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 | 56 | #define bfd_pef_bfd_discard_group bfd_generic_discard_group |
082b7297 | 57 | #define bfd_pef_section_already_linked _bfd_generic_section_already_linked |
29e1a6e4 NC |
58 | #define bfd_pef_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
59 | #define bfd_pef_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
60 | #define bfd_pef_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
61 | #define bfd_pef_bfd_link_just_syms _bfd_generic_link_just_syms | |
62 | #define bfd_pef_bfd_final_link _bfd_generic_final_link | |
63 | #define bfd_pef_bfd_link_split_section _bfd_generic_link_split_section | |
64 | #define bfd_pef_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
65 | ||
66 | static void bfd_pef_print_symbol PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); | |
67 | static void bfd_pef_convert_architecture PARAMS ((unsigned long, enum bfd_architecture *, unsigned long *)); | |
68 | static bfd_boolean bfd_pef_mkobject PARAMS ((bfd *)); | |
69 | static int bfd_pef_parse_traceback_table PARAMS ((bfd *, asection *, unsigned char *, size_t, size_t, asymbol *, FILE *)); | |
70 | static const char *bfd_pef_section_name PARAMS ((bfd_pef_section *)); | |
71 | static unsigned long bfd_pef_section_flags PARAMS ((bfd_pef_section *)); | |
72 | static asection *bfd_pef_make_bfd_section PARAMS ((bfd *, bfd_pef_section *)); | |
73 | static int bfd_pef_read_header PARAMS ((bfd *, bfd_pef_header *)); | |
74 | static const bfd_target *bfd_pef_object_p PARAMS ((bfd *)); | |
75 | static int bfd_pef_parse_traceback_tables PARAMS ((bfd *, asection *, unsigned char *, size_t, long *, asymbol **)); | |
76 | static int bfd_pef_parse_function_stub PARAMS ((bfd *, unsigned char *, size_t, unsigned long *)); | |
77 | static int bfd_pef_parse_function_stubs PARAMS ((bfd *, asection *, unsigned char *, size_t, unsigned char *, size_t, unsigned long *, asymbol **)); | |
78 | static long bfd_pef_parse_symbols PARAMS ((bfd *, asymbol **)); | |
79 | static long bfd_pef_count_symbols PARAMS ((bfd *)); | |
80 | static long bfd_pef_get_symtab_upper_bound PARAMS ((bfd *)); | |
6cee3f79 | 81 | static long bfd_pef_canonicalize_symtab PARAMS ((bfd *, asymbol **)); |
29e1a6e4 NC |
82 | static asymbol *bfd_pef_make_empty_symbol PARAMS ((bfd *)); |
83 | static void bfd_pef_get_symbol_info PARAMS ((bfd *, asymbol *, symbol_info *)); | |
84 | static int bfd_pef_sizeof_headers PARAMS ((bfd *, bfd_boolean)); | |
85 | static int bfd_pef_xlib_read_header PARAMS ((bfd *, bfd_pef_xlib_header *)); | |
86 | static int bfd_pef_xlib_scan PARAMS ((bfd *, bfd_pef_xlib_header *)); | |
87 | static const bfd_target *bfd_pef_xlib_object_p PARAMS ((bfd *)); | |
3af9a47b NC |
88 | |
89 | static void | |
90 | bfd_pef_print_symbol (abfd, afile, symbol, how) | |
91 | bfd *abfd; | |
92 | PTR afile; | |
93 | asymbol *symbol; | |
94 | bfd_print_symbol_type how; | |
95 | { | |
96 | FILE *file = (FILE *) afile; | |
29e1a6e4 | 97 | |
e84d6fca AM |
98 | switch (how) |
99 | { | |
100 | case bfd_print_symbol_name: | |
101 | fprintf (file, "%s", symbol->name); | |
102 | break; | |
103 | default: | |
104 | bfd_print_symbol_vandf (abfd, (PTR) file, symbol); | |
105 | fprintf (file, " %-5s %s", symbol->section->name, symbol->name); | |
106 | if (strncmp (symbol->name, "__traceback_", strlen ("__traceback_")) == 0) | |
107 | { | |
108 | char *buf = alloca (symbol->udata.i); | |
109 | size_t offset = symbol->value + 4; | |
110 | size_t len = symbol->udata.i; | |
111 | int ret; | |
112 | ||
113 | bfd_get_section_contents (abfd, symbol->section, buf, offset, len); | |
114 | ret = bfd_pef_parse_traceback_table (abfd, symbol->section, buf, | |
115 | len, 0, NULL, file); | |
116 | if (ret < 0) | |
117 | fprintf (file, " [ERROR]"); | |
118 | } | |
3af9a47b | 119 | } |
3af9a47b NC |
120 | } |
121 | ||
e84d6fca AM |
122 | static void |
123 | bfd_pef_convert_architecture (architecture, type, subtype) | |
3af9a47b NC |
124 | unsigned long architecture; |
125 | enum bfd_architecture *type; | |
126 | unsigned long *subtype; | |
127 | { | |
3af9a47b NC |
128 | const unsigned long ARCH_POWERPC = 0x70777063; /* 'pwpc' */ |
129 | const unsigned long ARCH_M68K = 0x6d36386b; /* 'm68k' */ | |
e84d6fca | 130 | |
eddc4f81 KD |
131 | *subtype = bfd_arch_unknown; |
132 | *type = bfd_arch_unknown; | |
133 | ||
3af9a47b NC |
134 | if (architecture == ARCH_POWERPC) |
135 | *type = bfd_arch_powerpc; | |
136 | else if (architecture == ARCH_M68K) | |
137 | *type = bfd_arch_m68k; | |
138 | } | |
139 | ||
b34976b6 | 140 | static bfd_boolean |
3af9a47b NC |
141 | bfd_pef_mkobject (abfd) |
142 | bfd *abfd ATTRIBUTE_UNUSED; | |
143 | { | |
b34976b6 | 144 | return TRUE; |
3af9a47b NC |
145 | } |
146 | ||
147 | static int | |
148 | bfd_pef_parse_traceback_table (abfd, section, buf, len, pos, sym, file) | |
149 | bfd *abfd; | |
150 | asection *section; | |
151 | unsigned char *buf; | |
152 | size_t len; | |
153 | size_t pos; | |
154 | asymbol *sym; | |
155 | FILE *file; | |
156 | { | |
157 | struct traceback_table table; | |
158 | size_t offset; | |
159 | const char *s; | |
160 | asymbol tmpsymbol; | |
e84d6fca AM |
161 | |
162 | if (sym == NULL) | |
163 | sym = &tmpsymbol; | |
3af9a47b NC |
164 | |
165 | sym->name = NULL; | |
166 | sym->value = 0; | |
167 | sym->the_bfd = abfd; | |
168 | sym->section = section; | |
169 | sym->flags = 0; | |
170 | sym->udata.i = 0; | |
171 | ||
29e1a6e4 | 172 | /* memcpy is fine since all fields are unsigned char. */ |
3af9a47b | 173 | |
e84d6fca AM |
174 | if ((pos + 8) > len) |
