/* Core file generic interface routines for BFD.
- Copyright 1990, 1991, 1992, 1993, 1994, 2000
- Free Software Foundation, Inc.
+ Copyright (C) 1990-2023 Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 2 of the License, or
-(at your option) any later version.
+ 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.
+ 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. */
+ 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 "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
/*
bfd_core_file_failing_command
SYNOPSIS
- CONST char *bfd_core_file_failing_command(bfd *abfd);
+ const char *bfd_core_file_failing_command (bfd *abfd);
DESCRIPTION
Return a read-only string explaining which program was running
*/
-CONST char *
-bfd_core_file_failing_command (abfd)
- bfd *abfd;
+const char *
+bfd_core_file_failing_command (bfd *abfd)
{
- if (abfd->format != bfd_core) {
- bfd_set_error (bfd_error_invalid_operation);
- return NULL;
- }
+ if (abfd->format != bfd_core)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return NULL;
+ }
return BFD_SEND (abfd, _core_file_failing_command, (abfd));
}
bfd_core_file_failing_signal
SYNOPSIS
- int bfd_core_file_failing_signal(bfd *abfd);
+ int bfd_core_file_failing_signal (bfd *abfd);
DESCRIPTION
Returns the signal number which caused the core dump which
*/
int
-bfd_core_file_failing_signal (abfd)
- bfd *abfd;
+bfd_core_file_failing_signal (bfd *abfd)
{
- if (abfd->format != bfd_core) {
- bfd_set_error (bfd_error_invalid_operation);
- return 0;
- }
+ 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
- boolean core_file_matches_executable_p
- (bfd *core_bfd, bfd *exec_bfd);
+ bool core_file_matches_executable_p
+ (bfd *core_bfd, bfd *exec_bfd);
DESCRIPTION
- Return <<true>> if the core file attached to @var{core_bfd}
+ 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.
+ @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.
*/
-boolean
-core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd, *exec_bfd;
+
+bool
+generic_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;
- }
+ 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;
- return BFD_SEND (core_bfd, _core_file_matches_executable_p,
- (core_bfd, exec_bfd));
+ 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;
}
+
projects / thirdparty / binutils-gdb.git / blobdiff