coff-mips.c
coff-msym.c
coff-rs6000.c
+coff-sh.c
coff-we32k.c
coff-z8k.c
coffcode.h
cpu-i960.c
cpu-m88k.c
cpu-rs6000.c
+cpu-sh.c
cpu-we32k.c
cpu-z8k.c
hp300bsd.c
+Mon Apr 26 13:24:43 1993 Steve Chamberlain (sac@thepub.cygnus.com)
+
+ * Makefile.in, archures.c, coffcode.h, targets.c: Support for
+ Hitachi SH.
+
Mon Apr 26 13:55:42 1993 Jim Kingdon (kingdon@cygnus.com)
* trad-core.c (trad_unix_core_file_p): Check the file size.
BFD_MACHINES = cpu-h8300.o cpu-i960.o cpu-sparc.o cpu-m68k.o cpu-m88k.o \
cpu-vax.o cpu-mips.o cpu-a29k.o cpu-i386.o cpu-rs6000.o cpu-hppa.o \
- cpu-z8k.o cpu-we32k.o cpu-h8500.o
+ cpu-z8k.o cpu-we32k.o cpu-h8500.o cpu-alpha.o cpu-sh.o
BFD_BACKENDS = aout32.o sunos.o newsos3.o mipsbsd.o aout-adobe.o \
i386aout.o i386bsd.o i386linux.o \
coff-mips.o coff-msym.o \
elf32.o elf32-sparc.o elf32-i386.o elf32-i860.o elf32-m68k.o \
bout.o \
- hppa.o oasys.o ieee.o srec.o stab-syms.o
+ hppa.o oasys.o ieee.o srec.o stab-syms.o coff-alpha.o coff-sh.o
OPTIONAL_BACKENDS = trad-core.o
cpu-m88k.c cpu-vax.c cpu-mips.c cpu-a29k.c cpu-i386.c \
cpu-rs6000.c coff-h8300.c hppa.c cpu-hppa.c cpu-we32k.c reloc16.c \
mipsbsd.c \
- elf32.c elf32-sparc.c elf32-i386.c elf32-i860.c elf32-m68k.c
+ elf32.c elf32-sparc.c elf32-i386.c elf32-i860.c elf32-m68k.c \
+ coff-alpha.c cpu-alpha.c
STAGESTUFF = $(TARGETLIB) $(OFILES)
installcheck:
info dvi : force
- @$(MAKE) subdir_do DO=info "DODIRS=$(SUBDIRS)" $(FLAGS_TO_PASS)
+ @$(MAKE) subdir_do DO=$@ "DODIRS=$(SUBDIRS)" $(FLAGS_TO_PASS)
clean-info:
@$(MAKE) subdir_do DO=clean-info "DODIRS=$(SUBDIRS)" $(FLAGS_TO_PASS)
libbfd.o : libbfd.c $(INCDIR)/bfd.h $(INCDIR)/obstack.h libbfd.h
opncls.o : opncls.c $(INCDIR)/bfd.h $(INCDIR)/obstack.h libbfd.h
-bfd.o : bfd.c $(INCDIR)/bfd.h $(INCDIR)/obstack.h libbfd.h
+bfd.o : bfd.c $(INCDIR)/bfd.h $(INCDIR)/obstack.h libbfd.h \
+ $(INCDIR)/coff/sym.h libecoff.h
archive.o : archive.c $(INCDIR)/bfd.h $(INCDIR)/obstack.h libbfd.h \
$(INCDIR)/aout/ar.h $(INCDIR)/aout/ranlib.h
targets.o : targets.c $(INCDIR)/bfd.h $(INCDIR)/obstack.h libbfd.h
}
else if (!strcmp (sec_name, _LIT))
{
- stype_flags = STYP_LIT;
+ styp_flags = STYP_LIT;
#endif /* _LIT */
}
break;
#endif
+#ifdef SHMAGIC
+ case SHMAGIC:
+ arch = bfd_arch_sh;
+ machine = 0;
+ break;
+#endif
+
#ifdef H8500MAGIC
case H8500MAGIC:
arch = bfd_arch_h8500;
return true;
break;
#endif
+
+#ifdef SHMAGIC
+ case bfd_arch_sh:
+ *magicp = SHMAGIC;
+ return true;
+ break;
+#endif
+
#ifdef H8500MAGIC
case bfd_arch_h8500:
*magicp = H8500MAGIC;
