Commit | Line | Data |
---|---|---|
3af9a47b | 1 | /* PEF support for BFD. |
72adc230 | 2 | Copyright 1999, 2000, 2001, 2002, 2003, 2004 |
3af9a47b NC |
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 | ||
29e1a6e4 | 21 | #include "safe-ctype.h" |
3af9a47b NC |
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 | ||
29e1a6e4 NC |
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 | #define bfd_pef_get_reloc_upper_bound _bfd_norelocs_get_reloc_upper_bound | |
46 | #define bfd_pef_canonicalize_reloc _bfd_norelocs_canonicalize_reloc | |
47 | #define bfd_pef_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup | |
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 | |
54 | #define bfd_pef_bfd_merge_sections bfd_generic_merge_sections | |
72adc230 | 55 | #define bfd_pef_bfd_is_group_section bfd_generic_is_group_section |
29e1a6e4 NC |
56 | #define bfd_pef_bfd_discard_group bfd_generic_discard_group |
57 | #define bfd_pef_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
58 | #define bfd_pef_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
59 | #define bfd_pef_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
60 | #define bfd_pef_bfd_link_just_syms _bfd_generic_link_just_syms | |
61 | #define bfd_pef_bfd_final_link _bfd_generic_final_link | |
62 | #define bfd_pef_bfd_link_split_section _bfd_generic_link_split_section | |
63 | #define bfd_pef_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
64 | ||
65 | static void bfd_pef_print_symbol PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); | |
66 | static void bfd_pef_convert_architecture PARAMS ((unsigned long, enum bfd_architecture *, unsigned long *)); | |
67 | static bfd_boolean bfd_pef_mkobject PARAMS ((bfd *)); | |
68 | static int bfd_pef_parse_traceback_table PARAMS ((bfd *, asection *, unsigned char *, size_t, size_t, asymbol *, FILE *)); | |
69 | static const char *bfd_pef_section_name PARAMS ((bfd_pef_section *)); | |
70 | static unsigned long bfd_pef_section_flags PARAMS ((bfd_pef_section *)); | |
71 | static asection *bfd_pef_make_bfd_section PARAMS ((bfd *, bfd_pef_section *)); | |
72 | static int bfd_pef_read_header PARAMS ((bfd *, bfd_pef_header *)); | |
73 | static const bfd_target *bfd_pef_object_p PARAMS ((bfd *)); | |
74 | static int bfd_pef_parse_traceback_tables PARAMS ((bfd *, asection *, unsigned char *, size_t, long *, asymbol **)); | |
75 | static int bfd_pef_parse_function_stub PARAMS ((bfd *, unsigned char *, size_t, unsigned long *)); | |
76 | static int bfd_pef_parse_function_stubs PARAMS ((bfd *, asection *, unsigned char *, size_t, unsigned char *, size_t, unsigned long *, asymbol **)); | |
77 | static long bfd_pef_parse_symbols PARAMS ((bfd *, asymbol **)); | |
78 | static long bfd_pef_count_symbols PARAMS ((bfd *)); | |
79 | static long bfd_pef_get_symtab_upper_bound PARAMS ((bfd *)); | |
6cee3f79 | 80 | static long bfd_pef_canonicalize_symtab PARAMS ((bfd *, asymbol **)); |
29e1a6e4 NC |
81 | static asymbol *bfd_pef_make_empty_symbol PARAMS ((bfd *)); |
82 | static void bfd_pef_get_symbol_info PARAMS ((bfd *, asymbol *, symbol_info *)); | |
83 | static int bfd_pef_sizeof_headers PARAMS ((bfd *, bfd_boolean)); | |
84 | static int bfd_pef_xlib_read_header PARAMS ((bfd *, bfd_pef_xlib_header *)); | |
85 | static int bfd_pef_xlib_scan PARAMS ((bfd *, bfd_pef_xlib_header *)); | |
86 | static const bfd_target *bfd_pef_xlib_object_p PARAMS ((bfd *)); | |
3af9a47b NC |
87 | |
88 | static void | |
89 | bfd_pef_print_symbol (abfd, afile, symbol, how) | |
90 | bfd *abfd; | |
91 | PTR afile; | |
92 | asymbol *symbol; | |
93 | bfd_print_symbol_type how; | |
94 | { | |
95 | FILE *file = (FILE *) afile; | |
29e1a6e4 | 96 | |
e84d6fca AM |
97 | switch (how) |
98 | { | |
99 | case bfd_print_symbol_name: | |
100 | fprintf (file, "%s", symbol->name); | |
101 | break; | |
102 | default: | |
103 | bfd_print_symbol_vandf (abfd, (PTR) file, symbol); | |
104 | fprintf (file, " %-5s %s", symbol->section->name, symbol->name); | |
105 | if (strncmp (symbol->name, "__traceback_", strlen ("__traceback_")) == 0) | |
106 | { | |
107 | char *buf = alloca (symbol->udata.i); | |
108 | size_t offset = symbol->value + 4; | |
109 | size_t len = symbol->udata.i; | |
110 | int ret; | |
111 | ||
112 | bfd_get_section_contents (abfd, symbol->section, buf, offset, len); | |
113 | ret = bfd_pef_parse_traceback_table (abfd, symbol->section, buf, | |
114 | len, 0, NULL, file); | |
115 | if (ret < 0) | |
116 | fprintf (file, " [ERROR]"); | |
117 | } | |
3af9a47b | 118 | } |
3af9a47b NC |
119 | } |
120 | ||
e84d6fca AM |
121 | static void |
122 | bfd_pef_convert_architecture (architecture, type, subtype) | |
3af9a47b NC |
123 | unsigned long architecture; |
124 | enum bfd_architecture *type; | |
125 | unsigned long *subtype; | |
126 | { | |
3af9a47b NC |
127 | const unsigned long ARCH_POWERPC = 0x70777063; /* 'pwpc' */ |
128 | const unsigned long ARCH_M68K = 0x6d36386b; /* 'm68k' */ | |
e84d6fca | 129 | |
eddc4f81 KD |
130 | *subtype = bfd_arch_unknown; |
131 | *type = bfd_arch_unknown; | |
132 | ||
3af9a47b NC |
133 | if (architecture == ARCH_POWERPC) |
134 | *type = bfd_arch_powerpc; | |
135 | else if (architecture == ARCH_M68K) | |
136 | *type = bfd_arch_m68k; | |
137 | } | |
138 | ||
b34976b6 | 139 | static bfd_boolean |
3af9a47b NC |
140 | bfd_pef_mkobject (abfd) |
141 | bfd *abfd ATTRIBUTE_UNUSED; | |
142 | { | |
b34976b6 | 143 | return TRUE; |
3af9a47b NC |
144 | } |
145 | ||
146 | static int | |
147 | bfd_pef_parse_traceback_table (abfd, section, buf, len, pos, sym, file) | |
148 | bfd *abfd; | |
149 | asection *section; | |
150 | unsigned char *buf; | |
151 | size_t len; | |
