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- /* 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., 675 Mass Ave, Cambridge, MA 02139, 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 <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");
- }
- }
- }
-