Commit | Line | Data |
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252b5132 | 1 | /* Core file generic interface routines for BFD. |
70949bf1 | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 2000, 2001, 2002, 2003, 2005 |
7898deda | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Cygnus Support. |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
3e110533 | 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
21 | |
22 | /* | |
23 | SECTION | |
24 | Core files | |
25 | ||
1b74d094 BW |
26 | SUBSECTION |
27 | Core file functions | |
28 | ||
252b5132 RH |
29 | DESCRIPTION |
30 | These are functions pertaining to core files. | |
31 | */ | |
32 | ||
33 | #include "bfd.h" | |
34 | #include "sysdep.h" | |
35 | #include "libbfd.h" | |
36 | ||
252b5132 RH |
37 | /* |
38 | FUNCTION | |
39 | bfd_core_file_failing_command | |
40 | ||
41 | SYNOPSIS | |
c58b9523 | 42 | const char *bfd_core_file_failing_command (bfd *abfd); |
252b5132 RH |
43 | |
44 | DESCRIPTION | |
45 | Return a read-only string explaining which program was running | |
46 | when it failed and produced the core file @var{abfd}. | |
47 | ||
48 | */ | |
49 | ||
3f9c735e | 50 | const char * |
c58b9523 | 51 | bfd_core_file_failing_command (bfd *abfd) |
252b5132 | 52 | { |
c58b9523 AM |
53 | if (abfd->format != bfd_core) |
54 | { | |
55 | bfd_set_error (bfd_error_invalid_operation); | |
56 | return NULL; | |
57 | } | |
252b5132 RH |
58 | return BFD_SEND (abfd, _core_file_failing_command, (abfd)); |
59 | } | |
60 | ||
61 | /* | |
62 | FUNCTION | |
63 | bfd_core_file_failing_signal | |
64 | ||
65 | SYNOPSIS | |
c58b9523 | 66 | int bfd_core_file_failing_signal (bfd *abfd); |
252b5132 RH |
67 | |
68 | DESCRIPTION | |
69 | Returns the signal number which caused the core dump which | |
70 | generated the file the BFD @var{abfd} is attached to. | |
71 | */ | |
72 | ||
73 | int | |
c58b9523 | 74 | bfd_core_file_failing_signal (bfd *abfd) |
252b5132 | 75 | { |
c58b9523 AM |
76 | if (abfd->format != bfd_core) |
77 | { | |
78 | bfd_set_error (bfd_error_invalid_operation); | |
79 | return 0; | |
80 | } | |
252b5132 RH |
81 | return BFD_SEND (abfd, _core_file_failing_signal, (abfd)); |
82 | } | |
83 | ||
252b5132 RH |
84 | /* |
85 | FUNCTION | |
86 | core_file_matches_executable_p | |
87 | ||
88 | SYNOPSIS | |
b34976b6 | 89 | bfd_boolean core_file_matches_executable_p |
c58b9523 | 90 | (bfd *core_bfd, bfd *exec_bfd); |
252b5132 RH |
91 | |
92 | DESCRIPTION | |
b34976b6 | 93 | Return <<TRUE>> if the core file attached to @var{core_bfd} |
252b5132 | 94 | was generated by a run of the executable file attached to |
b34976b6 | 95 | @var{exec_bfd}, <<FALSE>> otherwise. |
252b5132 | 96 | */ |
c58b9523 | 97 | |
b34976b6 | 98 | bfd_boolean |
c58b9523 | 99 | core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd) |
252b5132 | 100 | { |
c58b9523 AM |
101 | if (core_bfd->format != bfd_core || exec_bfd->format != bfd_object) |
102 | { | |
103 | bfd_set_error (bfd_error_wrong_format); | |
104 | return FALSE; | |
105 | } | |
106 | ||
107 | return BFD_SEND (core_bfd, _core_file_matches_executable_p, | |
108 | (core_bfd, exec_bfd)); | |
252b5132 | 109 | } |
69d246d9 JB |
110 | |
111 | /* | |
112 | FUNCTION | |
113 | generic_core_file_matches_executable_p | |
114 | ||
115 | SYNOPSIS | |
116 | bfd_boolean generic_core_file_matches_executable_p | |
9bf46c00 | 117 | (bfd *core_bfd, bfd *exec_bfd); |
69d246d9 JB |
118 | |
119 | DESCRIPTION | |
120 | Return TRUE if the core file attached to @var{core_bfd} | |
121 | was generated by a run of the executable file attached | |
122 | to @var{exec_bfd}. The match is based on executable | |
123 | basenames only. | |
124 | ||
125 | Note: When not able to determine the core file failing | |
126 | command or the executable name, we still return TRUE even | |
127 | though we're not sure that core file and executable match. | |
128 | This is to avoid generating a false warning in situations | |
129 | where we really don't know whether they match or not. | |
130 | */ | |
131 | ||
132 | bfd_boolean | |
133 | generic_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd) | |
134 | { | |
135 | char *exec; | |
136 | char *core; | |
137 | char *last_slash; | |
138 | ||
139 | if (exec_bfd == NULL || core_bfd == NULL) | |
140 | return TRUE; | |
141 | ||
142 | /* The cast below is to avoid a compiler warning due to the assignment | |
143 | of the const char * returned by bfd_core_file_failing_command to a | |
144 | non-const char *. In this case, the assignement does not lead to | |
145 | breaking the const, as we're only reading the string. */ | |
146 | ||
147 | core = (char *) bfd_core_file_failing_command (core_bfd); | |
148 | if (core == NULL) | |
149 | return TRUE; | |
150 | ||
151 | exec = bfd_get_filename (exec_bfd); | |
152 | if (exec == NULL) | |
153 | return TRUE; | |
154 | ||
155 | last_slash = strrchr (core, '/'); | |
156 | if (last_slash != NULL) | |
157 | core = last_slash + 1; | |
158 | ||
159 | last_slash = strrchr (exec, '/'); | |
160 | if (last_slash != NULL) | |
161 | exec = last_slash + 1; | |
162 | ||
163 | return strcmp (exec, core) == 0; | |
164 | } | |
165 |