152 | size_t pos; | |
153 | asymbol *sym; | |
154 | FILE *file; | |
155 | { | |
156 | struct traceback_table table; | |
157 | size_t offset; | |
158 | const char *s; | |
159 | asymbol tmpsymbol; | |
e84d6fca AM |
160 | |
161 | if (sym == NULL) | |
162 | sym = &tmpsymbol; | |
3af9a47b NC |
163 | |
164 | sym->name = NULL; | |
165 | sym->value = 0; | |
166 | sym->the_bfd = abfd; | |
167 | sym->section = section; | |
168 | sym->flags = 0; | |
169 | sym->udata.i = 0; | |
170 | ||
29e1a6e4 | 171 | /* memcpy is fine since all fields are unsigned char. */ |
3af9a47b | 172 | |
e84d6fca AM |
173 | if ((pos + 8) > len) |
174 | return -1; | |
3af9a47b | 175 | memcpy (&table, buf + pos, 8); |
3af9a47b | 176 | |
29e1a6e4 NC |
177 | /* Calling code relies on returned symbols having a name and |
178 | correct offset. */ | |
e84d6fca AM |
179 | |
180 | if ((table.lang != TB_C) && (table.lang != TB_CPLUSPLUS)) | |
3af9a47b | 181 | return -1; |
e84d6fca AM |
182 | |
183 | if (! (table.flags2 & TB_NAME_PRESENT)) | |
3af9a47b | 184 | return -1; |
e84d6fca AM |
185 | |
186 | if (! table.flags1 & TB_HAS_TBOFF) | |
3af9a47b | 187 | return -1; |
3af9a47b NC |
188 | |
189 | offset = 8; | |
190 | ||
e84d6fca AM |
191 | if ((table.flags5 & TB_FLOATPARAMS) || (table.fixedparams)) |
192 | offset += 4; | |
3af9a47b | 193 | |
e84d6fca AM |
194 | if (table.flags1 & TB_HAS_TBOFF) |
195 | { | |
196 | struct traceback_table_tboff off; | |
3af9a47b | 197 | |
e84d6fca AM |
198 | if ((pos + offset + 4) > len) |
199 | return -1; | |
200 | off.tb_offset = bfd_getb32 (buf + pos + offset); | |
201 | offset += 4; | |
3af9a47b | 202 | |
29e1a6e4 NC |
203 | /* Need to subtract 4 because the offset includes the 0x0L |
204 | preceding the table. */ | |
3af9a47b | 205 | |
e84d6fca AM |
206 | if (file != NULL) |
207 | fprintf (file, " [offset = 0x%lx]", off.tb_offset); | |
3af9a47b | 208 | |
e84d6fca AM |
209 | if ((file == NULL) && ((off.tb_offset + 4) > (pos + offset))) |
210 | return -1; | |
211 | ||
212 | sym->value = pos - off.tb_offset - 4; | |
3af9a47b | 213 | } |
3af9a47b | 214 | |
e84d6fca | 215 | if (table.flags2 & TB_INT_HNDL) |
3af9a47b | 216 | offset += 4; |
3af9a47b | 217 | |
e84d6fca AM |
218 | if (table.flags1 & TB_HAS_CTL) |
219 | { | |
220 | struct traceback_table_anchors anchors; | |
3af9a47b | 221 | |
e84d6fca AM |
222 | if ((pos + offset + 4) > len) |
223 | return -1; | |
224 | anchors.ctl_info = bfd_getb32 (buf + pos + offset); | |
225 | offset += 4; | |
3af9a47b | 226 | |
e84d6fca AM |
227 | if (anchors.ctl_info > 1024) |
228 | return -1; | |
3af9a47b | 229 | |
e84d6fca | 230 | offset += anchors.ctl_info * 4; |
3af9a47b NC |
231 | } |
232 | ||
e84d6fca AM |
233 | if (table.flags2 & TB_NAME_PRESENT) |
234 | { | |
235 | struct traceback_table_routine name; | |
236 | char *namebuf; | |
3af9a47b | 237 | |
e84d6fca AM |
238 | if ((pos + offset + 2) > len) |
239 | return -1; | |
240 | name.name_len = bfd_getb16 (buf + pos + offset); | |
241 | offset += 2; | |
3af9a47b | 242 | |
e84d6fca AM |
243 | if (name.name_len > 4096) |
244 | return -1; | |
3af9a47b | 245 | |
e84d6fca AM |
246 | if ((pos + offset + name.name_len) > len) |
247 | return -1; | |
3af9a47b | 248 | |
e84d6fca AM |
249 | namebuf = (char *) bfd_alloc (abfd, name.name_len + 1); |
250 | if (namebuf == NULL) | |
251 | return -1; | |
3af9a47b | 252 | |
e84d6fca AM |
253 | memcpy (namebuf, buf + pos + offset, name.name_len); |
254 | namebuf[name.name_len] = '\0'; | |
3af9a47b | 255 | |
29e1a6e4 | 256 | /* Strip leading period inserted by compiler. */ |
e84d6fca AM |
257 | if (namebuf[0] == '.') |
258 | memmove (namebuf, namebuf + 1, name.name_len + 1); | |
3af9a47b | 259 | |
e84d6fca | 260 | sym->name = namebuf; |
3af9a47b | 261 | |
e84d6fca | 262 | for (s = sym->name; (*s != '\0'); s++) |
29e1a6e4 | 263 | if (! ISPRINT (*s)) |
e84d6fca | 264 | return -1; |
3af9a47b | 265 | |
e84d6fca | 266 | offset += name.name_len; |
3af9a47b NC |
267 | } |
268 | ||
e84d6fca | 269 | if (table.flags2 & TB_USES_ALLOCA) |
3af9a47b | 270 | offset += 4; |
3af9a47b | 271 | |
e84d6fca | 272 | if (table.flags4 & TB_HAS_VEC_INFO) |
3af9a47b | 273 | offset += 4; |
3af9a47b | 274 | |
e84d6fca | 275 | if (file != NULL) |
3af9a47b | 276 | fprintf (file, " [length = 0x%lx]", (long) offset); |
e84d6fca | 277 | |
3af9a47b NC |
278 | return offset; |
279 | } | |
280 | ||
281 | static const char *bfd_pef_section_name (section) | |
282 | bfd_pef_section *section; | |
283 | { | |
e84d6fca AM |
284 | switch (section->section_kind) |
285 | { | |
286 | case BFD_PEF_SECTION_CODE: return "code"; | |
287 | case BFD_PEF_SECTION_UNPACKED_DATA: return "unpacked-data"; | |
288 | case BFD_PEF_SECTION_PACKED_DATA: return "packed-data"; | |
289 | case BFD_PEF_SECTION_CONSTANT: return "constant"; | |
290 | case BFD_PEF_SECTION_LOADER: return "loader"; | |
291 | case BFD_PEF_SECTION_DEBUG: return "debug"; | |
292 | case BFD_PEF_SECTION_EXEC_DATA: return "exec-data"; | |
293 | case BFD_PEF_SECTION_EXCEPTION: return "exception"; | |
294 | case BFD_PEF_SECTION_TRACEBACK: return "traceback"; | |
295 | default: return "unknown"; | |
296 | } | |
3af9a47b NC |
297 | } |
298 | ||
299 | static unsigned long bfd_pef_section_flags (section) | |
300 | bfd_pef_section *section; | |
301 | { | |
e84d6fca AM |
302 | switch (section->section_kind) |
303 | { | |
304 | case BFD_PEF_SECTION_CODE: | |
305 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; | |
306 | case BFD_PEF_SECTION_UNPACKED_DATA: | |
307 | case BFD_PEF_SECTION_PACKED_DATA: | |
308 | case BFD_PEF_SECTION_CONSTANT: | |
309 | case BFD_PEF_SECTION_LOADER: | |
310 | case BFD_PEF_SECTION_DEBUG: | |
311 | case BFD_PEF_SECTION_EXEC_DATA: | |
