Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* BFD back-end for Irix core files. |
edeb6e24 | 2 | Copyright 1993, 1994, 1996, 1999, 2001, 2002, 2004 |
9e7b37b3 | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Stu Grossman, Cygnus Support. |
5 | Converted to back-end form by Ian Lance Taylor, Cygnus Support | |
6 | ||
b3018b5f | 7 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 8 | |
b3018b5f NC |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
252b5132 | 13 | |
b3018b5f NC |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
252b5132 | 18 | |
b3018b5f NC |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
3e110533 | 21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
22 | |
23 | /* This file can only be compiled on systems which use Irix style core | |
24 | files (namely, Irix 4 and Irix 5, so far). */ | |
25 | ||
26 | #include "bfd.h" | |
27 | #include "sysdep.h" | |
28 | #include "libbfd.h" | |
29 | ||
30 | #ifdef IRIX_CORE | |
31 | ||
32 | #include <core.out.h> | |
33 | ||
dc810e39 | 34 | struct sgi_core_struct |
252b5132 RH |
35 | { |
36 | int sig; | |
37 | char cmd[CORE_NAMESIZE]; | |
38 | }; | |
39 | ||
40 | #define core_hdr(bfd) ((bfd)->tdata.sgi_core_data) | |
41 | #define core_signal(bfd) (core_hdr(bfd)->sig) | |
42 | #define core_command(bfd) (core_hdr(bfd)->cmd) | |
43 | ||
44 | static asection *make_bfd_asection | |
40f85900 | 45 | (bfd *, const char *, flagword, bfd_size_type, bfd_vma, file_ptr); |
b3018b5f NC |
46 | |
47 | /* Helper function for irix_core_core_file_p: | |
48 | 32-bit and 64-bit versions. */ | |
49 | ||
50 | #ifdef CORE_MAGIC64 | |
51 | static int | |
40f85900 | 52 | do_sections64 (bfd *abfd, struct coreout *coreout) |
b3018b5f NC |
53 | { |
54 | struct vmap64 vmap; | |
55 | char *secname; | |
56 | int i, val; | |
57 | ||
58 | for (i = 0; i < coreout->c_nvmap; i++) | |
59 | { | |
60 | val = bfd_bread ((PTR) &vmap, (bfd_size_type) sizeof vmap, abfd); | |
61 | if (val != sizeof vmap) | |
62 | break; | |
63 | ||
64 | switch (vmap.v_type) | |
65 | { | |
66 | case VDATA: | |
67 | secname = ".data"; | |
68 | break; | |
69 | case VSTACK: | |
70 | secname = ".stack"; | |
71 | break; | |
72 | #ifdef VMAPFILE | |
73 | case VMAPFILE: | |
74 | secname = ".mapfile"; | |
75 | break; | |
76 | #endif | |
77 | default: | |
78 | continue; | |
79 | } | |
80 | ||
81 | /* A file offset of zero means that the | |
82 | section is not contained in the corefile. */ | |
83 | if (vmap.v_offset == 0) | |
84 | continue; | |
85 | ||
86 | if (!make_bfd_asection (abfd, secname, | |
87 | SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS, | |
88 | vmap.v_len, vmap.v_vaddr, vmap.v_offset)) | |
89 | /* Fail. */ | |
90 | return 0; | |
91 | } | |
92 | ||
93 | return 1; | |
94 | } | |
95 | #endif | |
96 | ||
97 | /* 32-bit version. */ | |
98 | ||
99 | static int | |
40f85900 | 100 | do_sections (bfd *abfd, struct coreout *coreout) |
b3018b5f NC |
101 | { |
102 | struct vmap vmap; | |
103 | char *secname; | |
104 | int i, val; | |
105 | ||
106 | for (i = 0; i < coreout->c_nvmap; i++) | |
107 | { | |
108 | val = bfd_bread ((PTR) &vmap, (bfd_size_type) sizeof vmap, abfd); | |
109 | if (val != sizeof vmap) | |
110 | break; | |
111 | ||
112 | switch (vmap.v_type) | |
113 | { | |
114 | case VDATA: | |
115 | secname = ".data"; | |
116 | break; | |
117 | case VSTACK: | |
118 | secname = ".stack"; | |
119 | break; | |
120 | #ifdef VMAPFILE | |
121 | case VMAPFILE: | |
122 | secname = ".mapfile"; | |
123 | break; | |
124 | #endif | |
125 | default: | |
126 | continue; | |
127 | } | |
128 | ||
129 | /* A file offset of zero means that the | |
130 | section is not contained in the corefile. */ | |
131 | if (vmap.v_offset == 0) | |
132 | continue; | |
133 | ||
134 | if (!make_bfd_asection (abfd, secname, | |
