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->go_msg.code = GO; */ +/* OBSOLETE out_msg_buf->go_msg.length = 0; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /***************************************************************** REMOTE_WAIT */ +/* OBSOLETE ** Wait until the remote machine stops, then return, */ +/* OBSOLETE storing status in STATUS just as `wait' would. */ */ +/* OBSOLETE */ +/* OBSOLETE static ptid_t */ +/* OBSOLETE mm_wait (ptid_t ptid, struct target_waitstatus *status) */ +/* OBSOLETE { */ +/* OBSOLETE int i, result; */ +/* OBSOLETE int old_timeout = timeout; */ +/* OBSOLETE int old_immediate_quit = immediate_quit; */ +/* OBSOLETE */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE */ +/* OBSOLETE /* wait for message to arrive. It should be: */ +/* OBSOLETE - A HIF service request. */ +/* OBSOLETE - A HIF exit service request. */ +/* OBSOLETE - A CHANNEL0_ACK. */ +/* OBSOLETE - A CHANNEL1 request. */ +/* OBSOLETE - a debugcore HALT message. */ +/* OBSOLETE HIF services must be responded too, and while-looping continued. */ +/* OBSOLETE If the target stops executing, mm_wait() should return. */ +/* OBSOLETE */ */ +/* OBSOLETE timeout = 0; /* Wait indefinetly for a message */ */ +/* OBSOLETE immediate_quit = 1; /* Helps ability to QUIT */ */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE while (msg_recv_serial (in_msg_buf)) */ +/* OBSOLETE { */ +/* OBSOLETE QUIT; /* Let user quit if they want */ */ +/* OBSOLETE } */ +/* OBSOLETE switch (in_msg_buf->halt_msg.code) */ +/* OBSOLETE { */ +/* OBSOLETE case HIF_CALL: */ +/* OBSOLETE i = in_msg_buf->hif_call_rtn_msg.service_number; */ +/* OBSOLETE result = service_HIF (in_msg_buf); */ +/* OBSOLETE if (i == 1) /* EXIT */ */ +/* OBSOLETE goto exit; */ +/* OBSOLETE if (result) */ +/* OBSOLETE printf ("Warning: failure during HIF service %d\n", i); */ +/* OBSOLETE break; */ +/* OBSOLETE case CHANNEL0_ACK: */ +/* OBSOLETE service_HIF (in_msg_buf); */ +/* OBSOLETE break; */ +/* OBSOLETE case CHANNEL1: */ +/* OBSOLETE i = in_msg_buf->channel1_msg.length; */ +/* OBSOLETE in_msg_buf->channel1_msg.data[i] = '\0'; */ +/* OBSOLETE printf ("%s", in_msg_buf->channel1_msg.data); */ +/* OBSOLETE gdb_flush (gdb_stdout); */ +/* OBSOLETE /* Send CHANNEL1_ACK message */ */ +/* OBSOLETE out_msg_buf->channel1_ack_msg.code = CHANNEL1_ACK; */ +/* OBSOLETE out_msg_buf->channel1_ack_msg.length = 0; */ +/* OBSOLETE result = msg_send_serial (out_msg_buf); */ +/* OBSOLETE break; */ +/* OBSOLETE case HALT: */ +/* OBSOLETE goto halted; */ +/* OBSOLETE default: */ +/* OBSOLETE goto halted; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE halted: */ +/* OBSOLETE /* FIXME, these printfs should not be here. This is a source level */ +/* OBSOLETE debugger, guys! */ */ +/* OBSOLETE if (in_msg_buf->halt_msg.trap_number == 0) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Am290*0 received vector number %d (break point)\n", */ +/* OBSOLETE in_msg_buf->halt_msg.trap_number); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE } */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number == 1) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Am290*0 received vector number %d\n", */ +/* OBSOLETE in_msg_buf->halt_msg.trap_number); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_BUS; */ +/* OBSOLETE } */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number == 3 */ +/* OBSOLETE || in_msg_buf->halt_msg.trap_number == 4) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Am290*0 received vector number %d\n", */ +/* OBSOLETE in_msg_buf->halt_msg.trap_number); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_FPE; */ +/* OBSOLETE } */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number == 5) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Am290*0 received vector number %d\n", */ +/* OBSOLETE in_msg_buf->halt_msg.trap_number); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_ILL; */ +/* OBSOLETE } */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number >= 6 */ +/* OBSOLETE && in_msg_buf->halt_msg.trap_number <= 11) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Am290*0 received vector number %d\n", */ +/* OBSOLETE in_msg_buf->halt_msg.trap_number); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_SEGV; */ +/* OBSOLETE } */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number == 12 */ +/* OBSOLETE || in_msg_buf->halt_msg.trap_number == 13) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Am290*0 received vector number %d\n", */ +/* OBSOLETE in_msg_buf->halt_msg.trap_number); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_ILL; */ +/* OBSOLETE } */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number == 14) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Am290*0 received vector number %d\n", */ +/* OBSOLETE in_msg_buf->halt_msg.trap_number); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_ALRM; */ +/* OBSOLETE } */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number == 15) */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE } */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number >= 16 */ +/* OBSOLETE && in_msg_buf->halt_msg.trap_number <= 21) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Am290*0 received vector number %d\n", */ +/* OBSOLETE in_msg_buf->halt_msg.trap_number); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_INT; */ +/* OBSOLETE } */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number == 22) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Am290*0 received vector number %d\n", */ +/* OBSOLETE in_msg_buf->halt_msg.trap_number); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_ILL; */ +/* OBSOLETE } /* BREAK message was sent */ */ +/* OBSOLETE else if (in_msg_buf->halt_msg.trap_number == 75) */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE exit: */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE timeout = old_timeout; /* Restore original timeout value */ */ +/* OBSOLETE immediate_quit = old_immediate_quit; */ +/* OBSOLETE return inferior_ptid; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /******************************************************* REMOTE_FETCH_REGISTERS */ +/* OBSOLETE * Read a remote register 'regno'. */ +/* OBSOLETE * If regno==-1 then read all the registers. */ +/* OBSOLETE */ */ +/* OBSOLETE static void */ +/* OBSOLETE mm_fetch_registers (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE INT32 *data_p; */ +/* OBSOLETE */ +/* OBSOLETE if (regno >= 0) */ +/* OBSOLETE { */ +/* OBSOLETE fetch_register (regno); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Gr1/rsp */ */ +/* OBSOLETE out_msg_buf->read_req_msg.byte_count = 4 * 1; */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = 1; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE expect_msg (READ_ACK, in_msg_buf, 1); */ +/* OBSOLETE data_p = &(in_msg_buf->read_r_ack_msg.data[0]); */ +/* OBSOLETE supply_register (GR1_REGNUM, data_p); */ +/* OBSOLETE */ +/* OBSOLETE #if defined(GR64_REGNUM) /* Read gr64-127 */ */ +/* OBSOLETE /* Global Registers gr64-gr95 */ */ +/* OBSOLETE out_msg_buf->read_req_msg.code = READ_REQ; */ +/* OBSOLETE out_msg_buf->read_req_msg.length = 4 * 3; */ +/* OBSOLETE out_msg_buf->read_req_msg.byte_count = 4 * 32; */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = 64; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE expect_msg (READ_ACK, in_msg_buf, 1); */ +/* OBSOLETE data_p = &(in_msg_buf->read_r_ack_msg.data[0]); */ +/* OBSOLETE */ +/* OBSOLETE for (regno = GR64_REGNUM; regno < GR64_REGNUM + 32; regno++) */ +/* OBSOLETE { */ +/* OBSOLETE supply_register (regno, data_p++); */ +/* OBSOLETE } */ +/* OBSOLETE #endif /* GR64_REGNUM */ */ +/* OBSOLETE */ +/* OBSOLETE /* Global Registers gr96-gr127 */ */ +/* OBSOLETE out_msg_buf->read_req_msg.code = READ_REQ; */ +/* OBSOLETE out_msg_buf->read_req_msg.length = 4 * 3; */ +/* OBSOLETE out_msg_buf->read_req_msg.byte_count = 4 * 32; */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = 96; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE expect_msg (READ_ACK, in_msg_buf, 1); */ +/* OBSOLETE data_p = &(in_msg_buf->read_r_ack_msg.data[0]); */ +/* OBSOLETE */ +/* OBSOLETE for (regno = GR96_REGNUM; regno < GR96_REGNUM + 32; regno++) */ +/* OBSOLETE { */ +/* OBSOLETE supply_register (regno, data_p++); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Local Registers */ */ +/* OBSOLETE out_msg_buf->read_req_msg.byte_count = 4 * (128); */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = LOCAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = 0; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE expect_msg (READ_ACK, in_msg_buf, 1); */ +/* OBSOLETE data_p = &(in_msg_buf->read_r_ack_msg.data[0]); */ +/* OBSOLETE */ +/* OBSOLETE for (regno = LR0_REGNUM; regno < LR0_REGNUM + 128; regno++) */ +/* OBSOLETE { */ +/* OBSOLETE supply_register (regno, data_p++); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Protected Special Registers */ */ +/* OBSOLETE out_msg_buf->read_req_msg.byte_count = 4 * 15; */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = SPECIAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = 0; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE expect_msg (READ_ACK, in_msg_buf, 1); */ +/* OBSOLETE data_p = &(in_msg_buf->read_r_ack_msg.data[0]); */ +/* OBSOLETE */ +/* OBSOLETE for (regno = 0; regno <= 14; regno++) */ +/* OBSOLETE { */ +/* OBSOLETE supply_register (SR_REGNUM (regno), data_p++); */ +/* OBSOLETE } */ +/* OBSOLETE if (USE_SHADOW_PC) */ +/* OBSOLETE { /* Let regno_to_srnum() handle the register number */ */ +/* OBSOLETE fetch_register (NPC_REGNUM); */ +/* OBSOLETE fetch_register (PC_REGNUM); */ +/* OBSOLETE fetch_register (PC2_REGNUM); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Unprotected Special Registers */ */ +/* OBSOLETE out_msg_buf->read_req_msg.byte_count = 4 * 8; */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = SPECIAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = 128; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE expect_msg (READ_ACK, in_msg_buf, 1); */ +/* OBSOLETE data_p = &(in_msg_buf->read_r_ack_msg.data[0]); */ +/* OBSOLETE */ +/* OBSOLETE for (regno = 128; regno <= 135; regno++) */ +/* OBSOLETE { */ +/* OBSOLETE supply_register (SR_REGNUM (regno), data_p++); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* There doesn't seem to be any way to get these. */ */ +/* OBSOLETE { */ +/* OBSOLETE int val = -1; */ +/* OBSOLETE supply_register (FPE_REGNUM, &val); */ +/* OBSOLETE supply_register (INTE_REGNUM, &val); */ +/* OBSOLETE supply_register (FPS_REGNUM, &val); */ +/* OBSOLETE supply_register (EXO_REGNUM, &val); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /****************************************************** REMOTE_STORE_REGISTERS */ +/* OBSOLETE * Store register regno into the target. */ +/* OBSOLETE * If regno==-1 then store all the registers. */ +/* OBSOLETE * Result is 0 for success, -1 for failure. */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE mm_store_registers (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE int result; */ +/* OBSOLETE */ +/* OBSOLETE if (regno >= 0) */ +/* OBSOLETE { */ +/* OBSOLETE store_register (regno); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE result = 0; */ +/* OBSOLETE */ +/* OBSOLETE out_msg_buf->write_r_msg.code = WRITE_REQ; */ +/* OBSOLETE */ +/* OBSOLETE /* Gr1/rsp */ */ +/* OBSOLETE out_msg_buf->write_r_msg.byte_count = 4 * 1; */ +/* OBSOLETE out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; */ +/* OBSOLETE out_msg_buf->write_r_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->write_r_msg.address = 1; */ +/* OBSOLETE out_msg_buf->write_r_msg.data[0] = read_register (GR1_REGNUM); */ +/* OBSOLETE */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE #if defined(GR64_REGNUM) */ +/* OBSOLETE /* Global registers gr64-gr95 */ */ +/* OBSOLETE out_msg_buf->write_r_msg.byte_count = 4 * (32); */ +/* OBSOLETE out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; */ +/* OBSOLETE out_msg_buf->write_r_msg.address = 64; */ +/* OBSOLETE */ +/* OBSOLETE for (regno = GR64_REGNUM; regno < GR64_REGNUM + 32; regno++) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->write_r_msg.data[regno - GR64_REGNUM] = read_register (regno); */ +/* OBSOLETE } */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE #endif /* GR64_REGNUM */ */ +/* OBSOLETE */ +/* OBSOLETE /* Global registers gr96-gr127 */ */ +/* OBSOLETE out_msg_buf->write_r_msg.byte_count = 4 * (32); */ +/* OBSOLETE out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; */ +/* OBSOLETE out_msg_buf->write_r_msg.address = 96; */ +/* OBSOLETE for (regno = GR96_REGNUM; regno < GR96_REGNUM + 32; regno++) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->write_r_msg.data[regno - GR96_REGNUM] = read_register (regno); */ +/* OBSOLETE } */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Local Registers */ */ +/* OBSOLETE out_msg_buf->write_r_msg.memory_space = LOCAL_REG; */ +/* OBSOLETE out_msg_buf->write_r_msg.byte_count = 4 * 128; */ +/* OBSOLETE out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; */ +/* OBSOLETE out_msg_buf->write_r_msg.address = 0; */ +/* OBSOLETE */ +/* OBSOLETE for (regno = LR0_REGNUM; regno < LR0_REGNUM + 128; regno++) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->write_r_msg.data[regno - LR0_REGNUM] = read_register (regno); */ +/* OBSOLETE } */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Protected Special Registers */ */ +/* OBSOLETE /* VAB through TMR */ */ +/* OBSOLETE out_msg_buf->write_r_msg.memory_space = SPECIAL_REG; */ +/* OBSOLETE out_msg_buf->write_r_msg.byte_count = 4 * 10; */ +/* OBSOLETE out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; */ +/* OBSOLETE out_msg_buf->write_r_msg.address = 0; */ +/* OBSOLETE for (regno = 0; regno <= 9; regno++) /* VAB through TMR */ */ +/* OBSOLETE out_msg_buf->write_r_msg.data[regno] = read_register (SR_REGNUM (regno)); */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* PC0, PC1, PC2 possibly as shadow registers */ */ +/* OBSOLETE out_msg_buf->write_r_msg.byte_count = 4 * 3; */ +/* OBSOLETE out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; */ +/* OBSOLETE for (regno = 10; regno <= 12; regno++) /* LRU and MMU */ */ +/* OBSOLETE out_msg_buf->write_r_msg.data[regno - 10] = read_register (SR_REGNUM (regno)); */ +/* OBSOLETE if (USE_SHADOW_PC) */ +/* OBSOLETE out_msg_buf->write_r_msg.address = 20; /* SPC0 */ */ +/* OBSOLETE else */ +/* OBSOLETE out_msg_buf->write_r_msg.address = 10; /* PC0 */ */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* LRU and MMU */ */ +/* OBSOLETE out_msg_buf->write_r_msg.byte_count = 4 * 2; */ +/* OBSOLETE out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; */ +/* OBSOLETE out_msg_buf->write_r_msg.address = 13; */ +/* OBSOLETE for (regno = 13; regno <= 14; regno++) /* LRU and MMU */ */ +/* OBSOLETE out_msg_buf->write_r_msg.data[regno - 13] = read_register (SR_REGNUM (regno)); */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Unprotected Special Registers */ */ +/* OBSOLETE out_msg_buf->write_r_msg.byte_count = 4 * 8; */ +/* OBSOLETE out_msg_buf->write_r_msg.length = 3 * 4 + out_msg_buf->write_r_msg.byte_count; */ +/* OBSOLETE out_msg_buf->write_r_msg.address = 128; */ +/* OBSOLETE for (regno = 128; regno <= 135; regno++) */ +/* OBSOLETE out_msg_buf->write_r_msg.data[regno - 128] = read_register (SR_REGNUM (regno)); */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (!expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE registers_changed (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /*************************************************** REMOTE_PREPARE_TO_STORE */ */ +/* OBSOLETE /* Get ready to modify the registers array. On machines which store */ +/* OBSOLETE individual registers, this doesn't need to do anything. On machines */ +/* OBSOLETE which store all the registers in one fell swoop, this makes sure */ +/* OBSOLETE that registers contains all the registers from the program being */ +/* OBSOLETE debugged. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE mm_prepare_to_store (void) */ +/* OBSOLETE { */ +/* OBSOLETE /* Do nothing, since we can store individual regs */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /******************************************************* REMOTE_XFER_MEMORY */ */ +/* OBSOLETE static CORE_ADDR */ +/* OBSOLETE translate_addr (CORE_ADDR addr) */ +/* OBSOLETE { */ +/* OBSOLETE #if defined(KERNEL_DEBUGGING) */ +/* OBSOLETE /* Check for a virtual address in the kernel */ */ +/* OBSOLETE /* Assume physical address of ublock is in paddr_u register */ */ +/* OBSOLETE /* FIXME: doesn't work for user virtual addresses */ */ +/* OBSOLETE if (addr >= UVADDR) */ +/* OBSOLETE { */ +/* OBSOLETE /* PADDR_U register holds the physical address of the ublock */ */ +/* OBSOLETE CORE_ADDR i = (CORE_ADDR) read_register (PADDR_U_REGNUM); */ +/* OBSOLETE return (i + addr - (CORE_ADDR) UVADDR); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE return (addr); */ +/* OBSOLETE } */ +/* OBSOLETE #else */ +/* OBSOLETE return (addr); */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /******************************************************* REMOTE_FILES_INFO */ */ +/* OBSOLETE static void */ +/* OBSOLETE mm_files_info (void) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("\tAttached to %s at %d baud and running program %s.\n", */ +/* OBSOLETE dev_name, baudrate, prog_name); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /************************************************* REMOTE_INSERT_BREAKPOINT */ */ +/* OBSOLETE static int */ +/* OBSOLETE mm_insert_breakpoint (CORE_ADDR addr, char *contents_cache) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->bkpt_set_msg.code = BKPT_SET; */ +/* OBSOLETE out_msg_buf->bkpt_set_msg.length = 4 * 4; */ +/* OBSOLETE out_msg_buf->bkpt_set_msg.memory_space = I_MEM; */ +/* OBSOLETE out_msg_buf->bkpt_set_msg.bkpt_addr = (ADDR32) addr; */ +/* OBSOLETE out_msg_buf->bkpt_set_msg.pass_count = 1; */ +/* OBSOLETE out_msg_buf->bkpt_set_msg.bkpt_type = -1; /* use illop for 29000 */ */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (expect_msg (BKPT_SET_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE return 0; /* Success */ */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE return 1; /* Failure */ */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /************************************************* REMOTE_DELETE_BREAKPOINT */ */ +/* OBSOLETE static int */ +/* OBSOLETE mm_remove_breakpoint (CORE_ADDR addr, char *contents_cache) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->bkpt_rm_msg.code = BKPT_RM; */ +/* OBSOLETE out_msg_buf->bkpt_rm_msg.length = 4 * 3; */ +/* OBSOLETE out_msg_buf->bkpt_rm_msg.memory_space = I_MEM; */ +/* OBSOLETE out_msg_buf->bkpt_rm_msg.bkpt_addr = (ADDR32) addr; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE if (expect_msg (BKPT_RM_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE return 0; /* Success */ */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE return 1; /* Failure */ */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /******************************************************* REMOTE_KILL */ */ +/* OBSOLETE static void */ +/* OBSOLETE mm_kill (char *arg, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE char buf[4]; */ +/* OBSOLETE */ +/* OBSOLETE #if defined(KERNEL_DEBUGGING) */ +/* OBSOLETE /* We don't ever kill the kernel */ */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Kernel not killed, but left in current state.\n"); */ +/* OBSOLETE printf ("Use detach to leave kernel running.\n"); */ +/* OBSOLETE } */ +/* OBSOLETE #else */ +/* OBSOLETE out_msg_buf->break_msg.code = BREAK; */ +/* OBSOLETE out_msg_buf->bkpt_set_msg.length = 4 * 0; */ +/* OBSOLETE expect_msg (HALT, in_msg_buf, from_tty); */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Target has been stopped."); */ +/* OBSOLETE printf ("Would you like to do a hardware reset (y/n) [n] "); */ +/* OBSOLETE fgets (buf, 3, stdin); */ +/* OBSOLETE if (buf[0] == 'y') */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->reset_msg.code = RESET; */ +/* OBSOLETE out_msg_buf->bkpt_set_msg.length = 4 * 0; */ +/* OBSOLETE expect_msg (RESET_ACK, in_msg_buf, from_tty); */ +/* OBSOLETE printf ("Target has been reset."); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE pop_target (); */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /***************************************************************************/ */ +/* OBSOLETE /* */ +/* OBSOLETE * Load a program into the target. */ +/* OBSOLETE */ */ +/* OBSOLETE static void */ +/* OBSOLETE mm_load (char *arg_string, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE dont_repeat (); */ +/* OBSOLETE */ +/* OBSOLETE #if defined(KERNEL_DEBUGGING) */ +/* OBSOLETE printf ("The kernel had better be loaded already! Loading not done.