312 | case BFD_PEF_SECTION_EXCEPTION: | |
313 | case BFD_PEF_SECTION_TRACEBACK: | |
314 | default: | |
315 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; | |
316 | } | |
3af9a47b NC |
317 | } |
318 | ||
319 | static asection * | |
320 | bfd_pef_make_bfd_section (abfd, section) | |
321 | bfd *abfd; | |
322 | bfd_pef_section *section; | |
323 | { | |
324 | asection *bfdsec; | |
325 | const char *name = bfd_pef_section_name (section); | |
326 | ||
327 | bfdsec = bfd_make_section_anyway (abfd, name); | |
e84d6fca AM |
328 | if (bfdsec == NULL) |
329 | return NULL; | |
330 | ||
3af9a47b NC |
331 | bfdsec->vma = section->default_address + section->container_offset; |
332 | bfdsec->lma = section->default_address + section->container_offset; | |
eea6121a | 333 | bfdsec->size = section->container_length; |
3af9a47b NC |
334 | bfdsec->filepos = section->container_offset; |
335 | bfdsec->alignment_power = section->alignment; | |
336 | ||
337 | bfdsec->flags = bfd_pef_section_flags (section); | |
338 | ||
339 | return bfdsec; | |
340 | } | |
341 | ||
342 | int bfd_pef_parse_loader_header (abfd, buf, len, header) | |
343 | bfd *abfd ATTRIBUTE_UNUSED; | |
344 | unsigned char *buf; | |
345 | size_t len; | |
346 | bfd_pef_loader_header *header; | |
347 | { | |
348 | BFD_ASSERT (len == 56); | |
349 | ||
350 | header->main_section = bfd_getb32 (buf); | |
351 | header->main_offset = bfd_getb32 (buf + 4); | |
352 | header->init_section = bfd_getb32 (buf + 8); | |
353 | header->init_offset = bfd_getb32 (buf + 12); | |
354 | header->term_section = bfd_getb32 (buf + 16); | |
355 | header->term_offset = bfd_getb32 (buf + 20); | |
356 | header->imported_library_count = bfd_getb32 (buf + 24); | |
357 | header->total_imported_symbol_count = bfd_getb32 (buf + 28); | |
358 | header->reloc_section_count = bfd_getb32 (buf + 32); | |
359 | header->reloc_instr_offset = bfd_getb32 (buf + 36); | |
360 | header->loader_strings_offset = bfd_getb32 (buf + 40); | |
361 | header->export_hash_offset = bfd_getb32 (buf + 44); | |
362 | header->export_hash_table_power = bfd_getb32 (buf + 48); | |
363 | header->exported_symbol_count = bfd_getb32 (buf + 52); | |
364 | ||
365 | return 0; | |
366 | } | |
367 | ||
368 | int bfd_pef_parse_imported_library (abfd, buf, len, header) | |
369 | bfd *abfd ATTRIBUTE_UNUSED; | |
370 | unsigned char *buf; | |
371 | size_t len; | |
372 | bfd_pef_imported_library *header; | |
373 | { | |
374 | BFD_ASSERT (len == 24); | |
375 | ||
376 | header->name_offset = bfd_getb32 (buf); | |
377 | header->old_implementation_version = bfd_getb32 (buf + 4); | |
378 | header->current_version = bfd_getb32 (buf + 8); | |
379 | header->imported_symbol_count = bfd_getb32 (buf + 12); | |
380 | header->first_imported_symbol = bfd_getb32 (buf + 16); | |
381 | header->options = buf[20]; | |
382 | header->reserved_a = buf[21]; | |
383 | header->reserved_b = bfd_getb16 (buf + 22); | |
384 | ||
385 | return 0; | |
386 | } | |
387 | ||
388 | int bfd_pef_parse_imported_symbol (abfd, buf, len, symbol) | |
389 | bfd *abfd ATTRIBUTE_UNUSED; | |
390 | unsigned char *buf; | |
391 | size_t len; | |
392 | bfd_pef_imported_symbol *symbol; | |
393 | { | |
394 | unsigned long value; | |
395 | ||
396 | BFD_ASSERT (len == 4); | |
397 | ||
398 | value = bfd_getb32 (buf); | |
399 | symbol->class = value >> 24; | |
400 | symbol->name = value & 0x00ffffff; | |
401 | ||
402 | return 0; | |
403 | } | |
404 | ||
405 | int bfd_pef_scan_section (abfd, section) | |
406 | bfd *abfd; | |
407 | bfd_pef_section *section; | |
408 | { | |
409 | unsigned char buf[28]; | |
e84d6fca | 410 | |
3af9a47b | 411 | bfd_seek (abfd, section->header_offset, SEEK_SET); |
e84d6fca AM |
412 | if (bfd_bread ((PTR) buf, 28, abfd) != 28) |
413 | return -1; | |
3af9a47b NC |
414 | |
415 | section->name_offset = bfd_h_get_32 (abfd, buf); | |
416 | section->default_address = bfd_h_get_32 (abfd, buf + 4); | |
417 | section->total_length = bfd_h_get_32 (abfd, buf + 8); | |
418 | section->unpacked_length = bfd_h_get_32 (abfd, buf + 12); | |
419 | section->container_length = bfd_h_get_32 (abfd, buf + 16); | |
420 | section->container_offset = bfd_h_get_32 (abfd, buf + 20); | |
421 | section->section_kind = buf[24]; | |
422 | section->share_kind = buf[25]; | |
423 | section->alignment = buf[26]; | |
424 | section->reserved = buf[27]; | |
425 | ||
426 | section->bfd_section = bfd_pef_make_bfd_section (abfd, section); | |
e84d6fca AM |
427 | if (section->bfd_section == NULL) |
428 | return -1; | |
3af9a47b NC |
429 | |
430 | return 0; | |
431 | } | |
432 | ||
433 | void | |
434 | bfd_pef_print_loader_header (abfd, header, file) | |
435 | bfd *abfd ATTRIBUTE_UNUSED; | |
436 | bfd_pef_loader_header *header; | |
437 | FILE *file; | |
438 | { | |
439 | fprintf (file, "main_section: %ld\n", header->main_section); | |
440 | fprintf (file, "main_offset: %lu\n", header->main_offset); | |
441 | fprintf (file, "init_section: %ld\n", header->init_section); | |
442 | fprintf (file, "init_offset: %lu\n", header->init_offset); | |
443 | fprintf (file, "term_section: %ld\n", header->term_section); | |
444 | fprintf (file, "term_offset: %lu\n", header->term_offset); | |
e84d6fca AM |
445 | fprintf (file, "imported_library_count: %lu\n", |
446 | header->imported_library_count); | |
447 | fprintf (file, "total_imported_symbol_count: %lu\n", | |
448 | header->total_imported_symbol_count); | |
3af9a47b NC |
449 | fprintf (file, "reloc_section_count: %lu\n", header->reloc_section_count); |
450 | fprintf (file, "reloc_instr_offset: %lu\n", header->reloc_instr_offset); | |
e84d6fca AM |
451 | fprintf (file, "loader_strings_offset: %lu\n", |
