Commit | Line | Data |
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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 | |
e84d6fca | 18 | along with this program; if not, write to the Free Software |
3af9a47b NC |
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 | |
e84d6fca | 73 | PARAMS ((unsigned long architecture, |
3af9a47b | 74 | enum bfd_architecture *type, unsigned long *subtype)); |
b34976b6 | 75 | static bfd_boolean bfd_pef_mkobject PARAMS ((bfd *abfd)); |
3af9a47b NC |
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)); | |
e84d6fca AM |
81 | static asection *bfd_pef_make_bfd_section |
82 | PARAMS ((bfd *abfd, bfd_pef_section *section)); | |
3af9a47b NC |
83 | static int bfd_pef_read_header PARAMS ((bfd *abfd, bfd_pef_header *header)); |
84 | static const bfd_target *bfd_pef_object_p PARAMS ((bfd *)); | |
85 | static int bfd_pef_parse_traceback_tables | |
86 | PARAMS ((bfd *abfd, asection *sec, unsigned char *buf, | |
87 | size_t len, long *nsym, asymbol **csym)); | |
88 | static int bfd_pef_parse_function_stub | |
89 | PARAMS ((bfd *abfd, unsigned char *buf, size_t len, unsigned long *offset)); | |
e84d6fca | 90 | static int bfd_pef_parse_function_stubs |
3af9a47b | 91 | PARAMS ((bfd *abfd, asection *codesec, unsigned char *codebuf, size_t codelen, |
e84d6fca AM |
92 | unsigned char *loaderbuf, size_t loaderlen, unsigned long *nsym, |
93 | asymbol **csym)); | |
3af9a47b NC |
94 | static long bfd_pef_parse_symbols PARAMS ((bfd *abfd, asymbol **csym)); |
95 | static long bfd_pef_count_symbols PARAMS ((bfd *abfd)); | |
96 | static long bfd_pef_get_symtab_upper_bound PARAMS ((bfd *)); | |
97 | static long bfd_pef_get_symtab PARAMS ((bfd *, asymbol **)); | |
98 | static asymbol *bfd_pef_make_empty_symbol PARAMS ((bfd *)); | |
99 | static void bfd_pef_get_symbol_info PARAMS ((bfd *, asymbol *, symbol_info *)); | |
b34976b6 | 100 | static int bfd_pef_sizeof_headers PARAMS ((bfd *, bfd_boolean)); |
3af9a47b | 101 | |
e84d6fca AM |
102 | static int bfd_pef_xlib_read_header |
103 | PARAMS ((bfd *abfd, bfd_pef_xlib_header *header)); | |
3af9a47b NC |
104 | static int bfd_pef_xlib_scan PARAMS ((bfd *abfd, bfd_pef_xlib_header *header)); |
105 | static const bfd_target *bfd_pef_xlib_object_p PARAMS ((bfd *abfd)); | |
106 | ||
107 | static void | |
108 | bfd_pef_print_symbol (abfd, afile, symbol, how) | |
109 | bfd *abfd; | |
110 | PTR afile; | |
111 | asymbol *symbol; | |
112 | bfd_print_symbol_type how; | |
113 | { | |
114 | FILE *file = (FILE *) afile; | |
e84d6fca AM |
115 | switch (how) |
116 | { | |
117 | case bfd_print_symbol_name: | |
118 | fprintf (file, "%s", symbol->name); | |
119 | break; | |
120 | default: | |
121 | bfd_print_symbol_vandf (abfd, (PTR) file, symbol); | |
122 | fprintf (file, " %-5s %s", symbol->section->name, symbol->name); | |
123 | if (strncmp (symbol->name, "__traceback_", strlen ("__traceback_")) == 0) | |
124 | { | |
125 | char *buf = alloca (symbol->udata.i); | |
126 | size_t offset = symbol->value + 4; | |
127 | size_t len = symbol->udata.i; | |
128 | int ret; | |
129 | ||
130 | bfd_get_section_contents (abfd, symbol->section, buf, offset, len); | |
131 | ret = bfd_pef_parse_traceback_table (abfd, symbol->section, buf, | |
132 | len, 0, NULL, file); | |
133 | if (ret < 0) | |
134 | fprintf (file, " [ERROR]"); | |
135 | } | |
3af9a47b | 136 | } |
3af9a47b NC |
137 | } |
138 | ||
e84d6fca AM |
139 | static void |
140 | bfd_pef_convert_architecture (architecture, type, subtype) | |
3af9a47b NC |
141 | unsigned long architecture; |
142 | enum bfd_architecture *type; | |
143 | unsigned long *subtype; | |
144 | { | |
3af9a47b NC |
145 | const unsigned long ARCH_POWERPC = 0x70777063; /* 'pwpc' */ |
146 | const unsigned long ARCH_M68K = 0x6d36386b; /* 'm68k' */ | |
e84d6fca | 147 | |
eddc4f81 KD |
148 | *subtype = bfd_arch_unknown; |
149 | *type = bfd_arch_unknown; | |
150 | ||
3af9a47b NC |
151 | if (architecture == ARCH_POWERPC) |
152 | *type = bfd_arch_powerpc; | |
153 | else if (architecture == ARCH_M68K) | |
154 | *type = bfd_arch_m68k; | |
155 | } | |
156 | ||
b34976b6 | 157 | static bfd_boolean |
3af9a47b NC |
158 | bfd_pef_mkobject (abfd) |
159 | bfd *abfd ATTRIBUTE_UNUSED; | |
160 | { | |
b34976b6 | 161 | return TRUE; |
3af9a47b NC |
162 | } |
163 | ||
164 | static int | |
165 | bfd_pef_parse_traceback_table (abfd, section, buf, len, pos, sym, file) | |
166 | bfd *abfd; | |
167 | asection *section; | |
168 | unsigned char *buf; | |
169 | size_t len; | |
170 | size_t pos; | |
171 | asymbol *sym; | |
172 | FILE *file; | |
173 | { | |
174 | struct traceback_table table; | |
175 | size_t offset; | |
176 | const char *s; | |
177 | asymbol tmpsymbol; | |
e84d6fca AM |
178 | |
179 | if (sym == NULL) | |
180 | sym = &tmpsymbol; | |
3af9a47b NC |
181 | |
182 | sym->name = NULL; | |
183 | sym->value = 0; | |
184 | sym->the_bfd = abfd; | |
185 | sym->section = section; | |
186 | sym->flags = 0; | |
187 | sym->udata.i = 0; | |
188 | ||
189 | /* memcpy is fine since all fields are unsigned char */ | |
190 | ||
e84d6fca AM |
191 | if ((pos + 8) > len) |
192 | return -1; | |
3af9a47b | 193 | memcpy (&table, buf + pos, 8); |
3af9a47b | 194 | |
e84d6fca AM |
195 | /* calling code relies on returned symbols having a name and |
196 | correct offset */ | |
197 | ||
198 | if ((table.lang != TB_C) && (table.lang != TB_CPLUSPLUS)) | |
3af9a47b | 199 | return -1; |
e84d6fca AM |
200 | |
201 | if (! (table.flags2 & TB_NAME_PRESENT)) | |
3af9a47b | 202 | return -1; |
