Commit | Line | Data |
---|---|---|
3af9a47b NC |
1 | /* PEF support for BFD. |
2 | Copyright 1999, 2000, 2001, 2002 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
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 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include <ctype.h> | |
22 | ||
23 | #include "pef.h" | |
24 | #include "pef-traceback.h" | |
25 | ||
26 | #include "bfd.h" | |
27 | #include "sysdep.h" | |
28 | #include "libbfd.h" | |
29 | ||
30 | #include "libiberty.h" | |
31 | ||
32 | #ifndef BFD_IO_FUNCS | |
33 | #define BFD_IO_FUNCS 0 | |
34 | #endif | |
35 | ||
36 | #define bfd_pef_close_and_cleanup _bfd_generic_close_and_cleanup | |
37 | #define bfd_pef_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
38 | #define bfd_pef_new_section_hook _bfd_generic_new_section_hook | |
39 | #define bfd_pef_bfd_is_local_label_name bfd_generic_is_local_label_name | |
40 | #define bfd_pef_get_lineno _bfd_nosymbols_get_lineno | |
41 | #define bfd_pef_find_nearest_line _bfd_nosymbols_find_nearest_line | |
42 | #define bfd_pef_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
43 | #define bfd_pef_read_minisymbols _bfd_generic_read_minisymbols | |
44 | #define bfd_pef_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
45 | ||
46 | #define bfd_pef_get_reloc_upper_bound _bfd_norelocs_get_reloc_upper_bound | |
47 | #define bfd_pef_canonicalize_reloc _bfd_norelocs_canonicalize_reloc | |
48 | #define bfd_pef_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup | |
49 | ||
50 | #define bfd_pef_set_arch_mach _bfd_generic_set_arch_mach | |
51 | ||
52 | #define bfd_pef_get_section_contents _bfd_generic_get_section_contents | |
53 | #define bfd_pef_set_section_contents _bfd_generic_set_section_contents | |
54 | ||
55 | #define bfd_pef_bfd_get_relocated_section_contents \ | |
56 | bfd_generic_get_relocated_section_contents | |
57 | #define bfd_pef_bfd_relax_section bfd_generic_relax_section | |
58 | #define bfd_pef_bfd_gc_sections bfd_generic_gc_sections | |
59 | #define bfd_pef_bfd_merge_sections bfd_generic_merge_sections | |
60 | #define bfd_pef_bfd_discard_group bfd_generic_discard_group | |
61 | #define bfd_pef_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
62 | #define bfd_pef_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
63 | #define bfd_pef_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
64 | #define bfd_pef_bfd_link_just_syms _bfd_generic_link_just_syms | |
65 | #define bfd_pef_bfd_final_link _bfd_generic_final_link | |
66 | #define bfd_pef_bfd_link_split_section _bfd_generic_link_split_section | |
67 | #define bfd_pef_get_section_contents_in_window \ | |
68 | _bfd_generic_get_section_contents_in_window | |
69 | ||
70 | static void bfd_pef_print_symbol | |
71 | PARAMS ((bfd *abfd, PTR afile, asymbol *symbol, bfd_print_symbol_type how)); | |
72 | static void bfd_pef_convert_architecture | |
73 | PARAMS ((unsigned long architecture, | |
74 | enum bfd_architecture *type, unsigned long *subtype)); | |
75 | static boolean bfd_pef_mkobject PARAMS ((bfd *abfd)); | |
76 | static int bfd_pef_parse_traceback_table | |
77 | PARAMS ((bfd *abfd, asection *section, unsigned char *buf, | |
78 | size_t len, size_t pos, asymbol *sym, FILE *file)); | |
79 | static const char *bfd_pef_section_name PARAMS ((bfd_pef_section *section)); | |
80 | static unsigned long bfd_pef_section_flags PARAMS ((bfd_pef_section *section)); | |
81 | static asection *bfd_pef_make_bfd_section PARAMS ((bfd *abfd, bfd_pef_section *section)); | |
82 | static int bfd_pef_read_header PARAMS ((bfd *abfd, bfd_pef_header *header)); | |
83 | static const bfd_target *bfd_pef_object_p PARAMS ((bfd *)); | |
84 | static int bfd_pef_parse_traceback_tables | |
85 | PARAMS ((bfd *abfd, asection *sec, unsigned char *buf, | |
86 | size_t len, long *nsym, asymbol **csym)); | |
87 | static int bfd_pef_parse_function_stub | |
88 | PARAMS ((bfd *abfd, unsigned char *buf, size_t len, unsigned long *offset)); | |
89 | static int bfd_pef_parse_function_stubs | |
90 | PARAMS ((bfd *abfd, asection *codesec, unsigned char *codebuf, size_t codelen, | |
91 | unsigned char *loaderbuf, size_t loaderlen, unsigned long *nsym, asymbol **csym)); | |
92 | static long bfd_pef_parse_symbols PARAMS ((bfd *abfd, asymbol **csym)); | |
93 | static long bfd_pef_count_symbols PARAMS ((bfd *abfd)); | |
94 | static long bfd_pef_get_symtab_upper_bound PARAMS ((bfd *)); | |
95 | static long bfd_pef_get_symtab PARAMS ((bfd *, asymbol **)); | |
96 | static asymbol *bfd_pef_make_empty_symbol PARAMS ((bfd *)); | |
97 | static void bfd_pef_get_symbol_info PARAMS ((bfd *, asymbol *, symbol_info *)); | |
98 | static int bfd_pef_sizeof_headers PARAMS ((bfd *, boolean)); | |
99 | ||
100 | static int bfd_pef_xlib_read_header PARAMS ((bfd *abfd, bfd_pef_xlib_header *header)); | |
101 | static int bfd_pef_xlib_scan PARAMS ((bfd *abfd, bfd_pef_xlib_header *header)); | |
102 | static const bfd_target *bfd_pef_xlib_object_p PARAMS ((bfd *abfd)); | |
103 | ||
104 | static void | |
105 | bfd_pef_print_symbol (abfd, afile, symbol, how) | |
106 | bfd *abfd; | |
107 | PTR afile; | |
108 | asymbol *symbol; | |
109 | bfd_print_symbol_type how; | |
110 | { | |
111 | FILE *file = (FILE *) afile; | |
112 | switch (how) { | |
113 | case bfd_print_symbol_name: | |
114 | fprintf (file, "%s", symbol->name); | |
