1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
|
/* BFD back-end for OSF/1 core files.
Copyright 1993 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* This file can only be compiled on systems which use OSF/1 style
core files. In the config/XXXXXX.mh file for such a system add
HDEFINES=-DOSF_CORE
HDEPFILES=osf-core.o
*/
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include <stdio.h>
#include <string.h>
#include <sys/user.h>
#include <sys/core.h>
/* forward declarations */
static asection *
make_bfd_asection PARAMS ((bfd *, CONST char *, flagword, bfd_size_type,
bfd_vma, file_ptr));
static asymbol *
osf_core_make_empty_symbol PARAMS ((bfd *));
static bfd_target *
osf_core_core_file_p PARAMS ((bfd *));
static char *
osf_core_core_file_failing_command PARAMS ((bfd *));
static int
osf_core_core_file_failing_signal PARAMS ((bfd *));
static boolean
osf_core_core_file_matches_executable_p PARAMS ((bfd *, bfd *));
static void
swap_abort PARAMS ((void));
/* These are stored in the bfd's tdata */
struct osf_core_struct
{
int sig;
char cmd[MAXCOMLEN + 1];
};
#define core_hdr(bfd) ((bfd)->tdata.osf_core_data)
#define core_signal(bfd) (core_hdr(bfd)->sig)
#define core_command(bfd) (core_hdr(bfd)->cmd)
static asection *
make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
bfd *abfd;
CONST char *name;
flagword flags;
bfd_size_type _raw_size;
bfd_vma vma;
file_ptr filepos;
{
asection *asect;
asect = bfd_make_section (abfd, name);
if (!asect)
return NULL;
asect->flags = flags;
asect->_raw_size = _raw_size;
asect->vma = vma;
asect->filepos = filepos;
asect->alignment_power = 8;
return asect;
}
static asymbol *
osf_core_make_empty_symbol (abfd)
bfd *abfd;
{
asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
if (new)
new->the_bfd = abfd;
return new;
}
static bfd_target *
osf_core_core_file_p (abfd)
bfd *abfd;
{
int val;
int i;
char *secname;
struct core_filehdr core_header;
int dseccnt = 0;
val = bfd_read ((PTR)&core_header, 1, sizeof core_header, abfd);
if (val != sizeof core_header)
return NULL;
if (strncmp (core_header.magic, "Core", 4) != 0)
return NULL;
core_hdr (abfd) = (struct osf_core_struct *)
bfd_zalloc (abfd, sizeof (struct osf_core_struct));
if (!core_hdr (abfd))
return NULL;
strncpy (core_command (abfd), core_header.name, MAXCOMLEN + 1);
core_signal (abfd) = core_header.signo;
for (i = 0; i < core_header.nscns; i++)
{
struct core_scnhdr core_scnhdr;
val = bfd_read ((PTR)&core_scnhdr, 1, sizeof core_scnhdr, abfd);
if (val != sizeof core_scnhdr)
break;
/* Skip empty sections. */
if (core_scnhdr.size == 0 || core_scnhdr.scnptr == 0)
continue;
switch (core_scnhdr.scntype)
{
case SCNRGN:
/* OSF/1 has multiple data sections (data, bss and data/bss sections
for shared libraries), but bfd doesn't permit data sections with
the same name. Construct a unique section name. */
secname = bfd_alloc (abfd, 40);
if (!secname)
{
bfd_error = no_memory;
return NULL;
}
sprintf (secname, ".data%d", dseccnt++);
break;
case SCNSTACK:
secname = ".stack";
break;
case SCNREGS:
secname = ".reg";
break;
default:
fprintf (stderr, "Unhandled OSF/1 core file section type %d\n",
core_scnhdr.scntype);
continue;
}
if (!make_bfd_asection (abfd, secname,
SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
(bfd_size_type) core_scnhdr.size,
(bfd_vma) core_scnhdr.vaddr,
(file_ptr) core_scnhdr.scnptr))
return NULL;
}
/* OK, we believe you. You're a core file (sure, sure). */
return abfd->xvec;
}
static char *
osf_core_core_file_failing_command (abfd)
bfd *abfd;
{
return core_command (abfd);
}
/* ARGSUSED */
static int
osf_core_core_file_failing_signal (abfd)
bfd *abfd;
{
return core_signal (abfd);
}
/* ARGSUSED */
static boolean
osf_core_core_file_matches_executable_p (core_bfd, exec_bfd)
bfd *core_bfd, *exec_bfd;
{
return true; /* FIXME, We have no way of telling at this point */
}
/* No archive file support via this BFD */
