diff options
Diffstat (limited to 'binutils-2.25/bfd/corefile.c')
| -rw-r--r-- | binutils-2.25/bfd/corefile.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/corefile.c b/binutils-2.25/bfd/corefile.c new file mode 100644 index 00000000..8d629384 --- /dev/null +++ b/binutils-2.25/bfd/corefile.c @@ -0,0 +1,191 @@ +/* Core file generic interface routines for BFD. + Copyright 1990, 1991, 1992, 1993, 1994, 2000, 2001, 2002, 2003, 2005, + 2007 Free Software Foundation, Inc. + 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. */ + +/* +SECTION + Core files + +SUBSECTION + Core file functions + +DESCRIPTION + These are functions pertaining to core files. +*/ + +#include "sysdep.h" +#include "bfd.h" +#include "libbfd.h" + +/* +FUNCTION + bfd_core_file_failing_command + +SYNOPSIS + const char *bfd_core_file_failing_command (bfd *abfd); + +DESCRIPTION + Return a read-only string explaining which program was running + when it failed and produced the core file @var{abfd}. + +*/ + +const char * +bfd_core_file_failing_command (bfd *abfd) +{ + if (abfd->format != bfd_core) + { + bfd_set_error (bfd_error_invalid_operation); + return NULL; + } + return BFD_SEND (abfd, _core_file_failing_command, (abfd)); +} + +/* +FUNCTION + bfd_core_file_failing_signal + +SYNOPSIS + int bfd_core_file_failing_signal (bfd *abfd); + +DESCRIPTION + Returns the signal number which caused the core dump which + generated the file the BFD @var{abfd} is attached to. +*/ + +int +bfd_core_file_failing_signal (bfd *abfd) +{ + if (abfd->format != bfd_core) + { + bfd_set_error (bfd_error_invalid_operation); + return 0; + } + return BFD_SEND (abfd, _core_file_failing_signal, (abfd)); +} + +/* +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)); +} + + +/* +FUNCTION + core_file_matches_executable_p + +SYNOPSIS + bfd_boolean 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}, <<FALSE>> otherwise. +*/ + +bfd_boolean +core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd) +{ + 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)); +} + +/* +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; +} + |