old-cross-binutils/gdb/sun3-nat.c

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/* Host-dependent code for Sun-3 for GDB, the GNU debugger.
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
1995-08-02 03:41:12 +00:00
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
#include "gdbcore.h"
#include <sys/ptrace.h>
#define KERNEL /* To get floating point reg definitions */
#include <machine/reg.h>
void
fetch_inferior_registers (regno)
int regno;
{
struct regs inferior_registers;
#ifdef FP0_REGNUM
struct fp_status inferior_fp_registers;
#endif
extern char registers[];
registers_fetched ();
ptrace (PTRACE_GETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_registers);
#ifdef FP0_REGNUM
ptrace (PTRACE_GETFPREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_fp_registers);
#endif
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memcpy (registers, &inferior_registers, 16 * 4);
#ifdef FP0_REGNUM
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memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
sizeof inferior_fp_registers.fps_regs);
#endif
*(int *)&registers[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps;
*(int *)&registers[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc;
#ifdef FP0_REGNUM
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memcpy (&registers[REGISTER_BYTE (FPC_REGNUM)],
&inferior_fp_registers.fps_control,
sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
#endif
}
/* Store our register values back into the inferior.
If REGNO is -1, do this for all registers.
Otherwise, REGNO specifies which register (so we can save time). */
void
store_inferior_registers (regno)
int regno;
{
struct regs inferior_registers;
#ifdef FP0_REGNUM
struct fp_status inferior_fp_registers;
#endif
extern char registers[];
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memcpy (&inferior_registers, registers, 16 * 4);
#ifdef FP0_REGNUM
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memcpy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],
sizeof inferior_fp_registers.fps_regs);
#endif
inferior_registers.r_ps = *(int *)&registers[REGISTER_BYTE (PS_REGNUM)];
inferior_registers.r_pc = *(int *)&registers[REGISTER_BYTE (PC_REGNUM)];
#ifdef FP0_REGNUM
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memcpy (&inferior_fp_registers.fps_control,
&registers[REGISTER_BYTE (FPC_REGNUM)],
sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
#endif
ptrace (PTRACE_SETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_registers);
#if FP0_REGNUM
ptrace (PTRACE_SETFPREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_fp_registers);
#endif
}
/* All of this stuff is only relevant if both host and target are sun3. */
/* Machine-dependent code for pulling registers out of a Sun-3 core file. */
* coredep.c: Renamed to core-aout.c * core-svr4.c: Renamed to core-regset.c * Makefile.in (ALLDEPFILES): Account for renamings. * corelow.c (core_file_fns): Add, points to chain of structs. (add_core_fns): New function to build chain of structs. (get_core_registers): Modify to search core functions chain and call appropriate fetch_core_registers function based on core file flavour. * gdbcore.h (fetch_core_registers): Remove declaration. (struct core_fns): Define struct for core function info. * i386m3-nat.c: Update comment for filename change (coredep->core-aout) * a68v-nat.c (fetch_core_registers): Remove stub, not needed now. * alpha-nat.c (fetch_core_registers): Make static. (alpha_core_fns, _initialize_core_alpha): New struct and func. * core-aout.c (fetch_core_registers): Make static (aout_core_fns, _initialize_core_aout): New struct and func. * core-regset.c (fetch_core_registers): Make static. (regset_core_fns, _initialize_core_regset): New struct and func. * core-sol2.c (fetch_core_registers): Make static. (solaris_core_fns, _initialize_core_solaris): New struct and func. * hp300ux-nat.c (fetch_core_registers): Make static. (hp300ux_core_fns, _initialize_core_hp300ux): New struct and func. * i386aix-nat.c (fetch_core_registers): Make static. (i386aix_core_fns, _initialize_core_i386aix): New struct and func. * i386mach-nat.c (fetch_core_registers: Make