binutils-gdb/bfd/corefile.c

192 lines
4.6 KiB
C
Raw Normal View History

1999-05-03 09:29:11 +02:00
/* Core file generic interface routines for BFD.
Copyright 1990, 1991, 1992, 1993, 1994, 2000, 2001, 2002, 2003, 2005,
2007 Free Software Foundation, Inc.
1999-05-03 09:29:11 +02:00
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
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 3 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., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
1999-05-03 09:29:11 +02:00
/*
SECTION
Core files
SUBSECTION
Core file functions
1999-05-03 09:29:11 +02:00
DESCRIPTION
These are functions pertaining to core files.
*/
#include "sysdep.h"
#include "bfd.h"
1999-05-03 09:29:11 +02:00
#include "libbfd.h"
/*
FUNCTION
bfd_core_file_failing_command
SYNOPSIS
2003-06-29 12:06:40 +02:00
const char *bfd_core_file_failing_command (bfd *abfd);
1999-05-03 09:29:11 +02:00
DESCRIPTION
Return a read-only string explaining which program was running
when it failed and produced the core file @var{abfd}.
*/
const char *
2003-06-29 12:06:40 +02:00
bfd_core_file_failing_command (bfd *abfd)
1999-05-03 09:29:11 +02:00
{
2003-06-29 12:06:40 +02:00
if (abfd->format != bfd_core)
{
bfd_set_error (bfd_error_invalid_operation);
return NULL;
}
1999-05-03 09:29:11 +02:00
return BFD_SEND (abfd, _core_file_failing_command, (abfd));
}
/*
FUNCTION
bfd_core_file_failing_signal
SYNOPSIS
2003-06-29 12:06:40 +02:00
int bfd_core_file_failing_signal (bfd *abfd);
1999-05-03 09:29:11 +02:00
DESCRIPTION
Returns the signal number which caused the core dump which
generated the file the BFD @var{abfd} is attached to.
*/
int
2003-06-29 12:06:40 +02:00
bfd_core_file_failing_signal (bfd *abfd)
1999-05-03 09:29:11 +02:00
{
2003-06-29 12:06:40 +02:00
if (abfd->format != bfd_core)
{
bfd_set_error (bfd_error_invalid_operation);
return 0;
}
1999-05-03 09:29:11 +02:00
return BFD_SEND (abfd, _core_file_failing_signal, (abfd));
}
2010-08-18 Pedro Alves <pedro@codesourcery.com> PR corefile/8210 bfd/ * bfd-in2.h: Regenerate. * corefile.c (bfd_core_file_pid): New. * targets.c (BFD_JUMP_TABLE_CORE): Add NAME##_core_file_pid. (struct bfd_target) <_core_file_pid>: New. * libbfd-in.h (_bfd_nocore_core_file_pid): Declare. * libbfd.c (_bfd_nocore_core_file_pid): New. * elf-bfd.h (bfd_elf32_core_file_pid, bfd_elf64_core_file_pid): Declare. * elfcode.h (elf_core_file_pid): New define. * elfcore.h (elf_core_file_pid): New function. * elf.c (elfcore_make_pid): Rewrite. (elfcore_grok_prstatus): Only set core_pid if not set yet. (elfcore_grok_prstatus) [!HAVE_PRSTATUS_T_PR_WHO]: Fallback to getting the lwpid from prstat.pr_pid. * elf64-x86-64.c (elf64_x86_64_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. (elf64_x86_64_grok_psinfo): Extract the the main process's PID, and store it in elf_tdata's core_pid field. * elf32-i386.c (elf_i386_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. (elf_i386_grok_psinfo): Extract the the main process's PID, and store it in elf_tdata's core_pid field. * elf32-am33lin.c (elf32_am33lin_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-arm.c (elf32_arm_nabi_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-cris.c (cris_elf_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-frv.c (elf32_frv_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-hppa.c (elf32_hppa_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-mips.c (elf32_mips_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-ppc.c (ppc_elf_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-s390.c (elf_s390_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-score.c (s3_bfd_score_elf_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-score7.c (s7_bfd_score_elf_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-sh.c (elf32_shlin_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf32-xtensa.c (elf_xtensa_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf64-hppa.c (elf64_hppa_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf64-mips.c (elf64_mips_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elf64-ppc.c (ppc64_elf_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * elfn32-mips.c (elf32_mips_grok_prstatus): Write the LWPID to elf_tdata's core_lwpid instead of to core_pid. * plugin.c (bfd_plugin_core_file_pid): New function. * aout-target.h (MY_core_file_pid): Define. * aout-tic30.c (MY_core_file_pid, MY_core_file_p): New defines. * coff-rs6000.c (coff_core_file_pid): New define. (rs6000coff_vec, pmac_xcoff_vec): Use BFD_JUMP_TABLE_CORE. * coff64-rs6000.c (coff_core_file_pid): New define. (rs6000coff64_vec): Use BFD_JUMP_TABLE_CORE. (xcoff64_core_file_pid): New define. (aix5coff64_vec): Use BFD_JUMP_TABLE_CORE. * mach-o-target.c (bfd_mach_o_core_file_pid): New define. * aix386-core.c (aix386_core_file_pid): New define. * hppabsd-core.c (hppabsd_core_core_file_pid): New define. * hpux-core.c (hpux_core_core_file_pid): New define. * irix-core.c (irix_core_core_file_pid): New define. * lynx-core.c (lynx_core_file_pid): New define. * osf-core.c (osf_core_core_file_pid): New define. * ptrace-core.c (ptrace_unix_core_file_pid): New define. * sco5-core.c (sco5_core_file_pid): New define. * xcoff-target.h (coff_core_file_pid): New define. * netbsd-core.c (netbsd_core_core_file_pid): New define. gdb/ 2010-08-18 Pedro Alves <pedro@codesourcery.com> PR corefile/8210 gdb/ * corelow.c (add_to_thread_list): Don't use gdbarch_core_reg_section_encodes_pid. Use bfd_core_file_pid. (get_core_register_section): Don't use gdbarch_core_reg_section_encodes_pid. * gdbarch.sh (core_reg_section_encodes_pid): Delete. * gdbarch.h, gdbarch.c: Regenerate. * amd64-sol2-tdep.c (amd64_sol2_init_abi): Don't set gdbarch_core_reg_section_encodes_pid. * i386-sol2-tdep.c (i386_sol2_init_abi): Ditto. * sparc-sol2-tdep.c (sparc32_sol2_init_abi): Ditto. * sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Ditto.
2010-08-18 14:24:13 +02:00
/*
FUNCTION
bfd_core_file_pid
SYNOPSIS
int bfd_core_file_pid (bfd *abfd);
DESCRIPTION
Returns the PID of the process the core dump the BFD
@var{abfd} is attached to was generated from.
*/
int
bfd_core_file_pid (bfd *abfd)
{
if (abfd->format != bfd_core)
{
bfd_set_error (bfd_error_invalid_operation);
return 0;
}
return BFD_SEND (abfd, _core_file_pid, (abfd));
}
1999-05-03 09:29:11 +02:00
/*
FUNCTION
core_file_matches_executable_p
SYNOPSIS
bfd_boolean core_file_matches_executable_p
2003-06-29 12:06:40 +02:00
(bfd *core_bfd, bfd *exec_bfd);
1999-05-03 09:29:11 +02:00
DESCRIPTION
Return <<TRUE>> if the core file attached to @var{core_bfd}
1999-05-03 09:29:11 +02:00
was generated by a run of the executable file attached to
@var{exec_bfd}, <<FALSE>> otherwise.
1999-05-03 09:29:11 +02:00
*/
2003-06-29 12:06:40 +02:00
bfd_boolean
2003-06-29 12:06:40 +02:00
core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd)
1999-05-03 09:29:11 +02:00
{
2003-06-29 12:06:40 +02:00
if (core_bfd->format != bfd_core || exec_bfd->format != bfd_object)
{
bfd_set_error (bfd_error_wrong_format);
return FALSE;
}
return BFD_SEND (core_bfd, _core_file_matches_executable_p,
(core_bfd, exec_bfd));
1999-05-03 09:29:11 +02:00
}
/*
FUNCTION
generic_core_file_matches_executable_p
SYNOPSIS
bfd_boolean generic_core_file_matches_executable_p
(bfd *core_bfd, bfd *exec_bfd);
DESCRIPTION
Return TRUE if the core file attached to @var{core_bfd}
was generated by a run of the executable file attached
to @var{exec_bfd}. The match is based on executable
basenames only.
Note: When not able to determine the core file failing
command or the executable name, we still return TRUE even
though we're not sure that core file and executable match.
This is to avoid generating a false warning in situations
where we really don't know whether they match or not.
*/
bfd_boolean
generic_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd)
{
char *exec;
char *core;
char *last_slash;
if (exec_bfd == NULL || core_bfd == NULL)
return TRUE;
/* The cast below is to avoid a compiler warning due to the assignment
of the const char * returned by bfd_core_file_failing_command to a
non-const char *. In this case, the assignement does not lead to
breaking the const, as we're only reading the string. */
core = (char *) bfd_core_file_failing_command (core_bfd);
if (core == NULL)
return TRUE;
exec = bfd_get_filename (exec_bfd);
if (exec == NULL)
return TRUE;
last_slash = strrchr (core, '/');
if (last_slash != NULL)
core = last_slash + 1;
last_slash = strrchr (exec, '/');
if (last_slash != NULL)
exec = last_slash + 1;
return filename_cmp (exec, core) == 0;
}