175 | return -1; | |
3af9a47b | 176 | memcpy (&table, buf + pos, 8); |
3af9a47b | 177 | |
29e1a6e4 NC |
178 | /* Calling code relies on returned symbols having a name and |
179 | correct offset. */ | |
e84d6fca AM |
180 | |
181 | if ((table.lang != TB_C) && (table.lang != TB_CPLUSPLUS)) | |
3af9a47b | 182 | return -1; |
e84d6fca AM |
183 | |
184 | if (! (table.flags2 & TB_NAME_PRESENT)) | |
3af9a47b | 185 | return -1; |
e84d6fca AM |
186 | |
187 | if (! table.flags1 & TB_HAS_TBOFF) | |
3af9a47b | 188 | return -1; |
3af9a47b NC |
189 | |
190 | offset = 8; | |
191 | ||
e84d6fca AM |
192 | if ((table.flags5 & TB_FLOATPARAMS) || (table.fixedparams)) |
193 | offset += 4; | |
3af9a47b | 194 | |
e84d6fca AM |
195 | if (table.flags1 & TB_HAS_TBOFF) |
196 | { | |
197 | struct traceback_table_tboff off; | |
3af9a47b | 198 | |
e84d6fca AM |
199 | if ((pos + offset + 4) > len) |
200 | return -1; | |
201 | off.tb_offset = bfd_getb32 (buf + pos + offset); | |
202 | offset += 4; | |
3af9a47b | 203 | |
29e1a6e4 NC |
204 | /* Need to subtract 4 because the offset includes the 0x0L |
205 | preceding the table. */ | |
3af9a47b | 206 | |
e84d6fca AM |
207 | if (file != NULL) |
208 | fprintf (file, " [offset = 0x%lx]", off.tb_offset); | |
3af9a47b | 209 | |
e84d6fca AM |
210 | if ((file == NULL) && ((off.tb_offset + 4) > (pos + offset))) |
211 | return -1; | |
212 | ||
213 | sym->value = pos - off.tb_offset - 4; | |
3af9a47b | 214 | } |
3af9a47b | 215 | |
e84d6fca | 216 | if (table.flags2 & TB_INT_HNDL) |
3af9a47b | 217 | offset += 4; |
3af9a47b | 218 | |
e84d6fca AM |
219 | if (table.flags1 & TB_HAS_CTL) |
220 | { | |
221 | struct traceback_table_anchors anchors; | |
3af9a47b | 222 | |
e84d6fca AM |
223 | if ((pos + offset + 4) > len) |
224 | return -1; | |
225 | anchors.ctl_info = bfd_getb32 (buf + pos + offset); | |
226 | offset += 4; | |
3af9a47b | 227 | |
e84d6fca AM |
228 | if (anchors.ctl_info > 1024) |
229 | return -1; | |
3af9a47b | 230 | |
e84d6fca | 231 | offset += anchors.ctl_info * 4; |
3af9a47b NC |
232 | } |
233 | ||
e84d6fca AM |
234 | if (table.flags2 & TB_NAME_PRESENT) |
235 | { | |
236 | struct traceback_table_routine name; | |
237 | char *namebuf; | |
3af9a47b | 238 | |
e84d6fca AM |
239 | if ((pos + offset + 2) > len) |
240 | return -1; | |
241 | name.name_len = bfd_getb16 (buf + pos + offset); | |
242 | offset += 2; | |
3af9a47b | 243 | |
e84d6fca AM |
244 | if (name.name_len > 4096) |
245 | return -1; | |
3af9a47b | 246 | |
e84d6fca AM |
247 | if ((pos + offset + name.name_len) > len) |
248 | return -1; | |
3af9a47b | 249 | |
e84d6fca AM |
250 | namebuf = (char *) bfd_alloc (abfd, name.name_len + 1); |
251 | if (namebuf == NULL) | |
252 | return -1; | |
3af9a47b | 253 | |
e84d6fca AM |
254 | memcpy (namebuf, buf + pos + offset, name.name_len); |
255 | namebuf[name.name_len] = '\0'; | |
3af9a47b | 256 | |
29e1a6e4 | 257 | /* Strip leading period inserted by compiler. */ |
e84d6fca AM |
258 | if (namebuf[0] == '.') |
259 | memmove (namebuf, namebuf + 1, name.name_len + 1); | |
3af9a47b | 260 | |
e84d6fca | 261 | sym->name = namebuf; |
3af9a47b | 262 | |
e84d6fca | 263 | for (s = sym->name; (*s != '\0'); s++) |
29e1a6e4 | 264 | if (! ISPRINT (*s)) |
e84d6fca | 265 | return -1; |
3af9a47b | 266 | |
e84d6fca | 267 | offset += name.name_len; |
3af9a47b NC |
268 | } |
269 | ||
e84d6fca | 270 | if (table.flags2 & TB_USES_ALLOCA) |
3af9a47b | 271 | offset += 4; |
3af9a47b | 272 | |
e84d6fca | 273 | if (table.flags4 & TB_HAS_VEC_INFO) |
3af9a47b | 274 | offset += 4; |
3af9a47b | 275 | |
e84d6fca | 276 | if (file != NULL) |
3af9a47b | 277 | fprintf (file, " [length = 0x%lx]", (long) offset); |
e84d6fca | 278 | |
3af9a47b NC |
279 | return offset; |
280 | } | |
281 | ||
282 | static const char *bfd_pef_section_name (section) | |
283 | bfd_pef_section *section; | |
284 | { | |
e84d6fca AM |
285 | switch (section->section_kind) |
286 | { | |
287 | case BFD_PEF_SECTION_CODE: return "code"; | |
288 | case BFD_PEF_SECTION_UNPACKED_DATA: return "unpacked-data"; | |
289 | case BFD_PEF_SECTION_PACKED_DATA: return "packed-data"; | |
290 | case BFD_PEF_SECTION_CONSTANT: return "constant"; | |
291 | case BFD_PEF_SECTION_LOADER: return "loader"; | |
292 | case BFD_PEF_SECTION_DEBUG: return "debug"; | |
293 | case BFD_PEF_SECTION_EXEC_DATA: return "exec-data"; | |
294 | case BFD_PEF_SECTION_EXCEPTION: return "exception"; | |
295 | case BFD_PEF_SECTION_TRACEBACK: return "traceback"; | |
296 | default: return "unknown"; | |
297 | } | |
3af9a47b NC |
298 | } |
299 | ||
300 | static unsigned long bfd_pef_section_flags (section) | |
301 | bfd_pef_section *section; | |
302 | { | |
e84d6fca AM |
303 | switch (section->section_kind) |
304 | { | |
305 | case BFD_PEF_SECTION_CODE: | |
306 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; | |
307 | case BFD_PEF_SECTION_UNPACKED_DATA: | |
308 | case BFD_PEF_SECTION_PACKED_DATA: | |
309 | case BFD_PEF_SECTION_CONSTANT: | |
310 | case BFD_PEF_SECTION_LOADER: | |
311 | case BFD_PEF_SECTION_DEBUG: | |
312 | case BFD_PEF_SECTION_EXEC_DATA: | |
313 | case BFD_PEF_SECTION_EXCEPTION: | |
314 | case BFD_PEF_SECTION_TRACEBACK: | |
315 | default: | |
316 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; | |
317 | } | |
3af9a47b NC |
318 | } |
319 | ||
320 | static asection * | |
321 | bfd_pef_make_bfd_section (abfd, section) | |
322 | bfd *abfd; | |
323 | bfd_pef_section *section; | |
324 | { | |
325 | asection *bfdsec; | |
326 | const char *name = bfd_pef_section_name (section); | |
327 | ||
328 | bfdsec = bfd_make_section_anyway (abfd, name); | |
e84d6fca AM |