aa2e06ba | 135 | SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS, |
b3018b5f NC |
136 | vmap.v_len, vmap.v_vaddr, vmap.v_offset)) |
137 | /* Fail. */ | |
138 | return 0; | |
139 | } | |
140 | return 1; | |
141 | } | |
252b5132 RH |
142 | |
143 | static asection * | |
40f85900 JB |
144 | make_bfd_asection (bfd *abfd, |
145 | const char *name, | |
146 | flagword flags, | |
147 | bfd_size_type size, | |
148 | bfd_vma vma, | |
149 | file_ptr filepos) | |
252b5132 RH |
150 | { |
151 | asection *asect; | |
152 | ||
153 | asect = bfd_make_section_anyway (abfd, name); | |
154 | if (!asect) | |
155 | return NULL; | |
156 | ||
157 | asect->flags = flags; | |
eea6121a | 158 | asect->size = size; |
252b5132 RH |
159 | asect->vma = vma; |
160 | asect->filepos = filepos; | |
161 | asect->alignment_power = 4; | |
162 | ||
163 | return asect; | |
164 | } | |
165 | ||
166 | static const bfd_target * | |
40f85900 | 167 | irix_core_core_file_p (bfd *abfd) |
252b5132 RH |
168 | { |
169 | int val; | |
252b5132 RH |
170 | struct coreout coreout; |
171 | struct idesc *idg, *idf, *ids; | |
dc810e39 | 172 | bfd_size_type amt; |
252b5132 | 173 | |
dc810e39 | 174 | val = bfd_bread ((PTR) &coreout, (bfd_size_type) sizeof coreout, abfd); |
252b5132 RH |
175 | if (val != sizeof coreout) |
176 | { | |
177 | if (bfd_get_error () != bfd_error_system_call) | |
178 | bfd_set_error (bfd_error_wrong_format); | |
179 | return 0; | |
180 | } | |
181 | ||
b3018b5f | 182 | if (coreout.c_version != CORE_VERSION1) |
252b5132 RH |
183 | return 0; |
184 | ||
b3018b5f NC |
185 | /* Have we got a corefile? */ |
186 | switch (coreout.c_magic) | |
187 | { | |
188 | case CORE_MAGIC: break; | |
189 | #ifdef CORE_MAGIC64 | |
190 | case CORE_MAGIC64: break; | |
191 | #endif | |
192 | #ifdef CORE_MAGICN32 | |
193 | case CORE_MAGICN32: break; | |
194 | #endif | |
195 | default: return 0; /* Un-identifiable or not corefile. */ | |
196 | } | |
197 | ||
dc810e39 AM |
198 | amt = sizeof (struct sgi_core_struct); |
199 | core_hdr (abfd) = (struct sgi_core_struct *) bfd_zalloc (abfd, amt); | |
252b5132 RH |
200 | if (!core_hdr (abfd)) |
201 | return NULL; | |
202 | ||
203 | strncpy (core_command (abfd), coreout.c_name, CORE_NAMESIZE); | |
204 | core_signal (abfd) = coreout.c_sigcause; | |
205 | ||
206 | if (bfd_seek (abfd, coreout.c_vmapoffset, SEEK_SET) != 0) | |
9e7b37b3 | 207 | goto fail; |
252b5132 | 208 | |
b3018b5f NC |
209 | /* Process corefile sections. */ |
210 | #ifdef CORE_MAGIC64 | |
211 | if (coreout.c_magic == (int) CORE_MAGIC64) | |
252b5132 | 212 | { |
b3018b5f | 213 | if (! do_sections64 (abfd, & coreout)) |
9e7b37b3 | 214 | goto fail; |
252b5132 | 215 | } |
b3018b5f NC |
216 | else |
217 | #endif | |
218 | if (! do_sections (abfd, & coreout)) | |
219 | goto fail; | |
252b5132 | 220 | |
b3018b5f | 221 | /* Make sure that the regs are contiguous within the core file. */ |
252b5132 RH |
222 | |
223 | idg = &coreout.c_idesc[I_GPREGS]; | |
224 | idf = &coreout.c_idesc[I_FPREGS]; | |
225 | ids = &coreout.c_idesc[I_SPECREGS]; | |
226 | ||
227 | if (idg->i_offset + idg->i_len != idf->i_offset | |
228 | || idf->i_offset + idf->i_len != ids->i_offset) | |
9e7b37b3 | 229 | goto fail; /* Can't deal with non-contig regs */ |
252b5132 RH |
230 | |
231 | if (bfd_seek (abfd, idg->i_offset, SEEK_SET) != 0) | |
9e7b37b3 | 232 | goto fail; |
252b5132 | 233 | |
9e7b37b3 AM |
234 | if (!make_bfd_asection (abfd, ".reg", |
235 | SEC_HAS_CONTENTS, | |
236 | idg->i_len + idf->i_len + ids->i_len, | |
237 | 0, | |
238 | idg->i_offset)) | |
239 | goto fail; | |
dc810e39 | 240 | |
252b5132 | 241 | /* OK, we believe you. You're a core file (sure, sure). */ |
dc3febfa | 242 | bfd_default_set_arch_mach (abfd, bfd_arch_mips, 0); |
252b5132 RH |
243 | |
244 | return abfd->xvec; | |
