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explorer: Implement ABM_ADD and ABM_REMOVE.
[wine/multimedia.git] / dlls / dbghelp / symbol.c
blobf4f2d11644a49296efd75a9809dad49971249e50
1 /*
2 * File symbol.c - management of symbols (lexical tree)
3 *
4 * Copyright (C) 1993, Eric Youngdale.
5 * 2004, Eric Pouech
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library 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 GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #define NONAMELESSUNION
23 #define NONAMELESSSTRUCT
24
25 #include "config.h"
26
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <limits.h>
31 #include <sys/types.h>
32 #include <assert.h>
33 #ifdef HAVE_REGEX_H
34 # include <regex.h>
35 #endif
36
37 #include "wine/debug.h"
38 #include "dbghelp_private.h"
39 #include "winnls.h"
40
41 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
42 WINE_DECLARE_DEBUG_CHANNEL(dbghelp_symt);
43
44 static inline int cmp_addr(ULONG64 a1, ULONG64 a2)
45 {
46 if (a1 > a2) return 1;
47 if (a1 < a2) return -1;
48 return 0;
49 }
50
51 static inline int cmp_sorttab_addr(const struct module* module, int idx, ULONG64 addr)
52 {
53 ULONG64 ref;
54
55 symt_get_info(&module->addr_sorttab[idx]->symt, TI_GET_ADDRESS, &ref);
56 return cmp_addr(ref, addr);
57 }
58
59 int symt_cmp_addr(const void* p1, const void* p2)
60 {
61 const struct symt* sym1 = *(const struct symt* const *)p1;
62 const struct symt* sym2 = *(const struct symt* const *)p2;
63 ULONG64 a1, a2;
64
65 symt_get_info(sym1, TI_GET_ADDRESS, &a1);
66 symt_get_info(sym2, TI_GET_ADDRESS, &a2);
67 return cmp_addr(a1, a2);
68 }
69
70 static inline void re_append(char** mask, unsigned* len, char ch)
71 {
72 *mask = HeapReAlloc(GetProcessHeap(), 0, *mask, ++(*len));
73 (*mask)[*len - 2] = ch;
74 }
75
76 /* transforms a dbghelp's regular expression into a POSIX one
77 * Here are the valid dbghelp reg ex characters:
78 * * 0 or more characters
79 * ? a single character
80 * [] list
81 * # 0 or more of preceding char
82 * + 1 or more of preceding char
83 * escapes \ on #, ?, [, ], *, +. don't work on -
84 */
85 static void compile_regex(const char* str, int numchar, regex_t* re, BOOL _case)
86 {
87 char* mask = HeapAlloc(GetProcessHeap(), 0, 1);
88 unsigned len = 1;
89 BOOL in_escape = FALSE;
90 unsigned flags = REG_NOSUB;
91
92 re_append(&mask, &len, '^');
93
94 while (*str && numchar--)
95 {
96 /* FIXME: this shouldn't be valid on '-' */
97 if (in_escape)
98 {
99 re_append(&mask, &len, '\\');
100 re_append(&mask, &len, *str);
101 in_escape = FALSE;
102 }
103 else switch (*str)
104 {
105 case '\\': in_escape = TRUE; break;
106 case '*': re_append(&mask, &len, '.'); re_append(&mask, &len, '*'); break;
107 case '?': re_append(&mask, &len, '.'); break;
108 case '#': re_append(&mask, &len, '*'); break;
109 /* escape some valid characters in dbghelp reg exp:s */
110 case '$': re_append(&mask, &len, '\\'); re_append(&mask, &len, '$'); break;
111 /* +, [, ], - are the same in dbghelp & POSIX, use them as any other char */
112 default: re_append(&mask, &len, *str); break;
113 }
114 str++;
115 }
116 if (in_escape)
117 {
118 re_append(&mask, &len, '\\');
119 re_append(&mask, &len, '\\');
120 }
121 re_append(&mask, &len, '$');
122 mask[len - 1] = '\0';
123 if (_case) flags |= REG_ICASE;
124 if (regcomp(re, mask, flags)) FIXME("Couldn't compile %s\n", mask);
125 HeapFree(GetProcessHeap(), 0, mask);
126 }
127
128 struct symt_compiland* symt_new_compiland(struct module* module,
129 unsigned long address, unsigned src_idx)
130 {
131 struct symt_compiland* sym;
132
133 TRACE_(dbghelp_symt)("Adding compiland symbol %s:%s\n",
134 debugstr_w(module->module.ModuleName), source_get(module, src_idx));
135 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
