136 lines
4.0 KiB
C
136 lines
4.0 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-regset.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"
|
||
|
||
static void fetch_core_registers PARAMS ((char *, unsigned, int, CORE_ADDR));
|
||
|
||
static void
|
||
fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
|
||
char *core_reg_sect;
|
||
unsigned core_reg_size;
|
||
int which;
|
||
CORE_ADDR 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");
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
/* Register that we are able to handle solaris core file formats. */
|
||
|
||
static struct core_fns solaris_core_fns =
|
||
{
|
||
bfd_target_elf_flavour,
|
||
fetch_core_registers,
|
||
NULL
|
||
};
|
||
|
||
void
|
||
_initialize_core_solaris ()
|
||
{
|
||
add_core_fns (&solaris_core_fns);
|
||
}
|