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, |
edeb6e24 | 3 | 2002, 2003, 2004 |
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 | |
aca305d9 NC |
37 | /* FIXME: On NetBSD/sparc CORE_FPU_OFFSET should be (sizeof (struct trapframe)). */ |
38 | ||
39 | struct netbsd_core_struct | |
40 | { | |
41 | struct core core; | |
252b5132 RH |
42 | } *rawptr; |
43 | ||
aca305d9 | 44 | /* Forward declarations. */ |
252b5132 | 45 | |
b34976b6 AM |
46 | static const bfd_target *netbsd_core_file_p |
47 | PARAMS ((bfd *abfd)); | |
48 | static char *netbsd_core_file_failing_command | |
49 | PARAMS ((bfd *abfd)); | |
50 | static int netbsd_core_file_failing_signal | |
51 | PARAMS ((bfd *abfd)); | |
52 | static bfd_boolean netbsd_core_file_matches_executable_p | |
dc810e39 | 53 | PARAMS ((bfd *core_bfd, bfd *exec_bfd)); |
b34976b6 AM |
54 | static void swap_abort |
55 | PARAMS ((void)); | |
252b5132 RH |
56 | |
57 | /* Handle NetBSD-style core dump file. */ | |
58 | ||
252b5132 RH |
59 | static const bfd_target * |
60 | netbsd_core_file_p (abfd) | |
61 | bfd *abfd; | |
62 | ||
63 | { | |
dc810e39 AM |
64 | int i, val; |
65 | file_ptr offset; | |
66 | asection *asect, *asect2; | |
67 | struct core core; | |
68 | struct coreseg coreseg; | |
69 | bfd_size_type amt = sizeof core; | |
70 | ||
71 | val = bfd_bread ((void *) &core, amt, abfd); | |
72 | if (val != sizeof core) | |
73 | { | |
aca305d9 | 74 | /* Too small to be a core file. */ |
dc810e39 AM |
75 | bfd_set_error (bfd_error_wrong_format); |
76 | return 0; | |
77 | } | |
78 | ||
79 | if (CORE_GETMAGIC (core) != COREMAGIC) | |
80 | { | |
81 | bfd_set_error (bfd_error_wrong_format); | |
82 | return 0; | |
83 | } | |
84 | ||
85 | amt = sizeof (struct netbsd_core_struct); | |
86 | rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt); | |
87 | if (rawptr == NULL) | |
9e7b37b3 | 88 | return 0; |
dc810e39 AM |
89 | |
90 | rawptr->core = core; | |
91 | abfd->tdata.netbsd_core_data = rawptr; | |
92 | ||
93 | offset = core.c_hdrsize; | |
94 | for (i = 0; i < core.c_nseg; i++) | |
95 | { | |
9e7b37b3 AM |
96 | const char *sname; |
97 | flagword flags; | |
dc810e39 AM |
98 | |
99 | if (bfd_seek (abfd, offset, SEEK_SET) != 0) | |
100 | goto punt; | |
101 | ||
102 | val = bfd_bread ((void *) &coreseg, (bfd_size_type) sizeof coreseg, abfd); | |
103 | if (val != sizeof coreseg) | |
104 | { | |
105 | bfd_set_error (bfd_error_file_truncated); | |
106 | goto punt; | |
252b5132 | 107 | } |
dc810e39 AM |
108 | if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC) |
109 | { | |
110 | bfd_set_error (bfd_error_wrong_format); | |
111 | goto punt; | |
252b5132 RH |
112 | } |
113 | ||
dc810e39 AM |
114 | offset += core.c_seghdrsize; |
115 | ||
9e7b37b3 | 116 | switch (CORE_GETFLAG (coreseg)) |
dc810e39 | 117 | { |
9e7b37b3 AM |
118 | case CORE_CPU: |
119 | sname = ".reg"; | |
120 | flags = SEC_ALLOC + SEC_HAS_CONTENTS; | |
121 | break; | |
122 | case CORE_DATA: | |
123 | sname = ".data"; | |
124 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
125 | break; | |
126 | case CORE_STACK: | |
127 | sname = ".stack"; | |
128 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
129 | break; | |
130 | default: | |
131 | sname = ".unknown"; | |
132 | flags = SEC_ALLOC + SEC_HAS_CONTENTS; | |
133 | break; | |
252b5132 | 134 | } |
9e7b37b3 AM |
135 | asect = bfd_make_section_anyway (abfd, sname); |
136 | if (asect == NULL) | |
137 | goto punt; | |
252b5132 | 138 | |
9e7b37b3 | 139 | asect->flags = flags; |
dc810e39 AM |
140 | asect->_raw_size = coreseg.c_size; |
141 | asect->vma = coreseg.c_addr; | |
142 | asect->filepos = offset; | |
143 | asect->alignment_power = 2; | |
9e7b37b3 | 144 | |
dc810e39 AM |
145 | offset += coreseg.c_size; |
146 | ||
9e7b37b3 AM |
147 | #ifdef CORE_FPU_OFFSET |
148 | switch (CORE_GETFLAG (coreseg)) | |
dc810e39 AM |
149 | { |
150 | case CORE_CPU: | |
dc810e39 AM |
151 | /* Hackish... */ |
152 | asect->_raw_size = CORE_FPU_OFFSET; | |
9e7b37b3 | 153 | asect2 = bfd_make_section_anyway (abfd, ".reg2"); |
dc810e39 | 154 | if (asect2 == NULL) |
9e7b37b3 | 155 | goto punt; |
dc810e39 AM |
156 | asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET; |
157 | asect2->vma = 0; | |
158 | asect2->filepos = asect->filepos + CORE_FPU_OFFSET; | |
159 | asect2->alignment_power = 2; | |
dc810e39 | 160 | asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS; |
dc810e39 | 161 | break; |
252b5132 | 162 | } |
9e7b37b3 | 163 | #endif |
dc810e39 AM |
164 | } |
165 | ||
aca305d9 NC |
166 | /* Set architecture from machine ID. */ |
167 | switch (CORE_GETMID (core)) | |
168 | { | |
169 | case M_X86_64_NETBSD: | |
