+++ /dev/null
-/* Machine independent support for Solaris 2 core files for GDB.
- Copyright 1994, 1995, 1996, 1998, 1999, 2000, 2001
- 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"
-
-#if defined (__sparcv9)
-/* Fails to get included by the Solaris system header files. */
-# include <v9/sys/privregs.h>
-#endif
-
-#include <time.h>
-#include <sys/types.h>
-#include <sys/regset.h>
-#include <sys/procfs.h>
-#include <fcntl.h>
-#include <errno.h>
-#include "gdb_string.h"
-#include "regcache.h"
-
-#include "inferior.h"
-#include "target.h"
-#include "command.h"
-#include "gdbcore.h"
-
-/* Prototypes for supply_gregset etc. */
-#include "gregset.h"
-
-static void fetch_core_registers (char *, unsigned, int, CORE_ADDR);
-
-/* Fetch registers from core file data pointed to by CORE_REG_SECT. When
- WHICH is 0, the the general register set is fetched; when WHICH is
- 2, the floating point registers are fetched. CORE_REG_SIZE is used
- to validate the size of the data pointed to by CORE_REG_SECT. REG_ADDR
- is unused. */
-
-static void
-fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
- CORE_ADDR reg_addr)
-{
- int i;
-
- if (which == 0)
- {
- prgregset_t prgregset;
-
- if (core_reg_size == sizeof (prgregset_t))
- {
- memcpy ((char *) &prgregset, core_reg_sect, sizeof (prgregset));
- supply_gregset (&prgregset);
- }
-#if defined (HAVE_PRGREGSET32_T)
- /* 32-bit corefile, 64-bit debugger. */
- else if (core_reg_size == sizeof (prgregset32_t))
- {
- prgreg32_t *core_gregs;
-
- /* Can't use memcpy here, because the core file contains
- 32-bit regs; supply_register expects 64-bit regs. */
- core_gregs = (prgreg32_t *) core_reg_sect;
- for (i = 0; i < NPRGREG; i++)
- prgregset[i] = core_gregs[i];
-
- supply_gregset (&prgregset);
- }
-#endif /* HAVE_PRGREGSET32_T */
- else if (core_reg_size == sizeof (struct regs))
- {
- struct regs *gregs = (struct regs *) core_reg_sect;
-
- /* G0 *always* holds 0. */
- *(int *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (0)] = 0;
-
- /* The globals and output registers. */
- memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (G1_REGNUM)],
- &gregs->r_g1, 15 * DEPRECATED_REGISTER_RAW_SIZE (G1_REGNUM));
- *(int *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (PS_REGNUM)]
- = gregs->r_ps;
- *(int *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (PC_REGNUM)]
- = gregs->r_pc;
- *(int *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (gdbarch_tdep (current_gdbarch)->npc_regnum)]
- = gregs->r_npc;
- *(int *) &deprecated_registers[DEPRECATED_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 *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (SP_REGNUM)];
- if (0 != target_read_memory (sp,
- &deprecated_registers[DEPRECATED_REGISTER_BYTE (L0_REGNUM)],
- 16 * DEPRECATED_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)
- {
- prfpregset_t prfpregset;
-
- if (core_reg_size == sizeof (prfpregset_t))
- {
- memcpy ((char *) &prfpregset, core_reg_sect, sizeof (prfpregset));
- supply_fpregset (&prfpregset);
- }
-#if defined (HAVE_PRFPREGSET32_T)
- /* 32-bit corefile, 64-bit debugger. */
- else if (core_reg_size == sizeof (prfpregset32_t))
- {
- prfpregset32_t *core_fpregset;
-
- /* Can't use memcpy here, because the core file contains
- 32-bit regs; supply_fpregset expects 64-bit regs. */
-
- core_fpregset = (prfpregset32_t *) core_reg_sect;
- for (i = 0; i < 16; i++)
- prfpregset.pr_fr.pr_dregs[i] = core_fpregset->pr_fr.pr_dregs[i];
- while (i < 32)
- prfpregset.pr_fr.pr_dregs[i++] = 0;
-
- prfpregset.pr_fsr = core_fpregset->pr_fsr;
- prfpregset.pr_qcnt = core_fpregset->pr_qcnt;
- prfpregset.pr_q_entrysize = core_fpregset->pr_q_entrysize;
- prfpregset.pr_en = core_fpregset->pr_en;
- /* We will not use the pr_q array. */
-
- supply_fpregset (&prfpregset);
- }
-#endif /* HAVE_PRFPREGSET32_T */
- else if (core_reg_size >= sizeof (struct fpu))
- {
- struct fpu *fpuregs = (struct fpu *) core_reg_sect;
-
- memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
- &fpuregs->fpu_fr, sizeof (fpuregs->fpu_fr));
- memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPS_REGNUM)],
- &fpuregs->fpu_fsr, sizeof (FPU_FSR_TYPE));
- }
- else
- {
- warning ("wrong size fpregset struct in core file");
- }
- }
-}
-\f
-
-/* Register that we are able to handle solaris core file formats. */
-
-static struct core_fns solaris_core_fns =
-{
- bfd_target_elf_flavour, /* core_flavour */
- default_check_format, /* check_format */
- default_core_sniffer, /* core_sniffer */
- fetch_core_registers, /* core_read_registers */
- NULL /* next */
-};
-
-void
-_initialize_core_solaris (void)
-{
- add_core_fns (&solaris_core_fns);
-}
projects / deliverable / binutils-gdb.git / commitdiff
