forked from KolibriOS/kolibrios
191 lines
4.6 KiB
C
191 lines
4.6 KiB
C
/* Core file generic interface routines for BFD.
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Copyright (C) 1990-2015 Free Software Foundation, Inc.
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Written by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/*
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SECTION
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Core files
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SUBSECTION
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Core file functions
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DESCRIPTION
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These are functions pertaining to core files.
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*/
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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/*
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FUNCTION
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bfd_core_file_failing_command
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SYNOPSIS
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const char *bfd_core_file_failing_command (bfd *abfd);
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DESCRIPTION
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Return a read-only string explaining which program was running
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when it failed and produced the core file @var{abfd}.
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*/
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const char *
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bfd_core_file_failing_command (bfd *abfd)
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{
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if (abfd->format != bfd_core)
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{
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bfd_set_error (bfd_error_invalid_operation);
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return NULL;
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}
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return BFD_SEND (abfd, _core_file_failing_command, (abfd));
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}
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/*
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FUNCTION
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bfd_core_file_failing_signal
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SYNOPSIS
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int bfd_core_file_failing_signal (bfd *abfd);
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DESCRIPTION
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Returns the signal number which caused the core dump which
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generated the file the BFD @var{abfd} is attached to.
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*/
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int
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bfd_core_file_failing_signal (bfd *abfd)
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{
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if (abfd->format != bfd_core)
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{
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bfd_set_error (bfd_error_invalid_operation);
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return 0;
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}
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return BFD_SEND (abfd, _core_file_failing_signal, (abfd));
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}
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/*
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FUNCTION
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bfd_core_file_pid
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SYNOPSIS
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int bfd_core_file_pid (bfd *abfd);
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DESCRIPTION
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Returns the PID of the process the core dump the BFD
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@var{abfd} is attached to was generated from.
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*/
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int
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bfd_core_file_pid (bfd *abfd)
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{
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if (abfd->format != bfd_core)
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{
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bfd_set_error (bfd_error_invalid_operation);
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return 0;
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}
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return BFD_SEND (abfd, _core_file_pid, (abfd));
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}
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/*
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FUNCTION
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core_file_matches_executable_p
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SYNOPSIS
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bfd_boolean core_file_matches_executable_p
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(bfd *core_bfd, bfd *exec_bfd);
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DESCRIPTION
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Return <<TRUE>> if the core file attached to @var{core_bfd}
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was generated by a run of the executable file attached to
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@var{exec_bfd}, <<FALSE>> otherwise.
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*/
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bfd_boolean
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core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd)
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{
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if (core_bfd->format != bfd_core || exec_bfd->format != bfd_object)
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{
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bfd_set_error (bfd_error_wrong_format);
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return FALSE;
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}
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return BFD_SEND (core_bfd, _core_file_matches_executable_p,
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(core_bfd, exec_bfd));
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}
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/*
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FUNCTION
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generic_core_file_matches_executable_p
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SYNOPSIS
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bfd_boolean generic_core_file_matches_executable_p
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(bfd *core_bfd, bfd *exec_bfd);
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DESCRIPTION
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Return TRUE if the core file attached to @var{core_bfd}
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was generated by a run of the executable file attached
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to @var{exec_bfd}. The match is based on executable
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basenames only.
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Note: When not able to determine the core file failing
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command or the executable name, we still return TRUE even
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though we're not sure that core file and executable match.
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This is to avoid generating a false warning in situations
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where we really don't know whether they match or not.
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*/
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bfd_boolean
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generic_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd)
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{
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char *exec;
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char *core;
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char *last_slash;
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if (exec_bfd == NULL || core_bfd == NULL)
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return TRUE;
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/* The cast below is to avoid a compiler warning due to the assignment
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of the const char * returned by bfd_core_file_failing_command to a
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non-const char *. In this case, the assignement does not lead to
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breaking the const, as we're only reading the string. */
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core = (char *) bfd_core_file_failing_command (core_bfd);
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if (core == NULL)
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return TRUE;
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exec = bfd_get_filename (exec_bfd);
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if (exec == NULL)
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return TRUE;
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last_slash = strrchr (core, '/');
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if (last_slash != NULL)
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core = last_slash + 1;
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last_slash = strrchr (exec, '/');
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if (last_slash != NULL)
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exec = last_slash + 1;
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return filename_cmp (exec, core) == 0;
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}
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