Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end for OSF/1 core files. |
edeb6e24 | 2 | Copyright 1993, 1994, 1995, 1998, 1999, 2001, 2002, 2003, 2004 |
dc810e39 | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | |
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
3e110533 | 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
20 | |
21 | /* This file can only be compiled on systems which use OSF/1 style | |
22 | core files. */ | |
23 | ||
24 | #include "bfd.h" | |
25 | #include "sysdep.h" | |
26 | #include "libbfd.h" | |
27 | ||
28 | #include <sys/user.h> | |
9b818146 | 29 | #ifdef OSF_CORE |
252b5132 | 30 | #include <sys/core.h> |
9b818146 | 31 | #endif |
252b5132 RH |
32 | |
33 | /* forward declarations */ | |
34 | ||
3f3c5c34 AM |
35 | static asection *make_bfd_asection |
36 | PARAMS ((bfd *, const char *, flagword, bfd_size_type, bfd_vma, file_ptr)); | |
b34976b6 AM |
37 | static const bfd_target *osf_core_core_file_p |
38 | PARAMS ((bfd *)); | |
39 | static char *osf_core_core_file_failing_command | |
40 | PARAMS ((bfd *)); | |
41 | static int osf_core_core_file_failing_signal | |
42 | PARAMS ((bfd *)); | |
69d246d9 | 43 | #define osf_core_core_file_matches_executable_p generic_core_file_matches_executable_p |
b34976b6 AM |
44 | static void swap_abort |
45 | PARAMS ((void)); | |
252b5132 RH |
46 | |
47 | /* These are stored in the bfd's tdata */ | |
48 | ||
dc810e39 | 49 | struct osf_core_struct |
252b5132 RH |
50 | { |
51 | int sig; | |
52 | char cmd[MAXCOMLEN + 1]; | |
53 | }; | |
54 | ||
55 | #define core_hdr(bfd) ((bfd)->tdata.osf_core_data) | |
56 | #define core_signal(bfd) (core_hdr(bfd)->sig) | |
57 | #define core_command(bfd) (core_hdr(bfd)->cmd) | |
58 | ||
59 | static asection * | |
eea6121a | 60 | make_bfd_asection (abfd, name, flags, size, vma, filepos) |
252b5132 | 61 | bfd *abfd; |
dc810e39 | 62 | const char *name; |
252b5132 | 63 | flagword flags; |
eea6121a | 64 | bfd_size_type size; |
252b5132 RH |
65 | bfd_vma vma; |
66 | file_ptr filepos; | |
67 | { | |
68 | asection *asect; | |
69 | ||
70 | asect = bfd_make_section_anyway (abfd, name); | |
71 | if (!asect) | |
72 | return NULL; | |
73 | ||
74 | asect->flags = flags; | |
eea6121a | 75 | asect->size = size; |
252b5132 RH |
76 | asect->vma = vma; |
77 | asect->filepos = filepos; | |
78 | asect->alignment_power = 8; | |
79 | ||
80 | return asect; | |
81 | } | |
82 | ||
252b5132 RH |
83 | static const bfd_target * |
84 | osf_core_core_file_p (abfd) | |
85 | bfd *abfd; | |
86 | { | |
87 | int val; | |
88 | int i; | |
89 | char *secname; | |
90 | struct core_filehdr core_header; | |
dc810e39 | 91 | bfd_size_type amt; |
252b5132 | 92 | |
dc810e39 AM |
93 | amt = sizeof core_header; |
94 | val = bfd_bread ((PTR) &core_header, amt, abfd); | |
252b5132 RH |
95 | if (val != sizeof core_header) |
96 | return NULL; | |
97 | ||
98 | if (strncmp (core_header.magic, "Core", 4) != 0) | |
99 | return NULL; | |
100 | ||
101 | core_hdr (abfd) = (struct osf_core_struct *) | |
dc810e39 | 102 | bfd_zalloc (abfd, (bfd_size_type) sizeof (struct osf_core_struct)); |
252b5132 RH |
103 | if (!core_hdr (abfd)) |
104 | return NULL; | |
105 | ||
106 | strncpy (core_command (abfd), core_header.name, MAXCOMLEN + 1); | |
107 | core_signal (abfd) = core_header.signo; | |
108 | ||
109 | for (i = 0; i < core_header.nscns; i++) | |
110 | { | |
111 | struct core_scnhdr core_scnhdr; | |
112 | flagword flags; | |
113 | ||
dc810e39 AM |
114 | amt = sizeof core_scnhdr; |
115 | val = bfd_bread ((PTR) &core_scnhdr, amt, abfd); | |
252b5132 RH |
116 | if (val != sizeof core_scnhdr) |
117 | break; | |
118 | ||
119 | /* Skip empty sections. */ | |
120 | if (core_scnhdr.size == 0 || core_scnhdr.scnptr == 0) | |
121 | continue; | |
122 | ||
123 | switch (core_scnhdr.scntype) | |
124 | { | |
125 | case SCNRGN: | |
126 | secname = ".data"; | |
127 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
128 | break; | |
129 | case SCNSTACK: | |
130 | secname = ".stack"; | |
131 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
132 | break; | |
133 | case SCNREGS: | |