329 | if (bfdsec == NULL) |
330 | return NULL; | |
331 | ||
3af9a47b NC |
332 | bfdsec->vma = section->default_address + section->container_offset; |
333 | bfdsec->lma = section->default_address + section->container_offset; | |
eea6121a | 334 | bfdsec->size = section->container_length; |
3af9a47b NC |
335 | bfdsec->filepos = section->container_offset; |
336 | bfdsec->alignment_power = section->alignment; | |
337 | ||
338 | bfdsec->flags = bfd_pef_section_flags (section); | |
339 | ||
340 | return bfdsec; | |
341 | } | |
342 | ||
343 | int bfd_pef_parse_loader_header (abfd, buf, len, header) | |
344 | bfd *abfd ATTRIBUTE_UNUSED; | |
345 | unsigned char *buf; | |
346 | size_t len; | |
347 | bfd_pef_loader_header *header; | |
348 | { | |
349 | BFD_ASSERT (len == 56); | |
350 | ||
351 | header->main_section = bfd_getb32 (buf); | |
352 | header->main_offset = bfd_getb32 (buf + 4); | |
353 | header->init_section = bfd_getb32 (buf + 8); | |
354 | header->init_offset = bfd_getb32 (buf + 12); | |
355 | header->term_section = bfd_getb32 (buf + 16); | |
356 | header->term_offset = bfd_getb32 (buf + 20); | |
357 | header->imported_library_count = bfd_getb32 (buf + 24); | |
358 | header->total_imported_symbol_count = bfd_getb32 (buf + 28); | |
359 | header->reloc_section_count = bfd_getb32 (buf + 32); | |
360 | header->reloc_instr_offset = bfd_getb32 (buf + 36); | |
361 | header->loader_strings_offset = bfd_getb32 (buf + 40); | |
362 | header->export_hash_offset = bfd_getb32 (buf + 44); | |
363 | header->export_hash_table_power = bfd_getb32 (buf + 48); | |
364 | header->exported_symbol_count = bfd_getb32 (buf + 52); | |
365 | ||
366 | return 0; | |
367 | } | |
368 | ||
369 | int bfd_pef_parse_imported_library (abfd, buf, len, header) | |
370 | bfd *abfd ATTRIBUTE_UNUSED; | |
371 | unsigned char *buf; | |
372 | size_t len; | |
373 | bfd_pef_imported_library *header; | |
374 | { | |
375 | BFD_ASSERT (len == 24); | |
376 | ||
377 | header->name_offset = bfd_getb32 (buf); | |
378 | header->old_implementation_version = bfd_getb32 (buf + 4); | |
379 | header->current_version = bfd_getb32 (buf + 8); | |
380 | header->imported_symbol_count = bfd_getb32 (buf + 12); | |
381 | header->first_imported_symbol = bfd_getb32 (buf + 16); | |
382 | header->options = buf[20]; | |
383 | header->reserved_a = buf[21]; | |
384 | header->reserved_b = bfd_getb16 (buf + 22); | |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
389 | int bfd_pef_parse_imported_symbol (abfd, buf, len, symbol) | |
390 | bfd *abfd ATTRIBUTE_UNUSED; | |
391 | unsigned char *buf; | |
392 | size_t len; | |
393 | bfd_pef_imported_symbol *symbol; | |
394 | { | |
395 | unsigned long value; | |
396 | ||
397 | BFD_ASSERT (len == 4); | |
398 | ||
399 | value = bfd_getb32 (buf); | |
400 | symbol->class = value >> 24; | |
401 | symbol->name = value & 0x00ffffff; | |
402 | ||
403 | return 0; | |
404 | } | |
405 | ||
406 | int bfd_pef_scan_section (abfd, section) | |
407 | bfd *abfd; | |
408 | bfd_pef_section *section; | |
409 | { | |
410 | unsigned char buf[28]; | |
e84d6fca | 411 | |
3af9a47b | 412 | bfd_seek (abfd, section->header_offset, SEEK_SET); |
e84d6fca AM |
413 | if (bfd_bread ((PTR) buf, 28, abfd) != 28) |
414 | return -1; | |
3af9a47b NC |
415 | |
416 | section->name_offset = bfd_h_get_32 (abfd, buf); | |
417 | section->default_address = bfd_h_get_32 (abfd, buf + 4); | |
418 | section->total_length = bfd_h_get_32 (abfd, buf + 8); | |
419 | section->unpacked_length = bfd_h_get_32 (abfd, buf + 12); | |
420 | section->container_length = bfd_h_get_32 (abfd, buf + 16); | |
421 | section->container_offset = bfd_h_get_32 (abfd, buf + 20); | |
422 | section->section_kind = buf[24]; | |
423 | section->share_kind = buf[25]; | |
424 | section->alignment = buf[26]; | |
425 | section->reserved = buf[27]; | |
426 | ||
427 | section->bfd_section = bfd_pef_make_bfd_section (abfd, section); | |
e84d6fca AM |
428 | if (section->bfd_section == NULL) |
429 | return -1; | |
3af9a47b NC |
430 | |
431 | return 0; | |
432 | } | |
433 | ||
434 | void | |
435 | bfd_pef_print_loader_header (abfd, header, file) | |
436 | bfd *abfd ATTRIBUTE_UNUSED; | |
437 | bfd_pef_loader_header *header; | |
438 | FILE *file; | |
439 | { | |
440 | fprintf (file, "main_section: %ld\n", header->main_section); | |
441 | fprintf (file, "main_offset: %lu\n", header->main_offset); | |
442 | fprintf (file, "init_section: %ld\n", header->init_section); | |
443 | fprintf (file, "init_offset: %lu\n", header->init_offset); | |
444 | fprintf (file, "term_section: %ld\n", header->term_section); | |
445 | fprintf (file, "term_offset: %lu\n", header->term_offset); | |
e84d6fca AM |
446 | fprintf (file, "imported_library_count: %lu\n", |
447 | header->imported_library_count); | |
448 | fprintf (file, "total_imported_symbol_count: %lu\n", | |
449 | header->total_imported_symbol_count); | |
3af9a47b NC |
450 | fprintf (file, "reloc_section_count: %lu\n", header->reloc_section_count); |
451 | fprintf (file, "reloc_instr_offset: %lu\n", header->reloc_instr_offset); | |
e84d6fca AM |
452 | fprintf (file, "loader_strings_offset: %lu\n", |
453 | header->loader_strings_offset); | |
3af9a47b | 454 | fprintf (file, "export_hash_offset: %lu\n", header->export_hash_offset); |
e84d6fca AM |
455 | fprintf (file, "export_hash_table_power: %lu\n", |
456 | header->export_hash_table_power); | |
457 | fprintf (file, "exported_symbol_count: %lu\n", | |
458 | header->exported_symbol_count); | |
3af9a47b NC |
459 | } |
460 | ||
461 | int | |
462 | bfd_pef_print_loader_section (abfd, file) | |
463 | bfd *abfd; | |