452 | header->loader_strings_offset); | |
3af9a47b | 453 | fprintf (file, "export_hash_offset: %lu\n", header->export_hash_offset); |
e84d6fca AM |
454 | fprintf (file, "export_hash_table_power: %lu\n", |
455 | header->export_hash_table_power); | |
456 | fprintf (file, "exported_symbol_count: %lu\n", | |
457 | header->exported_symbol_count); | |
3af9a47b NC |
458 | } |
459 | ||
460 | int | |
461 | bfd_pef_print_loader_section (abfd, file) | |
462 | bfd *abfd; | |
463 | FILE *file; | |
464 | { | |
465 | bfd_pef_loader_header header; | |
466 | asection *loadersec = NULL; | |
467 | unsigned char *loaderbuf = NULL; | |
468 | size_t loaderlen = 0; | |
469 | int ret; | |
470 | ||
471 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
e84d6fca AM |
472 | if (loadersec == NULL) |
473 | return -1; | |
474 | ||
eea6121a | 475 | loaderlen = loadersec->size; |
3af9a47b NC |
476 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); |
477 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) | |
e84d6fca AM |
478 | { |
479 | free (loaderbuf); | |
480 | return -1; | |
481 | } | |
3af9a47b | 482 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) |
e84d6fca AM |
483 | { |
484 | free (loaderbuf); | |
485 | return -1; | |
486 | } | |
3af9a47b | 487 | |
e84d6fca AM |
488 | if (loaderlen < 56) |
489 | { | |
490 | free (loaderbuf); | |
491 | return -1; | |
492 | } | |
3af9a47b | 493 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); |
e84d6fca AM |
494 | if (ret < 0) |
495 | { | |
496 | free (loaderbuf); | |
497 | return -1; | |
498 | } | |
3af9a47b NC |
499 | |
500 | bfd_pef_print_loader_header (abfd, &header, file); | |
501 | return 0; | |
502 | } | |
503 | ||
504 | int | |
505 | bfd_pef_scan_start_address (abfd) | |
506 | bfd *abfd; | |
507 | { | |
508 | bfd_pef_loader_header header; | |
509 | asection *section; | |
510 | ||
511 | asection *loadersec = NULL; | |
512 | unsigned char *loaderbuf = NULL; | |
513 | size_t loaderlen = 0; | |
514 | int ret; | |
515 | ||
516 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
e84d6fca AM |
517 | if (loadersec == NULL) |
518 | goto end; | |
519 | ||
eea6121a | 520 | loaderlen = loadersec->size; |
3af9a47b | 521 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); |
e84d6fca AM |
522 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
523 | goto error; | |
524 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) | |
525 | goto error; | |
3af9a47b | 526 | |
e84d6fca AM |
527 | if (loaderlen < 56) |
528 | goto error; | |
3af9a47b | 529 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); |
e84d6fca AM |
530 | if (ret < 0) |
531 | goto error; | |
532 | ||
533 | if (header.main_section < 0) | |
534 | goto end; | |
535 | ||
536 | for (section = abfd->sections; section != NULL; section = section->next) | |
537 | if ((section->index + 1) == header.main_section) | |
538 | break; | |
3af9a47b | 539 | |
e84d6fca AM |
540 | if (section == NULL) |
541 | goto error; | |
3af9a47b | 542 | |
3af9a47b NC |
543 | abfd->start_address = section->vma + header.main_offset; |
544 | ||
545 | end: | |
e84d6fca AM |
546 | if (loaderbuf != NULL) |
547 | free (loaderbuf); | |
3af9a47b NC |
548 | return 0; |
549 | ||
550 | error: | |
e84d6fca AM |
551 | if (loaderbuf != NULL) |
552 | free (loaderbuf); | |
3af9a47b NC |
553 | return -1; |
554 | } | |
555 | ||
556 | int | |
e84d6fca | 557 | bfd_pef_scan (abfd, header, mdata) |
3af9a47b NC |
558 | bfd *abfd; |
559 | bfd_pef_header *header; | |
e84d6fca | 560 | bfd_pef_data_struct *mdata; |
3af9a47b NC |
561 | { |
562 | unsigned int i; | |
3af9a47b NC |
563 | enum bfd_architecture cputype; |
564 | unsigned long cpusubtype; | |
565 | ||
e84d6fca | 566 | mdata->header = *header; |
3af9a47b | 567 | |
3af9a47b | 568 | bfd_pef_convert_architecture (header->architecture, &cputype, &cpusubtype); |
e84d6fca AM |
569 | if (cputype == bfd_arch_unknown) |
570 | { | |
571 | fprintf (stderr, "bfd_pef_scan: unknown architecture 0x%lx\n", | |
572 | header->architecture); | |
573 | return -1; | |
574 | } | |
3af9a47b NC |
575 | bfd_set_arch_mach (abfd, cputype, cpusubtype); |
576 | ||
577 | mdata->header = *header; | |
578 | ||
e84d6fca AM |
579 | abfd->flags = (abfd->xvec->object_flags |
580 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b | 581 | |
e84d6fca AM |
582 | if (header->section_count != 0) |
583 | { | |
584 | mdata->sections = | |
585 | ((bfd_pef_section *) | |
586 | bfd_alloc (abfd, header->section_count * sizeof (bfd_pef_section))); | |
3af9a47b | 587 | |
e84d6fca | 588 | if (mdata->sections == NULL) |
3af9a47b | 589 | return -1; |
e84d6fca AM |
590 | |
591 | for (i = 0; i < header->section_count; i++) | |
592 | { | |
593 | bfd_pef_section *cur = &mdata->sections[i]; | |
594 | cur->header_offset = 40 + (i * 28); | |
595 | if (bfd_pef_scan_section (abfd, cur) < 0) | |
596 | return -1; | |
597 | } | |
3af9a47b | 598 | } |
3af9a47b | 599 | |
e84d6fca AM |
600 | if (bfd_pef_scan_start_address (abfd) < 0) |
601 | { | |
3af9a47b | 602 | #if 0 |
e84d6fca AM |
603 | fprintf (stderr, "bfd_pef_scan: unable to scan start address: %s\n", |
604 | bfd_errmsg (bfd_get_error ())); | |
605 | return -1; | |
3af9a47b | 606 | #endif |
e84d6fca | 607 | } |
3af9a47b NC |
608 | |
609 | abfd->tdata.pef_data = mdata; | |
610 | ||
611 | return 0; | |
612 | } | |
613 | ||
614 | static int | |
615 | bfd_pef_read_header (abfd, header) | |
616 | bfd *abfd; | |
617 | bfd_pef_header *header; | |
618 | { | |
619 | unsigned char buf[40]; | |
620 | ||
621 | bfd_seek (abfd, 0, SEEK_SET); | |
622 | ||
e84d6fca AM |
623 | if (bfd_bread ((PTR) buf, 40, abfd) != 40) |
624 | return -1; | |
3af9a47b NC |
625 | |
626 | header->tag1 = bfd_getb32 (buf); | |