e84d6fca AM |
203 | |
204 | if (! table.flags1 & TB_HAS_TBOFF) | |
3af9a47b | 205 | return -1; |
3af9a47b NC |
206 | |
207 | offset = 8; | |
208 | ||
e84d6fca AM |
209 | if ((table.flags5 & TB_FLOATPARAMS) || (table.fixedparams)) |
210 | offset += 4; | |
3af9a47b | 211 | |
e84d6fca AM |
212 | if (table.flags1 & TB_HAS_TBOFF) |
213 | { | |
214 | struct traceback_table_tboff off; | |
3af9a47b | 215 | |
e84d6fca AM |
216 | if ((pos + offset + 4) > len) |
217 | return -1; | |
218 | off.tb_offset = bfd_getb32 (buf + pos + offset); | |
219 | offset += 4; | |
3af9a47b | 220 | |
e84d6fca AM |
221 | /* need to subtract 4 because the offset includes the 0x0L |
222 | preceding the table */ | |
3af9a47b | 223 | |
e84d6fca AM |
224 | if (file != NULL) |
225 | fprintf (file, " [offset = 0x%lx]", off.tb_offset); | |
3af9a47b | 226 | |
e84d6fca AM |
227 | if ((file == NULL) && ((off.tb_offset + 4) > (pos + offset))) |
228 | return -1; | |
229 | ||
230 | sym->value = pos - off.tb_offset - 4; | |
3af9a47b | 231 | } |
3af9a47b | 232 | |
e84d6fca | 233 | if (table.flags2 & TB_INT_HNDL) |
3af9a47b | 234 | offset += 4; |
3af9a47b | 235 | |
e84d6fca AM |
236 | if (table.flags1 & TB_HAS_CTL) |
237 | { | |
238 | struct traceback_table_anchors anchors; | |
3af9a47b | 239 | |
e84d6fca AM |
240 | if ((pos + offset + 4) > len) |
241 | return -1; | |
242 | anchors.ctl_info = bfd_getb32 (buf + pos + offset); | |
243 | offset += 4; | |
3af9a47b | 244 | |
e84d6fca AM |
245 | if (anchors.ctl_info > 1024) |
246 | return -1; | |
3af9a47b | 247 | |
e84d6fca | 248 | offset += anchors.ctl_info * 4; |
3af9a47b NC |
249 | } |
250 | ||
e84d6fca AM |
251 | if (table.flags2 & TB_NAME_PRESENT) |
252 | { | |
253 | struct traceback_table_routine name; | |
254 | char *namebuf; | |
3af9a47b | 255 | |
e84d6fca AM |
256 | if ((pos + offset + 2) > len) |
257 | return -1; | |
258 | name.name_len = bfd_getb16 (buf + pos + offset); | |
259 | offset += 2; | |
3af9a47b | 260 | |
e84d6fca AM |
261 | if (name.name_len > 4096) |
262 | return -1; | |
3af9a47b | 263 | |
e84d6fca AM |
264 | if ((pos + offset + name.name_len) > len) |
265 | return -1; | |
3af9a47b | 266 | |
e84d6fca AM |
267 | namebuf = (char *) bfd_alloc (abfd, name.name_len + 1); |
268 | if (namebuf == NULL) | |
269 | return -1; | |
3af9a47b | 270 | |
e84d6fca AM |
271 | memcpy (namebuf, buf + pos + offset, name.name_len); |
272 | namebuf[name.name_len] = '\0'; | |
3af9a47b | 273 | |
e84d6fca AM |
274 | /* strip leading period inserted by compiler */ |
275 | if (namebuf[0] == '.') | |
276 | memmove (namebuf, namebuf + 1, name.name_len + 1); | |
3af9a47b | 277 | |
e84d6fca | 278 | sym->name = namebuf; |
3af9a47b | 279 | |
e84d6fca AM |
280 | for (s = sym->name; (*s != '\0'); s++) |
281 | if (! isprint (*s)) | |
282 | return -1; | |
3af9a47b | 283 | |
e84d6fca | 284 | offset += name.name_len; |
3af9a47b NC |
285 | } |
286 | ||
e84d6fca | 287 | if (table.flags2 & TB_USES_ALLOCA) |
3af9a47b | 288 | offset += 4; |
3af9a47b | 289 | |
e84d6fca | 290 | if (table.flags4 & TB_HAS_VEC_INFO) |
3af9a47b | 291 | offset += 4; |
3af9a47b | 292 | |
e84d6fca | 293 | if (file != NULL) |
3af9a47b | 294 | fprintf (file, " [length = 0x%lx]", (long) offset); |
e84d6fca | 295 | |
3af9a47b NC |
296 | return offset; |
297 | } | |
298 | ||
299 | static const char *bfd_pef_section_name (section) | |
300 | bfd_pef_section *section; | |
301 | { | |
e84d6fca AM |
302 | switch (section->section_kind) |
303 | { | |
304 | case BFD_PEF_SECTION_CODE: return "code"; | |
305 | case BFD_PEF_SECTION_UNPACKED_DATA: return "unpacked-data"; | |
306 | case BFD_PEF_SECTION_PACKED_DATA: return "packed-data"; | |
307 | case BFD_PEF_SECTION_CONSTANT: return "constant"; | |
308 | case BFD_PEF_SECTION_LOADER: return "loader"; | |
309 | case BFD_PEF_SECTION_DEBUG: return "debug"; | |
310 | case BFD_PEF_SECTION_EXEC_DATA: return "exec-data"; | |
311 | case BFD_PEF_SECTION_EXCEPTION: return "exception"; | |
312 | case BFD_PEF_SECTION_TRACEBACK: return "traceback"; | |
313 | default: return "unknown"; | |
314 | } | |
3af9a47b NC |
315 | } |
316 | ||
317 | static unsigned long bfd_pef_section_flags (section) | |
318 | bfd_pef_section *section; | |
319 | { | |
e84d6fca AM |
320 | switch (section->section_kind) |
321 | { | |
322 | case BFD_PEF_SECTION_CODE: | |
323 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; | |
324 | case BFD_PEF_SECTION_UNPACKED_DATA: | |
325 | case BFD_PEF_SECTION_PACKED_DATA: | |
326 | case BFD_PEF_SECTION_CONSTANT: | |
327 | case BFD_PEF_SECTION_LOADER: | |
328 | case BFD_PEF_SECTION_DEBUG: | |
329 | case BFD_PEF_SECTION_EXEC_DATA: | |
330 | case BFD_PEF_SECTION_EXCEPTION: | |
331 | case BFD_PEF_SECTION_TRACEBACK: | |
332 | default: | |
333 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; | |
334 | } | |
3af9a47b NC |
335 | } |
336 | ||
337 | static asection * | |
338 | bfd_pef_make_bfd_section (abfd, section) | |
339 | bfd *abfd; | |
340 | bfd_pef_section *section; | |
341 | { | |
342 | asection *bfdsec; | |
343 | const char *name = bfd_pef_section_name (section); | |
344 | ||
345 | bfdsec = bfd_make_section_anyway (abfd, name); | |
e84d6fca AM |
346 | if (bfdsec == NULL) |
347 | return NULL; | |
348 | ||
3af9a47b NC |
349 | bfdsec->vma = section->default_address + section->container_offset; |
350 | bfdsec->lma = section->default_address + section->container_offset; | |
351 | bfdsec->_raw_size = section->container_length; | |
352 | bfdsec->filepos = section->container_offset; | |
353 | bfdsec->alignment_power = section->alignment; | |
