but not the others.
* symm-tdep.c: Remove exec_file_command.
[_SEQUENT_] (ptx_coff_regno_to_gdb, register_addr): New functions.
A few miscellaneous cleanups.
* symm-nat.c: Renamed from symm-xdep.c.
* All symmetry dependent files: Many changes.
Sun Jul 18 15:22:45 1993 Jim Kingdon (kingdon@rtl.cygnus.com)
+ * infptrace.c: Split out define of PT_KILL; Sequent defines PT_KILL
+ but not the others.
+ * symm-tdep.c: Remove exec_file_command.
+ [_SEQUENT_] (ptx_coff_regno_to_gdb, register_addr): New functions.
+ A few miscellaneous cleanups.
+ * symm-nat.c: Renamed from symm-xdep.c.
+
* mips-tdep.c (mips_skip_prologue): New argument lenient.
Use read_memory_nobpt.
(is_delayed, mips_in_lenient_prologue): New functions.
remote-udi.c remote-vx.c remote-z8k.c rs6000-nat.c rs6000-pinsn.c \
rs6000-tdep.c ser-go32.c ser-tcp.c sh-tdep.c solib.c sparc-nat.c \
sparc-pinsn.c sparc-tdep.c sun3-nat.c sun386-nat.c symm-tdep.c \
- symm-xdep.c tahoe-pinsn.c ultra3-nat.c ultra3-xdep.c umax-xdep.c \
+ symm-nat.c tahoe-pinsn.c ultra3-nat.c ultra3-xdep.c umax-xdep.c \
vax-pinsn.c vx-share/xdr_ld.c vx-share/xdr_ptrace.c vx-share/xdr_rdb.c \
xcoffexec.c xcoffread.c xcoffsolib.c z8k-tdep.c
language.h objfiles.h symfile.h $(symtab_h) target.h
symm-tdep.o: symm-tdep.c $(defs_h) $(gdbcore_h) $(inferior_h)
-symm-xdep.o: symm-xdep.c $(defs_h) $(gdbcore_h) $(inferior_h)
+symm-nat.o: symm-nat.c $(defs_h) $(gdbcore_h) $(inferior_h)
symmisc.o: symmisc.c $(bfd_h) $(breakpoint_h) $(command_h) $(defs_h) \
$(expression_h) $(gdbtypes_h) language.h objfiles.h symfile.h \
# Host: Sequent Symmetry running Dynix 3.0, with Weitek 1167 or i387.
-XDEPFILES= infptrace.o inftarg.o fork-child.o symm-xdep.o
+XDEPFILES= infptrace.o inftarg.o fork-child.o symm-nat.o
XM_FILE= xm-symmetry.h
# Target: Sequent Symmetry running Dynix 3.0, with Weitek 1167 or i387.
-TDEPFILES= symm-tdep.o i386-pinsn.o
+TDEPFILES= symm-tdep.o i386-pinsn.o i387-tdep.o
TM_FILE= tm-symmetry.h
/* Return number of args passed to a frame.
Can return -1, meaning no way to tell. */
-#define FRAME_NUM_ARGS(numargs, fi) (numargs) = i386_frame_num_args(fi)
+#define FRAME_NUM_ARGS(numargs, fi) (numargs) = -1
#ifdef __STDC__ /* Forward decl's for prototypes */
struct frame_info;
/* Target machine definitions for GDB on a Sequent Symmetry under dynix 3.0,
with Weitek 1167 and i387 support.
Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
- Symmetry version by Jay Vosburgh (uunet!sequent!fubar).
+ Symmetry version by Jay Vosburgh (fubar@sequent.com).
This file is part of GDB.
/* I don't know if this will work for cross-debugging, even if you do get
a copy of the right include file. */
+#ifdef _SEQUENT_
+/* ptx */
+#include <sys/reg.h>
+#else
+/* dynix */
#include <machine/reg.h>
+#endif
-#define TARGET_BYTE_ORDER LITTLE_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. From m-i386.h */
-
-#define SKIP_PROLOGUE(frompc) {(frompc) = i386_skip_prologue((frompc));}
-
-extern int
-i386_skip_prologue PARAMS ((int));
-
-/* 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. */
-
-#define SAVED_PC_AFTER_CALL(frame) \
- read_memory_integer(read_register(SP_REGNUM), 4)
-
-/* I don't know the real values for these. */
-#define TARGET_UPAGES UPAGES
-#define TARGET_NBPG NBPG
-
-/* Address of end of stack space. */
-
-#define STACK_END_ADDR (0x40000000 - (TARGET_UPAGES * TARGET_NBPG))
-
-/* Stack grows downward. */
-
-#define INNER_THAN <
-
-/* Sequence of bytes for breakpoint instruction. */
+#ifdef _SEQUENT_
+/* ptx, not dynix */
+#define SDB_REG_TO_REGNUM(value) ptx_coff_regno_to_gdb(value)
+extern int ptx_coff_regno_to_gdb();
+#endif /* _SEQUENT_ */
-#define BREAKPOINT {0xcc}
+#define START_INFERIOR_TRAPS_EXPECTED 2
/* Amount PC must be decremented by after a breakpoint.
This is often the number of bytes in BREAKPOINT
#define DECR_PC_AFTER_BREAK 0
+#include "i386/tm-i386v.h"
+
/* Nonzero if instruction at PC is a return instruction. */
/* For Symmetry, this is really the 'leave' instruction, which */
/* is right before the ret */
+#undef
#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0xc9)
-/* Return 1 if P points to an invalid floating point value.
-*/
-
-#define INVALID_FLOAT(p, len) (0)
-
#if 0
--- this code can't be used unless we know we are running native,
since it uses host specific ptrace calls.
#define FLOAT_INFO { i386_float_info(); }
#endif
-/* Say how long (ordinary) registers are. */
-
-#define REGISTER_TYPE long
-
/* Number of machine registers */
+#undef NUM_REGS
#define NUM_REGS 49
/* Initializer for an array of names of registers.
Also note that the st(0)...st(7) 387 registers are represented as
st0...st7. */
+#undef REGISTER_NAMES
#define REGISTER_NAMES { "eax", "edx", "ecx", "st0", "st1", \
"ebx", "esi", "edi", "st2", "st3", \
"st4", "st5", "st6", "st7", "esp", \
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 EAX_REGNUM 0
+#define EDX_REGNUM 1
+#define ECX_REGNUM 2
+#define ST0_REGNUM 3
+#define ST1_REGNUM 4
+#define EBX_REGNUM 5
+#define ESI_REGNUM 6
+#define EDI_REGNUM 7
+#define ST2_REGNUM 8
+#define ST3_REGNUM 9
+
+#define ST4_REGNUM 10
+#define ST5_REGNUM 11
+#define ST6_REGNUM 12
+#define ST7_REGNUM 13
+
#define FP1_REGNUM 18 /* first 1167 register */
+/* Get %fp2 - %fp31 by addition, since they are contiguous */
+
+#undef SP_REGNUM
#define SP_REGNUM 14 /* Contains address of top of stack */
+#undef FP_REGNUM
#define FP_REGNUM 15 /* Contains address of executing stack frame */
+#undef PC_REGNUM
#define PC_REGNUM 16 /* Contains program counter */
+#undef PS_REGNUM
#define PS_REGNUM 17 /* Contains processor status */
+#ifndef _SEQUENT_
+/* dynix, not ptx. For ptx, see register_addr in symm-tdep.c */
+
+/* The magic numbers below are offsets into u_ar0 in the user struct.
+ * They live in <machine/reg.h>. Gdb calls this macro with blockend
+ * holding u.u_ar0 - KERNEL_U_ADDR. Only the registers listed are
+ * saved in the u area (along with a few others that aren't useful
+ * here. See <machine/reg.h>).