115 | break; | |
116 | default: | |
117 | bfd_print_symbol_vandf (abfd, (PTR) file, symbol); | |
118 | fprintf (file, " %-5s %s", symbol->section->name, symbol->name); | |
119 | if (strncmp (symbol->name, "__traceback_", strlen ("__traceback_")) == 0) { | |
120 | char *buf = alloca (symbol->udata.i); | |
121 | size_t offset = symbol->value + 4; | |
122 | size_t len = symbol->udata.i; | |
123 | int ret; | |
124 | ||
125 | bfd_get_section_contents (abfd, symbol->section, buf, offset, len); | |
126 | ret = bfd_pef_parse_traceback_table (abfd, symbol->section, buf, len, 0, NULL, file); | |
127 | if (ret < 0) { | |
128 | fprintf (file, " [ERROR]"); | |
129 | } | |
130 | } | |
131 | } | |
132 | } | |
133 | ||
134 | static void bfd_pef_convert_architecture (architecture, type, subtype) | |
135 | unsigned long architecture; | |
136 | enum bfd_architecture *type; | |
137 | unsigned long *subtype; | |
138 | { | |
139 | *subtype = bfd_arch_unknown; | |
140 | *type = bfd_arch_unknown; | |
141 | ||
142 | const unsigned long ARCH_POWERPC = 0x70777063; /* 'pwpc' */ | |
143 | const unsigned long ARCH_M68K = 0x6d36386b; /* 'm68k' */ | |
144 | ||
145 | if (architecture == ARCH_POWERPC) | |
146 | *type = bfd_arch_powerpc; | |
147 | else if (architecture == ARCH_M68K) | |
148 | *type = bfd_arch_m68k; | |
149 | } | |
150 | ||
151 | static boolean | |
152 | bfd_pef_mkobject (abfd) | |
153 | bfd *abfd ATTRIBUTE_UNUSED; | |
154 | { | |
155 | return true; | |
156 | } | |
157 | ||
158 | static int | |
159 | bfd_pef_parse_traceback_table (abfd, section, buf, len, pos, sym, file) | |
160 | bfd *abfd; | |
161 | asection *section; | |
162 | unsigned char *buf; | |
163 | size_t len; | |
164 | size_t pos; | |
165 | asymbol *sym; | |
166 | FILE *file; | |
167 | { | |
168 | struct traceback_table table; | |
169 | size_t offset; | |
170 | const char *s; | |
171 | asymbol tmpsymbol; | |
172 | ||
173 | if (sym == NULL) { sym = &tmpsymbol; } | |
174 | ||
175 | sym->name = NULL; | |
176 | sym->value = 0; | |
177 | sym->the_bfd = abfd; | |
178 | sym->section = section; | |
179 | sym->flags = 0; | |
180 | sym->udata.i = 0; | |
181 | ||
182 | /* memcpy is fine since all fields are unsigned char */ | |
183 | ||
184 | if ((pos + 8) > len) { return -1; } | |
185 | memcpy (&table, buf + pos, 8); | |
186 | ||
187 | /* calling code relies on returned symbols having a name and correct offset */ | |
188 | ||
189 | if ((table.lang != TB_C) && (table.lang != TB_CPLUSPLUS)) { | |
190 | return -1; | |
191 | } | |
192 | if (! (table.flags2 & TB_NAME_PRESENT)) { | |
193 | return -1; | |
194 | } | |
195 | if (! table.flags1 & TB_HAS_TBOFF) { | |
196 | return -1; | |
197 | } | |
198 | ||
199 | offset = 8; | |
200 | ||
201 | if ((table.flags5 & TB_FLOATPARAMS) || (table.fixedparams)) { | |
202 | offset += 4; | |
203 | } | |
204 | ||
205 | if (table.flags1 & TB_HAS_TBOFF) { | |
206 | ||
207 | struct traceback_table_tboff off; | |
208 | ||
209 | if ((pos + offset + 4) > len) { return -1; } | |
210 | off.tb_offset = bfd_getb32 (buf + pos + offset); | |
211 | offset += 4; | |
212 | ||
213 | /* need to subtract 4 because the offset includes the 0x0L | |
214 | preceding the table */ | |
215 | ||
216 | if (file != NULL) { | |
217 | fprintf (file, " [offset = 0x%lx]", off.tb_offset); | |
218 | } | |
219 | ||
220 | if ((file == NULL) && ((off.tb_offset + 4) > (pos + offset))) { | |
221 | return -1; | |
222 | } | |
223 | sym->value = pos - off.tb_offset - 4; | |
224 | } | |
225 | ||
226 | if (table.flags2 & TB_INT_HNDL) { | |
227 | offset += 4; | |
228 | } | |
229 | ||
230 | if (table.flags1 & TB_HAS_CTL) { | |
231 | ||
232 | struct traceback_table_anchors anchors; | |
233 | ||
234 | if ((pos + offset + 4) > len) { return -1; } | |
235 | anchors.ctl_info = bfd_getb32 (buf + pos + offset); | |
236 | offset += 4; | |
237 | ||
238 | if (anchors.ctl_info > 1024) { | |
239 | return -1; | |
240 | } | |
241 | ||
242 | offset += anchors.ctl_info * 4; | |
243 | } | |
244 | ||
245 | if (table.flags2 & TB_NAME_PRESENT) { | |
246 | ||
247 | struct traceback_table_routine name; | |
248 | char *namebuf; | |
249 | ||
250 | if ((pos + offset + 2) > len) { return -1; } | |
251 | name.name_len = bfd_getb16 (buf + pos + offset); | |
252 | offset += 2; | |
253 | ||
254 | if (name.name_len > 4096) { return -1; } | |
255 | ||
256 | if ((pos + offset + name.name_len) > len) { return -1; } | |
257 | ||
258 | namebuf = (char *) bfd_alloc (abfd, name.name_len + 1); | |
259 | if (namebuf == NULL) { return -1; } | |
260 | ||
261 | memcpy (namebuf, buf + pos + offset, name.name_len); | |
262 | namebuf[name.name_len] = '\0'; | |
263 | ||
264 | /* strip leading period inserted by compiler */ | |
265 | if (namebuf[0] == '.') { | |
266 | memmove (namebuf, namebuf + 1, name.name_len + 1); | |
267 | } | |
268 | ||
269 | sym->name = namebuf; | |
270 | ||
271 | for (s = sym->name; (*s != '\0'); s++) { | |
272 | if (! isprint (*s)) { | |
273 | return -1; | |
274 | } | |
275 | } | |
276 | ||
277 | offset += name.name_len; | |
278 | } | |
279 | ||
280 | if (table.flags2 & TB_USES_ALLOCA) { | |
281 | offset += 4; | |
282 | } | |
283 | ||
284 | if (table.flags4 & TB_HAS_VEC_INFO) { | |
285 | offset += 4; | |
286 | } | |
287 | ||
288 | if (file != NULL) { | |
289 | fprintf (file, " [length = 0x%lx]", (long) offset); | |
290 | } | |
291 | return offset; | |
