1 /* BFD back-end for AIX on PS/2 core files.
2 This was based on trad-core.c, which was written by John Gilmore of
4 Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1996, 1998, 1999, 2000,
5 2001, 2002, 2004, 2006, 2007
6 Free Software Foundation, Inc.
7 Written by Minh Tran-Le <TRANLE@INTELLICORP.COM>.
8 Converted to back end form by Ian Lance Taylor <ian@cygnus.com>.
10 This file is part of BFD, the Binary File Descriptor library.
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
29 #include "coff/i386.h"
30 #include "coff/internal.h"
35 #if defined (_AIX) && defined (_I386)
36 #define NOCHECKS /* This is for coredump.h. */
37 #define _h_USER /* Avoid including user.h from coredump.h. */
39 #include <sys/i386/coredump.h>
40 #endif /* _AIX && _I386 */
42 /* Maybe this could work on some other i386 but I have not tried it
43 * mtranle@paris - Tue Sep 24 12:49:35 1991
47 # define COR_MAGIC "core"
50 /* Need this cast because ptr is really void *. */
51 #define core_hdr(bfd) \
52 (((bfd->tdata.trad_core_data))->hdr)
53 #define core_section(bfd,n) \
54 (((bfd)->tdata.trad_core_data)->sections[n])
55 #define core_regsec(bfd) \
56 (((bfd)->tdata.trad_core_data)->reg_section)
57 #define core_reg2sec(bfd) \
58 (((bfd)->tdata.trad_core_data)->reg2_section)
60 /* These are stored in the bfd's tdata. */
61 struct trad_core_struct {
62 struct corehdr *hdr; /* core file header */
63 asection *reg_section;
64 asection *reg2_section;
65 asection *sections[MAX_CORE_SEGS];
68 static void swap_abort PARAMS ((void));
70 static const bfd_target *
71 aix386_core_file_p (abfd)
75 unsigned char longbuf[4]; /* Raw bytes of various header fields */
76 bfd_size_type core_size = sizeof (struct corehdr);
80 struct trad_core_struct coredata;
81 struct corehdr internal_core;
85 amt = sizeof (longbuf);
86 if (bfd_bread ((PTR) longbuf, amt, abfd) != amt)
88 if (bfd_get_error () != bfd_error_system_call)
89 bfd_set_error (bfd_error_wrong_format);
93 if (strncmp (longbuf, COR_MAGIC, 4))
96 if (bfd_seek (abfd, (file_ptr) 0, 0) != 0)
99 amt = sizeof (struct mergem);
100 mergem = (struct mergem *) bfd_zalloc (abfd, amt);
104 core = &mergem->internal_core;
106 if ((bfd_bread ((PTR) core, core_size, abfd)) != core_size)
108 if (bfd_get_error () != bfd_error_system_call)
109 bfd_set_error (bfd_error_wrong_format);
111 bfd_release (abfd, (char *) mergem);
112 abfd->tdata.any = NULL;
113 bfd_section_list_clear (abfd);
117 set_tdata (abfd, &mergem->coredata);
118 core_hdr (abfd) = core;
120 /* Create the sections. */
121 flags = SEC_HAS_CONTENTS;
122 core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg",
124 if (core_regsec (abfd) == NULL)
127 core_regsec (abfd)->size = sizeof (core->cd_regs);
128 core_regsec (abfd)->vma = (bfd_vma) -1;
130 /* We'll access the regs afresh in the core file, like any section. */
131 core_regsec (abfd)->filepos =
132 (file_ptr) offsetof (struct corehdr, cd_regs[0]);
134 flags = SEC_HAS_CONTENTS;
135 core_reg2sec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg2",
137 if (core_reg2sec (abfd) == NULL)
138 /* bfd_release frees everything allocated after it's arg. */
141 core_reg2sec (abfd)->size = sizeof (core->cd_fpregs);
142 core_reg2sec (abfd)->vma = (bfd_vma) -1;
143 core_reg2sec (abfd)->filepos =
144 (file_ptr) offsetof (struct corehdr, cd_fpregs);
146 for (i = 0, n = 0; (i < MAX_CORE_SEGS) && (core->cd_segs[i].cs_type); i++)
151 if (core->cd_segs[i].cs_offset == 0)
154 switch (core->cd_segs[i].cs_type)
158 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
162 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
164 case COR_TYPE_LIBDATA:
166 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
169 sname = ".writeable";
170 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
174 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
178 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
181 core_section (abfd, n) = bfd_make_section_anyway_with_flags (abfd,
184 if (core_section (abfd, n) == NULL)
187 core_section (abfd, n)->size = core->cd_segs[i].cs_len;
188 core_section (abfd, n)->vma = core->cd_segs[i].cs_address;
189 core_section (abfd, n)->filepos = core->cd_segs[i].cs_offset;
190 core_section (abfd, n)->alignment_power = 2;
198 aix386_core_file_failing_command (abfd)
201 return core_hdr (abfd)->cd_comm;
205 aix386_core_file_failing_signal (abfd)
208 return core_hdr (abfd)->cd_cursig;
211 #define aix386_core_file_matches_executable_p generic_core_file_matches_executable_p
213 /* If somebody calls any byte-swapping routines, shoot them. */
218 /* This way doesn't require any declaration for ANSI to fuck up. */
222 #define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
223 #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
224 #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
225 #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
226 #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
227 #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
229 const bfd_target aix386_core_vec = {
231 bfd_target_unknown_flavour,
232 BFD_ENDIAN_BIG, /* target byte order */
233 BFD_ENDIAN_BIG, /* target headers byte order */
234 (HAS_RELOC | EXEC_P | /* object flags */
235 HAS_LINENO | HAS_DEBUG |
236 HAS_SYMS | HAS_LOCALS | WP_TEXT),
238 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
239 0, /* leading underscore */
240 ' ', /* ar_pad_char */
241 16, /* ar_max_namelen */
242 NO_GET64, NO_GETS64, NO_PUT64,
243 NO_GET, NO_GETS, NO_PUT,
244 NO_GET, NO_GETS, NO_PUT, /* data */
245 NO_GET64, NO_GETS64, NO_PUT64,
246 NO_GET, NO_GETS, NO_PUT,
247 NO_GET, NO_GETS, NO_PUT, /* hdrs */
249 {_bfd_dummy_target, _bfd_dummy_target,
250 _bfd_dummy_target, aix386_core_file_p},
251 {bfd_false, bfd_false, /* bfd_create_object */
252 bfd_false, bfd_false},
253 {bfd_false, bfd_false, /* bfd_write_contents */
254 bfd_false, bfd_false},
256 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
257 BFD_JUMP_TABLE_COPY (_bfd_generic),
258 BFD_JUMP_TABLE_CORE (aix386),
259 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
260 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
261 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
262 BFD_JUMP_TABLE_WRITE (_bfd_generic),
263 BFD_JUMP_TABLE_LINK (_bfd_nolink),
264 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),