136 {
137 sym->symt.tag = SymTagCompiland;
138 sym->address = address;
139 sym->source = src_idx;
140 vector_init(&sym->vchildren, sizeof(struct symt*), 32);
141 }
142 return sym;
143 }
144
145 struct symt_public* symt_new_public(struct module* module,
146 struct symt_compiland* compiland,
147 const char* name,
148 unsigned long address, unsigned size,
149 BOOL in_code, BOOL is_func)
150 {
151 struct symt_public* sym;
152 struct symt** p;
153
154 TRACE_(dbghelp_symt)("Adding public symbol %s:%s @%lx\n",
155 debugstr_w(module->module.ModuleName), name, address);
156 if ((dbghelp_options & SYMOPT_AUTO_PUBLICS) &&
157 symt_find_nearest(module, address) != NULL)
158 return NULL;
159 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
160 {
161 sym->symt.tag = SymTagPublicSymbol;
162 sym->hash_elt.name = pool_strdup(&module->pool, name);
163 hash_table_add(&module->ht_symbols, &sym->hash_elt);
164 module->sortlist_valid = FALSE;
165 sym->container = compiland ? &compiland->symt : NULL;
166 sym->address = address;
167 sym->size = size;
168 sym->in_code = in_code;
169 sym->is_function = is_func;
170 if (compiland)
171 {
172 p = vector_add(&compiland->vchildren, &module->pool);
173 *p = &sym->symt;
174 }
175 }
176 return sym;
177 }
178
179 struct symt_data* symt_new_global_variable(struct module* module,
180 struct symt_compiland* compiland,
181 const char* name, unsigned is_static,
182 unsigned long addr, unsigned long size,
183 struct symt* type)
184 {
185 struct symt_data* sym;
186 struct symt** p;
187 DWORD64 tsz;
188
189 TRACE_(dbghelp_symt)("Adding global symbol %s:%s @%lx %p\n",
190 debugstr_w(module->module.ModuleName), name, addr, type);
191 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
192 {
193 sym->symt.tag = SymTagData;
194 sym->hash_elt.name = pool_strdup(&module->pool, name);
195 hash_table_add(&module->ht_symbols, &sym->hash_elt);
196 module->sortlist_valid = FALSE;
197 sym->kind = is_static ? DataIsFileStatic : DataIsGlobal;
198 sym->container = compiland ? &compiland->symt : NULL;
199 sym->type = type;
200 sym->u.var.offset = addr;
201 if (type && size && symt_get_info(type, TI_GET_LENGTH, &tsz))
202 {
203 if (tsz != size)
204 FIXME("Size mismatch for %s.%s between type (%s) and src (%lu)\n",
205 debugstr_w(module->module.ModuleName), name,
206 wine_dbgstr_longlong(tsz), size);
207 }
208 if (compiland)
209 {
210 p = vector_add(&compiland->vchildren, &module->pool);
211 *p = &sym->symt;
212 }
213 }
214 return sym;
215 }
216
217 struct symt_function* symt_new_function(struct module* module,
218 struct symt_compiland* compiland,
219 const char* name,
220 unsigned long addr, unsigned long size,
221 struct symt* sig_type)
222 {
223 struct symt_function* sym;
224 struct symt** p;
225
226 TRACE_(dbghelp_symt)("Adding global function %s:%s @%lx-%lx\n",
227 debugstr_w(module->module.ModuleName), name, addr, addr + size - 1);
228
229 assert(!sig_type || sig_type->tag == SymTagFunctionType);
230 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
231 {
232 sym->symt.tag = SymTagFunction;
233 sym->hash_elt.name = pool_strdup(&module->pool, name);
234 hash_table_add(&module->ht_symbols, &sym->hash_elt);
235 module->sortlist_valid = FALSE;
236 sym->container = &compiland->symt;
237 sym->address = addr;
238 sym->type = sig_type;
239 sym->size = size;
240 vector_init(&sym->vlines, sizeof(struct line_info), 64);
241 vector_init(&sym->vchildren, sizeof(struct symt*), 8);
242 if (compiland)
243 {
244 p = vector_add(&compiland->vchildren, &module->pool);
245 *p = &sym->symt;
246 }
247 }
248 return sym;
249 }
250
251 void symt_add_func_line(struct module* module, struct symt_function* func,
252 unsigned source_idx, int line_num, unsigned long offset)
253 {