292 | } | |
293 | ||
294 | static const char *bfd_pef_section_name (section) | |
295 | bfd_pef_section *section; | |
296 | { | |
297 | switch (section->section_kind) { | |
298 | case BFD_PEF_SECTION_CODE: return "code"; | |
299 | case BFD_PEF_SECTION_UNPACKED_DATA: return "unpacked-data"; | |
300 | case BFD_PEF_SECTION_PACKED_DATA: return "packed-data"; | |
301 | case BFD_PEF_SECTION_CONSTANT: return "constant"; | |
302 | case BFD_PEF_SECTION_LOADER: return "loader"; | |
303 | case BFD_PEF_SECTION_DEBUG: return "debug"; | |
304 | case BFD_PEF_SECTION_EXEC_DATA: return "exec-data"; | |
305 | case BFD_PEF_SECTION_EXCEPTION: return "exception"; | |
306 | case BFD_PEF_SECTION_TRACEBACK: return "traceback"; | |
307 | default: return "unknown"; | |
308 | } | |
309 | } | |
310 | ||
311 | static unsigned long bfd_pef_section_flags (section) | |
312 | bfd_pef_section *section; | |
313 | { | |
314 | switch (section->section_kind) { | |
315 | case BFD_PEF_SECTION_CODE: | |
316 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; | |
317 | case BFD_PEF_SECTION_UNPACKED_DATA: | |
318 | case BFD_PEF_SECTION_PACKED_DATA: | |
319 | case BFD_PEF_SECTION_CONSTANT: | |
320 | case BFD_PEF_SECTION_LOADER: | |
321 | case BFD_PEF_SECTION_DEBUG: | |
322 | case BFD_PEF_SECTION_EXEC_DATA: | |
323 | case BFD_PEF_SECTION_EXCEPTION: | |
324 | case BFD_PEF_SECTION_TRACEBACK: | |
325 | default: | |
326 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; | |
327 | } | |
328 | } | |
329 | ||
330 | static asection * | |
331 | bfd_pef_make_bfd_section (abfd, section) | |
332 | bfd *abfd; | |
333 | bfd_pef_section *section; | |
334 | { | |
335 | asection *bfdsec; | |
336 | const char *name = bfd_pef_section_name (section); | |
337 | ||
338 | bfdsec = bfd_make_section_anyway (abfd, name); | |
339 | if (bfdsec == NULL) { return NULL; } | |
340 | ||
341 | bfdsec->vma = section->default_address + section->container_offset; | |
342 | bfdsec->lma = section->default_address + section->container_offset; | |
343 | bfdsec->_raw_size = section->container_length; | |
344 | bfdsec->filepos = section->container_offset; | |
345 | bfdsec->alignment_power = section->alignment; | |
346 | ||
347 | bfdsec->flags = bfd_pef_section_flags (section); | |
348 | ||
349 | return bfdsec; | |
350 | } | |
351 | ||
352 | int bfd_pef_parse_loader_header (abfd, buf, len, header) | |
353 | bfd *abfd ATTRIBUTE_UNUSED; | |
354 | unsigned char *buf; | |
355 | size_t len; | |
356 | bfd_pef_loader_header *header; | |
357 | { | |
358 | BFD_ASSERT (len == 56); | |
359 | ||
360 | header->main_section = bfd_getb32 (buf); | |
361 | header->main_offset = bfd_getb32 (buf + 4); | |
362 | header->init_section = bfd_getb32 (buf + 8); | |
363 | header->init_offset = bfd_getb32 (buf + 12); | |
364 | header->term_section = bfd_getb32 (buf + 16); | |
365 | header->term_offset = bfd_getb32 (buf + 20); | |
366 | header->imported_library_count = bfd_getb32 (buf + 24); | |
367 | header->total_imported_symbol_count = bfd_getb32 (buf + 28); | |
368 | header->reloc_section_count = bfd_getb32 (buf + 32); | |
369 | header->reloc_instr_offset = bfd_getb32 (buf + 36); | |
370 | header->loader_strings_offset = bfd_getb32 (buf + 40); | |
371 | header->export_hash_offset = bfd_getb32 (buf + 44); | |
372 | header->export_hash_table_power = bfd_getb32 (buf + 48); | |
373 | header->exported_symbol_count = bfd_getb32 (buf + 52); | |
374 | ||
375 | return 0; | |
376 | } | |
377 | ||
378 | int bfd_pef_parse_imported_library (abfd, buf, len, header) | |
379 | bfd *abfd ATTRIBUTE_UNUSED; | |
380 | unsigned char *buf; | |
381 | size_t len; | |
382 | bfd_pef_imported_library *header; | |
383 | { | |
384 | BFD_ASSERT (len == 24); | |
385 | ||
386 | header->name_offset = bfd_getb32 (buf); | |
387 | header->old_implementation_version = bfd_getb32 (buf + 4); | |
388 | header->current_version = bfd_getb32 (buf + 8); | |
389 | header->imported_symbol_count = bfd_getb32 (buf + 12); | |
390 | header->first_imported_symbol = bfd_getb32 (buf + 16); | |
391 | header->options = buf[20]; | |
392 | header->reserved_a = buf[21]; | |
393 | header->reserved_b = bfd_getb16 (buf + 22); | |
394 | ||
395 | return 0; | |
396 | } | |
397 | ||
398 | int bfd_pef_parse_imported_symbol (abfd, buf, len, symbol) | |
399 | bfd *abfd ATTRIBUTE_UNUSED; | |
400 | unsigned char *buf; | |
401 | size_t len; | |
402 | bfd_pef_imported_symbol *symbol; | |
403 | { | |
404 | unsigned long value; | |
405 | ||
406 | BFD_ASSERT (len == 4); | |
407 | ||
408 | value = bfd_getb32 (buf); | |
409 | symbol->class = value >> 24; | |
410 | symbol->name = value & 0x00ffffff; | |
411 | ||
412 | return 0; | |
413 | } | |
414 | ||
415 | int bfd_pef_scan_section (abfd, section) | |
416 | bfd *abfd; | |
417 | bfd_pef_section *section; | |
418 | { | |
419 | unsigned char buf[28]; | |
420 | ||
421 | bfd_seek (abfd, section->header_offset, SEEK_SET); | |
422 | if (bfd_bread ((PTR) buf, 28, abfd) != 28) { return -1; } | |
423 | ||
424 | section->name_offset = bfd_h_get_32 (abfd, buf); | |
425 | section->default_address = bfd_h_get_32 (abfd, buf + 4); | |
426 | section->total_length = bfd_h_get_32 (abfd, buf + 8); | |
427 | section->unpacked_length = bfd_h_get_32 (abfd, buf + 12); | |
428 | section->container_length = bfd_h_get_32 (abfd, buf + 16); | |
429 | section->container_offset = bfd_h_get_32 (abfd, buf + 20); | |
