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>
34 * FIXME: On NetBSD/sparc CORE_FPU_OFFSET should be (sizeof (struct trapframe))
37 /* Offset of StackGhost cookie within `struct md_coredump' on
39 #define CORE_WCOOKIE_OFFSET 344
41 struct netbsd_core_struct {
45 /* forward declarations */
47 static const bfd_target *netbsd_core_file_p
49 static char *netbsd_core_file_failing_command
51 static int netbsd_core_file_failing_signal
53 static bfd_boolean netbsd_core_file_matches_executable_p
54 PARAMS ((bfd *core_bfd, bfd *exec_bfd));
55 static void swap_abort
58 /* Handle NetBSD-style core dump file. */
60 static const bfd_target *
61 netbsd_core_file_p (abfd)
67 asection *asect, *asect2;
69 struct coreseg coreseg;
70 bfd_size_type amt = sizeof core;
72 val = bfd_bread ((void *) &core, amt, abfd);
73 if (val != sizeof core)
75 /* Too small to be a core file */
76 bfd_set_error (bfd_error_wrong_format);
80 if (CORE_GETMAGIC (core) != COREMAGIC)
82 bfd_set_error (bfd_error_wrong_format);
86 amt = sizeof (struct netbsd_core_struct);
87 rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt);
92 abfd->tdata.netbsd_core_data = rawptr;
94 offset = core.c_hdrsize;
95 for (i = 0; i < core.c_nseg; i++)
100 if (bfd_seek (abfd, offset, SEEK_SET) != 0)
103 val = bfd_bread ((void *) &coreseg, (bfd_size_type) sizeof coreseg, abfd);
104 if (val != sizeof coreseg)
106 bfd_set_error (bfd_error_file_truncated);
109 if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC)
111 bfd_set_error (bfd_error_wrong_format);
115 offset += core.c_seghdrsize;
117 switch (CORE_GETFLAG (coreseg))
121 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
125 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
129 flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
133 flags = SEC_ALLOC + SEC_HAS_CONTENTS;
136 asect = bfd_make_section_anyway (abfd, sname);
140 asect->flags = flags;
141 asect->_raw_size = coreseg.c_size;
142 asect->vma = coreseg.c_addr;
143 asect->filepos = offset;
144 asect->alignment_power = 2;
146 if (CORE_GETMID (core) == M_SPARC_NETBSD
147 && CORE_GETFLAG (coreseg) == CORE_CPU
148 && coreseg.c_size > CORE_WCOOKIE_OFFSET)
150 /* Truncate the .reg section. */
151 asect->_raw_size = CORE_WCOOKIE_OFFSET;
153 /* And create the .wcookie section. */
154 asect = bfd_make_section_anyway (abfd, ".wcookie");
158 asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
159 asect->_raw_size = 4;
161 asect->filepos = offset + CORE_WCOOKIE_OFFSET;
162 asect->alignment_power = 2;
165 offset += coreseg.c_size;
167 #ifdef CORE_FPU_OFFSET
168 switch (CORE_GETFLAG (coreseg))
172 asect->_raw_size = CORE_FPU_OFFSET;
173 asect2 = bfd_make_section_anyway (abfd, ".reg2");
176 asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET;
178 asect2->filepos = asect->filepos + CORE_FPU_OFFSET;
179 asect2->alignment_power = 2;
180 asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
186 /* OK, we believe you. You're a core file (sure, sure). */
190 bfd_release (abfd, abfd->tdata.any);
191 abfd->tdata.any = NULL;
192 bfd_section_list_clear (abfd);
197 netbsd_core_file_failing_command (abfd)
200 /*return core_command (abfd);*/
201 return abfd->tdata.netbsd_core_data->core.c_name;
205 netbsd_core_file_failing_signal (abfd)
208 /*return core_signal (abfd);*/
209 return abfd->tdata.netbsd_core_data->core.c_signo;
213 netbsd_core_file_matches_executable_p (core_bfd, exec_bfd)
214 bfd *core_bfd ATTRIBUTE_UNUSED;
215 bfd *exec_bfd ATTRIBUTE_UNUSED;
217 return TRUE; /* FIXME, We have no way of telling at this point */
220 /* If somebody calls any byte-swapping routines, shoot them. */
224 abort (); /* This way doesn't require any declaration for ANSI to fuck up */
227 #define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
228 #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
229 #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
230 #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
231 #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
232 #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
234 const bfd_target netbsd_core_vec =
237 bfd_target_unknown_flavour,
238 BFD_ENDIAN_UNKNOWN, /* target byte order */
239 BFD_ENDIAN_UNKNOWN, /* target headers byte order */
240 (HAS_RELOC | EXEC_P | /* object flags */
241 HAS_LINENO | HAS_DEBUG |
242 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
243 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
244 0, /* symbol prefix */
245 ' ', /* ar_pad_char */
246 16, /* ar_max_namelen */
247 NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */
248 NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */
249 NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */
250 NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */
251 NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */
252 NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */
254 { /* bfd_check_format */
255 _bfd_dummy_target, /* unknown format */
256 _bfd_dummy_target, /* object file */
257 _bfd_dummy_target, /* archive */
258 netbsd_core_file_p /* a core file */
260 { /* bfd_set_format */
261 bfd_false, bfd_false,
264 { /* bfd_write_contents */
265 bfd_false, bfd_false,
269 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
270 BFD_JUMP_TABLE_COPY (_bfd_generic),
271 BFD_JUMP_TABLE_CORE (netbsd),
272 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
273 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
274 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
275 BFD_JUMP_TABLE_WRITE (_bfd_generic),
276 BFD_JUMP_TABLE_LINK (_bfd_nolink),
277 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
281 (PTR) 0 /* backend_data */