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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 | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. */ | |
39 | #define CORE_WCOOKIE_OFFSET 344 | |
40 | ||
aca305d9 NC |
41 | struct netbsd_core_struct |
42 | { | |
43 | struct core core; | |
252b5132 RH |
44 | } *rawptr; |
45 | ||
252b5132 RH |
46 | /* Handle NetBSD-style core dump file. */ |
47 | ||
252b5132 | 48 | static const bfd_target * |
832bc186 | 49 | netbsd_core_file_p (bfd *abfd) |
252b5132 | 50 | { |
45ab555d BE |
51 | int val; |
52 | unsigned i; | |
dc810e39 | 53 | file_ptr offset; |
021d7868 | 54 | asection *asect; |
dc810e39 AM |
55 | struct core core; |
56 | struct coreseg coreseg; | |
57 | bfd_size_type amt = sizeof core; | |
58 | ||
832bc186 | 59 | val = bfd_bread (&core, amt, abfd); |
dc810e39 AM |
60 | if (val != sizeof core) |
61 | { | |
aca305d9 | 62 | /* Too small to be a core file. */ |
dc810e39 AM |
63 | bfd_set_error (bfd_error_wrong_format); |
64 | return 0; | |
65 | } | |
66 | ||
67 | if (CORE_GETMAGIC (core) != COREMAGIC) | |
68 | { | |
69 | bfd_set_error (bfd_error_wrong_format); | |
70 | return 0; | |
71 | } | |
72 | ||
73 | amt = sizeof (struct netbsd_core_struct); | |
74 | rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt); | |
75 | if (rawptr == NULL) | |
9e7b37b3 | 76 | return 0; |
dc810e39 AM |
77 | |
78 | rawptr->core = core; | |
79 | abfd->tdata.netbsd_core_data = rawptr; | |
80 | ||
81 | offset = core.c_hdrsize; | |
82 | for (i = 0; i < core.c_nseg; i++) | |
83 | { | |
9e7b37b3 AM |
84 | const char *sname; |
85 | flagword flags; | |
dc810e39 AM |
86 | |
87 | if (bfd_seek (abfd, offset, SEEK_SET) != 0) | |
88 | goto punt; | |
89 | ||
832bc186 | 90 | val = bfd_bread (&coreseg, sizeof coreseg, abfd); |
dc810e39 AM |
91 | if (val != sizeof coreseg) |
92 | { | |
93 | bfd_set_error (bfd_error_file_truncated); | |
94 | goto punt; | |
252b5132 | 95 | } |
dc810e39 AM |
96 | if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC) |
97 | { | |
98 | bfd_set_error (bfd_error_wrong_format); | |
99 | goto punt; | |
252b5132 RH |
100 | } |
101 | ||
dc810e39 AM |
102 | offset += core.c_seghdrsize; |
103 | ||
9e7b37b3 | 104 | switch (CORE_GETFLAG (coreseg)) |
dc810e39 | 105 | { |
9e7b37b3 AM |
106 | case CORE_CPU: |
107 | sname = ".reg"; | |
108 | flags = SEC_ALLOC + SEC_HAS_CONTENTS; | |
109 | break; | |
110 | case CORE_DATA: | |
111 | sname = ".data"; | |
112 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
113 | break; | |
114 | case CORE_STACK: | |
115 | sname = ".stack"; | |
116 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
117 | break; | |
118 | default: | |
119 | sname = ".unknown"; | |
120 | flags = SEC_ALLOC + SEC_HAS_CONTENTS; | |
121 | break; | |
252b5132 | 122 | } |
9e7b37b3 AM |
123 | asect = bfd_make_section_anyway (abfd, sname); |
124 | if (asect == NULL) | |
125 | goto punt; | |
252b5132 | 126 | |
9e7b37b3 | 127 | asect->flags = flags; |
eea6121a | 128 | asect->size = coreseg.c_size; |
dc810e39 AM |
129 | asect->vma = coreseg.c_addr; |
130 | asect->filepos = offset; | |
131 | asect->alignment_power = 2; | |
9e7b37b3 | 132 | |
24d18d30 MK |
133 | if (CORE_GETMID (core) == M_SPARC_NETBSD |
134 | && CORE_GETFLAG (coreseg) == CORE_CPU | |
