Commit | Line | Data |
---|---|---|
3af9a47b | 1 | /* PEF support for BFD. |
4b95cf5c | 2 | Copyright (C) 1999-2014 Free Software Foundation, Inc. |
3af9a47b NC |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 8 | the Free Software Foundation; either version 3 of the License, or |
3af9a47b NC |
9 | (at your option) any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
e84d6fca | 17 | along with this program; if not, write to the Free Software |
cd123cb7 NC |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | MA 02110-1301, USA. */ | |
3af9a47b | 20 | |
100fc767 TG |
21 | /* PEF (Preferred Executable Format) is the binary file format for late |
22 | classic Mac OS versions (before Darwin). It is supported by both m68k | |
23 | and PowerPc. It is also called CFM (Code Fragment Manager). */ | |
24 | ||
3db64b00 | 25 | #include "sysdep.h" |
29e1a6e4 | 26 | #include "safe-ctype.h" |
3af9a47b NC |
27 | #include "pef.h" |
28 | #include "pef-traceback.h" | |
3af9a47b | 29 | #include "bfd.h" |
3af9a47b | 30 | #include "libbfd.h" |
3af9a47b NC |
31 | #include "libiberty.h" |
32 | ||
33 | #ifndef BFD_IO_FUNCS | |
34 | #define BFD_IO_FUNCS 0 | |
35 | #endif | |
36 | ||
29e1a6e4 NC |
37 | #define bfd_pef_close_and_cleanup _bfd_generic_close_and_cleanup |
38 | #define bfd_pef_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
39 | #define bfd_pef_new_section_hook _bfd_generic_new_section_hook | |
40 | #define bfd_pef_bfd_is_local_label_name bfd_generic_is_local_label_name | |
3c9458e9 | 41 | #define bfd_pef_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) |
29e1a6e4 NC |
42 | #define bfd_pef_get_lineno _bfd_nosymbols_get_lineno |
43 | #define bfd_pef_find_nearest_line _bfd_nosymbols_find_nearest_line | |
4ab527b0 | 44 | #define bfd_pef_find_inliner_info _bfd_nosymbols_find_inliner_info |
29e1a6e4 NC |
45 | #define bfd_pef_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol |
46 | #define bfd_pef_read_minisymbols _bfd_generic_read_minisymbols | |
47 | #define bfd_pef_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
29e1a6e4 NC |
48 | #define bfd_pef_set_arch_mach _bfd_generic_set_arch_mach |
49 | #define bfd_pef_get_section_contents _bfd_generic_get_section_contents | |
50 | #define bfd_pef_set_section_contents _bfd_generic_set_section_contents | |
51 | #define bfd_pef_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents | |
52 | #define bfd_pef_bfd_relax_section bfd_generic_relax_section | |
53 | #define bfd_pef_bfd_gc_sections bfd_generic_gc_sections | |
ae17ab41 | 54 | #define bfd_pef_bfd_lookup_section_flags bfd_generic_lookup_section_flags |
29e1a6e4 | 55 | #define bfd_pef_bfd_merge_sections bfd_generic_merge_sections |
72adc230 | 56 | #define bfd_pef_bfd_is_group_section bfd_generic_is_group_section |
29e1a6e4 | 57 | #define bfd_pef_bfd_discard_group bfd_generic_discard_group |
116c20d2 | 58 | #define bfd_pef_section_already_linked _bfd_generic_section_already_linked |
3023e3f6 | 59 | #define bfd_pef_bfd_define_common_symbol bfd_generic_define_common_symbol |
29e1a6e4 NC |
60 | #define bfd_pef_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
61 | #define bfd_pef_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
62 | #define bfd_pef_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
63 | #define bfd_pef_bfd_link_just_syms _bfd_generic_link_just_syms | |
1338dd10 PB |
64 | #define bfd_pef_bfd_copy_link_hash_symbol_type \ |
65 | _bfd_generic_copy_link_hash_symbol_type | |
29e1a6e4 NC |
66 | #define bfd_pef_bfd_final_link _bfd_generic_final_link |
67 | #define bfd_pef_bfd_link_split_section _bfd_generic_link_split_section | |
68 | #define bfd_pef_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
69 | ||
3af9a47b | 70 | static int |
116c20d2 NC |
71 | bfd_pef_parse_traceback_table (bfd *abfd, |
72 | asection *section, | |
73 | unsigned char *buf, | |
74 | size_t len, | |
75 | size_t pos, | |
76 | asymbol *sym, | |
77 | FILE *file) | |
3af9a47b NC |
78 | { |
79 | struct traceback_table table; | |
80 | size_t offset; | |
81 | const char *s; | |
82 | asymbol tmpsymbol; | |
e84d6fca AM |
83 | |
84 | if (sym == NULL) | |
116c20d2 | 85 | sym = & tmpsymbol; |
3af9a47b NC |
86 | |
87 | sym->name = NULL; | |
88 | sym->value = 0; | |
89 | sym->the_bfd = abfd; | |
90 | sym->section = section; | |
91 | sym->flags = 0; | |
92 | sym->udata.i = 0; | |
93 | ||
29e1a6e4 | 94 | /* memcpy is fine since all fields are unsigned char. */ |
e84d6fca AM |
95 | if ((pos + 8) > len) |
96 | return -1; | |
3af9a47b | 97 | memcpy (&table, buf + pos, 8); |
3af9a47b | 98 | |
29e1a6e4 NC |
99 | /* Calling code relies on returned symbols having a name and |
100 | correct offset. */ | |
e84d6fca | 101 | if ((table.lang != TB_C) && (table.lang != TB_CPLUSPLUS)) |
3af9a47b | 102 | return -1; |
e84d6fca AM |
103 | |
104 | if (! (table.flags2 & TB_NAME_PRESENT)) | |
3af9a47b | 105 | return -1; |
e84d6fca | 106 | |
f904699a | 107 | if (! (table.flags1 & TB_HAS_TBOFF)) |
3af9a47b | 108 | return -1; |
3af9a47b NC |
109 | |
110 | offset = 8; | |
111 | ||
e84d6fca AM |
112 | if ((table.flags5 & TB_FLOATPARAMS) || (table.fixedparams)) |
113 | offset += 4; | |
3af9a47b | 114 | |
e84d6fca AM |
115 | if (table.flags1 & TB_HAS_TBOFF) |
116 | { | |
117 | struct traceback_table_tboff off; | |
3af9a47b | 118 | |
e84d6fca AM |
119 | if ((pos + offset + 4) > len) |
120 | return -1; | |
121 | off.tb_offset = bfd_getb32 (buf + pos + offset); | |
122 | offset += 4; | |
3af9a47b | 123 | |
29e1a6e4 NC |
124 | /* Need to subtract 4 because the offset includes the 0x0L |