+ */
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+{ struct user foo; /* needed for finding fpu regs */ \
+switch (regno) { \
+ case 0: \
+ addr = blockend + EAX * sizeof(int); break; \
+ case 1: \
+ addr = blockend + EDX * sizeof(int); break; \
+ case 2: \
+ addr = blockend + ECX * sizeof(int); break; \
+ case 3: /* st(0) */ \
+ addr = blockend - \
+ ((int)&foo.u_fpusave.fpu_stack[0][0] - (int)&foo); \
+ break; \
+ case 4: /* st(1) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[1][0] - (int)&foo); \
+ break; \
+ case 5: \
+ addr = blockend + EBX * sizeof(int); break; \
+ case 6: \
+ addr = blockend + ESI * sizeof(int); break; \
+ case 7: \
+ addr = blockend + EDI * sizeof(int); break; \
+ case 8: /* st(2) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[2][0] - (int)&foo); \
+ break; \
+ case 9: /* st(3) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[3][0] - (int)&foo); \
+ break; \
+ case 10: /* st(4) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[4][0] - (int)&foo); \
+ break; \
+ case 11: /* st(5) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[5][0] - (int)&foo); \
+ break; \
+ case 12: /* st(6) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[6][0] - (int)&foo); \
+ break; \
+ case 13: /* st(7) */ \
+ addr = blockend - \
+ ((int) &foo.u_fpusave.fpu_stack[7][0] - (int)&foo); \
+ break; \
+ case 14: \
+ addr = blockend + ESP * sizeof(int); break; \
+ case 15: \
+ addr = blockend + EBP * sizeof(int); break; \
+ case 16: \
+ addr = blockend + EIP * sizeof(int); break; \
+ case 17: \
+ addr = blockend + FLAGS * sizeof(int); break; \
+ case 18: /* fp1 */ \
+ case 19: /* fp2 */ \
+ case 20: /* fp3 */ \
+ case 21: /* fp4 */ \
+ case 22: /* fp5 */ \
+ case 23: /* fp6 */ \
+ case 24: /* fp7 */ \
+ case 25: /* fp8 */ \
+ case 26: /* fp9 */ \
+ case 27: /* fp10 */ \
+ case 28: /* fp11 */ \
+ case 29: /* fp12 */ \
+ case 30: /* fp13 */ \
+ case 31: /* fp14 */ \
+ case 32: /* fp15 */ \
+ case 33: /* fp16 */ \
+ case 34: /* fp17 */ \
+ case 35: /* fp18 */ \
+ case 36: /* fp19 */ \
+ case 37: /* fp20 */ \
+ case 38: /* fp21 */ \
+ case 39: /* fp22 */ \
+ case 40: /* fp23 */ \
+ case 41: /* fp24 */ \
+ case 42: /* fp25 */ \
+ case 43: /* fp26 */ \
+ case 44: /* fp27 */ \
+ case 45: /* fp28 */ \
+ case 46: /* fp29 */ \
+ case 47: /* fp30 */ \
+ case 48: /* fp31 */ \
+ addr = blockend - \
+ ((int) &foo.u_fpasave.fpa_regs[(regno)-18] - (int)&foo); \
+ } \
+}
+#endif /* _SEQUENT_ */
+\f
/* Total amount of space needed to store our copies of the machine's
register state, the array `registers'. */
/* 10 i386 registers, 8 i387 registers, and 31 Weitek 1167 registers */
+#undef REGISTER_BYTES
#define REGISTER_BYTES ((10 * 4) + (8 * 10) + (31 * 4))
/* Index within `registers' of the first byte of the space for
register N. */
+#undef REGISTER_BYTE
#define REGISTER_BYTE(N) \
((N < 3) ? (N * 4) : \
(N < 5) ? (((N - 2) * 10) + 2) : \
* which are 80 bits each.
*/
+#undef REGISTER_RAW_SIZE
#define REGISTER_RAW_SIZE(N) \
((N < 3) ? 4 : \
(N < 5) ? 10 : \
(N < 14) ? 10 : \
4)
-/* Number of bytes of storage in the program's representation
- for register N. On the vax, all regs are 4 bytes. */
-
-#define REGISTER_VIRTUAL_SIZE(N) 4
-
/* Largest value REGISTER_RAW_SIZE can have. */
+#undef MAX_REGISTER_RAW_SIZE
#define MAX_REGISTER_RAW_SIZE 10
-/* 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. */
+#undef REGISTER_CONVERTIBLE
#define REGISTER_CONVERTIBLE(N) \
((N < 3) ? 0 : \
(N < 5) ? 1 : \
/* Convert data from raw format for register REGNUM
to virtual format for register REGNUM. */
+#undef REGISTER_CONVERT_TO_VIRTUAL
#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \
((REGNUM < 3) ? bcopy ((FROM), (TO), 4) : \
(REGNUM < 5) ? i387_to_double((FROM), (TO)) : \
/* Convert data from virtual format for register REGNUM
to raw format for register REGNUM. */
+#undef REGISTER_CONVERT_TO_RAW
#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \
((REGNUM < 3) ? bcopy ((FROM), (TO), 4) : \
(REGNUM < 5) ? double_to_i387((FROM), (TO)) : \
/* Return the GDB type object for the "standard" data type
of data in register N. */
+#undef REGISTER_VIRTUAL_TYPE
#define REGISTER_VIRTUAL_TYPE(N) \
((N < 3) ? builtin_type_int : \
(N < 5) ? builtin_type_double : \
(N < 14) ? builtin_type_double : \
builtin_type_int)
-/* from m-i386.h */
+/* from m-i386.h (now known as tm-i386v.h). */
/* Store the address of the place in which to copy the structure the
- subroutine will return. This is called from call_function. */
+ subroutine will return. This is called from call_function. FIXME:
+ Why is it writing register 0? Is the symmetry different from tm-i386v.h,
+ or is it some sort of artifact? FIXME. */
+#undef STORE_STRUCT_RETURN
#define STORE_STRUCT_RETURN(ADDR, SP) \
{ (SP) -= sizeof (ADDR); \
write_memory ((SP), &(ADDR), sizeof (ADDR)); \
a function return value of type TYPE, and copy that, in virtual format,
into VALBUF. */
+#undef EXTRACT_RETURN_VALUE
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
symmetry_extract_return_value(TYPE, REGBUF, VALBUF)
-/* Write into appropriate registers a function return value
- of type TYPE, given in virtual format. */
-
-#define STORE_RETURN_VALUE(TYPE,VALBUF) \
- write_register_bytes (0, 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) (*(int *)(REGBUF))
-
-\f
-/* Describe the pointer in each stack frame to the previous stack frame
- (its caller). */
-
-/* FRAME_CHAIN takes a frame's nominal address
- 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 Symmetry, %ebp points to caller's %ebp, and the return address
- is right on top of that. */
-
-#define FRAME_CHAIN(thisframe) \
- (!inside_entry_file ((thisframe)->pc) ? \
- read_memory_integer((thisframe)->frame, 4) :\
- 0)
-
-#define FRAME_CHAIN_VALID(chain, thisframe) \
- (chain != 0)
-
-/* Define other aspects of the stack frame. */
-
-/* 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)
-
-#define FRAME_SAVED_PC(fi) (read_memory_integer((fi)->frame + 4, 4))
-
-#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
-
-#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
-
-/* Return number of args passed to a frame.
- Can return -1, meaning no way to tell.