170 | bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64); | |
171 | break; | |
172 | ||
173 | case M_386_NETBSD: | |
174 | bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386); | |
175 | break; | |
176 | ||
177 | case M_SPARC_NETBSD: | |
178 | bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc); | |
179 | break; | |
180 | ||
181 | case M_SPARC64_NETBSD: | |
182 | case M_SPARC64_OPENBSD: | |
183 | bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9); | |
184 | break; | |
185 | } | |
186 | ||
dc810e39 AM |
187 | /* OK, we believe you. You're a core file (sure, sure). */ |
188 | return abfd->xvec; | |
189 | ||
190 | punt: | |
9e7b37b3 AM |
191 | bfd_release (abfd, abfd->tdata.any); |
192 | abfd->tdata.any = NULL; | |
193 | bfd_section_list_clear (abfd); | |
dc810e39 | 194 | return 0; |
252b5132 RH |
195 | } |
196 | ||
197 | static char* | |
198 | netbsd_core_file_failing_command (abfd) | |
199 | bfd *abfd; | |
200 | { | |
201 | /*return core_command (abfd);*/ | |
202 | return abfd->tdata.netbsd_core_data->core.c_name; | |
203 | } | |
204 | ||
252b5132 RH |
205 | static int |
206 | netbsd_core_file_failing_signal (abfd) | |
207 | bfd *abfd; | |
208 | { | |
209 | /*return core_signal (abfd);*/ | |
210 | return abfd->tdata.netbsd_core_data->core.c_signo; | |
211 | } | |
212 | ||
b34976b6 | 213 | static bfd_boolean |
252b5132 | 214 | netbsd_core_file_matches_executable_p (core_bfd, exec_bfd) |
dc810e39 AM |
215 | bfd *core_bfd ATTRIBUTE_UNUSED; |
216 | bfd *exec_bfd ATTRIBUTE_UNUSED; | |
252b5132 | 217 | { |
aca305d9 NC |
218 | /* FIXME, We have no way of telling at this point. */ |
219 | return TRUE; | |
252b5132 RH |
220 | } |
221 | \f | |
222 | /* If somebody calls any byte-swapping routines, shoot them. */ | |
aca305d9 | 223 | |
252b5132 | 224 | static void |
1518639e | 225 | swap_abort () |
252b5132 | 226 | { |
aca305d9 NC |
227 | /* This way doesn't require any declaration for ANSI to fuck up. */ |
228 | abort (); | |
252b5132 | 229 | } |
aca305d9 | 230 | |
edeb6e24 AM |
231 | #define NO_GET ((bfd_vma (*) (const void *)) swap_abort) |
232 | #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort) | |
233 | #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort) | |
8ce8c090 AM |
234 | #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort) |
235 | #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort) | |
236 | #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort) | |
252b5132 RH |
237 | |
238 | const bfd_target netbsd_core_vec = | |
239 | { | |
240 | "netbsd-core", | |
241 | bfd_target_unknown_flavour, | |
aca305d9 NC |
242 | BFD_ENDIAN_UNKNOWN, /* Target byte order. */ |
243 | BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */ | |
244 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
252b5132 RH |
245 | HAS_LINENO | HAS_DEBUG | |
246 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
aca305d9 NC |
247 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ |
248 | 0, /* Symbol prefix. */ | |
249 | ' ', /* ar_pad_char. */ | |
250 | 16, /* ar_max_namelen. */ | |
8ce8c090 | 251 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */ |
edeb6e24 AM |
252 | NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */ |
253 | NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */ | |
8ce8c090 | 254 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */ |
edeb6e24 AM |
255 | NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */ |
256 | NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */ | |
257 | ||
8ce8c090 AM |
258 | { /* bfd_check_format. */ |
259 | _bfd_dummy_target, /* Unknown format. */ | |
260 | _bfd_dummy_target, /* Object file. */ | |
261 | _bfd_dummy_target, /* Archive. */ | |
262 | netbsd_core_file_p /* A core file. */ | |
252b5132 | 263 | }, |
aca305d9 | 264 | { /* bfd_set_format. */ |
8ce8c090 AM |
265 | bfd_false, bfd_false, |
266 | bfd_false, bfd_false | |
252b5132 | 267 | }, |
aca305d9 | 268 | { /* bfd_write_contents. */ |
8ce8c090 AM |
269 | bfd_false, bfd_false, |
270 | bfd_false, bfd_false | |
252b5132 | 271 | }, |
1518639e | 272 | |
8ce8c090 AM |
273 | BFD_JUMP_TABLE_GENERIC (_bfd_generic), |
274 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
275 | BFD_JUMP_TABLE_CORE (netbsd), | |
276 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
277 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
278 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
279 | BFD_JUMP_TABLE_WRITE (_bfd_generic), | |
280 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
281 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
252b5132 | 282 | |
c3c89269 | 283 | NULL, |
1518639e | 284 | |
aca305d9 | 285 | (PTR) 0 /* Backend_data. */ |
8ce8c090 | 286 | }; |