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Diffstat (limited to 'gdb/core-sol2.c')
| -rw-r--r-- | gdb/core-sol2.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/gdb/core-sol2.c b/gdb/core-sol2.c new file mode 100644 index 00000000000..3c69e63612d --- /dev/null +++ b/gdb/core-sol2.c @@ -0,0 +1,133 @@ +/* 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" +#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 "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); +} |