-
- The weirdness in the "addl $imm8" case is due to gcc sometimes
- issuing "addl $-int" after function call returns; this would
- produce ridiculously huge arg counts. */
-
-#define FRAME_NUM_ARGS(numargs, fi) \
-{ \
- int op = read_memory_integer(FRAME_SAVED_PC((fi)), 4); \
- int narg; \
- if ((op & 0xff) == 0x59) /* 0x59 'popl %ecx' */ \
- { \
- numargs = 1; \
- } \
- else if ((op & 0xffff) == 0xc483) /* 0xc483 'addl $imm8' */ \
- { \
- narg = ((op >> 16) & 0xff); \
- numargs = (narg >= 128) ? -1 : narg / 4; \
- } \
- else if ((op & 0xffff) == 0xc481) /* 0xc481 'addl $imm32' */ \
- { \
- narg = read_memory_integer(FRAME_SAVED_PC((fi))+2,4); \
- numargs = (narg < 0) ? -1 : narg / 4; \
- } \
- else \
- { \
- numargs = -1; \
- } \
-}
-
-/* Return number of bytes at start of arglist that are not really args. */
-
-#define FRAME_ARGS_SKIP 8
-
-/* 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) \
-{ i386_frame_find_saved_regs ((frame_info), &(frame_saved_regs)); }
-
-#ifdef __STDC__ /* Forward decl's for prototypes */
-struct frame_info;
-struct frame_saved_regs;
-#endif
-
-extern void
-i386_frame_find_saved_regs PARAMS ((struct frame_info *,
- struct frame_saved_regs *));
-
\f
-/* Things needed for making the inferior call functions. */
+/* Things needed for making the inferior call functions. FIXME: Merge
+ this with the main 386 stuff. */
#define PUSH_DUMMY_FRAME \
{ CORE_ADDR sp = read_register (SP_REGNUM); \
-/* Definitions to make GDB run on a Sequent Symmetry under dynix 3.0,
- with Weitek 1167 and i387 support.
- Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Definitions to make GDB run on a Sequent Symmetry under
+ dynix 3.1 and ptx 1.3, with Weitek 1167 and i387 support.
+ Copyright 1986, 1987, 1989, 1992, 1993 Free Software Foundation, Inc.
This file is part of GDB.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* Symmetry version by Jay Vosburgh (uunet!sequent!fubar) */
+/* Symmetry version by Jay Vosburgh (fubar@sequent.com) */
/* This machine doesn't have the siginterrupt call. */
#define NO_SIGINTERRUPT
#define HAVE_WAIT_STRUCT
-/* XPT_DEBUG doesn't work yet under Dynix 3.0.12, but UNDEBUG does... */
-/* #define PTRACE_ATTACH XPT_DEBUG
-#define PTRACE_DETACH XPT_UNDEBUG
-#define ATTACH_DETACH */
-
-#define HOST_BYTE_ORDER LITTLE_ENDIAN
+#ifdef _SEQUENT_
+/* ptx */
+#define HAVE_TERMIO
+#define USG
+#else
+/* dynix */
/* Get rid of any system-imposed stack limit if possible. */
#define SET_STACK_LIMIT_HUGE
-/* This is the amount to subtract from u.u_ar0
- to get the offset in the core file of the register values. */
-
-#define KERNEL_U_ADDR (0x80000000 - (UPAGES * NBPG))
-
-/* The magic numbers below are offsets into u_ar0 in the user struct.
- They live in <machine/reg.h>. Gdb calls this macro with blockend
- holding u.u_ar0 - KERNEL_U_ADDR. Only the registers listed are
- saved in the u area (along with a few others that aren't useful
- here. See <machine/reg.h>). */
-
-#define REGISTER_U_ADDR(addr, blockend, regno) \
-{ struct user foo; /* needed for finding fpu regs */ \
-switch (regno) { \
- case 0: \
- addr = blockend + EAX * sizeof(int); break; \
- case 1: \
- addr = blockend + EDX * sizeof(int); break; \
- case 2: \
- addr = blockend + ECX * sizeof(int); break; \
- case 3: /* st(0) */ \
- addr = blockend - \
- ((int)&foo.u_fpusave.fpu_stack[0][0] - (int)&foo); \
- break; \
- case 4: /* st(1) */ \
- addr = blockend - \
- ((int) &foo.u_fpusave.fpu_stack[1][0] - (int)&foo); \
- break; \
- case 5: \
- addr = blockend + EBX * sizeof(int); break; \
- case 6: \
- addr = blockend + ESI * sizeof(int); break; \
- case 7: \
- addr = blockend + EDI * sizeof(int); break; \
- case 8: /* st(2) */ \
- addr = blockend - \
- ((int) &foo.u_fpusave.fpu_stack[2][0] - (int)&foo); \
- break; \
- case 9: /* st(3) */ \
- addr = blockend - \
- ((int) &foo.u_fpusave.fpu_stack[3][0] - (int)&foo); \
- break; \
- case 10: /* st(4) */ \
- addr = blockend - \
- ((int) &foo.u_fpusave.fpu_stack[4][0] - (int)&foo); \
- break; \
- case 11: /* st(5) */ \
- addr = blockend - \
- ((int) &foo.u_fpusave.fpu_stack[5][0] - (int)&foo); \
- break; \
- case 12: /* st(6) */ \
- addr = blockend - \
- ((int) &foo.u_fpusave.fpu_stack[6][0] - (int)&foo); \
- break; \
- case 13: /* st(7) */ \
- addr = blockend - \
- ((int) &foo.u_fpusave.fpu_stack[7][0] - (int)&foo); \
- break; \
- case 14: \
- addr = blockend + ESP * sizeof(int); break; \
- case 15: \
- addr = blockend + EBP * sizeof(int); break; \
- case 16: \
- addr = blockend + EIP * sizeof(int); break; \
- case 17: \
- addr = blockend + FLAGS * sizeof(int); break; \
- case 18: /* fp1 */ \
- case 19: /* fp2 */ \
- case 20: /* fp3 */ \
- case 21: /* fp4 */ \
- case 22: /* fp5 */ \
- case 23: /* fp6 */ \
- case 24: /* fp7 */ \
- case 25: /* fp8 */ \
- case 26: /* fp9 */ \
- case 27: /* fp10 */ \
- case 28: /* fp11 */ \
- case 29: /* fp12 */ \
- case 30: /* fp13 */ \
- case 31: /* fp14 */ \
- case 32: /* fp15 */ \
- case 33: /* fp16 */ \
- case 34: /* fp17 */ \
- case 35: /* fp18 */ \
- case 36: /* fp19 */ \
- case 37: /* fp20 */ \
- case 38: /* fp21 */ \
- case 39: /* fp22 */ \
- case 40: /* fp23 */ \
- case 41: /* fp24 */ \
- case 42: /* fp25 */ \
- case 43: /* fp26 */ \
- case 44: /* fp27 */ \
- case 45: /* fp28 */ \
- case 46: /* fp29 */ \
- case 47: /* fp30 */ \
- case 48: /* fp31 */ \
- addr = blockend - \
- ((int) &foo.u_fpasave.fpa_regs[(regno)-18] - (int)&foo); \
- } \
-}
+#endif
-/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
+/* XPT_DEBUG doesn't work yet under Dynix 3.0.12, but UNDEBUG does... */
+/* #define PTRACE_ATTACH XPT_DEBUG
+#define PTRACE_DETACH XPT_UNDEBUG
+#define ATTACH_DETACH */
-#define FETCH_INFERIOR_REGISTERS
+#define HOST_BYTE_ORDER LITTLE_ENDIAN
/* We must fetch all the regs before storing, since we store all at once. */
hppa*-hp-hpux*) gdb_host=hppahpux ;;
i[34]86-ncr-*) gdb_host=ncr3000 ;;
-i[34]86-sequent-*) gdb_host=symmetry ;;
+i[34]86-sequent-bsd*) gdb_host=symmetry ;; #dynix
+i[34]86-sequent-sysv*) gdb_host=ptx ;;
i[34]86-*-aix*) gdb_host=i386aix ;;
i[34]86-*-bsd*) gdb_host=i386bsd ;;
--- /dev/null
+/* Sequent Symmetry host interface, for GDB when running under Unix.