125 | preceding the table. */ | |
e84d6fca AM |
126 | if (file != NULL) |
127 | fprintf (file, " [offset = 0x%lx]", off.tb_offset); | |
3af9a47b | 128 | |
e84d6fca AM |
129 | if ((file == NULL) && ((off.tb_offset + 4) > (pos + offset))) |
130 | return -1; | |
131 | ||
132 | sym->value = pos - off.tb_offset - 4; | |
3af9a47b | 133 | } |
3af9a47b | 134 | |
e84d6fca | 135 | if (table.flags2 & TB_INT_HNDL) |
3af9a47b | 136 | offset += 4; |
3af9a47b | 137 | |
e84d6fca AM |
138 | if (table.flags1 & TB_HAS_CTL) |
139 | { | |
140 | struct traceback_table_anchors anchors; | |
3af9a47b | 141 | |
e84d6fca AM |
142 | if ((pos + offset + 4) > len) |
143 | return -1; | |
144 | anchors.ctl_info = bfd_getb32 (buf + pos + offset); | |
145 | offset += 4; | |
3af9a47b | 146 | |
e84d6fca AM |
147 | if (anchors.ctl_info > 1024) |
148 | return -1; | |
3af9a47b | 149 | |
e84d6fca | 150 | offset += anchors.ctl_info * 4; |
3af9a47b NC |
151 | } |
152 | ||
e84d6fca AM |
153 | if (table.flags2 & TB_NAME_PRESENT) |
154 | { | |
155 | struct traceback_table_routine name; | |
156 | char *namebuf; | |
3af9a47b | 157 | |
e84d6fca AM |
158 | if ((pos + offset + 2) > len) |
159 | return -1; | |
160 | name.name_len = bfd_getb16 (buf + pos + offset); | |
161 | offset += 2; | |
3af9a47b | 162 | |
e84d6fca AM |
163 | if (name.name_len > 4096) |
164 | return -1; | |
3af9a47b | 165 | |
e84d6fca AM |
166 | if ((pos + offset + name.name_len) > len) |
167 | return -1; | |
3af9a47b | 168 | |
116c20d2 | 169 | namebuf = bfd_alloc (abfd, name.name_len + 1); |
e84d6fca AM |
170 | if (namebuf == NULL) |
171 | return -1; | |
3af9a47b | 172 | |
e84d6fca AM |
173 | memcpy (namebuf, buf + pos + offset, name.name_len); |
174 | namebuf[name.name_len] = '\0'; | |
3af9a47b | 175 | |
29e1a6e4 | 176 | /* Strip leading period inserted by compiler. */ |
e84d6fca AM |
177 | if (namebuf[0] == '.') |
178 | memmove (namebuf, namebuf + 1, name.name_len + 1); | |
3af9a47b | 179 | |
e84d6fca | 180 | sym->name = namebuf; |
3af9a47b | 181 | |
e84d6fca | 182 | for (s = sym->name; (*s != '\0'); s++) |
29e1a6e4 | 183 | if (! ISPRINT (*s)) |
e84d6fca | 184 | return -1; |
3af9a47b | 185 | |
e84d6fca | 186 | offset += name.name_len; |
3af9a47b NC |
187 | } |
188 | ||
e84d6fca | 189 | if (table.flags2 & TB_USES_ALLOCA) |
3af9a47b | 190 | offset += 4; |
3af9a47b | 191 | |
e84d6fca | 192 | if (table.flags4 & TB_HAS_VEC_INFO) |
3af9a47b | 193 | offset += 4; |
3af9a47b | 194 | |
e84d6fca | 195 | if (file != NULL) |
0af1713e | 196 | fprintf (file, " [length = 0x%lx]", (unsigned long) offset); |
e84d6fca | 197 | |
3af9a47b NC |
198 | return offset; |
199 | } | |
200 | ||
116c20d2 NC |
201 | static void |
202 | bfd_pef_print_symbol (bfd *abfd, | |
203 | void * afile, | |
204 | asymbol *symbol, | |
205 | bfd_print_symbol_type how) | |
206 | { | |
207 | FILE *file = (FILE *) afile; | |
208 | ||
209 | switch (how) | |
210 | { | |
211 | case bfd_print_symbol_name: | |
212 | fprintf (file, "%s", symbol->name); | |
213 | break; | |
214 | default: | |
215 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); | |
216 | fprintf (file, " %-5s %s", symbol->section->name, symbol->name); | |
0112cd26 | 217 | if (CONST_STRNEQ (symbol->name, "__traceback_")) |
116c20d2 NC |
218 | { |
219 | unsigned char *buf = alloca (symbol->udata.i); | |
220 | size_t offset = symbol->value + 4; | |
221 | size_t len = symbol->udata.i; | |
222 | int ret; | |
223 | ||
224 | bfd_get_section_contents (abfd, symbol->section, buf, offset, len); | |
225 | ret = bfd_pef_parse_traceback_table (abfd, symbol->section, buf, | |
226 | len, 0, NULL, file); | |
227 | if (ret < 0) | |
228 | fprintf (file, " [ERROR]"); | |
229 | } | |
230 | } | |
231 | } | |
232 | ||
233 | static void | |
234 | bfd_pef_convert_architecture (unsigned long architecture, | |
235 | enum bfd_architecture *type, | |
236 | unsigned long *subtype) | |
237 | { | |
238 | const unsigned long ARCH_POWERPC = 0x70777063; /* 'pwpc'. */ | |
239 | const unsigned long ARCH_M68K = 0x6d36386b; /* 'm68k'. */ | |
240 | ||
241 | *subtype = bfd_arch_unknown; | |
242 | *type = bfd_arch_unknown; | |
243 | ||
244 | if (architecture == ARCH_POWERPC) | |
245 | *type = bfd_arch_powerpc; | |
246 | else if (architecture == ARCH_M68K) | |
247 | *type = bfd_arch_m68k; | |
248 | } | |
249 | ||
250 | static bfd_boolean | |
251 | bfd_pef_mkobject (bfd *abfd ATTRIBUTE_UNUSED) | |
252 | { | |
253 | return TRUE; | |
254 | } | |
255 | ||
256 | static const char *bfd_pef_section_name (bfd_pef_section *section) | |
3af9a47b | 257 | { |
e84d6fca AM |
258 | switch (section->section_kind) |
259 | { | |
260 | case BFD_PEF_SECTION_CODE: return "code"; | |
261 | case BFD_PEF_SECTION_UNPACKED_DATA: return "unpacked-data"; | |
262 | case BFD_PEF_SECTION_PACKED_DATA: return "packed-data"; | |
263 | case BFD_PEF_SECTION_CONSTANT: return "constant"; | |
264 | case BFD_PEF_SECTION_LOADER: return "loader"; | |
265 | case BFD_PEF_SECTION_DEBUG: return "debug"; | |
266 | case BFD_PEF_SECTION_EXEC_DATA: return "exec-data"; | |
267 | case BFD_PEF_SECTION_EXCEPTION: return "exception"; | |
268 | case BFD_PEF_SECTION_TRACEBACK: return "traceback"; | |
269 | default: return "unknown"; | |
270 | } | |
3af9a47b NC |
271 | } |
272 | ||
116c20d2 | 273 | static unsigned long bfd_pef_section_flags (bfd_pef_section *section) |
3af9a47b | 274 | { |
e84d6fca AM |
275 | switch (section->section_kind) |
276 | { | |
277 | case BFD_PEF_SECTION_CODE: | |
278 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; | |
279 | case BFD_PEF_SECTION_UNPACKED_DATA: | |
280 | case BFD_PEF_SECTION_PACKED_DATA: | |