464 | FILE *file; | |
465 | { | |
466 | bfd_pef_loader_header header; | |
467 | asection *loadersec = NULL; | |
468 | unsigned char *loaderbuf = NULL; | |
469 | size_t loaderlen = 0; | |
470 | int ret; | |
471 | ||
472 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
e84d6fca AM |
473 | if (loadersec == NULL) |
474 | return -1; | |
475 | ||
eea6121a | 476 | loaderlen = loadersec->size; |
3af9a47b NC |
477 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); |
478 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) | |
e84d6fca AM |
479 | { |
480 | free (loaderbuf); | |
481 | return -1; | |
482 | } | |
3af9a47b | 483 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) |
e84d6fca AM |
484 | { |
485 | free (loaderbuf); | |
486 | return -1; | |
487 | } | |
3af9a47b | 488 | |
e84d6fca AM |
489 | if (loaderlen < 56) |
490 | { | |
491 | free (loaderbuf); | |
492 | return -1; | |
493 | } | |
3af9a47b | 494 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); |
e84d6fca AM |
495 | if (ret < 0) |
496 | { | |
497 | free (loaderbuf); | |
498 | return -1; | |
499 | } | |
3af9a47b NC |
500 | |
501 | bfd_pef_print_loader_header (abfd, &header, file); | |
502 | return 0; | |
503 | } | |
504 | ||
505 | int | |
506 | bfd_pef_scan_start_address (abfd) | |
507 | bfd *abfd; | |
508 | { | |
509 | bfd_pef_loader_header header; | |
510 | asection *section; | |
511 | ||
512 | asection *loadersec = NULL; | |
513 | unsigned char *loaderbuf = NULL; | |
514 | size_t loaderlen = 0; | |
515 | int ret; | |
516 | ||
517 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
e84d6fca AM |
518 | if (loadersec == NULL) |
519 | goto end; | |
520 | ||
eea6121a | 521 | loaderlen = loadersec->size; |
3af9a47b | 522 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); |
e84d6fca AM |
523 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
524 | goto error; | |
525 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) | |
526 | goto error; | |
3af9a47b | 527 | |
e84d6fca AM |
528 | if (loaderlen < 56) |
529 | goto error; | |
3af9a47b | 530 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); |
e84d6fca AM |
531 | if (ret < 0) |
532 | goto error; | |
533 | ||
534 | if (header.main_section < 0) | |
535 | goto end; | |
536 | ||
537 | for (section = abfd->sections; section != NULL; section = section->next) | |
538 | if ((section->index + 1) == header.main_section) | |
539 | break; | |
3af9a47b | 540 | |
e84d6fca AM |
541 | if (section == NULL) |
542 | goto error; | |
3af9a47b | 543 | |
3af9a47b NC |
544 | abfd->start_address = section->vma + header.main_offset; |
545 | ||
546 | end: | |
e84d6fca AM |
547 | if (loaderbuf != NULL) |
548 | free (loaderbuf); | |
3af9a47b NC |
549 | return 0; |
550 | ||
551 | error: | |
e84d6fca AM |
552 | if (loaderbuf != NULL) |
553 | free (loaderbuf); | |
3af9a47b NC |
554 | return -1; |
555 | } | |
556 | ||
557 | int | |
e84d6fca | 558 | bfd_pef_scan (abfd, header, mdata) |
3af9a47b NC |
559 | bfd *abfd; |
560 | bfd_pef_header *header; | |
e84d6fca | 561 | bfd_pef_data_struct *mdata; |
3af9a47b NC |
562 | { |
563 | unsigned int i; | |
3af9a47b NC |
564 | enum bfd_architecture cputype; |
565 | unsigned long cpusubtype; | |
566 | ||
e84d6fca | 567 | mdata->header = *header; |
3af9a47b | 568 | |
3af9a47b | 569 | bfd_pef_convert_architecture (header->architecture, &cputype, &cpusubtype); |
e84d6fca AM |
570 | if (cputype == bfd_arch_unknown) |
571 | { | |
572 | fprintf (stderr, "bfd_pef_scan: unknown architecture 0x%lx\n", | |
573 | header->architecture); | |
574 | return -1; | |
575 | } | |
3af9a47b NC |
576 | bfd_set_arch_mach (abfd, cputype, cpusubtype); |
577 | ||
578 | mdata->header = *header; | |
579 | ||
e84d6fca AM |
580 | abfd->flags = (abfd->xvec->object_flags |
581 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b | 582 | |
e84d6fca AM |
583 | if (header->section_count != 0) |
584 | { | |
585 | mdata->sections = | |
586 | ((bfd_pef_section *) | |
587 | bfd_alloc (abfd, header->section_count * sizeof (bfd_pef_section))); | |
3af9a47b | 588 | |
e84d6fca | 589 | if (mdata->sections == NULL) |
3af9a47b | 590 | return -1; |
e84d6fca AM |
591 | |
592 | for (i = 0; i < header->section_count; i++) | |
593 | { | |
594 | bfd_pef_section *cur = &mdata->sections[i]; | |
595 | cur->header_offset = 40 + (i * 28); | |
596 | if (bfd_pef_scan_section (abfd, cur) < 0) | |
597 | return -1; | |
598 | } | |
3af9a47b | 599 | } |
3af9a47b | 600 | |
e84d6fca AM |
601 | if (bfd_pef_scan_start_address (abfd) < 0) |
602 | { | |
3af9a47b | 603 | #if 0 |
e84d6fca AM |
604 | fprintf (stderr, "bfd_pef_scan: unable to scan start address: %s\n", |
605 | bfd_errmsg (bfd_get_error ())); | |
606 | return -1; | |
3af9a47b | 607 | #endif |
e84d6fca | 608 | } |
3af9a47b NC |
609 | |
610 | abfd->tdata.pef_data = mdata; | |
611 | ||
612 | return 0; | |
613 | } | |
614 | ||
615 | static int | |
616 | bfd_pef_read_header (abfd, header) | |
617 | bfd *abfd; | |
618 | bfd_pef_header *header; | |
619 | { | |
620 | unsigned char buf[40]; | |
621 | ||
622 | bfd_seek (abfd, 0, SEEK_SET); | |
623 | ||
e84d6fca AM |
624 | if (bfd_bread ((PTR) buf, 40, abfd) != 40) |
625 | return -1; | |
3af9a47b NC |
626 | |
627 | header->tag1 = bfd_getb32 (buf); | |
628 | header->tag2 = bfd_getb32 (buf + 4); | |
629 | header->architecture = bfd_getb32 (buf + 8); | |
630 | header->format_version = bfd_getb32 (buf + 12); | |
631 | header->timestamp = bfd_getb32 (buf + 16); | |
632 | header->old_definition_version = bfd_getb32 (buf + 20); | |
633 | header->old_implementation_version = bfd_getb32 (buf + 24); | |
