1 /* BFD back-end for OSF/1 core files.
2 Copyright 1993, 1994, 1995, 1998, 1999, 2001, 2002
3 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 /* This file can only be compiled on systems which use OSF/1 style
31 /* forward declarations */
33 static asection *make_bfd_asection
34 PARAMS ((bfd *, const char *, flagword, bfd_size_type, bfd_vma, file_ptr));
35 static const bfd_target *osf_core_core_file_p
37 static char *osf_core_core_file_failing_command
39 static int osf_core_core_file_failing_signal
41 static bfd_boolean osf_core_core_file_matches_executable_p
42 PARAMS ((bfd *, bfd *));
43 static void swap_abort
46 /* These are stored in the bfd's tdata */
48 struct osf_core_struct
51 char cmd[MAXCOMLEN + 1];
54 #define core_hdr(bfd) ((bfd)->tdata.osf_core_data)
55 #define core_signal(bfd) (core_hdr(bfd)->sig)
56 #define core_command(bfd) (core_hdr(bfd)->cmd)
59 make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
63 bfd_size_type _raw_size;
69 asect = bfd_make_section_anyway (abfd, name);
74 asect->_raw_size = _raw_size;
76 asect->filepos = filepos;
77 asect->alignment_power = 8;
82 static const bfd_target *
83 osf_core_core_file_p (abfd)
89 struct core_filehdr core_header;
92 amt = sizeof core_header;
93 val = bfd_bread ((PTR) &core_header, amt, abfd);
94 if (val != sizeof core_header)
97 if (strncmp (core_header.magic, "Core", 4) != 0)
100 core_hdr (abfd) = (struct osf_core_struct *)
101 bfd_zalloc (abfd, (bfd_size_type) sizeof (struct osf_core_struct));
102 if (!core_hdr (abfd))
105 strncpy (core_command (abfd), core_header.name, MAXCOMLEN + 1);
106 core_signal (abfd) = core_header.signo;
108 for (i = 0; i < core_header.nscns; i++)
110 struct core_scnhdr core_scnhdr;
113 amt = sizeof core_scnhdr;
114 val = bfd_bread ((PTR) &core_scnhdr, amt, abfd);
115 if (val != sizeof core_scnhdr)
118 /* Skip empty sections. */
119 if (core_scnhdr.size == 0 || core_scnhdr.scnptr == 0)
122 switch (core_scnhdr.scntype)
126 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
130 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
134 flags = SEC_HAS_CONTENTS;
137 (*_bfd_error_handler) (_("Unhandled OSF/1 core file section type %d\n"),
138 core_scnhdr.scntype);
142 if (!make_bfd_asection (abfd, secname, flags,
143 (bfd_size_type) core_scnhdr.size,
144 (bfd_vma) core_scnhdr.vaddr,
145 (file_ptr) core_scnhdr.scnptr))
149 /* OK, we believe you. You're a core file (sure, sure). */
154 bfd_release (abfd, core_hdr (abfd));
155 core_hdr (abfd) = NULL;
156 bfd_section_list_clear (abfd);
161 osf_core_core_file_failing_command (abfd)
164 return core_command (abfd);
168 osf_core_core_file_failing_signal (abfd)
171 return core_signal (abfd);
175 osf_core_core_file_matches_executable_p (core_bfd, exec_bfd)
176 bfd *core_bfd ATTRIBUTE_UNUSED;
177 bfd *exec_bfd ATTRIBUTE_UNUSED;
179 return TRUE; /* FIXME, We have no way of telling at this point */
182 /* If somebody calls any byte-swapping routines, shoot them. */
186 abort(); /* This way doesn't require any declaration for ANSI to fuck up */
188 #define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
189 #define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
190 #define NO_SIGNED_GET \
191 ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
193 const bfd_target osf_core_vec =
196 bfd_target_unknown_flavour,
197 BFD_ENDIAN_LITTLE, /* target byte order */
198 BFD_ENDIAN_LITTLE, /* target headers byte order */
199 (HAS_RELOC | EXEC_P | /* object flags */
200 HAS_LINENO | HAS_DEBUG |
201 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
202 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
203 0, /* symbol prefix */
204 ' ', /* ar_pad_char */
205 16, /* ar_max_namelen */
206 NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
207 NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
208 NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
209 NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
210 NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
211 NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
213 { /* bfd_check_format */
214 _bfd_dummy_target, /* unknown format */
215 _bfd_dummy_target, /* object file */
216 _bfd_dummy_target, /* archive */
217 osf_core_core_file_p /* a core file */
219 { /* bfd_set_format */
220 bfd_false, bfd_false,
223 { /* bfd_write_contents */
224 bfd_false, bfd_false,
228 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
229 BFD_JUMP_TABLE_COPY (_bfd_generic),
230 BFD_JUMP_TABLE_CORE (osf_core),
231 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
232 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
233 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
234 BFD_JUMP_TABLE_WRITE (_bfd_generic),
235 BFD_JUMP_TABLE_LINK (_bfd_nolink),
236 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
240 (PTR) 0 /* backend_data */