# convention, else the table becomes a real mess to understand and maintain.
case "${target}" in
+ alpha-*-*) bfd_target=alphaosf ;;
a29k-*-ebmon) bfd_target=a29k-coff ;;
a29k-*-udi) bfd_target=a29k-coff ;;
a29k-*-aout) bfd_target=a29k-aout ;;
a29k-*-coff) bfd_target=a29k-coff ;;
a29k-*-sym1) bfd_target=a29k-coff ;;
h8300-*-*) bfd_target=h8300-coff ;;
+ h8500-*-*) bfd_target=h8500-coff ;;
+ sh-*-*) bfd_target=sh-coff ;;
hppa*-*-bsd) bfd_target=hppabsd ;;
hppa*-*-hpux) bfd_target=hppahpux ;;
i[34]86-*-sysv4*) bfd_target=i386-elf ;;
m68*-ericsson-*) bfd_target=m68k-aout ;;
m68*-netx-*) bfd_target=m68k-aout ;;
m88k-*-*) bfd_target=m88k-coff ;;
- mips-big-*) bfd_target=irix3 ;;
+ mips-big-*) bfd_target=bigmips ;;
mips-dec-bsd*) bfd_target=mipsdecbsd ;;
mips-dec-*) bfd_target=decstation ;;
- mips-sgi-*) bfd_target=irix3 ;;
+ mips-*-ecoff) bfd_target=bigmips ;;
+ mips-sgi-*) bfd_target=bigmips ;;
rs6000-*-*) bfd_target=rs6000 ;;
sparc-*-solaris2*) bfd_target=sparc-elf ;;
sparc-*-sysv4*) bfd_target=sparc-elf ;;
ser-unix.c
serial.c
serial.h
+sh-tdep.c
signals.h
solib.c
solib.h
+Mon Apr 26 17:59:38 1993 Steve Chamberlain (sac@thepub.cygnus.com)
+
+ * config/sh/sh.mt, config/sh/tm-sh.h, sh-tdep.c: New files.
+
Mon Apr 26 07:13:32 1993 Jim Kingdon (kingdon@cygnus.com)
* rs6000-tdep.c (branch_dest): Deal with stepping through system call.
pyr
romp
rs6000
+sh
sparc
tahoe
tm-sunos.h
--- /dev/null
+# Each directory to survive it's way into a release will need a file
+# like this one called "./.Sanitize". All keyword lines must exist,
+# and must exist in the order specified by this file. Each directory
+# in the tree will be processed, top down, in the following order.
+
+# Hash started lines like this one are comments and will be deleted
+# before anything else is done. Blank lines will also be squashed
+# out.
+
+# The lines between the "Do-first:" line and the "Things-to-keep:"
+# line are executed as a /bin/sh shell script before anything else is
+# done in this
+
+Do-first:
+
+# All files listed between the "Things-to-keep:" line and the
+# "Files-to-sed:" line will be kept. All other files will be removed.
+# Directories listed in this section will have their own Sanitize
+# called. Directories not listed will be removed in their entirety
+# with rm -rf.
+
+Things-to-keep:
+
+sh.mt
+tm-sh.h
+
+Do-last:
+
+# End of file.
--- /dev/null
+# Target: Hitachi Super-H ICE and simulator
+TDEPFILES= exec.o sh-tdep.o remote-sim.o ../sim/sh/interp.o ../sim/sh/table.o
+TM_FILE= tm-sh.h
--- /dev/null
+/* Parameters for execution on a Hitachi Super-H machine.
+ Copyright (C) 1993 Free Software Foundation, Inc.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* Contributed by Steve Chamberlain sac@cygnus.com */
+
+#define GDB_TARGET_IS_SH
+
+#define IEEE_FLOAT 1
+
+/* Define the bit, byte, and word ordering of the machine. */
+
+#define TARGET_BYTE_ORDER BIG_ENDIAN
+
+
+/* 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. */
+
+extern CORE_ADDR sh_skip_prologue ();
+#define SKIP_PROLOGUE(ip) \
+ {(ip) = sh_skip_prologue(ip);}
+
+
+/* Immediately after a function call, return the saved pc.
+ Can't always go through the frames for this because on some machines
+ the new frame is not set up until the new function executes
+ some instructions.