627 | header->tag2 = bfd_getb32 (buf + 4); | |
628 | header->architecture = bfd_getb32 (buf + 8); | |
629 | header->format_version = bfd_getb32 (buf + 12); | |
630 | header->timestamp = bfd_getb32 (buf + 16); | |
631 | header->old_definition_version = bfd_getb32 (buf + 20); | |
632 | header->old_implementation_version = bfd_getb32 (buf + 24); | |
633 | header->current_version = bfd_getb32 (buf + 28); | |
634 | header->section_count = bfd_getb32 (buf + 32) + 1; | |
635 | header->instantiated_section_count = bfd_getb32 (buf + 34); | |
636 | header->reserved = bfd_getb32 (buf + 36); | |
637 | ||
638 | return 0; | |
639 | } | |
640 | ||
641 | static const bfd_target * | |
642 | bfd_pef_object_p (abfd) | |
643 | bfd *abfd; | |
644 | { | |
e84d6fca | 645 | struct bfd_preserve preserve; |
3af9a47b | 646 | bfd_pef_header header; |
3af9a47b | 647 | |
e84d6fca AM |
648 | preserve.marker = NULL; |
649 | if (bfd_pef_read_header (abfd, &header) != 0) | |
650 | goto wrong; | |
3af9a47b | 651 | |
e84d6fca AM |
652 | if (header.tag1 != BFD_PEF_TAG1 || header.tag2 != BFD_PEF_TAG2) |
653 | goto wrong; | |
654 | ||
655 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_pef_data_struct)); | |
656 | if (preserve.marker == NULL | |
657 | || !bfd_preserve_save (abfd, &preserve)) | |
658 | goto fail; | |
3af9a47b | 659 | |
e84d6fca AM |
660 | if (bfd_pef_scan (abfd, &header, |
661 | (bfd_pef_data_struct *) preserve.marker) != 0) | |
662 | goto wrong; | |
663 | ||
664 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b | 665 | return abfd->xvec; |
e84d6fca AM |
666 | |
667 | wrong: | |
668 | bfd_set_error (bfd_error_wrong_format); | |
669 | ||
670 | fail: | |
671 | if (preserve.marker != NULL) | |
672 | bfd_preserve_restore (abfd, &preserve); | |
673 | return NULL; | |
3af9a47b NC |
674 | } |
675 | ||
676 | static int bfd_pef_parse_traceback_tables (abfd, sec, buf, len, nsym, csym) | |
677 | bfd *abfd; | |
678 | asection *sec; | |
679 | unsigned char *buf; | |
680 | size_t len; | |
681 | long *nsym; | |
682 | asymbol **csym; | |
683 | { | |
684 | char *name; | |
685 | ||
686 | asymbol function; | |
687 | asymbol traceback; | |
688 | ||
689 | const char *const tbprefix = "__traceback_"; | |
690 | size_t tbnamelen; | |
691 | ||
692 | size_t pos = 0; | |
693 | unsigned long count = 0; | |
694 | int ret; | |
695 | ||
e84d6fca AM |
696 | for (;;) |
697 | { | |
29e1a6e4 | 698 | /* We're reading symbols two at a time. */ |
e84d6fca AM |
699 | if (csym && ((csym[count] == NULL) || (csym[count + 1] == NULL))) |
700 | break; | |
3af9a47b | 701 | |
e84d6fca AM |
702 | pos += 3; |
703 | pos -= (pos % 4); | |
3af9a47b | 704 | |
e84d6fca AM |
705 | while ((pos + 4) <= len) |
706 | { | |
707 | if (bfd_getb32 (buf + pos) == 0) | |
708 | break; | |
709 | pos += 4; | |
710 | } | |
3af9a47b | 711 | |
e84d6fca AM |
712 | if ((pos + 4) > len) |
713 | break; | |
3af9a47b | 714 | |
e84d6fca AM |
715 | ret = bfd_pef_parse_traceback_table (abfd, sec, buf, len, pos + 4, |
716 | &function, 0); | |
717 | if (ret < 0) | |
718 | { | |
29e1a6e4 | 719 | /* Skip over 0x0L to advance to next possible traceback table. */ |
e84d6fca AM |
720 | pos += 4; |
721 | continue; | |
722 | } | |
3af9a47b | 723 | |
e84d6fca AM |
724 | BFD_ASSERT (function.name != NULL); |
725 | ||
726 | /* Don't bother to compute the name if we are just | |
29e1a6e4 | 727 | counting symbols. */ |
e84d6fca AM |
728 | |
729 | if (csym) | |
730 | { | |
731 | tbnamelen = strlen (tbprefix) + strlen (function.name); | |
732 | name = bfd_alloc (abfd, tbnamelen + 1); | |
733 | if (name == NULL) | |
734 | { | |
735 | bfd_release (abfd, (PTR) function.name); | |
736 | function.name = NULL; | |
737 | break; | |
738 | } | |
739 | snprintf (name, tbnamelen + 1, "%s%s", tbprefix, function.name); | |
740 | traceback.name = name; | |
741 | traceback.value = pos; | |
742 | traceback.the_bfd = abfd; | |
743 | traceback.section = sec; | |
744 | traceback.flags = 0; | |
745 | traceback.udata.i = ret; | |
746 | ||
747 | *(csym[count]) = function; | |
748 | *(csym[count + 1]) = traceback; | |
3af9a47b | 749 | } |
3af9a47b | 750 | |
e84d6fca AM |
751 | pos += ret; |
752 | count += 2; | |
753 | } | |
3af9a47b NC |
754 | |
755 | *nsym = count; | |
756 | return 0; | |
757 | } | |
758 | ||
759 | static int bfd_pef_parse_function_stub (abfd, buf, len, offset) | |
760 | bfd *abfd ATTRIBUTE_UNUSED; | |
761 | unsigned char *buf; | |
762 | size_t len; | |
763 | unsigned long *offset; | |
764 | { | |
765 | BFD_ASSERT (len == 24); | |
766 | ||
e84d6fca AM |
767 | if ((bfd_getb32 (buf) & 0xffff0000) != 0x81820000) |
768 | return -1; | |
769 | if (bfd_getb32 (buf + 4) != 0x90410014) | |
770 | return -1; | |
771 | if (bfd_getb32 (buf + 8) != 0x800c0000) | |
772 | return -1; | |
773 | if (bfd_getb32 (buf + 12) != 0x804c0004) | |
774 | return -1; | |
775 | if (bfd_getb32 (buf + 16) != 0x7c0903a6) | |
776 | return -1; | |
777 | if (bfd_getb32 (buf + 20) != 0x4e800420) | |
778 | return -1; | |
779 | ||
780 | if (offset != NULL) | |
3af9a47b | 781 | *offset = (bfd_getb32 (buf) & 0x0000ffff) / 4; |
3af9a47b NC |
782 | |
783 | return 0; | |
784 | } | |
785 | ||
e84d6fca AM |
786 | static int bfd_pef_parse_function_stubs (abfd, codesec, codebuf, codelen, |
787 | loaderbuf, loaderlen, nsym, csym) | |
3af9a47b NC |
788 | bfd *abfd; |
789 | asection *codesec; | |
790 | unsigned char *codebuf; | |
791 | size_t codelen; | |
792 | unsigned char *loaderbuf; | |
793 | size_t loaderlen; | |
794 | unsigned long *nsym; | |
795 | asymbol **csym; | |
796 | { | |
797 | const char *const sprefix = "__stub_"; | |
798 | ||
799 | size_t codepos = 0; | |
800 | unsigned long count = 0; | |