354 | ||
355 | bfdsec->flags = bfd_pef_section_flags (section); | |
356 | ||
357 | return bfdsec; | |
358 | } | |
359 | ||
360 | int bfd_pef_parse_loader_header (abfd, buf, len, header) | |
361 | bfd *abfd ATTRIBUTE_UNUSED; | |
362 | unsigned char *buf; | |
363 | size_t len; | |
364 | bfd_pef_loader_header *header; | |
365 | { | |
366 | BFD_ASSERT (len == 56); | |
367 | ||
368 | header->main_section = bfd_getb32 (buf); | |
369 | header->main_offset = bfd_getb32 (buf + 4); | |
370 | header->init_section = bfd_getb32 (buf + 8); | |
371 | header->init_offset = bfd_getb32 (buf + 12); | |
372 | header->term_section = bfd_getb32 (buf + 16); | |
373 | header->term_offset = bfd_getb32 (buf + 20); | |
374 | header->imported_library_count = bfd_getb32 (buf + 24); | |
375 | header->total_imported_symbol_count = bfd_getb32 (buf + 28); | |
376 | header->reloc_section_count = bfd_getb32 (buf + 32); | |
377 | header->reloc_instr_offset = bfd_getb32 (buf + 36); | |
378 | header->loader_strings_offset = bfd_getb32 (buf + 40); | |
379 | header->export_hash_offset = bfd_getb32 (buf + 44); | |
380 | header->export_hash_table_power = bfd_getb32 (buf + 48); | |
381 | header->exported_symbol_count = bfd_getb32 (buf + 52); | |
382 | ||
383 | return 0; | |
384 | } | |
385 | ||
386 | int bfd_pef_parse_imported_library (abfd, buf, len, header) | |
387 | bfd *abfd ATTRIBUTE_UNUSED; | |
388 | unsigned char *buf; | |
389 | size_t len; | |
390 | bfd_pef_imported_library *header; | |
391 | { | |
392 | BFD_ASSERT (len == 24); | |
393 | ||
394 | header->name_offset = bfd_getb32 (buf); | |
395 | header->old_implementation_version = bfd_getb32 (buf + 4); | |
396 | header->current_version = bfd_getb32 (buf + 8); | |
397 | header->imported_symbol_count = bfd_getb32 (buf + 12); | |
398 | header->first_imported_symbol = bfd_getb32 (buf + 16); | |
399 | header->options = buf[20]; | |
400 | header->reserved_a = buf[21]; | |
401 | header->reserved_b = bfd_getb16 (buf + 22); | |
402 | ||
403 | return 0; | |
404 | } | |
405 | ||
406 | int bfd_pef_parse_imported_symbol (abfd, buf, len, symbol) | |
407 | bfd *abfd ATTRIBUTE_UNUSED; | |
408 | unsigned char *buf; | |
409 | size_t len; | |
410 | bfd_pef_imported_symbol *symbol; | |
411 | { | |
412 | unsigned long value; | |
413 | ||
414 | BFD_ASSERT (len == 4); | |
415 | ||
416 | value = bfd_getb32 (buf); | |
417 | symbol->class = value >> 24; | |
418 | symbol->name = value & 0x00ffffff; | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
423 | int bfd_pef_scan_section (abfd, section) | |
424 | bfd *abfd; | |
425 | bfd_pef_section *section; | |
426 | { | |
427 | unsigned char buf[28]; | |
e84d6fca | 428 | |
3af9a47b | 429 | bfd_seek (abfd, section->header_offset, SEEK_SET); |
e84d6fca AM |
430 | if (bfd_bread ((PTR) buf, 28, abfd) != 28) |
431 | return -1; | |
3af9a47b NC |
432 | |
433 | section->name_offset = bfd_h_get_32 (abfd, buf); | |
434 | section->default_address = bfd_h_get_32 (abfd, buf + 4); | |
435 | section->total_length = bfd_h_get_32 (abfd, buf + 8); | |
436 | section->unpacked_length = bfd_h_get_32 (abfd, buf + 12); | |
437 | section->container_length = bfd_h_get_32 (abfd, buf + 16); | |
438 | section->container_offset = bfd_h_get_32 (abfd, buf + 20); | |
439 | section->section_kind = buf[24]; | |
440 | section->share_kind = buf[25]; | |
441 | section->alignment = buf[26]; | |
442 | section->reserved = buf[27]; | |
443 | ||
444 | section->bfd_section = bfd_pef_make_bfd_section (abfd, section); | |
e84d6fca AM |
445 | if (section->bfd_section == NULL) |
446 | return -1; | |
3af9a47b NC |
447 | |
448 | return 0; | |
449 | } | |
450 | ||
451 | void | |
452 | bfd_pef_print_loader_header (abfd, header, file) | |
453 | bfd *abfd ATTRIBUTE_UNUSED; | |
454 | bfd_pef_loader_header *header; | |
455 | FILE *file; | |
456 | { | |
457 | fprintf (file, "main_section: %ld\n", header->main_section); | |
458 | fprintf (file, "main_offset: %lu\n", header->main_offset); | |
459 | fprintf (file, "init_section: %ld\n", header->init_section); | |
460 | fprintf (file, "init_offset: %lu\n", header->init_offset); | |
461 | fprintf (file, "term_section: %ld\n", header->term_section); | |
462 | fprintf (file, "term_offset: %lu\n", header->term_offset); | |
e84d6fca AM |
463 | fprintf (file, "imported_library_count: %lu\n", |
464 | header->imported_library_count); | |
465 | fprintf (file, "total_imported_symbol_count: %lu\n", | |
466 | header->total_imported_symbol_count); | |
3af9a47b NC |
467 | fprintf (file, "reloc_section_count: %lu\n", header->reloc_section_count); |
468 | fprintf (file, "reloc_instr_offset: %lu\n", header->reloc_instr_offset); | |
e84d6fca AM |
469 | fprintf (file, "loader_strings_offset: %lu\n", |
470 | header->loader_strings_offset); | |
3af9a47b | 471 | fprintf (file, "export_hash_offset: %lu\n", header->export_hash_offset); |
e84d6fca AM |
472 | fprintf (file, "export_hash_table_power: %lu\n", |
473 | header->export_hash_table_power); | |
474 | fprintf (file, "exported_symbol_count: %lu\n", | |
475 | header->exported_symbol_count); | |
3af9a47b NC |
476 | } |
477 | ||
478 | int | |
479 | bfd_pef_print_loader_section (abfd, file) | |
480 | bfd *abfd; | |
481 | FILE *file; | |
482 | { | |
483 | bfd_pef_loader_header header; | |
484 | asection *loadersec = NULL; | |
485 | unsigned char *loaderbuf = NULL; | |
486 | size_t loaderlen = 0; | |
487 | int ret; | |
488 | ||
489 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
e84d6fca AM |
490 | if (loadersec == NULL) |