+ Copyright 1986, 1987, 1989, 1991, 1992 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. */
+
+/* FIXME, some 387-specific items of use taken from i387-tdep.c -- ought to be
+ merged back in. */
+
+#include "defs.h"
+#include "frame.h"
+#include "inferior.h"
+#include "symtab.h"
+
+#include <signal.h>
+#include <sys/param.h>
+#include <sys/user.h>
+#include <sys/dir.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include "gdbcore.h"
+#include <fcntl.h>
+#include <sgtty.h>
+#define TERMINAL struct sgttyb
+
+#include "gdbcore.h"
+
+void
+store_inferior_registers(regno)
+int regno;
+{
+ struct pt_regset regs;
+ int reg_tmp, i;
+ extern char registers[];
+
+ regs.pr_eax = *(int *)®isters[REGISTER_BYTE(0)];
+ regs.pr_ebx = *(int *)®isters[REGISTER_BYTE(5)];
+ regs.pr_ecx = *(int *)®isters[REGISTER_BYTE(2)];
+ regs.pr_edx = *(int *)®isters[REGISTER_BYTE(1)];
+ regs.pr_esi = *(int *)®isters[REGISTER_BYTE(6)];
+ regs.pr_edi = *(int *)®isters[REGISTER_BYTE(7)];
+ regs.pr_esp = *(int *)®isters[REGISTER_BYTE(14)];
+ regs.pr_ebp = *(int *)®isters[REGISTER_BYTE(15)];
+ regs.pr_eip = *(int *)®isters[REGISTER_BYTE(16)];
+ regs.pr_flags = *(int *)®isters[REGISTER_BYTE(17)];
+ for (i = 0; i < 31; i++)
+ {
+ regs.pr_fpa.fpa_regs[i] =
+ *(int *)®isters[REGISTER_BYTE(FP1_REGNUM+i)];
+ }
+ PTRACE_WRITE_REGS (inferior_pid, (PTRACE_ARG3_TYPE) ®s);
+}
+
+void
+fetch_inferior_registers (regno)
+ int regno;
+{
+ int i;
+ struct pt_regset regs;
+ extern char registers[];
+
+ registers_fetched ();
+
+ PTRACE_READ_REGS (inferior_pid, (PTRACE_ARG3_TYPE) ®s);
+ *(int *)®isters[REGISTER_BYTE(EAX_REGNUM)] = regs.pr_eax;
+ *(int *)®isters[REGISTER_BYTE(EBX_REGNUM)] = regs.pr_ebx;
+ *(int *)®isters[REGISTER_BYTE(ECX_REGNUM)] = regs.pr_ecx;
+ *(int *)®isters[REGISTER_BYTE(EDX_REGNUM)] = regs.pr_edx;
+ *(int *)®isters[REGISTER_BYTE(ESI_REGNUM)] = regs.pr_esi;
+ *(int *)®isters[REGISTER_BYTE(EDI_REGNUM)] = regs.pr_edi;
+ *(int *)®isters[REGISTER_BYTE(EBP_REGNUM)] = regs.pr_ebp;
+ *(int *)®isters[REGISTER_BYTE(ESP_REGNUM)] = regs.pr_esp;
+ *(int *)®isters[REGISTER_BYTE(EIP_REGNUM)] = regs.pr_eip;
+ *(int *)®isters[REGISTER_BYTE(EFLAGS_REGNUM)] = regs.pr_flags;
+ for (i = 0; i < FPA_NREGS; i++)
+ {
+ *(int *)®isters[REGISTER_BYTE(FP1_REGNUM+i)] =
+ regs.pr_fpa.fpa_regs[i];
+ }
+ memcpy (®isters[REGISTER_BYTE(ST0_REGNUM)], regs.pr_fpu.fpu_stack[0], 10);
+ memcpy (®isters[REGISTER_BYTE(ST1_REGNUM)], regs.pr_fpu.fpu_stack[1], 10);
+ memcpy (®isters[REGISTER_BYTE(ST2_REGNUM)], regs.pr_fpu.fpu_stack[2], 10);
+ memcpy (®isters[REGISTER_BYTE(ST3_REGNUM)], regs.pr_fpu.fpu_stack[3], 10);
+ memcpy (®isters[REGISTER_BYTE(ST4_REGNUM)], regs.pr_fpu.fpu_stack[4], 10);
+ memcpy (®isters[REGISTER_BYTE(ST5_REGNUM)], regs.pr_fpu.fpu_stack[5], 10);
+ memcpy (®isters[REGISTER_BYTE(ST6_REGNUM)], regs.pr_fpu.fpu_stack[6], 10);
+ memcpy (®isters[REGISTER_BYTE(ST7_REGNUM)], regs.pr_fpu.fpu_stack[7], 10);
+}
+\f
+/* FIXME: This should be merged with i387-tdep.c as well. */
+static
+print_fpu_status(ep)
+struct pt_regset ep;
+{
+ int i;
+ int bothstatus;
+ int top;
+ int fpreg;
+ unsigned char *p;
+
+ printf("80387:");
+ if (ep.pr_fpu.fpu_ip == 0) {
+ printf(" not in use.\n");
+ return;
+ } else {
+ printf("\n");
+ }
+ if (ep.pr_fpu.fpu_status != 0) {
+ print_387_status_word (ep.pr_fpu.fpu_status);
+ }
+ print_387_control_word (ep.pr_fpu.fpu_control);
+ printf ("last exception: ");
+ printf ("opcode 0x%x; ", ep.pr_fpu.fpu_rsvd4);
+ printf ("pc 0x%x:0x%x; ", ep.pr_fpu.fpu_cs, ep.pr_fpu.fpu_ip);
+ printf ("operand 0x%x:0x%x\n", ep.pr_fpu.fpu_data_offset, ep.pr_fpu.fpu_op_sel);
+
+ top = (ep.pr_fpu.fpu_status >> 11) & 7;
+
+ printf ("regno tag msb lsb value\n");
+ for (fpreg = 7; fpreg >= 0; fpreg--)
+ {
+ double val;
+
+ printf ("%s %d: ", fpreg == top ? "=>" : " ", fpreg);
+
+ switch ((ep.pr_fpu.fpu_tag >> (fpreg * 2)) & 3)
+ {
+ case 0: printf ("valid "); break;
+ case 1: printf ("zero "); break;
+ case 2: printf ("trap "); break;
