1 /* BFD back end for NetBSD style core files
2 Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000, 2001,
4 Free Software Foundation, Inc.
5 Written by Paul Kranenburg, EUR
7 This file is part of BFD, the Binary File Descriptor library.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 #include "libaout.h" /* BFD a.out internal data structures. */
28 #include <sys/param.h>
33 /* The machine ID for OpenBSD/sparc64 and older versions of
34 NetBSD/sparc64 overlaps with M_MIPS1. */
35 #define M_SPARC64_OPENBSD M_MIPS1
37 /* Offset of StackGhost cookie within `struct md_coredump' on
39 #define CORE_WCOOKIE_OFFSET 344
41 struct netbsd_core_struct
46 /* Handle NetBSD-style core dump file. */
48 static const bfd_target *
49 netbsd_core_file_p (bfd *abfd)
56 struct coreseg coreseg;
57 bfd_size_type amt = sizeof core;
59 val = bfd_bread (&core, amt, abfd);
60 if (val != sizeof core)
62 /* Too small to be a core file. */
63 bfd_set_error (bfd_error_wrong_format);
67 if (CORE_GETMAGIC (core) != COREMAGIC)
69 bfd_set_error (bfd_error_wrong_format);
73 amt = sizeof (struct netbsd_core_struct);
74 rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt);
79 abfd->tdata.netbsd_core_data = rawptr;
81 offset = core.c_hdrsize;
82 for (i = 0; i < core.c_nseg; i++)
87 if (bfd_seek (abfd, offset, SEEK_SET) != 0)
90 val = bfd_bread (&coreseg, sizeof coreseg, abfd);
91 if (val != sizeof coreseg)
93 bfd_set_error (bfd_error_file_truncated);
96 if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC)
98 bfd_set_error (bfd_error_wrong_format);
102 offset += core.c_seghdrsize;
104 switch (CORE_GETFLAG (coreseg))
108 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
112 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
116 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
120 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
123 asect = bfd_make_section_anyway (abfd, sname);
127 asect->flags = flags;
128 asect->size = coreseg.c_size;
129 asect->vma = coreseg.c_addr;
130 asect->filepos = offset;
131 asect->alignment_power = 2;
133 if (CORE_GETMID (core) == M_SPARC_NETBSD
134 && CORE_GETFLAG (coreseg) == CORE_CPU
135 && coreseg.c_size > CORE_WCOOKIE_OFFSET)
137 /* Truncate the .reg section. */
138 asect->size = CORE_WCOOKIE_OFFSET;
140 /* And create the .wcookie section. */
141 asect = bfd_make_section_anyway (abfd, ".wcookie");
145 asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
148 asect->filepos = offset + CORE_WCOOKIE_OFFSET;
149 asect->alignment_power = 2;
152 offset += coreseg.c_size;
155 /* Set architecture from machine ID. */
156 switch (CORE_GETMID (core))
159 bfd_default_set_arch_mach (abfd, bfd_arch_alpha, 0);
163 bfd_default_set_arch_mach (abfd, bfd_arch_arm, bfd_mach_arm_3);
166 case M_X86_64_NETBSD:
167 bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64);
171 bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386);
176 bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
180 bfd_default_set_arch_mach (abfd, bfd_arch_m88k, 0);
184 bfd_default_set_arch_mach (abfd, bfd_arch_hppa, bfd_mach_hppa11);
187 case M_POWERPC_NETBSD:
188 bfd_default_set_arch_mach (abfd, bfd_arch_powerpc, bfd_mach_ppc);
192 bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
195 case M_SPARC64_NETBSD:
196 case M_SPARC64_OPENBSD:
197 bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9);
202 bfd_default_set_arch_mach (abfd, bfd_arch_vax, 0);
206 /* OK, we believe you. You're a core file (sure, sure). */
210 bfd_release (abfd, abfd->tdata.any);
211 abfd->tdata.any = NULL;
212 bfd_section_list_clear (abfd);
217 netbsd_core_file_failing_command (bfd *abfd)
219 /*return core_command (abfd);*/
220 return abfd->tdata.netbsd_core_data->core.c_name;
224 netbsd_core_file_failing_signal (bfd *abfd)
226 /*return core_signal (abfd);*/
227 return abfd->tdata.netbsd_core_data->core.c_signo;
231 netbsd_core_file_matches_executable_p (bfd *core_bfd ATTRIBUTE_UNUSED,
232 bfd *exec_bfd ATTRIBUTE_UNUSED)
234 /* FIXME, We have no way of telling at this point. */
238 /* If somebody calls any byte-swapping routines, shoot them. */
243 /* This way doesn't require any declaration for ANSI to fuck up. */
247 #define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
248 #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
249 #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
250 #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
251 #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
252 #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
254 const bfd_target netbsd_core_vec =
257 bfd_target_unknown_flavour,
258 BFD_ENDIAN_UNKNOWN, /* Target byte order. */
259 BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */
260 (HAS_RELOC | EXEC_P | /* Object flags. */
261 HAS_LINENO | HAS_DEBUG |
262 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
263 (SEC_HAS_CONTENTS | /* Section flags. */
264 SEC_ALLOC | SEC_LOAD | SEC_RELOC),
265 0, /* Symbol prefix. */
266 ' ', /* ar_pad_char. */
267 16, /* ar_max_namelen. */
268 NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */
269 NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */
270 NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */
271 NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */
272 NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */
273 NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */
275 { /* bfd_check_format. */
276 _bfd_dummy_target, /* Unknown format. */
277 _bfd_dummy_target, /* Object file. */
278 _bfd_dummy_target, /* Archive. */
279 netbsd_core_file_p /* A core file. */
281 { /* bfd_set_format. */
282 bfd_false, bfd_false,
285 { /* bfd_write_contents. */
286 bfd_false, bfd_false,
290 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
291 BFD_JUMP_TABLE_COPY (_bfd_generic),
292 BFD_JUMP_TABLE_CORE (netbsd),
293 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
294 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
295 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
296 BFD_JUMP_TABLE_WRITE (_bfd_generic),
297 BFD_JUMP_TABLE_LINK (_bfd_nolink),
298 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
302 (PTR) 0 /* Backend_data. */