135 | && coreseg.c_size > CORE_WCOOKIE_OFFSET) | |
136 | { | |
137 | /* Truncate the .reg section. */ | |
eea6121a | 138 | asect->size = CORE_WCOOKIE_OFFSET; |
24d18d30 MK |
139 | |
140 | /* And create the .wcookie section. */ | |
141 | asect = bfd_make_section_anyway (abfd, ".wcookie"); | |
142 | if (asect == NULL) | |
143 | goto punt; | |
144 | ||
145 | asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS; | |
eea6121a | 146 | asect->size = 4; |
24d18d30 MK |
147 | asect->vma = 0; |
148 | asect->filepos = offset + CORE_WCOOKIE_OFFSET; | |
149 | asect->alignment_power = 2; | |
150 | } | |
151 | ||
dc810e39 | 152 | offset += coreseg.c_size; |
dc810e39 AM |
153 | } |
154 | ||
d34436e8 MK |
155 | /* Set architecture from machine ID. */ |
156 | switch (CORE_GETMID (core)) | |
157 | { | |
158 | case M_ALPHA_NETBSD: | |
159 | bfd_default_set_arch_mach (abfd, bfd_arch_alpha, 0); | |
160 | break; | |
161 | ||
162 | case M_ARM6_NETBSD: | |
163 | bfd_default_set_arch_mach (abfd, bfd_arch_arm, bfd_mach_arm_3); | |
164 | break; | |
165 | ||
166 | case M_X86_64_NETBSD: | |
167 | bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64); | |
168 | break; | |
169 | ||
170 | case M_386_NETBSD: | |
171 | bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386); | |
172 | break; | |
173 | ||
174 | case M_68K_NETBSD: | |
175 | case M_68K4K_NETBSD: | |
176 | bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0); | |
177 | break; | |
178 | ||
179 | case M_88K_OPENBSD: | |
180 | bfd_default_set_arch_mach (abfd, bfd_arch_m88k, 0); | |
181 | break; | |
182 | ||
183 | case M_HPPA_OPENBSD: | |
184 | bfd_default_set_arch_mach (abfd, bfd_arch_hppa, bfd_mach_hppa11); | |
185 | break; | |
186 | ||
187 | case M_POWERPC_NETBSD: | |
188 | bfd_default_set_arch_mach (abfd, bfd_arch_powerpc, bfd_mach_ppc); | |
189 | break; | |
190 | ||
191 | case M_SPARC_NETBSD: | |
192 | bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc); | |
193 | break; | |
194 | ||
195 | case M_SPARC64_NETBSD: | |
196 | case M_SPARC64_OPENBSD: | |
197 | bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9); | |
198 | break; | |
199 | ||
200 | case M_VAX_NETBSD: | |
201 | case M_VAX4K_NETBSD: | |
202 | bfd_default_set_arch_mach (abfd, bfd_arch_vax, 0); | |
203 | break; | |
204 | } | |
d1ad3f6f | 205 | |
dc810e39 AM |
206 | /* OK, we believe you. You're a core file (sure, sure). */ |
207 | return abfd->xvec; | |
208 | ||
209 | punt: | |
9e7b37b3 AM |
210 | bfd_release (abfd, abfd->tdata.any); |
211 | abfd->tdata.any = NULL; | |
212 | bfd_section_list_clear (abfd); | |
dc810e39 | 213 | return 0; |
252b5132 RH |
214 | } |
215 | ||
216 | static char* | |
832bc186 | 217 | netbsd_core_file_failing_command (bfd *abfd) |
252b5132 | 218 | { |
832bc186 | 219 | /*return core_command (abfd);*/ |
252b5132 RH |
220 | return abfd->tdata.netbsd_core_data->core.c_name; |
221 | } | |
222 | ||
252b5132 | 223 | static int |
832bc186 | 224 | netbsd_core_file_failing_signal (bfd *abfd) |
252b5132 RH |
225 | { |
226 | /*return core_signal (abfd);*/ | |
227 | return abfd->tdata.netbsd_core_data->core.c_signo; | |
228 | } | |
229 | ||
b34976b6 | 230 | static bfd_boolean |
832bc186 MK |
231 | netbsd_core_file_matches_executable_p (bfd *core_bfd ATTRIBUTE_UNUSED, |