634 | header->current_version = bfd_getb32 (buf + 28); | |
635 | header->section_count = bfd_getb32 (buf + 32) + 1; | |
636 | header->instantiated_section_count = bfd_getb32 (buf + 34); | |
637 | header->reserved = bfd_getb32 (buf + 36); | |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
642 | static const bfd_target * | |
643 | bfd_pef_object_p (abfd) | |
644 | bfd *abfd; | |
645 | { | |
e84d6fca | 646 | struct bfd_preserve preserve; |
3af9a47b | 647 | bfd_pef_header header; |
3af9a47b | 648 | |
e84d6fca AM |
649 | preserve.marker = NULL; |
650 | if (bfd_pef_read_header (abfd, &header) != 0) | |
651 | goto wrong; | |
3af9a47b | 652 | |
e84d6fca AM |
653 | if (header.tag1 != BFD_PEF_TAG1 || header.tag2 != BFD_PEF_TAG2) |
654 | goto wrong; | |
655 | ||
656 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_pef_data_struct)); | |
657 | if (preserve.marker == NULL | |
658 | || !bfd_preserve_save (abfd, &preserve)) | |
659 | goto fail; | |
3af9a47b | 660 | |
e84d6fca AM |
661 | if (bfd_pef_scan (abfd, &header, |
662 | (bfd_pef_data_struct *) preserve.marker) != 0) | |
663 | goto wrong; | |
664 | ||
665 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b | 666 | return abfd->xvec; |
e84d6fca AM |
667 | |
668 | wrong: | |
669 | bfd_set_error (bfd_error_wrong_format); | |
670 | ||
671 | fail: | |
672 | if (preserve.marker != NULL) | |
673 | bfd_preserve_restore (abfd, &preserve); | |
674 | return NULL; | |
3af9a47b NC |
675 | } |
676 | ||
677 | static int bfd_pef_parse_traceback_tables (abfd, sec, buf, len, nsym, csym) | |
678 | bfd *abfd; | |
679 | asection *sec; | |
680 | unsigned char *buf; | |
681 | size_t len; | |
682 | long *nsym; | |
683 | asymbol **csym; | |
684 | { | |
685 | char *name; | |
686 | ||
687 | asymbol function; | |
688 | asymbol traceback; | |
689 | ||
690 | const char *const tbprefix = "__traceback_"; | |
691 | size_t tbnamelen; | |
692 | ||
693 | size_t pos = 0; | |
694 | unsigned long count = 0; | |
695 | int ret; | |
696 | ||
e84d6fca AM |
697 | for (;;) |
698 | { | |
29e1a6e4 | 699 | /* We're reading symbols two at a time. */ |
e84d6fca AM |
700 | if (csym && ((csym[count] == NULL) || (csym[count + 1] == NULL))) |
701 | break; | |
3af9a47b | 702 | |
e84d6fca AM |
703 | pos += 3; |
704 | pos -= (pos % 4); | |
3af9a47b | 705 | |
e84d6fca AM |
706 | while ((pos + 4) <= len) |
707 | { | |
708 | if (bfd_getb32 (buf + pos) == 0) | |
709 | break; | |
710 | pos += 4; | |
711 | } | |
3af9a47b | 712 | |
e84d6fca AM |
713 | if ((pos + 4) > len) |
714 | break; | |
3af9a47b | 715 | |
e84d6fca AM |
716 | ret = bfd_pef_parse_traceback_table (abfd, sec, buf, len, pos + 4, |
717 | &function, 0); | |
718 | if (ret < 0) | |
719 | { | |
29e1a6e4 | 720 | /* Skip over 0x0L to advance to next possible traceback table. */ |
e84d6fca AM |
721 | pos += 4; |
722 | continue; | |
723 | } | |
3af9a47b | 724 | |
e84d6fca AM |
725 | BFD_ASSERT (function.name != NULL); |
726 | ||
727 | /* Don't bother to compute the name if we are just | |
29e1a6e4 | 728 | counting symbols. */ |
e84d6fca AM |
729 | |
730 | if (csym) | |
731 | { | |
732 | tbnamelen = strlen (tbprefix) + strlen (function.name); | |
733 | name = bfd_alloc (abfd, tbnamelen + 1); | |
734 | if (name == NULL) | |
735 | { | |
736 | bfd_release (abfd, (PTR) function.name); | |
737 | function.name = NULL; | |
738 | break; | |
739 | } | |
740 | snprintf (name, tbnamelen + 1, "%s%s", tbprefix, function.name); | |
741 | traceback.name = name; | |
742 | traceback.value = pos; | |
743 | traceback.the_bfd = abfd; | |
744 | traceback.section = sec; | |
745 | traceback.flags = 0; | |
746 | traceback.udata.i = ret; | |
747 | ||
748 | *(csym[count]) = function; | |
749 | *(csym[count + 1]) = traceback; | |
3af9a47b | 750 | } |
3af9a47b | 751 | |
e84d6fca AM |
752 | pos += ret; |
753 | count += 2; | |
754 | } | |
3af9a47b NC |
755 | |
756 | *nsym = count; | |
757 | return 0; | |
758 | } | |
759 | ||
760 | static int bfd_pef_parse_function_stub (abfd, buf, len, offset) | |
761 | bfd *abfd ATTRIBUTE_UNUSED; | |
762 | unsigned char *buf; | |
763 | size_t len; | |
764 | unsigned long *offset; | |
765 | { | |
766 | BFD_ASSERT (len == 24); | |
767 | ||
e84d6fca AM |
768 | if ((bfd_getb32 (buf) & 0xffff0000) != 0x81820000) |
769 | return -1; | |
770 | if (bfd_getb32 (buf + 4) != 0x90410014) | |
771 | return -1; | |
772 | if (bfd_getb32 (buf + 8) != 0x800c0000) | |
773 | return -1; | |
774 | if (bfd_getb32 (buf + 12) != 0x804c0004) | |
775 | return -1; | |
776 | if (bfd_getb32 (buf + 16) != 0x7c0903a6) | |
777 | return -1; | |
778 | if (bfd_getb32 (buf + 20) != 0x4e800420) | |
779 | return -1; | |
780 | ||
781 | if (offset != NULL) | |
3af9a47b | 782 | *offset = (bfd_getb32 (buf) & 0x0000ffff) / 4; |
3af9a47b NC |
783 | |
784 | return 0; | |
785 | } | |
786 | ||
e84d6fca AM |
787 | static int bfd_pef_parse_function_stubs (abfd, codesec, codebuf, codelen, |
788 | loaderbuf, loaderlen, nsym, csym) | |
3af9a47b NC |
789 | bfd *abfd; |
790 | asection *codesec; | |
791 | unsigned char *codebuf; | |
792 | size_t codelen; | |
793 | unsigned char *loaderbuf; | |
794 | size_t loaderlen; | |
795 | unsigned long *nsym; | |
796 | asymbol **csym; | |
797 | { | |
798 | const char *const sprefix = "__stub_"; | |
799 | ||
800 | size_t codepos = 0; | |
801 | unsigned long count = 0; | |
802 | ||
803 | bfd_pef_loader_header header; | |
804 | bfd_pef_imported_library *libraries = NULL; | |
805 | bfd_pef_imported_symbol *imports = NULL; | |
806 | ||
807 | unsigned long i; | |
808 | int ret; | |
809 | ||
e84d6fca AM |
810 | if (loaderlen < 56) |
811 | goto error; | |