+ case 3: printf ("empty "); break;
+ }
+ for (i = 9; i >= 0; i--)
+ printf ("%02x", ep.pr_fpu.fpu_stack[fpreg][i]);
+
+ i387_to_double (ep.pr_fpu.fpu_stack[fpreg], (char *)&val);
+ printf (" %g\n", val);
+ }
+ if (ep.pr_fpu.fpu_rsvd1)
+ warning ("rsvd1 is 0x%x\n", ep.pr_fpu.fpu_rsvd1);
+ if (ep.pr_fpu.fpu_rsvd2)
+ warning ("rsvd2 is 0x%x\n", ep.pr_fpu.fpu_rsvd2);
+ if (ep.pr_fpu.fpu_rsvd3)
+ warning ("rsvd3 is 0x%x\n", ep.pr_fpu.fpu_rsvd3);
+ if (ep.pr_fpu.fpu_rsvd5)
+ warning ("rsvd5 is 0x%x\n", ep.pr_fpu.fpu_rsvd5);
+}
+
+
+print_1167_control_word(pcr)
+unsigned int pcr;
+
+{
+ int pcr_tmp;
+
+ pcr_tmp = pcr & FPA_PCR_MODE;
+ printf("\tMODE= %#x; RND= %#x ", pcr_tmp, pcr_tmp & 12);
+ switch (pcr_tmp & 12) {
+ case 0:
+ printf("RN (Nearest Value)");
+ break;
+ case 1:
+ printf("RZ (Zero)");
+ break;
+ case 2:
+ printf("RP (Positive Infinity)");
+ break;
+ case 3:
+ printf("RM (Negative Infinity)");
+ break;
+ }
+ printf("; IRND= %d ", pcr_tmp & 2);
+ if (0 == pcr_tmp & 2) {
+ printf("(same as RND)\n");
+ } else {
+ printf("(toward zero)\n");
+ }
+ pcr_tmp = pcr & FPA_PCR_EM;
+ printf("\tEM= %#x", pcr_tmp);
+ if (pcr_tmp & FPA_PCR_EM_DM) printf(" DM");
+ if (pcr_tmp & FPA_PCR_EM_UOM) printf(" UOM");
+ if (pcr_tmp & FPA_PCR_EM_PM) printf(" PM");
+ if (pcr_tmp & FPA_PCR_EM_UM) printf(" UM");
+ if (pcr_tmp & FPA_PCR_EM_OM) printf(" OM");
+ if (pcr_tmp & FPA_PCR_EM_ZM) printf(" ZM");
+ if (pcr_tmp & FPA_PCR_EM_IM) printf(" IM");
+ printf("\n");
+ pcr_tmp = FPA_PCR_CC;
+ printf("\tCC= %#x", pcr_tmp);
+ if (pcr_tmp & FPA_PCR_20MHZ) printf(" 20MHZ");
+ if (pcr_tmp & FPA_PCR_CC_Z) printf(" Z");
+ if (pcr_tmp & FPA_PCR_CC_C2) printf(" C2");
+ if (pcr_tmp & FPA_PCR_CC_C1) printf(" C1");
+ switch (pcr_tmp) {
+ case FPA_PCR_CC_Z:
+ printf(" (Equal)");
+ break;
+ case FPA_PCR_CC_C1:
+ printf(" (Less than)");
+ break;
+ case 0:
+ printf(" (Greater than)");
+ break;
+ case FPA_PCR_CC_Z | FPA_PCR_CC_C1 | FPA_PCR_CC_C2:
+ printf(" (Unordered)");
+ break;
+ default:
+ printf(" (Undefined)");
+ break;
+ }
+ printf("\n");
+ pcr_tmp = pcr & FPA_PCR_AE;
+ printf("\tAE= %#x", pcr_tmp);
+ if (pcr_tmp & FPA_PCR_AE_DE) printf(" DE");
+ if (pcr_tmp & FPA_PCR_AE_UOE) printf(" UOE");
+ if (pcr_tmp & FPA_PCR_AE_PE) printf(" PE");
+ if (pcr_tmp & FPA_PCR_AE_UE) printf(" UE");
+ if (pcr_tmp & FPA_PCR_AE_OE) printf(" OE");
+ if (pcr_tmp & FPA_PCR_AE_ZE) printf(" ZE");
+ if (pcr_tmp & FPA_PCR_AE_EE) printf(" EE");
+ if (pcr_tmp & FPA_PCR_AE_IE) printf(" IE");
+ printf("\n");
+}
+
+print_1167_regs(regs)
+long regs[FPA_NREGS];
+
+{
+ int i;
+
+ union {
+ double d;
+ long l[2];
+ } xd;
+ union {
+ float f;
+ long l;
+ } xf;
+
+
+ for (i = 0; i < FPA_NREGS; i++) {
+ xf.l = regs[i];
+ printf("%%fp%d: raw= %#x, single= %f", i+1, regs[i], xf.f);
+ if (!(i & 1)) {
+ printf("\n");
+ } else {
+ xd.l[1] = regs[i];
+ xd.l[0] = regs[i+1];
+ printf(", double= %f\n", xd.d);
+ }
+ }
+}
+
+print_fpa_status(ep)
+struct pt_regset ep;
+
+{
+
+ printf("WTL 1167:");
+ if (ep.pr_fpa.fpa_pcr !=0) {
+ printf("\n");
+ print_1167_control_word(ep.pr_fpa.fpa_pcr);
+ print_1167_regs(ep.pr_fpa.fpa_regs);
+ } else {
+ printf(" not in use.\n");
+ }
+}
+
+i386_float_info ()
+{
+ char ubuf[UPAGES*NBPG];
+ struct pt_regset regset;
+
+ if (have_inferior_p())
+ {
+ PTRACE_READ_REGS (inferior_pid, (PTRACE_ARG3_TYPE) ®set);
+ }
+ else
+ {
+ int corechan = bfd_cache_lookup (core_bfd);
+ if (lseek (corechan, 0, 0) < 0)
+ {
+ perror ("seek on core file");
+ }
+ if (myread (corechan, ubuf, UPAGES*NBPG) < 0)
+ {
+ perror ("read on core file");
+ }
+ /* only interested in the floating point registers */
+ regset.pr_fpu = ((struct user *) ubuf)->u_fpusave;
+ regset.pr_fpa = ((struct user *) ubuf)->u_fpasave;
+ }
+ print_fpu_status(regset);
+ print_fpa_status(regset);
+}
#include <sgtty.h>
#define TERMINAL struct sgttyb
-exec_file_command (filename, from_tty)
- char *filename;
- int from_tty;
-{
- int val;
-
- /* Eliminate all traces of old exec file.