430 | section->section_kind = buf[24]; | |
431 | section->share_kind = buf[25]; | |
432 | section->alignment = buf[26]; | |
433 | section->reserved = buf[27]; | |
434 | ||
435 | section->bfd_section = bfd_pef_make_bfd_section (abfd, section); | |
436 | if (section->bfd_section == NULL) { return -1; } | |
437 | ||
438 | return 0; | |
439 | } | |
440 | ||
441 | void | |
442 | bfd_pef_print_loader_header (abfd, header, file) | |
443 | bfd *abfd ATTRIBUTE_UNUSED; | |
444 | bfd_pef_loader_header *header; | |
445 | FILE *file; | |
446 | { | |
447 | fprintf (file, "main_section: %ld\n", header->main_section); | |
448 | fprintf (file, "main_offset: %lu\n", header->main_offset); | |
449 | fprintf (file, "init_section: %ld\n", header->init_section); | |
450 | fprintf (file, "init_offset: %lu\n", header->init_offset); | |
451 | fprintf (file, "term_section: %ld\n", header->term_section); | |
452 | fprintf (file, "term_offset: %lu\n", header->term_offset); | |
453 | fprintf (file, "imported_library_count: %lu\n", header->imported_library_count); | |
454 | fprintf (file, "total_imported_symbol_count: %lu\n", header->total_imported_symbol_count); | |
455 | fprintf (file, "reloc_section_count: %lu\n", header->reloc_section_count); | |
456 | fprintf (file, "reloc_instr_offset: %lu\n", header->reloc_instr_offset); | |
457 | fprintf (file, "loader_strings_offset: %lu\n", header->loader_strings_offset); | |
458 | fprintf (file, "export_hash_offset: %lu\n", header->export_hash_offset); | |
459 | fprintf (file, "export_hash_table_power: %lu\n", header->export_hash_table_power); | |
460 | fprintf (file, "exported_symbol_count: %lu\n", header->exported_symbol_count); | |
461 | } | |
462 | ||
463 | int | |
464 | bfd_pef_print_loader_section (abfd, file) | |
465 | bfd *abfd; | |
466 | FILE *file; | |
467 | { | |
468 | bfd_pef_loader_header header; | |
469 | asection *loadersec = NULL; | |
470 | unsigned char *loaderbuf = NULL; | |
471 | size_t loaderlen = 0; | |
472 | int ret; | |
473 | ||
474 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
475 | if (loadersec == NULL) { return -1; } | |
476 | ||
477 | loaderlen = bfd_section_size (abfd, loadersec); | |
478 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); | |
479 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) | |
480 | { free (loaderbuf); return -1; } | |
481 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) | |
482 | { free (loaderbuf); return -1; } | |
483 | ||
484 | if (loaderlen < 56) { free (loaderbuf); return -1; } | |
485 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); | |
486 | if (ret < 0) { free (loaderbuf); return -1; } | |
487 | ||
488 | bfd_pef_print_loader_header (abfd, &header, file); | |
489 | return 0; | |
490 | } | |
491 | ||
492 | int | |
493 | bfd_pef_scan_start_address (abfd) | |
494 | bfd *abfd; | |
495 | { | |
496 | bfd_pef_loader_header header; | |
497 | asection *section; | |
498 | ||
499 | asection *loadersec = NULL; | |
500 | unsigned char *loaderbuf = NULL; | |
501 | size_t loaderlen = 0; | |
502 | int ret; | |
503 | ||
504 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
505 | if (loadersec == NULL) { goto end; } | |
506 | ||
507 | loaderlen = bfd_section_size (abfd, loadersec); | |
508 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); | |
509 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) { goto error; } | |
510 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) { goto error; } | |
511 | ||
512 | if (loaderlen < 56) { goto error; } | |
513 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); | |
514 | if (ret < 0) { goto error; } | |
515 | ||
516 | if (header.main_section < 0) { goto end; } | |
517 | ||
518 | for (section = abfd->sections; section != NULL; section = section->next) { | |
519 | if ((section->index + 1) == header.main_section) { break; } | |
520 | } | |
521 | ||
522 | if (section == NULL) { goto error; } | |
523 | ||
524 | abfd->start_address = section->vma + header.main_offset; | |
525 | ||
526 | end: | |
527 | if (loaderbuf != NULL) { free (loaderbuf); } | |
528 | return 0; | |
529 | ||
530 | error: | |
531 | if (loaderbuf != NULL) { free (loaderbuf); } | |
532 | return -1; | |
533 | } | |
534 | ||
535 | int | |
536 | bfd_pef_scan (abfd, header) | |
537 | bfd *abfd; | |
538 | bfd_pef_header *header; | |
539 | { | |
540 | unsigned int i; | |
541 | bfd_pef_data_struct *mdata = NULL; | |
542 | enum bfd_architecture cputype; | |
543 | unsigned long cpusubtype; | |
544 | ||
545 | if ((header->tag1 != BFD_PEF_TAG1) || (header->tag2 != BFD_PEF_TAG2)) { | |
546 | return -1; | |
547 | } | |
548 | ||
549 | mdata = ((bfd_pef_data_struct *) | |
550 | bfd_alloc (abfd, sizeof (bfd_pef_data_struct))); | |
551 | if (mdata == NULL) { return -1; } | |
552 | ||
553 | bfd_pef_convert_architecture (header->architecture, &cputype, &cpusubtype); | |
554 | if (cputype == bfd_arch_unknown) { | |
555 | fprintf (stderr, "bfd_pef_scan: unknown architecture 0x%lx\n", header->architecture); | |
556 | return -1; | |
557 | } | |
558 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
559 | ||
560 | mdata->header = *header; | |
561 | ||
562 | abfd->flags = abfd->xvec->object_flags | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS)); | |
563 | ||
564 | if (header->section_count != 0) { | |
565 | ||
