1 /* BFD back-end for OSF/1 core files.
2 Copyright 1993 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
20 /* This file can only be compiled on systems which use OSF/1 style
21 core files. In the config/XXXXXX.mh file for such a system add
35 /* forward declarations */
38 make_bfd_asection
PARAMS ((bfd
*, CONST
char *, flagword
, bfd_size_type
,
41 osf_core_make_empty_symbol
PARAMS ((bfd
*));
43 osf_core_core_file_p
PARAMS ((bfd
*));
45 osf_core_core_file_failing_command
PARAMS ((bfd
*));
47 osf_core_core_file_failing_signal
PARAMS ((bfd
*));
49 osf_core_core_file_matches_executable_p
PARAMS ((bfd
*, bfd
*));
51 swap_abort
PARAMS ((void));
53 /* These are stored in the bfd's tdata */
55 struct osf_core_struct
58 char cmd
[MAXCOMLEN
+ 1];
61 #define core_hdr(bfd) ((bfd)->tdata.osf_core_data)
62 #define core_signal(bfd) (core_hdr(bfd)->sig)
63 #define core_command(bfd) (core_hdr(bfd)->cmd)
66 make_bfd_asection (abfd
, name
, flags
, _raw_size
, vma
, filepos
)
70 bfd_size_type _raw_size
;
76 asect
= bfd_make_section (abfd
, name
);
81 asect
->_raw_size
= _raw_size
;
83 asect
->filepos
= filepos
;
84 asect
->alignment_power
= 8;
90 osf_core_make_empty_symbol (abfd
)
93 asymbol
*new = (asymbol
*) bfd_zalloc (abfd
, sizeof (asymbol
));
100 osf_core_core_file_p (abfd
)
106 struct core_filehdr core_header
;
109 val
= bfd_read ((PTR
)&core_header
, 1, sizeof core_header
, abfd
);
110 if (val
!= sizeof core_header
)
113 if (strncmp (core_header
.magic
, "Core", 4) != 0)
116 core_hdr (abfd
) = (struct osf_core_struct
*)
117 bfd_zalloc (abfd
, sizeof (struct osf_core_struct
));
118 if (!core_hdr (abfd
))
121 strncpy (core_command (abfd
), core_header
.name
, MAXCOMLEN
+ 1);
122 core_signal (abfd
) = core_header
.signo
;
124 for (i
= 0; i
< core_header
.nscns
; i
++)
126 struct core_scnhdr core_scnhdr
;
128 val
= bfd_read ((PTR
)&core_scnhdr
, 1, sizeof core_scnhdr
, abfd
);
129 if (val
!= sizeof core_scnhdr
)
132 /* Skip empty sections. */
133 if (core_scnhdr
.size
== 0 || core_scnhdr
.scnptr
== 0)
136 switch (core_scnhdr
.scntype
)
139 /* OSF/1 has multiple data sections (data, bss and data/bss sections
140 for shared libraries), but bfd doesn't permit data sections with
141 the same name. Construct a unique section name. */
142 secname
= bfd_alloc (abfd
, 40);
145 bfd_set_error (bfd_error_no_memory
);
148 sprintf (secname
, ".data%d", dseccnt
++);
157 fprintf (stderr
, "Unhandled OSF/1 core file section type %d\n",
158 core_scnhdr
.scntype
);
162 if (!make_bfd_asection (abfd
, secname
,
163 SEC_ALLOC
+SEC_LOAD
+SEC_HAS_CONTENTS
,
164 (bfd_size_type
) core_scnhdr
.size
,
165 (bfd_vma
) core_scnhdr
.vaddr
,
166 (file_ptr
) core_scnhdr
.scnptr
))
170 /* OK, we believe you. You're a core file (sure, sure). */
176 osf_core_core_file_failing_command (abfd
)
179 return core_command (abfd
);
184 osf_core_core_file_failing_signal (abfd
)
187 return core_signal (abfd
);
192 osf_core_core_file_matches_executable_p (core_bfd
, exec_bfd
)
193 bfd
*core_bfd
, *exec_bfd
;
195 return true; /* FIXME, We have no way of telling at this point */
198 #define osf_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
199 #define osf_core_get_symtab _bfd_nosymbols_get_symtab
200 #define osf_core_print_symbol _bfd_nosymbols_print_symbol
201 #define osf_core_get_symbol_info _bfd_nosymbols_get_symbol_info
202 #define osf_core_bfd_is_local_label _bfd_nosymbols_bfd_is_local_label
203 #define osf_core_get_lineno _bfd_nosymbols_get_lineno
204 #define osf_core_find_nearest_line _bfd_nosymbols_find_nearest_line
205 #define osf_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
207 /* If somebody calls any byte-swapping routines, shoot them. */
211 abort(); /* This way doesn't require any declaration for ANSI to fuck up */
213 #define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
214 #define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
215 #define NO_SIGNED_GET \
216 ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
218 bfd_target osf_core_vec
=
221 bfd_target_unknown_flavour
,
222 true, /* target byte order */
223 true, /* target headers byte order */
224 (HAS_RELOC
| EXEC_P
| /* object flags */
225 HAS_LINENO
| HAS_DEBUG
|
226 HAS_SYMS
| HAS_LOCALS
| WP_TEXT
| D_PAGED
),
227 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
228 0, /* symbol prefix */
229 ' ', /* ar_pad_char */
230 16, /* ar_max_namelen */
231 3, /* minimum alignment power */
232 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 64 bit data */
233 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 32 bit data */
234 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 16 bit data */
235 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 64 bit hdrs */
236 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 32 bit hdrs */
237 NO_GET
, NO_SIGNED_GET
, NO_PUT
, /* 16 bit hdrs */
239 { /* bfd_check_format */
240 _bfd_dummy_target
, /* unknown format */
241 _bfd_dummy_target
, /* object file */
242 _bfd_dummy_target
, /* archive */
243 osf_core_core_file_p
/* a core file */
245 { /* bfd_set_format */
246 bfd_false
, bfd_false
,
249 { /* bfd_write_contents */
250 bfd_false
, bfd_false
,
254 BFD_JUMP_TABLE_GENERIC (_bfd_generic
),
255 BFD_JUMP_TABLE_COPY (_bfd_generic
),
256 BFD_JUMP_TABLE_CORE (osf_core
),
257 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive
),
258 BFD_JUMP_TABLE_SYMBOLS (osf_core
),
259 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs
),
260 BFD_JUMP_TABLE_WRITE (_bfd_generic
),
261 BFD_JUMP_TABLE_LINK (_bfd_nolink
),
263 (PTR
) 0 /* backend_data */