281 | case BFD_PEF_SECTION_CONSTANT: | |
282 | case BFD_PEF_SECTION_LOADER: | |
283 | case BFD_PEF_SECTION_DEBUG: | |
284 | case BFD_PEF_SECTION_EXEC_DATA: | |
285 | case BFD_PEF_SECTION_EXCEPTION: | |
286 | case BFD_PEF_SECTION_TRACEBACK: | |
287 | default: | |
288 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; | |
289 | } | |
3af9a47b NC |
290 | } |
291 | ||
292 | static asection * | |
116c20d2 | 293 | bfd_pef_make_bfd_section (bfd *abfd, bfd_pef_section *section) |
3af9a47b NC |
294 | { |
295 | asection *bfdsec; | |
296 | const char *name = bfd_pef_section_name (section); | |
297 | ||
298 | bfdsec = bfd_make_section_anyway (abfd, name); | |
e84d6fca AM |
299 | if (bfdsec == NULL) |
300 | return NULL; | |
301 | ||
3af9a47b NC |
302 | bfdsec->vma = section->default_address + section->container_offset; |
303 | bfdsec->lma = section->default_address + section->container_offset; | |
eea6121a | 304 | bfdsec->size = section->container_length; |
3af9a47b NC |
305 | bfdsec->filepos = section->container_offset; |
306 | bfdsec->alignment_power = section->alignment; | |
307 | ||
308 | bfdsec->flags = bfd_pef_section_flags (section); | |
309 | ||
310 | return bfdsec; | |
311 | } | |
312 | ||
116c20d2 NC |
313 | int |
314 | bfd_pef_parse_loader_header (bfd *abfd ATTRIBUTE_UNUSED, | |
315 | unsigned char *buf, | |
316 | size_t len, | |
317 | bfd_pef_loader_header *header) | |
3af9a47b NC |
318 | { |
319 | BFD_ASSERT (len == 56); | |
320 | ||
321 | header->main_section = bfd_getb32 (buf); | |
322 | header->main_offset = bfd_getb32 (buf + 4); | |
323 | header->init_section = bfd_getb32 (buf + 8); | |
324 | header->init_offset = bfd_getb32 (buf + 12); | |
325 | header->term_section = bfd_getb32 (buf + 16); | |
326 | header->term_offset = bfd_getb32 (buf + 20); | |
327 | header->imported_library_count = bfd_getb32 (buf + 24); | |
328 | header->total_imported_symbol_count = bfd_getb32 (buf + 28); | |
329 | header->reloc_section_count = bfd_getb32 (buf + 32); | |
330 | header->reloc_instr_offset = bfd_getb32 (buf + 36); | |
331 | header->loader_strings_offset = bfd_getb32 (buf + 40); | |
332 | header->export_hash_offset = bfd_getb32 (buf + 44); | |
333 | header->export_hash_table_power = bfd_getb32 (buf + 48); | |
334 | header->exported_symbol_count = bfd_getb32 (buf + 52); | |
335 | ||
336 | return 0; | |
337 | } | |
338 | ||
116c20d2 NC |
339 | int |
340 | bfd_pef_parse_imported_library (bfd *abfd ATTRIBUTE_UNUSED, | |
341 | unsigned char *buf, | |
342 | size_t len, | |
343 | bfd_pef_imported_library *header) | |
3af9a47b NC |
344 | { |
345 | BFD_ASSERT (len == 24); | |
346 | ||
347 | header->name_offset = bfd_getb32 (buf); | |
348 | header->old_implementation_version = bfd_getb32 (buf + 4); | |
349 | header->current_version = bfd_getb32 (buf + 8); | |
350 | header->imported_symbol_count = bfd_getb32 (buf + 12); | |
351 | header->first_imported_symbol = bfd_getb32 (buf + 16); | |
352 | header->options = buf[20]; | |
353 | header->reserved_a = buf[21]; | |
354 | header->reserved_b = bfd_getb16 (buf + 22); | |
355 | ||
356 | return 0; | |
357 | } | |
358 | ||
116c20d2 NC |
359 | int |
360 | bfd_pef_parse_imported_symbol (bfd *abfd ATTRIBUTE_UNUSED, | |
361 | unsigned char *buf, | |
362 | size_t len, | |
363 | bfd_pef_imported_symbol *symbol) | |
3af9a47b NC |
364 | { |
365 | unsigned long value; | |
366 | ||
367 | BFD_ASSERT (len == 4); | |
368 | ||
369 | value = bfd_getb32 (buf); | |
96d56e9f | 370 | symbol->symbol_class = value >> 24; |
3af9a47b NC |
371 | symbol->name = value & 0x00ffffff; |
372 | ||
373 | return 0; | |
374 | } | |
375 | ||
116c20d2 NC |
376 | int |
377 | bfd_pef_scan_section (bfd *abfd, bfd_pef_section *section) | |
3af9a47b NC |
378 | { |
379 | unsigned char buf[28]; | |
e84d6fca | 380 | |
3af9a47b | 381 | bfd_seek (abfd, section->header_offset, SEEK_SET); |
116c20d2 | 382 | if (bfd_bread ((void *) buf, 28, abfd) != 28) |
e84d6fca | 383 | return -1; |
3af9a47b NC |
384 | |
385 | section->name_offset = bfd_h_get_32 (abfd, buf); | |
386 | section->default_address = bfd_h_get_32 (abfd, buf + 4); | |
387 | section->total_length = bfd_h_get_32 (abfd, buf + 8); | |
388 | section->unpacked_length = bfd_h_get_32 (abfd, buf + 12); | |
389 | section->container_length = bfd_h_get_32 (abfd, buf + 16); | |
390 | section->container_offset = bfd_h_get_32 (abfd, buf + 20); | |
391 | section->section_kind = buf[24]; | |
392 | section->share_kind = buf[25]; | |
393 | section->alignment = buf[26]; | |
394 | section->reserved = buf[27]; | |
395 | ||
396 | section->bfd_section = bfd_pef_make_bfd_section (abfd, section); | |
e84d6fca AM |
397 | if (section->bfd_section == NULL) |
398 | return -1; | |
3af9a47b NC |
399 | |
400 | return 0; | |
401 | } | |
402 | ||
403 | void | |
116c20d2 NC |
404 | bfd_pef_print_loader_header (bfd *abfd ATTRIBUTE_UNUSED, |
405 | bfd_pef_loader_header *header, | |
406 | FILE *file) | |
3af9a47b NC |
407 | { |
408 | fprintf (file, "main_section: %ld\n", header->main_section); | |
409 | fprintf (file, "main_offset: %lu\n", header->main_offset); | |
410 | fprintf (file, "init_section: %ld\n", header->init_section); | |
411 | fprintf (file, "init_offset: %lu\n", header->init_offset); | |
412 | fprintf (file, "term_section: %ld\n", header->term_section); | |
413 | fprintf (file, "term_offset: %lu\n", header->term_offset); | |
e84d6fca AM |
414 | fprintf (file, "imported_library_count: %lu\n", |
415 | header->imported_library_count); | |
416 | fprintf (file, "total_imported_symbol_count: %lu\n", | |
417 | header->total_imported_symbol_count); | |