566 | mdata->sections = | |
567 | ((bfd_pef_section *) | |
568 | bfd_alloc (abfd, header->section_count * sizeof (bfd_pef_section))); | |
569 | if (mdata->sections == NULL) { return -1; } | |
570 | ||
571 | for (i = 0; i < header->section_count; i++) { | |
572 | bfd_pef_section *cur = &mdata->sections[i]; | |
573 | cur->header_offset = 40 + (i * 28); | |
574 | if (bfd_pef_scan_section (abfd, cur) < 0) { | |
575 | return -1; | |
576 | } | |
577 | } | |
578 | } | |
579 | ||
580 | if (bfd_pef_scan_start_address (abfd) < 0) { | |
581 | #if 0 | |
582 | fprintf (stderr, "bfd_pef_scan: unable to scan start address: %s\n", | |
583 | bfd_errmsg (bfd_get_error ())); | |
584 | abfd->tdata.pef_data = NULL; | |
585 | return -1; | |
586 | #endif | |
587 | } | |
588 | ||
589 | abfd->tdata.pef_data = mdata; | |
590 | ||
591 | return 0; | |
592 | } | |
593 | ||
594 | static int | |
595 | bfd_pef_read_header (abfd, header) | |
596 | bfd *abfd; | |
597 | bfd_pef_header *header; | |
598 | { | |
599 | unsigned char buf[40]; | |
600 | ||
601 | bfd_seek (abfd, 0, SEEK_SET); | |
602 | ||
603 | if (bfd_bread ((PTR) buf, 40, abfd) != 40) { return -1; } | |
604 | ||
605 | header->tag1 = bfd_getb32 (buf); | |
606 | header->tag2 = bfd_getb32 (buf + 4); | |
607 | header->architecture = bfd_getb32 (buf + 8); | |
608 | header->format_version = bfd_getb32 (buf + 12); | |
609 | header->timestamp = bfd_getb32 (buf + 16); | |
610 | header->old_definition_version = bfd_getb32 (buf + 20); | |
611 | header->old_implementation_version = bfd_getb32 (buf + 24); | |
612 | header->current_version = bfd_getb32 (buf + 28); | |
613 | header->section_count = bfd_getb32 (buf + 32) + 1; | |
614 | header->instantiated_section_count = bfd_getb32 (buf + 34); | |
615 | header->reserved = bfd_getb32 (buf + 36); | |
616 | ||
617 | return 0; | |
618 | } | |
619 | ||
620 | static const bfd_target * | |
621 | bfd_pef_object_p (abfd) | |
622 | bfd *abfd; | |
623 | { | |
624 | bfd_pef_header header; | |
625 | ||
626 | abfd->tdata.pef_data = NULL; | |
627 | ||
628 | if (bfd_pef_read_header (abfd, &header) != 0) { | |
629 | abfd->tdata.pef_data = NULL; | |
630 | bfd_set_error (bfd_error_wrong_format); | |
631 | return NULL; | |
632 | } | |
633 | ||
634 | if (bfd_pef_scan (abfd, &header) != 0) { | |
635 | abfd->tdata.pef_data = NULL; | |
636 | bfd_set_error (bfd_error_wrong_format); | |
637 | return NULL; | |
638 | } | |
639 | ||
640 | return abfd->xvec; | |
641 | } | |
642 | ||
643 | static int bfd_pef_parse_traceback_tables (abfd, sec, buf, len, nsym, csym) | |
644 | bfd *abfd; | |
645 | asection *sec; | |
646 | unsigned char *buf; | |
647 | size_t len; | |
648 | long *nsym; | |
649 | asymbol **csym; | |
650 | { | |
651 | char *name; | |
652 | ||
653 | asymbol function; | |
654 | asymbol traceback; | |
655 | ||
656 | const char *const tbprefix = "__traceback_"; | |
657 | size_t tbnamelen; | |
658 | ||
659 | size_t pos = 0; | |
660 | unsigned long count = 0; | |
661 | int ret; | |
662 | ||
663 | for (;;) { | |
664 | ||
665 | /* we're reading symbols two at a time */ | |
666 | ||
667 | if (csym && ((csym[count] == NULL) || (csym[count + 1] == NULL))) { | |
668 | break; | |
669 | } | |
670 | ||
671 | pos += 3; | |
672 | pos -= (pos % 4); | |
673 | ||
674 | while ((pos + 4) <= len) { | |
675 | if (bfd_getb32 (buf + pos) == 0) { | |
676 | break; | |
677 | } | |
678 | pos += 4; | |
679 | } | |
680 | ||
681 | if ((pos + 4) > len) { | |
682 | break; | |
683 | } | |
684 | ||
685 | ret = bfd_pef_parse_traceback_table (abfd, sec, buf, len, pos + 4, &function, 0); | |
686 | if (ret < 0) { | |
687 | /* skip over 0x0L to advance to next possible traceback table */ | |
688 | pos += 4; | |
689 | continue; | |
690 | } | |
691 | ||
692 | BFD_ASSERT (function.name != NULL); | |
693 | ||
694 | /* Don't bother to compute the name if we are just | |
695 | counting symbols */ | |
696 | ||
697 | if (csym) | |
698 | { | |
699 | tbnamelen = strlen (tbprefix) + strlen (function.name); | |
700 | name = bfd_alloc (abfd, tbnamelen + 1); | |
701 | if (name == NULL) { | |
702 | bfd_release (abfd, (PTR) function.name); | |
703 | function.name = NULL; | |
704 | break; | |
705 | } | |
706 | snprintf (name, tbnamelen + 1, "%s%s", tbprefix, function.name); | |
707 | traceback.name = name; | |
708 | traceback.value = pos; | |
709 | traceback.the_bfd = abfd; | |
710 | traceback.section = sec; | |
711 | traceback.flags = 0; | |
712 | traceback.udata.i = ret; | |
713 | ||
714 | *(csym[count]) = function; | |
715 | *(csym[count + 1]) = traceback; | |
716 | } | |
717 | ||
718 | pos += ret; | |
719 | count += 2; | |
720 | } | |
721 | ||
722 | *nsym = count; | |
723 | return 0; | |
724 | } | |
725 | ||
726 | static int bfd_pef_parse_function_stub (abfd, buf, len, offset) | |
727 | bfd *abfd ATTRIBUTE_UNUSED; | |
728 | unsigned char *buf; | |
729 | size_t len; | |
730 | unsigned long *offset; | |
731 | { | |
732 | BFD_ASSERT (len == 24); | |
733 | ||
734 | if ((bfd_getb32 (buf) & 0xffff0000) != 0x81820000) { return -1; } | |
735 | if (bfd_getb32 (buf + 4) != 0x90410014) { return -1; } | |
736 | if (bfd_getb32 (buf + 8) != 0x800c0000) { return -1; } | |
737 | if (bfd_getb32 (buf + 12) != 0x804c0004) { return -1; } | |
738 | if (bfd_getb32 (buf + 16) != 0x7c0903a6) { return -1; } | |
739 | if (bfd_getb32 (buf + 20) != 0x4e800420) { return -1; } | |