254 struct line_info* dli;
255 BOOL last_matches = FALSE;
256 int i;
257
258 if (func == NULL || !(dbghelp_options & SYMOPT_LOAD_LINES)) return;
259
260 TRACE_(dbghelp_symt)("(%p)%s:%lx %s:%u\n",
261 func, func->hash_elt.name, offset,
262 source_get(module, source_idx), line_num);
263
264 assert(func->symt.tag == SymTagFunction);
265
266 for (i=vector_length(&func->vlines)-1; i>=0; i--)
267 {
268 dli = vector_at(&func->vlines, i);
269 if (dli->is_source_file)
270 {
271 last_matches = (source_idx == dli->u.source_file);
272 break;
273 }
274 }
275
276 if (!last_matches)
277 {
278 /* we shouldn't have line changes on first line of function */
279 dli = vector_add(&func->vlines, &module->pool);
280 dli->is_source_file = 1;
281 dli->is_first = dli->is_last = 0;
282 dli->line_number = 0;
283 dli->u.source_file = source_idx;
284 }
285 dli = vector_add(&func->vlines, &module->pool);
286 dli->is_source_file = 0;
287 dli->is_first = dli->is_last = 0;
288 dli->line_number = line_num;
289 dli->u.pc_offset = func->address + offset;
290 }
291
292 /******************************************************************
293 * symt_add_func_local
294 *
295 * Adds a new local/parameter to a given function:
296 * In any cases, dt tells whether it's a local variable or a parameter
297 * If regno it's not 0:
298 * - then variable is stored in a register
299 * - otherwise, value is referenced by register + offset
300 * Otherwise, the variable is stored on the stack:
301 * - offset is then the offset from the frame register
302 */
303 struct symt_data* symt_add_func_local(struct module* module,
304 struct symt_function* func,
305 enum DataKind dt,
306 const struct location* loc,
307 struct symt_block* block,
308 struct symt* type, const char* name)
309 {
310 struct symt_data* locsym;
311 struct symt** p;
312
313 TRACE_(dbghelp_symt)("Adding local symbol (%s:%s): %s %p\n",
314 debugstr_w(module->module.ModuleName), func->hash_elt.name,
315 name, type);
316
317 assert(func);
318 assert(func->symt.tag == SymTagFunction);
319 assert(dt == DataIsParam || dt == DataIsLocal);
320
321 locsym = pool_alloc(&module->pool, sizeof(*locsym));
322 locsym->symt.tag = SymTagData;
323 locsym->hash_elt.name = pool_strdup(&module->pool, name);
324 locsym->hash_elt.next = NULL;
325 locsym->kind = dt;
326 locsym->container = &block->symt;
327 locsym->type = type;
328 locsym->u.var = *loc;
329 if (block)
330 p = vector_add(&block->vchildren, &module->pool);
331 else
332 p = vector_add(&func->vchildren, &module->pool);
333 *p = &locsym->symt;
334 return locsym;
335 }
336
337
338 struct symt_block* symt_open_func_block(struct module* module,
339 struct symt_function* func,
340 struct symt_block* parent_block,
341 unsigned pc, unsigned len)
342 {
343 struct symt_block* block;
344 struct symt** p;
345
346 assert(func);
347 assert(func->symt.tag == SymTagFunction);
348
349 assert(!parent_block || parent_block->symt.tag == SymTagBlock);
350 block = pool_alloc(&module->pool, sizeof(*block));
351 block->symt.tag = SymTagBlock;
352 block->address = func->address + pc;
353 block->size = len;
354 block->container = parent_block ? &parent_block->symt : &func->symt;
355 vector_init(&block->vchildren, sizeof(struct symt*), 4);
356 if (parent_block)
357 p = vector_add(&parent_block->vchildren, &module->pool);
358 else
359 p = vector_add(&func->vchildren, &module->pool);
360 *p = &block->symt;
361
362 return block;
363 }
364
365 struct symt_block* symt_close_func_block(struct module* module,
366 struct symt_function* func,
367 struct symt_block* block, unsigned pc)
368 {
369 assert(func);
370 assert(func->symt.tag == SymTagFunction);
371
372 if (pc) block->size = func->address + pc - block->address;
373 return (block->container->tag == SymTagBlock) ?