491 | return -1; | |
492 | ||
3af9a47b NC |
493 | loaderlen = bfd_section_size (abfd, loadersec); |
494 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); | |
495 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) | |
e84d6fca AM |
496 | { |
497 | free (loaderbuf); | |
498 | return -1; | |
499 | } | |
3af9a47b | 500 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) |
e84d6fca AM |
501 | { |
502 | free (loaderbuf); | |
503 | return -1; | |
504 | } | |
3af9a47b | 505 | |
e84d6fca AM |
506 | if (loaderlen < 56) |
507 | { | |
508 | free (loaderbuf); | |
509 | return -1; | |
510 | } | |
3af9a47b | 511 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); |
e84d6fca AM |
512 | if (ret < 0) |
513 | { | |
514 | free (loaderbuf); | |
515 | return -1; | |
516 | } | |
3af9a47b NC |
517 | |
518 | bfd_pef_print_loader_header (abfd, &header, file); | |
519 | return 0; | |
520 | } | |
521 | ||
522 | int | |
523 | bfd_pef_scan_start_address (abfd) | |
524 | bfd *abfd; | |
525 | { | |
526 | bfd_pef_loader_header header; | |
527 | asection *section; | |
528 | ||
529 | asection *loadersec = NULL; | |
530 | unsigned char *loaderbuf = NULL; | |
531 | size_t loaderlen = 0; | |
532 | int ret; | |
533 | ||
534 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
e84d6fca AM |
535 | if (loadersec == NULL) |
536 | goto end; | |
537 | ||
3af9a47b NC |
538 | loaderlen = bfd_section_size (abfd, loadersec); |
539 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); | |
e84d6fca AM |
540 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
541 | goto error; | |
542 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) | |
543 | goto error; | |
3af9a47b | 544 | |
e84d6fca AM |
545 | if (loaderlen < 56) |
546 | goto error; | |
3af9a47b | 547 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); |
e84d6fca AM |
548 | if (ret < 0) |
549 | goto error; | |
550 | ||
551 | if (header.main_section < 0) | |
552 | goto end; | |
553 | ||
554 | for (section = abfd->sections; section != NULL; section = section->next) | |
555 | if ((section->index + 1) == header.main_section) | |
556 | break; | |
3af9a47b | 557 | |
e84d6fca AM |
558 | if (section == NULL) |
559 | goto error; | |
3af9a47b | 560 | |
3af9a47b NC |
561 | abfd->start_address = section->vma + header.main_offset; |
562 | ||
563 | end: | |
e84d6fca AM |
564 | if (loaderbuf != NULL) |
565 | free (loaderbuf); | |
3af9a47b NC |
566 | return 0; |
567 | ||
568 | error: | |
e84d6fca AM |
569 | if (loaderbuf != NULL) |
570 | free (loaderbuf); | |
3af9a47b NC |
571 | return -1; |
572 | } | |
573 | ||
574 | int | |
e84d6fca | 575 | bfd_pef_scan (abfd, header, mdata) |
3af9a47b NC |
576 | bfd *abfd; |
577 | bfd_pef_header *header; | |
e84d6fca | 578 | bfd_pef_data_struct *mdata; |
3af9a47b NC |
579 | { |
580 | unsigned int i; | |
3af9a47b NC |
581 | enum bfd_architecture cputype; |
582 | unsigned long cpusubtype; | |
583 | ||
e84d6fca | 584 | mdata->header = *header; |
3af9a47b | 585 | |
3af9a47b | 586 | bfd_pef_convert_architecture (header->architecture, &cputype, &cpusubtype); |
e84d6fca AM |
587 | if (cputype == bfd_arch_unknown) |
588 | { | |
589 | fprintf (stderr, "bfd_pef_scan: unknown architecture 0x%lx\n", | |
590 | header->architecture); | |
591 | return -1; | |
592 | } | |
3af9a47b NC |
593 | bfd_set_arch_mach (abfd, cputype, cpusubtype); |
594 | ||
595 | mdata->header = *header; | |
596 | ||
e84d6fca AM |
597 | abfd->flags = (abfd->xvec->object_flags |
598 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b | 599 | |
e84d6fca AM |
600 | if (header->section_count != 0) |
601 | { | |
602 | mdata->sections = | |
603 | ((bfd_pef_section *) | |
604 | bfd_alloc (abfd, header->section_count * sizeof (bfd_pef_section))); | |
3af9a47b | 605 | |
e84d6fca | 606 | if (mdata->sections == NULL) |
3af9a47b | 607 | return -1; |
e84d6fca AM |
608 | |
609 | for (i = 0; i < header->section_count; i++) | |
610 | { | |
611 | bfd_pef_section *cur = &mdata->sections[i]; | |
612 | cur->header_offset = 40 + (i * 28); | |
613 | if (bfd_pef_scan_section (abfd, cur) < 0) | |
614 | return -1; | |
615 | } | |
3af9a47b | 616 | } |
3af9a47b | 617 | |
e84d6fca AM |
618 | if (bfd_pef_scan_start_address (abfd) < 0) |
619 | { | |
3af9a47b | 620 | #if 0 |
e84d6fca AM |
621 | fprintf (stderr, "bfd_pef_scan: unable to scan start address: %s\n", |
622 | bfd_errmsg (bfd_get_error ())); | |
623 | return -1; | |
3af9a47b | 624 | #endif |
e84d6fca | 625 | } |
3af9a47b NC |
626 | |
627 | abfd->tdata.pef_data = mdata; | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | static int | |
633 | bfd_pef_read_header (abfd, header) | |
634 | bfd *abfd; | |
635 | bfd_pef_header *header; | |
636 | { | |
637 | unsigned char buf[40]; | |
638 | ||
639 | bfd_seek (abfd, 0, SEEK_SET); | |
640 | ||
e84d6fca AM |
641 | if (bfd_bread ((PTR) buf, 40, abfd) != 40) |
642 | return -1; | |
3af9a47b NC |
643 | |
644 | header->tag1 = bfd_getb32 (buf); | |
645 | header->tag2 = bfd_getb32 (buf + 4); | |
646 | header->architecture = bfd_getb32 (buf + 8); | |
647 | header->format_version = bfd_getb32 (buf + 12); | |
648 | header->timestamp = bfd_getb32 (buf + 16); | |
649 | header->old_definition_version = bfd_getb32 (buf + 20); | |
650 | header->old_implementation_version = bfd_getb32 (buf + 24); | |
651 | header->current_version = bfd_getb32 (buf + 28); | |
652 | header->section_count = bfd_getb32 (buf + 32) + 1; | |
653 | header->instantiated_section_count = bfd_getb32 (buf + 34); | |
654 | header->reserved = bfd_getb32 (buf + 36); | |
