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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 #include "libaout.h" /* BFD a.out internal data structures */
28 #include <sys/param.h>
34 * FIXME: On NetBSD/sparc CORE_FPU_OFFSET should be (sizeof (struct trapframe))
37 struct netbsd_core_struct
{
41 /* forward declarations */
43 static const bfd_target
*netbsd_core_file_p
45 static char *netbsd_core_file_failing_command
47 static int netbsd_core_file_failing_signal
49 static bfd_boolean netbsd_core_file_matches_executable_p
50 PARAMS ((bfd
*core_bfd
, bfd
*exec_bfd
));
51 static void swap_abort
54 /* Handle NetBSD-style core dump file. */
57 static const bfd_target
*
58 netbsd_core_file_p (abfd
)
64 asection
*asect
, *asect2
;
66 struct coreseg coreseg
;
67 bfd_size_type amt
= sizeof core
;
69 val
= bfd_bread ((void *) &core
, amt
, abfd
);
70 if (val
!= sizeof core
)
72 /* Too small to be a core file */
73 bfd_set_error (bfd_error_wrong_format
);
77 if (CORE_GETMAGIC (core
) != COREMAGIC
)
79 bfd_set_error (bfd_error_wrong_format
);
83 amt
= sizeof (struct netbsd_core_struct
);
84 rawptr
= (struct netbsd_core_struct
*) bfd_zalloc (abfd
, amt
);
89 abfd
->tdata
.netbsd_core_data
= rawptr
;
91 offset
= core
.c_hdrsize
;
92 for (i
= 0; i
< core
.c_nseg
; i
++)
97 if (bfd_seek (abfd
, offset
, SEEK_SET
) != 0)
100 val
= bfd_bread ((void *) &coreseg
, (bfd_size_type
) sizeof coreseg
, abfd
);
101 if (val
!= sizeof coreseg
)
103 bfd_set_error (bfd_error_file_truncated
);
106 if (CORE_GETMAGIC (coreseg
) != CORESEGMAGIC
)
108 bfd_set_error (bfd_error_wrong_format
);
112 offset
+= core
.c_seghdrsize
;
114 switch (CORE_GETFLAG (coreseg
))
118 flags
= SEC_ALLOC
+ SEC_HAS_CONTENTS
;
122 flags
= SEC_ALLOC
+ SEC_LOAD
+ SEC_HAS_CONTENTS
;
126 flags
= SEC_ALLOC
+ SEC_LOAD
+ SEC_HAS_CONTENTS
;
130 flags
= SEC_ALLOC
+ SEC_HAS_CONTENTS
;
133 asect
= bfd_make_section_anyway (abfd
, sname
);
137 asect
->flags
= flags
;
138 asect
->_raw_size
= coreseg
.c_size
;
139 asect
->vma
= coreseg
.c_addr
;
140 asect
->filepos
= offset
;
141 asect
->alignment_power
= 2;
143 offset
+= coreseg
.c_size
;
145 #ifdef CORE_FPU_OFFSET
146 switch (CORE_GETFLAG (coreseg
))
150 asect
->_raw_size
= CORE_FPU_OFFSET
;
151 asect2
= bfd_make_section_anyway (abfd
, ".reg2");
154 asect2
->_raw_size
= coreseg
.c_size
- CORE_FPU_OFFSET
;
156 asect2
->filepos
= asect
->filepos
+ CORE_FPU_OFFSET
;
157 asect2
->alignment_power
= 2;
158 asect2
->flags
= SEC_ALLOC
+ SEC_HAS_CONTENTS
;
164 /* OK, we believe you. You're a core file (sure, sure). */
168 bfd_release (abfd
, abfd
->tdata
.any
);
169 abfd
->tdata
.any
= NULL
;
170 bfd_section_list_clear (abfd
);
175 netbsd_core_file_failing_command (abfd
)
178 /*return core_command (abfd);*/
179 return abfd
->tdata
.netbsd_core_data
->core
.c_name
;
184 netbsd_core_file_failing_signal (abfd
)
187 /*return core_signal (abfd);*/
188 return abfd
->tdata
.netbsd_core_data
->core
.c_signo
;
193 netbsd_core_file_matches_executable_p (core_bfd
, exec_bfd
)
194 bfd
*core_bfd ATTRIBUTE_UNUSED
;
195 bfd
*exec_bfd ATTRIBUTE_UNUSED
;
197 return TRUE
; /* FIXME, We have no way of telling at this point */
200 /* If somebody calls any byte-swapping routines, shoot them. */
204 abort (); /* This way doesn't require any declaration for ANSI to fuck up */
206 #define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
207 #define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
208 #define NO_SIGNED_GET \
209 ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
211 const bfd_target netbsd_core_vec
=
214 bfd_target_unknown_flavour
,
215 BFD_ENDIAN_UNKNOWN
, /* target byte order */
216 BFD_ENDIAN_UNKNOWN
, /* target headers byte order */
217 (HAS_RELOC
| EXEC_P
| /* object flags */
218 HAS_LINENO
| HAS_DEBUG
|
219 HAS_SYMS
| HAS_LOCALS
| WP_TEXT
| D_PAGED
),
220 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
221 0, /* symbol prefix */
222 ' ', /* ar_pad_char */
223 16, /* ar_max_namelen */
224 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 64 bit data */
225 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 32 bit data */
226 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 16 bit data */
227 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 64 bit hdrs */
228 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 32 bit hdrs */
229 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 16 bit hdrs */
231 { /* bfd_check_format */
232 _bfd_dummy_target
, /* unknown format */
233 _bfd_dummy_target
, /* object file */
234 _bfd_dummy_target
, /* archive */
235 netbsd_core_file_p
/* a core file */
237 { /* bfd_set_format */
238 bfd_false
, bfd_false
,
241 { /* bfd_write_contents */
242 bfd_false
, bfd_false
,
246 BFD_JUMP_TABLE_GENERIC (_bfd_generic
),
247 BFD_JUMP_TABLE_COPY (_bfd_generic
),
248 BFD_JUMP_TABLE_CORE (netbsd
),
249 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive
),
250 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols
),
251 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs
),
252 BFD_JUMP_TABLE_WRITE (_bfd_generic
),
253 BFD_JUMP_TABLE_LINK (_bfd_nolink
),
254 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic
),
258 (PTR
) 0 /* backend_data */