3af9a47b NC |
418 | fprintf (file, "reloc_section_count: %lu\n", header->reloc_section_count); |
419 | fprintf (file, "reloc_instr_offset: %lu\n", header->reloc_instr_offset); | |
e84d6fca AM |
420 | fprintf (file, "loader_strings_offset: %lu\n", |
421 | header->loader_strings_offset); | |
3af9a47b | 422 | fprintf (file, "export_hash_offset: %lu\n", header->export_hash_offset); |
e84d6fca AM |
423 | fprintf (file, "export_hash_table_power: %lu\n", |
424 | header->export_hash_table_power); | |
425 | fprintf (file, "exported_symbol_count: %lu\n", | |
426 | header->exported_symbol_count); | |
3af9a47b NC |
427 | } |
428 | ||
429 | int | |
116c20d2 | 430 | bfd_pef_print_loader_section (bfd *abfd, FILE *file) |
3af9a47b NC |
431 | { |
432 | bfd_pef_loader_header header; | |
433 | asection *loadersec = NULL; | |
434 | unsigned char *loaderbuf = NULL; | |
435 | size_t loaderlen = 0; | |
3af9a47b NC |
436 | |
437 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
e84d6fca AM |
438 | if (loadersec == NULL) |
439 | return -1; | |
440 | ||
eea6121a | 441 | loaderlen = loadersec->size; |
116c20d2 | 442 | loaderbuf = bfd_malloc (loaderlen); |
3af9a47b | 443 | |
116c20d2 NC |
444 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0 |
445 | || bfd_bread ((void *) loaderbuf, loaderlen, abfd) != loaderlen | |
446 | || loaderlen < 56 | |
447 | || bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header) < 0) | |
e84d6fca AM |
448 | { |
449 | free (loaderbuf); | |
450 | return -1; | |
451 | } | |
3af9a47b NC |
452 | |
453 | bfd_pef_print_loader_header (abfd, &header, file); | |
454 | return 0; | |
455 | } | |
456 | ||
457 | int | |
116c20d2 | 458 | bfd_pef_scan_start_address (bfd *abfd) |
3af9a47b NC |
459 | { |
460 | bfd_pef_loader_header header; | |
461 | asection *section; | |
462 | ||
463 | asection *loadersec = NULL; | |
464 | unsigned char *loaderbuf = NULL; | |
465 | size_t loaderlen = 0; | |
466 | int ret; | |
467 | ||
468 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
e84d6fca AM |
469 | if (loadersec == NULL) |
470 | goto end; | |
471 | ||
eea6121a | 472 | loaderlen = loadersec->size; |
116c20d2 | 473 | loaderbuf = bfd_malloc (loaderlen); |
e84d6fca AM |
474 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
475 | goto error; | |
116c20d2 | 476 | if (bfd_bread ((void *) loaderbuf, loaderlen, abfd) != loaderlen) |
e84d6fca | 477 | goto error; |
3af9a47b | 478 | |
e84d6fca AM |
479 | if (loaderlen < 56) |
480 | goto error; | |
3af9a47b | 481 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); |
e84d6fca AM |
482 | if (ret < 0) |
483 | goto error; | |
484 | ||
485 | if (header.main_section < 0) | |
486 | goto end; | |
487 | ||
488 | for (section = abfd->sections; section != NULL; section = section->next) | |
489 | if ((section->index + 1) == header.main_section) | |
490 | break; | |
3af9a47b | 491 | |
e84d6fca AM |
492 | if (section == NULL) |
493 | goto error; | |
3af9a47b | 494 | |
3af9a47b NC |
495 | abfd->start_address = section->vma + header.main_offset; |
496 | ||
497 | end: | |
e84d6fca AM |
498 | if (loaderbuf != NULL) |
499 | free (loaderbuf); | |
3af9a47b NC |
500 | return 0; |
501 | ||
502 | error: | |
e84d6fca AM |
503 | if (loaderbuf != NULL) |
504 | free (loaderbuf); | |
3af9a47b NC |
505 | return -1; |
506 | } | |
507 | ||
508 | int | |
2c3fc389 NC |
509 | bfd_pef_scan (bfd *abfd, |
510 | bfd_pef_header *header, | |
511 | bfd_pef_data_struct *mdata) | |
3af9a47b NC |
512 | { |
513 | unsigned int i; | |
3af9a47b NC |
514 | enum bfd_architecture cputype; |
515 | unsigned long cpusubtype; | |
516 | ||
e84d6fca | 517 | mdata->header = *header; |
3af9a47b | 518 | |
3af9a47b | 519 | bfd_pef_convert_architecture (header->architecture, &cputype, &cpusubtype); |
e84d6fca AM |
520 | if (cputype == bfd_arch_unknown) |
521 | { | |
4a97a0e5 AM |
522 | (*_bfd_error_handler) (_("bfd_pef_scan: unknown architecture 0x%lx"), |
523 | header->architecture); | |
e84d6fca AM |
524 | return -1; |
525 | } | |
3af9a47b NC |
526 | bfd_set_arch_mach (abfd, cputype, cpusubtype); |
527 | ||
528 | mdata->header = *header; | |
529 | ||
e84d6fca AM |
530 | abfd->flags = (abfd->xvec->object_flags |
531 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b | 532 | |
e84d6fca AM |
533 | if (header->section_count != 0) |
534 | { | |
116c20d2 | 535 | mdata->sections = bfd_alloc (abfd, header->section_count * sizeof (bfd_pef_section)); |
3af9a47b | 536 | |
e84d6fca | 537 | if (mdata->sections == NULL) |
3af9a47b | 538 | return -1; |
e84d6fca AM |
539 | |
540 | for (i = 0; i < header->section_count; i++) | |
541 | { | |
542 | bfd_pef_section *cur = &mdata->sections[i]; | |
543 | cur->header_offset = 40 + (i * 28); | |
544 | if (bfd_pef_scan_section (abfd, cur) < 0) | |
545 | return -1; | |
546 | } | |
3af9a47b | 547 | } |
3af9a47b | 548 | |
e84d6fca | 549 | if (bfd_pef_scan_start_address (abfd) < 0) |
5ff625e9 | 550 | return -1; |
3af9a47b NC |
551 | |
552 | abfd->tdata.pef_data = mdata; | |
553 | ||
554 | return 0; | |
555 | } | |
556 | ||
557 | static int | |
116c20d2 | 558 | bfd_pef_read_header (bfd *abfd, bfd_pef_header *header) |
3af9a47b NC |
559 | { |
560 | unsigned char buf[40]; | |
561 | ||
562 | bfd_seek (abfd, 0, SEEK_SET); | |
563 | ||
116c20d2 | 564 | if (bfd_bread ((void *) buf, 40, abfd) != 40) |
e84d6fca | 565 | return -1; |
3af9a47b NC |
566 | |
567 | header->tag1 = bfd_getb32 (buf); | |
568 | header->tag2 = bfd_getb32 (buf + 4); | |
569 | header->architecture = bfd_getb32 (buf + 8); | |
570 | header->format_version = bfd_getb32 (buf + 12); | |