374 GET_ENTRY(block->container, struct symt_block, symt) : NULL;
375 }
376
377 struct symt_hierarchy_point* symt_add_function_point(struct module* module,
378 struct symt_function* func,
379 enum SymTagEnum point,
380 const struct location* loc,
381 const char* name)
382 {
383 struct symt_hierarchy_point*sym;
384 struct symt** p;
385
386 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
387 {
388 sym->symt.tag = point;
389 sym->parent = &func->symt;
390 sym->loc = *loc;
391 sym->hash_elt.name = name ? pool_strdup(&module->pool, name) : NULL;
392 p = vector_add(&func->vchildren, &module->pool);
393 *p = &sym->symt;
394 }
395 return sym;
396 }
397
398 BOOL symt_normalize_function(struct module* module, struct symt_function* func)
399 {
400 unsigned len;
401 struct line_info* dli;
402
403 assert(func);
404 /* We aren't adding any more locals or line numbers to this function.
405 * Free any spare memory that we might have allocated.
406 */
407 assert(func->symt.tag == SymTagFunction);
408
409 /* EPP vector_pool_normalize(&func->vlines, &module->pool); */
410 /* EPP vector_pool_normalize(&func->vchildren, &module->pool); */
411
412 len = vector_length(&func->vlines);
413 if (len--)
414 {
415 dli = vector_at(&func->vlines, 0); dli->is_first = 1;
416 dli = vector_at(&func->vlines, len); dli->is_last = 1;
417 }
418 return TRUE;
419 }
420
421 struct symt_thunk* symt_new_thunk(struct module* module,
422 struct symt_compiland* compiland,
423 const char* name, THUNK_ORDINAL ord,
424 unsigned long addr, unsigned long size)
425 {
426 struct symt_thunk* sym;
427
428 TRACE_(dbghelp_symt)("Adding global thunk %s:%s @%lx-%lx\n",
429 debugstr_w(module->module.ModuleName), name, addr, addr + size - 1);
430
431 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
432 {
433 sym->symt.tag = SymTagThunk;
434 sym->hash_elt.name = pool_strdup(&module->pool, name);
435 hash_table_add(&module->ht_symbols, &sym->hash_elt);
436 module->sortlist_valid = FALSE;
437 sym->container = &compiland->symt;
438 sym->address = addr;
439 sym->size = size;
440 sym->ordinal = ord;
441 if (compiland)
442 {
443 struct symt** p;
444 p = vector_add(&compiland->vchildren, &module->pool);
445 *p = &sym->symt;
446 }
447 }
448 return sym;
449 }
450
451 struct symt_data* symt_new_constant(struct module* module,
452 struct symt_compiland* compiland,
453 const char* name, struct symt* type,
454 const VARIANT* v)
455 {
456 struct symt_data* sym;
457
458 TRACE_(dbghelp_symt)("Adding constant value %s:%s\n",
459 debugstr_w(module->module.ModuleName), name);
460
461 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
462 {
463 sym->symt.tag = SymTagData;
464 sym->hash_elt.name = pool_strdup(&module->pool, name);
465 hash_table_add(&module->ht_symbols, &sym->hash_elt);
466 module->sortlist_valid = FALSE;
467 sym->kind = DataIsConstant;
468 sym->container = compiland ? &compiland->symt : NULL;
469 sym->type = type;
470 sym->u.value = *v;
471 if (compiland)
472 {
473 struct symt** p;