+
+ The return address is the value saved in the PR register + 4 */
+
+#define SAVED_PC_AFTER_CALL(frame) \
+ (ADDR_BITS_REMOVE(read_register(PR_REGNUM))+4)
+
+/* Stack grows downward. */
+
+#define INNER_THAN <
+
+/* Illegal instruction - used by the simulator for breakpoint
+ detection */
+
+#define BREAKPOINT {0xc3, 0xff} /* 0xc3ff is trapa #ff */
+
+
+/* If your kernel resets the pc after the trap happens you may need to
+ define this before including this file. */
+#define DECR_PC_AFTER_BREAK 0
+
+/* Nonzero if instruction at PC is a return instruction. */
+#define ABOUT_TO_RETURN(pc) (read_memory_integer(pc,2) == 0x000b)
+
+/* Return 1 if P points to an invalid floating point value. */
+
+#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
+
+/* Say how long registers are. */
+#define REGISTER_TYPE long
+
+/* Say how much memory is needed to store a copy of the register set */
+#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. */
+
+#define REGISTER_RAW_SIZE(N) 4
+
+#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
+
+/* Nonzero if register N requires conversion
+ from raw format to virtual format. */
+
+#define REGISTER_CONVERTIBLE(N) (0)
+
+/* Convert data from raw format for register REGNUM
+ to virtual format for register REGNUM. */
+
+#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \
+ { memcpy ((TO), (FROM), 4); }
+
+/* Convert data from virtual format for register REGNUM
+ to raw format for register REGNUM. */
+
+#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \
+ { memcpy ((TO), (FROM), 4); }
+
+/* Return the GDB type object for the "standard" data type
+ of data in register N. */
+
+#define REGISTER_VIRTUAL_TYPE(N) builtin_type_int
+
+/* Initializer for an array of names of registers.
+ Entries beyond the first NUM_REGS are ignored. */
+
+#define REGISTER_NAMES \
+ {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
+ "r8", "r9", "r10","r11","r12","r13","r14","r15",\
+ "pc", "pr","gbr","vbr","mach","macl","sr","ticks","cycles","insts" }
+
+#define NUM_REGS 25
+
+/* Register numbers of various important registers.
+ Note that some of these values are "real" register numbers,
+ and correspond to the general registers of the machine,
+ and some are "phony" register numbers which are too large
+ to be actual register numbers as far as the user is concerned
+ but do serve to get the desired values when passed to read_register. */
+
+#define FP_REGNUM 14
+#define SP_REGNUM 15
+#define PC_REGNUM 16
+#define PR_REGNUM 17
+#define GBR_REGNUM 18
+#define VBR_REGNUM 19
+#define MACH_REGNUM 20
+#define MACL_REGNUM 21
+#define CR_REGNUM 22
+
+/* Store the address of the place in which to copy the structure the
+ subroutine will return. This is called from call_function.
+
+ We store structs through a pointer passed in R4 */
+
+#define STORE_STRUCT_RETURN(ADDR, SP) \
+ { write_register (4, (ADDR)); }
+
+/* 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) \
+ bcopy ((char *)(REGBUF), VALBUF, TYPE_LENGTH(TYPE))
+
+
+/* Write into appropriate registers a function return value
+ of type TYPE, given in virtual format.
+
+ Things always get returned in R4/R5 */
+
+#define STORE_RETURN_VALUE(TYPE,VALBUF) \
+ write_register_bytes (REGISTER_BYTE(4), VALBUF, TYPE_LENGTH (TYPE))
+
+
+/* Extract from an array REGBUF containing the (raw) register state
+ the address in which a function should return its structure value,
+ as a CORE_ADDR (or an expression that can be used as one). */
+
+#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF))
+\f
+
+/* Define other aspects of the stack frame.
+ we keep a copy of the worked out return pc lying around, since it
+ is a useful bit of info */
+
+#define EXTRA_FRAME_INFO \
+ CORE_ADDR return_pc;
+
+#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
+ init_extra_frame_info(fromleaf, fi)
+
+/* A macro that tells us whether the function invocation represented
+ by FI does not have a frame on the stack associated with it. If it
+ does not, FRAMELESS is set to 1, else 0. */
+
+#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
+ (FRAMELESS) = frameless_look_for_prologue(FI)
+
+CORE_ADDR h8500_frame_chain (/* FRAME thisframe */);
+
+#define FRAME_CHAIN(FRAME) sh_frame_chain(FRAME)
+#define FRAME_SAVED_PC(FRAME) ((FRAME)->return_pc)
+#define FRAME_ARGS_ADDRESS(fi) (fi)->frame
+#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame
+
+/* Set VAL to the number of args passed to frame described by FI.