571 | header->timestamp = bfd_getb32 (buf + 16); | |
572 | header->old_definition_version = bfd_getb32 (buf + 20); | |
573 | header->old_implementation_version = bfd_getb32 (buf + 24); | |
574 | header->current_version = bfd_getb32 (buf + 28); | |
575 | header->section_count = bfd_getb32 (buf + 32) + 1; | |
576 | header->instantiated_section_count = bfd_getb32 (buf + 34); | |
577 | header->reserved = bfd_getb32 (buf + 36); | |
578 | ||
579 | return 0; | |
580 | } | |
581 | ||
582 | static const bfd_target * | |
116c20d2 | 583 | bfd_pef_object_p (bfd *abfd) |
3af9a47b NC |
584 | { |
585 | bfd_pef_header header; | |
c9ba0c87 | 586 | bfd_pef_data_struct *mdata; |
3af9a47b | 587 | |
e84d6fca AM |
588 | if (bfd_pef_read_header (abfd, &header) != 0) |
589 | goto wrong; | |
3af9a47b | 590 | |
e84d6fca AM |
591 | if (header.tag1 != BFD_PEF_TAG1 || header.tag2 != BFD_PEF_TAG2) |
592 | goto wrong; | |
593 | ||
c9ba0c87 AM |
594 | mdata = (bfd_pef_data_struct *) bfd_zalloc (abfd, sizeof (*mdata)); |
595 | if (mdata == NULL) | |
e84d6fca | 596 | goto fail; |
3af9a47b | 597 | |
c9ba0c87 | 598 | if (bfd_pef_scan (abfd, &header, mdata)) |
e84d6fca AM |
599 | goto wrong; |
600 | ||
3af9a47b | 601 | return abfd->xvec; |
e84d6fca AM |
602 | |
603 | wrong: | |
604 | bfd_set_error (bfd_error_wrong_format); | |
605 | ||
606 | fail: | |
e84d6fca | 607 | return NULL; |
3af9a47b NC |
608 | } |
609 | ||
116c20d2 NC |
610 | static int |
611 | bfd_pef_parse_traceback_tables (bfd *abfd, | |
612 | asection *sec, | |
613 | unsigned char *buf, | |
614 | size_t len, | |
615 | long *nsym, | |
616 | asymbol **csym) | |
3af9a47b NC |
617 | { |
618 | char *name; | |
619 | ||
620 | asymbol function; | |
621 | asymbol traceback; | |
622 | ||
623 | const char *const tbprefix = "__traceback_"; | |
624 | size_t tbnamelen; | |
625 | ||
626 | size_t pos = 0; | |
627 | unsigned long count = 0; | |
628 | int ret; | |
629 | ||
e84d6fca AM |
630 | for (;;) |
631 | { | |
29e1a6e4 | 632 | /* We're reading symbols two at a time. */ |
e84d6fca AM |
633 | if (csym && ((csym[count] == NULL) || (csym[count + 1] == NULL))) |
634 | break; | |
3af9a47b | 635 | |
e84d6fca AM |
636 | pos += 3; |
637 | pos -= (pos % 4); | |
3af9a47b | 638 | |
e84d6fca AM |
639 | while ((pos + 4) <= len) |
640 | { | |
641 | if (bfd_getb32 (buf + pos) == 0) | |
642 | break; | |
643 | pos += 4; | |
644 | } | |
3af9a47b | 645 | |
e84d6fca AM |
646 | if ((pos + 4) > len) |
647 | break; | |
3af9a47b | 648 | |
e84d6fca AM |
649 | ret = bfd_pef_parse_traceback_table (abfd, sec, buf, len, pos + 4, |
650 | &function, 0); | |
651 | if (ret < 0) | |
652 | { | |
29e1a6e4 | 653 | /* Skip over 0x0L to advance to next possible traceback table. */ |
e84d6fca AM |
654 | pos += 4; |
655 | continue; | |
656 | } | |
3af9a47b | 657 | |
e84d6fca AM |
658 | BFD_ASSERT (function.name != NULL); |
659 | ||
660 | /* Don't bother to compute the name if we are just | |
29e1a6e4 | 661 | counting symbols. */ |
e84d6fca AM |
662 | if (csym) |
663 | { | |
664 | tbnamelen = strlen (tbprefix) + strlen (function.name); | |
665 | name = bfd_alloc (abfd, tbnamelen + 1); | |
666 | if (name == NULL) | |
667 | { | |
116c20d2 | 668 | bfd_release (abfd, (void *) function.name); |
e84d6fca AM |
669 | function.name = NULL; |
670 | break; | |
671 | } | |
672 | snprintf (name, tbnamelen + 1, "%s%s", tbprefix, function.name); | |
673 | traceback.name = name; | |
674 | traceback.value = pos; | |
675 | traceback.the_bfd = abfd; | |
676 | traceback.section = sec; | |
677 | traceback.flags = 0; | |
678 | traceback.udata.i = ret; | |
679 | ||
680 | *(csym[count]) = function; | |
681 | *(csym[count + 1]) = traceback; | |
3af9a47b | 682 | } |
3af9a47b | 683 | |
e84d6fca AM |
684 | pos += ret; |
685 | count += 2; | |
686 | } | |
3af9a47b NC |
687 | |
688 | *nsym = count; | |
689 | return 0; | |
690 | } | |
691 | ||
116c20d2 NC |
692 | static int |
693 | bfd_pef_parse_function_stub (bfd *abfd ATTRIBUTE_UNUSED, | |
694 | unsigned char *buf, | |
695 | size_t len, | |
696 | unsigned long *offset) | |
3af9a47b NC |
697 | { |
698 | BFD_ASSERT (len == 24); | |
699 | ||
e84d6fca AM |
700 | if ((bfd_getb32 (buf) & 0xffff0000) != 0x81820000) |
701 | return -1; | |
702 | if (bfd_getb32 (buf + 4) != 0x90410014) | |
703 | return -1; | |
704 | if (bfd_getb32 (buf + 8) != 0x800c0000) | |
705 | return -1; | |
706 | if (bfd_getb32 (buf + 12) != 0x804c0004) | |
707 | return -1; | |
708 | if (bfd_getb32 (buf + 16) != 0x7c0903a6) | |
709 | return -1; | |
710 | if (bfd_getb32 (buf + 20) != 0x4e800420) | |
711 | return -1; | |
712 | ||
713 | if (offset != NULL) | |
3af9a47b | 714 | *offset = (bfd_getb32 (buf) & 0x0000ffff) / 4; |
3af9a47b NC |
715 | |
716 | return 0; | |
717 | } | |
718 | ||
116c20d2 NC |
719 | static int |
720 | bfd_pef_parse_function_stubs (bfd *abfd, | |
721 | asection *codesec, | |
722 | unsigned char *codebuf, | |
723 | size_t codelen, | |
724 | unsigned char *loaderbuf, | |
725 | size_t loaderlen, | |
726 | unsigned long *nsym, | |
727 | asymbol **csym) | |
3af9a47b NC |
728 | { |
729 | const char *const sprefix = "__stub_"; | |
3af9a47b NC |
730 | size_t codepos = 0; |
731 | unsigned long count = 0; | |
3af9a47b NC |
732 | bfd_pef_loader_header header; |
733 | bfd_pef_imported_library *libraries = NULL; | |
734 | bfd_pef_imported_symbol *imports = NULL; | |
3af9a47b NC |
735 | unsigned long i; |
736 | int ret; | |
737 | ||
e84d6fca AM |
738 | if (loaderlen < 56) |
739 | goto error; | |
3af9a47b NC |
740 | |
741 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); | |
e84d6fca AM |