9e7b37b3 AM |
245 | |
246 | fail: | |
247 | bfd_release (abfd, core_hdr (abfd)); | |
248 | core_hdr (abfd) = NULL; | |
249 | bfd_section_list_clear (abfd); | |
250 | return NULL; | |
252b5132 RH |
251 | } |
252 | ||
253 | static char * | |
40f85900 | 254 | irix_core_core_file_failing_command (bfd *abfd) |
252b5132 RH |
255 | { |
256 | return core_command (abfd); | |
257 | } | |
258 | ||
259 | static int | |
40f85900 | 260 | irix_core_core_file_failing_signal (bfd *abfd) |
252b5132 RH |
261 | { |
262 | return core_signal (abfd); | |
263 | } | |
264 | ||
b34976b6 | 265 | static bfd_boolean |
40f85900 JB |
266 | irix_core_core_file_matches_executable_p (bfd *core_bfd ATTRIBUTE_UNUSED, |
267 | bfd *exec_bfd ATTRIBUTE_UNUSED) | |
252b5132 | 268 | { |
b34976b6 | 269 | return TRUE; /* XXX - FIXME */ |
252b5132 RH |
270 | } |
271 | ||
252b5132 RH |
272 | /* If somebody calls any byte-swapping routines, shoot them. */ |
273 | static void | |
40f85900 | 274 | swap_abort(void) |
252b5132 RH |
275 | { |
276 | abort(); /* This way doesn't require any declaration for ANSI to fuck up */ | |
277 | } | |
8ce8c090 | 278 | |
edeb6e24 AM |
279 | #define NO_GET ((bfd_vma (*) (const void *)) swap_abort) |
280 | #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort) | |
281 | #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort) | |
8ce8c090 AM |
282 | #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort) |
283 | #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort) | |
284 | #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort) | |
252b5132 RH |
285 | |
286 | const bfd_target irix_core_vec = | |
287 | { | |
288 | "irix-core", | |
289 | bfd_target_unknown_flavour, | |
290 | BFD_ENDIAN_BIG, /* target byte order */ | |
291 | BFD_ENDIAN_BIG, /* target headers byte order */ | |
292 | (HAS_RELOC | EXEC_P | /* object flags */ | |
293 | HAS_LINENO | HAS_DEBUG | | |
294 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
295 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ | |
296 | 0, /* symbol prefix */ | |
297 | ' ', /* ar_pad_char */ | |
298 | 16, /* ar_max_namelen */ | |
8ce8c090 | 299 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */ |
edeb6e24 AM |
300 | NO_GET, NO_GETS, NO_PUT, /* 32 bit data */ |
301 | NO_GET, NO_GETS, NO_PUT, /* 16 bit data */ | |
8ce8c090 | 302 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */ |
edeb6e24 AM |
303 | NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */ |
304 | NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */ | |
252b5132 RH |
305 | |
306 | { /* bfd_check_format */ | |
8ce8c090 AM |
307 | _bfd_dummy_target, /* unknown format */ |
308 | _bfd_dummy_target, /* object file */ | |
309 | _bfd_dummy_target, /* archive */ | |
310 | irix_core_core_file_p /* a core file */ | |
252b5132 RH |
311 | }, |
312 | { /* bfd_set_format */ | |
8ce8c090 AM |
313 | bfd_false, bfd_false, |
314 | bfd_false, bfd_false | |
252b5132 RH |
315 | }, |
316 | { /* bfd_write_contents */ | |
8ce8c090 AM |
317 | bfd_false, bfd_false, |
318 | bfd_false, bfd_false | |
252b5132 | 319 | }, |
dc810e39 | 320 | |
3f3c5c34 AM |
321 | BFD_JUMP_TABLE_GENERIC (_bfd_generic), |
322 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
323 | BFD_JUMP_TABLE_CORE (irix_core), | |
324 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
325 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
326 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
327 | BFD_JUMP_TABLE_WRITE (_bfd_generic), | |
328 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
329 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
252b5132 | 330 | |
c3c89269 | 331 | NULL, |
dc810e39 | 332 | |
252b5132 | 333 | (PTR) 0 /* backend_data */ |
8ce8c090 | 334 | }; |
252b5132 RH |
335 | |
336 | #endif /* IRIX_CORE */ |