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, 2005, 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 3 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,
25 MA 02110-1301, USA. */
30 #include "coff/i386.h"
31 #include "coff/internal.h"
36 #if defined (_AIX) && defined (_I386)
37 #define NOCHECKS /* This is for coredump.h. */
38 #define _h_USER /* Avoid including user.h from coredump.h. */
40 #include <sys/i386/coredump.h>
41 #endif /* _AIX && _I386 */
43 /* Maybe this could work on some other i386 but I have not tried it
44 * mtranle@paris - Tue Sep 24 12:49:35 1991
48 # define COR_MAGIC "core"
51 /* Need this cast because ptr is really void *. */
52 #define core_hdr(bfd) \
53 (((bfd->tdata.trad_core_data))->hdr)
54 #define core_section(bfd,n) \
55 (((bfd)->tdata.trad_core_data)->sections[n])
56 #define core_regsec(bfd) \
57 (((bfd)->tdata.trad_core_data)->reg_section)
58 #define core_reg2sec(bfd) \
59 (((bfd)->tdata.trad_core_data)->reg2_section)
61 /* These are stored in the bfd's tdata. */
62 struct trad_core_struct {
63 struct corehdr *hdr; /* core file header */
64 asection *reg_section;
65 asection *reg2_section;
66 asection *sections[MAX_CORE_SEGS];
69 static void swap_abort PARAMS ((void));
71 static const bfd_target *
72 aix386_core_file_p (abfd)
76 unsigned char longbuf[4]; /* Raw bytes of various header fields */
77 bfd_size_type core_size = sizeof (struct corehdr);
81 struct trad_core_struct coredata;
82 struct corehdr internal_core;
86 amt = sizeof (longbuf);
87 if (bfd_bread ((PTR) longbuf, amt, abfd) != amt)
89 if (bfd_get_error () != bfd_error_system_call)
90 bfd_set_error (bfd_error_wrong_format);
94 if (strncmp (longbuf, COR_MAGIC, 4))
97 if (bfd_seek (abfd, (file_ptr) 0, 0) != 0)
100 amt = sizeof (struct mergem);
101 mergem = (struct mergem *) bfd_zalloc (abfd, amt);
105 core = &mergem->internal_core;
107 if ((bfd_bread ((PTR) core, core_size, abfd)) != core_size)
109 if (bfd_get_error () != bfd_error_system_call)
110 bfd_set_error (bfd_error_wrong_format);
112 bfd_release (abfd, (char *) mergem);
113 abfd->tdata.any = NULL;
114 bfd_section_list_clear (abfd);
118 set_tdata (abfd, &mergem->coredata);
119 core_hdr (abfd) = core;
121 /* Create the sections. */
122 flags = SEC_HAS_CONTENTS;
123 core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg",
125 if (core_regsec (abfd) == NULL)
128 core_regsec (abfd)->size = sizeof (core->cd_regs);
129 core_regsec (abfd)->vma = (bfd_vma) -1;
131 /* We'll access the regs afresh in the core file, like any section. */
132 core_regsec (abfd)->filepos =
133 (file_ptr) offsetof (struct corehdr, cd_regs[0]);
135 flags = SEC_HAS_CONTENTS;
136 core_reg2sec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg2",
138 if (core_reg2sec (abfd) == NULL)
139 /* bfd_release frees everything allocated after it's arg. */
142 core_reg2sec (abfd)->size = sizeof (core->cd_fpregs);
143 core_reg2sec (abfd)->vma = (bfd_vma) -1;
144 core_reg2sec (abfd)->filepos =
145 (file_ptr) offsetof (struct corehdr, cd_fpregs);
147 for (i = 0, n = 0; (i < MAX_CORE_SEGS) && (core->cd_segs[i].cs_type); i++)
152 if (core->cd_segs[i].cs_offset == 0)
155 switch (core->cd_segs[i].cs_type)
159 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
163 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
165 case COR_TYPE_LIBDATA:
167 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
170 sname = ".writeable";
171 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
175 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
179 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
182 core_section (abfd, n) = bfd_make_section_anyway_with_flags (abfd,
185 if (core_section (abfd, n) == NULL)
188 core_section (abfd, n)->size = core->cd_segs[i].cs_len;
189 core_section (abfd, n)->vma = core->cd_segs[i].cs_address;
190 core_section (abfd, n)->filepos = core->cd_segs[i].cs_offset;
191 core_section (abfd, n)->alignment_power = 2;
199 aix386_core_file_failing_command (abfd)
202 return core_hdr (abfd)->cd_comm;
206 aix386_core_file_failing_signal (abfd)
209 return core_hdr (abfd)->cd_cursig;
212 #define aix386_core_file_matches_executable_p generic_core_file_matches_executable_p
214 #define aix386_core_file_pid _bfd_nocore_core_file_pid
216 /* If somebody calls any byte-swapping routines, shoot them. */
221 /* This way doesn't require any declaration for ANSI to fuck up. */
225 #define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
226 #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
227 #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
228 #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
229 #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
230 #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
232 const bfd_target aix386_core_vec = {
234 bfd_target_unknown_flavour,
235 BFD_ENDIAN_BIG, /* target byte order */
236 BFD_ENDIAN_BIG, /* target headers byte order */
237 (HAS_RELOC | EXEC_P | /* object flags */
238 HAS_LINENO | HAS_DEBUG |
239 HAS_SYMS | HAS_LOCALS | WP_TEXT),
241 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
242 0, /* leading underscore */
243 ' ', /* ar_pad_char */
244 16, /* ar_max_namelen */
245 NO_GET64, NO_GETS64, NO_PUT64,
246 NO_GET, NO_GETS, NO_PUT,
247 NO_GET, NO_GETS, NO_PUT, /* data */
248 NO_GET64, NO_GETS64, NO_PUT64,
249 NO_GET, NO_GETS, NO_PUT,
250 NO_GET, NO_GETS, NO_PUT, /* hdrs */
252 {_bfd_dummy_target, _bfd_dummy_target,
253 _bfd_dummy_target, aix386_core_file_p},
254 {bfd_false, bfd_false, /* bfd_create_object */
255 bfd_false, bfd_false},
256 {bfd_false, bfd_false, /* bfd_write_contents */
257 bfd_false, bfd_false},
259 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
260 BFD_JUMP_TABLE_COPY (_bfd_generic),
261 BFD_JUMP_TABLE_CORE (aix386),
262 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
263 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
264 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
265 BFD_JUMP_TABLE_WRITE (_bfd_generic),
266 BFD_JUMP_TABLE_LINK (_bfd_nolink),
267 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),