742 | if (ret < 0) |
743 | goto error; | |
3af9a47b | 744 | |
116c20d2 | 745 | libraries = bfd_malloc |
3af9a47b | 746 | (header.imported_library_count * sizeof (bfd_pef_imported_library)); |
116c20d2 | 747 | imports = bfd_malloc |
3af9a47b | 748 | (header.total_imported_symbol_count * sizeof (bfd_pef_imported_symbol)); |
e84d6fca AM |
749 | |
750 | if (loaderlen < (56 + (header.imported_library_count * 24))) | |
751 | goto error; | |
752 | for (i = 0; i < header.imported_library_count; i++) | |
753 | { | |
754 | ret = bfd_pef_parse_imported_library | |
755 | (abfd, loaderbuf + 56 + (i * 24), 24, &libraries[i]); | |
756 | if (ret < 0) | |
757 | goto error; | |
758 | } | |
759 | ||
760 | if (loaderlen < (56 + (header.imported_library_count * 24) | |
761 | + (header.total_imported_symbol_count * 4))) | |
762 | goto error; | |
763 | for (i = 0; i < header.total_imported_symbol_count; i++) | |
764 | { | |
765 | ret = (bfd_pef_parse_imported_symbol | |
766 | (abfd, | |
767 | loaderbuf + 56 + (header.imported_library_count * 24) + (i * 4), | |
768 | 4, &imports[i])); | |
769 | if (ret < 0) | |
770 | goto error; | |
771 | } | |
772 | ||
3af9a47b NC |
773 | codepos = 0; |
774 | ||
e84d6fca AM |
775 | for (;;) |
776 | { | |
777 | asymbol sym; | |
778 | const char *symname; | |
779 | char *name; | |
91d6fa6a | 780 | unsigned long sym_index; |
3af9a47b | 781 | |
e84d6fca AM |
782 | if (csym && (csym[count] == NULL)) |
783 | break; | |
3af9a47b | 784 | |
e84d6fca AM |
785 | codepos += 3; |
786 | codepos -= (codepos % 4); | |
3af9a47b | 787 | |
e84d6fca AM |
788 | while ((codepos + 4) <= codelen) |
789 | { | |
790 | if ((bfd_getb32 (codebuf + codepos) & 0xffff0000) == 0x81820000) | |
791 | break; | |
792 | codepos += 4; | |
793 | } | |
3af9a47b | 794 | |
e84d6fca | 795 | if ((codepos + 4) > codelen) |
3af9a47b | 796 | break; |
3af9a47b | 797 | |
91d6fa6a | 798 | ret = bfd_pef_parse_function_stub (abfd, codebuf + codepos, 24, &sym_index); |
e84d6fca AM |
799 | if (ret < 0) |
800 | { | |
801 | codepos += 24; | |
802 | continue; | |
803 | } | |
3af9a47b | 804 | |
91d6fa6a | 805 | if (sym_index >= header.total_imported_symbol_count) |
e84d6fca AM |
806 | { |
807 | codepos += 24; | |
808 | continue; | |
809 | } | |
3af9a47b | 810 | |
e84d6fca AM |
811 | { |
812 | size_t max, namelen; | |
813 | const char *s; | |
814 | ||
91d6fa6a | 815 | if (loaderlen < (header.loader_strings_offset + imports[sym_index].name)) |
e84d6fca AM |
816 | goto error; |
817 | ||
91d6fa6a | 818 | max = loaderlen - (header.loader_strings_offset + imports[sym_index].name); |
f075ee0c | 819 | symname = (char *) loaderbuf; |
91d6fa6a | 820 | symname += header.loader_strings_offset + imports[sym_index].name; |
e84d6fca AM |
821 | namelen = 0; |
822 | for (s = symname; s < (symname + max); s++) | |
823 | { | |
824 | if (*s == '\0') | |
825 | break; | |
29e1a6e4 | 826 | if (! ISPRINT (*s)) |
e84d6fca AM |
827 | goto error; |
828 | namelen++; | |
829 | } | |
830 | if (*s != '\0') | |
831 | goto error; | |
832 | ||
833 | name = bfd_alloc (abfd, strlen (sprefix) + namelen + 1); | |
834 | if (name == NULL) | |
835 | break; | |
3af9a47b | 836 | |
e84d6fca AM |
837 | snprintf (name, strlen (sprefix) + namelen + 1, "%s%s", |
838 | sprefix, symname); | |
839 | sym.name = name; | |
840 | } | |
3af9a47b | 841 | |
e84d6fca AM |
842 | sym.value = codepos; |
843 | sym.the_bfd = abfd; | |
844 | sym.section = codesec; | |
845 | sym.flags = 0; | |
846 | sym.udata.i = 0; | |
3af9a47b | 847 | |
e84d6fca | 848 | codepos += 24; |
3af9a47b | 849 | |
e84d6fca AM |
850 | if (csym != NULL) |
851 | *(csym[count]) = sym; | |
3af9a47b | 852 | |
e84d6fca | 853 | count++; |
3af9a47b | 854 | } |
3af9a47b NC |
855 | |
856 | goto end; | |
857 | ||
858 | end: | |
e84d6fca AM |
859 | if (libraries != NULL) |
860 | free (libraries); | |
861 | if (imports != NULL) | |
862 | free (imports); | |
3af9a47b NC |
863 | *nsym = count; |
864 | return 0; | |
865 | ||
866 | error: | |
e84d6fca AM |
867 | if (libraries != NULL) |
868 | free (libraries); | |
869 | if (imports != NULL) | |
870 | free (imports); | |
3af9a47b NC |
871 | *nsym = count; |
872 | return -1; | |
e84d6fca | 873 | } |
3af9a47b | 874 | |
116c20d2 NC |
875 | static long |
876 | bfd_pef_parse_symbols (bfd *abfd, asymbol **csym) | |
3af9a47b NC |
877 | { |
878 | unsigned long count = 0; | |
879 | ||
880 | asection *codesec = NULL; | |
881 | unsigned char *codebuf = NULL; | |
882 | size_t codelen = 0; | |
883 | ||
884 | asection *loadersec = NULL; | |
885 | unsigned char *loaderbuf = NULL; | |
886 | size_t loaderlen = 0; | |
887 | ||
888 | codesec = bfd_get_section_by_name (abfd, "code"); | |
889 | if (codesec != NULL) | |
890 | { | |
eea6121a | 891 | codelen = codesec->size; |
116c20d2 | 892 | codebuf = bfd_malloc (codelen); |
e84d6fca AM |
893 | if (bfd_seek (abfd, codesec->filepos, SEEK_SET) < 0) |
894 | goto end; | |
116c20d2 | 895 | if (bfd_bread ((void *) codebuf, codelen, abfd) != codelen) |
e84d6fca | 896 | goto end; |
3af9a47b NC |
897 | } |
898 | ||
899 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
900 | if (loadersec != NULL) | |
901 | { | |
eea6121a | 902 | loaderlen = loadersec->size; |
116c20d2 | 903 | loaderbuf = bfd_malloc (loaderlen); |
e84d6fca AM |
904 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
905 | goto end; | |
116c20d2 | 906 | if (bfd_bread ((void *) loaderbuf, loaderlen, abfd) != loaderlen) |
e84d6fca | 907 | goto end; |
3af9a47b | 908 | } |
e84d6fca | 909 | |
3af9a47b NC |
910 | count = 0; |
911 | if (codesec != NULL) | |
912 | { | |
f075ee0c | 913 | long ncount = 0; |