740 | ||
741 | if (offset != NULL) { | |
742 | *offset = (bfd_getb32 (buf) & 0x0000ffff) / 4; | |
743 | } | |
744 | ||
745 | return 0; | |
746 | } | |
747 | ||
748 | static int bfd_pef_parse_function_stubs (abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, nsym, csym) | |
749 | bfd *abfd; | |
750 | asection *codesec; | |
751 | unsigned char *codebuf; | |
752 | size_t codelen; | |
753 | unsigned char *loaderbuf; | |
754 | size_t loaderlen; | |
755 | unsigned long *nsym; | |
756 | asymbol **csym; | |
757 | { | |
758 | const char *const sprefix = "__stub_"; | |
759 | ||
760 | size_t codepos = 0; | |
761 | unsigned long count = 0; | |
762 | ||
763 | bfd_pef_loader_header header; | |
764 | bfd_pef_imported_library *libraries = NULL; | |
765 | bfd_pef_imported_symbol *imports = NULL; | |
766 | ||
767 | unsigned long i; | |
768 | int ret; | |
769 | ||
770 | if (loaderlen < 56) { goto error; } | |
771 | ||
772 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); | |
773 | if (ret < 0) { goto error; } | |
774 | ||
775 | libraries = (bfd_pef_imported_library *) bfd_malloc | |
776 | (header.imported_library_count * sizeof (bfd_pef_imported_library)); | |
777 | imports = (bfd_pef_imported_symbol *) bfd_malloc | |
778 | (header.total_imported_symbol_count * sizeof (bfd_pef_imported_symbol)); | |
779 | ||
780 | if (loaderlen < (56 + (header.imported_library_count * 24))) { goto error; } | |
781 | for (i = 0; i < header.imported_library_count; i++) { | |
782 | ret = bfd_pef_parse_imported_library | |
783 | (abfd, loaderbuf + 56 + (i * 24), 24, &libraries[i]); | |
784 | if (ret < 0) { goto error; } | |
785 | } | |
786 | ||
787 | if (loaderlen < (56 + (header.imported_library_count * 24) + (header.total_imported_symbol_count * 4))) | |
788 | { goto error; } | |
789 | for (i = 0; i < header.total_imported_symbol_count; i++) { | |
790 | ret = bfd_pef_parse_imported_symbol | |
791 | (abfd, loaderbuf + 56 + (header.imported_library_count * 24) + (i * 4), 4, &imports[i]); | |
792 | if (ret < 0) { goto error; } | |
793 | } | |
794 | ||
795 | codepos = 0; | |
796 | ||
797 | for (;;) { | |
798 | ||
799 | asymbol sym; | |
800 | const char *symname; | |
801 | char *name; | |
802 | unsigned long index; | |
803 | int ret; | |
804 | ||
805 | if (csym && (csym[count] == NULL)) { break; } | |
806 | ||
807 | codepos += 3; | |
808 | codepos -= (codepos % 4); | |
809 | ||
810 | while ((codepos + 4) <= codelen) { | |
811 | if ((bfd_getb32 (codebuf + codepos) & 0xffff0000) == 0x81820000) { | |
812 | break; | |
813 | } | |
814 | codepos += 4; | |
815 | } | |
816 | ||
817 | if ((codepos + 4) > codelen) { | |
818 | break; | |
819 | } | |
820 | ||
821 | ret = bfd_pef_parse_function_stub (abfd, codebuf + codepos, 24, &index); | |
822 | if (ret < 0) { codepos += 24; continue; } | |
823 | ||
824 | if (index >= header.total_imported_symbol_count) { codepos += 24; continue; } | |
825 | ||
826 | { | |
827 | size_t max, namelen; | |
828 | const char *s; | |
829 | ||
830 | if (loaderlen < (header.loader_strings_offset + imports[index].name)) { goto error; } | |
831 | ||
832 | max = loaderlen - (header.loader_strings_offset + imports[index].name); | |
833 | symname = loaderbuf + header.loader_strings_offset + imports[index].name; | |
834 | namelen = 0; | |
835 | for (s = symname; s < (symname + max); s++) { | |
836 | if (*s == '\0') { break; } | |
837 | if (! isprint (*s)) { goto error; } | |
838 | namelen++; | |
839 | } | |
840 | if (*s != '\0') { goto error; } | |
841 | ||
842 | name = bfd_alloc (abfd, strlen (sprefix) + namelen + 1); | |
843 | if (name == NULL) { break; } | |
844 | ||
845 | snprintf (name, strlen (sprefix) + namelen + 1, "%s%s", sprefix, symname); | |
846 | sym.name = name; | |
847 | } | |
848 | ||
849 | sym.value = codepos; | |
850 | sym.the_bfd = abfd; | |
851 | sym.section = codesec; | |
852 | sym.flags = 0; | |
853 | sym.udata.i = 0; | |
854 | ||
855 | codepos += 24; | |
856 | ||
857 | if (csym != NULL) { | |
858 | *(csym[count]) = sym; | |
859 | } | |
860 | count++; | |
861 | } | |
862 | ||
863 | goto end; | |
864 | ||
865 | end: | |
866 | if (libraries != NULL) { free (libraries); } | |
867 | if (imports != NULL) { free (imports); } | |
868 | *nsym = count; | |
869 | return 0; | |
870 | ||
871 | error: | |
872 | if (libraries != NULL) { free (libraries); } | |
873 | if (imports != NULL) { free (imports); } | |
874 | *nsym = count; | |
875 | return -1; | |
876 | } | |
877 | ||
878 | static long bfd_pef_parse_symbols (abfd, csym) | |
879 | bfd *abfd; | |
880 | asymbol **csym; | |
881 | { | |
882 | unsigned long count = 0; | |
883 | ||
884 | asection *codesec = NULL; | |
885 | unsigned char *codebuf = NULL; | |
886 | size_t codelen = 0; | |
887 | ||
888 | asection *loadersec = NULL; | |
889 | unsigned char *loaderbuf = NULL; | |
890 | size_t loaderlen = 0; | |
891 | ||
892 | codesec = bfd_get_section_by_name (abfd, "code"); | |
893 | if (codesec != NULL) | |
894 | { | |
895 | codelen = bfd_section_size (abfd, codesec); | |
896 | codebuf = (unsigned char *) bfd_malloc (codelen); | |
897 | if (bfd_seek (abfd, codesec->filepos, SEEK_SET) < 0) { goto end; } | |
898 | if (bfd_bread ((PTR) codebuf, codelen, abfd) != codelen) { goto end; } | |
899 | } | |
900 | ||
901 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
902 | if (loadersec != NULL) | |
903 | { | |