- Mark text segment as empty. */
-
- if (execfile)
- free (execfile);
- execfile = 0;
- data_start = 0;
- data_end -= exec_data_start;
- text_start = 0;
- text_end = 0;
- exec_data_start = 0;
- exec_data_end = 0;
- if (execchan >= 0)
- close (execchan);
- execchan = -1;
-
- /* Now open and digest the file the user requested, if any. */
-
- if (filename)
- {
- filename = tilde_expand (filename);
- make_cleanup (free, filename);
-
- execchan = openp (getenv ("PATH"), 1, filename, O_RDONLY, 0,
- &execfile);
- if (execchan < 0)
- perror_with_name (filename);
-
-#ifdef COFF_FORMAT
- {
- int aout_hdrsize;
- int num_sections;
-
- if (read_file_hdr (execchan, &file_hdr) < 0)
- error ("\"%s\": not in executable format.", execfile);
-
- aout_hdrsize = file_hdr.f_opthdr;
- num_sections = file_hdr.f_nscns;
-
- if (read_aout_hdr (execchan, &exec_aouthdr, aout_hdrsize) < 0)
- error ("\"%s\": can't read optional aouthdr", execfile);
-
- if (read_section_hdr (execchan, _TEXT, &text_hdr, num_sections,
- aout_hdrsize) < 0)
- error ("\"%s\": can't read text section header", execfile);
-
- if (read_section_hdr (execchan, _DATA, &data_hdr, num_sections,
- aout_hdrsize) < 0)
- error ("\"%s\": can't read data section header", execfile);
-
- text_start = exec_aouthdr.text_start;
- text_end = text_start + exec_aouthdr.tsize;
- text_offset = text_hdr.s_scnptr;
- exec_data_start = exec_aouthdr.data_start;
- exec_data_end = exec_data_start + exec_aouthdr.dsize;
- exec_data_offset = data_hdr.s_scnptr;
- data_start = exec_data_start;
- data_end += exec_data_start;
- exec_mtime = file_hdr.f_timdat;
- }
-#else /* not COFF_FORMAT */
- {
- struct stat st_exec;
-
- val = myread (execchan, &exec_aouthdr, sizeof (AOUTHDR));
-
- if (val < 0)
- perror_with_name (filename);
-
- text_start = N_ADDRADJ(exec_aouthdr);
- exec_data_start = round(exec_aouthdr.a_text, NBPG*CLSIZE);
- text_offset = N_TXTOFF (exec_aouthdr);
- exec_data_offset = N_TXTOFF (exec_aouthdr) + exec_aouthdr.a_text;
- text_end = exec_aouthdr.a_text;
- exec_data_end = exec_data_start + exec_aouthdr.a_data;
- data_start = exec_data_start;
- data_end = data_start + exec_aouthdr.a_data;
- exec_data_offset = N_TXTOFF(exec_aouthdr);
- fstat (execchan, &st_exec);
- exec_mtime = st_exec.st_mtime;
- }
-#endif /* not COFF_FORMAT */
-
- validate_files ();
- }
- else if (from_tty)
- printf ("No exec file now.\n");
-
- /* Tell display code (if any) about the changed file name. */
- if (exec_file_display_hook)
- (*exec_file_display_hook) (filename);
-}
-
/* rounds 'one' up to divide evenly by 'two' */
int
CORE_ADDR adr;
int i;
- bzero (fsrp, sizeof *fsrp);
+ memset (fsrp, 0, sizeof *fsrp);
/* if frame is the end of a dummy, compute where the
* beginning would be
static unsigned char proto2[4] = { 0x87,0x44,0x24,0x00 };
pos = codestream_tell ();
codestream_read (buf, 4);
- if (bcmp (buf, proto1, 3) == 0)
+ if (memcmp (buf, proto1, 3) == 0)
pos += 3;
- else if (bcmp (buf, proto2, 4) == 0)
+ else if (memcmp (buf, proto2, 4) == 0)
pos += 4;
codestream_seek (pos);
return (codestream_tell ());
}
+void
symmetry_extract_return_value(type, regbuf, valbuf)
struct type *type;
char *regbuf;
xd.l[0] = *((int *)®buf[REGISTER_BYTE(20)]);
switch (TYPE_LENGTH(type)) {
case 4:
+ /* FIXME: broken for cross-debugging. */
f = (float) xd.d;
- bcopy(&f, valbuf, TYPE_LENGTH(type));
+ memcpy (valbuf, &f, TYPE_LENGTH(type));
break;
case 8:
- bcopy(&xd.d, valbuf, TYPE_LENGTH(type));
+ /* FIXME: broken for cross-debugging. */
+ memcpy (valbuf, &xd.d, TYPE_LENGTH(type));
break;
default:
error("Unknown floating point size");
switch (TYPE_LENGTH(type)) {
case 4: /* float */
f = (float) xd.d;
- bcopy(&f, valbuf, 4);
+ /* FIXME: broken for cross-debugging. */
+ memcpy (valbuf, &f, 4);
break;
case 8: /* double */
- bcopy(&xd.d, valbuf, 8);
+ /* FIXME: broken for cross-debugging. */
+ memcpy (valbuf, &xd.d, 8);
break;
default:
error("Unknown floating point size");
break;
}
}
- } else {
- bcopy (regbuf, valbuf, TYPE_LENGTH (type));
+ } else {
+ memcpy (valbuf, regbuf, TYPE_LENGTH (type));
+ }
+}
+
+#ifdef _SEQUENT_ /* ptx, not dynix */
+/*
+ * Convert compiler register number to gdb internal
+ * register number. The PTX C compiler only really
+ * puts things in %edi, %esi and %ebx, but it can't hurt
+ * to be complete here.
+ */
+int
+ptx_coff_regno_to_gdb(regno)
+ int regno;
+{
+ return I386_REGNO_TO_SYMMETRY(regno);
+}
+
+/* For ptx, the value in blockend will be meaningless. This function
+ merely returns the proper offset given the register number. This
+ is much easier, because under ptx, the upage is set up with the
+ user struct on "top", and the registers "beneath" it (and thus defines
+ TRAD_CORE_USER_OFFSET in bfd). */
+
+/* The following table is for ptx 1.3. In theory it should not change with
+ the OS version, but if it does we should (if possible) figure out a way
+ to accept both the old and the new formats. */
+
+static unsigned int reg_offsets[NUM_REGS] = {
+/*
+ * u.u_ar0 = 0xfffff8d0
+ * VA_UBLOCK = 0xffffe000
+ * VA_UAREA = 0xfffff8e8
+ * struct user at ublock offset 0x18e8
+ * registers at ublock offset 0x18d0
+ */
+0x18d0, /* eax */
+0x18c8, /* eax */
+0x18cc, /* eax */
+0x1be0, /* st0 */
+0x1bea, /* st1 */
+0x18c4, /* ebx */
+0x18b8, /* esi */
+0x18b4, /* edi */
+0x1bf4, /* st2 */
+0x1bfe, /* st3 */
+0x1c08, /* st4 */
+0x1c12, /* st5 */
+0x1c1c, /* st6 */
+0x1c26, /* st7 */
+0x18e0, /* esp */
+0x18bc, /* ebp */
+0x18d4, /* eip */
+0x18dc, /* flags */
+0x1c38, /* fp1 */
+0x1c3c, /* fp2 */
+0x1c40, /* fp3 */
+0x1c44, /* fp4 */
+0x1c48, /* fp5 */
+0x1c4c, /* fp6 */
+0x1c50, /* fp7 */
+0x1c54, /* fp8 */
+0x1c58, /* fp9 */
+0x1c5c, /* fp10 */
+0x1c60, /* fp11 */
+0x1c64, /* fp12 */
+0x1c68, /* fp13 */
+0x1c6c, /* fp14 */
+0x1c70, /* fp15 */
+0x1c74, /* fp16 */
+0x1c78, /* fp17 */
+0x1c7c, /* fp18 */
+0x1c80, /* fp19 */
+0x1c84, /* fp20 */
+0x1c88, /* fp21 */
+0x1c8c, /* fp22 */
+0x1c90, /* fp23 */
+0x1c94, /* fp24 */
+0x1c98, /* fp25 */
+0x1c9c, /* fp26 */
+0x1ca0, /* fp27 */
+0x1ca4, /* fp28 */
+0x1ca8, /* fp29 */
+0x1cac, /* fp30 */
+0x1cb0, /* fp31 */
+};
+
+unsigned int
+register_addr (regno, blockend)
+ int regno, blockend;
+{
+ if ((regno < 0) || (regno >= NUM_REGS)) {
+ error("Invalid register number %d.", regno);
}
+ return reg_offsets[regno];
}
+#endif /* _SEQUENT_ */
+++ /dev/null
-/* Sequent Symmetry host interface, for GDB when running under Unix.
