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 /* Forward declarations. */
48 static const bfd_target *netbsd_core_file_p
50 static char *netbsd_core_file_failing_command
52 static int netbsd_core_file_failing_signal
54 static bfd_boolean netbsd_core_file_matches_executable_p
55 PARAMS ((bfd *core_bfd, bfd *exec_bfd));
56 static void swap_abort
59 /* Handle NetBSD-style core dump file. */
61 static const bfd_target *
62 netbsd_core_file_p (abfd)
70 struct coreseg coreseg;
71 bfd_size_type amt = sizeof core;
73 val = bfd_bread ((void *) &core, amt, abfd);
74 if (val != sizeof core)
76 /* Too small to be a core file. */
77 bfd_set_error (bfd_error_wrong_format);
81 if (CORE_GETMAGIC (core) != COREMAGIC)
83 bfd_set_error (bfd_error_wrong_format);
87 amt = sizeof (struct netbsd_core_struct);
88 rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt);
93 abfd->tdata.netbsd_core_data = rawptr;
95 offset = core.c_hdrsize;
96 for (i = 0; i < core.c_nseg; i++)
101 if (bfd_seek (abfd, offset, SEEK_SET) != 0)
104 val = bfd_bread ((void *) &coreseg, (bfd_size_type) sizeof coreseg, abfd);
105 if (val != sizeof coreseg)
107 bfd_set_error (bfd_error_file_truncated);
110 if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC)
112 bfd_set_error (bfd_error_wrong_format);
116 offset += core.c_seghdrsize;
118 switch (CORE_GETFLAG (coreseg))
122 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
126 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
130 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
134 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
137 asect = bfd_make_section_anyway (abfd, sname);
141 asect->flags = flags;
142 asect->_raw_size = coreseg.c_size;
143 asect->vma = coreseg.c_addr;
144 asect->filepos = offset;
145 asect->alignment_power = 2;
147 if (CORE_GETMID (core) == M_SPARC_NETBSD
148 && CORE_GETFLAG (coreseg) == CORE_CPU
149 && coreseg.c_size > CORE_WCOOKIE_OFFSET)
151 /* Truncate the .reg section. */
152 asect->_raw_size = CORE_WCOOKIE_OFFSET;
154 /* And create the .wcookie section. */
155 asect = bfd_make_section_anyway (abfd, ".wcookie");
159 asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
160 asect->_raw_size = 4;
162 asect->filepos = offset + CORE_WCOOKIE_OFFSET;
163 asect->alignment_power = 2;
166 offset += coreseg.c_size;
169 /* Set architecture from machine ID. */
170 switch (CORE_GETMID (core))
173 bfd_default_set_arch_mach (abfd, bfd_arch_alpha, 0);
177 bfd_default_set_arch_mach (abfd, bfd_arch_arm, bfd_mach_arm_3);
180 case M_X86_64_NETBSD:
181 bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64);
185 bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386);
190 bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
194 bfd_default_set_arch_mach (abfd, bfd_arch_m88k, 0);
198 bfd_default_set_arch_mach (abfd, bfd_arch_hppa, bfd_mach_hppa11);
201 case M_POWERPC_NETBSD:
202 bfd_default_set_arch_mach (abfd, bfd_arch_powerpc, bfd_mach_ppc);
206 bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
209 case M_SPARC64_NETBSD:
210 case M_SPARC64_OPENBSD:
211 bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9);
216 bfd_default_set_arch_mach (abfd, bfd_arch_vax, 0);
220 /* OK, we believe you. You're a core file (sure, sure). */
224 bfd_release (abfd, abfd->tdata.any);
225 abfd->tdata.any = NULL;
226 bfd_section_list_clear (abfd);
231 netbsd_core_file_failing_command (abfd)
234 /*return core_command (abfd);*/
235 return abfd->tdata.netbsd_core_data->core.c_name;
239 netbsd_core_file_failing_signal (abfd)
242 /*return core_signal (abfd);*/
243 return abfd->tdata.netbsd_core_data->core.c_signo;
247 netbsd_core_file_matches_executable_p (core_bfd, exec_bfd)
248 bfd *core_bfd ATTRIBUTE_UNUSED;
249 bfd *exec_bfd ATTRIBUTE_UNUSED;
251 /* FIXME, We have no way of telling at this point. */
255 /* If somebody calls any byte-swapping routines, shoot them. */
260 /* This way doesn't require any declaration for ANSI to fuck up. */
264 #define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
265 #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
266 #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
267 #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
268 #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
269 #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
271 const bfd_target netbsd_core_vec =
274 bfd_target_unknown_flavour,
275 BFD_ENDIAN_UNKNOWN, /* Target byte order. */
276 BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */
277 (HAS_RELOC | EXEC_P | /* Object flags. */
278 HAS_LINENO | HAS_DEBUG |
279 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
280 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */
281 0, /* Symbol prefix. */
282 ' ', /* ar_pad_char. */
283 16, /* ar_max_namelen. */
284 NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */
285 NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */
286 NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */
287 NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */
288 NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */
289 NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */
291 { /* bfd_check_format. */
292 _bfd_dummy_target, /* Unknown format. */
293 _bfd_dummy_target, /* Object file. */
294 _bfd_dummy_target, /* Archive. */
295 netbsd_core_file_p /* A core file. */
297 { /* bfd_set_format. */
298 bfd_false, bfd_false,
301 { /* bfd_write_contents. */
302 bfd_false, bfd_false,
306 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
307 BFD_JUMP_TABLE_COPY (_bfd_generic),
308 BFD_JUMP_TABLE_CORE (netbsd),
309 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
310 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
311 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
312 BFD_JUMP_TABLE_WRITE (_bfd_generic),
313 BFD_JUMP_TABLE_LINK (_bfd_nolink),
314 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
318 (PTR) 0 /* Backend_data. */