3af9a47b NC |
812 | |
813 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); | |
e84d6fca AM |
814 | if (ret < 0) |
815 | goto error; | |
3af9a47b NC |
816 | |
817 | libraries = (bfd_pef_imported_library *) bfd_malloc | |
818 | (header.imported_library_count * sizeof (bfd_pef_imported_library)); | |
819 | imports = (bfd_pef_imported_symbol *) bfd_malloc | |
820 | (header.total_imported_symbol_count * sizeof (bfd_pef_imported_symbol)); | |
e84d6fca AM |
821 | |
822 | if (loaderlen < (56 + (header.imported_library_count * 24))) | |
823 | goto error; | |
824 | for (i = 0; i < header.imported_library_count; i++) | |
825 | { | |
826 | ret = bfd_pef_parse_imported_library | |
827 | (abfd, loaderbuf + 56 + (i * 24), 24, &libraries[i]); | |
828 | if (ret < 0) | |
829 | goto error; | |
830 | } | |
831 | ||
832 | if (loaderlen < (56 + (header.imported_library_count * 24) | |
833 | + (header.total_imported_symbol_count * 4))) | |
834 | goto error; | |
835 | for (i = 0; i < header.total_imported_symbol_count; i++) | |
836 | { | |
837 | ret = (bfd_pef_parse_imported_symbol | |
838 | (abfd, | |
839 | loaderbuf + 56 + (header.imported_library_count * 24) + (i * 4), | |
840 | 4, &imports[i])); | |
841 | if (ret < 0) | |
842 | goto error; | |
843 | } | |
844 | ||
3af9a47b NC |
845 | codepos = 0; |
846 | ||
e84d6fca AM |
847 | for (;;) |
848 | { | |
849 | asymbol sym; | |
850 | const char *symname; | |
851 | char *name; | |
852 | unsigned long index; | |
853 | int ret; | |
3af9a47b | 854 | |
e84d6fca AM |
855 | if (csym && (csym[count] == NULL)) |
856 | break; | |
3af9a47b | 857 | |
e84d6fca AM |
858 | codepos += 3; |
859 | codepos -= (codepos % 4); | |
3af9a47b | 860 | |
e84d6fca AM |
861 | while ((codepos + 4) <= codelen) |
862 | { | |
863 | if ((bfd_getb32 (codebuf + codepos) & 0xffff0000) == 0x81820000) | |
864 | break; | |
865 | codepos += 4; | |
866 | } | |
3af9a47b | 867 | |
e84d6fca | 868 | if ((codepos + 4) > codelen) |
3af9a47b | 869 | break; |
3af9a47b | 870 | |
e84d6fca AM |
871 | ret = bfd_pef_parse_function_stub (abfd, codebuf + codepos, 24, &index); |
872 | if (ret < 0) | |
873 | { | |
874 | codepos += 24; | |
875 | continue; | |
876 | } | |
3af9a47b | 877 | |
e84d6fca AM |
878 | if (index >= header.total_imported_symbol_count) |
879 | { | |
880 | codepos += 24; | |
881 | continue; | |
882 | } | |
3af9a47b | 883 | |
e84d6fca AM |
884 | { |
885 | size_t max, namelen; | |
886 | const char *s; | |
887 | ||
888 | if (loaderlen < (header.loader_strings_offset + imports[index].name)) | |
889 | goto error; | |
890 | ||
891 | max = loaderlen - (header.loader_strings_offset + imports[index].name); | |
892 | symname = loaderbuf + header.loader_strings_offset + imports[index].name; | |
893 | namelen = 0; | |
894 | for (s = symname; s < (symname + max); s++) | |
895 | { | |
896 | if (*s == '\0') | |
897 | break; | |
29e1a6e4 | 898 | if (! ISPRINT (*s)) |
e84d6fca AM |
899 | goto error; |
900 | namelen++; | |
901 | } | |
902 | if (*s != '\0') | |
903 | goto error; | |
904 | ||
905 | name = bfd_alloc (abfd, strlen (sprefix) + namelen + 1); | |
906 | if (name == NULL) | |
907 | break; | |
3af9a47b | 908 | |
e84d6fca AM |
909 | snprintf (name, strlen (sprefix) + namelen + 1, "%s%s", |
910 | sprefix, symname); | |
911 | sym.name = name; | |
912 | } | |
3af9a47b | 913 | |
e84d6fca AM |
914 | sym.value = codepos; |
915 | sym.the_bfd = abfd; | |
916 | sym.section = codesec; | |
917 | sym.flags = 0; | |
918 | sym.udata.i = 0; | |
3af9a47b | 919 | |
e84d6fca | 920 | codepos += 24; |
3af9a47b | 921 | |
e84d6fca AM |
922 | if (csym != NULL) |
923 | *(csym[count]) = sym; | |
3af9a47b | 924 | |
e84d6fca | 925 | count++; |
3af9a47b | 926 | } |
3af9a47b NC |
927 | |
928 | goto end; | |
929 | ||
930 | end: | |
e84d6fca AM |
931 | if (libraries != NULL) |
932 | free (libraries); | |
933 | if (imports != NULL) | |
934 | free (imports); | |
3af9a47b NC |
935 | *nsym = count; |
936 | return 0; | |
937 | ||
938 | error: | |
e84d6fca AM |
939 | if (libraries != NULL) |
940 | free (libraries); | |
941 | if (imports != NULL) | |
942 | free (imports); | |
3af9a47b NC |
943 | *nsym = count; |
944 | return -1; | |
e84d6fca | 945 | } |
3af9a47b NC |
946 | |
947 | static long bfd_pef_parse_symbols (abfd, csym) | |
948 | bfd *abfd; | |
949 | asymbol **csym; | |
950 | { | |
951 | unsigned long count = 0; | |
952 | ||
953 | asection *codesec = NULL; | |
954 | unsigned char *codebuf = NULL; | |
955 | size_t codelen = 0; | |
956 | ||
957 | asection *loadersec = NULL; | |
958 | unsigned char *loaderbuf = NULL; | |
959 | size_t loaderlen = 0; | |
960 | ||
961 | codesec = bfd_get_section_by_name (abfd, "code"); | |
962 | if (codesec != NULL) | |
963 | { | |
eea6121a | 964 | codelen = codesec->size; |
3af9a47b | 965 | codebuf = (unsigned char *) bfd_malloc (codelen); |
e84d6fca AM |
966 | if (bfd_seek (abfd, codesec->filepos, SEEK_SET) < 0) |
967 | goto end; | |
968 | if (bfd_bread ((PTR) codebuf, codelen, abfd) != codelen) | |
969 | goto end; | |
3af9a47b NC |
970 | } |
971 | ||
972 | loadersec = bfd_get_section_by_name (abfd, "loader"); | |
973 | if (loadersec != NULL) | |
974 | { | |
eea6121a | 975 | loaderlen = loadersec->size; |
3af9a47b | 976 | loaderbuf = (unsigned char *) bfd_malloc (loaderlen); |
e84d6fca AM |
977 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
978 | goto end; | |
979 | if (bfd_bread ((PTR) loaderbuf, loaderlen, abfd) != loaderlen) | |
980 | goto end; | |
3af9a47b | 981 | } |
e84d6fca | 982 | |
3af9a47b NC |
983 | count = 0; |
984 | if (codesec != NULL) | |
985 | { | |
