1
/* BFD back end for NetBSD style core files
2
Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000, 2001,
3
2002, 2003, 2004, 2005, 2006, 2007, 2012
4
Free Software Foundation, Inc.
5
Written by Paul Kranenburg, EUR
7
This file is part of BFD, the Binary File Descriptor library.
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 3 of the License, or
12
(at your option) any later version.
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.
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., 51 Franklin Street - Fifth Floor, Boston,
22
MA 02110-1301, USA. */
27
#include "libaout.h" /* BFD a.out internal data structures. */
29
#include <sys/param.h>
34
/* The machine ID for OpenBSD/sparc64 and older versions of
35
NetBSD/sparc64 overlaps with M_MIPS1. */
36
#define M_SPARC64_OPENBSD M_MIPS1
38
/* Offset of StackGhost cookie within `struct md_coredump' on
40
#define SPARC_WCOOKIE_OFFSET 344
42
/* Offset of StackGhost cookie within `struct md_coredump' on
44
#define SPARC64_WCOOKIE_OFFSET 832
46
#define netbsd_core_file_matches_executable_p generic_core_file_matches_executable_p
47
#define netbsd_core_file_pid _bfd_nocore_core_file_pid
49
struct netbsd_core_struct
54
/* Handle NetBSD-style core dump file. */
56
static const bfd_target *
57
netbsd_core_file_p (bfd *abfd)
64
struct coreseg coreseg;
65
bfd_size_type amt = sizeof core;
67
val = bfd_bread (&core, amt, abfd);
68
if (val != sizeof core)
70
/* Too small to be a core file. */
71
bfd_set_error (bfd_error_wrong_format);
75
if (CORE_GETMAGIC (core) != COREMAGIC)
77
bfd_set_error (bfd_error_wrong_format);
81
amt = sizeof (struct netbsd_core_struct);
82
rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt);
87
abfd->tdata.netbsd_core_data = rawptr;
89
offset = core.c_hdrsize;
90
for (i = 0; i < core.c_nseg; i++)
95
if (bfd_seek (abfd, offset, SEEK_SET) != 0)
98
val = bfd_bread (&coreseg, sizeof coreseg, abfd);
99
if (val != sizeof coreseg)
101
bfd_set_error (bfd_error_file_truncated);
104
if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC)
106
bfd_set_error (bfd_error_wrong_format);
110
offset += core.c_seghdrsize;
112
switch (CORE_GETFLAG (coreseg))
116
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
120
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
124
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
128
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
131
asect = bfd_make_section_anyway_with_flags (abfd, sname, flags);
135
asect->size = coreseg.c_size;
136
asect->vma = coreseg.c_addr;
137
asect->filepos = offset;
138
asect->alignment_power = 2;
140
if (CORE_GETFLAG (coreseg) == CORE_CPU)
142
bfd_size_type wcookie_offset;
144
switch (CORE_GETMID (core))
147
wcookie_offset = SPARC_WCOOKIE_OFFSET;
149
case M_SPARC64_OPENBSD:
150
wcookie_offset = SPARC64_WCOOKIE_OFFSET;
157
if (wcookie_offset > 0 && coreseg.c_size > wcookie_offset)
159
/* Truncate the .reg section. */
160
asect->size = wcookie_offset;
162
/* And create the .wcookie section. */
163
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
164
asect = bfd_make_section_anyway_with_flags (abfd, ".wcookie",
169
asect->size = coreseg.c_size - wcookie_offset;
171
asect->filepos = offset + wcookie_offset;
172
asect->alignment_power = 2;
176
offset += coreseg.c_size;
179
/* Set architecture from machine ID. */
180
switch (CORE_GETMID (core))
183
bfd_default_set_arch_mach (abfd, bfd_arch_alpha, 0);
187
bfd_default_set_arch_mach (abfd, bfd_arch_arm, bfd_mach_arm_3);
190
case M_X86_64_NETBSD:
191
bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64);
195
bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386);
200
bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
204
bfd_default_set_arch_mach (abfd, bfd_arch_m88k, 0);
208
bfd_default_set_arch_mach (abfd, bfd_arch_hppa, bfd_mach_hppa11);
211
case M_POWERPC_NETBSD:
212
bfd_default_set_arch_mach (abfd, bfd_arch_powerpc, bfd_mach_ppc);
216
bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
219
case M_SPARC64_NETBSD:
220
case M_SPARC64_OPENBSD:
221
bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9);
226
bfd_default_set_arch_mach (abfd, bfd_arch_vax, 0);
230
/* OK, we believe you. You're a core file (sure, sure). */
234
bfd_release (abfd, abfd->tdata.any);
235
abfd->tdata.any = NULL;
236
bfd_section_list_clear (abfd);
241
netbsd_core_file_failing_command (bfd *abfd)
243
/*return core_command (abfd);*/
244
return abfd->tdata.netbsd_core_data->core.c_name;
248
netbsd_core_file_failing_signal (bfd *abfd)
250
/*return core_signal (abfd);*/
251
return abfd->tdata.netbsd_core_data->core.c_signo;
254
/* If somebody calls any byte-swapping routines, shoot them. */
259
/* This way doesn't require any declaration for ANSI to fuck up. */
263
#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
264
#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
265
#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
266
#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
267
#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
268
#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
270
const bfd_target netbsd_core_vec =
273
bfd_target_unknown_flavour,
274
BFD_ENDIAN_UNKNOWN, /* Target byte order. */
275
BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */
276
(HAS_RELOC | EXEC_P | /* Object flags. */
277
HAS_LINENO | HAS_DEBUG |
278
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
279
(SEC_HAS_CONTENTS | /* Section flags. */
280
SEC_ALLOC | SEC_LOAD | SEC_RELOC),
281
0, /* Symbol prefix. */
282
' ', /* ar_pad_char. */
283
16, /* ar_max_namelen. */
284
0, /* Match priority. */
285
NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */
286
NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */
287
NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */
288
NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */
289
NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */
290
NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */
292
{ /* bfd_check_format. */
293
_bfd_dummy_target, /* Unknown format. */
294
_bfd_dummy_target, /* Object file. */
295
_bfd_dummy_target, /* Archive. */
296
netbsd_core_file_p /* A core file. */
298
{ /* bfd_set_format. */
299
bfd_false, bfd_false,
302
{ /* bfd_write_contents. */
303
bfd_false, bfd_false,
307
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
308
BFD_JUMP_TABLE_COPY (_bfd_generic),
309
BFD_JUMP_TABLE_CORE (netbsd),
310
BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
311
BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
312
BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
313
BFD_JUMP_TABLE_WRITE (_bfd_generic),
314
BFD_JUMP_TABLE_LINK (_bfd_nolink),
315
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
319
NULL /* Backend_data. */