Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end for OSF/1 core files. |
aa820537 | 2 | Copyright 1993, 1994, 1995, 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2006, |
2c3fc389 | 3 | 2007, 2010, 2011, 2012 Free Software Foundation, Inc. |
252b5132 | 4 | |
cd123cb7 | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
cd123cb7 NC |
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 3 of the License, or | |
10 | (at your option) any later version. | |
252b5132 | 11 | |
cd123cb7 NC |
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. | |
16 | ||
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., 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
252b5132 | 21 | |
252b5132 RH |
22 | |
23 | /* This file can only be compiled on systems which use OSF/1 style | |
24 | core files. */ | |
25 | ||
252b5132 | 26 | #include "sysdep.h" |
3db64b00 | 27 | #include "bfd.h" |
252b5132 RH |
28 | #include "libbfd.h" |
29 | ||
30 | #include <sys/user.h> | |
9b818146 | 31 | #ifdef OSF_CORE |
252b5132 | 32 | #include <sys/core.h> |
9b818146 | 33 | #endif |
252b5132 RH |
34 | |
35 | /* forward declarations */ | |
36 | ||
69d246d9 | 37 | #define osf_core_core_file_matches_executable_p generic_core_file_matches_executable_p |
261b8d08 | 38 | #define osf_core_core_file_pid _bfd_nocore_core_file_pid |
252b5132 RH |
39 | |
40 | /* These are stored in the bfd's tdata */ | |
41 | ||
dc810e39 | 42 | struct osf_core_struct |
252b5132 RH |
43 | { |
44 | int sig; | |
45 | char cmd[MAXCOMLEN + 1]; | |
46 | }; | |
47 | ||
48 | #define core_hdr(bfd) ((bfd)->tdata.osf_core_data) | |
2c3fc389 | 49 | #define core_signal(bfd) (core_hdr(bfd)->sig) |
252b5132 RH |
50 | #define core_command(bfd) (core_hdr(bfd)->cmd) |
51 | ||
52 | static asection * | |
2c3fc389 NC |
53 | make_bfd_asection (bfd *abfd, |
54 | const char *name, | |
55 | flagword flags, | |
56 | bfd_size_type size, | |
57 | bfd_vma vma, | |
58 | file_ptr filepos) | |
252b5132 RH |
59 | { |
60 | asection *asect; | |
61 | ||
117ed4f8 | 62 | asect = bfd_make_section_anyway_with_flags (abfd, name, flags); |
252b5132 RH |
63 | if (!asect) |
64 | return NULL; | |
65 | ||
eea6121a | 66 | asect->size = size; |
252b5132 RH |
67 | asect->vma = vma; |
68 | asect->filepos = filepos; | |
69 | asect->alignment_power = 8; | |
70 | ||
71 | return asect; | |
72 | } | |
73 | ||
252b5132 | 74 | static const bfd_target * |
2c3fc389 | 75 | osf_core_core_file_p (bfd *abfd) |
252b5132 RH |
76 | { |
77 | int val; | |
78 | int i; | |
79 | char *secname; | |
80 | struct core_filehdr core_header; | |
dc810e39 | 81 | bfd_size_type amt; |
252b5132 | 82 | |
dc810e39 | 83 | amt = sizeof core_header; |
2c3fc389 | 84 | val = bfd_bread (& core_header, amt, abfd); |
252b5132 RH |
85 | if (val != sizeof core_header) |
86 | return NULL; | |
87 | ||
0112cd26 | 88 | if (! CONST_STRNEQ (core_header.magic, "Core")) |
252b5132 RH |
89 | return NULL; |
90 | ||
91 | core_hdr (abfd) = (struct osf_core_struct *) | |
dc810e39 | 92 | bfd_zalloc (abfd, (bfd_size_type) sizeof (struct osf_core_struct)); |
252b5132 RH |
93 | if (!core_hdr (abfd)) |
94 | return NULL; | |
95 | ||
96 | strncpy (core_command (abfd), core_header.name, MAXCOMLEN + 1); | |
97 | core_signal (abfd) = core_header.signo; | |
98 | ||
99 | for (i = 0; i < core_header.nscns; i++) | |
100 | { | |
101 | struct core_scnhdr core_scnhdr; | |
102 | flagword flags; | |
103 | ||
dc810e39 | 104 | amt = sizeof core_scnhdr; |
2c3fc389 | 105 | val = bfd_bread (& core_scnhdr, amt, abfd); |
252b5132 RH |
106 | if (val != sizeof core_scnhdr) |
107 | break; | |
108 | ||
109 | /* Skip empty sections. */ | |
110 | if (core_scnhdr.size == 0 || core_scnhdr.scnptr == 0) | |
111 | continue; | |
112 | ||
113 | switch (core_scnhdr.scntype) | |
114 | { | |
115 | case SCNRGN: | |
116 | secname = ".data"; | |
117 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
118 | break; | |
119 | case SCNSTACK: | |
120 | secname = ".stack"; | |
121 | flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; | |
122 | break; | |
123 | case SCNREGS: | |
124 | secname = ".reg"; | |
125 | flags = SEC_HAS_CONTENTS; | |