- Copyright 1986, 1987, 1989, 1991, 1992 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. */
-
-/* FIXME, some 387-specific items of use taken from i387-tdep.c -- ought to be
- merged back in. */
-
-#include "defs.h"
-#include "frame.h"
-#include "inferior.h"
-#include "symtab.h"
-
-#include <signal.h>
-#include <sys/param.h>
-#include <sys/user.h>
-#include <sys/dir.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include "gdbcore.h"
-#include <fcntl.h>
-#include <sgtty.h>
-#define TERMINAL struct sgttyb
-
-#include "gdbcore.h"
-
-void
-store_inferior_registers(regno)
-int regno;
-{
- struct pt_regset regs;
- int reg_tmp, i;
- extern char registers[];
-
-#if 0
- /* PREPARE_TO_STORE deals with this. */
- if (-1 == regno)
- {
-#endif
- regs.pr_eax = *(int *)®isters[REGISTER_BYTE(0)];
- regs.pr_ebx = *(int *)®isters[REGISTER_BYTE(5)];
- regs.pr_ecx = *(int *)®isters[REGISTER_BYTE(2)];
- regs.pr_edx = *(int *)®isters[REGISTER_BYTE(1)];
- regs.pr_esi = *(int *)®isters[REGISTER_BYTE(6)];
- regs.pr_edi = *(int *)®isters[REGISTER_BYTE(7)];
- regs.pr_esp = *(int *)®isters[REGISTER_BYTE(14)];
- regs.pr_ebp = *(int *)®isters[REGISTER_BYTE(15)];
- regs.pr_eip = *(int *)®isters[REGISTER_BYTE(16)];
- regs.pr_flags = *(int *)®isters[REGISTER_BYTE(17)];
- for (i = 0; i < 31; i++) {
- regs.pr_fpa.fpa_regs[i] =
- *(int *)®isters[REGISTER_BYTE(FP1_REGNUM+i)];
- }
-#if 0
- }
- else
- {
- reg_tmp = *(int *)®isters[REGISTER_BYTE(regno)];
- ptrace(XPT_RREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®s, 0);
- switch (regno)
- {
- case 0:
- regs.pr_eax = *(int *)®isters[REGISTER_BYTE(0)];
- break;
- case 5:
- regs.pr_ebx = *(int *)®isters[REGISTER_BYTE(5)];
- break;
- case 2:
- regs.pr_ecx = *(int *)®isters[REGISTER_BYTE(2)];
- break;
- case 1:
- regs.pr_edx = *(int *)®isters[REGISTER_BYTE(1)];
- break;
- case 6:
- regs.pr_esi = *(int *)®isters[REGISTER_BYTE(6)];
- break;
- case 7:
- regs.pr_edi = *(int *)®isters[REGISTER_BYTE(7)];
- break;
- case 15:
- regs.pr_ebp = *(int *)®isters[REGISTER_BYTE(15)];
- break;
- case 14:
- regs.pr_esp = *(int *)®isters[REGISTER_BYTE(14)];
- break;
- case 16:
- regs.pr_eip = *(int *)®isters[REGISTER_BYTE(16)];
- break;
- case 17:
- regs.pr_flags = *(int *)®isters[REGISTER_BYTE(17)];
- break;
- }
- }
-#endif /* 0 */
- ptrace(XPT_WREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®s, 0);
-}
-
-void
-fetch_inferior_registers (regno)
- int regno;
-{
- int i;
- struct pt_regset regs;
- extern char registers[];
-
- registers_fetched ();
-
- ptrace(XPT_RREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®s, 0);
- *(int *)®isters[REGISTER_BYTE(0)] = regs.pr_eax;
- *(int *)®isters[REGISTER_BYTE(5)] = regs.pr_ebx;
- *(int *)®isters[REGISTER_BYTE(2)] = regs.pr_ecx;
- *(int *)®isters[REGISTER_BYTE(1)] = regs.pr_edx;
- *(int *)®isters[REGISTER_BYTE(6)] = regs.pr_esi;
- *(int *)®isters[REGISTER_BYTE(7)] = regs.pr_edi;
- *(int *)®isters[REGISTER_BYTE(15)] = regs.pr_ebp;
- *(int *)®isters[REGISTER_BYTE(14)] = regs.pr_esp;
- *(int *)®isters[REGISTER_BYTE(16)] = regs.pr_eip;
- *(int *)®isters[REGISTER_BYTE(17)] = regs.pr_flags;
- for (i = 0; i < FPA_NREGS; i++) {
- *(int *)®isters[REGISTER_BYTE(FP1_REGNUM+i)] = regs.pr_fpa.fpa_regs[i];
- }
- bcopy(regs.pr_fpu.fpu_stack[0], ®isters[REGISTER_BYTE(3)], 10);
- bcopy(regs.pr_fpu.fpu_stack[1], ®isters[REGISTER_BYTE(4)], 10);
- bcopy(regs.pr_fpu.fpu_stack[2], ®isters[REGISTER_BYTE(8)], 10);
- bcopy(regs.pr_fpu.fpu_stack[3], ®isters[REGISTER_BYTE(9)], 10);
- bcopy(regs.pr_fpu.fpu_stack[4], ®isters[REGISTER_BYTE(10)], 10);
- bcopy(regs.pr_fpu.fpu_stack[5], ®isters[REGISTER_BYTE(11)], 10);
- bcopy(regs.pr_fpu.fpu_stack[6], ®isters[REGISTER_BYTE(12)], 10);
- bcopy(regs.pr_fpu.fpu_stack[7], ®isters[REGISTER_BYTE(13)], 10);
-}
-
-\f
-/* Work with core dump and executable files, for GDB.
- This code would be in core.c if it weren't machine-dependent. */
-
-void
-core_file_command (filename, from_tty)
- char *filename;
- int from_tty;
-{
- int val;
- extern char registers[];
-
- /* Discard all vestiges of any previous core file
- and mark data and stack spaces as empty. */
-
- if (corefile)
- free (corefile);
- corefile = 0;
-
- if (corechan >= 0)
- close (corechan);
- corechan = -1;
-
- data_start = 0;
- data_end = 0;
- stack_start = STACK_END_ADDR;
- stack_end = STACK_END_ADDR;
-
- /* Now, if a new core file was specified, open it and digest it. */
-
- if (filename)
- {
- filename = tilde_expand (filename);
- make_cleanup (free, filename);
-
- if (have_inferior_p ())
- error ("To look at a core file, you must kill the program with \"kill\".");
- corechan = open (filename, O_RDONLY, 0);
- if (corechan < 0)
- perror_with_name (filename);
- /* 4.2-style (and perhaps also sysV-style) core dump file. */
- {
- struct user u;
- int reg_offset;
-
- val = myread (corechan, &u, sizeof u);
- if (val < 0)
- perror_with_name (filename);
- data_start = exec_data_start;
-
- data_end = data_start + NBPG * (u.u_dsize - u.u_tsize);
- stack_start = stack_end - NBPG * u.u_ssize;
- data_offset = NBPG * UPAGES;
- stack_offset = ctob(UPAGES + u.u_dsize - u.u_tsize);
- reg_offset = (int) u.u_ar0 - KERNEL_U_ADDR;
-printf("u.u_tsize= %#x, u.u_dsize= %#x, u.u_ssize= %#x, stack_off= %#x\n",
- u.u_tsize, u.u_dsize, u.u_ssize, stack_offset);
-
- core_aouthdr.a_magic = 0;
-
- /* Read the register values out of the core file and store
- them where `read_register' will find them. */
-
- {
- register int regno;
-
- for (regno = 0; regno < NUM_REGS; regno++)
- {
- char buf[MAX_REGISTER_RAW_SIZE];
