Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* BFD back end for NetBSD style core files |
9e7b37b3 | 2 | Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000, 2001, |
832bc186 | 3 | 2002, 2003, 2004, 2005 |
7898deda | 4 | Free Software Foundation, Inc. |
252b5132 RH |
5 | Written by Paul Kranenburg, EUR |
6 | ||
aca305d9 | 7 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 8 | |
aca305d9 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 | |
aca305d9 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 | |
aca305d9 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 | #include "bfd.h" | |
24 | #include "sysdep.h" | |
25 | #include "libbfd.h" | |
aca305d9 | 26 | #include "libaout.h" /* BFD a.out internal data structures. */ |
252b5132 RH |
27 | |
28 | #include <sys/param.h> | |
29 | #include <sys/dir.h> | |
30 | #include <signal.h> | |
31 | #include <sys/core.h> | |
32 | ||
aca305d9 NC |
33 | /* The machine ID for OpenBSD/sparc64 and older versions of |
34 | NetBSD/sparc64 overlaps with M_MIPS1. */ | |
35 | #define M_SPARC64_OPENBSD M_MIPS1 | |
252b5132 | 36 | |
24d18d30 MK |
37 | /* Offset of StackGhost cookie within `struct md_coredump' on |
38 | OpenBSD/sparc. */ | |
8c101720 NC |
39 | #define SPARC_WCOOKIE_OFFSET 344 |
40 | ||
41 | /* Offset of StackGhost cookie within `struct md_coredump' on | |
42 | OpenBSD/sparc64. */ | |
43 | #define SPARC64_WCOOKIE_OFFSET 832 | |
24d18d30 | 44 | |
aca305d9 NC |
45 | struct netbsd_core_struct |
46 | { | |
47 | struct core core; | |
252b5132 RH |
48 | } *rawptr; |
49 | ||
252b5132 RH |
50 | /* Handle NetBSD-style core dump file. */ |
51 | ||
252b5132 | 52 | static const bfd_target * |
832bc186 | 53 | netbsd_core_file_p (bfd *abfd) |
252b5132 | 54 | { |
45ab555d BE |
55 | int val; |
56 | unsigned i; | |
dc810e39 | 57 | file_ptr offset; |
021d7868 | 58 | asection *asect; |
dc810e39 AM |
59 | struct core core; |
60 | struct coreseg coreseg; | |
61 | bfd_size_type amt = sizeof core; | |
62 | ||
832bc186 | 63 | val = bfd_bread (&core, amt, abfd); |
dc810e39 AM |
64 | if (val != sizeof core) |
65 | { | |
aca305d9 | 66 | /* Too small to be a core file. */ |
dc810e39 AM |
67 | bfd_set_error (bfd_error_wrong_format); |
68 | return 0; | |
69 | } | |
70 | ||
71 | if (CORE_GETMAGIC (core) != COREMAGIC) | |
72 | { | |
73 | bfd_set_error (bfd_error_wrong_format); | |
74 | return 0; | |
75 | } | |
76 | ||
77 | amt = sizeof (struct netbsd_core_struct); | |
78 | rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt); | |
79 | if (rawptr == NULL) | |
9e7b37b3 | 80 | return 0; |
dc810e39 AM |
81 | |
82 | rawptr->core = core; | |
83 | abfd->tdata.netbsd_core_data = rawptr; | |
84 | ||
85 | offset = core.c_hdrsize; | |
86 | for (i = 0; i < core.c_nseg; i++) | |
87 | { | |
9e7b37b3 AM |
88 | const char *sname; |
89 | flagword flags; | |
dc810e39 AM |
90 | |
91 | if (bfd_seek (abfd, offset, SEEK_SET) != 0) | |
92 | goto punt; | |
93 | ||
832bc186 | 94 | val = bfd_bread (&coreseg, sizeof coreseg, abfd); |
dc810e39 AM |
95 | if (val != sizeof coreseg) |
96 | { | |
97 | bfd_set_error (bfd_error_file_truncated); | |
98 | goto punt; | |
252b5132 | 99 | } |
dc810e39 AM |
100 | if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC) |
101 | { | |
102 | bfd_set_error (bfd_error_wrong_format); | |
103 | goto punt; | |
252b5132 RH |
104 | } |
105 | ||
dc810e39 AM |
106 | offset += core.c_seghdrsize; |
107 | ||
9e7b37b3 | 108 | switch (CORE_GETFLAG (coreseg)) |
dc810e39 | 109 | { |
9e7b37b3 AM |
110 | case CORE_CPU: |
111 | sname = ".reg"; | |
112 | flags = SEC_ALLOC + SEC_HAS_CONTENTS; | |
113 | break; | |
114 | case CORE_DATA: | |
115 | sname = ".data"; | |
116 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
117 | break; | |
118 | case CORE_STACK: | |
119 | sname = ".stack"; | |