+ Can set VAL to -1, meaning no way to tell. */
+
+/* We can't tell how many args there are */
+
+#define FRAME_NUM_ARGS(val,fi) (val = -1)
+
+/* Return number of bytes at start of arglist that are not really args. */
+
+#define FRAME_ARGS_SKIP 0
+
+/* Put here the code to store, into a struct frame_saved_regs,
+ the addresses of the saved registers of frame described by FRAME_INFO.
+ This includes special registers such as pc and fp saved in special
+ ways in the stack frame. sp is even more special:
+ the address we return for it IS the sp for the next frame. */
+
+#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
+ frame_find_saved_regs(frame_info, &(frame_saved_regs))
+
+#define NAMES_HAVE_UNDERSCORE
+
+typedef unsigned short INSN_WORD;
+
+#define ADDR_BITS_REMOVE(addr) ((addr) & 0xfffff)
+#define ADDR_BITS_SET(addr) (addr)
+
+#define CALL_DUMMY_LENGTH 10
+
+/* Discard from the stack the innermost frame,
+ restoring all saved registers. */
+
+#define POP_FRAME pop_frame();
+
h8300-*-*) gdb_target=h8300hms ;;
h8500-*-*) gdb_target=h8500hms ;;
+sh-*-*) gdb_target=sh ;;
+
hppa*-*-bsd) gdb_target=hppabsd ;;
hppa*-*-hpux) gdb_target=hppahpux ;;
--- /dev/null
+/* Target-machine dependent code for Hitachi Super-H, for GDB.
+ Copyright (C) 1993 Free Software Foundation, Inc.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/*
+ Contributed by Steve Chamberlain
+ sac@cygnus.com
+ */
+
+#include "defs.h"
+#include "frame.h"
+#include "obstack.h"
+#include "symtab.h"
+#include "gdbtypes.h"
+#include "gdbcmd.h"
+#include "value.h"
+#include "dis-asm.h"
+#include "../opcodes/sh-opc.h"
+
+
+/* Prologue looks like
+ [mov.l <regs>,@-r15]...
+ [sts.l pr,@-r15]
+ [mov.l r14,@-r15]
+ [mov r15,r14]
+*/
+
+#define IS_STS(x) ((x) == 0x4f22)
+#define IS_PUSH(x) (((x) & 0xff0f) == 0x2f06)
+#define GET_PUSHED_REG(x) (((x) >> 4) & 0xf)
+#define IS_MOV_SP_FP(x) ((x) == 0x6ef3)
+#define IS_ADD_SP(x) (((x) & 0xff00) == 0x7f00)
+
+
+/* Skip any prologue before the guts of a function */
+
+CORE_ADDR
+sh_skip_prologue (start_pc)
+ CORE_ADDR start_pc;
+
+{
+ int w;
+
+ w = read_memory_integer (start_pc, 2);
+ while (IS_STS (w)
+ || IS_PUSH (w)
+ || IS_MOV_SP_FP (w))
+ {
+ start_pc += 2;
+ w = read_memory_integer (start_pc, 2);
+ }
+
+ return start_pc;
+}
+
+/* Disassemble an instruction */
+
+int
+print_insn (memaddr, stream)
+ CORE_ADDR memaddr;
+ FILE *stream;
+{
+ disassemble_info info;
+ GDB_INIT_DISASSEMBLE_INFO (info, stream);
+ return print_insn_sh (memaddr, &info);
+}
+
+/* Given a GDB frame, determine the address of the calling function's frame.
+ This will be used to create a new GDB frame struct, and then
+ INIT_EXTRA_FRAME_INFO and INIT_FRAME_PC will be called for the new frame.
