mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-12-04 02:02:22 +00:00
118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/* Machine independent support for Solaris 2 core files for GDB.
|
|
Copyright 1994 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
|
|
/* Solaris comes with two flavours of core files, cores generated by
|
|
an ELF executable and cores generated by programs that were
|
|
run under BCP (the part of Solaris which allows it to run SunOS4
|
|
a.out files).
|
|
This file combines the core register fetching from core-svr4.c
|
|
and sparc-nat.c to be able to read both flavours. */
|
|
|
|
#include "defs.h"
|
|
#undef gregset_t
|
|
#undef fpregset_t
|
|
|
|
#include <time.h>
|
|
#include <sys/regset.h>
|
|
#include <sys/procfs.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include "gdb_string.h"
|
|
|
|
#include "inferior.h"
|
|
#include "target.h"
|
|
#include "command.h"
|
|
#include "gdbcore.h"
|
|
|
|
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 */
|
|
{
|
|
prgregset_t prgregset;
|
|
prfpregset_t prfpregset;
|
|
|
|
if (which == 0)
|
|
{
|
|
if (core_reg_size == sizeof (prgregset))
|
|
{
|
|
memcpy ((char *) &prgregset, core_reg_sect, sizeof (prgregset));
|
|
supply_gregset (&prgregset);
|
|
}
|
|
else if (core_reg_size == sizeof (struct regs))
|
|
{
|
|
#define gregs ((struct regs *)core_reg_sect)
|
|
/* G0 *always* holds 0. */
|
|
*(int *)®isters[REGISTER_BYTE (0)] = 0;
|
|
|
|
/* The globals and output registers. */
|
|
memcpy (®isters[REGISTER_BYTE (G1_REGNUM)], &gregs->r_g1,
|
|
15 * REGISTER_RAW_SIZE (G1_REGNUM));
|
|
*(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = gregs->r_ps;
|
|
*(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = gregs->r_pc;
|
|
*(int *)®isters[REGISTER_BYTE (NPC_REGNUM)] = gregs->r_npc;
|
|
*(int *)®isters[REGISTER_BYTE (Y_REGNUM)] = gregs->r_y;
|
|
|
|
/* My best guess at where to get the locals and input
|
|
registers is exactly where they usually are, right above
|
|
the stack pointer. If the core dump was caused by a bus error
|
|
from blowing away the stack pointer (as is possible) then this
|
|
won't work, but it's worth the try. */
|
|
{
|
|
int sp;
|
|
|
|
sp = *(int *)®isters[REGISTER_BYTE (SP_REGNUM)];
|
|
if (0 != target_read_memory (sp,
|
|
®isters[REGISTER_BYTE (L0_REGNUM)],
|
|
16 * REGISTER_RAW_SIZE (L0_REGNUM)))
|
|
{
|
|
warning ("couldn't read input and local registers from core file\n");
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
warning ("wrong size gregset struct in core file");
|
|
}
|
|
}
|
|
else if (which == 2)
|
|
{
|
|
if (core_reg_size == sizeof (prfpregset))
|
|
{
|
|
memcpy ((char *) &prfpregset, core_reg_sect, sizeof (prfpregset));
|
|
supply_fpregset (&prfpregset);
|
|
}
|
|
else if (core_reg_size >= sizeof (struct fpu))
|
|
{
|
|
#define fpuregs ((struct fpu *) core_reg_sect)
|
|
memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], &fpuregs->fpu_fr,
|
|
sizeof (fpuregs->fpu_fr));
|
|
memcpy (®isters[REGISTER_BYTE (FPS_REGNUM)], &fpuregs->fpu_fsr,
|
|
sizeof (FPU_FSR_TYPE));
|
|
}
|
|
else
|
|
{
|
|
warning ("wrong size fpregset struct in core file");
|
|
}
|
|
}
|
|
}
|