\n"); */ +/* OBSOLETE #else */ +/* OBSOLETE if (arg_string == 0) */ +/* OBSOLETE error ("The load command takes a file name"); */ +/* OBSOLETE */ +/* OBSOLETE arg_string = tilde_expand (arg_string); */ +/* OBSOLETE make_cleanup (xfree, arg_string); */ +/* OBSOLETE QUIT; */ +/* OBSOLETE immediate_quit++; */ +/* OBSOLETE error ("File loading is not yet supported for MiniMon."); */ +/* OBSOLETE /* FIXME, code to load your file here... */ */ +/* OBSOLETE /* You may need to do an init_target_mm() */ */ +/* OBSOLETE /* init_target_mm(?,?,?,?,?,?,?,?); */ */ +/* OBSOLETE immediate_quit--; */ +/* OBSOLETE /* symbol_file_add (arg_string, from_tty, text_addr, 0, 0); */ */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /************************************************ REMOTE_WRITE_INFERIOR_MEMORY */ +/* OBSOLETE ** Copy LEN bytes of data from debugger memory at MYADDR */ +/* OBSOLETE to inferior's memory at MEMADDR. Returns number of bytes written. */ */ +/* OBSOLETE static int */ +/* OBSOLETE mm_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int i, nwritten; */ +/* OBSOLETE */ +/* OBSOLETE out_msg_buf->write_req_msg.code = WRITE_REQ; */ +/* OBSOLETE out_msg_buf->write_req_msg.memory_space = mm_memory_space (memaddr); */ +/* OBSOLETE */ +/* OBSOLETE nwritten = 0; */ +/* OBSOLETE while (nwritten < len) */ +/* OBSOLETE { */ +/* OBSOLETE int num_to_write = len - nwritten; */ +/* OBSOLETE if (num_to_write > MAXDATA) */ +/* OBSOLETE num_to_write = MAXDATA; */ +/* OBSOLETE for (i = 0; i < num_to_write; i++) */ +/* OBSOLETE out_msg_buf->write_req_msg.data[i] = myaddr[i + nwritten]; */ +/* OBSOLETE out_msg_buf->write_req_msg.byte_count = num_to_write; */ +/* OBSOLETE out_msg_buf->write_req_msg.length = 3 * 4 + num_to_write; */ +/* OBSOLETE out_msg_buf->write_req_msg.address = memaddr + nwritten; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE */ +/* OBSOLETE if (expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE nwritten += in_msg_buf->write_ack_msg.byte_count; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE return (nwritten); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /************************************************* REMOTE_READ_INFERIOR_MEMORY */ +/* OBSOLETE ** Read LEN bytes from inferior memory at MEMADDR. Put the result */ +/* OBSOLETE at debugger address MYADDR. Returns number of bytes read. */ */ +/* OBSOLETE static int */ +/* OBSOLETE mm_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int i, nread; */ +/* OBSOLETE */ +/* OBSOLETE out_msg_buf->read_req_msg.code = READ_REQ; */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = mm_memory_space (memaddr); */ +/* OBSOLETE */ +/* OBSOLETE nread = 0; */ +/* OBSOLETE while (nread < len) */ +/* OBSOLETE { */ +/* OBSOLETE int num_to_read = (len - nread); */ +/* OBSOLETE if (num_to_read > MAXDATA) */ +/* OBSOLETE num_to_read = MAXDATA; */ +/* OBSOLETE out_msg_buf->read_req_msg.byte_count = num_to_read; */ +/* OBSOLETE out_msg_buf->read_req_msg.length = 3 * 4 + num_to_read; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = memaddr + nread; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE */ +/* OBSOLETE if (expect_msg (READ_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE for (i = 0; i < in_msg_buf->read_ack_msg.byte_count; i++) */ +/* OBSOLETE myaddr[i + nread] = in_msg_buf->read_ack_msg.data[i]; */ +/* OBSOLETE nread += in_msg_buf->read_ack_msg.byte_count; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE return (nread); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* FIXME! Merge these two. */ */ +/* OBSOLETE static int */ +/* OBSOLETE mm_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, */ +/* OBSOLETE struct mem_attrib *attrib ATTRIBUTE_UNUSED, */ +/* OBSOLETE struct target_ops *target ATTRIBUTE_UNUSED) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE memaddr = translate_addr (memaddr); */ +/* OBSOLETE */ +/* OBSOLETE if (write) */ +/* OBSOLETE return mm_write_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE else */ +/* OBSOLETE return mm_read_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /********************************************************** MSG_SEND_SERIAL */ +/* OBSOLETE ** This function is used to send a message over the */ +/* OBSOLETE ** serial line. */ +/* OBSOLETE ** */ +/* OBSOLETE ** If the message is successfully sent, a zero is */ +/* OBSOLETE ** returned. If the message was not sendable, a -1 */ +/* OBSOLETE ** is returned. This function blocks. That is, it */ +/* OBSOLETE ** does not return until the message is completely */ +/* OBSOLETE ** sent, or until an error is encountered. */ +/* OBSOLETE ** */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE msg_send_serial (union msg_t *msg_ptr) */ +/* OBSOLETE { */ +/* OBSOLETE INT32 message_size; */ +/* OBSOLETE int byte_count; */ +/* OBSOLETE int result; */ +/* OBSOLETE char c; */ +/* OBSOLETE */ +/* OBSOLETE /* Send message header */ */ +/* OBSOLETE byte_count = 0; */ +/* OBSOLETE message_size = msg_ptr->generic_msg.length + (2 * sizeof (INT32)); */ +/* OBSOLETE do */ +/* OBSOLETE { */ +/* OBSOLETE c = *((char *) msg_ptr + byte_count); */ +/* OBSOLETE result = write (mm_desc, &c, 1); */ +/* OBSOLETE if (result == 1) */ +/* OBSOLETE { */ +/* OBSOLETE byte_count = byte_count + 1; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE while ((byte_count < message_size)); */ +/* OBSOLETE */ +/* OBSOLETE return (0); */ +/* OBSOLETE } /* end msg_send_serial() */ */ +/* OBSOLETE */ +/* OBSOLETE /********************************************************** MSG_RECV_SERIAL */ +/* OBSOLETE ** This function is used to receive a message over a */ +/* OBSOLETE ** serial line. */ +/* OBSOLETE ** */ +/* OBSOLETE ** If the message is waiting in the buffer, a zero is */ +/* OBSOLETE ** returned and the buffer pointed to by msg_ptr is filled */ +/* OBSOLETE ** in. If no message was available, a -1 is returned. */ +/* OBSOLETE ** If timeout==0, wait indefinetly for a character. */ +/* OBSOLETE ** */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE msg_recv_serial (union msg_t *msg_ptr) */ +/* OBSOLETE { */ +/* OBSOLETE static INT32 length = 0; */ +/* OBSOLETE static INT32 byte_count = 0; */ +/* OBSOLETE int result; */ +/* OBSOLETE char c; */ +/* OBSOLETE if (msg_ptr == 0) /* re-sync request */ */ +/* OBSOLETE { */ +/* OBSOLETE length = 0; */ +/* OBSOLETE byte_count = 0; */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE /* The timeout here is the prevailing timeout set with VTIME */ */ +/* OBSOLETE ->"timeout==0 semantics not supported" */ +/* OBSOLETE read (mm_desc, in_buf, BUFER_SIZE); */ +/* OBSOLETE #else */ +/* OBSOLETE alarm (1); */ +/* OBSOLETE read (mm_desc, in_buf, BUFER_SIZE); */ +/* OBSOLETE alarm (0); */ +/* OBSOLETE #endif */ +/* OBSOLETE return (0); */ +/* OBSOLETE } */ +/* OBSOLETE /* Receive message */ */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE /* Timeout==0, help support the mm_wait() routine */ */ +/* OBSOLETE ->"timeout==0 semantics not supported (and its nice if they are)" */ +/* OBSOLETE result = read (mm_desc, &c, 1); */ +/* OBSOLETE #else */ +/* OBSOLETE alarm (timeout); */ +/* OBSOLETE result = read (mm_desc, &c, 1); */ +/* OBSOLETE alarm (0); */ +/* OBSOLETE #endif */ +/* OBSOLETE if (result < 0) */ +/* OBSOLETE { */ +/* OBSOLETE if (errno == EINTR) */ +/* OBSOLETE { */ +/* OBSOLETE error ("Timeout reading from remote system."); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE perror_with_name ("remote"); */ +/* OBSOLETE } */ +/* OBSOLETE else if (result == 1) */ +/* OBSOLETE { */ +/* OBSOLETE *((char *) msg_ptr + byte_count) = c; */ +/* OBSOLETE byte_count = byte_count + 1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Message header received. Save message length. */ */ +/* OBSOLETE if (byte_count == (2 * sizeof (INT32))) */ +/* OBSOLETE length = msg_ptr->generic_msg.length; */ +/* OBSOLETE */ +/* OBSOLETE if (byte_count >= (length + (2 * sizeof (INT32)))) */ +/* OBSOLETE { */ +/* OBSOLETE /* Message received */ */ +/* OBSOLETE byte_count = 0; */ +/* OBSOLETE return (0); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE return (-1); */ +/* OBSOLETE */ +/* OBSOLETE } /* end msg_recv_serial() */ */ +/* OBSOLETE */ +/* OBSOLETE /********************************************************************* KBD_RAW */ +/* OBSOLETE ** This function is used to put the keyboard in "raw" */ +/* OBSOLETE ** mode for BSD Unix. The original status is saved */ +/* OBSOLETE ** so that it may be restored later. */ +/* OBSOLETE */ */ +/* OBSOLETE TERMINAL kbd_tbuf; */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE kbd_raw (void) */ +/* OBSOLETE { */ +/* OBSOLETE int result; */ +/* OBSOLETE TERMINAL tbuf; */ +/* OBSOLETE */ +/* OBSOLETE /* Get keyboard termio (to save to restore original modes) */ */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE result = ioctl (0, TCGETA, &kbd_tbuf); */ +/* OBSOLETE #else */ +/* OBSOLETE result = ioctl (0, TIOCGETP, &kbd_tbuf); */ +/* OBSOLETE #endif */ +/* OBSOLETE if (result == -1) */ +/* OBSOLETE return (errno); */ +/* OBSOLETE */ +/* OBSOLETE /* Get keyboard TERMINAL (for modification) */ */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE result = ioctl (0, TCGETA, &tbuf); */ +/* OBSOLETE #else */ +/* OBSOLETE result = ioctl (0, TIOCGETP, &tbuf); */ +/* OBSOLETE #endif */ +/* OBSOLETE if (result == -1) */ +/* OBSOLETE return (errno); */ +/* OBSOLETE */ +/* OBSOLETE /* Set up new parameters */ */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE tbuf.c_iflag = tbuf.c_iflag & */ +/* OBSOLETE ~(INLCR | ICRNL | IUCLC | ISTRIP | IXON | BRKINT); */ +/* OBSOLETE tbuf.c_lflag = tbuf.c_lflag & ~(ICANON | ISIG | ECHO); */ +/* OBSOLETE tbuf.c_cc[4] = 0; /* MIN */ */ +/* OBSOLETE tbuf.c_cc[5] = 0; /* TIME */ */ +/* OBSOLETE #else */ +/* OBSOLETE /* FIXME: not sure if this is correct (matches HAVE_TERMIO). */ */ +/* OBSOLETE tbuf.sg_flags |= RAW; */ +/* OBSOLETE tbuf.sg_flags |= ANYP; */ +/* OBSOLETE tbuf.sg_flags &= ~ECHO; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Set keyboard termio to new mode (RAW) */ */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE result = ioctl (0, TCSETAF, &tbuf); */ +/* OBSOLETE #else */ +/* OBSOLETE result = ioctl (0, TIOCSETP, &tbuf); */ +/* OBSOLETE #endif */ +/* OBSOLETE if (result == -1) */ +/* OBSOLETE return (errno); */ +/* OBSOLETE */ +/* OBSOLETE return (0); */ +/* OBSOLETE } /* end kbd_raw() */ */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /***************************************************************** KBD_RESTORE */ +/* OBSOLETE ** This function is used to put the keyboard back in the */ +/* OBSOLETE ** mode it was in before kbk_raw was called. Note that */ +/* OBSOLETE ** kbk_raw() must have been called at least once before */ +/* OBSOLETE ** kbd_restore() is called. */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE kbd_restore (void) */ +/* OBSOLETE { */ +/* OBSOLETE int result; */ +/* OBSOLETE */ +/* OBSOLETE /* Set keyboard termio to original mode */ */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE result = ioctl (0, TCSETAF, &kbd_tbuf); */ +/* OBSOLETE #else */ +/* OBSOLETE result = ioctl (0, TIOCGETP, &kbd_tbuf); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE if (result == -1) */ +/* OBSOLETE return (errno); */ +/* OBSOLETE */ +/* OBSOLETE return (0); */ +/* OBSOLETE } /* end kbd_cooked() */ */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /*****************************************************************************/ */ +/* OBSOLETE /* Fetch a single register indicatated by 'regno'. */ +/* OBSOLETE * Returns 0/-1 on success/failure. */ +/* OBSOLETE */ */ +/* OBSOLETE static int */ +/* OBSOLETE fetch_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE int result; */ +/* OBSOLETE out_msg_buf->read_req_msg.code = READ_REQ; */ +/* OBSOLETE out_msg_buf->read_req_msg.length = 4 * 3; */ +/* OBSOLETE out_msg_buf->read_req_msg.byte_count = 4; */ +/* OBSOLETE */ +/* OBSOLETE if (regno == GR1_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = 1; */ +/* OBSOLETE } */ +/* OBSOLETE else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = (regno - GR96_REGNUM) + 96; */ +/* OBSOLETE } */ +/* OBSOLETE #if defined(GR64_REGNUM) */ +/* OBSOLETE else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = (regno - GR64_REGNUM) + 64; */ +/* OBSOLETE } */ +/* OBSOLETE #endif /* GR64_REGNUM */ */ +/* OBSOLETE else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = LOCAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = (regno - LR0_REGNUM); */ +/* OBSOLETE } */ +/* OBSOLETE else if (regno >= FPE_REGNUM && regno <= EXO_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE int val = -1; */ +/* OBSOLETE supply_register (160 + (regno - FPE_REGNUM), &val); */ +/* OBSOLETE return 0; /* Pretend Success */ */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->read_req_msg.memory_space = SPECIAL_REG; */ +/* OBSOLETE out_msg_buf->read_req_msg.address = regnum_to_srnum (regno); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE */ +/* OBSOLETE if (expect_msg (READ_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE supply_register (regno, &(in_msg_buf->read_r_ack_msg.data[0])); */ +/* OBSOLETE result = 0; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE return result; */ +/* OBSOLETE } */ +/* OBSOLETE /*****************************************************************************/ */ +/* OBSOLETE /* Store a single register indicated by 'regno'. */ +/* OBSOLETE * Returns 0/-1 on success/failure. */ +/* OBSOLETE */ */ +/* OBSOLETE static int */ +/* OBSOLETE store_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE int result; */ +/* OBSOLETE */ +/* OBSOLETE out_msg_buf->write_req_msg.code = WRITE_REQ; */ +/* OBSOLETE out_msg_buf->write_req_msg.length = 4 * 4; */ +/* OBSOLETE out_msg_buf->write_req_msg.byte_count = 4; */ +/* OBSOLETE out_msg_buf->write_r_msg.data[0] = read_register (regno); */ +/* OBSOLETE */ +/* OBSOLETE if (regno == GR1_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->write_req_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->write_req_msg.address = 1; */ +/* OBSOLETE /* Setting GR1 changes the numbers of all the locals, so invalidate the */ +/* OBSOLETE * register cache. Do this *after* calling read_register, because we want */ +/* OBSOLETE * read_register to return the value that write_register has just stuffed */ +/* OBSOLETE * into the registers array, not the value of the register fetched from */ +/* OBSOLETE * the inferior. */ +/* OBSOLETE */ */ +/* OBSOLETE registers_changed (); */ +/* OBSOLETE } */ +/* OBSOLETE #if defined(GR64_REGNUM) */ +/* OBSOLETE else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->write_req_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->write_req_msg.address = (regno - GR64_REGNUM) + 64; */ +/* OBSOLETE } */ +/* OBSOLETE #endif /* GR64_REGNUM */ */ +/* OBSOLETE else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->write_req_msg.memory_space = GLOBAL_REG; */ +/* OBSOLETE out_msg_buf->write_req_msg.address = (regno - GR96_REGNUM) + 96; */ +/* OBSOLETE } */ +/* OBSOLETE else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->write_req_msg.memory_space = LOCAL_REG; */ +/* OBSOLETE out_msg_buf->write_req_msg.address = (regno - LR0_REGNUM); */ +/* OBSOLETE } */ +/* OBSOLETE else if (regno >= FPE_REGNUM && regno <= EXO_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE return 0; /* Pretend Success */ */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE /* An unprotected or protected special register */ */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->write_req_msg.memory_space = SPECIAL_REG; */ +/* OBSOLETE out_msg_buf->write_req_msg.address = regnum_to_srnum (regno); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE */ +/* OBSOLETE if (expect_msg (WRITE_ACK, in_msg_buf, 1)) */ +/* OBSOLETE { */ +/* OBSOLETE result = 0; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE result = -1; */ +/* OBSOLETE } */ +/* OBSOLETE return result; */ +/* OBSOLETE } */ +/* OBSOLETE /****************************************************************************/ */ +/* OBSOLETE /* */ +/* OBSOLETE * Convert a gdb special register number to a 29000 special register number. */ +/* OBSOLETE */ */ +/* OBSOLETE static int */ +/* OBSOLETE regnum_to_srnum (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE switch (regno) */ +/* OBSOLETE { */ +/* OBSOLETE case VAB_REGNUM: */ +/* OBSOLETE return (0); */ +/* OBSOLETE case OPS_REGNUM: */ +/* OBSOLETE return (1); */ +/* OBSOLETE case CPS_REGNUM: */ +/* OBSOLETE return (2); */ +/* OBSOLETE case CFG_REGNUM: */ +/* OBSOLETE return (3); */ +/* OBSOLETE case CHA_REGNUM: */ +/* OBSOLETE return (4); */ +/* OBSOLETE case CHD_REGNUM: */ +/* OBSOLETE return (5); */ +/* OBSOLETE case CHC_REGNUM: */ +/* OBSOLETE return (6); */ +/* OBSOLETE case RBP_REGNUM: */ +/* OBSOLETE return (7); */ +/* OBSOLETE case TMC_REGNUM: */ +/* OBSOLETE return (8); */ +/* OBSOLETE case TMR_REGNUM: */ +/* OBSOLETE return (9); */ +/* OBSOLETE case NPC_REGNUM: */ +/* OBSOLETE return (USE_SHADOW_PC ? (20) : (10)); */ +/* OBSOLETE case PC_REGNUM: */ +/* OBSOLETE return (USE_SHADOW_PC ? (21) : (11)); */ +/* OBSOLETE case PC2_REGNUM: */ +/* OBSOLETE return (USE_SHADOW_PC ? (22) : (12)); */ +/* OBSOLETE case MMU_REGNUM: */ +/* OBSOLETE return (13); */ +/* OBSOLETE case LRU_REGNUM: */ +/* OBSOLETE return (14); */ +/* OBSOLETE case IPC_REGNUM: */ +/* OBSOLETE return (128); */ +/* OBSOLETE case IPA_REGNUM: */ +/* OBSOLETE return (129); */ +/* OBSOLETE case IPB_REGNUM: */ +/* OBSOLETE return (130); */ +/* OBSOLETE case Q_REGNUM: */ +/* OBSOLETE return (131); */ +/* OBSOLETE case ALU_REGNUM: */ +/* OBSOLETE return (132); */ +/* OBSOLETE case BP_REGNUM: */ +/* OBSOLETE return (133); */ +/* OBSOLETE case FC_REGNUM: */ +/* OBSOLETE return (134); */ +/* OBSOLETE case CR_REGNUM: */ +/* OBSOLETE return (135); */ +/* OBSOLETE case FPE_REGNUM: */ +/* OBSOLETE return (160); */ +/* OBSOLETE case INTE_REGNUM: */ +/* OBSOLETE return (161); */ +/* OBSOLETE case FPS_REGNUM: */ +/* OBSOLETE return (162); */ +/* OBSOLETE case EXO_REGNUM: */ +/* OBSOLETE return (164); */ +/* OBSOLETE default: */ +/* OBSOLETE return (255); /* Failure ? */ */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE /****************************************************************************/ */ +/* OBSOLETE /* */ +/* OBSOLETE * Initialize the target debugger (minimon only). */ +/* OBSOLETE */ */ +/* OBSOLETE static void */ +/* OBSOLETE init_target_mm (ADDR32 tstart, ADDR32 tend, ADDR32 dstart, ADDR32 dend, */ +/* OBSOLETE ADDR32 entry, INT32 ms_size, INT32 rs_size, ADDR32 arg_start) */ +/* OBSOLETE { */ +/* OBSOLETE out_msg_buf->init_msg.code = INIT; */ +/* OBSOLETE out_msg_buf->init_msg.length = sizeof (struct init_msg_t) - 2 * sizeof (INT32); */ +/* OBSOLETE out_msg_buf->init_msg.text_start = tstart; */ +/* OBSOLETE out_msg_buf->init_msg.text_end = tend; */ +/* OBSOLETE out_msg_buf->init_msg.data_start = dstart; */ +/* OBSOLETE out_msg_buf->init_msg.data_end = dend; */ +/* OBSOLETE out_msg_buf->init_msg.entry_point = entry; */ +/* OBSOLETE out_msg_buf->init_msg.mem_stack_size = ms_size; */ +/* OBSOLETE out_msg_buf->init_msg.reg_stack_size = rs_size; */ +/* OBSOLETE out_msg_buf->init_msg.arg_start = arg_start; */ +/* OBSOLETE msg_send_serial (out_msg_buf); */ +/* OBSOLETE expect_msg (INIT_ACK, in_msg_buf, 1); */ +/* OBSOLETE } */ +/* OBSOLETE /****************************************************************************/ */ +/* OBSOLETE /* */ +/* OBSOLETE * Return a pointer to a string representing the given message code. */ +/* OBSOLETE * Not all messages are represented here, only the ones that we expect */ +/* OBSOLETE * to be called with. */ +/* OBSOLETE */ */ +/* OBSOLETE static char * */ +/* OBSOLETE msg_str (INT32 code) */ +/* OBSOLETE { */ +/* OBSOLETE static char cbuf[32]; */ +/* OBSOLETE */ +/* OBSOLETE switch (code) */ +/* OBSOLETE { */ +/* OBSOLETE case BKPT_SET_ACK: */ +/* OBSOLETE sprintf (cbuf, "%s (%d)", "BKPT_SET_ACK", code); */ +/* OBSOLETE break; */ +/* OBSOLETE case BKPT_RM_ACK: */ +/* OBSOLETE