static. (i386mach_core_fns, _initialize_core_i386mach): New struct and func. * irix4-nat.c (fetch_core_registers): Make static. (irix4_core_fns, _initialize_core_irix4): New struct and func. * irix5-nat.c (fetch_core_registers): (irix5_core_fns, _initialize_core_irix5): New struct and func. * lynx-nat.c (fetch_core_registers): Make static. (lynx_core_fns, _initialize_core_lynx): New struct and func. * mips-nat.c (fetch_core_registers): Make static. (mips_core_fns, _initialize_core_mips): New struct and func. * ns32km3-nat.c (fetch_core_registers): Remove stub. * rs6000-nat.c (fetch_core_registers): Make static. (rs6000_core_fns, _initialize_core_rs6000): New struct and func. * sparc-nat.c (fetch_core_registers): Make static. (sparc_core_fns, _initialize_core_sparc): New struct and func. * sun3-nat.c (fetch_core_registers): (sun3_core_fns, _initialize_core_sun3): New struct and func. * sun386-nat.c (fetch_core_registers): Remove stub. * ultra3-nat.c (fetch_core_registers): Make static. (ultra3_core_fns, _initialize_core_ultra3): New struct and func. * config/gould/pn.mh (XDEPFILES), config/i386/fbsd.mh (NATDEPFILES), config/i386/i386bsd.mh (NATDEPFILES), config/i386/i386m3.mh (XDEPFILES), config/i386/i386sco.mh (NATDEPFILES), config/i386/i386sco4.mh (NATDEPFILES), config/i386/i386v.mh (NATDEPFILES), config/i386/i386v32.mh (NATDEPFILES), config/i386/nbsd.mh (NATDEPFILES), config/i386/ptx.mh (XDEPFILES), config/i386/ptx4.mh (XDEPFILES), config/i386/symmetry.mh (NATDEPFILES), config/m68k/3b1.mh (XDEPFILES), config/m68k/cisco.mt (TDEPFILES), config/m68k/delta68.mh (NATDEPFILES), config/m68k/dpx2.mh (NATDEPFILES), config/m68k/hp300bsd.mh (NATDEPFILES), config/m68k/hp300hpux.mh (NATDEPFILES), config/m68k/isi.mh (XDEPFILES), config/m68k/news.mh (NATDEPFILES), config/m68k/news1000.mh (XDEPFILES), config/m88k/cxux.mh (NATDEPFILES), config/m88k/delta88.mh (NATDEPFILES), config/mips/littlemips.mh (XDEPFILES), config/mips/mipsm3.mh (XDEPFILES), config/ns32k/merlin.mh (XDEPFILES), config/ns32k/nbsd.mh (NATDEPFILES), config/ns32k/ns32km3.mh (NATDEPFILES), config/pa/hppabsd.mh (NATDEPFILES), config/pa/hppahpux.mh (NATDEPFILES), config/romp/rtbsd.mh (XDEPFILES), config/tahoe/tahoe.mh (XDEPFILES), config/vax/vaxbsd.mh (XDEPFILES), config/vax/vaxult.mh (NATDEPFILES), config/vax/vaxult2.mh (NATDEPFILES), Account for coredep.o to core-aout.o name change. * config/i386/i386dgux (NATDEPFILES), config/i386/i386sol2.mh (NATDEPFILES), config/i386/i386v4.mh (NATDEPFILES), config/i386/linux.mh (NATDEPFILES), config/i386/ncr3000.mh (NATDEPFILES), config/m68k/m68kv4.mh (NATDEPFILES), config/m88k/delta88v4.mh (NATDEPFILES), config/mips/mipsv4.mh (NATDEPFILES), Account for core-svr4.o to core-regset.o name change.
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static void
fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
char *core_reg_sect;
unsigned core_reg_size;
int which;
unsigned int reg_addr; /* Unused in this version */
{
extern char registers[];
struct regs *regs = (struct regs *) core_reg_sect;
if (which == 0) {
if (core_reg_size < sizeof (struct regs))
error ("Can't find registers in core file");
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memcpy (registers, (char *)regs, 16 * 4);
supply_register (PS_REGNUM, (char *)&regs->r_ps);
supply_register (PC_REGNUM, (char *)&regs->r_pc);
} else if (which == 2) {
#define fpustruct ((struct fpu *) core_reg_sect)
if (core_reg_size >= sizeof (struct fpu))
{
#ifdef FP0_REGNUM
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memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)],
fpustruct->f_fpstatus.fps_regs,
sizeof fpustruct->f_fpstatus.fps_regs);
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memcpy (&registers[REGISTER_BYTE (FPC_REGNUM)],
&fpustruct->f_fpstatus.fps_control,
sizeof fpustruct->f_fpstatus -
sizeof fpustruct->f_fpstatus.fps_regs);
#endif
}
else
fprintf_unfiltered (gdb_stderr, "Couldn't read float regs from core file\n");
}
}