+
+ For us, the frame address is its stack pointer value, so we look up
+ the function prologue to determine the caller's sp value, and return it. */
+
+FRAME_ADDR
+sh_frame_chain (thisframe)
+ FRAME thisframe;
+{
+ if (!inside_entry_file (thisframe->pc))
+ return (read_memory_integer (FRAME_FP (thisframe), 4));
+ else
+ return 0;
+}
+
+/* Put here the code to store, into a struct frame_saved_regs,
+ the addresses of the saved registers of frame described by FRAME_INFO.
+ This includes special registers such as pc and fp saved in special
+ ways in the stack frame. sp is even more special:
+ the address we return for it IS the sp for the next frame. */
+
+
+void
+frame_find_saved_regs (fi, fsr)
+ struct frame_info *fi;
+ struct frame_saved_regs *fsr;
+{
+ int where[16];
+ int rn;
+ int have_fp = 0;
+ int depth;
+ int pc;
+ int opc;
+ int insn;
+
+ opc = pc = get_pc_function_start (fi->pc);
+
+ insn = read_memory_integer (pc, 2);
+
+ for (rn = 0; rn < NUM_REGS; rn++)
+ where[rn] = -1;
+
+ depth = 0;
+
+ /* Loop around examining the prologue insns, but give up
+ after 15 of them, since we're getting silly then */
+ while (pc < opc + 15 * 2)
+ {
+ /* See where the registers will be saved to */
+ if (IS_PUSH (insn))
+ {
+ pc += 2;
+ rn = GET_PUSHED_REG (insn);
+ where[rn] = depth;
+ insn = read_memory_integer (pc, 2);
+ depth += 4;
+ }
+ else if (IS_STS (insn))
+ {
+ pc += 2;
+ where[PR_REGNUM] = depth;
+ insn = read_memory_integer (pc, 2);
+ depth += 4;
+ }
+ else if (IS_ADD_SP (insn))
+ {
+ pc += 2;
+ depth += -((char) (insn & 0xff));
+ insn = read_memory_integer (pc, 2);
+ }
+ else break;
+ }
+
+ /* Now we know how deep things are, we can work out their addresses */
+
+ for (rn = 0; rn < NUM_REGS; rn++)
+ {
+ if (where[rn] >= 0)
+ {
+ if (rn == FP_REGNUM)
+ have_fp = 1;
+
+ fsr->regs[rn] = fi->frame - where[rn] + depth - 4;
+ }
+ else
+ {
+ fsr->regs[rn] = 0;
+ }
+ }
+
+ if (have_fp)
+ {
+
+ fsr->regs[SP_REGNUM] = read_memory_integer (fsr->regs[FP_REGNUM], 4);
+ }
+ else
+ {
+ fsr->regs[SP_REGNUM] = fi->frame - 4;
+ }
+
+ /* Remember the address of the frame pointer */
+
+ /* Work out the return pc - either from the saved pr or the pr
+ value */
+
+ if (fsr->regs[PR_REGNUM])
+ {
+ fi->return_pc = read_memory_integer (fsr->regs[PR_REGNUM], 4) + 4;
+ }
+ else
+ {
+ fi->return_pc = read_register (PR_REGNUM) + 4;
+ }
+}
+
+/* initialize the extra info saved in a FRAME */
+
+void
+init_extra_frame_info (fromleaf, fi)
+ int fromleaf;
+ struct frame_info *fi;
+{
+ struct frame_saved_regs dummy;
+ frame_find_saved_regs (fi, &dummy);
+}
+
+
+/* Discard from the stack the innermost frame,
+ restoring all saved registers. */
+
+void
+pop_frame ()
+{
+ register FRAME frame = get_current_frame ();
+ register CORE_ADDR fp;
+ register int regnum;
+ struct frame_saved_regs fsr;
+ struct frame_info *fi;
+
+ fi = get_frame_info (frame);
+ fp = fi->frame;
+ get_frame_saved_regs (fi, &fsr);
+
+ /* Copy regs from where they were saved in the frame */
+ for (regnum = 0; regnum < NUM_REGS; regnum++)
+ {
+ if (fsr.regs[regnum])
+ {
+ write_register (regnum, read_memory_integer (fsr.regs[regnum], 4));
+ }
+ }
+
+ write_register (PC_REGNUM, fi->return_pc);
+ write_register (SP_REGNUM, fp + 4);
+ flush_cached_frames ();
+ set_current_frame (create_new_frame (read_register (FP_REGNUM),
+ read_pc ()));
+}
projects / binutils-gdb.git / commitdiff