sprintf (cbuf, "%s (%d)", "BKPT_RM_ACK", code); */ +/* OBSOLETE break; */ +/* OBSOLETE case INIT_ACK: */ +/* OBSOLETE sprintf (cbuf, "%s (%d)", "INIT_ACK", code); */ +/* OBSOLETE break; */ +/* OBSOLETE case READ_ACK: */ +/* OBSOLETE sprintf (cbuf, "%s (%d)", "READ_ACK", code); */ +/* OBSOLETE break; */ +/* OBSOLETE case WRITE_ACK: */ +/* OBSOLETE sprintf (cbuf, "%s (%d)", "WRITE_ACK", code); */ +/* OBSOLETE break; */ +/* OBSOLETE case ERROR: */ +/* OBSOLETE sprintf (cbuf, "%s (%d)", "ERROR", code); */ +/* OBSOLETE break; */ +/* OBSOLETE case HALT: */ +/* OBSOLETE sprintf (cbuf, "%s (%d)", "HALT", code); */ +/* OBSOLETE break; */ +/* OBSOLETE default: */ +/* OBSOLETE sprintf (cbuf, "UNKNOWN (%d)", code); */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE return (cbuf); */ +/* OBSOLETE } */ +/* OBSOLETE /****************************************************************************/ */ +/* OBSOLETE /* */ +/* OBSOLETE * Selected (not all of them) error codes that we might get. */ +/* OBSOLETE */ */ +/* OBSOLETE static char * */ +/* OBSOLETE error_msg_str (INT32 code) */ +/* OBSOLETE { */ +/* OBSOLETE static char cbuf[50]; */ +/* OBSOLETE */ +/* OBSOLETE switch (code) */ +/* OBSOLETE { */ +/* OBSOLETE case EMFAIL: */ +/* OBSOLETE return ("EMFAIL: unrecoverable error"); */ +/* OBSOLETE case EMBADADDR: */ +/* OBSOLETE return ("EMBADADDR: Illegal address"); */ +/* OBSOLETE case EMBADREG: */ +/* OBSOLETE return ("EMBADREG: Illegal register "); */ +/* OBSOLETE case EMACCESS: */ +/* OBSOLETE return ("EMACCESS: Could not access memory"); */ +/* OBSOLETE case EMBADMSG: */ +/* OBSOLETE return ("EMBADMSG: Unknown message type"); */ +/* OBSOLETE case EMMSG2BIG: */ +/* OBSOLETE return ("EMMSG2BIG: Message to large"); */ +/* OBSOLETE case EMNOSEND: */ +/* OBSOLETE return ("EMNOSEND: Could not send message"); */ +/* OBSOLETE case EMNORECV: */ +/* OBSOLETE return ("EMNORECV: Could not recv message"); */ +/* OBSOLETE case EMRESET: */ +/* OBSOLETE return ("EMRESET: Could not RESET target"); */ +/* OBSOLETE case EMCONFIG: */ +/* OBSOLETE return ("EMCONFIG: Could not get target CONFIG"); */ +/* OBSOLETE case EMSTATUS: */ +/* OBSOLETE return ("EMSTATUS: Could not get target STATUS"); */ +/* OBSOLETE case EMREAD: */ +/* OBSOLETE return ("EMREAD: Could not READ target memory"); */ +/* OBSOLETE case EMWRITE: */ +/* OBSOLETE return ("EMWRITE: Could not WRITE target memory"); */ +/* OBSOLETE case EMBKPTSET: */ +/* OBSOLETE return ("EMBKPTSET: Could not set breakpoint"); */ +/* OBSOLETE case EMBKPTRM: */ +/* OBSOLETE return ("EMBKPTRM: Could not remove breakpoint"); */ +/* OBSOLETE case EMBKPTSTAT: */ +/* OBSOLETE return ("EMBKPTSTAT: Could not get breakpoint status"); */ +/* OBSOLETE case EMBKPTNONE: */ +/* OBSOLETE return ("EMBKPTNONE: All breakpoints in use"); */ +/* OBSOLETE case EMBKPTUSED: */ +/* OBSOLETE return ("EMBKPTUSED: Breakpoints already in use"); */ +/* OBSOLETE case EMINIT: */ +/* OBSOLETE return ("EMINIT: Could not init target memory"); */ +/* OBSOLETE case EMGO: */ +/* OBSOLETE return ("EMGO: Could not start execution"); */ +/* OBSOLETE case EMSTEP: */ +/* OBSOLETE return ("EMSTEP: Could not single step"); */ +/* OBSOLETE case EMBREAK: */ +/* OBSOLETE return ("EMBREAK: Could not BREAK"); */ +/* OBSOLETE case EMCOMMERR: */ +/* OBSOLETE return ("EMCOMMERR: Communication error"); */ +/* OBSOLETE default: */ +/* OBSOLETE sprintf (cbuf, "error number %d", code); */ +/* OBSOLETE break; */ +/* OBSOLETE } /* end switch */ */ +/* OBSOLETE */ +/* OBSOLETE return (cbuf); */ +/* OBSOLETE } */ +/* OBSOLETE /****************************************************************************/ */ +/* OBSOLETE */ +/* OBSOLETE /* Receive a message, placing it in MSG_BUF, and expect it to be of */ +/* OBSOLETE type MSGCODE. If an error occurs, a non-zero FROM_TTY indicates */ +/* OBSOLETE that the message should be printed. */ +/* OBSOLETE */ +/* OBSOLETE Return 0 for failure, 1 for success. */ */ +/* OBSOLETE */ +/* OBSOLETE static int */ +/* OBSOLETE expect_msg (INT32 msgcode, union msg_t *msg_buf, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE int retries = 0; */ +/* OBSOLETE while (msg_recv_serial (msg_buf) && (retries++ < MAX_RETRIES)); */ +/* OBSOLETE if (retries >= MAX_RETRIES) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Expected msg %s, ", msg_str (msgcode)); */ +/* OBSOLETE printf ("no message received!\n"); */ +/* OBSOLETE return (0); /* Failure */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE if (msg_buf->generic_msg.code != msgcode) */ +/* OBSOLETE { */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("Expected msg %s, ", msg_str (msgcode)); */ +/* OBSOLETE printf ("got msg %s\n", msg_str (msg_buf->generic_msg.code)); */ +/* OBSOLETE if (msg_buf->generic_msg.code == ERROR) */ +/* OBSOLETE printf ("%s\n", error_msg_str (msg_buf->error_msg.error_code)); */ +/* OBSOLETE } */ +/* OBSOLETE return (0); /* Failure */ */ +/* OBSOLETE } */ +/* OBSOLETE return (1); /* Success */ */ +/* OBSOLETE } */ +/* OBSOLETE /****************************************************************************/ */ +/* OBSOLETE /* */ +/* OBSOLETE * Determine the MiniMon memory space qualifier based on the addr. */ +/* OBSOLETE * FIXME: Can't distinguis I_ROM/D_ROM. */ +/* OBSOLETE * FIXME: Doesn't know anything about I_CACHE/D_CACHE. */ +/* OBSOLETE */ */ +/* OBSOLETE static int */ +/* OBSOLETE mm_memory_space (CORE_ADDR *addr) */ +/* OBSOLETE { */ +/* OBSOLETE ADDR32 tstart = target_config.I_mem_start; */ +/* OBSOLETE ADDR32 tend = tstart + target_config.I_mem_size; */ +/* OBSOLETE ADDR32 dstart = target_config.D_mem_start; */ +/* OBSOLETE ADDR32 dend = tstart + target_config.D_mem_size; */ +/* OBSOLETE ADDR32 rstart = target_config.ROM_start; */ +/* OBSOLETE ADDR32 rend = tstart + target_config.ROM_size; */ +/* OBSOLETE */ +/* OBSOLETE if (((ADDR32) addr >= tstart) && ((ADDR32) addr < tend)) */ +/* OBSOLETE { */ +/* OBSOLETE return I_MEM; */ +/* OBSOLETE } */ +/* OBSOLETE else if (((ADDR32) addr >= dstart) && ((ADDR32) addr < dend)) */ +/* OBSOLETE { */ +/* OBSOLETE return D_MEM; */ +/* OBSOLETE } */ +/* OBSOLETE else if (((ADDR32) addr >= rstart) && ((ADDR32) addr < rend)) */ +/* OBSOLETE { */ +/* OBSOLETE /* FIXME: how do we determine between D_ROM and I_ROM */ */ +/* OBSOLETE return D_ROM; */ +/* OBSOLETE } */ +/* OBSOLETE else /* FIXME: what do me do now? */ */ +/* OBSOLETE return D_MEM; /* Hmmm! */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /****************************************************************************/ */ +/* OBSOLETE /* */ +/* OBSOLETE * Define the target subroutine names */ +/* OBSOLETE */ */ +/* OBSOLETE struct target_ops mm_ops; */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE init_mm_ops (void) */ +/* OBSOLETE { */ +/* OBSOLETE mm_ops.to_shortname = "minimon"; */ +/* OBSOLETE mm_ops.to_longname = "Remote AMD/Minimon target"; */ +/* OBSOLETE mm_ops.to_doc = "Remote debug an AMD 290*0 using the MiniMon dbg core on the target"; */ +/* OBSOLETE mm_ops.to_open = mm_open; */ +/* OBSOLETE mm_ops.to_close = mm_close; */ +/* OBSOLETE mm_ops.to_attach = mm_attach; */ +/* OBSOLETE mm_ops.to_post_attach = NULL; */ +/* OBSOLETE mm_ops.to_require_attach = NULL; */ +/* OBSOLETE mm_ops.to_detach = mm_detach; */ +/* OBSOLETE mm_ops.to_require_detach = NULL; */ +/* OBSOLETE mm_ops.to_resume = mm_resume; */ +/* OBSOLETE mm_ops.to_wait = mm_wait; */ +/* OBSOLETE mm_ops.to_post_wait = NULL; */ +/* OBSOLETE mm_ops.to_fetch_registers = mm_fetch_registers; */ +/* OBSOLETE mm_ops.to_store_registers = mm_store_registers; */ +/* OBSOLETE mm_ops.to_prepare_to_store = mm_prepare_to_store; */ +/* OBSOLETE mm_ops.to_xfer_memory = mm_xfer_inferior_memory; */ +/* OBSOLETE mm_ops.to_files_info = mm_files_info; */ +/* OBSOLETE mm_ops.to_insert_breakpoint = mm_insert_breakpoint; */ +/* OBSOLETE mm_ops.to_remove_breakpoint = mm_remove_breakpoint; */ +/* OBSOLETE mm_ops.to_terminal_init = 0; */ +/* OBSOLETE mm_ops.to_terminal_inferior = 0; */ +/* OBSOLETE mm_ops.to_terminal_ours_for_output = 0; */ +/* OBSOLETE mm_ops.to_terminal_ours = 0; */ +/* OBSOLETE mm_ops.to_terminal_info = 0; */ +/* OBSOLETE mm_ops.to_kill = mm_kill; */ +/* OBSOLETE mm_ops.to_load = mm_load; */ +/* OBSOLETE mm_ops.to_lookup_symbol = 0; */ +/* OBSOLETE mm_ops.to_create_inferior = mm_create_inferior; */ +/* OBSOLETE mm_ops.to_post_startup_inferior = NULL; */ +/* OBSOLETE mm_ops.to_acknowledge_created_inferior = NULL; */ +/* OBSOLETE mm_ops.to_clone_and_follow_inferior = NULL; */ +/* OBSOLETE mm_ops.to_post_follow_inferior_by_clone = NULL; */ +/* OBSOLETE mm_ops.to_insert_fork_catchpoint = NULL; */ +/* OBSOLETE mm_ops.to_remove_fork_catchpoint = NULL; */ +/* OBSOLETE mm_ops.to_insert_vfork_catchpoint = NULL; */ +/* OBSOLETE mm_ops.to_remove_vfork_catchpoint = NULL; */ +/* OBSOLETE mm_ops.to_has_forked = NULL; */ +/* OBSOLETE mm_ops.to_has_vforked = NULL; */ +/* OBSOLETE mm_ops.to_can_follow_vfork_prior_to_exec = NULL; */ +/* OBSOLETE mm_ops.to_post_follow_vfork = NULL; */ +/* OBSOLETE mm_ops.to_insert_exec_catchpoint = NULL; */ +/* OBSOLETE mm_ops.to_remove_exec_catchpoint = NULL; */ +/* OBSOLETE mm_ops.to_has_execd = NULL; */ +/* OBSOLETE mm_ops.to_reported_exec_events_per_exec_call = NULL; */ +/* OBSOLETE mm_ops.to_has_exited = NULL; */ +/* OBSOLETE mm_ops.to_mourn_inferior = mm_mourn; */ +/* OBSOLETE mm_ops.to_can_run = 0; */ +/* OBSOLETE mm_ops.to_notice_signals = 0; */ +/* OBSOLETE mm_ops.to_thread_alive = 0; */ +/* OBSOLETE mm_ops.to_stop = 0; */ +/* OBSOLETE mm_ops.to_pid_to_exec_file = NULL; */ +/* OBSOLETE mm_ops.to_stratum = process_stratum; */ +/* OBSOLETE mm_ops.DONT_USE = 0; */ +/* OBSOLETE mm_ops.to_has_all_memory = 1; */ +/* OBSOLETE mm_ops.to_has_memory = 1; */ +/* OBSOLETE mm_ops.to_has_stack = 1; */ +/* OBSOLETE mm_ops.to_has_registers = 1; */ +/* OBSOLETE mm_ops.to_has_execution = 1; */ +/* OBSOLETE mm_ops.to_sections = 0; */ +/* OBSOLETE mm_ops.to_sections_end = 0; */ +/* OBSOLETE mm_ops.to_magic = OPS_MAGIC; */ +/* OBSOLETE }; */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE _initialize_remote_mm (void) */ +/* OBSOLETE { */ +/* OBSOLETE init_mm_ops (); */ +/* OBSOLETE add_target (&mm_ops); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE #ifdef NO_HIF_SUPPORT */ +/* OBSOLETE service_HIF (union msg_t *msg) */ +/* OBSOLETE { */ +/* OBSOLETE return (0); /* Emulate a failure */ */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ diff --git a/gdb/remote-udi.c b/gdb/remote-udi.c index 83cc553da93..f7863a81395 100644 --- a/gdb/remote-udi.c +++ b/gdb/remote-udi.c @@ -1,1722 +1,1722 @@ -/* Remote debugging interface for AMD 29k interfaced via UDI, for GDB. - Copyright 1990, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001 - Free Software Foundation, Inc. - Written by Daniel Mann. Contributed by AMD. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* This is like remote.c but uses the Universal Debug Interface (UDI) to - talk to the target hardware (or simulator). UDI is a TCP/IP based - protocol; for hardware that doesn't run TCP, an interface adapter - daemon talks UDI on one side, and talks to the hardware (typically - over a serial port) on the other side. - - - Originally written by Daniel Mann at AMD for MiniMON and gdb 3.91.6. - - David Wood (wood@lab.ultra.nyu.edu) at New York University adapted this - file to gdb 3.95. I was unable to get this working on sun3os4 - with termio, only with sgtty. - - Daniel Mann at AMD took the 3.95 adaptions above and replaced - MiniMON interface with UDI-p interface. */ - -#include "defs.h" -#include "frame.h" -#include "inferior.h" -#include "value.h" -#include -#include -#include -#include "gdb_string.h" -#include "terminal.h" -#include "target.h" -#include "29k-share/udi/udiproc.h" -#include "gdbcmd.h" -#include "bfd.h" -#include "gdbcore.h" /* For download function */ -#include "regcache.h" - -/* access the register store directly, without going through - the normal handler functions. This avoids an extra data copy. */ - -extern int stop_soon_quietly; /* for wait_for_inferior */ -extern struct value *call_function_by_hand (); -static void udi_resume (ptid_t ptid, int step, enum target_signal sig); -static void udi_fetch_registers (int regno); -static void udi_load (char *args, int from_tty); -static void fetch_register (int regno); -static void udi_store_registers (int regno); -static int store_register (int regno); -static int regnum_to_srnum (int regno); -static void udi_close (int quitting); -static CPUSpace udi_memory_space (CORE_ADDR addr); -static int udi_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, - int len); -static int udi_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, - int len); -static void download (char *load_arg_string, int from_tty); -char CoffFileName[100] = ""; - -#define FREEZE_MODE (read_register(CPS_REGNUM) & 0x400) -#define USE_SHADOW_PC ((processor_type == a29k_freeze_mode) && FREEZE_MODE) - -static int timeout = 5; -extern struct target_ops udi_ops; /* Forward declaration */ - -/* Special register enumeration. - */ - -/******************************************************************* UDI DATA*/ -#define MAXDATA 2*1024 /* max UDI[read/write] byte size */ -/* Descriptor for I/O to remote machine. Initialize it to -1 so that - udi_open knows that we don't have a file open when the program - starts. */ - -UDISessionId udi_session_id = -1; -static char *udi_config_id; - -CPUOffset IMemStart = 0; -CPUSizeT IMemSize = 0; -CPUOffset DMemStart = 0; -CPUSizeT DMemSize = 0; -CPUOffset RMemStart = 0; -CPUSizeT RMemSize = 0; -UDIUInt32 CPUPRL; -UDIUInt32 CoProcPRL; - -UDIMemoryRange address_ranges[2]; /* Text and data */ -UDIResource entry = -{0, 0}; /* Entry point */ -CPUSizeT stack_sizes[2]; /* Regular and memory stacks */ - -#define SBUF_MAX 1024 /* maximum size of string handling buffer */ -char sbuf[SBUF_MAX]; - -typedef struct bkpt_entry_str - { - UDIResource Addr; - UDIUInt32 PassCount; - UDIBreakType Type; - unsigned int BreakId; - } -bkpt_entry_t; -#define BKPT_TABLE_SIZE 40 -static bkpt_entry_t bkpt_table[BKPT_TABLE_SIZE]; -extern char dfe_errmsg[]; /* error string */ - -/* malloc'd name of the program on the remote system. */ -static char *prog_name = NULL; - -/* This is called not only when we first attach, but also when the - user types "run" after having attached. */ - -static void -udi_create_inferior (char *execfile, char *args, char **env) -{ - char *args1; - - if (execfile) - { - if (prog_name != NULL) - xfree (prog_name); - prog_name = savestring (execfile, strlen (execfile)); - } - else if (entry.Offset) - execfile = ""; - else - error ("No image loaded into target."); - - if (udi_session_id < 0) - { - /* If the TIP is not open, open it. */ - if (UDIConnect (udi_config_id, &udi_session_id)) - error ("UDIConnect() failed: %s\n", dfe_errmsg); - /* We will need to download the program. */ - entry.Offset = 0; - } - - inferior_ptid = pid_to_ptid (40000); - - if (!entry.Offset) - download (execfile, 0); - - args1 = alloca (strlen (execfile) + strlen (args) + 2); - - if (execfile[0] == '\0') - - /* It is empty. We need to quote it somehow, or else the target - will think there is no argument being passed here. According - to the UDI spec it is quoted "according to TIP OS rules" which - I guess means quoting it like the Unix shell should work - (sounds pretty bogus to me...). In fact it doesn't work (with - isstip anyway), but passing in two quotes as the argument seems - like a reasonable enough behavior anyway (I guess). */ - - strcpy (args1, "''"); - else - strcpy (args1, execfile); - strcat (args1, " "); - strcat (args1, args); - - UDIInitializeProcess (address_ranges, /* ProcessMemory[] */ - (UDIInt) 2, /* NumberOfRanges */ - entry, /* EntryPoint */ - stack_sizes, /* *StackSizes */ - (UDIInt) 2, /* NumberOfStacks */ - args1); /* ArgString */ - - init_wait_for_inferior (); - clear_proceed_status (); - proceed (-1, TARGET_SIGNAL_DEFAULT, 0); -} - -static void -udi_mourn (void) -{ -#if 0 - /* Requiring "target udi" each time you run is a major pain. I suspect - this was just blindy copied from remote.c, in which "target" and - "run" are combined. Having a udi target without an inferior seems - to work between "target udi" and "run", so why not now? */ - pop_target (); /* Pop back to no-child state */ -#endif - /* But if we're going to want to run it again, we better remove the - breakpoints... */ - remove_breakpoints (); - generic_mourn_inferior (); -} - -/******************************************************************** UDI_OPEN -** Open a connection to remote TIP. - NAME is the socket domain used for communication with the TIP, - then a space and the socket name or TIP-host name. - '' for example. - */ - -/* XXX - need cleanups for udiconnect for various failures!!! */ - -static void -udi_open (char *name, int from_tty) -{ - unsigned int prl; - char *p; - int cnt; - UDIMemoryRange KnownMemory[10]; - UDIUInt32 ChipVersions[10]; - UDIInt NumberOfRanges = 10; - UDIInt NumberOfChips = 10; - UDIPId PId; - UDIUInt32 TIPId, TargetId, DFEId, DFE, TIP, DFEIPCId, TIPIPCId; - - target_preopen (from_tty); - - entry.Offset = 0; - - for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) - bkpt_table[cnt].Type = 0; - - if (udi_config_id) - xfree (udi_config_id); - - if (!name) - error ("Usage: target udi config_id, where config_id appears in udi_soc file"); - - udi_config_id = xstrdup (strtok (name, " \t")); - - if (UDIConnect (udi_config_id, &udi_session_id)) - /* FIXME: Should set udi_session_id to -1 here. */ - error ("UDIConnect() failed: %s\n", dfe_errmsg); - - push_target (&udi_ops); - - /* - ** Initialize target configuration structure (global) - */ - if (UDIGetTargetConfig (KnownMemory, &NumberOfRanges, - ChipVersions, &NumberOfChips)) - error ("UDIGetTargetConfig() failed"); - if (NumberOfChips > 2) - fprintf_unfiltered (gdb_stderr, "Target has more than one processor\n"); - for (cnt = 0; cnt < NumberOfRanges; cnt++) - { - switch (KnownMemory[cnt].Space) - { - default: - fprintf_unfiltered (gdb_stderr, "UDIGetTargetConfig() unknown memory space\n"); - break; - case UDI29KCP_S: - break; - case UDI29KIROMSpace: - RMemStart = KnownMemory[cnt].Offset; - RMemSize = KnownMemory[cnt].Size; - break; - case UDI29KIRAMSpace: - IMemStart = KnownMemory[cnt].Offset; - IMemSize = KnownMemory[cnt].Size; - break; - case UDI29KDRAMSpace: - DMemStart = KnownMemory[cnt].Offset; - DMemSize = KnownMemory[cnt].Size; - break; - } - } - - a29k_get_processor_type (); - - if (UDICreateProcess (&PId)) - fprintf_unfiltered (gdb_stderr, "UDICreateProcess() failed\n"); - - /* Print out some stuff, letting the user now what's going on */ - if (UDICapabilities (&TIPId, &TargetId, DFEId, DFE, &TIP, &DFEIPCId, - &TIPIPCId, sbuf)) - error ("UDICapabilities() failed"); - if (from_tty) - { - printf_filtered ("Connected via UDI socket,\n\ - DFE-IPC version %x.%x.%x TIP-IPC version %x.%x.%x TIP version %x.%x.%x\n %s\n", - (DFEIPCId >> 8) & 0xf, (DFEIPCId >> 4) & 0xf, DFEIPCId & 0xf, - (TIPIPCId >> 8) & 0xf, (TIPIPCId >> 4) & 0xf, TIPIPCId & 0xf, - (TargetId >> 8) & 0xf, (TargetId >> 4) & 0xf, TargetId & 0xf, - sbuf); - } -} - -/******************************************************************* UDI_CLOSE - Close the open connection to the TIP process. - Use this when you want to detach and do something else - with your gdb. */ -static void -udi_close ( /*FIXME: how is quitting used */ - int quitting) -{ - if (udi_session_id < 0) - return; - - /* We should never get here if there isn't something valid in - udi_session_id. */ - - if (UDIDisconnect (udi_session_id, UDITerminateSession)) - { - if (quitting) - warning ("UDIDisconnect() failed in udi_close"); - else - error ("UDIDisconnect() failed in udi_close"); - } - - /* Do not try to close udi_session_id again, later in the program. */ - udi_session_id = -1; - inferior_ptid = null_ptid; - - printf_filtered (" Ending remote debugging\n"); -} - -/**************************************************************** UDI_ATACH */ -/* Attach to a program that is already loaded and running - * Upon exiting the process's execution is stopped. - */ -static void -udi_attach (char *args, int from_tty) -{ - UDIResource From; - UDIInt32 PC_adds; - UDICount Count = 1; - UDISizeT Size = 4; - UDICount CountDone; - UDIBool HostEndian = 0; - UDIError err; - - if (args == NULL) - error_no_arg ("program to attach"); - - if (udi_session_id < 0) - error ("UDI connection not opened yet, use the 'target udi' command.