e84d6fca AM |
914 | bfd_pef_parse_traceback_tables (abfd, codesec, codebuf, codelen, |
915 | &ncount, csym); | |
3af9a47b NC |
916 | count += ncount; |
917 | } | |
918 | ||
919 | if ((codesec != NULL) && (loadersec != NULL)) | |
920 | { | |
921 | unsigned long ncount = 0; | |
922 | bfd_pef_parse_function_stubs | |
923 | (abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, &ncount, | |
924 | (csym != NULL) ? (csym + count) : NULL); | |
925 | count += ncount; | |
926 | } | |
e84d6fca AM |
927 | |
928 | if (csym != NULL) | |
3af9a47b | 929 | csym[count] = NULL; |
e84d6fca | 930 | |
3af9a47b | 931 | end: |
e84d6fca | 932 | if (codebuf != NULL) |
3af9a47b NC |
933 | free (codebuf); |
934 | ||
e84d6fca AM |
935 | if (loaderbuf != NULL) |
936 | free (loaderbuf); | |
937 | ||
3af9a47b NC |
938 | return count; |
939 | } | |
940 | ||
941 | static long | |
116c20d2 | 942 | bfd_pef_count_symbols (bfd *abfd) |
3af9a47b NC |
943 | { |
944 | return bfd_pef_parse_symbols (abfd, NULL); | |
945 | } | |
946 | ||
947 | static long | |
116c20d2 | 948 | bfd_pef_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
949 | { |
950 | long nsyms = bfd_pef_count_symbols (abfd); | |
116c20d2 | 951 | |
e84d6fca AM |
952 | if (nsyms < 0) |
953 | return nsyms; | |
3af9a47b NC |
954 | return ((nsyms + 1) * sizeof (asymbol *)); |
955 | } | |
956 | ||
957 | static long | |
116c20d2 | 958 | bfd_pef_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b NC |
959 | { |
960 | long i; | |
961 | asymbol *syms; | |
962 | long ret; | |
3af9a47b | 963 | long nsyms = bfd_pef_count_symbols (abfd); |
116c20d2 | 964 | |
e84d6fca AM |
965 | if (nsyms < 0) |
966 | return nsyms; | |
3af9a47b NC |
967 | |
968 | syms = bfd_alloc (abfd, nsyms * sizeof (asymbol)); | |
e84d6fca AM |
969 | if (syms == NULL) |
970 | return -1; | |
3af9a47b | 971 | |
e84d6fca | 972 | for (i = 0; i < nsyms; i++) |
3af9a47b | 973 | alocation[i] = &syms[i]; |
e84d6fca | 974 | |
3af9a47b NC |
975 | alocation[nsyms] = NULL; |
976 | ||
977 | ret = bfd_pef_parse_symbols (abfd, alocation); | |
e84d6fca | 978 | if (ret != nsyms) |
3af9a47b | 979 | return 0; |
3af9a47b NC |
980 | |
981 | return ret; | |
982 | } | |
983 | ||
833fb04e | 984 | #define bfd_pef_make_empty_symbol _bfd_generic_make_empty_symbol |
3af9a47b NC |
985 | |
986 | static void | |
116c20d2 NC |
987 | bfd_pef_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
988 | asymbol *symbol, | |
989 | symbol_info *ret) | |
3af9a47b NC |
990 | { |
991 | bfd_symbol_info (symbol, ret); | |
992 | } | |
993 | ||
994 | static int | |
a6b96beb AM |
995 | bfd_pef_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, |
996 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
3af9a47b NC |
997 | { |
998 | return 0; | |
999 | } | |
1000 | ||
1001 | const bfd_target pef_vec = | |
1002 | { | |
116c20d2 NC |
1003 | "pef", /* Name. */ |
1004 | bfd_target_pef_flavour, /* Flavour. */ | |
1005 | BFD_ENDIAN_BIG, /* Byteorder. */ | |
1006 | BFD_ENDIAN_BIG, /* Header_byteorder. */ | |
1007 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
3af9a47b NC |
1008 | HAS_LINENO | HAS_DEBUG | |
1009 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1010 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
116c20d2 NC |
1011 | | SEC_ROM | SEC_HAS_CONTENTS), /* Section_flags. */ |
1012 | 0, /* Symbol_leading_char. */ | |
1013 | ' ', /* AR_pad_char. */ | |
1014 | 16, /* AR_max_namelen. */ | |
0aabe54e | 1015 | 0, /* match priority. */ |
3af9a47b NC |
1016 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
1017 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 1018 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
3af9a47b NC |
1019 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
1020 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 NC |
1021 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
1022 | { /* bfd_check_format. */ | |
3af9a47b | 1023 | _bfd_dummy_target, |
116c20d2 | 1024 | bfd_pef_object_p, /* bfd_check_format. */ |
3af9a47b NC |
1025 | _bfd_dummy_target, |
1026 | _bfd_dummy_target, | |
1027 | }, | |
116c20d2 | 1028 | { /* bfd_set_format. */ |
3af9a47b NC |
1029 | bfd_false, |
1030 | bfd_pef_mkobject, | |
1031 | bfd_false, | |
1032 | bfd_false, | |
1033 | }, | |
116c20d2 | 1034 | { /* bfd_write_contents. */ |
3af9a47b NC |
1035 | bfd_false, |
1036 | bfd_true, | |
1037 | bfd_false, | |
1038 | bfd_false, | |
1039 | }, | |
1040 | ||
1041 | BFD_JUMP_TABLE_GENERIC (bfd_pef), | |
1042 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1043 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1044 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1045 | BFD_JUMP_TABLE_SYMBOLS (bfd_pef), | |
72f6ea61 | 1046 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), |
3af9a47b NC |
1047 | BFD_JUMP_TABLE_WRITE (bfd_pef), |
1048 | BFD_JUMP_TABLE_LINK (bfd_pef), | |
1049 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1050 | ||
1051 | NULL, | |
e84d6fca | 1052 | |
3af9a47b NC |
1053 | NULL |
1054 | }; | |
1055 | ||
116c20d2 NC |
1056 | #define bfd_pef_xlib_close_and_cleanup _bfd_generic_close_and_cleanup |
1057 | #define bfd_pef_xlib_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
1058 | #define bfd_pef_xlib_new_section_hook _bfd_generic_new_section_hook | |
1059 | #define bfd_pef_xlib_get_section_contents _bfd_generic_get_section_contents | |
1060 | #define bfd_pef_xlib_set_section_contents _bfd_generic_set_section_contents | |
3af9a47b NC |
1061 | #define bfd_pef_xlib_get_section_contents_in_window _bfd_generic_get_section_contents_in_window |
