1 /* BFD back end for NetBSD style core files
2 Copyright 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
3 Written by Paul Kranenburg, EUR
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. */
24 #include "libaout.h" /* BFD a.out internal data structures */
27 #include <sys/types.h>
28 #include <sys/param.h>
35 * FIXME: On NetBSD/sparc CORE_FPU_OFFSET should be (sizeof(struct trapframe))
38 struct netbsd_core_struct {
42 /* forward declarations */
44 static const bfd_target * netbsd_core_core_file_p PARAMS ((bfd *abfd));
45 static char * netbsd_core_core_file_failing_command PARAMS ((bfd *abfd));
46 static int netbsd_core_core_file_failing_signal PARAMS ((bfd *abfd));
47 static boolean netbsd_core_core_file_matches_executable_p
48 PARAMS ((bfd *core_bfd, bfd *exec_bfd));
50 /* Handle NetBSD-style core dump file. */
53 static const bfd_target *
54 netbsd_core_core_file_p (abfd)
59 asection *asect, *asect2;
61 struct coreseg coreseg;
63 val = bfd_read ((void *)&core, 1, sizeof core, abfd);
64 if (val != sizeof core) {
65 /* Too small to be a core file */
66 bfd_set_error(bfd_error_wrong_format);
70 if (CORE_GETMAGIC(core) != COREMAGIC) {
71 bfd_set_error(bfd_error_wrong_format);
75 rawptr = (struct netbsd_core_struct *)
76 bfd_zalloc (abfd, sizeof (struct netbsd_core_struct));
78 bfd_set_error(bfd_error_no_memory);
83 abfd->tdata.netbsd_core_data = rawptr;
85 offset = core.c_hdrsize;
86 for (i = 0; i < core.c_nseg; i++) {
88 if (bfd_seek (abfd, offset, SEEK_SET) != 0)
91 val = bfd_read ((void *)&coreseg, 1, sizeof coreseg, abfd);
92 if (val != sizeof coreseg) {
93 bfd_set_error(bfd_error_file_truncated);
96 if (CORE_GETMAGIC(coreseg) != CORESEGMAGIC) {
97 bfd_set_error(bfd_error_wrong_format);
101 offset += core.c_seghdrsize;
103 asect = (asection *) bfd_zalloc (abfd, sizeof(asection));
105 bfd_set_error(bfd_error_no_memory);
108 asect->_raw_size = coreseg.c_size;
109 asect->vma = coreseg.c_addr;
110 asect->filepos = offset;
111 asect->alignment_power = 2;
112 asect->next = abfd->sections;
113 abfd->sections = asect;
114 abfd->section_count++;
115 offset += coreseg.c_size;
117 switch (CORE_GETFLAG(coreseg)) {
119 asect->name = ".reg";
120 asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
121 #ifdef CORE_FPU_OFFSET
123 asect->_raw_size = CORE_FPU_OFFSET;
124 asect2 = (asection *)bfd_zalloc (abfd,
126 if (asect2 == NULL) {
127 bfd_set_error(bfd_error_no_memory);
130 asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET;
132 asect2->filepos = asect->filepos + CORE_FPU_OFFSET;
133 asect2->alignment_power = 2;
134 asect2->next = abfd->sections;
135 asect2->name = ".reg2";
136 asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
137 abfd->sections = asect2;
138 abfd->section_count++;
143 asect->name = ".data";
144 asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
147 asect->name = ".stack";
148 asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
153 /* OK, we believe you. You're a core file (sure, sure). */
158 for (asect = abfd->sections; asect; asect = anext) {
163 free ((void *)rawptr);
164 abfd->tdata.netbsd_core_data = NULL;
165 abfd->sections = NULL;
166 abfd->section_count = 0;
171 netbsd_core_core_file_failing_command (abfd)
174 /*return core_command (abfd);*/
175 return abfd->tdata.netbsd_core_data->core.c_name;
180 netbsd_core_core_file_failing_signal (abfd)
183 /*return core_signal (abfd);*/
184 return abfd->tdata.netbsd_core_data->core.c_signo;
189 netbsd_core_core_file_matches_executable_p (core_bfd, exec_bfd)
190 bfd *core_bfd, *exec_bfd;
192 return true; /* FIXME, We have no way of telling at this point */
195 /* No archive file support via this BFD */
196 #define netbsd_openr_next_archived_file bfd_generic_openr_next_archived_file
197 #define netbsd_generic_stat_arch_elt bfd_generic_stat_arch_elt
198 #define netbsd_slurp_armap bfd_false
199 #define netbsd_slurp_extended_name_table bfd_true
200 #define netbsd_write_armap (boolean (*) PARAMS \
201 ((bfd *arch, unsigned int elength, struct orl *map, \
202 unsigned int orl_count, int stridx))) bfd_false
203 #define netbsd_truncate_arname bfd_dont_truncate_arname
204 #define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
206 #define netbsd_close_and_cleanup bfd_generic_close_and_cleanup