#define osf_core_openr_next_archived_file bfd_generic_openr_next_archived_file
#define osf_core_generic_stat_arch_elt bfd_generic_stat_arch_elt
#define osf_core_slurp_armap bfd_false
#define osf_core_slurp_extended_name_table bfd_true
#define osf_core_write_armap (boolean (*) PARAMS \
((bfd *arch, unsigned int elength, struct orl *map, \
unsigned int orl_count, int stridx))) bfd_false
#define osf_core_truncate_arname bfd_dont_truncate_arname
#define osf_core_close_and_cleanup bfd_generic_close_and_cleanup
#define osf_core_set_section_contents (boolean (*) PARAMS \
((bfd *abfd, asection *section, PTR data, file_ptr offset, \
bfd_size_type count))) bfd_generic_set_section_contents
#define osf_core_get_section_contents bfd_generic_get_section_contents
#define osf_core_new_section_hook (boolean (*) PARAMS \
((bfd *, sec_ptr))) bfd_true
#define osf_core_get_symtab_upper_bound bfd_0u
#define osf_core_get_symtab (unsigned int (*) PARAMS \
((bfd *, struct symbol_cache_entry **))) bfd_0u
#define osf_core_get_reloc_upper_bound (unsigned int (*) PARAMS \
((bfd *, sec_ptr))) bfd_0u
#define osf_core_canonicalize_reloc (unsigned int (*) PARAMS \
((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
#define osf_core_print_symbol (void (*) PARAMS \
((bfd *, PTR, struct symbol_cache_entry *, \
bfd_print_symbol_type))) bfd_false
#define osf_core_get_symbol_info (void (*) PARAMS \
((bfd *, struct symbol_cache_entry *, \
symbol_info *))) bfd_false
#define osf_core_get_lineno (alent * (*) PARAMS \
((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
#define osf_core_set_arch_mach (boolean (*) PARAMS \
((bfd *, enum bfd_architecture, unsigned long))) bfd_false
#define osf_core_find_nearest_line (boolean (*) PARAMS \
((bfd *abfd, struct sec *section, \
struct symbol_cache_entry **symbols,bfd_vma offset, \
CONST char **file, CONST char **func, unsigned int *line))) bfd_false
#define osf_core_sizeof_headers (int (*) PARAMS \
((bfd *, boolean))) bfd_0
#define osf_core_bfd_debug_info_start bfd_void
#define osf_core_bfd_debug_info_end bfd_void
#define osf_core_bfd_debug_info_accumulate (void (*) PARAMS \
((bfd *, struct sec *))) bfd_void
#define osf_core_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define osf_core_bfd_relax_section bfd_generic_relax_section
#define osf_core_bfd_reloc_type_lookup \
((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
#define osf_core_bfd_make_debug_symbol \
((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
#define osf_core_bfd_link_hash_table_create \
((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
#define osf_core_bfd_link_add_symbols \
((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
#define osf_core_bfd_final_link \
((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
/* If somebody calls any byte-swapping routines, shoot them. */
static void
swap_abort()
{
abort(); /* This way doesn't require any declaration for ANSI to fuck up */
}
#define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
#define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
#define NO_SIGNED_GET \
((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
bfd_target osf_core_vec =
{
"osf-core",
bfd_target_unknown_flavour,
true, /* target byte order */
true, /* target headers byte order */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
0, /* symbol prefix */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
3, /* minimum alignment power */
NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
{ /* bfd_check_format */
_bfd_dummy_target, /* unknown format */
_bfd_dummy_target, /* object file */
_bfd_dummy_target, /* archive */
osf_core_core_file_p /* a core file */
},
{ /* bfd_set_format */
bfd_false, bfd_false,
bfd_false, bfd_false
},
{ /* bfd_write_contents */
bfd_false, bfd_false,
bfd_false, bfd_false
},
JUMP_TABLE(osf_core),
(PTR) 0 /* backend_data */
};
|