120 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
121 | break; | |
122 | default: | |
123 | sname = ".unknown"; | |
124 | flags = SEC_ALLOC + SEC_HAS_CONTENTS; | |
125 | break; | |
252b5132 | 126 | } |
9e7b37b3 AM |
127 | asect = bfd_make_section_anyway (abfd, sname); |
128 | if (asect == NULL) | |
129 | goto punt; | |
252b5132 | 130 | |
9e7b37b3 | 131 | asect->flags = flags; |
eea6121a | 132 | asect->size = coreseg.c_size; |
dc810e39 AM |
133 | asect->vma = coreseg.c_addr; |
134 | asect->filepos = offset; | |
135 | asect->alignment_power = 2; | |
9e7b37b3 | 136 | |
8c101720 | 137 | if (CORE_GETFLAG (coreseg) == CORE_CPU) |
24d18d30 | 138 | { |
8c101720 NC |
139 | bfd_size_type wcookie_offset; |
140 | ||
141 | switch (CORE_GETMID (core)) | |
142 | { | |
143 | case M_SPARC_NETBSD: | |
144 | wcookie_offset = SPARC_WCOOKIE_OFFSET; | |
145 | break; | |
146 | case M_SPARC64_OPENBSD: | |
147 | wcookie_offset = SPARC64_WCOOKIE_OFFSET; | |
148 | break; | |
149 | default: | |
150 | wcookie_offset = 0; | |
151 | break; | |
152 | } | |
153 | ||
154 | if (wcookie_offset > 0 && coreseg.c_size > wcookie_offset) | |
155 | { | |
156 | /* Truncate the .reg section. */ | |
157 | asect->size = wcookie_offset; | |
158 | ||
159 | /* And create the .wcookie section. */ | |
160 | asect = bfd_make_section_anyway (abfd, ".wcookie"); | |
161 | if (asect == NULL) | |
162 | goto punt; | |
163 | ||
164 | asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS; | |
165 | asect->size = coreseg.c_size - wcookie_offset; | |
166 | asect->vma = 0; | |
167 | asect->filepos = offset + wcookie_offset; | |
168 | asect->alignment_power = 2; | |
169 | } | |
24d18d30 MK |
170 | } |
171 | ||
dc810e39 | 172 | offset += coreseg.c_size; |
dc810e39 AM |
173 | } |
174 | ||
d34436e8 MK |
175 | /* Set architecture from machine ID. */ |
176 | switch (CORE_GETMID (core)) | |
177 | { | |
178 | case M_ALPHA_NETBSD: | |
179 | bfd_default_set_arch_mach (abfd, bfd_arch_alpha, 0); | |
180 | break; | |
181 | ||
182 | case M_ARM6_NETBSD: | |
183 | bfd_default_set_arch_mach (abfd, bfd_arch_arm, bfd_mach_arm_3); | |
184 | break; | |
185 | ||
186 | case M_X86_64_NETBSD: | |
187 | bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64); | |
188 | break; | |
189 | ||
190 | case M_386_NETBSD: | |
191 | bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386); | |
192 | break; | |
193 | ||
194 | case M_68K_NETBSD: | |
195 | case M_68K4K_NETBSD: | |
196 | bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0); | |
197 | break; | |
198 | ||
199 | case M_88K_OPENBSD: | |
200 | bfd_default_set_arch_mach (abfd, bfd_arch_m88k, 0); | |
201 | break; | |
202 | ||
203 | case M_HPPA_OPENBSD: | |
204 | bfd_default_set_arch_mach (abfd, bfd_arch_hppa, bfd_mach_hppa11); | |
205 | break; | |
206 | ||
207 | case M_POWERPC_NETBSD: | |
208 | bfd_default_set_arch_mach (abfd, bfd_arch_powerpc, bfd_mach_ppc); | |
209 | break; | |
210 | ||
211 | case M_SPARC_NETBSD: | |
212 | bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc); | |
213 | break; | |
214 | ||
215 | case M_SPARC64_NETBSD: | |
216 | case M_SPARC64_OPENBSD: | |
217 | bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9); | |
218 | break; | |
219 | ||
220 | case M_VAX_NETBSD: | |
221 | case M_VAX4K_NETBSD: | |
222 | bfd_default_set_arch_mach (abfd, bfd_arch_vax, 0); | |
223 | break; | |
224 | } | |
d1ad3f6f | 225 | |
dc810e39 AM |
226 | /* OK, we believe you. You're a core file (sure, sure). */ |
227 | return abfd->xvec; | |
228 | ||
229 | punt: | |
9e7b37b3 AM |
230 | bfd_release (abfd, abfd->tdata.any); |
231 | abfd->tdata.any = NULL; | |
232 | bfd_section_list_clear (abfd); | |
dc810e39 | 233 | return 0; |
252b5132 RH |
234 | } |
235 | ||
236 | static char* | |
832bc186 | 237 | netbsd_core_file_failing_command (bfd *abfd) |
252b5132 | 238 | { |