134 | secname = ".reg"; | |
135 | flags = SEC_HAS_CONTENTS; | |
136 | break; | |
137 | default: | |
138 | (*_bfd_error_handler) (_("Unhandled OSF/1 core file section type %d\n"), | |
139 | core_scnhdr.scntype); | |
140 | continue; | |
141 | } | |
142 | ||
143 | if (!make_bfd_asection (abfd, secname, flags, | |
144 | (bfd_size_type) core_scnhdr.size, | |
145 | (bfd_vma) core_scnhdr.vaddr, | |
146 | (file_ptr) core_scnhdr.scnptr)) | |
9e7b37b3 | 147 | goto fail; |
252b5132 RH |
148 | } |
149 | ||
150 | /* OK, we believe you. You're a core file (sure, sure). */ | |
151 | ||
152 | return abfd->xvec; | |
9e7b37b3 AM |
153 | |
154 | fail: | |
155 | bfd_release (abfd, core_hdr (abfd)); | |
156 | core_hdr (abfd) = NULL; | |
157 | bfd_section_list_clear (abfd); | |
158 | return NULL; | |
252b5132 RH |
159 | } |
160 | ||
161 | static char * | |
162 | osf_core_core_file_failing_command (abfd) | |
163 | bfd *abfd; | |
164 | { | |
165 | return core_command (abfd); | |
166 | } | |
167 | ||
252b5132 RH |
168 | static int |
169 | osf_core_core_file_failing_signal (abfd) | |
170 | bfd *abfd; | |
171 | { | |
172 | return core_signal (abfd); | |
173 | } | |
252b5132 | 174 | \f |
252b5132 RH |
175 | /* If somebody calls any byte-swapping routines, shoot them. */ |
176 | static void | |
177 | swap_abort() | |
178 | { | |
179 | abort(); /* This way doesn't require any declaration for ANSI to fuck up */ | |
180 | } | |
8ce8c090 | 181 | |
edeb6e24 AM |
182 | #define NO_GET ((bfd_vma (*) (const void *)) swap_abort) |
183 | #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort) | |
184 | #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort) | |
8ce8c090 AM |
185 | #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort) |
186 | #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort) | |
187 | #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort) | |
252b5132 RH |
188 | |
189 | const bfd_target osf_core_vec = | |
190 | { | |
191 | "osf-core", | |
192 | bfd_target_unknown_flavour, | |
a68d41fb AM |
193 | BFD_ENDIAN_LITTLE, /* target byte order */ |
194 | BFD_ENDIAN_LITTLE, /* target headers byte order */ | |
252b5132 RH |
195 | (HAS_RELOC | EXEC_P | /* object flags */ |
196 | HAS_LINENO | HAS_DEBUG | | |
197 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
198 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ | |
199 | 0, /* symbol prefix */ | |
200 | ' ', /* ar_pad_char */ | |
201 | 16, /* ar_max_namelen */ | |
8ce8c090 | 202 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */ |
edeb6e24 AM |
203 | NO_GET, NO_GETS, NO_PUT, /* 32 bit data */ |
204 | NO_GET, NO_GETS, NO_PUT, /* 16 bit data */ | |
8ce8c090 | 205 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */ |
edeb6e24 AM |
206 | NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */ |
207 | NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */ | |
252b5132 RH |
208 | |
209 | { /* bfd_check_format */ | |
8ce8c090 AM |
210 | _bfd_dummy_target, /* unknown format */ |
211 | _bfd_dummy_target, /* object file */ | |
212 | _bfd_dummy_target, /* archive */ | |
213 | osf_core_core_file_p /* a core file */ | |
252b5132 RH |
214 | }, |
215 | { /* bfd_set_format */ | |
8ce8c090 AM |
216 | bfd_false, bfd_false, |
217 | bfd_false, bfd_false | |
252b5132 RH |
218 | }, |
219 | { /* bfd_write_contents */ | |
8ce8c090 AM |
220 | bfd_false, bfd_false, |
221 | bfd_false, bfd_false | |
252b5132 | 222 | }, |
dc810e39 | 223 | |
3f3c5c34 AM |
224 | BFD_JUMP_TABLE_GENERIC (_bfd_generic), |
225 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
226 | BFD_JUMP_TABLE_CORE (osf_core), | |
227 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
228 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
229 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
230 | BFD_JUMP_TABLE_WRITE (_bfd_generic), | |
231 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
232 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
252b5132 | 233 | |
c3c89269 | 234 | NULL, |
dc810e39 | 235 | |
252b5132 | 236 | (PTR) 0 /* backend_data */ |
8ce8c090 | 237 | }; |