* coredep.c: Renamed to core-aout.c * core-svr4.c: Renamed to core-regset.c * Makefile.in (ALLDEPFILES): Account for renamings. * corelow.c (core_file_fns): Add, points to chain of structs. (add_core_fns): New function to build chain of structs. (get_core_registers): Modify to search core functions chain and call appropriate fetch_core_registers function based on core file flavour. * gdbcore.h (fetch_core_registers): Remove declaration. (struct core_fns): Define struct for core function info. * i386m3-nat.c: Update comment for filename change (coredep->core-aout) * a68v-nat.c (fetch_core_registers): Remove stub, not needed now. * alpha-nat.c (fetch_core_registers): Make static. (alpha_core_fns, _initialize_core_alpha): New struct and func. * core-aout.c (fetch_core_registers): Make static (aout_core_fns, _initialize_core_aout): New struct and func. * core-regset.c (fetch_core_registers): Make static. (regset_core_fns, _initialize_core_regset): New struct and func. * core-sol2.c (fetch_core_registers): Make static. (solaris_core_fns, _initialize_core_solaris): New struct and func. * hp300ux-nat.c (fetch_core_registers): Make static. (hp300ux_core_fns, _initialize_core_hp300ux): New struct and func. * i386aix-nat.c (fetch_core_registers): Make static. (i386aix_core_fns, _initialize_core_i386aix): New struct and func. * i386mach-nat.c (fetch_core_registers: Make static. (i386mach_core_fns, _initialize_core_i386mach): New struct and func. * irix4-nat.c (fetch_core_registers): Make static. (irix4_core_fns, _initialize_core_irix4): New struct and func. * irix5-nat.c (fetch_core_registers): (irix5_core_fns, _initialize_core_irix5): New struct and func. * lynx-nat.c (fetch_core_registers): Make static. (lynx_core_fns, _initialize_core_lynx): New struct and func. * mips-nat.c (fetch_core_registers): Make static. (mips_core_fns, _initialize_core_mips): New struct and func. * ns32km3-nat.c (fetch_core_registers): Remove stub. * rs6000-nat.c (fetch_core_registers): Make static. (rs6000_core_fns, _initialize_core_rs6000): New struct and func. * sparc-nat.c (fetch_core_registers): Make static. (sparc_core_fns, _initialize_core_sparc): New struct and func. * sun3-nat.c (fetch_core_registers): (sun3_core_fns, _initialize_core_sun3): New struct and func. * sun386-nat.c (fetch_core_registers): Remove stub. * ultra3-nat.c (fetch_core_registers): Make static. (ultra3_core_fns, _initialize_core_ultra3): New struct and func. * config/gould/pn.mh (XDEPFILES), config/i386/fbsd.mh (NATDEPFILES), config/i386/i386bsd.mh (NATDEPFILES), config/i386/i386m3.mh (XDEPFILES), config/i386/i386sco.mh (NATDEPFILES), config/i386/i386sco4.mh (NATDEPFILES), config/i386/i386v.mh (NATDEPFILES), config/i386/i386v32.mh (NATDEPFILES), config/i386/nbsd.mh (NATDEPFILES), config/i386/ptx.mh (XDEPFILES), config/i386/ptx4.mh (XDEPFILES), config/i386/symmetry.mh (NATDEPFILES), config/m68k/3b1.mh (XDEPFILES), config/m68k/cisco.mt (TDEPFILES), config/m68k/delta68.mh (NATDEPFILES), config/m68k/dpx2.mh (NATDEPFILES), config/m68k/hp300bsd.mh (NATDEPFILES), config/m68k/hp300hpux.mh (NATDEPFILES), config/m68k/isi.mh (XDEPFILES), config/m68k/news.mh (NATDEPFILES), config/m68k/news1000.mh (XDEPFILES), config/m88k/cxux.mh (NATDEPFILES), config/m88k/delta88.mh (NATDEPFILES), config/mips/littlemips.mh (XDEPFILES), config/mips/mipsm3.mh (XDEPFILES), config/ns32k/merlin.mh (XDEPFILES), config/ns32k/nbsd.mh (NATDEPFILES), config/ns32k/ns32km3.mh (NATDEPFILES), config/pa/hppabsd.mh (NATDEPFILES), config/pa/hppahpux.mh (NATDEPFILES), config/romp/rtbsd.mh (XDEPFILES), config/tahoe/tahoe.mh (XDEPFILES), config/vax/vaxbsd.mh (XDEPFILES), config/vax/vaxult.mh (NATDEPFILES), config/vax/vaxult2.mh (NATDEPFILES), Account for coredep.o to core-aout.o name change. * config/i386/i386dgux (NATDEPFILES), config/i386/i386sol2.mh (NATDEPFILES), config/i386/i386v4.mh (NATDEPFILES), config/i386/linux.mh (NATDEPFILES), config/i386/ncr3000.mh (NATDEPFILES), config/m68k/m68kv4.mh (NATDEPFILES), config/m88k/delta88v4.mh (NATDEPFILES), config/mips/mipsv4.mh (NATDEPFILES), Account for core-svr4.o to core-regset.o name change.
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/* Register that we are able to handle sun3 core file formats.
FIXME: is this really bfd_target_unknown_flavour? */
static struct core_fns sun3_core_fns =
{
bfd_target_unknown_flavour,
fetch_core_registers,
NULL
};
void
_initialize_core_sun3 ()
{
add_core_fns (&sun3_core_fns);
}