904 | loaderlen = bfd_section_size (abfd, loadersec); | |
905 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); | |
906 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) { goto end; } | |
907 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) { goto end; } | |
908 | } | |
909 | ||
910 | count = 0; | |
911 | if (codesec != NULL) | |
912 | { | |
913 | unsigned long ncount = 0; | |
914 | bfd_pef_parse_traceback_tables (abfd, codesec, codebuf, codelen, &ncount, csym); | |
915 | count += ncount; | |
916 | } | |
917 | ||
918 | if ((codesec != NULL) && (loadersec != NULL)) | |
919 | { | |
920 | unsigned long ncount = 0; | |
921 | bfd_pef_parse_function_stubs | |
922 | (abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, &ncount, | |
923 | (csym != NULL) ? (csym + count) : NULL); | |
924 | count += ncount; | |
925 | } | |
926 | ||
927 | if (csym != NULL) { | |
928 | csym[count] = NULL; | |
929 | } | |
930 | ||
931 | end: | |
932 | if (codebuf != NULL) | |
933 | free (codebuf); | |
934 | ||
935 | if (loaderbuf != NULL) | |
936 | free (loaderbuf); | |
937 | ||
938 | return count; | |
939 | } | |
940 | ||
941 | static long | |
942 | bfd_pef_count_symbols (abfd) | |
943 | bfd *abfd; | |
944 | { | |
945 | return bfd_pef_parse_symbols (abfd, NULL); | |
946 | } | |
947 | ||
948 | static long | |
949 | bfd_pef_get_symtab_upper_bound (abfd) | |
950 | bfd *abfd; | |
951 | { | |
952 | long nsyms = bfd_pef_count_symbols (abfd); | |
953 | if (nsyms < 0) { return nsyms; } | |
954 | return ((nsyms + 1) * sizeof (asymbol *)); | |
955 | } | |
956 | ||
957 | static long | |
958 | bfd_pef_get_symtab (abfd, alocation) | |
959 | bfd *abfd; | |
960 | asymbol **alocation; | |
961 | { | |
962 | long i; | |
963 | asymbol *syms; | |
964 | long ret; | |
965 | ||
966 | long nsyms = bfd_pef_count_symbols (abfd); | |
967 | if (nsyms < 0) { return nsyms; } | |
968 | ||
969 | syms = bfd_alloc (abfd, nsyms * sizeof (asymbol)); | |
970 | if (syms == NULL) { return -1; } | |
971 | ||
972 | for (i = 0; i < nsyms; i++) { | |
973 | alocation[i] = &syms[i]; | |
974 | } | |
975 | alocation[nsyms] = NULL; | |
976 | ||
977 | ret = bfd_pef_parse_symbols (abfd, alocation); | |
978 | if (ret != nsyms) { | |
979 | return 0; | |
980 | } | |
981 | ||
982 | return ret; | |
983 | } | |
984 | ||
985 | static asymbol * | |
986 | bfd_pef_make_empty_symbol (abfd) | |
987 | bfd *abfd; | |
988 | { | |
989 | return (asymbol *) bfd_alloc (abfd, sizeof (asymbol)); | |
990 | } | |
991 | ||
992 | static void | |
993 | bfd_pef_get_symbol_info (abfd, symbol, ret) | |
994 | bfd *abfd ATTRIBUTE_UNUSED; | |
995 | asymbol *symbol; | |
996 | symbol_info *ret; | |
997 | { | |
998 | bfd_symbol_info (symbol, ret); | |
999 | } | |
1000 | ||
1001 | static int | |
1002 | bfd_pef_sizeof_headers (abfd, exec) | |
1003 | bfd *abfd ATTRIBUTE_UNUSED; | |
1004 | boolean exec ATTRIBUTE_UNUSED; | |
1005 | { | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | const bfd_target pef_vec = | |
1010 | { | |
1011 | "pef", /* name */ | |
1012 | bfd_target_pef_flavour, /* flavour */ | |
1013 | BFD_ENDIAN_BIG, /* byteorder */ | |
1014 | BFD_ENDIAN_BIG, /* header_byteorder */ | |
1015 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1016 | HAS_LINENO | HAS_DEBUG | | |
1017 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1018 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
1019 | | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */ | |
1020 | 0, /* symbol_leading_char */ | |
1021 | ' ', /* ar_pad_char */ | |
1022 | 16, /* ar_max_namelen */ | |
1023 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1024 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1025 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
1026 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1027 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1028 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1029 | { /* bfd_check_format */ | |
1030 | _bfd_dummy_target, | |
1031 | bfd_pef_object_p, /* bfd_check_format */ | |
1032 | _bfd_dummy_target, | |
1033 | _bfd_dummy_target, | |
1034 | }, | |
1035 | { /* bfd_set_format */ | |
1036 | bfd_false, | |
1037 | bfd_pef_mkobject, | |
1038 | bfd_false, | |
1039 | bfd_false, | |
1040 | }, | |
1041 | { /* bfd_write_contents */ | |
1042 | bfd_false, | |
1043 | bfd_true, | |
1044 | bfd_false, | |
1045 | bfd_false, | |
1046 | }, | |
1047 | ||
1048 | BFD_JUMP_TABLE_GENERIC (bfd_pef), | |
1049 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1050 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1051 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1052 | BFD_JUMP_TABLE_SYMBOLS (bfd_pef), | |
1053 | BFD_JUMP_TABLE_RELOCS (bfd_pef), | |
1054 | BFD_JUMP_TABLE_WRITE (bfd_pef), | |
1055 | BFD_JUMP_TABLE_LINK (bfd_pef), | |
1056 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1057 | ||
1058 | NULL, | |
1059 | ||
1060 | NULL | |
1061 | }; | |
1062 | ||
1063 | #define bfd_pef_xlib_close_and_cleanup _bfd_generic_close_and_cleanup | |
1064 | #define bfd_pef_xlib_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
1065 | #define bfd_pef_xlib_new_section_hook _bfd_generic_new_section_hook | |
1066 | #define bfd_pef_xlib_get_section_contents _bfd_generic_get_section_contents | |
1067 | #define bfd_pef_xlib_set_section_contents _bfd_generic_set_section_contents | |