126 | break; | |
127 | default: | |
128 | (*_bfd_error_handler) (_("Unhandled OSF/1 core file section type %d\n"), | |
129 | core_scnhdr.scntype); | |
130 | continue; | |
131 | } | |
132 | ||
133 | if (!make_bfd_asection (abfd, secname, flags, | |
134 | (bfd_size_type) core_scnhdr.size, | |
135 | (bfd_vma) core_scnhdr.vaddr, | |
136 | (file_ptr) core_scnhdr.scnptr)) | |
9e7b37b3 | 137 | goto fail; |
252b5132 RH |
138 | } |
139 | ||
140 | /* OK, we believe you. You're a core file (sure, sure). */ | |
141 | ||
142 | return abfd->xvec; | |
9e7b37b3 AM |
143 | |
144 | fail: | |
145 | bfd_release (abfd, core_hdr (abfd)); | |
146 | core_hdr (abfd) = NULL; | |
147 | bfd_section_list_clear (abfd); | |
148 | return NULL; | |
252b5132 RH |
149 | } |
150 | ||
151 | static char * | |
2c3fc389 | 152 | osf_core_core_file_failing_command (bfd *abfd) |
252b5132 RH |
153 | { |
154 | return core_command (abfd); | |
155 | } | |
156 | ||
252b5132 | 157 | static int |
2c3fc389 | 158 | osf_core_core_file_failing_signal (bfd *abfd) |
252b5132 RH |
159 | { |
160 | return core_signal (abfd); | |
161 | } | |
252b5132 | 162 | \f |
252b5132 RH |
163 | /* If somebody calls any byte-swapping routines, shoot them. */ |
164 | static void | |
2c3fc389 | 165 | swap_abort (void) |
252b5132 | 166 | { |
2c3fc389 | 167 | abort (); /* This way doesn't require any declaration for ANSI to fuck up */ |
252b5132 | 168 | } |
8ce8c090 | 169 | |
edeb6e24 AM |
170 | #define NO_GET ((bfd_vma (*) (const void *)) swap_abort) |
171 | #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort) | |
172 | #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort) | |
8ce8c090 AM |
173 | #define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort) |
174 | #define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort) | |
175 | #define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort) | |
252b5132 RH |
176 | |
177 | const bfd_target osf_core_vec = | |
178 | { | |
179 | "osf-core", | |
180 | bfd_target_unknown_flavour, | |
a68d41fb AM |
181 | BFD_ENDIAN_LITTLE, /* target byte order */ |
182 | BFD_ENDIAN_LITTLE, /* target headers byte order */ | |
252b5132 RH |
183 | (HAS_RELOC | EXEC_P | /* object flags */ |
184 | HAS_LINENO | HAS_DEBUG | | |
185 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
186 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ | |
d3aeb6ee AM |
187 | 0, /* symbol prefix */ |
188 | ' ', /* ar_pad_char */ | |
189 | 16, /* ar_max_namelen */ | |
190 | 0, /* match priority. */ | |
8ce8c090 | 191 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */ |
edeb6e24 AM |
192 | NO_GET, NO_GETS, NO_PUT, /* 32 bit data */ |
193 | NO_GET, NO_GETS, NO_PUT, /* 16 bit data */ | |
8ce8c090 | 194 | NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */ |
edeb6e24 AM |
195 | NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */ |
196 | NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */ | |
252b5132 RH |
197 | |
198 | { /* bfd_check_format */ | |
8ce8c090 AM |
199 | _bfd_dummy_target, /* unknown format */ |
200 | _bfd_dummy_target, /* object file */ | |
201 | _bfd_dummy_target, /* archive */ | |
202 | osf_core_core_file_p /* a core file */ | |
252b5132 RH |
203 | }, |
204 | { /* bfd_set_format */ | |
8ce8c090 AM |
205 | bfd_false, bfd_false, |
206 | bfd_false, bfd_false | |
252b5132 RH |
207 | }, |
208 | { /* bfd_write_contents */ | |
8ce8c090 AM |
209 | bfd_false, bfd_false, |
210 | bfd_false, bfd_false | |
252b5132 | 211 | }, |
dc810e39 | 212 | |
3f3c5c34 AM |
213 | BFD_JUMP_TABLE_GENERIC (_bfd_generic), |
214 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
215 | BFD_JUMP_TABLE_CORE (osf_core), | |
216 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
217 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
218 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
219 | BFD_JUMP_TABLE_WRITE (_bfd_generic), | |
220 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
221 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
252b5132 | 222 | |
c3c89269 | 223 | NULL, |
dc810e39 | 224 | |
2c3fc389 | 225 | NULL /* backend_data */ |
8ce8c090 | 226 | }; |