\n"); - - if (from_tty) - printf_unfiltered ("Attaching to remote program %s...\n", prog_name); - - UDIStop (); - From.Space = UDI29KSpecialRegs; - From.Offset = 11; - if (err = UDIRead (From, &PC_adds, Count, Size, &CountDone, HostEndian)) - error ("UDIRead failed in udi_attach"); - printf_unfiltered ("Remote process is now halted, pc1 = 0x%x.\n", PC_adds); -} -/************************************************************* UDI_DETACH */ -/* Terminate the open connection to the TIP process. - Use this when you want to detach and do something else - with your gdb. Leave remote process running (with no breakpoints set). */ -static void -udi_detach (char *args, int from_tty) -{ - - remove_breakpoints (); /* Just in case there were any left in */ - - if (UDIDisconnect (udi_session_id, UDIContinueSession)) - error ("UDIDisconnect() failed in udi_detach"); - - /* Don't try to UDIDisconnect it again in udi_close, which is called from - pop_target. */ - udi_session_id = -1; - inferior_ptid = null_ptid; - - pop_target (); - - if (from_tty) - printf_unfiltered ("Detaching from TIP\n"); -} - - -/****************************************************************** UDI_RESUME -** Tell the remote machine to resume. */ - -static void -udi_resume (ptid_t ptid, int step, enum target_signal sig) -{ - UDIError tip_error; - UDIUInt32 Steps = 1; - UDIStepType StepType = UDIStepNatural; - UDIRange Range; - - if (step) /* step 1 instruction */ - { - tip_error = UDIStep (Steps, StepType, Range); - if (!tip_error) - return; - - fprintf_unfiltered (gdb_stderr, "UDIStep() error = %d\n", tip_error); - error ("failed in udi_resume"); - } - - if (UDIExecute ()) - error ("UDIExecute() failed in udi_resume"); -} - -/******************************************************************** UDI_WAIT -** Wait until the remote machine stops, then return, - storing status in STATUS just as `wait' would. */ - -static ptid_t -udi_wait (ptid_t ptid, struct target_waitstatus *status) -{ - UDIInt32 MaxTime; - UDIPId PId; - UDIInt32 StopReason; - UDISizeT CountDone; - int old_timeout = timeout; - int old_immediate_quit = immediate_quit; - int i; - - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - -/* wait for message to arrive. It should be: - If the target stops executing, udi_wait() should return. - */ - timeout = 0; /* Wait indefinetly for a message */ - immediate_quit = 1; /* Helps ability to QUIT */ - - while (1) - { - i = 0; - MaxTime = UDIWaitForever; - UDIWait (MaxTime, &PId, &StopReason); - QUIT; /* Let user quit if they want */ - - switch (StopReason & UDIGrossState) - { - case UDIStdoutReady: - if (UDIGetStdout (sbuf, (UDISizeT) SBUF_MAX, &CountDone)) - /* This is said to happen if the program tries to output - a whole bunch of output (more than SBUF_MAX, I would - guess). It doesn't seem to happen with the simulator. */ - warning ("UDIGetStdout() failed in udi_wait"); - fwrite (sbuf, 1, CountDone, stdout); - gdb_flush (gdb_stdout); - continue; - - case UDIStderrReady: - UDIGetStderr (sbuf, (UDISizeT) SBUF_MAX, &CountDone); - fwrite (sbuf, 1, CountDone, stderr); - gdb_flush (gdb_stderr); - continue; - - case UDIStdinNeeded: - { - int ch; - i = 0; - do - { - ch = getchar (); - if (ch == EOF) - break; - sbuf[i++] = ch; - } - while (i < SBUF_MAX && ch != '\n'); - UDIPutStdin (sbuf, (UDISizeT) i, &CountDone); - continue; - } - - case UDIRunning: - /* In spite of the fact that we told UDIWait to wait forever, it will - return spuriously sometimes. */ - case UDIStdinModeX: - continue; - default: - break; - } - break; - } - - switch (StopReason & UDIGrossState) - { - case UDITrapped: - printf_unfiltered ("Am290*0 received vector number %d\n", StopReason >> 24); - - switch ((StopReason >> 8) & 0xff) - { - case 0: /* Illegal opcode */ - printf_unfiltered (" (break point)\n"); - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - break; - case 1: /* Unaligned Access */ - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_BUS; - break; - case 3: - case 4: - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_FPE; - break; - case 5: /* Protection Violation */ - status->kind = TARGET_WAITKIND_STOPPED; - /* Why not SEGV? What is a Protection Violation? */ - status->value.sig = TARGET_SIGNAL_ILL; - break; - case 6: - case 7: - case 8: /* User Instruction Mapping Miss */ - case 9: /* User Data Mapping Miss */ - case 10: /* Supervisor Instruction Mapping Miss */ - case 11: /* Supervisor Data Mapping Miss */ - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_SEGV; - break; - case 12: - case 13: - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_ILL; - break; - case 14: /* Timer */ - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_ALRM; - break; - case 15: /* Trace */ - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - break; - case 16: /* INTR0 */ - case 17: /* INTR1 */ - case 18: /* INTR2 */ - case 19: /* INTR3/Internal */ - case 20: /* TRAP0 */ - case 21: /* TRAP1 */ - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_INT; - break; - case 22: /* Floating-Point Exception */ - status->kind = TARGET_WAITKIND_STOPPED; - /* Why not FPE? */ - status->value.sig = TARGET_SIGNAL_ILL; - break; - case 77: /* assert 77 */ - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - break; - default: - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - } - break; - case UDINotExecuting: - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TERM; - break; - case UDIStopped: - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TSTP; - break; - case UDIWarned: - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_URG; - break; - case UDIStepped: - case UDIBreak: - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - break; - case UDIWaiting: - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_STOP; - break; - case UDIHalted: - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_KILL; - break; - case UDIExited: - default: - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - } - - timeout = old_timeout; /* Restore original timeout value */ - immediate_quit = old_immediate_quit; - return inferior_ptid; -} - -#if 0 -/* Handy for debugging */ -udi_pc (void) -{ - UDIResource From; - UDIUInt32 *To; - UDICount Count; - UDISizeT Size = 4; - UDICount CountDone; - UDIBool HostEndian = 0; - UDIError err; - int pc[2]; - unsigned long myregs[256]; - int i; - - From.Space = UDI29KPC; - From.Offset = 0; - To = (UDIUInt32 *) pc; - Count = 2; - - err = UDIRead (From, To, Count, Size, &CountDone, HostEndian); - - printf_unfiltered ("err = %d, CountDone = %d, pc[0] = 0x%x, pc[1] = 0x%x\n", - err, CountDone, pc[0], pc[1]); - - udi_fetch_registers (-1); - - printf_unfiltered ("other pc1 = 0x%x, pc0 = 0x%x\n", *(int *) ®isters[4 * PC_REGNUM], - *(int *) ®isters[4 * NPC_REGNUM]); - - /* Now, read all the registers globally */ - - From.Space = UDI29KGlobalRegs; - From.Offset = 0; - err = UDIRead (From, myregs, 256, 4, &CountDone, HostEndian); - - printf ("err = %d, CountDone = %d\n", err, CountDone); - - printf ("\n"); - - for (i = 0; i < 256; i += 2) - printf ("%d:\t%#10x\t%11d\t%#10x\t%11d\n", i, myregs[i], myregs[i], - myregs[i + 1], myregs[i + 1]); - printf ("\n"); - - return pc[0]; -} -#endif - -/********************************************************** UDI_FETCH_REGISTERS - * Read a remote register 'regno'. - * If regno==-1 then read all the registers. - */ -static void -udi_fetch_registers (int regno) -{ - UDIResource From; - UDIUInt32 *To; - UDICount Count; - UDISizeT Size = 4; - UDICount CountDone; - UDIBool HostEndian = 0; - UDIError err; - int i; - - if (regno >= 0) - { - fetch_register (regno); - return; - } - -/* Gr1/rsp */ - - From.Space = UDI29KGlobalRegs; - From.Offset = 1; - To = (UDIUInt32 *) & registers[4 * GR1_REGNUM]; - Count = 1; - if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIRead() failed in udi_fetch_registers"); - - register_valid[GR1_REGNUM] = 1; - -#if defined(GR64_REGNUM) /* Read gr64-127 */ - -/* Global Registers gr64-gr95 */ - - From.Space = UDI29KGlobalRegs; - From.Offset = 64; - To = (UDIUInt32 *) & registers[4 * GR64_REGNUM]; - Count = 32; - if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIRead() failed in udi_fetch_registers"); - - for (i = GR64_REGNUM; i < GR64_REGNUM + 32; i++) - register_valid[i] = 1; - -#endif /* GR64_REGNUM */ - -/* Global Registers gr96-gr127 */ - - From.Space = UDI29KGlobalRegs; - From.Offset = 96; - To = (UDIUInt32 *) & registers[4 * GR96_REGNUM]; - Count = 32; - if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIRead() failed in udi_fetch_registers"); - - for (i = GR96_REGNUM; i < GR96_REGNUM + 32; i++) - register_valid[i] = 1; - -/* Local Registers */ - - From.Space = UDI29KLocalRegs; - From.Offset = 0; - To = (UDIUInt32 *) & registers[4 * LR0_REGNUM]; - Count = 128; - if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIRead() failed in udi_fetch_registers"); - - for (i = LR0_REGNUM; i < LR0_REGNUM + 128; i++) - register_valid[i] = 1; - -/* Protected Special Registers */ - - From.Space = UDI29KSpecialRegs; - From.Offset = 0; - To = (UDIUInt32 *) & registers[4 * SR_REGNUM (0)]; - Count = 15; - if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIRead() failed in udi_fetch_registers"); - - for (i = SR_REGNUM (0); i < SR_REGNUM (0) + 15; i++) - register_valid[i] = 1; - - if (USE_SHADOW_PC) - { /* Let regno_to_srnum() handle the register number */ - fetch_register (NPC_REGNUM); - fetch_register (PC_REGNUM); - fetch_register (PC2_REGNUM); - -/* Unprotected Special Registers sr128-sr135 */ - - From.Space = UDI29KSpecialRegs; - From.Offset = 128; - To = (UDIUInt32 *) & registers[4 * SR_REGNUM (128)]; - Count = 135 - 128 + 1; - if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIRead() failed in udi_fetch_registers"); - - for (i = SR_REGNUM (128); i < SR_REGNUM (128) + 135 - 128 + 1; i++) - register_valid[i] = 1; - } - - if (remote_debug) - { - fprintf_unfiltered (gdb_stdlog, "Fetching all registers\n"); - fprintf_unfiltered (gdb_stdlog, - "Fetching PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", - read_register (NPC_REGNUM), - read_register (PC_REGNUM), - read_register (PC2_REGNUM)); - } - - /* There doesn't seem to be any way to get these. */ - { - int val = -1; - supply_register (FPE_REGNUM, (char *) &val); - supply_register (INTE_REGNUM, (char *) &val); - supply_register (FPS_REGNUM, (char *) &val); - supply_register (EXO_REGNUM, (char *) &val); - } -} - - -/********************************************************* UDI_STORE_REGISTERS -** Store register regno into the target. - * If regno==-1 then store all the registers. - */ - -static void -udi_store_registers (int regno) -{ - UDIUInt32 *From; - UDIResource To; - UDICount Count; - UDISizeT Size = 4; - UDICount CountDone; - UDIBool HostEndian = 0; - - if (regno >= 0) - { - store_register (regno); - return; - } - - if (remote_debug) - { - fprintf_unfiltered (gdb_stdlog, "Storing all registers\n"); - fprintf_unfiltered (gdb_stdlog, - "PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", - read_register (NPC_REGNUM), - read_register (PC_REGNUM), - read_register (PC2_REGNUM)); - } - -/* Gr1/rsp */ - - From = (UDIUInt32 *) & registers[4 * GR1_REGNUM]; - To.Space = UDI29KGlobalRegs; - To.Offset = 1; - Count = 1; - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIWrite() failed in udi_store_regisetrs"); - -#if defined(GR64_REGNUM) - -/* Global registers gr64-gr95 */ - - From = (UDIUInt32 *) & registers[4 * GR64_REGNUM]; - To.Space = UDI29KGlobalRegs; - To.Offset = 64; - Count = 32; - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIWrite() failed in udi_store_regisetrs"); - -#endif /* GR64_REGNUM */ - -/* Global registers gr96-gr127 */ - - From = (UDIUInt32 *) & registers[4 * GR96_REGNUM]; - To.Space = UDI29KGlobalRegs; - To.Offset = 96; - Count = 32; - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIWrite() failed in udi_store_regisetrs"); - -/* Local Registers */ - - From = (UDIUInt32 *) & registers[4 * LR0_REGNUM]; - To.Space = UDI29KLocalRegs; - To.Offset = 0; - Count = 128; - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIWrite() failed in udi_store_regisetrs"); - - - /* Protected Special Registers *//* VAB through TMR */ - - From = (UDIUInt32 *) & registers[4 * SR_REGNUM (0)]; - To.Space = UDI29KSpecialRegs; - To.Offset = 0; - Count = 10; - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIWrite() failed in udi_store_regisetrs"); - -/* PC0, PC1, PC2 possibly as shadow registers */ - - From = (UDIUInt32 *) & registers[4 * SR_REGNUM (10)]; - To.Space = UDI29KSpecialRegs; - Count = 3; - if (USE_SHADOW_PC) - To.Offset = 20; /* SPC0 */ - else - To.Offset = 10; /* PC0 */ - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIWrite() failed in udi_store_regisetrs"); - -/* PC1 via UDI29KPC */ - - From = (UDIUInt32 *) & registers[4 * PC_REGNUM]; - To.Space = UDI29KPC; - To.Offset = 0; /* PC1 */ - Count = 1; - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIWrite() failed in udi_store_regisetrs"); - - /* LRU and MMU */ - - From = (UDIUInt32 *) & registers[4 * SR_REGNUM (13)]; - To.Space = UDI29KSpecialRegs; - To.Offset = 13; - Count = 2; - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIWrite() failed in udi_store_regisetrs"); - -/* Unprotected Special Registers */ - - From = (UDIUInt32 *) & registers[4 * SR_REGNUM (128)]; - To.Space = UDI29KSpecialRegs; - To.Offset = 128; - Count = 135 - 128 + 1; - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - error ("UDIWrite() failed in udi_store_regisetrs"); - - registers_changed (); -} - -/****************************************************** UDI_PREPARE_TO_STORE */ -/* Get ready to modify the registers array. On machines which store - individual registers, this doesn't need to do anything. On machines - which store all the registers in one fell swoop, this makes sure - that registers contains all the registers from the program being - debugged. */ - -static void -udi_prepare_to_store (void) -{ - /* Do nothing, since we can store individual regs */ -} - -/********************************************************** TRANSLATE_ADDR */ -static CORE_ADDR -translate_addr (CORE_ADDR addr) -{ -#if defined(ULTRA3) && defined(KERNEL_DEBUGGING) - /* Check for a virtual address in the kernel */ - /* Assume physical address of ublock is in paddr_u register */ - /* FIXME: doesn't work for user virtual addresses */ - if (addr >= UVADDR) - { - /* PADDR_U register holds the physical address of the ublock */ - CORE_ADDR i = (CORE_ADDR) read_register (PADDR_U_REGNUM); - return (i + addr - (CORE_ADDR) UVADDR); - } - else - { - return (addr); - } -#else - return (addr); -#endif -} -/************************************************* UDI_XFER_INFERIOR_MEMORY */ -/* FIXME! Merge these two. */ -static int -udi_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, - struct mem_attrib *attrib ATTRIBUTE_UNUSED, - struct target_ops *target ATTRIBUTE_UNUSED) -{ - - memaddr = translate_addr (memaddr); - - if (write) - return udi_write_inferior_memory (memaddr, myaddr, len); - else - return udi_read_inferior_memory (memaddr, myaddr, len); -} - -/********************************************************** UDI_FILES_INFO */ -static void -udi_files_info (struct target_ops *target) -{ - printf_unfiltered ("\tAttached to UDI socket to %s", udi_config_id); - if (prog_name != NULL) - printf_unfiltered ("and running program %s", prog_name); - printf_unfiltered (".\n"); -} - -/**************************************************** UDI_INSERT_BREAKPOINT */ -static int -udi_insert_breakpoint (CORE_ADDR addr, char *contents_cache) -{ - int cnt; - UDIError err; - - for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) - if (bkpt_table[cnt].Type == 0) /* Find first free slot */ - break; - - if (cnt >= BKPT_TABLE_SIZE) - error ("Too many breakpoints set"); - - bkpt_table[cnt].Addr.Offset = addr; - bkpt_table[cnt].Addr.Space = UDI29KIRAMSpace; - bkpt_table[cnt].PassCount = 1; - bkpt_table[cnt].Type = UDIBreakFlagExecute; - - err = UDISetBreakpoint (bkpt_table[cnt].Addr, - bkpt_table[cnt].PassCount, - bkpt_table[cnt].Type, - &bkpt_table[cnt].BreakId); - - if (err == 0) - return 0; /* Success */ - - bkpt_table[cnt].Type = 0; - error ("UDISetBreakpoint returned error code %d\n", err); -} - -/**************************************************** UDI_REMOVE_BREAKPOINT */ -static int -udi_remove_breakpoint (CORE_ADDR addr, char *contents_cache) -{ - int cnt; - UDIError err; - - for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) - if (bkpt_table[cnt].Addr.Offset == addr) /* Find matching breakpoint */ - break; - - if (cnt >= BKPT_TABLE_SIZE) - error ("Can't find breakpoint in table"); - - bkpt_table[cnt].Type = 0; - - err = UDIClearBreakpoint (bkpt_table[cnt].BreakId); - if (err == 0) - return 0; /* Success */ - - error ("UDIClearBreakpoint returned error code %d\n", err); -} - -static void -udi_kill (void) -{ - -#if 0 -/* - UDIStop does not really work as advertised. It causes the TIP to close it's - connection, which usually results in GDB dying with a SIGPIPE. For now, we - just invoke udi_close, which seems to get things right. - */ - UDIStop (); - - udi_session_id = -1; - inferior_ptid = null_ptid; - - if (from_tty) - printf_unfiltered ("Target has been stopped."); -#endif /* 0 */ -#if 0 - udi_close (0); - pop_target (); -#endif /* 0 */ - - /* Keep the target around, e.g. so "run" can do the right thing when - we are already debugging something. */ - - if (UDIDisconnect (udi_session_id, UDITerminateSession)) - { - warning ("UDIDisconnect() failed"); - } - - /* Do not try to close udi_session_id again, later in the program. */ - udi_session_id = -1; - inferior_ptid = null_ptid; -} - -/* - Load a program into the target. Args are: `program {options}'. The options - are used to control loading of the program, and are NOT passed onto the - loaded code as arguments. (You need to use the `run' command to do that.) - - The options are: - -ms %d Set mem stack size to %d - -rs %d Set regular stack size to %d - -i send init info (default) - -noi don't send init info - -[tT] Load Text section - -[dD] Load Data section - -[bB] Load BSS section - -[lL] Load Lit section - */ - -static void -download (char *load_arg_string, int from_tty) -{ -#define DEFAULT_MEM_STACK_SIZE 0x6000 -#define DEFAULT_REG_STACK_SIZE 0x2000 - - char *token; - char *filename; - asection *section; - bfd *pbfd; - UDIError err; - int load_text = 1, load_data = 1, load_bss = 1, load_lit = 1; - - address_ranges[0].Space = UDI29KIRAMSpace; - address_ranges[0].Offset = 0xffffffff; - address_ranges[0].Size = 0; - - address_ranges[1].Space = UDI29KDRAMSpace; - address_ranges[1].Offset = 0xffffffff; - address_ranges[1].Size = 0; - - stack_sizes[0] = DEFAULT_REG_STACK_SIZE; - stack_sizes[1] = DEFAULT_MEM_STACK_SIZE; - - dont_repeat (); - - filename = strtok (load_arg_string, " \t"); - if (!filename) - error ("Must specify at least a file name with the load command"); - - filename = tilde_expand (filename); - make_cleanup (xfree, filename); - - while (token = strtok (NULL, " \t")) - { - if (token[0] == '-') - { - token++; - - if (STREQ (token, "ms")) - stack_sizes[1] = atol (strtok (NULL, " \t")); - else if (STREQ (token, "rs")) - stack_sizes[0] = atol (strtok (NULL, " \t")); - else - { - load_text = load_data = load_bss = load_lit = 0; - - while (*token) - { - switch (*token++) - { - case 't': - case 'T': - load_text = 1; - break; - case 'd': - case 'D': - load_data = 1; - break; - case 'b': - case 'B': - load_bss = 1; - break; - case 'l': - case 'L': - load_lit = 1; - break; - default: - error ("Unknown UDI load option -%s", token - 1); - } - } - } - } - } - - pbfd = bfd_openr (filename, gnutarget); - - if (!pbfd) - /* FIXME: should be using bfd_errmsg, not assuming it was - bfd_error_system_call. */ - perror_with_name (filename); - - /* FIXME: should be checking for errors from bfd_close (for one thing, - on error it does not free all the storage associated with the - bfd). */ - make_cleanup_bfd_close (pbfd); - - QUIT; - immediate_quit++; - - if (!bfd_check_format (pbfd, bfd_object)) - error ("It doesn't seem to be an object file"); - - for (section = pbfd->sections; section; section = section->next) - { - if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC) - { - UDIResource To; - UDICount Count; - unsigned long section_size, section_end; - const char *section_name; - - section_name = bfd_get_section_name (pbfd, section); - if (STREQ (section_name, ".text") && !load_text) - continue; - else if (STREQ (section_name, ".data") && !load_data) - continue; - else