655 | ||
656 | return 0; | |
657 | } | |
658 | ||
659 | static const bfd_target * | |
660 | bfd_pef_object_p (abfd) | |
661 | bfd *abfd; | |
662 | { | |
e84d6fca | 663 | struct bfd_preserve preserve; |
3af9a47b | 664 | bfd_pef_header header; |
3af9a47b | 665 | |
e84d6fca AM |
666 | preserve.marker = NULL; |
667 | if (bfd_pef_read_header (abfd, &header) != 0) | |
668 | goto wrong; | |
3af9a47b | 669 | |
e84d6fca AM |
670 | if (header.tag1 != BFD_PEF_TAG1 || header.tag2 != BFD_PEF_TAG2) |
671 | goto wrong; | |
672 | ||
673 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_pef_data_struct)); | |
674 | if (preserve.marker == NULL | |
675 | || !bfd_preserve_save (abfd, &preserve)) | |
676 | goto fail; | |
3af9a47b | 677 | |
e84d6fca AM |
678 | if (bfd_pef_scan (abfd, &header, |
679 | (bfd_pef_data_struct *) preserve.marker) != 0) | |
680 | goto wrong; | |
681 | ||
682 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b | 683 | return abfd->xvec; |
e84d6fca AM |
684 | |
685 | wrong: | |
686 | bfd_set_error (bfd_error_wrong_format); | |
687 | ||
688 | fail: | |
689 | if (preserve.marker != NULL) | |
690 | bfd_preserve_restore (abfd, &preserve); | |
691 | return NULL; | |
3af9a47b NC |
692 | } |
693 | ||
694 | static int bfd_pef_parse_traceback_tables (abfd, sec, buf, len, nsym, csym) | |
695 | bfd *abfd; | |
696 | asection *sec; | |
697 | unsigned char *buf; | |
698 | size_t len; | |
699 | long *nsym; | |
700 | asymbol **csym; | |
701 | { | |
702 | char *name; | |
703 | ||
704 | asymbol function; | |
705 | asymbol traceback; | |
706 | ||
707 | const char *const tbprefix = "__traceback_"; | |
708 | size_t tbnamelen; | |
709 | ||
710 | size_t pos = 0; | |
711 | unsigned long count = 0; | |
712 | int ret; | |
713 | ||
e84d6fca AM |
714 | for (;;) |
715 | { | |
716 | /* we're reading symbols two at a time */ | |
3af9a47b | 717 | |
e84d6fca AM |
718 | if (csym && ((csym[count] == NULL) || (csym[count + 1] == NULL))) |
719 | break; | |
3af9a47b | 720 | |
e84d6fca AM |
721 | pos += 3; |
722 | pos -= (pos % 4); | |
3af9a47b | 723 | |
e84d6fca AM |
724 | while ((pos + 4) <= len) |
725 | { | |
726 | if (bfd_getb32 (buf + pos) == 0) | |
727 | break; | |
728 | pos += 4; | |
729 | } | |
3af9a47b | 730 | |
e84d6fca AM |
731 | if ((pos + 4) > len) |
732 | break; | |
3af9a47b | 733 | |
e84d6fca AM |
734 | ret = bfd_pef_parse_traceback_table (abfd, sec, buf, len, pos + 4, |
735 | &function, 0); | |
736 | if (ret < 0) | |
737 | { | |
738 | /* skip over 0x0L to advance to next possible traceback table */ | |
739 | pos += 4; | |
740 | continue; | |
741 | } | |
3af9a47b | 742 | |
e84d6fca AM |
743 | BFD_ASSERT (function.name != NULL); |
744 | ||
745 | /* Don't bother to compute the name if we are just | |
746 | counting symbols */ | |
747 | ||
748 | if (csym) | |
749 | { | |
750 | tbnamelen = strlen (tbprefix) + strlen (function.name); | |
751 | name = bfd_alloc (abfd, tbnamelen + 1); | |
752 | if (name == NULL) | |
753 | { | |
754 | bfd_release (abfd, (PTR) function.name); | |
755 | function.name = NULL; | |
756 | break; | |
757 | } | |
758 | snprintf (name, tbnamelen + 1, "%s%s", tbprefix, function.name); | |
759 | traceback.name = name; | |
760 | traceback.value = pos; | |
761 | traceback.the_bfd = abfd; | |
762 | traceback.section = sec; | |
763 | traceback.flags = 0; | |
764 | traceback.udata.i = ret; | |
765 | ||
766 | *(csym[count]) = function; | |
767 | *(csym[count + 1]) = traceback; | |
3af9a47b | 768 | } |
3af9a47b | 769 | |
e84d6fca AM |
770 | pos += ret; |
771 | count += 2; | |
772 | } | |
3af9a47b NC |
773 | |
774 | *nsym = count; | |
775 | return 0; | |
776 | } | |
777 | ||
778 | static int bfd_pef_parse_function_stub (abfd, buf, len, offset) | |
779 | bfd *abfd ATTRIBUTE_UNUSED; | |
780 | unsigned char *buf; | |
781 | size_t len; | |
782 | unsigned long *offset; | |
783 | { | |
784 | BFD_ASSERT (len == 24); | |
785 | ||
e84d6fca AM |
786 | if ((bfd_getb32 (buf) & 0xffff0000) != 0x81820000) |
787 | return -1; | |
788 | if (bfd_getb32 (buf + 4) != 0x90410014) | |
789 | return -1; | |
790 | if (bfd_getb32 (buf + 8) != 0x800c0000) | |
791 | return -1; | |
792 | if (bfd_getb32 (buf + 12) != 0x804c0004) | |
793 | return -1; | |
794 | if (bfd_getb32 (buf + 16) != 0x7c0903a6) | |
795 | return -1; | |
796 | if (bfd_getb32 (buf + 20) != 0x4e800420) | |
797 | return -1; | |
798 | ||
799 | if (offset != NULL) | |
3af9a47b | 800 | *offset = (bfd_getb32 (buf) & 0x0000ffff) / 4; |
3af9a47b NC |
801 | |
802 | return 0; | |
803 | } | |
804 | ||
e84d6fca AM |
805 | static int bfd_pef_parse_function_stubs (abfd, codesec, codebuf, codelen, |
806 | loaderbuf, loaderlen, nsym, csym) | |
3af9a47b NC |
807 | bfd *abfd; |
808 | asection *codesec; | |
809 | unsigned char *codebuf; | |
810 | size_t codelen; | |
811 | unsigned char *loaderbuf; | |
812 | size_t loaderlen; | |
813 | unsigned long *nsym; | |
814 | asymbol **csym; | |
815 | { | |
816 | const char *const sprefix = "__stub_"; | |
817 | ||
818 | size_t codepos = 0; | |
819 | unsigned long count = 0; | |
820 | ||
821 | bfd_pef_loader_header header; | |
822 | bfd_pef_imported_library *libraries = NULL; | |
823 | bfd_pef_imported_symbol *imports = NULL; | |
824 | ||
825 | unsigned long i; | |
826 | int ret; | |
827 | ||
e84d6fca AM |
828 | if (loaderlen < 56) |
829 | goto error; | |
3af9a47b NC |
830 | |
831 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); | |
e84d6fca AM |
832 | if (ret < 0) |
833 | goto error; | |
3af9a47b NC |
834 | |