-
- val = lseek (corechan, register_addr (regno, reg_offset), 0);
- if (val < 0)
- perror_with_name (filename);
-
- val = myread (corechan, buf, sizeof buf);
- if (val < 0)
- perror_with_name (filename);
- supply_register (regno, buf);
- }
- }
- }
- if (filename[0] == '/')
- corefile = savestring (filename, strlen (filename));
- else
- {
- corefile = concat (current_directory, "/", filename, NULL);
- }
-
- set_current_frame(create_new_frame(read_register(FP_REGNUM),
- read_pc()));
-/* set_current_frame (read_register (FP_REGNUM));*/
- select_frame (get_current_frame (), 0);
- validate_files ();
- }
- else if (from_tty)
- printf ("No core file now.\n");
-}
-
-/* FIXME: This should be merged with i387-tdep.c as well. */
-static
-print_fpu_status(ep)
-struct pt_regset ep;
-{
- int i;
- int bothstatus;
- int top;
- int fpreg;
- unsigned char *p;
-
- printf("80387:");
- if (ep.pr_fpu.fpu_ip == 0) {
- printf(" not in use.\n");
- return;
- } else {
- printf("\n");
- }
- if (ep.pr_fpu.fpu_status != 0) {
- print_387_status_word (ep.pr_fpu.fpu_status);
- }
- print_387_control_word (ep.pr_fpu.fpu_control);
- printf ("last exception: ");
- printf ("opcode 0x%x; ", ep.pr_fpu.fpu_rsvd4);
- printf ("pc 0x%x:0x%x; ", ep.pr_fpu.fpu_cs, ep.pr_fpu.fpu_ip);
- printf ("operand 0x%x:0x%x\n", ep.pr_fpu.fpu_data_offset, ep.pr_fpu.fpu_op_sel);
-
- top = (ep.pr_fpu.fpu_status >> 11) & 7;
-
- printf ("regno tag msb lsb value\n");
- for (fpreg = 7; fpreg >= 0; fpreg--)
- {
- double val;
-
- printf ("%s %d: ", fpreg == top ? "=>" : " ", fpreg);
-
- switch ((ep.pr_fpu.fpu_tag >> (fpreg * 2)) & 3)
- {
- case 0: printf ("valid "); break;
- case 1: printf ("zero "); break;
- case 2: printf ("trap "); break;
- case 3: printf ("empty "); break;
- }
- for (i = 9; i >= 0; i--)
- printf ("%02x", ep.pr_fpu.fpu_stack[fpreg][i]);
-
- i387_to_double (ep.pr_fpu.fpu_stack[fpreg], (char *)&val);
- printf (" %g\n", val);
- }
- if (ep.pr_fpu.fpu_rsvd1)
- warning ("rsvd1 is 0x%x\n", ep.pr_fpu.fpu_rsvd1);
- if (ep.pr_fpu.fpu_rsvd2)
- warning ("rsvd2 is 0x%x\n", ep.pr_fpu.fpu_rsvd2);
- if (ep.pr_fpu.fpu_rsvd3)
- warning ("rsvd3 is 0x%x\n", ep.pr_fpu.fpu_rsvd3);
- if (ep.pr_fpu.fpu_rsvd5)
- warning ("rsvd5 is 0x%x\n", ep.pr_fpu.fpu_rsvd5);
-}
-
-
-print_1167_control_word(pcr)
-unsigned int pcr;
-
-{
- int pcr_tmp;
-
- pcr_tmp = pcr & FPA_PCR_MODE;
- printf("\tMODE= %#x; RND= %#x ", pcr_tmp, pcr_tmp & 12);
- switch (pcr_tmp & 12) {
- case 0:
- printf("RN (Nearest Value)");
- break;
- case 1:
- printf("RZ (Zero)");
- break;
- case 2:
- printf("RP (Positive Infinity)");
- break;
- case 3:
- printf("RM (Negative Infinity)");
- break;
- }
- printf("; IRND= %d ", pcr_tmp & 2);
- if (0 == pcr_tmp & 2) {
- printf("(same as RND)\n");
- } else {
- printf("(toward zero)\n");
- }
- pcr_tmp = pcr & FPA_PCR_EM;
- printf("\tEM= %#x", pcr_tmp);
- if (pcr_tmp & FPA_PCR_EM_DM) printf(" DM");
- if (pcr_tmp & FPA_PCR_EM_UOM) printf(" UOM");
- if (pcr_tmp & FPA_PCR_EM_PM) printf(" PM");
- if (pcr_tmp & FPA_PCR_EM_UM) printf(" UM");
- if (pcr_tmp & FPA_PCR_EM_OM) printf(" OM");
- if (pcr_tmp & FPA_PCR_EM_ZM) printf(" ZM");
- if (pcr_tmp & FPA_PCR_EM_IM) printf(" IM");
- printf("\n");
- pcr_tmp = FPA_PCR_CC;
- printf("\tCC= %#x", pcr_tmp);
- if (pcr_tmp & FPA_PCR_20MHZ) printf(" 20MHZ");
- if (pcr_tmp & FPA_PCR_CC_Z) printf(" Z");
- if (pcr_tmp & FPA_PCR_CC_C2) printf(" C2");
- if (pcr_tmp & FPA_PCR_CC_C1) printf(" C1");
- switch (pcr_tmp) {
- case FPA_PCR_CC_Z:
- printf(" (Equal)");
- break;
- case FPA_PCR_CC_C1:
- printf(" (Less than)");
- break;
- case 0:
- printf(" (Greater than)");
- break;
- case FPA_PCR_CC_Z | FPA_PCR_CC_C1 | FPA_PCR_CC_C2:
- printf(" (Unordered)");
- break;
- default:
- printf(" (Undefined)");
- break;
- }
- printf("\n");
- pcr_tmp = pcr & FPA_PCR_AE;
- printf("\tAE= %#x", pcr_tmp);
- if (pcr_tmp & FPA_PCR_AE_DE) printf(" DE");
- if (pcr_tmp & FPA_PCR_AE_UOE) printf(" UOE");
- if (pcr_tmp & FPA_PCR_AE_PE) printf(" PE");
- if (pcr_tmp & FPA_PCR_AE_UE) printf(" UE");
- if (pcr_tmp & FPA_PCR_AE_OE) printf(" OE");
- if (pcr_tmp & FPA_PCR_AE_ZE) printf(" ZE");
- if (pcr_tmp & FPA_PCR_AE_EE) printf(" EE");
- if (pcr_tmp & FPA_PCR_AE_IE) printf(" IE");
- printf("\n");
-}
-
-print_1167_regs(regs)
-long regs[FPA_NREGS];
-
-{
- int i;
-
- union {
- double d;
- long l[2];
- } xd;
- union {
- float f;
- long l;
- } xf;
-
-
- for (i = 0; i < FPA_NREGS; i++) {
- xf.l = regs[i];
- printf("%%fp%d: raw= %#x, single= %f", i+1, regs[i], xf.f);
- if (!(i & 1)) {
- printf("\n");
- } else {
- xd.l[1] = regs[i];
- xd.l[0] = regs[i+1];
- printf(", double= %f\n", xd.d);
- }
- }
-}
-
-print_fpa_status(ep)
-struct pt_regset ep;
-
-{
-
- printf("WTL 1167:");
- if (ep.pr_fpa.fpa_pcr !=0) {
- printf("\n");
- print_1167_control_word(ep.pr_fpa.fpa_pcr);
- print_1167_regs(ep.pr_fpa.fpa_regs);
- } else {
- printf(" not in use.\n");
- }
-}
-
-i386_float_info ()
-{
- char ubuf[UPAGES*NBPG];
- struct pt_regset regset;
- extern int corechan;
-
- if (have_inferior_p()) {
- call_ptrace(XPT_RREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®set, 0);
- } else {
- if (lseek (corechan, 0, 0) < 0) {
- perror ("seek on core file");
- }
- if (myread (corechan, ubuf, UPAGES*NBPG) < 0) {
- perror ("read on core file");
- }
- /* only interested in the floating point registers */
- regset.pr_fpu = ((struct user *) ubuf)->u_fpusave;
- regset.pr_fpa = ((struct user *) ubuf)->u_fpasave;
- }
- print_fpu_status(regset);
- print_fpa_status(regset);
-}
projects / binutils-gdb.git / commitdiff