if (STREQ (section_name, ".bss") && !load_bss) - continue; - else if (STREQ (section_name, ".lit") && !load_lit) - continue; - - To.Offset = bfd_get_section_vma (pbfd, section); - section_size = bfd_section_size (pbfd, section); - section_end = To.Offset + section_size; - - if (section_size == 0) - /* This is needed at least in the BSS case, where the code - below starts writing before it even checks the size. */ - continue; - - printf_unfiltered ("[Loading section %s at %x (%d bytes)]\n", - section_name, - To.Offset, - section_size); - - if (bfd_get_section_flags (pbfd, section) & SEC_CODE) - { - To.Space = UDI29KIRAMSpace; - - address_ranges[0].Offset = min (address_ranges[0].Offset, - To.Offset); - address_ranges[0].Size = max (address_ranges[0].Size, - section_end - - address_ranges[0].Offset); - } - else - { - To.Space = UDI29KDRAMSpace; - - address_ranges[1].Offset = min (address_ranges[1].Offset, - To.Offset); - address_ranges[1].Size = max (address_ranges[1].Size, - section_end - - address_ranges[1].Offset); - } - - if (bfd_get_section_flags (pbfd, section) & SEC_LOAD) /* Text, data or lit */ - { - file_ptr fptr; - - fptr = 0; - - while (section_size > 0) - { - char buffer[1024]; - - Count = min (section_size, 1024); - - bfd_get_section_contents (pbfd, section, buffer, fptr, - Count); - - err = UDIWrite ((UDIHostMemPtr) buffer, /* From */ - To, /* To */ - Count, /* Count */ - (UDISizeT) 1, /* Size */ - &Count, /* CountDone */ - (UDIBool) 0); /* HostEndian */ - if (err) - error ("UDIWrite failed, error = %d", err); - - To.Offset += Count; - fptr += Count; - section_size -= Count; - } - } - else - /* BSS */ - { - UDIResource From; - unsigned long zero = 0; - - /* Write a zero byte at the vma */ - /* FIXME: Broken for sections of 1-3 bytes (we test for - zero above). */ - err = UDIWrite ((UDIHostMemPtr) & zero, /* From */ - To, /* To */ - (UDICount) 1, /* Count */ - (UDISizeT) 4, /* Size */ - &Count, /* CountDone */ - (UDIBool) 0); /* HostEndian */ - if (err) - error ("UDIWrite failed, error = %d", err); - - From = To; - To.Offset += 4; - - /* Now, duplicate it for the length of the BSS */ - err = UDICopy (From, /* From */ - To, /* To */ - (UDICount) (section_size / 4 - 1), /* Count */ - (UDISizeT) 4, /* Size */ - &Count, /* CountDone */ - (UDIBool) 1); /* Direction */ - if (err) - { - char message[100]; - int xerr; - - xerr = UDIGetErrorMsg (err, 100, message, &Count); - if (!xerr) - fprintf_unfiltered (gdb_stderr, "Error is %s\n", message); - else - fprintf_unfiltered (gdb_stderr, "xerr is %d\n", xerr); - error ("UDICopy failed, error = %d", err); - } - } - - } - } - - entry.Space = UDI29KIRAMSpace; - entry.Offset = bfd_get_start_address (pbfd); - - immediate_quit--; -} - -/* Function to download an image into the remote target. */ - -static void -udi_load (char *args, int from_tty) -{ - download (args, from_tty); - - /* As a convenience, pick up any symbol info that is in the program - being loaded. Note that we assume that the program is the``mainline''; - if this is not always true, then this code will need to be augmented. */ - symbol_file_add (strtok (args, " \t"), from_tty, NULL, 1, 0); - - /* Getting new symbols may change our opinion about what is - frameless. */ - reinit_frame_cache (); -} - -/*************************************************** UDI_WRITE_INFERIOR_MEMORY -** Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. Returns number of bytes written. */ -static int -udi_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) -{ - int nwritten = 0; - UDIUInt32 *From; - UDIResource To; - UDICount Count; - UDISizeT Size = 1; - UDICount CountDone = 0; - UDIBool HostEndian = 0; - - To.Space = udi_memory_space (memaddr); - From = (UDIUInt32 *) myaddr; - - while (nwritten < len) - { - Count = len - nwritten; - if (Count > MAXDATA) - Count = MAXDATA; - To.Offset = memaddr + nwritten; - if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) - { - error ("UDIWrite() failed in udi_write_inferior_memory"); - break; - } - else - { - nwritten += CountDone; - From += CountDone; - } - } - return (nwritten); -} - -/**************************************************** UDI_READ_INFERIOR_MEMORY -** Read LEN bytes from inferior memory at MEMADDR. Put the result - at debugger address MYADDR. Returns number of bytes read. */ -static int -udi_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) -{ - int nread = 0; - UDIResource From; - UDIUInt32 *To; - UDICount Count; - UDISizeT Size = 1; - UDICount CountDone = 0; - UDIBool HostEndian = 0; - UDIError err; - - From.Space = udi_memory_space (memaddr); - To = (UDIUInt32 *) myaddr; - - while (nread < len) - { - Count = len - nread; - if (Count > MAXDATA) - Count = MAXDATA; - From.Offset = memaddr + nread; - if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) - { - error ("UDIRead() failed in udi_read_inferior_memory"); - break; - } - else - { - nread += CountDone; - To += CountDone; - } - } - return (nread); -} - -/********************************************************************* WARNING -*/ -udi_warning (int num) -{ - error ("ERROR while loading program into remote TIP: $d\n", num); -} - - -/*****************************************************************************/ -/* Fetch a single register indicatated by 'regno'. - * Returns 0/-1 on success/failure. - */ -static void -fetch_register (int regno) -{ - UDIResource From; - UDIUInt32 To; - UDICount Count = 1; - UDISizeT Size = 4; - UDICount CountDone; - UDIBool HostEndian = 0; - UDIError err; - int result; - - if (regno == GR1_REGNUM) - { - From.Space = UDI29KGlobalRegs; - From.Offset = 1; - } - else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) - { - From.Space = UDI29KGlobalRegs; - From.Offset = (regno - GR96_REGNUM) + 96;; - } - -#if defined(GR64_REGNUM) - - else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) - { - From.Space = UDI29KGlobalRegs; - From.Offset = (regno - GR64_REGNUM) + 64; - } - -#endif /* GR64_REGNUM */ - - else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) - { - From.Space = UDI29KLocalRegs; - From.Offset = (regno - LR0_REGNUM); - } - else if (regno >= FPE_REGNUM && regno <= EXO_REGNUM) - { - int val = -1; - /*supply_register(160 + (regno - FPE_REGNUM),(char *) &val); */ - supply_register (regno, (char *) &val); - return; /* Pretend Success */ - } - else - { - From.Space = UDI29KSpecialRegs; - From.Offset = regnum_to_srnum (regno); - } - - if (err = UDIRead (From, &To, Count, Size, &CountDone, HostEndian)) - error ("UDIRead() failed in udi_fetch_registers"); - - supply_register (regno, (char *) &To); - - if (remote_debug) - fprintf_unfiltered (gdb_stdlog, "Fetching register %s = 0x%x\n", - REGISTER_NAME (regno), To); -} -/*****************************************************************************/ -/* Store a single register indicated by 'regno'. - * Returns 0/-1 on success/failure. - */ -static int -store_register (int regno) -{ - int result; - UDIUInt32 From; - UDIResource To; - UDICount Count = 1; - UDISizeT Size = 4; - UDICount CountDone; - UDIBool HostEndian = 0; - - From = read_register (regno); /* get data value */ - - if (remote_debug) - fprintf_unfiltered (gdb_stdlog, "Storing register %s = 0x%x\n", - REGISTER_NAME (regno), From); - - if (regno == GR1_REGNUM) - { - To.Space = UDI29KGlobalRegs; - To.Offset = 1; - result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); - /* Setting GR1 changes the numbers of all the locals, so invalidate the - * register cache. Do this *after* calling read_register, because we want - * read_register to return the value that write_register has just stuffed - * into the registers array, not the value of the register fetched from - * the inferior. - */ - registers_changed (); - } -#if defined(GR64_REGNUM) - else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) - { - To.Space = UDI29KGlobalRegs; - To.Offset = (regno - GR64_REGNUM) + 64; - result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); - } -#endif /* GR64_REGNUM */ - else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) - { - To.Space = UDI29KGlobalRegs; - To.Offset = (regno - GR96_REGNUM) + 96; - result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); - } - else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) - { - To.Space = UDI29KLocalRegs; - To.Offset = (regno - LR0_REGNUM); - result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); - } - else if (regno >= FPE_REGNUM && regno <= EXO_REGNUM) - return 0; /* Pretend Success */ - else if (regno == PC_REGNUM) - { - /* PC1 via UDI29KPC */ - - To.Space = UDI29KPC; - To.Offset = 0; /* PC1 */ - result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); - - /* Writing to this loc actually changes the values of pc0 & pc1 */ - - register_valid[PC_REGNUM] = 0; /* pc1 */ - register_valid[NPC_REGNUM] = 0; /* pc0 */ - } - else - /* An unprotected or protected special register */ - { - To.Space = UDI29KSpecialRegs; - To.Offset = regnum_to_srnum (regno); - result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); - } - - if (result != 0) - error ("UDIWrite() failed in store_registers"); - - return 0; -} -/********************************************************** REGNUM_TO_SRNUM */ -/* - * Convert a gdb special register number to a 29000 special register number. - */ -static int -regnum_to_srnum (int regno) -{ - switch (regno) - { - case VAB_REGNUM: - return (0); - case OPS_REGNUM: - return (1); - case CPS_REGNUM: - return (2); - case CFG_REGNUM: - return (3); - case CHA_REGNUM: - return (4); - case CHD_REGNUM: - return (5); - case CHC_REGNUM: - return (6); - case RBP_REGNUM: - return (7); - case TMC_REGNUM: - return (8); - case TMR_REGNUM: - return (9); - case NPC_REGNUM: - return (USE_SHADOW_PC ? (20) : (10)); - case PC_REGNUM: - return (USE_SHADOW_PC ? (21) : (11)); - case PC2_REGNUM: - return (USE_SHADOW_PC ? (22) : (12)); - case MMU_REGNUM: - return (13); - case LRU_REGNUM: - return (14); - case IPC_REGNUM: - return (128); - case IPA_REGNUM: - return (129); - case IPB_REGNUM: - return (130); - case Q_REGNUM: - return (131); - case ALU_REGNUM: - return (132); - case BP_REGNUM: - return (133); - case FC_REGNUM: - return (134); - case CR_REGNUM: - return (135); - case FPE_REGNUM: - return (160); - case INTE_REGNUM: - return (161); - case FPS_REGNUM: - return (162); - case EXO_REGNUM: - return (164); - default: - return (255); /* Failure ? */ - } -} -/****************************************************************************/ -/* - * Determine the Target memory space qualifier based on the addr. - * FIXME: Can't distinguis I_ROM/D_ROM. - * FIXME: Doesn't know anything about I_CACHE/D_CACHE. - */ -static CPUSpace -udi_memory_space (CORE_ADDR addr) -{ - UDIUInt32 tstart = IMemStart; - UDIUInt32 tend = tstart + IMemSize; - UDIUInt32 dstart = DMemStart; - UDIUInt32 dend = tstart + DMemSize; - UDIUInt32 rstart = RMemStart; - UDIUInt32 rend = tstart + RMemSize; - - if (((UDIUInt32) addr >= tstart) && ((UDIUInt32) addr < tend)) - { - return UDI29KIRAMSpace; - } - else if (((UDIUInt32) addr >= dstart) && ((UDIUInt32) addr < dend)) - { - return UDI29KDRAMSpace; - } - else if (((UDIUInt32) addr >= rstart) && ((UDIUInt32) addr < rend)) - { - /* FIXME: how do we determine between D_ROM and I_ROM */ - return UDI29KIROMSpace; - } - else /* FIXME: what do me do now? */ - return UDI29KDRAMSpace; /* Hmmm! */ -} -/*********************************************************************** STUBS -*/ - -void -convert16 (void) -{; -} -void -convert32 (void) -{; -} -struct ui_file *EchoFile = 0; /* used for debugging */ -int QuietMode = 0; /* used for debugging */ - -#ifdef NO_HIF_SUPPORT -service_HIF (union msg_t *msg) -{ - return (0); /* Emulate a failure */ -} -#endif - -/* Target_ops vector. Not static because there does not seem to be - any portable way to do a forward declaration of a static variable. - The RS/6000 doesn't like "extern" followed by "static"; SunOS - /bin/cc doesn't like "static" twice. */ - -struct target_ops udi_ops; - -static void -init_udi_ops (void) -{ - udi_ops.to_shortname = "udi"; - udi_ops.to_longname = "Remote UDI connected TIP"; - udi_ops.to_doc = "Remote debug an AMD 29k using UDI socket connection to TIP process.\n\ -Arguments are\n\ -`configuration-id AF_INET hostname port-number'\n\ -To connect via the network, where hostname and port-number specify the\n\ -host and port where you can connect via UDI.\n\ -configuration-id is unused.\n\ -\n\ -`configuration-id AF_UNIX socket-name tip-program'\n\ -To connect using a local connection to the \"tip.exe\" program which is\n\ - supplied by AMD. If socket-name specifies an AF_UNIX socket then the\n\ - tip program must already be started; connect to it using that socket.\n\ - If not, start up tip-program, which should be the name of the tip\n\ - program. If appropriate, the PATH environment variable is searched.\n\ - configuration-id is unused.\n\ -\n\ -`configuration-id'\n\ - Look up the configuration in ./udi_soc or /etc/udi_soc, which\n\ - are files containing lines in the above formats. configuration-id is\n\ - used to pick which line of the file to use."; - udi_ops.to_open = udi_open; - udi_ops.to_close = udi_close; - udi_ops.to_attach = udi_attach; - udi_ops.to_detach = udi_detach; - udi_ops.to_resume = udi_resume; - udi_ops.to_wait = udi_wait; - udi_ops.to_fetch_registers = udi_fetch_registers; - udi_ops.to_store_registers = udi_store_registers; - udi_ops.to_prepare_to_store = udi_prepare_to_store; - udi_ops.to_xfer_memory = udi_xfer_inferior_memory; - udi_ops.to_files_info = udi_files_info; - udi_ops.to_insert_breakpoint = udi_insert_breakpoint; - udi_ops.to_remove_breakpoint = udi_remove_breakpoint; - udi_ops.to_terminal_init = 0; - udi_ops.to_terminal_inferior = 0; - udi_ops.to_terminal_ours_for_output = 0; - udi_ops.to_terminal_ours = 0; - udi_ops.to_terminal_info = 0; - udi_ops.to_kill = udi_kill; - udi_ops.to_load = udi_load; - udi_ops.to_lookup_symbol = 0; - udi_ops.to_create_inferior = udi_create_inferior; - udi_ops.to_mourn_inferior = udi_mourn; - udi_ops.to_can_run = 0; - udi_ops.to_notice_signals = 0; - udi_ops.to_thread_alive = 0; - udi_ops.to_stop = 0; - udi_ops.to_stratum = process_stratum; - udi_ops.DONT_USE = 0; - udi_ops.to_has_all_memory = 1; - udi_ops.to_has_memory = 1; - udi_ops.to_has_stack = 1; - udi_ops.to_has_registers = 1; - udi_ops.to_has_execution = 1; - udi_ops.to_sections = 0; - udi_ops.to_sections_end = 0; - udi_ops.to_magic = OPS_MAGIC; -}; - -void -_initialize_remote_udi (void) -{ - init_udi_ops (); - add_target (&udi_ops); -} +/* OBSOLETE /* Remote debugging interface for AMD 29k interfaced via UDI, for GDB. */ +/* OBSOLETE Copyright 1990, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001 */ +/* OBSOLETE Free Software Foundation, Inc. */ +/* OBSOLETE Written by Daniel Mann. Contributed by AMD. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ +/* OBSOLETE Boston, MA 02111-1307, USA. */ */ +/* OBSOLETE */ +/* OBSOLETE /* This is like remote.c but uses the Universal Debug Interface (UDI) to */ +/* OBSOLETE talk to the target hardware (or simulator). UDI is a TCP/IP based */ +/* OBSOLETE protocol; for hardware that doesn't run TCP, an interface adapter */ +/* OBSOLETE daemon talks UDI on one side, and talks to the hardware (typically */ +/* OBSOLETE over a serial port) on the other side. */ +/* OBSOLETE */ +/* OBSOLETE - Originally written by Daniel Mann at AMD for MiniMON and gdb 3.91.6. */ +/* OBSOLETE - David Wood (wood@lab.ultra.nyu.edu) at New York University adapted this */ +/* OBSOLETE file to gdb 3.95. I was unable to get this working on sun3os4 */ +/* OBSOLETE with termio, only with sgtty. */ +/* OBSOLETE - Daniel Mann at AMD took the 3.95 adaptions above and replaced */ +/* OBSOLETE MiniMON interface with UDI-p interface. */ */ +/* OBSOLETE */ +/* OBSOLETE #include "defs.h" */ +/* OBSOLETE #include "frame.h" */ +/* OBSOLETE #include "inferior.h" */ +/* OBSOLETE #include "value.h" */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include "gdb_string.h" */ +/* OBSOLETE #include "terminal.h" */ +/* OBSOLETE #include "target.h" */ +/* OBSOLETE #include "29k-share/udi/udiproc.h" */ +/* OBSOLETE #include "gdbcmd.h" */ +/* OBSOLETE #include "bfd.h" */ +/* OBSOLETE #include "gdbcore.h" /* For download function */ */ +/* OBSOLETE #include "regcache.h" */ +/* OBSOLETE */ +/* OBSOLETE /* access the register store directly, without going through */ +/* OBSOLETE the normal handler functions. This avoids an extra data copy. */ */ +/* OBSOLETE */ +/* OBSOLETE extern int stop_soon_quietly; /* for wait_for_inferior */ */ +/* OBSOLETE extern struct value *call_function_by_hand (); */ +/* OBSOLETE static void udi_resume (ptid_t ptid, int step, enum target_signal sig); */ +/* OBSOLETE static void udi_fetch_registers (int regno); */ +/* OBSOLETE static void udi_load (char *args, int from_tty); */ +/* OBSOLETE static void fetch_register (int regno); */ +/* OBSOLETE static void udi_store_registers (int regno); */ +/* OBSOLETE static int store_register (int regno); */ +/* OBSOLETE static int regnum_to_srnum (int regno); */ +/* OBSOLETE static void udi_close (int quitting); */ +/* OBSOLETE static CPUSpace udi_memory_space (CORE_ADDR addr); */ +/* OBSOLETE static int udi_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, */ +/* OBSOLETE int len); */ +/* OBSOLETE static int udi_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, */ +/* OBSOLETE int len); */ +/* OBSOLETE static void download (char *load_arg_string, int from_tty); */ +/* OBSOLETE char CoffFileName[100] = ""; */ +/* OBSOLETE */ +/* OBSOLETE #define FREEZE_MODE (read_register(CPS_REGNUM) & 0x400) */ +/* OBSOLETE #define USE_SHADOW_PC ((processor_type == a29k_freeze_mode) && FREEZE_MODE) */ +/* OBSOLETE */ +/* OBSOLETE static int timeout = 5; */ +/* OBSOLETE extern struct target_ops udi_ops; /* Forward declaration */ */ +/* OBSOLETE */ +/* OBSOLETE /* Special register enumeration. */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE /******************************************************************* UDI DATA*/ */ +/* OBSOLETE #define MAXDATA 2*1024 /* max UDI[read/write] byte size */ */ +/* OBSOLETE /* Descriptor for I/O to remote machine. Initialize it to -1 so that */ +/* OBSOLETE udi_open knows that we don't have a file open when the program */ +/* OBSOLETE starts. */ */ +/* OBSOLETE */ +/* OBSOLETE UDISessionId udi_session_id = -1; */ +/* OBSOLETE static char *udi_config_id; */ +/* OBSOLETE */ +/* OBSOLETE CPUOffset IMemStart = 0; */ +/* OBSOLETE CPUSizeT IMemSize = 0; */ +/* OBSOLETE CPUOffset DMemStart = 0; */ +/* OBSOLETE CPUSizeT DMemSize = 0; */ +/* OBSOLETE CPUOffset RMemStart = 0; */ +/* OBSOLETE CPUSizeT RMemSize = 0; */ +/* OBSOLETE UDIUInt32 CPUPRL; */ +/* OBSOLETE UDIUInt32 CoProcPRL; */ +/* OBSOLETE */ +/* OBSOLETE UDIMemoryRange address_ranges[2]; /* Text and data */ */ +/* OBSOLETE UDIResource entry = */ +/* OBSOLETE {0, 0}; /* Entry point */ */ +/* OBSOLETE CPUSizeT stack_sizes[2]; /* Regular and memory stacks */ */ +/* OBSOLETE */ +/* OBSOLETE #define SBUF_MAX 1024 /* maximum size of string handling buffer */ */ +/* OBSOLETE char sbuf[SBUF_MAX]; */ +/* OBSOLETE */ +/* OBSOLETE typedef struct bkpt_entry_str */ +/* OBSOLETE { */ +/* OBSOLETE UDIResource Addr; */ +/* OBSOLETE UDIUInt32 PassCount; */ +/* OBSOLETE UDIBreakType Type; */ +/* OBSOLETE unsigned int BreakId; */ +/* OBSOLETE } */ +/* OBSOLETE bkpt_entry_t; */ +/* OBSOLETE #define BKPT_TABLE_SIZE 40 */ +/* OBSOLETE static bkpt_entry_t bkpt_table[BKPT_TABLE_SIZE]; */ +/* OBSOLETE extern char dfe_errmsg[]; /* error string */ */ +/* OBSOLETE */ +/* OBSOLETE /* malloc'd name of the program on the remote system. */ */ +/* OBSOLETE static char *prog_name = NULL; */ +/* OBSOLETE */ +/* OBSOLETE /* This is called not only when we first attach, but also when the */ +/* OBSOLETE user types "run" after having attached. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE udi_create_inferior (char *execfile, char *args, char **env) */ +/* OBSOLETE { */ +/* OBSOLETE char *args1; */ +/* OBSOLETE */ +/* OBSOLETE if (execfile) */ +/* OBSOLETE { */ +/* OBSOLETE if (prog_name != NULL) */ +/* OBSOLETE xfree (prog_name); */ +/* OBSOLETE prog_name = savestring (execfile, strlen (execfile)); */ +/* OBSOLETE } */ +/* OBSOLETE else if (entry.Offset) */ +/* OBSOLETE execfile = ""; */ +/* OBSOLETE else */ +/* OBSOLETE error ("No image loaded into target."); */ +/* OBSOLETE */ +/* OBSOLETE if (udi_session_id < 0) */ +/* OBSOLETE { */ +/* OBSOLETE /* If the TIP is not open, open it. */ */ +/* OBSOLETE if (UDIConnect (udi_config_id, &udi_session_id)) */ +/* OBSOLETE error ("UDIConnect() failed: %s\n", dfe_errmsg); */ +/* OBSOLETE /* We will need to download the program. */ */ +/* OBSOLETE entry.Offset = 0; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE inferior_ptid = pid_to_ptid (40000); */ +/* OBSOLETE */ +/* OBSOLETE if (!entry.Offset) */ +/* OBSOLETE download (execfile, 0); */ +/* OBSOLETE */ +/* OBSOLETE args1 = alloca (strlen (execfile) + strlen (args) + 2); */ +/* OBSOLETE */ +/* OBSOLETE if (execfile[0] == '\0') */ +/* OBSOLETE */ +/* OBSOLETE /* It is empty. We need to quote it somehow, or else the target */ +/* OBSOLETE will think there is no argument being passed here. According */ +/* OBSOLETE to the UDI spec it is quoted "according to TIP OS rules" which */ +/* OBSOLETE I guess means quoting it like the Unix shell should work */ +/* OBSOLETE (sounds pretty bogus to me...). In fact it doesn't work (with */ +/* OBSOLETE isstip anyway), but passing in two quotes as the argument seems */ +/* OBSOLETE like a reasonable enough behavior anyway (I guess). */ */ +/* OBSOLETE */ +/* OBSOLETE strcpy (args1, "''"); */ +/* OBSOLETE else */ +/* OBSOLETE strcpy (args1, execfile); */ +/* OBSOLETE strcat (args1, " "); */ +/* OBSOLETE strcat (args1, args); */ +/* OBSOLETE */ +/* OBSOLETE UDIInitializeProcess (address_ranges, /* ProcessMemory[] */ */ +/* OBSOLETE (UDIInt) 2, /* NumberOfRanges */ */ +/* OBSOLETE entry, /* EntryPoint */ */ +/* OBSOLETE stack_sizes, /* *StackSizes */ */ +/* OBSOLETE (UDIInt) 2, /* NumberOfStacks */ */ +/* OBSOLETE args1); /* ArgString */ */ +/* OBSOLETE */ +/* OBSOLETE init_wait_for_inferior (); */ +/* OBSOLETE clear_proceed_status (); */ +/* OBSOLETE proceed (-1, TARGET_SIGNAL_DEFAULT, 0); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE udi_mourn (void) */ +/* OBSOLETE { */ +/* OBSOLETE #if 0 */ +/* OBSOLETE /* Requiring "target udi" each time you run is a major pain. I suspect */ +/* OBSOLETE this was just blindy copied from remote.c, in which "target" and */ +/* OBSOLETE "run" are combined. Having a udi target without an inferior seems */ +/* OBSOLETE to work between "target udi" and "run", so why not now? */ */ +/* OBSOLETE pop_target (); /* Pop back to no-child state */ */ +/* OBSOLETE #endif */ +/* OBSOLETE /* But if we're going to want to run it again, we better remove the */ +/* OBSOLETE breakpoints... */ */ +/* OBSOLETE remove_breakpoints (); */ +/* OBSOLETE generic_mourn_inferior (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /******************************************************************** UDI_OPEN */ +/* OBSOLETE ** Open a connection to remote TIP. */ +/* OBSOLETE NAME is the socket domain used for communication with the TIP, */ +/* OBSOLETE then a space and the socket name or TIP-host name. */ +/* OBSOLETE '' for example. */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE /* XXX - need cleanups for udiconnect for various failures!!! */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE udi_open (char *name, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE unsigned int prl; */ +/* OBSOLETE char *p; */ +/* OBSOLETE int cnt; */ +/* OBSOLETE UDIMemoryRange KnownMemory[10]; */ +/* OBSOLETE UDIUInt32 ChipVersions[10]; */ +/* OBSOLETE UDIInt NumberOfRanges = 10; */ +/* OBSOLETE UDIInt NumberOfChips = 10; */ +/* OBSOLETE UDIPId PId; */ +/* OBSOLETE UDIUInt32 TIPId, TargetId, DFEId, DFE, TIP, DFEIPCId, TIPIPCId; */ +/* OBSOLETE */ +/* OBSOLETE target_preopen (from_tty); */ +/* OBSOLETE */ +/* OBSOLETE entry.Offset = 0; */ +/* OBSOLETE */ +/* OBSOLETE for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) */ +/* OBSOLETE bkpt_table[cnt].Type = 0; */ +/* OBSOLETE */ +/* OBSOLETE if (udi_config_id) */ +/* OBSOLETE xfree (udi_config_id); */ +/* OBSOLETE */ +/* OBSOLETE if (!name) */ +/* OBSOLETE error ("Usage: target udi config_id, where config_id appears in udi_soc file"); */ +/* OBSOLETE */ +/* OBSOLETE udi_config_id = xstrdup (strtok (name, " \t")); */ +/* OBSOLETE */ +/* OBSOLETE if (UDIConnect (udi_config_id, &udi_session_id)) */ +/* OBSOLETE /* FIXME: Should set udi_session_id to -1 here. */ */ +/* OBSOLETE error ("UDIConnect() failed: %s\n", dfe_errmsg); */ +/* OBSOLETE */ +/* OBSOLETE push_target (&udi_ops); */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE ** Initialize target configuration structure (global) */ +/* OBSOLETE */ */ +/* OBSOLETE if (UDIGetTargetConfig (KnownMemory, &NumberOfRanges, */ +/* OBSOLETE ChipVersions, &NumberOfChips)) */ +/* OBSOLETE error ("UDIGetTargetConfig() failed"); */ +/* OBSOLETE if (NumberOfChips > 2) */ +/* OBSOLETE fprintf_unfiltered (gdb_stderr, "Target has more than one processor\n"); */ +/* OBSOLETE for (cnt = 0; cnt < NumberOfRanges; cnt++) */ +/* OBSOLETE { */ +/* OBSOLETE switch (KnownMemory[cnt].Space) */ +/* OBSOLETE { */ +/* OBSOLETE default: */ +/* OBSOLETE fprintf_unfiltered (gdb_stderr, "UDIGetTargetConfig() unknown memory space\n"); */ +/* OBSOLETE break; */ +/* OBSOLETE case UDI29KCP_S: */ +/* OBSOLETE break; */ +/* OBSOLETE case UDI29KIROMSpace: */ +/* OBSOLETE RMemStart = KnownMemory[cnt].Offset; */ +/* OBSOLETE RMemSize = KnownMemory[cnt].Size; */ +/* OBSOLETE break; */ +/* OBSOLETE case UDI29KIRAMSpace: */ +/* OBSOLETE IMemStart = KnownMemory[cnt].Offset; */ +/* OBSOLETE IMemSize = KnownMemory[cnt].Size; */ +/* OBSOLETE break; */ +/* OBSOLETE case UDI29KDRAMSpace: */ +/* OBSOLETE DMemStart = KnownMemory[cnt].Offset; */ +/* OBSOLETE DMemSize = KnownMemory[cnt].Size; */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE a29k_get_processor_type (); */ +/* OBSOLETE */ +/* OBSOLETE if (UDICreateProcess (&PId)) */ +/* OBSOLETE fprintf_unfiltered (gdb_stderr, "UDICreateProcess() failed\n"); */ +/* OBSOLETE */ +/* OBSOLETE /* Print out some stuff, letting the user now what's going on */ */ +/* OBSOLETE if (UDICapabilities (&TIPId, &TargetId, DFEId, DFE, &TIP, &DFEIPCId, */ +/* OBSOLETE &TIPIPCId, sbuf)) */ +/* OBSOLETE error ("UDICapabilities() failed"); */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE printf_filtered ("Connected via UDI socket,\n\ */ +/* OBSOLETE DFE-IPC version %x.%x.%x TIP-IPC version %x.%x.%x TIP version %x.%x.%x\n %s\n", */ +/* OBSOLETE (DFEIPCId >> 8) & 0xf, (DFEIPCId >> 4) & 0xf, DFEIPCId & 0xf, */ +/* OBSOLETE (TIPIPCId >> 8) & 0xf, (TIPIPCId >> 4) & 0xf, TIPIPCId & 0xf, */ +/* OBSOLETE (TargetId >> 8) & 0xf, (TargetId >> 4) & 0xf, TargetId & 0xf, */ +/* OBSOLETE sbuf); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /******************************************************************* UDI_CLOSE */ +/* OBSOLETE Close the open connection to the TIP process. */ +/* OBSOLETE Use this when you want to detach and do something else */ +/* OBSOLETE with your gdb. */ */ +/* OBSOLETE static void */ +/* OBSOLETE udi_close ( /*FIXME: how is quitting used */ */ +/* OBSOLETE int quitting) */ +/* OBSOLETE { */ +/* OBSOLETE if (udi_session_id < 0) */ +/* OBSOLETE return; */ +/* OBSOLETE */ +/* OBSOLETE /* We should never get here if there isn't something valid in */ +/* OBSOLETE udi_session_id. */ */ +/* OBSOLETE */ +/* OBSOLETE if (UDIDisconnect (udi_session_id, UDITerminateSession)) */ +/* OBSOLETE { */ +/* OBSOLETE if (quitting) */ +/* OBSOLETE warning ("UDIDisconnect() failed in udi_close"); */ +/* OBSOLETE else */ +/* OBSOLETE error ("UDIDisconnect() failed in udi_close"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Do not try to close udi_session_id again, later in the program. */ */ +/* OBSOLETE udi_session_id = -1; */ +/* OBSOLETE inferior_ptid = null_ptid; */ +/* OBSOLETE */ +/* OBSOLETE printf_filtered (" Ending remote debugging\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /**************************************************************** UDI_ATACH */ */ +/* OBSOLETE /* Attach to a program that is already loaded and running */ +/* OBSOLETE * Upon exiting the process's execution is stopped. */ +/* OBSOLETE */ */ +/* OBSOLETE static void */ +/* OBSOLETE udi_attach (char *args, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE UDIResource From; */ +/* OBSOLETE UDIInt32 PC_adds; */ +/* OBSOLETE UDICount Count = 1; */ +/* OBSOLETE UDISizeT Size = 4; */ +/* OBSOLETE UDICount CountDone; */ +/* OBSOLETE UDIBool HostEndian = 0; */ +/* OBSOLETE UDIError err; */ +/* OBSOLETE */ +/* OBSOLETE if (args == NULL) */ +/* OBSOLETE error_no_arg ("program to attach"); */ +/* OBSOLETE */ +/* OBSOLETE if (udi_session_id < 0) */ +/* OBSOLETE error ("UDI connection not opened yet, use the 'target udi' command.\n"); */ +/* OBSOLETE */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf_unfiltered ("Attaching to remote program %s...\n", prog_name); */ +/* OBSOLETE */ +/* OBSOLETE UDIStop (); */ +/* OBSOLETE From.Space = UDI29KSpecialRegs; */ +/* OBSOLETE From.Offset = 11; */ +/* OBSOLETE if (err = UDIRead (From, &PC_adds, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIRead failed in udi_attach"); */ +/* OBSOLETE printf_unfiltered ("Remote process is now halted, pc1 = 0x%x.\n", PC_adds); */ +/* OBSOLETE } */ +/* OBSOLETE /************************************************************* UDI_DETACH */ */ +/* OBSOLETE /* Terminate the open connection to the TIP process. */ +/* OBSOLETE Use this when you want to detach and do something else */ +/* OBSOLETE with your gdb. Leave remote process running (with no breakpoints set). */ */ +/* OBSOLETE static void */ +/* OBSOLETE udi_detach (char *args, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE remove_breakpoints (); /* Just in case there were any left in */ */ +/* OBSOLETE */ +/* OBSOLETE if (UDIDisconnect (udi_session_id, UDIContinueSession)) */ +/* OBSOLETE error ("UDIDisconnect() failed in udi_detach"); */ +/* OBSOLETE */ +/* OBSOLETE /* Don't try to UDIDisconnect it again in udi_close, which is called from */ +/* OBSOLETE pop_target. */ */ +/* OBSOLETE udi_session_id = -1; */ +/* OBSOLETE inferior_ptid = null_ptid; */ +/* OBSOLETE */ +/* OBSOLETE pop_target (); */ +/* OBSOLETE */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf_unfiltered ("Detaching from TIP\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /****************************************************************** UDI_RESUME */ +/* OBSOLETE ** Tell the remote machine to resume. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE udi_resume (ptid_t ptid, int step, enum target_signal sig) */ +/* OBSOLETE { */ +/* OBSOLETE UDIError tip_error; */ +/* OBSOLETE UDIUInt32 Steps = 1; */ +/* OBSOLETE UDIStepType StepType = UDIStepNatural; */ +/* OBSOLETE UDIRange Range; */ +/* OBSOLETE */ +/* OBSOLETE if (step) /* step 1 instruction */ */ +/* OBSOLETE { */ +/* OBSOLETE tip_error = UDIStep (Steps, StepType, Range); */ +/* OBSOLETE if (!tip_error) */ +/* OBSOLETE return; */ +/* OBSOLETE */ +/* OBSOLETE fprintf_unfiltered (gdb_stderr, "UDIStep() error = %d\n", tip_error); */ +/* OBSOLETE error ("failed in udi_resume"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE if (UDIExecute ()) */ +/* OBSOLETE error ("UDIExecute() failed in udi_resume"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /******************************************************************** UDI_WAIT */ +/* OBSOLETE ** Wait until the remote machine stops, then return, */ +/* OBSOLETE storing status in STATUS just as `wait' would. */ */ +/* OBSOLETE */ +/* OBSOLETE static ptid_t */ +/* OBSOLETE udi_wait (ptid_t ptid, struct target_waitstatus *status) */ +/* OBSOLETE { */ +/* OBSOLETE UDIInt32 MaxTime; */ +/* OBSOLETE UDIPId PId; */ +/* OBSOLETE UDIInt32 StopReason; */ +/* OBSOLETE UDISizeT CountDone; */ +/* OBSOLETE int old_timeout = timeout; */ +/* OBSOLETE int old_immediate_quit = immediate_quit; */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE */ +/* OBSOLETE /* wait for message to arrive. It should be: */ +/* OBSOLETE If the target stops executing, udi_wait() should return. */ +/* OBSOLETE */ */ +/* OBSOLETE timeout = 0; /* Wait indefinetly for a message */ */ +/* OBSOLETE immediate_quit = 1; /* Helps ability to QUIT */ */ +/* OBSOLETE */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE i = 0; */ +/* OBSOLETE MaxTime = UDIWaitForever; */ +/* OBSOLETE UDIWait (MaxTime, &PId, &StopReason); */ +/* OBSOLETE QUIT; /* Let user quit if they want */ */ +/* OBSOLETE */ +/* OBSOLETE switch (StopReason & UDIGrossState) */ +/* OBSOLETE { */ +/* OBSOLETE case UDIStdoutReady: */ +/* OBSOLETE if (UDIGetStdout (sbuf, (UDISizeT) SBUF_MAX, &CountDone)) */ +/* OBSOLETE /* This is said to happen if the program tries to output */ +/* OBSOLETE a whole bunch of output (more than SBUF_MAX, I would */ +/* OBSOLETE guess). It doesn't seem to happen with the simulator. */ */ +/* OBSOLETE warning ("UDIGetStdout() failed in udi_wait"); */ +/* OBSOLETE fwrite (sbuf, 1, CountDone, stdout); */ +/* OBSOLETE gdb_flush (gdb_stdout); */ +/* OBSOLETE continue; */ +/* OBSOLETE */ +/* OBSOLETE case UDIStderrReady: */ +/* OBSOLETE UDIGetStderr (sbuf, (UDISizeT) SBUF_MAX, &CountDone); */ +/* OBSOLETE fwrite (sbuf, 1, CountDone, stderr); */ +/* OBSOLETE gdb_flush (gdb_stderr); */ +/* OBSOLETE continue; */ +/* OBSOLETE */ +/* OBSOLETE case UDIStdinNeeded: */ +/* OBSOLETE { */ +/* OBSOLETE int ch; */ +/* OBSOLETE i = 0; */ +/* OBSOLETE do */ +/* OBSOLETE { */ +/* OBSOLETE ch = getchar (); */ +/* OBSOLETE if (ch == EOF) */ +/* OBSOLETE break; */ +/* OBSOLETE sbuf[i++] = ch; */ +/* OBSOLETE } */ +/* OBSOLETE while (i < SBUF_MAX && ch != '\n'); */ +/* OBSOLETE UDIPutStdin (sbuf, (UDISizeT) i, &CountDone); */ +/* OBSOLETE continue; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE case UDIRunning: */ +/* OBSOLETE /* In spite of the fact that we told UDIWait to wait forever, it will */ +/* OBSOLETE return spuriously sometimes. */ */ +/* OBSOLETE case UDIStdinModeX: */ +/* OBSOLETE continue; */ +/* OBSOLETE default: */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE switch (StopReason & UDIGrossState) */ +/* OBSOLETE { */ +/* OBSOLETE case UDITrapped: */ +/* OBSOLETE printf_unfiltered ("Am290*0 received vector number %d\n", StopReason >> 24); */ +/* OBSOLETE */ +/* OBSOLETE switch ((StopReason >> 8) & 0xff) */ +/* OBSOLETE { */ +/* OBSOLETE case 0: /* Illegal opcode */ */ +/* OBSOLETE printf_unfiltered (" (break point)\n"); */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE break; */ +/* OBSOLETE case 1: /* Unaligned Access */ */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_BUS; */ +/* OBSOLETE break; */ +/* OBSOLETE case 3: */ +/* OBSOLETE case 4: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_FPE; */ +/* OBSOLETE break; */ +/* OBSOLETE case 5: /* Protection Violation */ */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE /* Why not SEGV? What is a Protection Violation? */ */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_ILL; */ +/* OBSOLETE break; */ +/* OBSOLETE case 6: */ +/* OBSOLETE case 7: */ +/* OBSOLETE case 8: /* User Instruction Mapping Miss */ */ +/* OBSOLETE case 9: /* User Data Mapping Miss */ */ +/* OBSOLETE case 10: /* Supervisor Instruction Mapping Miss */ */ +/* OBSOLETE case 11: /* Supervisor Data Mapping Miss */ */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_SEGV; */ +/* OBSOLETE break; */ +/* OBSOLETE case 12: */ +/* OBSOLETE case 13: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_ILL; */ +/* OBSOLETE break; */ +/* OBSOLETE case 14: /* Timer */ */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_ALRM; */ +/* OBSOLETE break; */ +/* OBSOLETE case 15: /* Trace */ */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE break; */ +/* OBSOLETE case 16: /* INTR0 */ */ +/* OBSOLETE case 17: /* INTR1 */ */ +/* OBSOLETE case 18: /* INTR2 */ */ +/* OBSOLETE case 19: /* INTR3/Internal */ */ +/* OBSOLETE case 20: /* TRAP0 */ */ +/* OBSOLETE case 21: /* TRAP1 */ */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_INT; */ +/* OBSOLETE break; */ +/* OBSOLETE case 22: /* Floating-Point Exception */ */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE /* Why not FPE? */ */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_ILL; */ +/* OBSOLETE break; */ +/* OBSOLETE case 77: /* assert 77 */ */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE break; */ +/* OBSOLETE default: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE } */ +/* OBSOLETE break; */ +/* OBSOLETE case UDINotExecuting: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TERM; */ +/* OBSOLETE break; */ +/* OBSOLETE case UDIStopped: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TSTP; */ +/* OBSOLETE break; */ +/* OBSOLETE case UDIWarned: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_URG; */ +/* OBSOLETE break; */ +/* OBSOLETE case UDIStepped: */ +/* OBSOLETE case UDIBreak: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE break; */ +/* OBSOLETE case UDIWaiting: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_STOP; */ +/* OBSOLETE break; */ +/* OBSOLETE case UDIHalted: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_KILL; */ +/* OBSOLETE break; */ +/* OBSOLETE case UDIExited: */ +/* OBSOLETE default: */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE timeout = old_timeout; /* Restore original timeout value */ */ +/* OBSOLETE immediate_quit = old_immediate_quit; */ +/* OBSOLETE return inferior_ptid; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE #if 0 */ +/* OBSOLETE /* Handy for debugging */ */ +/* OBSOLETE udi_pc (void) */ +/* OBSOLETE { */ +/* OBSOLETE UDIResource From; */ +/* OBSOLETE UDIUInt32 *To; */ +/* OBSOLETE UDICount Count; */ +/* OBSOLETE UDISizeT Size = 4; */ +/* OBSOLETE UDICount CountDone; */ +/* OBSOLETE UDIBool HostEndian = 0; */ +/* OBSOLETE UDIError err; */ +/* OBSOLETE int pc[2]; */ +/* OBSOLETE unsigned long myregs[256]; */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE From.Space = UDI29KPC; */ +/* OBSOLETE From.Offset = 0; */ +/* OBSOLETE To = (UDIUInt32 *) pc; */ +/* OBSOLETE Count = 2; */ +/* OBSOLETE */ +/* OBSOLETE err = UDIRead (From, To, Count, Size, &CountDone, HostEndian); */ +/* OBSOLETE */ +/* OBSOLETE printf_unfiltered ("err = %d, CountDone = %d, pc[0] = 0x%x, pc[1] = 0x%x\n", */ +/* OBSOLETE err, CountDone, pc[0], pc[1]); */ +/* OBSOLETE */ +/* OBSOLETE udi_fetch_registers (-1); */ +/* OBSOLETE */ +/* OBSOLETE printf_unfiltered ("other pc1 = 0x%x, pc0 = 0x%x\n", *(int *) ®isters[4 * PC_REGNUM], */ +/* OBSOLETE *(int *) ®isters[4 * NPC_REGNUM]); */ +/* OBSOLETE */ +/* OBSOLETE /* Now, read all the registers globally */ */ +/* OBSOLETE */ +/* OBSOLETE From.Space = UDI29KGlobalRegs; */ +/* OBSOLETE From.Offset = 0; */ +/* OBSOLETE err = UDIRead (From, myregs, 256, 4, &CountDone, HostEndian); */ +/* OBSOLETE */ +/* OBSOLETE printf ("err = %d, CountDone = %d\n", err, CountDone); */ +/* OBSOLETE */ +/* OBSOLETE printf ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < 256; i += 2) */ +/* OBSOLETE printf ("%d:\t%#10x\t%11d\t%#10x\t%11d\n", i, myregs[i], myregs[i], */ +/* OBSOLETE myregs[i + 1], myregs[i + 1]); */ +/* OBSOLETE printf ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE return pc[0]; */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /********************************************************** UDI_FETCH_REGISTERS */ +/* OBSOLETE * Read a remote register 'regno'. */ +/* OBSOLETE * If regno==-1 then read all the registers. */ +/* OBSOLETE */ */ +/* OBSOLETE static void */ +/* OBSOLETE udi_fetch_registers (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE UDIResource From; */ +/* OBSOLETE UDIUInt32 *To; */ +/* OBSOLETE UDICount Count; */ +/* OBSOLETE UDISizeT Size = 4; */ +/* OBSOLETE UDICount CountDone; */ +/* OBSOLETE UDIBool HostEndian = 0; */ +/* OBSOLETE UDIError err; */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE if (regno >= 0) */ +/* OBSOLETE { */ +/* OBSOLETE fetch_register (regno); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Gr1/rsp */ */ +/* OBSOLETE */ +/* OBSOLETE From.Space = UDI29KGlobalRegs; */ +/* OBSOLETE From.Offset = 1; */ +/* OBSOLETE To = (UDIUInt32 *) & registers[4 * GR1_REGNUM]; */ +/* OBSOLETE Count = 1; */ +/* OBSOLETE if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIRead() failed in udi_fetch_registers"); */ +/* OBSOLETE */ +/* OBSOLETE register_valid[GR1_REGNUM] = 1; */ +/* OBSOLETE */ +/* OBSOLETE #if defined(GR64_REGNUM) /* Read gr64-127 */ */ +/* OBSOLETE */ +/* OBSOLETE /* Global Registers gr64-gr95 */ */ +/* OBSOLETE */ +/* OBSOLETE From.Space = UDI29KGlobalRegs; */ +/* OBSOLETE From.Offset = 64; */ +/* OBSOLETE To = (UDIUInt32 *) & registers[4 * GR64_REGNUM]; */ +/* OBSOLETE Count = 32; */ +/* OBSOLETE if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIRead() failed in udi_fetch_registers"); */ +/* OBSOLETE */ +/* OBSOLETE for (i = GR64_REGNUM; i < GR64_REGNUM + 32; i++) */ +/* OBSOLETE register_valid[i] = 1; */ +/* OBSOLETE */ +/* OBSOLETE #endif /* GR64_REGNUM */ */ +/* OBSOLETE */ +/* OBSOLETE /* Global Registers gr96-gr127 */ */ +/* OBSOLETE */ +/* OBSOLETE From.Space = UDI29KGlobalRegs; */ +/* OBSOLETE From.Offset = 96; */ +/* OBSOLETE To = (UDIUInt32 *) & registers[4 * GR96_REGNUM]; */ +/* OBSOLETE Count = 32; */ +/* OBSOLETE if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIRead() failed in udi_fetch_registers"); */ +/* OBSOLETE */ +/* OBSOLETE for (i = GR96_REGNUM; i < GR96_REGNUM + 32; i++) */ +/* OBSOLETE register_valid[i] = 1; */ +/* OBSOLETE */ +/* OBSOLETE /* Local Registers */ */ +/* OBSOLETE */ +/* OBSOLETE From.Space = UDI29KLocalRegs; */ +/* OBSOLETE From.Offset = 0; */ +/* OBSOLETE To = (UDIUInt32 *) & registers[4 * LR0_REGNUM]; */ +/* OBSOLETE Count = 128; */ +/* OBSOLETE if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIRead() failed in udi_fetch_registers"); */ +/* OBSOLETE */ +/* OBSOLETE for (i = LR0_REGNUM; i < LR0_REGNUM + 128; i++) */ +/* OBSOLETE register_valid[i] = 1; */ +/* OBSOLETE */ +/* OBSOLETE /* Protected Special Registers */ */ +/* OBSOLETE */ +/* OBSOLETE From.Space = UDI29KSpecialRegs; */ +/* OBSOLETE From.Offset = 0; */ +/* OBSOLETE To = (UDIUInt32 *) & registers[4 * SR_REGNUM (0)]; */ +/* OBSOLETE Count = 15; */ +/* OBSOLETE if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIRead() failed in udi_fetch_registers"); */ +/* OBSOLETE */ +/* OBSOLETE for (i = SR_REGNUM (0); i < SR_REGNUM (0) + 15; i++) */ +/* OBSOLETE register_valid[i] = 1; */ +/* OBSOLETE */ +/* OBSOLETE if (USE_SHADOW_PC) */ +/* OBSOLETE { /* Let regno_to_srnum() handle the register number */ */ +/* OBSOLETE fetch_register (NPC_REGNUM); */ +/* OBSOLETE fetch_register (PC_REGNUM); */ +/* OBSOLETE fetch_register (PC2_REGNUM); */ +/* OBSOLETE */ +/* OBSOLETE /* Unprotected Special Registers sr128-sr135 */ */ +/* OBSOLETE */ +/* OBSOLETE From.Space = UDI29KSpecialRegs; */ +/* OBSOLETE From.Offset = 128; */ +/* OBSOLETE To = (UDIUInt32 *) & registers[4 * SR_REGNUM (128)]; */ +/* OBSOLETE Count = 135 - 128 + 1; */ +/* OBSOLETE if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIRead() failed in udi_fetch_registers"); */ +/* OBSOLETE */ +/* OBSOLETE for (i = SR_REGNUM (128); i < SR_REGNUM (128) + 135 - 128 + 1; i++) */ +/* OBSOLETE register_valid[i] = 1; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE if (remote_debug) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf_unfiltered (gdb_stdlog, "Fetching all registers\n"); */ +/* OBSOLETE fprintf_unfiltered (gdb_stdlog, */ +/* OBSOLETE "Fetching PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", */ +/* OBSOLETE read_register (NPC_REGNUM), */ +/* OBSOLETE read_register (PC_REGNUM), */ +/* OBSOLETE read_register (PC2_REGNUM)); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* There doesn't seem to be any way to get these. */ */ +/* OBSOLETE { */ +/* OBSOLETE int val = -1; */ +/* OBSOLETE supply_register (FPE_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (INTE_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (FPS_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (EXO_REGNUM, (char *) &val); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /********************************************************* UDI_STORE_REGISTERS */ +/* OBSOLETE ** Store register regno into the target. */ +/* OBSOLETE * If regno==-1 then store all the registers. */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE udi_store_registers (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE UDIUInt32 *From; */ +/* OBSOLETE UDIResource To; */ +/* OBSOLETE UDICount Count; */ +/* OBSOLETE UDISizeT Size = 4; */ +/* OBSOLETE UDICount CountDone; */ +/* OBSOLETE UDIBool HostEndian = 0; */ +/* OBSOLETE */ +/* OBSOLETE if (regno >= 0) */ +/* OBSOLETE { */ +/* OBSOLETE store_register (regno); */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE if (remote_debug) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf_unfiltered (gdb_stdlog, "Storing all registers\n"); */ +/* OBSOLETE fprintf_unfiltered (gdb_stdlog, */ +/* OBSOLETE "PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", */ +/* OBSOLETE read_register (NPC_REGNUM), */ +/* OBSOLETE read_register (PC_REGNUM), */ +/* OBSOLETE read_register (PC2_REGNUM)); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Gr1/rsp */ */ +/* OBSOLETE */ +/* OBSOLETE From = (UDIUInt32 *) & registers[4 * GR1_REGNUM]; */ +/* OBSOLETE To.Space = UDI29KGlobalRegs; */ +/* OBSOLETE To.Offset = 1; */ +/* OBSOLETE Count = 1; */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIWrite() failed in udi_store_regisetrs"); */ +/* OBSOLETE */ +/* OBSOLETE #if defined(GR64_REGNUM) */ +/* OBSOLETE */ +/* OBSOLETE /* Global registers gr64-gr95 */ */ +/* OBSOLETE */ +/* OBSOLETE From = (UDIUInt32 *) & registers[4 * GR64_REGNUM]; */ +/* OBSOLETE To.Space = UDI29KGlobalRegs; */ +/* OBSOLETE To.Offset = 64; */ +/* OBSOLETE Count = 32; */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIWrite() failed in udi_store_regisetrs"); */ +/* OBSOLETE */ +/* OBSOLETE #endif /* GR64_REGNUM */ */ +/* OBSOLETE */ +/* OBSOLETE /* Global registers gr96-gr127 */ */ +/* OBSOLETE */ +/* OBSOLETE From = (UDIUInt32 *) & registers[4 * GR96_REGNUM]; */ +/* OBSOLETE To.Space = UDI29KGlobalRegs; */ +/* OBSOLETE To.Offset = 96; */ +/* OBSOLETE Count = 32; */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIWrite() failed in udi_store_regisetrs"); */ +/* OBSOLETE */ +/* OBSOLETE /* Local Registers */ */ +/* OBSOLETE */ +/* OBSOLETE From = (UDIUInt32 *) & registers[4 * LR0_REGNUM]; */ +/* OBSOLETE To.Space = UDI29KLocalRegs; */ +/* OBSOLETE To.Offset = 0; */ +/* OBSOLETE Count = 128; */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIWrite() failed in udi_store_regisetrs"); */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Protected Special Registers *//* VAB through TMR */ */ +/* OBSOLETE */ +/* OBSOLETE From = (UDIUInt32 *) & registers[4 * SR_REGNUM (0)]; */ +/* OBSOLETE To.Space = UDI29KSpecialRegs; */ +/* OBSOLETE To.Offset = 0; */ +/* OBSOLETE Count = 10; */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIWrite() failed in udi_store_regisetrs"); */ +/* OBSOLETE */ +/* OBSOLETE /* PC0, PC1, PC2 possibly as shadow registers */ */ +/* OBSOLETE */ +/* OBSOLETE From = (UDIUInt32 *) & registers[4 * SR_REGNUM (10)]; */ +/* OBSOLETE To.Space = UDI29KSpecialRegs; */ +/* OBSOLETE Count = 3; */ +/* OBSOLETE if (USE_SHADOW_PC) */ +/* OBSOLETE To.Offset = 20; /* SPC0 */ */ +/* OBSOLETE else */ +/* OBSOLETE To.Offset = 10; /* PC0 */ */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIWrite() failed in udi_store_regisetrs"); */ +/* OBSOLETE */ +/* OBSOLETE /* PC1 via UDI29KPC */ */ +/* OBSOLETE */ +/* OBSOLETE From = (UDIUInt32 *) & registers[4 * PC_REGNUM]; */ +/* OBSOLETE To.Space = UDI29KPC; */ +/* OBSOLETE To.Offset = 0; /* PC1 */ */ +/* OBSOLETE Count = 1; */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIWrite() failed in udi_store_regisetrs"); */ +/* OBSOLETE */ +/* OBSOLETE /* LRU and MMU */ */ +/* OBSOLETE */ +/* OBSOLETE From = (UDIUInt32 *) & registers[4 * SR_REGNUM (13)]; */ +/* OBSOLETE To.Space = UDI29KSpecialRegs; */ +/* OBSOLETE To.Offset = 13; */ +/* OBSOLETE Count = 2; */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIWrite() failed in udi_store_regisetrs"); */ +/* OBSOLETE */ +/* OBSOLETE /* Unprotected Special Registers */ */ +/* OBSOLETE */ +/* OBSOLETE From = (UDIUInt32 *) & registers[4 * SR_REGNUM (128)]; */ +/* OBSOLETE To.Space = UDI29KSpecialRegs; */ +/* OBSOLETE To.Offset = 128; */ +/* OBSOLETE Count = 135 - 128 + 1; */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIWrite() failed in udi_store_regisetrs"); */ +/* OBSOLETE */ +/* OBSOLETE registers_changed (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /****************************************************** UDI_PREPARE_TO_STORE */ */ +/* OBSOLETE /* Get ready to modify the registers array. On machines which store */ +/* OBSOLETE individual registers, this doesn't need to do anything. On machines */ +/* OBSOLETE which store all the registers in one fell swoop, this makes sure */ +/* OBSOLETE that registers contains all the registers from the program being */ +/* OBSOLETE debugged. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE udi_prepare_to_store (void) */ +/* OBSOLETE { */ +/* OBSOLETE /* Do nothing, since we can store individual regs */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /********************************************************** TRANSLATE_ADDR */ */ +/* OBSOLETE static CORE_ADDR */ +/* OBSOLETE translate_addr (CORE_ADDR addr) */ +/* OBSOLETE { */ +/* OBSOLETE #if defined(ULTRA3) && defined(KERNEL_DEBUGGING) */ +/* OBSOLETE /* Check for a virtual address in the kernel */ */ +/* OBSOLETE /* Assume physical address of ublock is in paddr_u register */ */ +/* OBSOLETE /* FIXME: doesn't work for user virtual addresses */ */ +/* OBSOLETE if (addr >= UVADDR) */ +/* OBSOLETE { */ +/* OBSOLETE /* PADDR_U register holds the physical address of the ublock */ */ +/* OBSOLETE CORE_ADDR i = (CORE_ADDR) read_register (PADDR_U_REGNUM); */ +/* OBSOLETE return (i + addr - (CORE_ADDR) UVADDR); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE return (addr); */ +/* OBSOLETE } */ +/* OBSOLETE #else */ +/* OBSOLETE return (addr); */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE /************************************************* UDI_XFER_INFERIOR_MEMORY */ */ +/* OBSOLETE /* FIXME! Merge these two. */ */ +/* OBSOLETE static int */ +/* OBSOLETE udi_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, */ +/* OBSOLETE struct mem_attrib *attrib ATTRIBUTE_UNUSED, */ +/* OBSOLETE struct target_ops *target ATTRIBUTE_UNUSED) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE memaddr = translate_addr (memaddr); */ +/* OBSOLETE */ +/* OBSOLETE if (write) */ +/* OBSOLETE return udi_write_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE else */ +/* OBSOLETE return udi_read_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /********************************************************** UDI_FILES_INFO */ */ +/* OBSOLETE static void */ +/* OBSOLETE udi_files_info (struct target_ops *target) */ +/* OBSOLETE { */ +/* OBSOLETE printf_unfiltered ("\tAttached to UDI socket to %s", udi_config_id); */ +/* OBSOLETE if (prog_name != NULL) */ +/* OBSOLETE printf_unfiltered ("and running program %s", prog_name); */ +/* OBSOLETE printf_unfiltered (".\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /**************************************************** UDI_INSERT_BREAKPOINT */ */ +/* OBSOLETE static int */ +/* OBSOLETE udi_insert_breakpoint (CORE_ADDR addr, char *contents_cache) */ +/* OBSOLETE { */ +/* OBSOLETE int cnt; */ +/* OBSOLETE UDIError err; */ +/* OBSOLETE */ +/* OBSOLETE for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) */ +/* OBSOLETE if (bkpt_table[cnt].Type == 0) /* Find first free slot */ */ +/* OBSOLETE break; */ +/* OBSOLETE */ +/* OBSOLETE if (cnt >= BKPT_TABLE_SIZE) */ +/* OBSOLETE error ("Too many breakpoints set"); */ +/* OBSOLETE */ +/* OBSOLETE bkpt_table[cnt].Addr.Offset = addr; */ +/* OBSOLETE bkpt_table[cnt].Addr.Space = UDI29KIRAMSpace; */ +/* OBSOLETE bkpt_table[cnt].PassCount = 1; */ +/* OBSOLETE bkpt_table[cnt].Type = UDIBreakFlagExecute; */ +/* OBSOLETE */ +/* OBSOLETE err = UDISetBreakpoint (bkpt_table[cnt].Addr, */ +/* OBSOLETE bkpt_table[cnt].PassCount, */ +/* OBSOLETE bkpt_table[cnt].Type, */ +/* OBSOLETE &bkpt_table[cnt].BreakId); */ +/* OBSOLETE */ +/* OBSOLETE if (err == 0) */ +/* OBSOLETE return 0; /* Success */ */ +/* OBSOLETE */ +/* OBSOLETE bkpt_table[cnt].Type = 0; */ +/* OBSOLETE error ("UDISetBreakpoint returned error code %d\n", err); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /**************************************************** UDI_REMOVE_BREAKPOINT */ */ +/* OBSOLETE static int */ +/* OBSOLETE udi_remove_breakpoint (CORE_ADDR addr, char *contents_cache) */ +/* OBSOLETE { */ +/* OBSOLETE int cnt; */ +/* OBSOLETE UDIError err; */ +/* OBSOLETE */ +/* OBSOLETE for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) */ +/* OBSOLETE if (bkpt_table[cnt].Addr.Offset == addr) /* Find matching breakpoint */ */ +/* OBSOLETE break; */ +/* OBSOLETE */ +/* OBSOLETE if (cnt >= BKPT_TABLE_SIZE) */ +/* OBSOLETE error ("Can't find breakpoint in table"); */ +/* OBSOLETE */ +/* OBSOLETE bkpt_table[cnt].Type = 0; */ +/* OBSOLETE */ +/* OBSOLETE err = UDIClearBreakpoint (bkpt_table[cnt].BreakId); */ +/* OBSOLETE if (err == 0) */ +/* OBSOLETE return 0; /* Success */ */ +/* OBSOLETE */ +/* OBSOLETE error ("UDIClearBreakpoint returned error code %d\n", err); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE udi_kill (void) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE #if 0 */ +/* OBSOLETE /* */ +/* OBSOLETE UDIStop does not really work as advertised. It causes the TIP to close it's */ +/* OBSOLETE connection, which usually results in GDB dying with a SIGPIPE. For now, we */ +/* OBSOLETE just invoke udi_close, which seems to get things right. */ +/* OBSOLETE */ */ +/* OBSOLETE UDIStop (); */ +/* OBSOLETE */ +/* OBSOLETE udi_session_id = -1; */ +/* OBSOLETE inferior_ptid = null_ptid; */ +/* OBSOLETE */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf_unfiltered ("Target has been stopped."); */ +/* OBSOLETE #endif /* 0 */ */ +/* OBSOLETE #if 0 */ +/* OBSOLETE udi_close (0); */ +/* OBSOLETE pop_target (); */ +/* OBSOLETE #endif /* 0 */ */ +/* OBSOLETE */ +/* OBSOLETE /* Keep the target around, e.g. so "run" can do the right thing when */ +/* OBSOLETE we are already debugging something. */ */ +/* OBSOLETE */ +/* OBSOLETE if (UDIDisconnect (udi_session_id, UDITerminateSession)) */ +/* OBSOLETE { */ +/* OBSOLETE warning ("UDIDisconnect() failed"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Do not try to close udi_session_id again, later in the program. */ */ +/* OBSOLETE udi_session_id = -1; */ +/* OBSOLETE inferior_ptid = null_ptid; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* */ +/* OBSOLETE Load a program into the target. Args are: `program {options}'. The options */ +/* OBSOLETE are used to control loading of the program, and are NOT passed onto the */ +/* OBSOLETE loaded code as arguments. (You need to use the `run' command to do that.) */ +/* OBSOLETE */ +/* OBSOLETE The options are: */ +/* OBSOLETE -ms %d Set mem stack size to %d */ +/* OBSOLETE -rs %d Set regular stack size to %d */ +/* OBSOLETE -i send init info (default) */ +/* OBSOLETE -noi don't send init info */ +/* OBSOLETE -[tT] Load Text section */ +/* OBSOLETE -[dD] Load Data section */ +/* OBSOLETE -[bB] Load BSS section */ +/* OBSOLETE -[lL] Load Lit section */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE download (char *load_arg_string, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE #define DEFAULT_MEM_STACK_SIZE 0x6000 */ +/* OBSOLETE #define DEFAULT_REG_STACK_SIZE 0x2000 */ +/* OBSOLETE */ +/* OBSOLETE char *token; */ +/* OBSOLETE char *filename; */ +/* OBSOLETE asection *section; */ +/* OBSOLETE bfd *pbfd; */ +/* OBSOLETE UDIError err; */ +/* OBSOLETE int load_text = 1, load_data = 1, load_bss = 1, load_lit = 1; */ +/* OBSOLETE */ +/* OBSOLETE address_ranges[0].Space = UDI29KIRAMSpace; */ +/* OBSOLETE address_ranges[0].Offset = 0xffffffff; */ +/* OBSOLETE address_ranges[0].Size = 0; */ +/* OBSOLETE */ +/* OBSOLETE address_ranges[1].Space = UDI29KDRAMSpace; */ +/* OBSOLETE address_ranges[1].Offset = 0xffffffff; */ +/* OBSOLETE address_ranges[1].Size = 0; */ +/* OBSOLETE */ +/* OBSOLETE stack_sizes[0] = DEFAULT_REG_STACK_SIZE; */ +/* OBSOLETE stack_sizes[1] = DEFAULT_MEM_STACK_SIZE; */ +/* OBSOLETE */ +/* OBSOLETE dont_repeat (); */ +/* OBSOLETE */ +/* OBSOLETE filename = strtok (load_arg_string, " \t"); */ +/* OBSOLETE if (!filename) */ +/* OBSOLETE error ("Must specify at least a file name with the load command"); */ +/* OBSOLETE */ +/* OBSOLETE filename = tilde_expand (filename); */ +/* OBSOLETE make_cleanup (xfree, filename); */ +/* OBSOLETE */ +/* OBSOLETE while (token = strtok (NULL, " \t")) */ +/* OBSOLETE { */ +/* OBSOLETE if (token[0] == '-') */ +/* OBSOLETE { */ +/* OBSOLETE token++; */ +/* OBSOLETE */ +/* OBSOLETE if (STREQ (token, "ms")) */ +/* OBSOLETE stack_sizes[1] = atol (strtok (NULL, " \t")); */ +/* OBSOLETE else if (STREQ (token, "rs")) */ +/* OBSOLETE stack_sizes[0] = atol (strtok (NULL, " \t")); */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE load_text = load_data = load_bss = load_lit = 0; */ +/* OBSOLETE */ +/* OBSOLETE while (*token) */ +/* OBSOLETE { */ +/* OBSOLETE switch (*token++) */ +/* OBSOLETE { */ +/* OBSOLETE case 't': */ +/* OBSOLETE case 'T': */ +/* OBSOLETE load_text = 1; */ +/* OBSOLETE break; */ +/* OBSOLETE case 'd': */ +/* OBSOLETE case 'D': */ +/* OBSOLETE load_data = 1; */ +/* OBSOLETE break; */ +/* OBSOLETE case 'b': */ +/* OBSOLETE case 'B': */ +/* OBSOLETE load_bss = 1; */ +/* OBSOLETE break; */ +/* OBSOLETE case 'l': */ +/* OBSOLETE case 'L': */ +/* OBSOLETE load_lit = 1; */ +/* OBSOLETE break; */ +/* OBSOLETE default: */ +/* OBSOLETE error ("Unknown UDI load option -%s", token - 1); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE pbfd = bfd_openr (filename, gnutarget); */ +/* OBSOLETE */ +/* OBSOLETE if (!pbfd) */ +/* OBSOLETE /* FIXME: should be using bfd_errmsg, not assuming it was */ +/* OBSOLETE bfd_error_system_call. */ */ +/* OBSOLETE perror_with_name (filename); */ +/* OBSOLETE */ +/* OBSOLETE /* FIXME: should be checking for errors from bfd_close (for one thing, */ +/* OBSOLETE on error it does not free all the storage associated with the */ +/* OBSOLETE bfd). */ */ +/* OBSOLETE make_cleanup_bfd_close (pbfd); */ +/* OBSOLETE */ +/* OBSOLETE QUIT; */ +/* OBSOLETE immediate_quit++; */ +/* OBSOLETE */ +/* OBSOLETE if (!bfd_check_format (pbfd, bfd_object)) */ +/* OBSOLETE error ("It doesn't seem to be an object file"); */ +/* OBSOLETE */ +/* OBSOLETE for (section = pbfd->sections; section; section = section->next) */ +/* OBSOLETE { */ +/* OBSOLETE if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC) */ +/* OBSOLETE { */ +/* OBSOLETE UDIResource To; */ +/* OBSOLETE UDICount Count; */ +/* OBSOLETE unsigned long section_size, section_end; */ +/* OBSOLETE const char *section_name; */ +/* OBSOLETE */ +/* OBSOLETE section_name = bfd_get_section_name (pbfd, section); */ +/* OBSOLETE if (STREQ (section_name, ".text") && !load_text) */ +/* OBSOLETE continue; */ +/* OBSOLETE else if (STREQ (section_name, ".data") && !load_data) */ +/* OBSOLETE continue; */ +/* OBSOLETE else if (STREQ (section_name, ".bss") && !load_bss) */ +/* OBSOLETE continue; */ +/* OBSOLETE else if (STREQ (section_name, ".lit") && !load_lit) */ +/* OBSOLETE continue; */ +/* OBSOLETE */ +/* OBSOLETE To.Offset = bfd_get_section_vma (pbfd, section); */ +/* OBSOLETE section_size = bfd_section_size (pbfd, section); */ +/* OBSOLETE section_end = To.Offset + section_size; */ +/* OBSOLETE */ +/* OBSOLETE if (section_size == 0) */ +/* OBSOLETE /* This is needed at least in the BSS case, where the code */ +/* OBSOLETE below starts writing before it even checks the size. */ */ +/* OBSOLETE continue; */ +/* OBSOLETE */ +/* OBSOLETE printf_unfiltered ("[Loading section %s at %x (%d bytes)]\n", */ +/* OBSOLETE section_name, */ +/* OBSOLETE To.Offset, */ +/* OBSOLETE section_size); */ +/* OBSOLETE */ +/* OBSOLETE if (bfd_get_section_flags (pbfd, section) & SEC_CODE) */ +/* OBSOLETE { */ +/* OBSOLETE To.Space = UDI29KIRAMSpace; */ +/* OBSOLETE */ +/* OBSOLETE address_ranges[0].Offset = min (address_ranges[0].Offset, */ +/* OBSOLETE To.Offset); */ +/* OBSOLETE address_ranges[0].Size = max (address_ranges[0].Size, */ +/* OBSOLETE section_end */ +/* OBSOLETE - address_ranges[0].Offset); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE To.Space = UDI29KDRAMSpace; */ +/* OBSOLETE */ +/* OBSOLETE address_ranges[1].Offset = min (address_ranges[1].Offset, */ +/* OBSOLETE To.Offset); */ +/* OBSOLETE address_ranges[1].Size = max (address_ranges[1].Size, */ +/* OBSOLETE section_end */ +/* OBSOLETE - address_ranges[1].Offset); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE if (bfd_get_section_flags (pbfd, section) & SEC_LOAD) /* Text, data or lit */ */ +/* OBSOLETE { */ +/* OBSOLETE file_ptr fptr; */ +/* OBSOLETE */ +/* OBSOLETE fptr = 0; */ +/* OBSOLETE */ +/* OBSOLETE while (section_size > 0) */ +/* OBSOLETE { */ +/* OBSOLETE char buffer[1024]; */ +/* OBSOLETE */ +/* OBSOLETE Count = min (section_size, 1024); */ +/* OBSOLETE */ +/* OBSOLETE bfd_get_section_contents (pbfd, section, buffer, fptr, */ +/* OBSOLETE Count); */ +/* OBSOLETE */ +/* OBSOLETE err = UDIWrite ((UDIHostMemPtr) buffer, /* From */ */ +/* OBSOLETE To, /* To */ */ +/* OBSOLETE Count, /* Count */ */ +/* OBSOLETE (UDISizeT) 1, /* Size */ */ +/* OBSOLETE &Count, /* CountDone */ */ +/* OBSOLETE (UDIBool) 0); /* HostEndian */ */ +/* OBSOLETE if (err) */ +/* OBSOLETE error ("UDIWrite failed, error = %d", err); */ +/* OBSOLETE */ +/* OBSOLETE To.Offset += Count; */ +/* OBSOLETE fptr += Count; */ +/* OBSOLETE section_size -= Count; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE /* BSS */ */ +/* OBSOLETE { */ +/* OBSOLETE UDIResource From; */ +/* OBSOLETE unsigned long zero = 0; */ +/* OBSOLETE */ +/* OBSOLETE /* Write a zero byte at the vma */ */ +/* OBSOLETE /* FIXME: Broken for sections of 1-3 bytes (we test for */ +/* OBSOLETE zero above). */ */ +/* OBSOLETE err = UDIWrite ((UDIHostMemPtr) & zero, /* From */ */ +/* OBSOLETE To, /* To */ */ +/* OBSOLETE (UDICount) 1, /* Count */ */ +/* OBSOLETE (UDISizeT) 4, /* Size */ */ +/* OBSOLETE &Count, /* CountDone */ */ +/* OBSOLETE (UDIBool) 0); /* HostEndian */ */ +/* OBSOLETE if (err) */ +/* OBSOLETE error ("UDIWrite failed, error = %d", err); */ +/* OBSOLETE */ +/* OBSOLETE From = To; */ +/* OBSOLETE To.Offset += 4; */ +/* OBSOLETE */ +/* OBSOLETE /* Now, duplicate it for the length of the BSS */ */ +/* OBSOLETE err = UDICopy (From, /* From */ */ +/* OBSOLETE To, /* To */ */ +/* OBSOLETE (UDICount) (section_size / 4 - 1), /* Count */ */ +/* OBSOLETE (UDISizeT) 4, /* Size */ */ +/* OBSOLETE &Count, /* CountDone */ */ +/* OBSOLETE (UDIBool) 1); /* Direction */ */ +/* OBSOLETE if (err) */ +/* OBSOLETE { */ +/* OBSOLETE char message[100]; */ +/* OBSOLETE int xerr; */ +/* OBSOLETE */ +/* OBSOLETE xerr = UDIGetErrorMsg (err, 100, message, &Count); */ +/* OBSOLETE if (!xerr) */ +/* OBSOLETE fprintf_unfiltered (gdb_stderr, "Error is %s\n", message); */ +/* OBSOLETE else */ +/* OBSOLETE fprintf_unfiltered (gdb_stderr, "xerr is %d\n", xerr); */ +/* OBSOLETE error ("UDICopy failed, error = %d", err); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE entry.Space = UDI29KIRAMSpace; */ +/* OBSOLETE entry.Offset = bfd_get_start_address (pbfd); */ +/* OBSOLETE */ +/* OBSOLETE immediate_quit--; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Function to download an image into the remote target. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE udi_load (char *args, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE download (args, from_tty); */ +/* OBSOLETE */ +/* OBSOLETE /* As a convenience, pick up any symbol info that is in the program */ +/* OBSOLETE being loaded. Note that we assume that the program is the``mainline''; */ +/* OBSOLETE if this is not always true, then this code will need to be augmented. */ */ +/* OBSOLETE symbol_file_add (strtok (args, " \t"), from_tty, NULL, 1, 0); */ +/* OBSOLETE */ +/* OBSOLETE /* Getting new symbols may change our opinion about what is */ +/* OBSOLETE frameless. */ */ +/* OBSOLETE reinit_frame_cache (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /*************************************************** UDI_WRITE_INFERIOR_MEMORY */ +/* OBSOLETE ** Copy LEN bytes of data from debugger memory at MYADDR */ +/* OBSOLETE to inferior's memory at MEMADDR. Returns number of bytes written. */ */ +/* OBSOLETE static int */ +/* OBSOLETE udi_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int nwritten = 0; */ +/* OBSOLETE UDIUInt32 *From; */ +/* OBSOLETE UDIResource To; */ +/* OBSOLETE UDICount Count; */ +/* OBSOLETE UDISizeT Size = 1; */ +/* OBSOLETE UDICount CountDone = 0; */ +/* OBSOLETE UDIBool HostEndian = 0; */ +/* OBSOLETE */ +/* OBSOLETE To.Space = udi_memory_space (memaddr); */ +/* OBSOLETE From = (UDIUInt32 *) myaddr; */ +/* OBSOLETE */ +/* OBSOLETE while (nwritten < len) */ +/* OBSOLETE { */ +/* OBSOLETE Count = len - nwritten; */ +/* OBSOLETE if (Count > MAXDATA) */ +/* OBSOLETE Count = MAXDATA; */ +/* OBSOLETE To.Offset = memaddr + nwritten; */ +/* OBSOLETE if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE { */ +/* OBSOLETE error ("UDIWrite() failed in udi_write_inferior_memory"); */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE nwritten += CountDone; */ +/* OBSOLETE From += CountDone; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE return (nwritten); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /**************************************************** UDI_READ_INFERIOR_MEMORY */ +/* OBSOLETE ** Read LEN bytes from inferior memory at MEMADDR. Put the result */ +/* OBSOLETE at debugger address MYADDR. Returns number of bytes read. */ */ +/* OBSOLETE static int */ +/* OBSOLETE udi_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int nread = 0; */ +/* OBSOLETE UDIResource From; */ +/* OBSOLETE UDIUInt32 *To; */ +/* OBSOLETE UDICount Count; */ +/* OBSOLETE UDISizeT Size = 1; */ +/* OBSOLETE UDICount CountDone = 0; */ +/* OBSOLETE UDIBool HostEndian = 0; */ +/* OBSOLETE UDIError err; */ +/* OBSOLETE */ +/* OBSOLETE From.Space = udi_memory_space (memaddr); */ +/* OBSOLETE To = (UDIUInt32 *) myaddr; */ +/* OBSOLETE */ +/* OBSOLETE while (nread < len) */ +/* OBSOLETE { */ +/* OBSOLETE Count = len - nread; */ +/* OBSOLETE if (Count > MAXDATA) */ +/* OBSOLETE Count = MAXDATA; */ +/* OBSOLETE From.Offset = memaddr + nread; */ +/* OBSOLETE if (err = UDIRead (From, To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE { */ +/* OBSOLETE error ("UDIRead() failed in udi_read_inferior_memory"); */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE nread += CountDone; */ +/* OBSOLETE To += CountDone; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE return (nread); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /********************************************************************* WARNING */ +/* OBSOLETE */ */ +/* OBSOLETE udi_warning (int num) */ +/* OBSOLETE { */ +/* OBSOLETE error ("ERROR while loading program into remote TIP: $d\n", num); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /*****************************************************************************/ */ +/* OBSOLETE /* Fetch a single register indicatated by 'regno'. */ +/* OBSOLETE * Returns 0/-1 on success/failure. */ +/* OBSOLETE */ */ +/* OBSOLETE static void */ +/* OBSOLETE fetch_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE UDIResource From; */ +/* OBSOLETE UDIUInt32 To; */ +/* OBSOLETE UDICount Count = 1; */ +/* OBSOLETE UDISizeT Size = 4; */ +/* OBSOLETE UDICount CountDone; */ +/* OBSOLETE UDIBool HostEndian = 0; */ +/* OBSOLETE UDIError err; */ +/* OBSOLETE int result; */ +/* OBSOLETE */ +/* OBSOLETE if (regno == GR1_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE From.Space = UDI29KGlobalRegs; */ +/* OBSOLETE From.Offset = 1; */ +/* OBSOLETE } */ +/* OBSOLETE else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) */ +/* OBSOLETE { */ +/* OBSOLETE From.Space = UDI29KGlobalRegs; */ +/* OBSOLETE From.Offset = (regno - GR96_REGNUM) + 96;; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE #if defined(GR64_REGNUM) */ +/* OBSOLETE */ +/* OBSOLETE else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) */ +/* OBSOLETE { */ +/* OBSOLETE From.Space = UDI29KGlobalRegs; */ +/* OBSOLETE From.Offset = (regno - GR64_REGNUM) + 64; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE #endif /* GR64_REGNUM */ */ +/* OBSOLETE */ +/* OBSOLETE else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) */ +/* OBSOLETE { */ +/* OBSOLETE From.Space = UDI29KLocalRegs; */ +/* OBSOLETE From.Offset = (regno - LR0_REGNUM); */ +/* OBSOLETE } */ +/* OBSOLETE else if (regno >= FPE_REGNUM && regno <= EXO_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE int val = -1; */ +/* OBSOLETE /*supply_register(160 + (regno - FPE_REGNUM),(char *) &val); */ */ +/* OBSOLETE supply_register (regno, (char *) &val); */ +/* OBSOLETE return; /* Pretend Success */ */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE From.Space = UDI29KSpecialRegs; */ +/* OBSOLETE From.Offset = regnum_to_srnum (regno); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE if (err = UDIRead (From, &To, Count, Size, &CountDone, HostEndian)) */ +/* OBSOLETE error ("UDIRead() failed in udi_fetch_registers"); */ +/* OBSOLETE */ +/* OBSOLETE supply_register (regno, (char *) &To); */ +/* OBSOLETE */ +/* OBSOLETE if (remote_debug) */ +/* OBSOLETE fprintf_unfiltered (gdb_stdlog, "Fetching register %s = 0x%x\n", */ +/* OBSOLETE REGISTER_NAME (regno), To); */ +/* OBSOLETE } */ +/* OBSOLETE /*****************************************************************************/ */ +/* OBSOLETE /* Store a single register indicated by 'regno'. */ +/* OBSOLETE * Returns 0/-1 on success/failure. */ +/* OBSOLETE */ */ +/* OBSOLETE static int */ +/* OBSOLETE store_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE int result; */ +/* OBSOLETE UDIUInt32 From; */ +/* OBSOLETE UDIResource To; */ +/* OBSOLETE UDICount Count = 1; */ +/* OBSOLETE UDISizeT Size = 4; */ +/* OBSOLETE UDICount CountDone; */ +/* OBSOLETE UDIBool HostEndian = 0; */ +/* OBSOLETE */ +/* OBSOLETE From = read_register (regno); /* get data value */ */ +/* OBSOLETE */ +/* OBSOLETE if (remote_debug) */ +/* OBSOLETE fprintf_unfiltered (gdb_stdlog, "Storing register %s = 0x%x\n", */ +/* OBSOLETE REGISTER_NAME (regno), From); */ +/* OBSOLETE */ +/* OBSOLETE if (regno == GR1_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE To.Space = UDI29KGlobalRegs; */ +/* OBSOLETE To.Offset = 1; */ +/* OBSOLETE result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); */ +/* OBSOLETE /* Setting GR1 changes the numbers of all the locals, so invalidate the */ +/* OBSOLETE * register cache. Do this *after* calling read_register, because we want */ +/* OBSOLETE * read_register to return the value that write_register has just stuffed */ +/* OBSOLETE * into the registers array, not the value of the register fetched from */ +/* OBSOLETE * the inferior. */ +/* OBSOLETE */ */ +/* OBSOLETE registers_changed (); */ +/* OBSOLETE } */ +/* OBSOLETE #if defined(GR64_REGNUM) */ +/* OBSOLETE else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32) */ +/* OBSOLETE { */ +/* OBSOLETE To.Space = UDI29KGlobalRegs; */ +/* OBSOLETE To.Offset = (regno - GR64_REGNUM) + 64; */ +/* OBSOLETE result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); */ +/* OBSOLETE } */ +/* OBSOLETE #endif /* GR64_REGNUM */ */ +/* OBSOLETE else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) */ +/* OBSOLETE { */ +/* OBSOLETE To.Space = UDI29KGlobalRegs; */ +/* OBSOLETE To.Offset = (regno - GR96_REGNUM) + 96; */ +/* OBSOLETE result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); */ +/* OBSOLETE } */ +/* OBSOLETE else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) */ +/* OBSOLETE { */ +/* OBSOLETE To.Space = UDI29KLocalRegs; */ +/* OBSOLETE To.Offset = (regno - LR0_REGNUM); */ +/* OBSOLETE result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); */ +/* OBSOLETE } */ +/* OBSOLETE else if (regno >= FPE_REGNUM && regno <= EXO_REGNUM) */ +/* OBSOLETE return 0; /* Pretend Success */ */ +/* OBSOLETE else if (regno == PC_REGNUM) */ +/* OBSOLETE { */ +/* OBSOLETE /* PC1 via UDI29KPC */ */ +/* OBSOLETE */ +/* OBSOLETE To.Space = UDI29KPC; */ +/* OBSOLETE To.Offset = 0; /* PC1 */ */ +/* OBSOLETE result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); */ +/* OBSOLETE */ +/* OBSOLETE /* Writing to this loc actually changes the values of pc0 & pc1 */ */ +/* OBSOLETE */ +/* OBSOLETE register_valid[PC_REGNUM] = 0; /* pc1 */ */ +/* OBSOLETE register_valid[NPC_REGNUM] = 0; /* pc0 */ */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE /* An unprotected or protected special register */ */ +/* OBSOLETE { */ +/* OBSOLETE To.Space = UDI29KSpecialRegs; */ +/* OBSOLETE To.Offset = regnum_to_srnum (regno); */ +/* OBSOLETE result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE if (result != 0) */ +/* OBSOLETE error ("UDIWrite() failed in store_registers"); */ +/* OBSOLETE */ +/* OBSOLETE return 0; */ +/* OBSOLETE } */ +/* OBSOLETE /********************************************************** REGNUM_TO_SRNUM */ */ +/* OBSOLETE /* */ +/* OBSOLETE * Convert a gdb special register number to a 29000 special register number. */ +/* OBSOLETE */ */ +/* OBSOLETE static int */ +/* OBSOLETE regnum_to_srnum (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE switch (regno) */ +/* OBSOLETE { */ +/* OBSOLETE case VAB_REGNUM: */ +/* OBSOLETE return (0); */ +/* OBSOLETE case OPS_REGNUM: */ +/* OBSOLETE return (1); */ +/* OBSOLETE case CPS_REGNUM: */ +/* OBSOLETE return (2); */ +/* OBSOLETE case CFG_REGNUM: */ +/* OBSOLETE return (3); */ +/* OBSOLETE case CHA_REGNUM: */ +/* OBSOLETE return (4); */ +/* OBSOLETE case CHD_REGNUM: */ +/* OBSOLETE return (5); */ +/* OBSOLETE case CHC_REGNUM: */ +/* OBSOLETE return (6); */ +/* OBSOLETE case RBP_REGNUM: */ +/* OBSOLETE return (7); */ +/* OBSOLETE case TMC_REGNUM: */ +/* OBSOLETE return (8); */ +/* OBSOLETE case TMR_REGNUM: */ +/* OBSOLETE return (9); */ +/* OBSOLETE case NPC_REGNUM: */ +/* OBSOLETE return (USE_SHADOW_PC ? (20) : (10)); */ +/* OBSOLETE case PC_REGNUM: */ +/* OBSOLETE return (USE_SHADOW_PC ? (21) : (11)); */ +/* OBSOLETE case PC2_REGNUM: */ +/* OBSOLETE return (USE_SHADOW_PC ? (22) : (12)); */ +/* OBSOLETE case MMU_REGNUM: */ +/* OBSOLETE return (13); */ +/* OBSOLETE case LRU_REGNUM: */ +/* OBSOLETE return (14); */ +/* OBSOLETE case IPC_REGNUM: */ +/* OBSOLETE return (128); */ +/* OBSOLETE case IPA_REGNUM: */ +/* OBSOLETE return (129); */ +/* OBSOLETE case IPB_REGNUM: */ +/* OBSOLETE return (130); */ +/* OBSOLETE case Q_REGNUM: */ +/* OBSOLETE return (131); */ +/* OBSOLETE case ALU_REGNUM: */ +/* OBSOLETE return (132); */ +/* OBSOLETE case BP_REGNUM: */ +/* OBSOLETE return (133); */ +/* OBSOLETE case FC_REGNUM: */ +/* OBSOLETE return (134); */ +/* OBSOLETE case CR_REGNUM: */ +/* OBSOLETE return (135); */ +/* OBSOLETE case FPE_REGNUM: */ +/* OBSOLETE return (160); */ +/* OBSOLETE case INTE_REGNUM: */ +/* OBSOLETE return (161); */ +/* OBSOLETE case FPS_REGNUM: */ +/* OBSOLETE return (162); */ +/* OBSOLETE case EXO_REGNUM: */ +/* OBSOLETE return (164); */ +/* OBSOLETE default: */ +/* OBSOLETE return (255); /* Failure ? */ */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE /****************************************************************************/ */ +/* OBSOLETE /* */ +/* OBSOLETE * Determine the Target memory space qualifier based on the addr. */ +/* OBSOLETE * FIXME: Can't distinguis I_ROM/D_ROM. */ +/* OBSOLETE * FIXME: Doesn't know anything about I_CACHE/D_CACHE. */ +/* OBSOLETE */ */ +/* OBSOLETE static CPUSpace */ +/* OBSOLETE udi_memory_space (CORE_ADDR addr) */ +/* OBSOLETE { */ +/* OBSOLETE UDIUInt32 tstart = IMemStart; */ +/* OBSOLETE UDIUInt32 tend = tstart + IMemSize; */ +/* OBSOLETE UDIUInt32 dstart = DMemStart; */ +/* OBSOLETE UDIUInt32 dend = tstart + DMemSize; */ +/* OBSOLETE UDIUInt32 rstart = RMemStart; */ +/* OBSOLETE UDIUInt32 rend = tstart + RMemSize; */ +/* OBSOLETE */ +/* OBSOLETE if (((UDIUInt32) addr >= tstart) && ((UDIUInt32) addr < tend)) */ +/* OBSOLETE { */ +/* OBSOLETE return UDI29KIRAMSpace; */ +/* OBSOLETE } */ +/* OBSOLETE else if (((UDIUInt32) addr >= dstart) && ((UDIUInt32) addr < dend)) */ +/* OBSOLETE { */ +/* OBSOLETE return UDI29KDRAMSpace; */ +/* OBSOLETE } */ +/* OBSOLETE else if (((UDIUInt32) addr >= rstart) && ((UDIUInt32) addr < rend)) */ +/* OBSOLETE { */ +/* OBSOLETE /* FIXME: how do we determine between D_ROM and I_ROM */ */ +/* OBSOLETE return UDI29KIROMSpace; */ +/* OBSOLETE } */ +/* OBSOLETE else /* FIXME: what do me do now? */ */ +/* OBSOLETE return UDI29KDRAMSpace; /* Hmmm! */ */ +/* OBSOLETE } */ +/* OBSOLETE /*********************************************************************** STUBS */ +/* OBSOLETE */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE convert16 (void) */ +/* OBSOLETE {; */ +/* OBSOLETE } */ +/* OBSOLETE void */ +/* OBSOLETE convert32 (void) */ +/* OBSOLETE {; */ +/* OBSOLETE } */ +/* OBSOLETE struct ui_file *EchoFile = 0; /* used for debugging */ */ +/* OBSOLETE int QuietMode = 0; /* used for debugging */ */ +/* OBSOLETE */ +/* OBSOLETE #ifdef NO_HIF_SUPPORT */ +/* OBSOLETE service_HIF (union msg_t *msg) */ +/* OBSOLETE { */ +/* OBSOLETE return (0); /* Emulate a failure */ */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Target_ops vector. Not static because there does not seem to be */ +/* OBSOLETE any portable way to do a forward declaration of a static variable. */ +/* OBSOLETE The RS/6000 doesn't like "extern" followed by "static"; SunOS */ +/* OBSOLETE /bin/cc doesn't like "static" twice. */ */ +/* OBSOLETE */ +/* OBSOLETE struct target_ops udi_ops; */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE init_udi_ops (void) */ +/* OBSOLETE { */ +/* OBSOLETE udi_ops.to_shortname = "udi"; */ +/* OBSOLETE udi_ops.to_longname = "Remote UDI connected TIP"; */ +/* OBSOLETE udi_ops.to_doc = "Remote debug an AMD 29k using UDI socket connection to TIP process.\n\ */ +/* OBSOLETE Arguments are\n\ */ +/* OBSOLETE `configuration-id AF_INET hostname port-number'\n\ */ +/* OBSOLETE To connect via the network, where hostname and port-number specify the\n\ */ +/* OBSOLETE host and port where you can connect via UDI.\n\ */ +/* OBSOLETE configuration-id is unused.\n\ */ +/* OBSOLETE \n\ */ +/* OBSOLETE `configuration-id AF_UNIX socket-name tip-program'\n\ */ +/* OBSOLETE To connect using a local connection to the \"tip.exe\" program which is\n\ */ +/* OBSOLETE supplied by AMD. If socket-name specifies an AF_UNIX socket then the\n\ */ +/* OBSOLETE tip program must already be started; connect to it using that socket.\n\ */ +/* OBSOLETE If not, start up tip-program, which should be the name of the tip\n\ */ +/* OBSOLETE program. If appropriate, the PATH environment variable is searched.\n\ */ +/* OBSOLETE configuration-id is unused.\n\ */ +/* OBSOLETE \n\ */ +/* OBSOLETE `configuration-id'\n\ */ +/* OBSOLETE Look up the configuration in ./udi_soc or /etc/udi_soc, which\n\ */ +/* OBSOLETE are files containing lines in the above formats. configuration-id is\n\ */ +/* OBSOLETE used to pick which line of the file to use."; */ +/* OBSOLETE udi_ops.to_open = udi_open; */ +/* OBSOLETE udi_ops.to_close = udi_close; */ +/* OBSOLETE udi_ops.to_attach = udi_attach; */ +/* OBSOLETE udi_ops.to_detach = udi_detach; */ +/* OBSOLETE udi_ops.to_resume = udi_resume; */ +/* OBSOLETE udi_ops.to_wait = udi_wait; */ +/* OBSOLETE udi_ops.to_fetch_registers = udi_fetch_registers; */ +/* OBSOLETE udi_ops.to_store_registers = udi_store_registers; */ +/* OBSOLETE udi_ops.to_prepare_to_store = udi_prepare_to_store; */ +/* OBSOLETE udi_ops.to_xfer_memory = udi_xfer_inferior_memory; */ +/* OBSOLETE udi_ops.to_files_info = udi_files_info; */ +/* OBSOLETE udi_ops.to_insert_breakpoint = udi_insert_breakpoint; */ +/* OBSOLETE udi_ops.to_remove_breakpoint = udi_remove_breakpoint; */ +/* OBSOLETE udi_ops.to_terminal_init = 0; */ +/* OBSOLETE udi_ops.to_terminal_inferior = 0; */ +/* OBSOLETE udi_ops.to_terminal_ours_for_output = 0; */ +/* OBSOLETE udi_ops.to_terminal_ours = 0; */ +/* OBSOLETE udi_ops.to_terminal_info = 0; */ +/* OBSOLETE udi_ops.to_kill = udi_kill; */ +/* OBSOLETE udi_ops.to_load = udi_load; */ +/* OBSOLETE udi_ops.to_lookup_symbol = 0; */ +/* OBSOLETE udi_ops.to_create_inferior = udi_create_inferior; */ +/* OBSOLETE udi_ops.to_mourn_inferior = udi_mourn; */ +/* OBSOLETE udi_ops.to_can_run = 0; */ +/* OBSOLETE udi_ops.to_notice_signals = 0; */ +/* OBSOLETE udi_ops.to_thread_alive = 0; */ +/* OBSOLETE udi_ops.to_stop = 0; */ +/* OBSOLETE udi_ops.to_stratum = process_stratum; */ +/* OBSOLETE udi_ops.DONT_USE = 0; */ +/* OBSOLETE udi_ops.to_has_all_memory = 1; */ +/* OBSOLETE udi_ops.to_has_memory = 1; */ +/* OBSOLETE udi_ops.to_has_stack = 1; */ +/* OBSOLETE udi_ops.to_has_registers = 1; */ +/* OBSOLETE udi_ops.to_has_execution = 1; */ +/* OBSOLETE udi_ops.to_sections = 0; */ +/* OBSOLETE udi_ops.to_sections_end = 0; */ +/* OBSOLETE udi_ops.to_magic = OPS_MAGIC; */ +/* OBSOLETE }; */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE _initialize_remote_udi (void) */ +/* OBSOLETE { */ +/* OBSOLETE init_udi_ops (); */ +/* OBSOLETE add_target (&udi_ops); */ +/* OBSOLETE } */ -- 2.30.2