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
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
48 struct netbsd_core_struct
53 /* Handle NetBSD-style core dump file. */
55 static const bfd_target
*
56 netbsd_core_file_p (bfd
*abfd
)
63 struct coreseg coreseg
;
64 bfd_size_type amt
= sizeof core
;
66 val
= bfd_bread (&core
, amt
, abfd
);
67 if (val
!= sizeof core
)
69 /* Too small to be a core file. */
70 bfd_set_error (bfd_error_wrong_format
);
74 if (CORE_GETMAGIC (core
) != COREMAGIC
)
76 bfd_set_error (bfd_error_wrong_format
);
80 amt
= sizeof (struct netbsd_core_struct
);
81 rawptr
= (struct netbsd_core_struct
*) bfd_zalloc (abfd
, amt
);
86 abfd
->tdata
.netbsd_core_data
= rawptr
;
88 offset
= core
.c_hdrsize
;
89 for (i
= 0; i
< core
.c_nseg
; i
++)
94 if (bfd_seek (abfd
, offset
, SEEK_SET
) != 0)
97 val
= bfd_bread (&coreseg
, sizeof coreseg
, abfd
);
98 if (val
!= sizeof coreseg
)
100 bfd_set_error (bfd_error_file_truncated
);
103 if (CORE_GETMAGIC (coreseg
) != CORESEGMAGIC
)
105 bfd_set_error (bfd_error_wrong_format
);
109 offset
+= core
.c_seghdrsize
;
111 switch (CORE_GETFLAG (coreseg
))
115 flags
= SEC_ALLOC
+ SEC_HAS_CONTENTS
;
119 flags
= SEC_ALLOC
+ SEC_LOAD
+ SEC_HAS_CONTENTS
;
123 flags
= SEC_ALLOC
+ SEC_LOAD
+ SEC_HAS_CONTENTS
;
127 flags
= SEC_ALLOC
+ SEC_HAS_CONTENTS
;
130 asect
= bfd_make_section_anyway_with_flags (abfd
, sname
, flags
);
134 asect
->size
= coreseg
.c_size
;
135 asect
->vma
= coreseg
.c_addr
;
136 asect
->filepos
= offset
;
137 asect
->alignment_power
= 2;
139 if (CORE_GETFLAG (coreseg
) == CORE_CPU
)
141 bfd_size_type wcookie_offset
;
143 switch (CORE_GETMID (core
))
146 wcookie_offset
= SPARC_WCOOKIE_OFFSET
;
148 case M_SPARC64_OPENBSD
:
149 wcookie_offset
= SPARC64_WCOOKIE_OFFSET
;
156 if (wcookie_offset
> 0 && coreseg
.c_size
> wcookie_offset
)
158 /* Truncate the .reg section. */
159 asect
->size
= wcookie_offset
;
161 /* And create the .wcookie section. */
162 flags
= SEC_ALLOC
+ SEC_HAS_CONTENTS
;
163 asect
= bfd_make_section_anyway_with_flags (abfd
, ".wcookie",
168 asect
->size
= coreseg
.c_size
- wcookie_offset
;
170 asect
->filepos
= offset
+ wcookie_offset
;
171 asect
->alignment_power
= 2;
175 offset
+= coreseg
.c_size
;
178 /* Set architecture from machine ID. */
179 switch (CORE_GETMID (core
))
182 bfd_default_set_arch_mach (abfd
, bfd_arch_alpha
, 0);
186 bfd_default_set_arch_mach (abfd
, bfd_arch_arm
, bfd_mach_arm_3
);
189 case M_X86_64_NETBSD
:
190 bfd_default_set_arch_mach (abfd
, bfd_arch_i386
, bfd_mach_x86_64
);
194 bfd_default_set_arch_mach (abfd
, bfd_arch_i386
, bfd_mach_i386_i386
);
199 bfd_default_set_arch_mach (abfd
, bfd_arch_m68k
, 0);
203 bfd_default_set_arch_mach (abfd
, bfd_arch_m88k
, 0);
207 bfd_default_set_arch_mach (abfd
, bfd_arch_hppa
, bfd_mach_hppa11
);
210 case M_POWERPC_NETBSD
:
211 bfd_default_set_arch_mach (abfd
, bfd_arch_powerpc
, bfd_mach_ppc
);
215 bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
218 case M_SPARC64_NETBSD
:
219 case M_SPARC64_OPENBSD
:
220 bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc_v9
);
225 bfd_default_set_arch_mach (abfd
, bfd_arch_vax
, 0);
229 /* OK, we believe you. You're a core file (sure, sure). */
233 bfd_release (abfd
, abfd
->tdata
.any
);
234 abfd
->tdata
.any
= NULL
;
235 bfd_section_list_clear (abfd
);
240 netbsd_core_file_failing_command (bfd
*abfd
)
242 /*return core_command (abfd);*/
243 return abfd
->tdata
.netbsd_core_data
->core
.c_name
;
247 netbsd_core_file_failing_signal (bfd
*abfd
)
249 /*return core_signal (abfd);*/
250 return abfd
->tdata
.netbsd_core_data
->core
.c_signo
;
253 /* If somebody calls any byte-swapping routines, shoot them. */
258 /* This way doesn't require any declaration for ANSI to fuck up. */
262 #define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
263 #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
264 #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
265 #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
266 #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
267 #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
269 const bfd_target netbsd_core_vec
=
272 bfd_target_unknown_flavour
,
273 BFD_ENDIAN_UNKNOWN
, /* Target byte order. */
274 BFD_ENDIAN_UNKNOWN
, /* Target headers byte order. */
275 (HAS_RELOC
| EXEC_P
| /* Object flags. */
276 HAS_LINENO
| HAS_DEBUG
|
277 HAS_SYMS
| HAS_LOCALS
| WP_TEXT
| D_PAGED
),
278 (SEC_HAS_CONTENTS
| /* Section flags. */
279 SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
),
280 0, /* Symbol prefix. */
281 ' ', /* ar_pad_char. */
282 16, /* ar_max_namelen. */
283 NO_GET64
, NO_GETS64
, NO_PUT64
, /* 64 bit data. */
284 NO_GET
, NO_GETS
, NO_PUT
, /* 32 bit data. */
285 NO_GET
, NO_GETS
, NO_PUT
, /* 16 bit data. */
286 NO_GET64
, NO_GETS64
, NO_PUT64
, /* 64 bit hdrs. */
287 NO_GET
, NO_GETS
, NO_PUT
, /* 32 bit hdrs. */
288 NO_GET
, NO_GETS
, NO_PUT
, /* 16 bit hdrs. */
290 { /* bfd_check_format. */
291 _bfd_dummy_target
, /* Unknown format. */
292 _bfd_dummy_target
, /* Object file. */
293 _bfd_dummy_target
, /* Archive. */
294 netbsd_core_file_p
/* A core file. */
296 { /* bfd_set_format. */
297 bfd_false
, bfd_false
,
300 { /* bfd_write_contents. */
301 bfd_false
, bfd_false
,
305 BFD_JUMP_TABLE_GENERIC (_bfd_generic
),
306 BFD_JUMP_TABLE_COPY (_bfd_generic
),
307 BFD_JUMP_TABLE_CORE (netbsd
),
308 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive
),
309 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols
),
310 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs
),
311 BFD_JUMP_TABLE_WRITE (_bfd_generic
),
312 BFD_JUMP_TABLE_LINK (_bfd_nolink
),
313 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic
),
317 (PTR
) 0 /* Backend_data. */