835 | libraries = (bfd_pef_imported_library *) bfd_malloc | |
836 | (header.imported_library_count * sizeof (bfd_pef_imported_library)); | |
837 | imports = (bfd_pef_imported_symbol *) bfd_malloc | |
838 | (header.total_imported_symbol_count * sizeof (bfd_pef_imported_symbol)); | |
e84d6fca AM |
839 | |
840 | if (loaderlen < (56 + (header.imported_library_count * 24))) | |
841 | goto error; | |
842 | for (i = 0; i < header.imported_library_count; i++) | |
843 | { | |
844 | ret = bfd_pef_parse_imported_library | |
845 | (abfd, loaderbuf + 56 + (i * 24), 24, &libraries[i]); | |
846 | if (ret < 0) | |
847 | goto error; | |
848 | } | |
849 | ||
850 | if (loaderlen < (56 + (header.imported_library_count * 24) | |
851 | + (header.total_imported_symbol_count * 4))) | |
852 | goto error; | |
853 | for (i = 0; i < header.total_imported_symbol_count; i++) | |
854 | { | |
855 | ret = (bfd_pef_parse_imported_symbol | |
856 | (abfd, | |
857 | loaderbuf + 56 + (header.imported_library_count * 24) + (i * 4), | |
858 | 4, &imports[i])); | |
859 | if (ret < 0) | |
860 | goto error; | |
861 | } | |
862 | ||
3af9a47b NC |
863 | codepos = 0; |
864 | ||
e84d6fca AM |
865 | for (;;) |
866 | { | |
867 | asymbol sym; | |
868 | const char *symname; | |
869 | char *name; | |
870 | unsigned long index; | |
871 | int ret; | |
3af9a47b | 872 | |
e84d6fca AM |
873 | if (csym && (csym[count] == NULL)) |
874 | break; | |
3af9a47b | 875 | |
e84d6fca AM |
876 | codepos += 3; |
877 | codepos -= (codepos % 4); | |
3af9a47b | 878 | |
e84d6fca AM |
879 | while ((codepos + 4) <= codelen) |
880 | { | |
881 | if ((bfd_getb32 (codebuf + codepos) & 0xffff0000) == 0x81820000) | |
882 | break; | |
883 | codepos += 4; | |
884 | } | |
3af9a47b | 885 | |
e84d6fca | 886 | if ((codepos + 4) > codelen) |
3af9a47b | 887 | break; |
3af9a47b | 888 | |
e84d6fca AM |
889 | ret = bfd_pef_parse_function_stub (abfd, codebuf + codepos, 24, &index); |
890 | if (ret < 0) | |
891 | { | |
892 | codepos += 24; | |
893 | continue; | |
894 | } | |
3af9a47b | 895 | |
e84d6fca AM |
896 | if (index >= header.total_imported_symbol_count) |
897 | { | |
898 | codepos += 24; | |
899 | continue; | |
900 | } | |
3af9a47b | 901 | |
e84d6fca AM |
902 | { |
903 | size_t max, namelen; | |
904 | const char *s; | |
905 | ||
906 | if (loaderlen < (header.loader_strings_offset + imports[index].name)) | |
907 | goto error; | |
908 | ||
909 | max = loaderlen - (header.loader_strings_offset + imports[index].name); | |
910 | symname = loaderbuf + header.loader_strings_offset + imports[index].name; | |
911 | namelen = 0; | |
912 | for (s = symname; s < (symname + max); s++) | |
913 | { | |
914 | if (*s == '\0') | |
915 | break; | |
916 | if (! isprint (*s)) | |
917 | goto error; | |
918 | namelen++; | |
919 | } | |
920 | if (*s != '\0') | |
921 | goto error; | |
922 | ||
923 | name = bfd_alloc (abfd, strlen (sprefix) + namelen + 1); | |
924 | if (name == NULL) | |
925 | break; | |
3af9a47b | 926 | |
e84d6fca AM |
927 | snprintf (name, strlen (sprefix) + namelen + 1, "%s%s", |
928 | sprefix, symname); | |
929 | sym.name = name; | |
930 | } | |
3af9a47b | 931 | |
e84d6fca AM |
932 | sym.value = codepos; |
933 | sym.the_bfd = abfd; | |
934 | sym.section = codesec; | |
935 | sym.flags = 0; | |
936 | sym.udata.i = 0; | |
3af9a47b | 937 | |
e84d6fca | 938 | codepos += 24; |
3af9a47b | 939 | |
e84d6fca AM |
940 | if (csym != NULL) |
941 | *(csym[count]) = sym; | |
3af9a47b | 942 | |
e84d6fca | 943 | count++; |
3af9a47b | 944 | } |
3af9a47b NC |
945 | |
946 | goto end; | |
947 | ||
948 | end: | |
e84d6fca AM |
949 | if (libraries != NULL) |
950 | free (libraries); | |
951 | if (imports != NULL) | |
952 | free (imports); | |
3af9a47b NC |
953 | *nsym = count; |
954 | return 0; | |
955 | ||
956 | error: | |
e84d6fca AM |
957 | if (libraries != NULL) |
958 | free (libraries); | |
959 | if (imports != NULL) | |
960 | free (imports); | |
3af9a47b NC |
961 | *nsym = count; |
962 | return -1; | |
e84d6fca | 963 | } |
3af9a47b NC |
964 | |
965 | static long bfd_pef_parse_symbols (abfd, csym) | |
966 | bfd *abfd; | |
967 | asymbol **csym; | |
968 | { | |
969 | unsigned long count = 0; | |
970 | ||
971 | asection *codesec = NULL; | |
972 | unsigned char *codebuf = NULL; | |
973 | size_t codelen = 0; | |
974 | ||
975 | asection *loadersec = NULL; | |
976 | unsigned char *loaderbuf = NULL; | |
977 | size_t loaderlen = 0; | |
978 | ||
979 | codesec = bfd_get_section_by_name (abfd, "code"); | |
980 | if (codesec != NULL) | |
981 | { | |
982 | codelen = bfd_section_size (abfd, codesec); | |
983 | codebuf = (unsigned char *) bfd_malloc (codelen); | |
e84d6fca AM |
984 | if (bfd_seek (abfd, codesec->filepos, SEEK_SET) < 0) |
985 | goto end; | |
986 | if (bfd_bread ((PTR) codebuf, codelen, abfd) != codelen) | |
987 | goto end; | |
3af9a47b NC |
988 | } |
989 | ||
990 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
991 | if (loadersec != NULL) | |
992 | { | |
993 | loaderlen = bfd_section_size (abfd, loadersec); | |
994 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); | |
e84d6fca AM |
995 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
996 | goto end; | |
997 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) | |
998 | goto end; | |
3af9a47b | 999 | } |
e84d6fca | 1000 | |
3af9a47b NC |
1001 | count = 0; |
1002 | if (codesec != NULL) | |
1003 | { | |
1004 | unsigned long ncount = 0; | |
e84d6fca AM |
1005 | bfd_pef_parse_traceback_tables (abfd, codesec, codebuf, codelen, |
1006 | &ncount, csym); | |