1062 | #define bfd_pef_xlib_set_section_contents_in_window _bfd_generic_set_section_contents_in_window | |
1063 | ||
1064 | static int | |
116c20d2 | 1065 | bfd_pef_xlib_read_header (bfd *abfd, bfd_pef_xlib_header *header) |
3af9a47b | 1066 | { |
044387af | 1067 | unsigned char buf[80]; |
3af9a47b NC |
1068 | |
1069 | bfd_seek (abfd, 0, SEEK_SET); | |
1070 | ||
044387af | 1071 | if (bfd_bread ((void *) buf, sizeof buf, abfd) != sizeof buf) |
e84d6fca | 1072 | return -1; |
3af9a47b NC |
1073 | |
1074 | header->tag1 = bfd_getb32 (buf); | |
1075 | header->tag2 = bfd_getb32 (buf + 4); | |
1076 | header->current_format = bfd_getb32 (buf + 8); | |
1077 | header->container_strings_offset = bfd_getb32 (buf + 12); | |
1078 | header->export_hash_offset = bfd_getb32 (buf + 16); | |
1079 | header->export_key_offset = bfd_getb32 (buf + 20); | |
1080 | header->export_symbol_offset = bfd_getb32 (buf + 24); | |
1081 | header->export_names_offset = bfd_getb32 (buf + 28); | |
1082 | header->export_hash_table_power = bfd_getb32 (buf + 32); | |
1083 | header->exported_symbol_count = bfd_getb32 (buf + 36); | |
1084 | header->frag_name_offset = bfd_getb32 (buf + 40); | |
1085 | header->frag_name_length = bfd_getb32 (buf + 44); | |
1086 | header->dylib_path_offset = bfd_getb32 (buf + 48); | |
1087 | header->dylib_path_length = bfd_getb32 (buf + 52); | |
1088 | header->cpu_family = bfd_getb32 (buf + 56); | |
1089 | header->cpu_model = bfd_getb32 (buf + 60); | |
1090 | header->date_time_stamp = bfd_getb32 (buf + 64); | |
1091 | header->current_version = bfd_getb32 (buf + 68); | |
1092 | header->old_definition_version = bfd_getb32 (buf + 72); | |
1093 | header->old_implementation_version = bfd_getb32 (buf + 76); | |
1094 | ||
1095 | return 0; | |
1096 | } | |
1097 | ||
116c20d2 NC |
1098 | static int |
1099 | bfd_pef_xlib_scan (bfd *abfd, bfd_pef_xlib_header *header) | |
3af9a47b NC |
1100 | { |
1101 | bfd_pef_xlib_data_struct *mdata = NULL; | |
1102 | ||
116c20d2 | 1103 | mdata = bfd_alloc (abfd, sizeof (* mdata)); |
e84d6fca | 1104 | if (mdata == NULL) |
3af9a47b | 1105 | return -1; |
3af9a47b | 1106 | |
3af9a47b NC |
1107 | mdata->header = *header; |
1108 | ||
e84d6fca AM |
1109 | abfd->flags = (abfd->xvec->object_flags |
1110 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b NC |
1111 | |
1112 | abfd->tdata.pef_xlib_data = mdata; | |
1113 | ||
1114 | return 0; | |
1115 | } | |
1116 | ||
1117 | static const bfd_target * | |
116c20d2 | 1118 | bfd_pef_xlib_object_p (bfd *abfd) |
3af9a47b NC |
1119 | { |
1120 | bfd_pef_xlib_header header; | |
3af9a47b | 1121 | |
e84d6fca AM |
1122 | if (bfd_pef_xlib_read_header (abfd, &header) != 0) |
1123 | { | |
1124 | bfd_set_error (bfd_error_wrong_format); | |
1125 | return NULL; | |
1126 | } | |
3af9a47b | 1127 | |
e84d6fca AM |
1128 | if ((header.tag1 != BFD_PEF_XLIB_TAG1) |
1129 | || ((header.tag2 != BFD_PEF_VLIB_TAG2) | |
1130 | && (header.tag2 != BFD_PEF_BLIB_TAG2))) | |
1131 | { | |
1132 | bfd_set_error (bfd_error_wrong_format); | |
1133 | return NULL; | |
1134 | } | |
3af9a47b | 1135 | |
e84d6fca AM |
1136 | if (bfd_pef_xlib_scan (abfd, &header) != 0) |
1137 | { | |
e84d6fca AM |
1138 | bfd_set_error (bfd_error_wrong_format); |
1139 | return NULL; | |
1140 | } | |
1141 | ||
3af9a47b NC |
1142 | return abfd->xvec; |
1143 | } | |
1144 | ||
1145 | const bfd_target pef_xlib_vec = | |
1146 | { | |
116c20d2 NC |
1147 | "pef-xlib", /* Name. */ |
1148 | bfd_target_pef_xlib_flavour, /* Flavour. */ | |
1149 | BFD_ENDIAN_BIG, /* Byteorder */ | |
1150 | BFD_ENDIAN_BIG, /* Header_byteorder. */ | |
1151 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
3af9a47b NC |
1152 | HAS_LINENO | HAS_DEBUG | |
1153 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1154 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
116c20d2 NC |
1155 | | SEC_ROM | SEC_HAS_CONTENTS),/* Section_flags. */ |
1156 | 0, /* Symbol_leading_char. */ | |
1157 | ' ', /* AR_pad_char. */ | |
1158 | 16, /* AR_max_namelen. */ | |
0aabe54e | 1159 | 0, /* match priority. */ |
3af9a47b NC |
1160 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
1161 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 1162 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
3af9a47b NC |
1163 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
1164 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 NC |
1165 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
1166 | { /* bfd_check_format. */ | |
3af9a47b | 1167 | _bfd_dummy_target, |
116c20d2 | 1168 | bfd_pef_xlib_object_p, /* bfd_check_format. */ |
3af9a47b NC |
1169 | _bfd_dummy_target, |
1170 | _bfd_dummy_target, | |
1171 | }, | |
116c20d2 | 1172 | { /* bfd_set_format. */ |
3af9a47b NC |
1173 | bfd_false, |
1174 | bfd_pef_mkobject, | |
1175 | bfd_false, | |
1176 | bfd_false, | |
1177 | }, | |
116c20d2 | 1178 | { /* bfd_write_contents. */ |
3af9a47b NC |
1179 | bfd_false, |
1180 | bfd_true, | |
1181 | bfd_false, | |
1182 | bfd_false, | |
1183 | }, | |
1184 | ||
1185 | BFD_JUMP_TABLE_GENERIC (bfd_pef_xlib), | |
1186 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1187 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1188 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1189 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
1190 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
1191 | BFD_JUMP_TABLE_WRITE (_bfd_nowrite), | |
1192 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
1193 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1194 | ||
1195 | NULL, | |
e84d6fca | 1196 | |
3af9a47b NC |
1197 | NULL |
1198 | }; |