| /* Core file generic interface routines for BFD. |
| Copyright (C) 1990-2024 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 |
| bool 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. |
| */ |
| |
| bool |
| 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 |
| bool 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. |
| */ |
| |
| bool |
| generic_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd) |
| { |
| const char *exec; |
| const char *core; |
| const 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 = 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; |
| } |
| |