3af9a47b NC |
1007 | count += ncount; |
1008 | } | |
1009 | ||
1010 | if ((codesec != NULL) && (loadersec != NULL)) | |
1011 | { | |
1012 | unsigned long ncount = 0; | |
1013 | bfd_pef_parse_function_stubs | |
1014 | (abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, &ncount, | |
1015 | (csym != NULL) ? (csym + count) : NULL); | |
1016 | count += ncount; | |
1017 | } | |
e84d6fca AM |
1018 | |
1019 | if (csym != NULL) | |
3af9a47b | 1020 | csym[count] = NULL; |
e84d6fca | 1021 | |
3af9a47b | 1022 | end: |
e84d6fca | 1023 | if (codebuf != NULL) |
3af9a47b NC |
1024 | free (codebuf); |
1025 | ||
e84d6fca AM |
1026 | if (loaderbuf != NULL) |
1027 | free (loaderbuf); | |
1028 | ||
3af9a47b NC |
1029 | return count; |
1030 | } | |
1031 | ||
1032 | static long | |
1033 | bfd_pef_count_symbols (abfd) | |
1034 | bfd *abfd; | |
1035 | { | |
1036 | return bfd_pef_parse_symbols (abfd, NULL); | |
1037 | } | |
1038 | ||
1039 | static long | |
1040 | bfd_pef_get_symtab_upper_bound (abfd) | |
1041 | bfd *abfd; | |
1042 | { | |
1043 | long nsyms = bfd_pef_count_symbols (abfd); | |
e84d6fca AM |
1044 | if (nsyms < 0) |
1045 | return nsyms; | |
3af9a47b NC |
1046 | return ((nsyms + 1) * sizeof (asymbol *)); |
1047 | } | |
1048 | ||
1049 | static long | |
1050 | bfd_pef_get_symtab (abfd, alocation) | |
1051 | bfd *abfd; | |
1052 | asymbol **alocation; | |
1053 | { | |
1054 | long i; | |
1055 | asymbol *syms; | |
1056 | long ret; | |
1057 | ||
1058 | long nsyms = bfd_pef_count_symbols (abfd); | |
e84d6fca AM |
1059 | if (nsyms < 0) |
1060 | return nsyms; | |
3af9a47b NC |
1061 | |
1062 | syms = bfd_alloc (abfd, nsyms * sizeof (asymbol)); | |
e84d6fca AM |
1063 | if (syms == NULL) |
1064 | return -1; | |
3af9a47b | 1065 | |
e84d6fca | 1066 | for (i = 0; i < nsyms; i++) |
3af9a47b | 1067 | alocation[i] = &syms[i]; |
e84d6fca | 1068 | |
3af9a47b NC |
1069 | alocation[nsyms] = NULL; |
1070 | ||
1071 | ret = bfd_pef_parse_symbols (abfd, alocation); | |
e84d6fca | 1072 | if (ret != nsyms) |
3af9a47b | 1073 | return 0; |
3af9a47b NC |
1074 | |
1075 | return ret; | |
1076 | } | |
1077 | ||
1078 | static asymbol * | |
1079 | bfd_pef_make_empty_symbol (abfd) | |
1080 | bfd *abfd; | |
1081 | { | |
1082 | return (asymbol *) bfd_alloc (abfd, sizeof (asymbol)); | |
1083 | } | |
1084 | ||
1085 | static void | |
1086 | bfd_pef_get_symbol_info (abfd, symbol, ret) | |
1087 | bfd *abfd ATTRIBUTE_UNUSED; | |
1088 | asymbol *symbol; | |
1089 | symbol_info *ret; | |
1090 | { | |
1091 | bfd_symbol_info (symbol, ret); | |
1092 | } | |
1093 | ||
1094 | static int | |
1095 | bfd_pef_sizeof_headers (abfd, exec) | |
1096 | bfd *abfd ATTRIBUTE_UNUSED; | |
b34976b6 | 1097 | bfd_boolean exec ATTRIBUTE_UNUSED; |
3af9a47b NC |
1098 | { |
1099 | return 0; | |
1100 | } | |
1101 | ||
1102 | const bfd_target pef_vec = | |
1103 | { | |
1104 | "pef", /* name */ | |
1105 | bfd_target_pef_flavour, /* flavour */ | |
1106 | BFD_ENDIAN_BIG, /* byteorder */ | |
1107 | BFD_ENDIAN_BIG, /* header_byteorder */ | |
1108 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1109 | HAS_LINENO | HAS_DEBUG | | |
1110 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1111 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
1112 | | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */ | |
1113 | 0, /* symbol_leading_char */ | |
1114 | ' ', /* ar_pad_char */ | |
1115 | 16, /* ar_max_namelen */ | |
1116 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1117 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1118 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
1119 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1120 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1121 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1122 | { /* bfd_check_format */ | |
1123 | _bfd_dummy_target, | |
1124 | bfd_pef_object_p, /* bfd_check_format */ | |
1125 | _bfd_dummy_target, | |
1126 | _bfd_dummy_target, | |
1127 | }, | |
1128 | { /* bfd_set_format */ | |
1129 | bfd_false, | |
1130 | bfd_pef_mkobject, | |
1131 | bfd_false, | |
1132 | bfd_false, | |
1133 | }, | |
1134 | { /* bfd_write_contents */ | |
1135 | bfd_false, | |
1136 | bfd_true, | |
1137 | bfd_false, | |
1138 | bfd_false, | |
1139 | }, | |
1140 | ||
1141 | BFD_JUMP_TABLE_GENERIC (bfd_pef), | |
1142 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1143 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1144 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1145 | BFD_JUMP_TABLE_SYMBOLS (bfd_pef), | |
1146 | BFD_JUMP_TABLE_RELOCS (bfd_pef), | |
1147 | BFD_JUMP_TABLE_WRITE (bfd_pef), | |
1148 | BFD_JUMP_TABLE_LINK (bfd_pef), | |
1149 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1150 | ||
1151 | NULL, | |
e84d6fca | 1152 | |
3af9a47b NC |
1153 | NULL |
1154 | }; | |
1155 | ||
1156 | #define bfd_pef_xlib_close_and_cleanup _bfd_generic_close_and_cleanup | |
1157 | #define bfd_pef_xlib_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
1158 | #define bfd_pef_xlib_new_section_hook _bfd_generic_new_section_hook | |
1159 | #define bfd_pef_xlib_get_section_contents _bfd_generic_get_section_contents | |
1160 | #define bfd_pef_xlib_set_section_contents _bfd_generic_set_section_contents | |
1161 | #define bfd_pef_xlib_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
1162 | #define bfd_pef_xlib_set_section_contents_in_window _bfd_generic_set_section_contents_in_window | |
1163 | ||
1164 | static int | |
1165 | bfd_pef_xlib_read_header (abfd, header) | |
1166 | bfd *abfd; | |