986 | unsigned long ncount = 0; | |
e84d6fca AM |
987 | bfd_pef_parse_traceback_tables (abfd, codesec, codebuf, codelen, |
988 | &ncount, csym); | |
3af9a47b NC |
989 | count += ncount; |
990 | } | |
991 | ||
992 | if ((codesec != NULL) && (loadersec != NULL)) | |
993 | { | |
994 | unsigned long ncount = 0; | |
995 | bfd_pef_parse_function_stubs | |
996 | (abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, &ncount, | |
997 | (csym != NULL) ? (csym + count) : NULL); | |
998 | count += ncount; | |
999 | } | |
e84d6fca AM |
1000 | |
1001 | if (csym != NULL) | |
3af9a47b | 1002 | csym[count] = NULL; |
e84d6fca | 1003 | |
3af9a47b | 1004 | end: |
e84d6fca | 1005 | if (codebuf != NULL) |
3af9a47b NC |
1006 | free (codebuf); |
1007 | ||
e84d6fca AM |
1008 | if (loaderbuf != NULL) |
1009 | free (loaderbuf); | |
1010 | ||
3af9a47b NC |
1011 | return count; |
1012 | } | |
1013 | ||
1014 | static long | |
1015 | bfd_pef_count_symbols (abfd) | |
1016 | bfd *abfd; | |
1017 | { | |
1018 | return bfd_pef_parse_symbols (abfd, NULL); | |
1019 | } | |
1020 | ||
1021 | static long | |
1022 | bfd_pef_get_symtab_upper_bound (abfd) | |
1023 | bfd *abfd; | |
1024 | { | |
1025 | long nsyms = bfd_pef_count_symbols (abfd); | |
e84d6fca AM |
1026 | if (nsyms < 0) |
1027 | return nsyms; | |
3af9a47b NC |
1028 | return ((nsyms + 1) * sizeof (asymbol *)); |
1029 | } | |
1030 | ||
1031 | static long | |
6cee3f79 | 1032 | bfd_pef_canonicalize_symtab (abfd, alocation) |
3af9a47b NC |
1033 | bfd *abfd; |
1034 | asymbol **alocation; | |
1035 | { | |
1036 | long i; | |
1037 | asymbol *syms; | |
1038 | long ret; | |
1039 | ||
1040 | long nsyms = bfd_pef_count_symbols (abfd); | |
e84d6fca AM |
1041 | if (nsyms < 0) |
1042 | return nsyms; | |
3af9a47b NC |
1043 | |
1044 | syms = bfd_alloc (abfd, nsyms * sizeof (asymbol)); | |
e84d6fca AM |
1045 | if (syms == NULL) |
1046 | return -1; | |
3af9a47b | 1047 | |
e84d6fca | 1048 | for (i = 0; i < nsyms; i++) |
3af9a47b | 1049 | alocation[i] = &syms[i]; |
e84d6fca | 1050 | |
3af9a47b NC |
1051 | alocation[nsyms] = NULL; |
1052 | ||
1053 | ret = bfd_pef_parse_symbols (abfd, alocation); | |
e84d6fca | 1054 | if (ret != nsyms) |
3af9a47b | 1055 | return 0; |
3af9a47b NC |
1056 | |
1057 | return ret; | |
1058 | } | |
1059 | ||
1060 | static asymbol * | |
1061 | bfd_pef_make_empty_symbol (abfd) | |
1062 | bfd *abfd; | |
1063 | { | |
1064 | return (asymbol *) bfd_alloc (abfd, sizeof (asymbol)); | |
1065 | } | |
1066 | ||
1067 | static void | |
1068 | bfd_pef_get_symbol_info (abfd, symbol, ret) | |
1069 | bfd *abfd ATTRIBUTE_UNUSED; | |
1070 | asymbol *symbol; | |
1071 | symbol_info *ret; | |
1072 | { | |
1073 | bfd_symbol_info (symbol, ret); | |
1074 | } | |
1075 | ||
1076 | static int | |
1077 | bfd_pef_sizeof_headers (abfd, exec) | |
1078 | bfd *abfd ATTRIBUTE_UNUSED; | |
b34976b6 | 1079 | bfd_boolean exec ATTRIBUTE_UNUSED; |
3af9a47b NC |
1080 | { |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | const bfd_target pef_vec = | |
1085 | { | |
1086 | "pef", /* name */ | |
1087 | bfd_target_pef_flavour, /* flavour */ | |
1088 | BFD_ENDIAN_BIG, /* byteorder */ | |
1089 | BFD_ENDIAN_BIG, /* header_byteorder */ | |
1090 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1091 | HAS_LINENO | HAS_DEBUG | | |
1092 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1093 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
1094 | | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */ | |
1095 | 0, /* symbol_leading_char */ | |
1096 | ' ', /* ar_pad_char */ | |
1097 | 16, /* ar_max_namelen */ | |
1098 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1099 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1100 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
1101 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1102 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1103 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1104 | { /* bfd_check_format */ | |
1105 | _bfd_dummy_target, | |
1106 | bfd_pef_object_p, /* bfd_check_format */ | |
1107 | _bfd_dummy_target, | |
1108 | _bfd_dummy_target, | |
1109 | }, | |
1110 | { /* bfd_set_format */ | |
1111 | bfd_false, | |
1112 | bfd_pef_mkobject, | |
1113 | bfd_false, | |
1114 | bfd_false, | |
1115 | }, | |
1116 | { /* bfd_write_contents */ | |
1117 | bfd_false, | |
1118 | bfd_true, | |
1119 | bfd_false, | |
1120 | bfd_false, | |
1121 | }, | |
1122 | ||
1123 | BFD_JUMP_TABLE_GENERIC (bfd_pef), | |
1124 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1125 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1126 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1127 | BFD_JUMP_TABLE_SYMBOLS (bfd_pef), | |
1128 | BFD_JUMP_TABLE_RELOCS (bfd_pef), | |
1129 | BFD_JUMP_TABLE_WRITE (bfd_pef), | |
1130 | BFD_JUMP_TABLE_LINK (bfd_pef), | |
1131 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1132 | ||
1133 | NULL, | |
e84d6fca | 1134 | |
3af9a47b NC |
1135 | NULL |
1136 | }; | |
1137 | ||
1138 | #define bfd_pef_xlib_close_and_cleanup _bfd_generic_close_and_cleanup | |
1139 | #define bfd_pef_xlib_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
1140 | #define bfd_pef_xlib_new_section_hook _bfd_generic_new_section_hook | |
1141 | #define bfd_pef_xlib_get_section_contents _bfd_generic_get_section_contents | |
1142 | #define bfd_pef_xlib_set_section_contents _bfd_generic_set_section_contents | |
1143 | #define bfd_pef_xlib_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
1144 | #define bfd_pef_xlib_set_section_contents_in_window _bfd_generic_set_section_contents_in_window | |
1145 | ||
1146 | static int | |