207 #define netbsd_set_section_contents (boolean (*) PARAMS \
208 ((bfd *abfd, asection *section, PTR data, file_ptr offset, \
209 bfd_size_type count))) bfd_false
210 #define netbsd_get_section_contents bfd_generic_get_section_contents
211 #define netbsd_new_section_hook (boolean (*) PARAMS \
212 ((bfd *, sec_ptr))) bfd_true
213 #define netbsd_get_symtab_upper_bound bfd_0u
214 #define netbsd_get_symtab (unsigned int (*) PARAMS \
215 ((bfd *, struct symbol_cache_entry **))) bfd_0u
216 #define netbsd_get_reloc_upper_bound (unsigned int (*) PARAMS \
217 ((bfd *, sec_ptr))) bfd_0u
218 #define netbsd_canonicalize_reloc (unsigned int (*) PARAMS \
219 ((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
220 #define netbsd_make_empty_symbol (struct symbol_cache_entry * \
221 (*) PARAMS ((bfd *))) bfd_false
222 #define netbsd_print_symbol (void (*) PARAMS \
223 ((bfd *, PTR, struct symbol_cache_entry *, \
224 bfd_print_symbol_type))) bfd_false
225 #define netbsd_get_symbol_info (void (*) PARAMS \
226 ((bfd *, struct symbol_cache_entry *, \
227 symbol_info *))) bfd_false
228 #define netbsd_get_lineno (alent * (*) PARAMS \
229 ((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
230 #define netbsd_set_arch_mach (boolean (*) PARAMS \
231 ((bfd *, enum bfd_architecture, unsigned long))) bfd_false
232 #define netbsd_find_nearest_line (boolean (*) PARAMS \
233 ((bfd *abfd, struct sec *section, \
234 struct symbol_cache_entry **symbols,bfd_vma offset, \
235 CONST char **file, CONST char **func, unsigned int *line))) bfd_false
236 #define netbsd_sizeof_headers (int (*) PARAMS \
237 ((bfd *, boolean))) bfd_0
239 #define netbsd_bfd_debug_info_start bfd_void
240 #define netbsd_bfd_debug_info_end bfd_void
241 #define netbsd_bfd_debug_info_accumulate (void (*) PARAMS \
242 ((bfd *, struct sec *))) bfd_void
243 #define netbsd_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
244 #define netbsd_bfd_relax_section bfd_generic_relax_section
245 #define netbsd_bfd_seclet_link \
246 ((boolean (*) PARAMS ((bfd *, PTR, boolean))) bfd_false)
247 #define netbsd_bfd_reloc_type_lookup \
248 ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
249 #define netbsd_bfd_make_debug_symbol \
250 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
252 /* If somebody calls any byte-swapping routines, shoot them. */
256 abort(); /* This way doesn't require any declaration for ANSI to fuck up */
258 #define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
259 #define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
260 #define NO_SIGNED_GET \
261 ((bfd_signed_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
263 const bfd_target netbsd_core_vec =
266 bfd_target_unknown_flavour,
267 true, /* target byte order */
268 true, /* target headers byte order */
269 (HAS_RELOC | EXEC_P | /* object flags */
270 HAS_LINENO | HAS_DEBUG |
271 HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
272 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
273 0, /* symbol prefix */
274 ' ', /* ar_pad_char */
275 16, /* ar_max_namelen */
276 3, /* minimum alignment power */
277 NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
278 NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
279 NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
280 NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
281 NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
282 NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
284 { /* bfd_check_format */
285 _bfd_dummy_target, /* unknown format */
286 _bfd_dummy_target, /* object file */
287 _bfd_dummy_target, /* archive */
288 netbsd_core_core_file_p /* a core file */
290 { /* bfd_set_format */
291 bfd_false, bfd_false,
294 { /* bfd_write_contents */
295 bfd_false, bfd_false,
299 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
300 BFD_JUMP_TABLE_COPY (_bfd_generic),
301 BFD_JUMP_TABLE_CORE (netbsd_core),
302 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
303 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
304 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
305 BFD_JUMP_TABLE_WRITE (_bfd_generic),
306 BFD_JUMP_TABLE_LINK (_bfd_nolink),
307 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
309 (PTR) 0 /* backend_data */