1068 | #define bfd_pef_xlib_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
1069 | #define bfd_pef_xlib_set_section_contents_in_window _bfd_generic_set_section_contents_in_window | |
1070 | ||
1071 | static int | |
1072 | bfd_pef_xlib_read_header (abfd, header) | |
1073 | bfd *abfd; | |
1074 | bfd_pef_xlib_header *header; | |
1075 | { | |
1076 | unsigned char buf[76]; | |
1077 | ||
1078 | bfd_seek (abfd, 0, SEEK_SET); | |
1079 | ||
1080 | if (bfd_bread ((PTR) buf, 76, abfd) != 76) { return -1; } | |
1081 | ||
1082 | header->tag1 = bfd_getb32 (buf); | |
1083 | header->tag2 = bfd_getb32 (buf + 4); | |
1084 | header->current_format = bfd_getb32 (buf + 8); | |
1085 | header->container_strings_offset = bfd_getb32 (buf + 12); | |
1086 | header->export_hash_offset = bfd_getb32 (buf + 16); | |
1087 | header->export_key_offset = bfd_getb32 (buf + 20); | |
1088 | header->export_symbol_offset = bfd_getb32 (buf + 24); | |
1089 | header->export_names_offset = bfd_getb32 (buf + 28); | |
1090 | header->export_hash_table_power = bfd_getb32 (buf + 32); | |
1091 | header->exported_symbol_count = bfd_getb32 (buf + 36); | |
1092 | header->frag_name_offset = bfd_getb32 (buf + 40); | |
1093 | header->frag_name_length = bfd_getb32 (buf + 44); | |
1094 | header->dylib_path_offset = bfd_getb32 (buf + 48); | |
1095 | header->dylib_path_length = bfd_getb32 (buf + 52); | |
1096 | header->cpu_family = bfd_getb32 (buf + 56); | |
1097 | header->cpu_model = bfd_getb32 (buf + 60); | |
1098 | header->date_time_stamp = bfd_getb32 (buf + 64); | |
1099 | header->current_version = bfd_getb32 (buf + 68); | |
1100 | header->old_definition_version = bfd_getb32 (buf + 72); | |
1101 | header->old_implementation_version = bfd_getb32 (buf + 76); | |
1102 | ||
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | int | |
1107 | bfd_pef_xlib_scan (abfd, header) | |
1108 | bfd *abfd; | |
1109 | bfd_pef_xlib_header *header; | |
1110 | { | |
1111 | bfd_pef_xlib_data_struct *mdata = NULL; | |
1112 | ||
1113 | if ((header->tag1 != BFD_PEF_XLIB_TAG1) | |
1114 | || ((header->tag2 != BFD_PEF_VLIB_TAG2) && (header->tag2 != BFD_PEF_BLIB_TAG2))) { | |
1115 | return -1; | |
1116 | } | |
1117 | ||
1118 | mdata = ((bfd_pef_xlib_data_struct *) | |
1119 | bfd_alloc (abfd, sizeof (bfd_pef_xlib_data_struct))); | |
1120 | if (mdata == NULL) { return -1; } | |
1121 | ||
1122 | mdata->header = *header; | |
1123 | ||
1124 | abfd->flags = abfd->xvec->object_flags | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS)); | |
1125 | ||
1126 | abfd->tdata.pef_xlib_data = mdata; | |
1127 | ||
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | static const bfd_target * | |
1132 | bfd_pef_xlib_object_p (abfd) | |
1133 | bfd *abfd; | |
1134 | { | |
1135 | bfd_pef_xlib_header header; | |
1136 | ||
1137 | abfd->tdata.pef_xlib_data = NULL; | |
1138 | ||
1139 | if (bfd_pef_xlib_read_header (abfd, &header) != 0) { | |
1140 | abfd->tdata.pef_xlib_data = NULL; | |
1141 | bfd_set_error (bfd_error_wrong_format); | |
1142 | return NULL; | |
1143 | } | |
1144 | ||
1145 | if (bfd_pef_xlib_scan (abfd, &header) != 0) { | |
1146 | abfd->tdata.pef_xlib_data = NULL; | |
1147 | bfd_set_error (bfd_error_wrong_format); | |
1148 | return NULL; | |
1149 | } | |
1150 | ||
1151 | return abfd->xvec; | |
1152 | } | |
1153 | ||
1154 | const bfd_target pef_xlib_vec = | |
1155 | { | |
1156 | "pef-xlib", /* name */ | |
1157 | bfd_target_pef_xlib_flavour, /* flavour */ | |
1158 | BFD_ENDIAN_BIG, /* byteorder */ | |
1159 | BFD_ENDIAN_BIG, /* header_byteorder */ | |
1160 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1161 | HAS_LINENO | HAS_DEBUG | | |
1162 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1163 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
1164 | | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */ | |
1165 | 0, /* symbol_leading_char */ | |
1166 | ' ', /* ar_pad_char */ | |
1167 | 16, /* ar_max_namelen */ | |
1168 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1169 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1170 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
1171 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1172 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1173 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1174 | { /* bfd_check_format */ | |
1175 | _bfd_dummy_target, | |
1176 | bfd_pef_xlib_object_p, /* bfd_check_format */ | |
1177 | _bfd_dummy_target, | |
1178 | _bfd_dummy_target, | |
1179 | }, | |
1180 | { /* bfd_set_format */ | |
1181 | bfd_false, | |
1182 | bfd_pef_mkobject, | |
1183 | bfd_false, | |
1184 | bfd_false, | |
1185 | }, | |
1186 | { /* bfd_write_contents */ | |
1187 | bfd_false, | |
1188 | bfd_true, | |
1189 | bfd_false, | |
1190 | bfd_false, | |
1191 | }, | |
1192 | ||
1193 | BFD_JUMP_TABLE_GENERIC (bfd_pef_xlib), | |
1194 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1195 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1196 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1197 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
1198 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
1199 | BFD_JUMP_TABLE_WRITE (_bfd_nowrite), | |
1200 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
1201 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1202 | ||
1203 | NULL, | |
1204 | ||
1205 | NULL | |
1206 | }; | |
1207 |