1167 | bfd_pef_xlib_header *header; | |
1168 | { | |
1169 | unsigned char buf[76]; | |
1170 | ||
1171 | bfd_seek (abfd, 0, SEEK_SET); | |
1172 | ||
e84d6fca AM |
1173 | if (bfd_bread ((PTR) buf, 76, abfd) != 76) |
1174 | return -1; | |
3af9a47b NC |
1175 | |
1176 | header->tag1 = bfd_getb32 (buf); | |
1177 | header->tag2 = bfd_getb32 (buf + 4); | |
1178 | header->current_format = bfd_getb32 (buf + 8); | |
1179 | header->container_strings_offset = bfd_getb32 (buf + 12); | |
1180 | header->export_hash_offset = bfd_getb32 (buf + 16); | |
1181 | header->export_key_offset = bfd_getb32 (buf + 20); | |
1182 | header->export_symbol_offset = bfd_getb32 (buf + 24); | |
1183 | header->export_names_offset = bfd_getb32 (buf + 28); | |
1184 | header->export_hash_table_power = bfd_getb32 (buf + 32); | |
1185 | header->exported_symbol_count = bfd_getb32 (buf + 36); | |
1186 | header->frag_name_offset = bfd_getb32 (buf + 40); | |
1187 | header->frag_name_length = bfd_getb32 (buf + 44); | |
1188 | header->dylib_path_offset = bfd_getb32 (buf + 48); | |
1189 | header->dylib_path_length = bfd_getb32 (buf + 52); | |
1190 | header->cpu_family = bfd_getb32 (buf + 56); | |
1191 | header->cpu_model = bfd_getb32 (buf + 60); | |
1192 | header->date_time_stamp = bfd_getb32 (buf + 64); | |
1193 | header->current_version = bfd_getb32 (buf + 68); | |
1194 | header->old_definition_version = bfd_getb32 (buf + 72); | |
1195 | header->old_implementation_version = bfd_getb32 (buf + 76); | |
1196 | ||
1197 | return 0; | |
1198 | } | |
1199 | ||
1200 | int | |
1201 | bfd_pef_xlib_scan (abfd, header) | |
1202 | bfd *abfd; | |
1203 | bfd_pef_xlib_header *header; | |
1204 | { | |
1205 | bfd_pef_xlib_data_struct *mdata = NULL; | |
1206 | ||
e84d6fca AM |
1207 | mdata = ((bfd_pef_xlib_data_struct *) |
1208 | bfd_alloc (abfd, sizeof (bfd_pef_xlib_data_struct))); | |
1209 | if (mdata == NULL) | |
3af9a47b | 1210 | return -1; |
3af9a47b | 1211 | |
3af9a47b NC |
1212 | mdata->header = *header; |
1213 | ||
e84d6fca AM |
1214 | abfd->flags = (abfd->xvec->object_flags |
1215 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b NC |
1216 | |
1217 | abfd->tdata.pef_xlib_data = mdata; | |
1218 | ||
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | static const bfd_target * | |
1223 | bfd_pef_xlib_object_p (abfd) | |
1224 | bfd *abfd; | |
1225 | { | |
e84d6fca | 1226 | struct bfd_preserve preserve; |
3af9a47b | 1227 | bfd_pef_xlib_header header; |
3af9a47b | 1228 | |
e84d6fca AM |
1229 | if (bfd_pef_xlib_read_header (abfd, &header) != 0) |
1230 | { | |
1231 | bfd_set_error (bfd_error_wrong_format); | |
1232 | return NULL; | |
1233 | } | |
3af9a47b | 1234 | |
e84d6fca AM |
1235 | if ((header.tag1 != BFD_PEF_XLIB_TAG1) |
1236 | || ((header.tag2 != BFD_PEF_VLIB_TAG2) | |
1237 | && (header.tag2 != BFD_PEF_BLIB_TAG2))) | |
1238 | { | |
1239 | bfd_set_error (bfd_error_wrong_format); | |
1240 | return NULL; | |
1241 | } | |
3af9a47b | 1242 | |
e84d6fca AM |
1243 | if (! bfd_preserve_save (abfd, &preserve)) |
1244 | { | |
1245 | bfd_set_error (bfd_error_wrong_format); | |
1246 | return NULL; | |
1247 | } | |
1248 | ||
1249 | if (bfd_pef_xlib_scan (abfd, &header) != 0) | |
1250 | { | |
1251 | bfd_preserve_restore (abfd, &preserve); | |
1252 | bfd_set_error (bfd_error_wrong_format); | |
1253 | return NULL; | |
1254 | } | |
1255 | ||
1256 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b NC |
1257 | return abfd->xvec; |
1258 | } | |
1259 | ||
1260 | const bfd_target pef_xlib_vec = | |
1261 | { | |
1262 | "pef-xlib", /* name */ | |
1263 | bfd_target_pef_xlib_flavour, /* flavour */ | |
1264 | BFD_ENDIAN_BIG, /* byteorder */ | |
1265 | BFD_ENDIAN_BIG, /* header_byteorder */ | |
1266 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1267 | HAS_LINENO | HAS_DEBUG | | |
1268 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1269 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
1270 | | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */ | |
1271 | 0, /* symbol_leading_char */ | |
1272 | ' ', /* ar_pad_char */ | |
1273 | 16, /* ar_max_namelen */ | |
1274 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1275 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1276 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
1277 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1278 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1279 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1280 | { /* bfd_check_format */ | |
1281 | _bfd_dummy_target, | |
1282 | bfd_pef_xlib_object_p, /* bfd_check_format */ | |
1283 | _bfd_dummy_target, | |
1284 | _bfd_dummy_target, | |
1285 | }, | |
1286 | { /* bfd_set_format */ | |
1287 | bfd_false, | |
1288 | bfd_pef_mkobject, | |
1289 | bfd_false, | |
1290 | bfd_false, | |
1291 | }, | |
1292 | { /* bfd_write_contents */ | |
1293 | bfd_false, | |
1294 | bfd_true, | |
1295 | bfd_false, | |
1296 | bfd_false, | |
1297 | }, | |
1298 | ||
1299 | BFD_JUMP_TABLE_GENERIC (bfd_pef_xlib), | |
1300 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1301 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1302 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1303 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
1304 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
1305 | BFD_JUMP_TABLE_WRITE (_bfd_nowrite), | |
1306 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
1307 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1308 | ||
1309 | NULL, | |
e84d6fca | 1310 | |
3af9a47b NC |
1311 | NULL |
1312 | }; |