832bc186 | 239 | /*return core_command (abfd);*/ |
252b5132 RH |
240 | return abfd->tdata.netbsd_core_data->core.c_name; |
241 | } | |
242 | ||
252b5132 | 243 | static int |
832bc186 | 244 | netbsd_core_file_failing_signal (bfd *abfd) |
252b5132 RH |
245 | { |
246 | /*return core_signal (abfd);*/ | |
247 | return abfd->tdata.netbsd_core_data->core.c_signo; | |
248 | } | |
249 | ||
b34976b6 | 250 | static bfd_boolean |
832bc186 MK |
251 | netbsd_core_file_matches_executable_p (bfd *core_bfd ATTRIBUTE_UNUSED, |
252 | bfd *exec_bfd ATTRIBUTE_UNUSED) | |
252b5132 | 253 | { |
aca305d9 NC |
254 | /* FIXME, We have no way of telling at this point. */ |
255 | return TRUE; | |
252b5132 RH |
256 | } |
257 | \f | |
258 | /* If somebody calls any byte-swapping routines, shoot them. */ | |
aca305d9 | 259 | |
252b5132 | 260 | static void |
832bc186 | 261 | swap_abort (void) |
252b5132 | 262 | { |
aca305d9 NC |
263 | /* This way doesn't require any declaration for ANSI to fuck up. */ |
264 | abort (); | |
252b5132 | 265 | } |
aca305d9 | 266 | |
edeb6e24 AM |
267 | #define NO_GET ((bfd_vma (*) (const void *)) swap_abort) |
268 | #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort) | |
269 | #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort) | |
8ce8c090 AM |
270 | #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort) |
271 | #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort) | |
272 | #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort) | |
252b5132 RH |
273 | |
274 | const bfd_target netbsd_core_vec = | |
275 | { | |
276 | "netbsd-core", | |
277 | bfd_target_unknown_flavour, | |
aca305d9 NC |
278 | BFD_ENDIAN_UNKNOWN, /* Target byte order. */ |
279 | BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */ | |
280 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
252b5132 RH |
281 | HAS_LINENO | HAS_DEBUG | |
282 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
832bc186 MK |
283 | (SEC_HAS_CONTENTS | /* Section flags. */ |
284 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), | |
285 | 0, /* Symbol prefix. */ | |
286 | ' ', /* ar_pad_char. */ | |
287 | 16, /* ar_max_namelen. */ | |
8ce8c090 | 288 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */ |
edeb6e24 AM |
289 | NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */ |
290 | NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */ | |
8ce8c090 | 291 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */ |
edeb6e24 AM |
292 | NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */ |
293 | NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */ | |
294 | ||
8ce8c090 AM |
295 | { /* bfd_check_format. */ |
296 | _bfd_dummy_target, /* Unknown format. */ | |
297 | _bfd_dummy_target, /* Object file. */ | |
298 | _bfd_dummy_target, /* Archive. */ | |
299 | netbsd_core_file_p /* A core file. */ | |
252b5132 | 300 | }, |
aca305d9 | 301 | { /* bfd_set_format. */ |
8ce8c090 AM |
302 | bfd_false, bfd_false, |
303 | bfd_false, bfd_false | |
252b5132 | 304 | }, |
aca305d9 | 305 | { /* bfd_write_contents. */ |
8ce8c090 AM |
306 | bfd_false, bfd_false, |
307 | bfd_false, bfd_false | |
252b5132 | 308 | }, |
1518639e | 309 | |
8ce8c090 AM |
310 | BFD_JUMP_TABLE_GENERIC (_bfd_generic), |
311 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
312 | BFD_JUMP_TABLE_CORE (netbsd), | |
313 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
314 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
315 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
316 | BFD_JUMP_TABLE_WRITE (_bfd_generic), | |
317 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
318 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
252b5132 | 319 | |
c3c89269 | 320 | NULL, |
1518639e | 321 | |
aca305d9 | 322 | (PTR) 0 /* Backend_data. */ |
8ce8c090 | 323 | }; |