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 /* FIXME: On NetBSD/sparc CORE_FPU_OFFSET should be (sizeof (struct trapframe)). */
39 struct netbsd_core_struct
44 /* Forward declarations. */
46 static const bfd_target *netbsd_core_file_p
48 static char *netbsd_core_file_failing_command
50 static int netbsd_core_file_failing_signal
52 static bfd_boolean netbsd_core_file_matches_executable_p
53 PARAMS ((bfd *core_bfd, bfd *exec_bfd));
54 static void swap_abort
57 /* Handle NetBSD-style core dump file. */
59 static const bfd_target *
60 netbsd_core_file_p (abfd)
66 asection *asect, *asect2;
68 struct coreseg coreseg;
69 bfd_size_type amt = sizeof core;
71 val = bfd_bread ((void *) &core, amt, abfd);
72 if (val != sizeof core)
74 /* Too small to be a core file. */
75 bfd_set_error (bfd_error_wrong_format);
79 if (CORE_GETMAGIC (core) != COREMAGIC)
81 bfd_set_error (bfd_error_wrong_format);
85 amt = sizeof (struct netbsd_core_struct);
86 rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt);
91 abfd->tdata.netbsd_core_data = rawptr;
93 offset = core.c_hdrsize;
94 for (i = 0; i < core.c_nseg; i++)
99 if (bfd_seek (abfd, offset, SEEK_SET) != 0)
102 val = bfd_bread ((void *) &coreseg, (bfd_size_type) sizeof coreseg, abfd);
103 if (val != sizeof coreseg)
105 bfd_set_error (bfd_error_file_truncated);
108 if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC)
110 bfd_set_error (bfd_error_wrong_format);
114 offset += core.c_seghdrsize;
116 switch (CORE_GETFLAG (coreseg))
120 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
124 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
128 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
132 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
135 asect = bfd_make_section_anyway (abfd, sname);
139 asect->flags = flags;
140 asect->_raw_size = coreseg.c_size;
141 asect->vma = coreseg.c_addr;
142 asect->filepos = offset;
143 asect->alignment_power = 2;
145 offset += coreseg.c_size;
147 #ifdef CORE_FPU_OFFSET
148 switch (CORE_GETFLAG (coreseg))
152 asect->_raw_size = CORE_FPU_OFFSET;
153 asect2 = bfd_make_section_anyway (abfd, ".reg2");
156 asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET;
158 asect2->filepos = asect->filepos + CORE_FPU_OFFSET;
159 asect2->alignment_power = 2;
160 asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
166 /* Set architecture from machine ID. */
167 switch (CORE_GETMID (core))
169 case M_X86_64_NETBSD:
170 bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64);
174 bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386);
178 bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
181 case M_SPARC64_NETBSD:
182 case M_SPARC64_OPENBSD:
183 bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9);
187 /* OK, we believe you. You're a core file (sure, sure). */
191 bfd_release (abfd, abfd->tdata.any);
192 abfd->tdata.any = NULL;
193 bfd_section_list_clear (abfd);
198 netbsd_core_file_failing_command (abfd)
201 /*return core_command (abfd);*/
202 return abfd->tdata.netbsd_core_data->core.c_name;
206 netbsd_core_file_failing_signal (abfd)
209 /*return core_signal (abfd);*/
210 return abfd->tdata.netbsd_core_data->core.c_signo;
214 netbsd_core_file_matches_executable_p (core_bfd, exec_bfd)
215 bfd *core_bfd ATTRIBUTE_UNUSED;
216 bfd *exec_bfd ATTRIBUTE_UNUSED;
218 /* FIXME, We have no way of telling at this point. */
222 /* If somebody calls any byte-swapping routines, shoot them. */
227 /* This way doesn't require any declaration for ANSI to fuck up. */
231 #define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
232 #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
233 #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
234 #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
235 #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
236 #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
238 const bfd_target netbsd_core_vec =
241 bfd_target_unknown_flavour,
242 BFD_ENDIAN_UNKNOWN, /* Target byte order. */
243 BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */
244 (HAS_RELOC | EXEC_P | /* Object flags. */
245 HAS_LINENO | HAS_DEBUG |
246 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
247 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */
248 0, /* Symbol prefix. */
249 ' ', /* ar_pad_char. */
250 16, /* ar_max_namelen. */
251 NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */
252 NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */
253 NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */
254 NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */
255 NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */
256 NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */
258 { /* bfd_check_format. */
259 _bfd_dummy_target, /* Unknown format. */
260 _bfd_dummy_target, /* Object file. */
261 _bfd_dummy_target, /* Archive. */
262 netbsd_core_file_p /* A core file. */
264 { /* bfd_set_format. */
265 bfd_false, bfd_false,
268 { /* bfd_write_contents. */
269 bfd_false, bfd_false,
273 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
274 BFD_JUMP_TABLE_COPY (_bfd_generic),
275 BFD_JUMP_TABLE_CORE (netbsd),
276 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
277 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
278 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
279 BFD_JUMP_TABLE_WRITE (_bfd_generic),
280 BFD_JUMP_TABLE_LINK (_bfd_nolink),
281 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
285 (PTR) 0 /* Backend_data. */