1 /* BFD back end for NetBSD style core files
2 Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000, 2001,
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 2 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, MA 02110-1301, USA. */
26 #include "libaout.h" /* BFD a.out internal data structures. */
28 #include <sys/param.h>
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
37 /* Offset of StackGhost cookie within `struct md_coredump' on
39 #define SPARC_WCOOKIE_OFFSET 344
41 /* Offset of StackGhost cookie within `struct md_coredump' on
43 #define SPARC64_WCOOKIE_OFFSET 832
45 #define netbsd_core_file_matches_executable_p generic_core_file_matches_executable_p
47 struct netbsd_core_struct
52 /* Handle NetBSD-style core dump file. */
54 static const bfd_target
*
55 netbsd_core_file_p (bfd
*abfd
)
62 struct coreseg coreseg
;
63 bfd_size_type amt
= sizeof core
;
65 val
= bfd_bread (&core
, amt
, abfd
);
66 if (val
!= sizeof core
)
68 /* Too small to be a core file. */
69 bfd_set_error (bfd_error_wrong_format
);
73 if (CORE_GETMAGIC (core
) != COREMAGIC
)
75 bfd_set_error (bfd_error_wrong_format
);
79 amt
= sizeof (struct netbsd_core_struct
);
80 rawptr
= (struct netbsd_core_struct
*) bfd_zalloc (abfd
, amt
);
85 abfd
->tdata
.netbsd_core_data
= rawptr
;
87 offset
= core
.c_hdrsize
;
88 for (i
= 0; i
< core
.c_nseg
; i
++)
93 if (bfd_seek (abfd
, offset
, SEEK_SET
) != 0)
96 val
= bfd_bread (&coreseg
, sizeof coreseg
, abfd
);
97 if (val
!= sizeof coreseg
)
99 bfd_set_error (bfd_error_file_truncated
);
102 if (CORE_GETMAGIC (coreseg
) != CORESEGMAGIC
)
104 bfd_set_error (bfd_error_wrong_format
);
108 offset
+= core
.c_seghdrsize
;
110 switch (CORE_GETFLAG (coreseg
))
114 flags
= SEC_ALLOC
+ SEC_HAS_CONTENTS
;
118 flags
= SEC_ALLOC
+ SEC_LOAD
+ SEC_HAS_CONTENTS
;
122 flags
= SEC_ALLOC
+ SEC_LOAD
+ SEC_HAS_CONTENTS
;
126 flags
= SEC_ALLOC
+ SEC_HAS_CONTENTS
;
129 asect
= bfd_make_section_anyway (abfd
, sname
);
133 asect
->flags
= 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 asect
= bfd_make_section_anyway (abfd
, ".wcookie");
166 asect
->flags
= SEC_ALLOC
+ SEC_HAS_CONTENTS
;
167 asect
->size
= coreseg
.c_size
- wcookie_offset
;
169 asect
->filepos
= offset
+ wcookie_offset
;
170 asect
->alignment_power
= 2;
174 offset
+= coreseg
.c_size
;
177 /* Set architecture from machine ID. */
178 switch (CORE_GETMID (core
))
181 bfd_default_set_arch_mach (abfd
, bfd_arch_alpha
, 0);
185 bfd_default_set_arch_mach (abfd
, bfd_arch_arm
, bfd_mach_arm_3
);
188 case M_X86_64_NETBSD
:
189 bfd_default_set_arch_mach (abfd
, bfd_arch_i386
, bfd_mach_x86_64
);
193 bfd_default_set_arch_mach (abfd
, bfd_arch_i386
, bfd_mach_i386_i386
);
198 bfd_default_set_arch_mach (abfd
, bfd_arch_m68k
, 0);
202 bfd_default_set_arch_mach (abfd
, bfd_arch_m88k
, 0);
206 bfd_default_set_arch_mach (abfd
, bfd_arch_hppa
, bfd_mach_hppa11
);
209 case M_POWERPC_NETBSD
:
210 bfd_default_set_arch_mach (abfd
, bfd_arch_powerpc
, bfd_mach_ppc
);
214 bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
217 case M_SPARC64_NETBSD
:
218 case M_SPARC64_OPENBSD
:
219 bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc_v9
);
224 bfd_default_set_arch_mach (abfd
, bfd_arch_vax
, 0);
228 /* OK, we believe you. You're a core file (sure, sure). */
232 bfd_release (abfd
, abfd
->tdata
.any
);
233 abfd
->tdata
.any
= NULL
;
234 bfd_section_list_clear (abfd
);
239 netbsd_core_file_failing_command (bfd
*abfd
)
241 /*return core_command (abfd);*/
242 return abfd
->tdata
.netbsd_core_data
->core
.c_name
;
246 netbsd_core_file_failing_signal (bfd
*abfd
)
248 /*return core_signal (abfd);*/
249 return abfd
->tdata
.netbsd_core_data
->core
.c_signo
;
252 /* If somebody calls any byte-swapping routines, shoot them. */
257 /* This way doesn't require any declaration for ANSI to fuck up. */
261 #define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
262 #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
263 #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
264 #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
265 #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
266 #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
268 const bfd_target netbsd_core_vec
=
271 bfd_target_unknown_flavour
,
272 BFD_ENDIAN_UNKNOWN
, /* Target byte order. */
273 BFD_ENDIAN_UNKNOWN
, /* Target headers byte order. */
274 (HAS_RELOC
| EXEC_P
| /* Object flags. */
275 HAS_LINENO
| HAS_DEBUG
|
276 HAS_SYMS
| HAS_LOCALS
| WP_TEXT
| D_PAGED
),
277 (SEC_HAS_CONTENTS
| /* Section flags. */
278 SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
),
279 0, /* Symbol prefix. */
280 ' ', /* ar_pad_char. */
281 16, /* ar_max_namelen. */
282 NO_GET64
, NO_GETS64
, NO_PUT64
, /* 64 bit data. */
283 NO_GET
, NO_GETS
, NO_PUT
, /* 32 bit data. */
284 NO_GET
, NO_GETS
, NO_PUT
, /* 16 bit data. */
285 NO_GET64
, NO_GETS64
, NO_PUT64
, /* 64 bit hdrs. */
286 NO_GET
, NO_GETS
, NO_PUT
, /* 32 bit hdrs. */
287 NO_GET
, NO_GETS
, NO_PUT
, /* 16 bit hdrs. */
289 { /* bfd_check_format. */
290 _bfd_dummy_target
, /* Unknown format. */
291 _bfd_dummy_target
, /* Object file. */
292 _bfd_dummy_target
, /* Archive. */
293 netbsd_core_file_p
/* A core file. */
295 { /* bfd_set_format. */
296 bfd_false
, bfd_false
,
299 { /* bfd_write_contents. */
300 bfd_false
, bfd_false
,
304 BFD_JUMP_TABLE_GENERIC (_bfd_generic
),
305 BFD_JUMP_TABLE_COPY (_bfd_generic
),
306 BFD_JUMP_TABLE_CORE (netbsd
),
307 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive
),
308 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols
),
309 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs
),
310 BFD_JUMP_TABLE_WRITE (_bfd_generic
),
311 BFD_JUMP_TABLE_LINK (_bfd_nolink
),
312 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic
),
316 (PTR
) 0 /* Backend_data. */