232 | bfd *exec_bfd ATTRIBUTE_UNUSED) | |
252b5132 | 233 | { |
aca305d9 NC |
234 | /* FIXME, We have no way of telling at this point. */ |
235 | return TRUE; | |
252b5132 RH |
236 | } |
237 | \f | |
238 | /* If somebody calls any byte-swapping routines, shoot them. */ | |
aca305d9 | 239 | |
252b5132 | 240 | static void |
832bc186 | 241 | swap_abort (void) |
252b5132 | 242 | { |
aca305d9 NC |
243 | /* This way doesn't require any declaration for ANSI to fuck up. */ |
244 | abort (); | |
252b5132 | 245 | } |
aca305d9 | 246 | |
edeb6e24 AM |
247 | #define NO_GET ((bfd_vma (*) (const void *)) swap_abort) |
248 | #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort) | |
249 | #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort) | |
8ce8c090 AM |
250 | #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort) |
251 | #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort) | |
252 | #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort) | |
252b5132 RH |
253 | |
254 | const bfd_target netbsd_core_vec = | |
255 | { | |
256 | "netbsd-core", | |
257 | bfd_target_unknown_flavour, | |
aca305d9 NC |
258 | BFD_ENDIAN_UNKNOWN, /* Target byte order. */ |
259 | BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */ | |
260 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
252b5132 RH |
261 | HAS_LINENO | HAS_DEBUG | |
262 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
832bc186 MK |
263 | (SEC_HAS_CONTENTS | /* Section flags. */ |
264 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), | |
265 | 0, /* Symbol prefix. */ | |
266 | ' ', /* ar_pad_char. */ | |
267 | 16, /* ar_max_namelen. */ | |
8ce8c090 | 268 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */ |
edeb6e24 AM |
269 | NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */ |
270 | NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */ | |
8ce8c090 | 271 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */ |
edeb6e24 AM |
272 | NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */ |
273 | NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */ | |
274 | ||
8ce8c090 AM |
275 | { /* bfd_check_format. */ |
276 | _bfd_dummy_target, /* Unknown format. */ | |
277 | _bfd_dummy_target, /* Object file. */ | |
278 | _bfd_dummy_target, /* Archive. */ | |
279 | netbsd_core_file_p /* A core file. */ | |
252b5132 | 280 | }, |
aca305d9 | 281 | { /* bfd_set_format. */ |
8ce8c090 AM |
282 | bfd_false, bfd_false, |
283 | bfd_false, bfd_false | |
252b5132 | 284 | }, |
aca305d9 | 285 | { /* bfd_write_contents. */ |
8ce8c090 AM |
286 | bfd_false, bfd_false, |
287 | bfd_false, bfd_false | |
252b5132 | 288 | }, |
1518639e | 289 | |
8ce8c090 AM |
290 | BFD_JUMP_TABLE_GENERIC (_bfd_generic), |
291 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
292 | BFD_JUMP_TABLE_CORE (netbsd), | |
293 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
294 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
295 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
296 | BFD_JUMP_TABLE_WRITE (_bfd_generic), | |
297 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
298 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
252b5132 | 299 | |
c3c89269 | 300 | NULL, |
1518639e | 301 | |
aca305d9 | 302 | (PTR) 0 /* Backend_data. */ |
8ce8c090 | 303 | }; |