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
|
/* BFD back-end for AIX on PS/2 core files.
This was based on trad-core.c, which was written by John Gilmore of
Cygnus Support.
Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1996, 1998, 1999, 2000,
2001, 2002, 2004
Free Software Foundation, Inc.
Written by Minh Tran-Le <TRANLE@INTELLICORP.COM>.
Converted to back end form by Ian Lance Taylor <ian@cygnus.com>.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "coff/i386.h"
#include "coff/internal.h"
#include "libcoff.h"
#include <signal.h>
#if defined (_AIX) && defined (_I386)
#define NOCHECKS /* This is for coredump.h. */
#define _h_USER /* Avoid including user.h from coredump.h. */
#include <uinfo.h>
#include <sys/i386/coredump.h>
#endif /* _AIX && _I386 */
/* Maybe this could work on some other i386 but I have not tried it
* mtranle@paris - Tue Sep 24 12:49:35 1991
*/
#ifndef COR_MAGIC
# define COR_MAGIC "core"
#endif
/* Need this cast because ptr is really void *. */
#define core_hdr(bfd) \
(((bfd->tdata.trad_core_data))->hdr)
#define core_section(bfd,n) \
(((bfd)->tdata.trad_core_data)->sections[n])
#define core_regsec(bfd) \
(((bfd)->tdata.trad_core_data)->reg_section)
#define core_reg2sec(bfd) \
(((bfd)->tdata.trad_core_data)->reg2_section)
/* These are stored in the bfd's tdata. */
struct trad_core_struct {
struct corehdr *hdr; /* core file header */
asection *reg_section;
asection *reg2_section;
asection *sections[MAX_CORE_SEGS];
};
static void swap_abort PARAMS ((void));
static const bfd_target *
aix386_core_file_p (abfd)
bfd *abfd;
{
int i, n;
unsigned char longbuf[4]; /* Raw bytes of various header fields */
bfd_size_type core_size = sizeof (struct corehdr);
bfd_size_type amt;
struct corehdr *core;
struct mergem {
struct trad_core_struct coredata;
struct corehdr internal_core;
} *mergem;
amt = sizeof (longbuf);
if (bfd_bread ((PTR) longbuf, amt, abfd) != amt)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return 0;
}
if (strncmp (longbuf, COR_MAGIC, 4))
return 0;
if (bfd_seek (abfd, (file_ptr) 0, 0) != 0)
return 0;
amt = sizeof (struct mergem);
mergem = (struct mergem *) bfd_zalloc (abfd, amt);
if (mergem == NULL)
return 0;
core = &mergem->internal_core;
if ((bfd_bread ((PTR) core, core_size, abfd)) != core_size)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
loser:
bfd_release (abfd, (char *) mergem);
abfd->tdata.any = NULL;
bfd_section_list_clear (abfd);
return 0;
}
set_tdata (abfd, &mergem->coredata);
core_hdr (abfd) = core;
/* Create the sections. */
core_regsec (abfd) = bfd_make_section_anyway (abfd, ".reg");
if (core_regsec (abfd) == NULL)
goto loser;
core_regsec (abfd)->flags = SEC_HAS_CONTENTS;
core_regsec (abfd)->size = sizeof (core->cd_regs);
core_regsec (abfd)->vma = (bfd_vma) -1;
/* We'll access the regs afresh in the core file, like any section. */
core_regsec (abfd)->filepos =
(file_ptr) offsetof (struct corehdr, cd_regs[0]);
core_reg2sec (abfd) = bfd_make_section_anyway (abfd, ".reg2");
if (core_reg2sec (abfd) == NULL)
/* bfd_release frees everything allocated after it's arg. */
goto loser;
core_reg2sec (abfd)->flags = SEC_HAS_CONTENTS;
core_reg2sec (abfd)->size = sizeof (core->cd_fpregs);
core_reg2sec (abfd)->vma = (bfd_vma) -1;
core_reg2sec (abfd)->filepos =
(file_ptr) offsetof (struct corehdr, cd_fpregs);
for (i = 0, n = 0; (i < MAX_CORE_SEGS) && (core->cd_segs[i].cs_type); i++)
{
const char *sname;
flagword flags;
if (core->cd_segs[i].cs_offset == 0)
continue;
switch (core->cd_segs[i].cs_type)
{
case COR_TYPE_DATA:
sname = ".data";
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
break;
case COR_TYPE_STACK:
sname = ".stack";
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
break;
case COR_TYPE_LIBDATA:
sname = ".libdata";
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
break;
case COR_TYPE_WRITE:
sname = ".writeable";
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
break;
case COR_TYPE_MSC:
sname = ".misc";
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
break;
default:
sname = ".unknown";
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
break;
}
core_section (abfd, n) = bfd_make_section_anyway (abfd, sname);
if (core_section (abfd, n) == NULL)
goto loser;
core_section (abfd, n)->flags = flags;
core_section (abfd, n)->size = core->cd_segs[i].cs_len;
core_section (abfd, n)->vma = core->cd_segs[i].cs_address;
core_section (abfd, n)->filepos = core->cd_segs[i].cs_offset;
core_section (abfd, n)->alignment_power = 2;
n++;
}
return abfd->xvec;
}
static char *
aix386_core_file_failing_command (abfd)
bfd *abfd;
{
return core_hdr (abfd)->cd_comm;
}
static int
aix386_core_file_failing_signal (abfd)
bfd *abfd;
{
return core_hdr (abfd)->cd_cursig;
}
static bfd_boolean
aix386_core_file_matches_executable_p (core_bfd, exec_bfd)
bfd *core_bfd;
bfd *exec_bfd;
{
/* FIXME: We have no way of telling at this point. */
return TRUE;
}
/* If somebody calls any byte-swapping routines, shoot them. */
static void
swap_abort ()
{
/* This way doesn't require any declaration for ANSI to fuck up. */
abort ();
}
#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
const bfd_target aix386_core_vec = {
"aix386-core",
bfd_target_unknown_flavour,
BFD_ENDIAN_BIG, /* target byte order */
BFD_ENDIAN_BIG, /* target headers byte order */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
0, /* leading underscore */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
NO_GET64, NO_GETS64, NO_PUT64,
NO_GET, NO_GETS, NO_PUT,
NO_GET, NO_GETS, NO_PUT, /* data */
NO_GET64, NO_GETS64, NO_PUT64,
NO_GET, NO_GETS, NO_PUT,
NO_GET, NO_GETS, NO_PUT, /* hdrs */
{_bfd_dummy_target, _bfd_dummy_target,
_bfd_dummy_target, aix386_core_file_p},
{bfd_false, bfd_false, /* bfd_create_object */
bfd_false, bfd_false},
{bfd_false, bfd_false, /* bfd_write_contents */
bfd_false, bfd_false},
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
BFD_JUMP_TABLE_COPY (_bfd_generic),
BFD_JUMP_TABLE_CORE (aix386),
BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
BFD_JUMP_TABLE_WRITE (_bfd_generic),
BFD_JUMP_TABLE_LINK (_bfd_nolink),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
NULL,
(PTR) 0
};
|