1147 | bfd_pef_xlib_read_header (abfd, header) | |
1148 | bfd *abfd; | |
1149 | bfd_pef_xlib_header *header; | |
1150 | { | |
1151 | unsigned char buf[76]; | |
1152 | ||
1153 | bfd_seek (abfd, 0, SEEK_SET); | |
1154 | ||
e84d6fca AM |
1155 | if (bfd_bread ((PTR) buf, 76, abfd) != 76) |
1156 | return -1; | |
3af9a47b NC |
1157 | |
1158 | header->tag1 = bfd_getb32 (buf); | |
1159 | header->tag2 = bfd_getb32 (buf + 4); | |
1160 | header->current_format = bfd_getb32 (buf + 8); | |
1161 | header->container_strings_offset = bfd_getb32 (buf + 12); | |
1162 | header->export_hash_offset = bfd_getb32 (buf + 16); | |
1163 | header->export_key_offset = bfd_getb32 (buf + 20); | |
1164 | header->export_symbol_offset = bfd_getb32 (buf + 24); | |
1165 | header->export_names_offset = bfd_getb32 (buf + 28); | |
1166 | header->export_hash_table_power = bfd_getb32 (buf + 32); | |
1167 | header->exported_symbol_count = bfd_getb32 (buf + 36); | |
1168 | header->frag_name_offset = bfd_getb32 (buf + 40); | |
1169 | header->frag_name_length = bfd_getb32 (buf + 44); | |
1170 | header->dylib_path_offset = bfd_getb32 (buf + 48); | |
1171 | header->dylib_path_length = bfd_getb32 (buf + 52); | |
1172 | header->cpu_family = bfd_getb32 (buf + 56); | |
1173 | header->cpu_model = bfd_getb32 (buf + 60); | |
1174 | header->date_time_stamp = bfd_getb32 (buf + 64); | |
1175 | header->current_version = bfd_getb32 (buf + 68); | |
1176 | header->old_definition_version = bfd_getb32 (buf + 72); | |
1177 | header->old_implementation_version = bfd_getb32 (buf + 76); | |
1178 | ||
1179 | return 0; | |
1180 | } | |
1181 | ||
1182 | int | |
1183 | bfd_pef_xlib_scan (abfd, header) | |
1184 | bfd *abfd; | |
1185 | bfd_pef_xlib_header *header; | |
1186 | { | |
1187 | bfd_pef_xlib_data_struct *mdata = NULL; | |
1188 | ||
e84d6fca AM |
1189 | mdata = ((bfd_pef_xlib_data_struct *) |
1190 | bfd_alloc (abfd, sizeof (bfd_pef_xlib_data_struct))); | |
1191 | if (mdata == NULL) | |
3af9a47b | 1192 | return -1; |
3af9a47b | 1193 | |
3af9a47b NC |
1194 | mdata->header = *header; |
1195 | ||
e84d6fca AM |
1196 | abfd->flags = (abfd->xvec->object_flags |
1197 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b NC |
1198 | |
1199 | abfd->tdata.pef_xlib_data = mdata; | |
1200 | ||
1201 | return 0; | |
1202 | } | |
1203 | ||
1204 | static const bfd_target * | |
1205 | bfd_pef_xlib_object_p (abfd) | |
1206 | bfd *abfd; | |
1207 | { | |
e84d6fca | 1208 | struct bfd_preserve preserve; |
3af9a47b | 1209 | bfd_pef_xlib_header header; |
3af9a47b | 1210 | |
e84d6fca AM |
1211 | if (bfd_pef_xlib_read_header (abfd, &header) != 0) |
1212 | { | |
1213 | bfd_set_error (bfd_error_wrong_format); | |
1214 | return NULL; | |
1215 | } | |
3af9a47b | 1216 | |
e84d6fca AM |
1217 | if ((header.tag1 != BFD_PEF_XLIB_TAG1) |
1218 | || ((header.tag2 != BFD_PEF_VLIB_TAG2) | |
1219 | && (header.tag2 != BFD_PEF_BLIB_TAG2))) | |
1220 | { | |
1221 | bfd_set_error (bfd_error_wrong_format); | |
1222 | return NULL; | |
1223 | } | |
3af9a47b | 1224 | |
e84d6fca AM |
1225 | if (! bfd_preserve_save (abfd, &preserve)) |
1226 | { | |
1227 | bfd_set_error (bfd_error_wrong_format); | |
1228 | return NULL; | |
1229 | } | |
1230 | ||
1231 | if (bfd_pef_xlib_scan (abfd, &header) != 0) | |
1232 | { | |
1233 | bfd_preserve_restore (abfd, &preserve); | |
1234 | bfd_set_error (bfd_error_wrong_format); | |
1235 | return NULL; | |
1236 | } | |
1237 | ||
1238 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b NC |
1239 | return abfd->xvec; |
1240 | } | |
1241 | ||
1242 | const bfd_target pef_xlib_vec = | |
1243 | { | |
1244 | "pef-xlib", /* name */ | |
1245 | bfd_target_pef_xlib_flavour, /* flavour */ | |
1246 | BFD_ENDIAN_BIG, /* byteorder */ | |
1247 | BFD_ENDIAN_BIG, /* header_byteorder */ | |
1248 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1249 | HAS_LINENO | HAS_DEBUG | | |
1250 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1251 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA | |
1252 | | SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */ | |
1253 | 0, /* symbol_leading_char */ | |
1254 | ' ', /* ar_pad_char */ | |
1255 | 16, /* ar_max_namelen */ | |
1256 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1257 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1258 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
1259 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1260 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1261 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1262 | { /* bfd_check_format */ | |
1263 | _bfd_dummy_target, | |
1264 | bfd_pef_xlib_object_p, /* bfd_check_format */ | |
1265 | _bfd_dummy_target, | |
1266 | _bfd_dummy_target, | |
1267 | }, | |
1268 | { /* bfd_set_format */ | |
1269 | bfd_false, | |
1270 | bfd_pef_mkobject, | |
1271 | bfd_false, | |
1272 | bfd_false, | |
1273 | }, | |
1274 | { /* bfd_write_contents */ | |
1275 | bfd_false, | |
1276 | bfd_true, | |
1277 | bfd_false, | |
1278 | bfd_false, | |
1279 | }, | |
1280 | ||
1281 | BFD_JUMP_TABLE_GENERIC (bfd_pef_xlib), | |
1282 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1283 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1284 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
1285 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), | |
1286 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
1287 | BFD_JUMP_TABLE_WRITE (_bfd_nowrite), | |
1288 | BFD_JUMP_TABLE_LINK (_bfd_nolink), | |
1289 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1290 | ||
1291 | NULL, | |
e84d6fca | 1292 | |
3af9a47b NC |
1293 | NULL |
1294 | }; |