801 | ||
802 | bfd_pef_loader_header header; | |
803 | bfd_pef_imported_library *libraries = NULL; | |
804 | bfd_pef_imported_symbol *imports = NULL; | |
805 | ||
806 | unsigned long i; | |
807 | int ret; | |
808 | ||
e84d6fca AM |
809 | if (loaderlen < 56) |
810 | goto error; | |
3af9a47b NC |
811 | |
812 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); | |
e84d6fca AM |
813 | if (ret < 0) |
814 | goto error; | |
3af9a47b NC |
815 | |
816 | libraries = (bfd_pef_imported_library *) bfd_malloc | |
817 | (header.imported_library_count * sizeof (bfd_pef_imported_library)); | |
818 | imports = (bfd_pef_imported_symbol *) bfd_malloc | |
819 | (header.total_imported_symbol_count * sizeof (bfd_pef_imported_symbol)); | |
e84d6fca AM |
820 | |
821 | if (loaderlen < (56 + (header.imported_library_count * 24))) | |
822 | goto error; | |
823 | for (i = 0; i < header.imported_library_count; i++) | |
824 | { | |
825 | ret = bfd_pef_parse_imported_library | |
826 | (abfd, loaderbuf + 56 + (i * 24), 24, &libraries[i]); | |
827 | if (ret < 0) | |
828 | goto error; | |
829 | } | |
830 | ||
831 | if (loaderlen < (56 + (header.imported_library_count * 24) | |
832 | + (header.total_imported_symbol_count * 4))) | |
833 | goto error; | |
834 | for (i = 0; i < header.total_imported_symbol_count; i++) | |
835 | { | |
836 | ret = (bfd_pef_parse_imported_symbol | |
837 | (abfd, | |
838 | loaderbuf + 56 + (header.imported_library_count * 24) + (i * 4), | |
839 | 4, &imports[i])); | |
840 | if (ret < 0) | |
841 | goto error; | |
842 | } | |
843 | ||
3af9a47b NC |
844 | codepos = 0; |
845 | ||
e84d6fca AM |
846 | for (;;) |
847 | { | |
848 | asymbol sym; | |
849 | const char *symname; | |
850 | char *name; | |
851 | unsigned long index; | |
852 | int ret; | |
3af9a47b | 853 | |
e84d6fca AM |
854 | if (csym && (csym[count] == NULL)) |
855 | break; | |
3af9a47b | 856 | |
e84d6fca AM |
857 | codepos += 3; |
858 | codepos -= (codepos % 4); | |
3af9a47b | 859 | |
e84d6fca AM |
860 | while ((codepos + 4) <= codelen) |
861 | { | |
862 | if ((bfd_getb32 (codebuf + codepos) & 0xffff0000) == 0x81820000) | |
863 | break; | |
864 | codepos += 4; | |
865 | } | |
3af9a47b | 866 | |
e84d6fca | 867 | if ((codepos + 4) > codelen) |
3af9a47b | 868 | break; |
3af9a47b | 869 | |
e84d6fca AM |
870 | ret = bfd_pef_parse_function_stub (abfd, codebuf + codepos, 24, &index); |
871 | if (ret < 0) | |
872 | { | |
873 | codepos += 24; | |
874 | continue; | |
875 | } | |
3af9a47b | 876 | |
e84d6fca AM |
877 | if (index >= header.total_imported_symbol_count) |
878 | { | |
879 | codepos += 24; | |
880 | continue; | |
881 | } | |
3af9a47b | 882 | |
e84d6fca AM |
883 | { |
884 | size_t max, namelen; | |
885 | const char *s; | |
886 | ||
887 | if (loaderlen < (header.loader_strings_offset + imports[index].name)) | |
888 | goto error; | |
889 | ||
890 | max = loaderlen - (header.loader_strings_offset + imports[index].name); | |
891 | symname = loaderbuf + header.loader_strings_offset + imports[index].name; | |
892 | namelen = 0; | |
893 | for (s = symname; s < (symname + max); s++) | |
894 | { | |
895 | if (*s == '\0') | |
896 | break; | |
29e1a6e4 | 897 | if (! ISPRINT (*s)) |
e84d6fca AM |
898 | goto error; |
899 | namelen++; | |
900 | } | |
901 | if (*s != '\0') | |
902 | goto error; | |
903 | ||
904 | name = bfd_alloc (abfd, strlen (sprefix) + namelen + 1); | |
905 | if (name == NULL) | |
906 | break; | |
3af9a47b | 907 | |
e84d6fca AM |
908 | snprintf (name, strlen (sprefix) + namelen + 1, "%s%s", |
909 | sprefix, symname); | |
910 | sym.name = name; | |
911 | } | |
3af9a47b | 912 | |
e84d6fca AM |
913 | sym.value = codepos; |
914 | sym.the_bfd = abfd; | |
915 | sym.section = codesec; | |
916 | sym.flags = 0; | |
917 | sym.udata.i = 0; | |
3af9a47b | 918 | |
e84d6fca | 919 | codepos += 24; |
3af9a47b | 920 | |
e84d6fca AM |
921 | if (csym != NULL) |
922 | *(csym[count]) = sym; | |
3af9a47b | 923 | |
e84d6fca | 924 | count++; |
3af9a47b | 925 | } |
3af9a47b NC |
926 | |
927 | goto end; | |
928 | ||
929 | end: | |
e84d6fca AM |
930 | if (libraries != NULL) |
931 | free (libraries); | |
932 | if (imports != NULL) | |
933 | free (imports); | |
3af9a47b NC |
934 | *nsym = count; |
935 | return 0; | |
936 | ||
937 | error: | |
e84d6fca AM |
938 | if (libraries != NULL) |
939 | free (libraries); | |
940 | if (imports != NULL) | |
941 | free (imports); | |
3af9a47b NC |
942 | *nsym = count; |
943 | return -1; | |
e84d6fca | 944 | } |
3af9a47b NC |
945 | |
946 | static long bfd_pef_parse_symbols (abfd, csym) | |
947 | bfd *abfd; | |
948 | asymbol **csym; | |
949 | { | |
950 | unsigned long count = 0; | |
951 | ||
952 | asection *codesec = NULL; | |
953 | unsigned char *codebuf = NULL; | |
954 | size_t codelen = 0; | |
955 | ||
956 | asection *loadersec = NULL; | |
957 | unsigned char *loaderbuf = NULL; | |
958 | size_t loaderlen = 0; | |
959 | ||
960 | codesec = bfd_get_section_by_name (abfd, "code"); | |
961 | if (codesec != NULL) | |
962 | { | |
eea6121a | 963 | codelen = codesec->size; |
3af9a47b | 964 | codebuf = (unsigned char *) bfd_malloc (codelen); |
e84d6fca AM |
965 | if (bfd_seek (abfd, codesec->filepos, SEEK_SET) < 0) |
966 | goto end; | |
967 | if (bfd_bread ((PTR) codebuf, codelen, abfd) != codelen) | |
968 | goto end; | |
3af9a47b NC |
969 | } |
970 | ||
971 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
972 | if (loadersec != NULL) | |
973 | { | |
eea6121a | 974 | loaderlen = loadersec->size; |
3af9a47b | 975 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); |
e84d6fca AM |
976 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
977 | goto end; | |
978 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) | |
979 | goto end; | |
3af9a47b | 980 | } |
e84d6fca | 981 | |
3af9a47b NC |
982 | count = 0; |
983 | if (codesec != NULL) | |
984 | { | |
985 | unsigned long ncount = 0; | |
e84d6fca AM |
986 | bfd_pef_parse_traceback_tables (abfd, codesec, codebuf, codelen, |
987 | &ncount, csym); | |
3af9a47b NC |
988 | count += ncount; |
989 | } | |
990 | ||
991 | if ((codesec != NULL) && (loadersec != NULL)) | |
992 | { | |
993 | unsigned long ncount = 0; | |
994 | bfd_pef_parse_function_stubs | |
995 | (abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, &ncount, | |
996 | (csym != NULL) ? (csym + count) : NULL); | |
997 | count += ncount; | |
998 | } | |
e84d6fca AM |
999 | |
1000 | if (csym != NULL) | |
3af9a47b | 1001 | csym[count] = NULL; |
e84d6fca | 1002 | |
3af9a47b | 1003 | end: |
e84d6fca | 1004 | if (codebuf != NULL) |
3af9a47b NC |
1005 | free (codebuf); |
1006 | ||
e84d6fca AM |
1007 | if (loaderbuf != NULL) |
1008 | free (loaderbuf); | |
1009 | ||
3af9a47b NC |
1010 | return count; |
1011 | } | |
1012 | ||
1013 | static long | |
1014 | bfd_pef_count_symbols (abfd) | |
1015 | bfd *abfd; | |
1016 | { | |
1017 | return bfd_pef_parse_symbols (abfd, NULL); | |
1018 | } | |
1019 | ||
1020 | static long | |
1021 | bfd_pef_get_symtab_upper_bound (abfd) | |
1022 | bfd *abfd; | |
1023 | { | |
1024 | long nsyms = bfd_pef_count_symbols (abfd); | |
e84d6fca AM |
1025 | if (nsyms < 0) |
1026 | return nsyms; | |
3af9a47b NC |
1027 | return ((nsyms + 1) * sizeof (asymbol *)); |
1028 | } | |
1029 | ||
1030 | static long | |
6cee3f79 | 1031 | bfd_pef_canonicalize_symtab (abfd, alocation) |
3af9a47b NC |
1032 | bfd *abfd; |
1033 | asymbol **alocation; | |
1034 | { | |
1035 | long i; | |
1036 | asymbol *syms; | |
1037 | long ret; | |
1038 | ||
1039 | long nsyms = bfd_pef_count_symbols (abfd); | |
e84d6fca AM |
1040 | if (nsyms < 0) |
1041 | return nsyms; | |
3af9a47b NC |
1042 | |
1043 | syms = bfd_alloc (abfd, nsyms * sizeof (asymbol)); | |
e84d6fca AM |
1044 | if (syms == NULL) |
1045 | return -1; | |
3af9a47b | 1046 | |
e84d6fca | 1047 | for (i = 0; i < nsyms; i++) |
3af9a47b | 1048 | alocation[i] = &syms[i]; |
e84d6fca | 1049 | |
3af9a47b NC |
1050 | alocation[nsyms] = NULL; |
1051 | ||
1052 | ret = bfd_pef_parse_symbols (abfd, alocation); | |
e84d6fca | 1053 | if (ret != nsyms) |
3af9a47b | 1054 | return 0; |
3af9a47b NC |
1055 | |
1056 | return ret; | |
1057 | } | |
1058 | ||
1059 | static asymbol * | |
1060 | bfd_pef_make_empty_symbol (abfd) | |
1061 | bfd *abfd; | |
1062 | { | |
1063 | return (asymbol *) bfd_alloc (abfd, sizeof (asymbol)); | |
1064 | } | |
1065 | ||
1066 | static void | |
1067 | bfd_pef_get_symbol_info (abfd, symbol, ret) | |
1068 | bfd *abfd ATTRIBUTE_UNUSED; | |
1069 | asymbol *symbol; | |
1070 | symbol_info *ret; | |
1071 | { | |
1072 | bfd_symbol_info (symbol, ret); | |
1073 | } | |
1074 | ||
1075 | static int | |
1076 | bfd_pef_sizeof_headers (abfd, exec) | |
1077 | bfd *abfd ATTRIBUTE_UNUSED; | |
b34976b6 | 1078 | bfd_boolean exec ATTRIBUTE_UNUSED; |
3af9a47b NC |
1079 | { |
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | const bfd_target pef_vec = | |
1084 | { | |
1085 | "pef", /* name */ | |
1086 | bfd_target_pef_flavour, /* flavour */ | |
1087 | BFD_ENDIAN_BIG, /* byteorder */ | |
1088 | BFD_ENDIAN_BIG, /* header_byteorder */ | |
1089 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1090 | HAS_LINENO | HAS_DEBUG | | |
1091 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1092 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
1093 | | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */ | |
1094 | 0, /* symbol_leading_char */ | |
1095 | ' ', /* ar_pad_char */ | |
1096 | 16, /* ar_max_namelen */ | |
1097 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1098 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1099 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
1100 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1101 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1102 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1103 | { /* bfd_check_format */ | |
1104 | _bfd_dummy_target, | |
1105 | bfd_pef_object_p, /* bfd_check_format */ | |
1106 | _bfd_dummy_target, | |
1107 | _bfd_dummy_target, | |
1108 | }, | |
1109 | { /* bfd_set_format */ | |
1110 | bfd_false, | |
1111 | bfd_pef_mkobject, | |
1112 | bfd_false, | |
1113 | bfd_false, | |
1114 | }, | |
1115 | { /* bfd_write_contents */ | |
1116 | bfd_false, | |
1117 | bfd_true, | |
1118 | bfd_false, | |
1119 | bfd_false, | |
1120 | }, | |
1121 | ||
1122 | BFD_JUMP_TABLE_GENERIC (bfd_pef), | |
1123 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1124 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1125 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1126 | BFD_JUMP_TABLE_SYMBOLS (bfd_pef), | |
1127 | BFD_JUMP_TABLE_RELOCS (bfd_pef), | |
1128 | BFD_JUMP_TABLE_WRITE (bfd_pef), | |
1129 | BFD_JUMP_TABLE_LINK (bfd_pef), | |
1130 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1131 | ||
1132 | NULL, | |
e84d6fca | 1133 | |
3af9a47b NC |
1134 | NULL |
1135 | }; | |
1136 | ||
1137 | #define bfd_pef_xlib_close_and_cleanup _bfd_generic_close_and_cleanup | |
1138 | #define bfd_pef_xlib_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
1139 | #define bfd_pef_xlib_new_section_hook _bfd_generic_new_section_hook | |
1140 | #define bfd_pef_xlib_get_section_contents _bfd_generic_get_section_contents | |
1141 | #define bfd_pef_xlib_set_section_contents _bfd_generic_set_section_contents | |
1142 | #define bfd_pef_xlib_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
1143 | #define bfd_pef_xlib_set_section_contents_in_window _bfd_generic_set_section_contents_in_window | |
1144 | ||
1145 | static int | |
1146 | bfd_pef_xlib_read_header (abfd, header) | |
1147 | bfd *abfd; | |
1148 | bfd_pef_xlib_header *header; | |
1149 | { | |
1150 | unsigned char buf[76]; | |
1151 | ||
1152 | bfd_seek (abfd, 0, SEEK_SET); | |
1153 | ||
e84d6fca AM |
1154 | if (bfd_bread ((PTR) buf, 76, abfd) != 76) |
1155 | return -1; | |
3af9a47b NC |
1156 | |
1157 | header->tag1 = bfd_getb32 (buf); | |
1158 | header->tag2 = bfd_getb32 (buf + 4); | |
1159 | header->current_format = bfd_getb32 (buf + 8); | |
1160 | header->container_strings_offset = bfd_getb32 (buf + 12); | |
1161 | header->export_hash_offset = bfd_getb32 (buf + 16); | |
1162 | header->export_key_offset = bfd_getb32 (buf + 20); | |
1163 | header->export_symbol_offset = bfd_getb32 (buf + 24); | |
1164 | header->export_names_offset = bfd_getb32 (buf + 28); | |
1165 | header->export_hash_table_power = bfd_getb32 (buf + 32); | |
1166 | header->exported_symbol_count = bfd_getb32 (buf + 36); | |
1167 | header->frag_name_offset = bfd_getb32 (buf + 40); | |
1168 | header->frag_name_length = bfd_getb32 (buf + 44); | |
1169 | header->dylib_path_offset = bfd_getb32 (buf + 48); | |
1170 | header->dylib_path_length = bfd_getb32 (buf + 52); | |
1171 | header->cpu_family = bfd_getb32 (buf + 56); | |
1172 | header->cpu_model = bfd_getb32 (buf + 60); | |
1173 | header->date_time_stamp = bfd_getb32 (buf + 64); | |
1174 | header->current_version = bfd_getb32 (buf + 68); | |
1175 | header->old_definition_version = bfd_getb32 (buf + 72); | |
1176 | header->old_implementation_version = bfd_getb32 (buf + 76); | |
1177 | ||
1178 | return 0; | |
1179 | } | |
1180 | ||
1181 | int | |
1182 | bfd_pef_xlib_scan (abfd, header) | |
1183 | bfd *abfd; | |
1184 | bfd_pef_xlib_header *header; | |
1185 | { | |
1186 | bfd_pef_xlib_data_struct *mdata = NULL; | |
1187 | ||
e84d6fca AM |
1188 | mdata = ((bfd_pef_xlib_data_struct *) |
1189 | bfd_alloc (abfd, sizeof (bfd_pef_xlib_data_struct))); | |
1190 | if (mdata == NULL) | |
3af9a47b | 1191 | return -1; |
3af9a47b | 1192 | |
3af9a47b NC |
1193 | mdata->header = *header; |
1194 | ||
e84d6fca AM |
1195 | abfd->flags = (abfd->xvec->object_flags |
1196 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b NC |
1197 | |
1198 | abfd->tdata.pef_xlib_data = mdata; | |
1199 | ||
1200 | return 0; | |
1201 | } | |
1202 | ||
1203 | static const bfd_target * | |
1204 | bfd_pef_xlib_object_p (abfd) | |
1205 | bfd *abfd; | |
1206 | { | |
e84d6fca | 1207 | struct bfd_preserve preserve; |
3af9a47b | 1208 | bfd_pef_xlib_header header; |
3af9a47b | 1209 | |
e84d6fca AM |
1210 | if (bfd_pef_xlib_read_header (abfd, &header) != 0) |
1211 | { | |
1212 | bfd_set_error (bfd_error_wrong_format); | |
1213 | return NULL; | |
1214 | } | |
3af9a47b | 1215 | |
e84d6fca AM |
1216 | if ((header.tag1 != BFD_PEF_XLIB_TAG1) |
1217 | || ((header.tag2 != BFD_PEF_VLIB_TAG2) | |
1218 | && (header.tag2 != BFD_PEF_BLIB_TAG2))) | |
1219 | { | |
1220 | bfd_set_error (bfd_error_wrong_format); | |
1221 | return NULL; | |
1222 | } | |
3af9a47b | 1223 | |
e84d6fca AM |
1224 | if (! bfd_preserve_save (abfd, &preserve)) |
1225 | { | |
1226 | bfd_set_error (bfd_error_wrong_format); | |
1227 | return NULL; | |
1228 | } | |
1229 | ||
1230 | if (bfd_pef_xlib_scan (abfd, &header) != 0) | |
1231 | { | |
1232 | bfd_preserve_restore (abfd, &preserve); | |
1233 | bfd_set_error (bfd_error_wrong_format); | |
1234 | return NULL; | |
1235 | } | |
1236 | ||
1237 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b NC |
1238 | return abfd->xvec; |
1239 | } | |
1240 | ||
1241 | const bfd_target pef_xlib_vec = | |
1242 | { | |
1243 | "pef-xlib", /* name */ | |
1244 | bfd_target_pef_xlib_flavour, /* flavour */ | |
1245 | BFD_ENDIAN_BIG, /* byteorder */ | |
1246 | BFD_ENDIAN_BIG, /* header_byteorder */ | |
1247 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1248 | HAS_LINENO | HAS_DEBUG | | |
1249 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1250 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
1251 | | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */ | |
1252 | 0, /* symbol_leading_char */ | |
1253 | ' ', /* ar_pad_char */ | |
1254 | 16, /* ar_max_namelen */ | |
1255 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1256 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1257 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
1258 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1259 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1260 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1261 | { /* bfd_check_format */ | |
1262 | _bfd_dummy_target, | |
1263 | bfd_pef_xlib_object_p, /* bfd_check_format */ | |
1264 | _bfd_dummy_target, | |
1265 | _bfd_dummy_target, | |
1266 | }, | |
1267 | { /* bfd_set_format */ | |
1268 | bfd_false, | |
1269 | bfd_pef_mkobject, | |
1270 | bfd_false, | |
1271 | bfd_false, | |
1272 | }, | |
1273 | { /* bfd_write_contents */ | |
1274 | bfd_false, | |
1275 | bfd_true, | |
1276 | bfd_false, | |
1277 | bfd_false, | |
1278 | }, | |
1279 | ||
1280 | BFD_JUMP_TABLE_GENERIC (bfd_pef_xlib), | |
1281 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1282 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1283 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1284 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
1285 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
1286 | BFD_JUMP_TABLE_WRITE (_bfd_nowrite), | |
1287 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
1288 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1289 | ||
1290 | NULL, | |
e84d6fca | 1291 | |
3af9a47b NC |
1292 | NULL |
1293 | }; |