474 p = vector_add(&compiland->vchildren, &module->pool);
475 *p = &sym->symt;
476 }
477 }
478 return sym;
479 }
480
481 struct symt_hierarchy_point* symt_new_label(struct module* module,
482 struct symt_compiland* compiland,
483 const char* name, unsigned long address)
484 {
485 struct symt_hierarchy_point* sym;
486
487 TRACE_(dbghelp_symt)("Adding global label value %s:%s\n",
488 debugstr_w(module->module.ModuleName), name);
489
490 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
491 {
492 sym->symt.tag = SymTagLabel;
493 sym->hash_elt.name = pool_strdup(&module->pool, name);
494 hash_table_add(&module->ht_symbols, &sym->hash_elt);
495 module->sortlist_valid = FALSE;
496 sym->loc.kind = loc_absolute;
497 sym->loc.offset = address;
498 sym->parent = compiland ? &compiland->symt : NULL;
499 if (compiland)
500 {
501 struct symt** p;
502 p = vector_add(&compiland->vchildren, &module->pool);
503 *p = &sym->symt;
504 }
505 }
506 return sym;
507 }
508
509 /* expect sym_info->MaxNameLen to be set before being called */
510 static void symt_fill_sym_info(const struct module_pair* pair,
511 const struct symt_function* func,
512 const struct symt* sym, SYMBOL_INFO* sym_info)
513 {
514 const char* name;
515 DWORD64 size;
516
517 if (!symt_get_info(sym, TI_GET_TYPE, &sym_info->TypeIndex))
518 sym_info->TypeIndex = 0;
519 sym_info->info = (DWORD)sym;
520 sym_info->Reserved[0] = sym_info->Reserved[1] = 0;
521 if (!symt_get_info(sym, TI_GET_LENGTH, &size) &&
522 (!sym_info->TypeIndex ||
523 !symt_get_info((struct symt*)sym_info->TypeIndex, TI_GET_LENGTH, &size)))
524 size = 0;
525 sym_info->Size = (DWORD)size;
526 sym_info->ModBase = pair->requested->module.BaseOfImage;
527 sym_info->Flags = 0;
528 sym_info->Value = 0;
529
530 switch (sym->tag)
531 {
532 case SymTagData:
533 {
534 const struct symt_data* data = (const struct symt_data*)sym;
535 switch (data->kind)
536 {
537 case DataIsParam:
538 sym_info->Flags |= SYMFLAG_PARAMETER;
539 /* fall through */
540 case DataIsLocal:
541 {
542 struct location loc = data->u.var;
543
544 if (loc.kind >= loc_user)
545 pair->effective->loc_compute(pair->pcs, pair->effective, func, &loc);
546
547 switch (loc.kind)
548 {
549 case loc_error:
550 /* for now we report error cases as a negative register number */
551 sym_info->Flags |= SYMFLAG_LOCAL;
552 /* fall through */
553 case loc_register:
554 sym_info->Flags |= SYMFLAG_REGISTER;
555 sym_info->Register = loc.reg;
556 sym_info->Address = 0;
557 break;
558 case loc_regrel:
559 sym_info->Flags |= SYMFLAG_LOCAL | SYMFLAG_REGREL;
560 /* FIXME: it's i386 dependent !!! */
561 sym_info->Register = loc.reg ? loc.reg : CV_REG_EBP;
562 sym_info->Address = loc.offset;
563 break;
564 default:
565 FIXME("Shouldn't happen (kind=%d), debug reader backend is broken\n", loc.kind);
566 assert(0);
567 }
568 }
569 break;
570 case DataIsGlobal:
571 case DataIsFileStatic:
572 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
573 sym_info->Register = 0;
574 break;
575 case DataIsConstant:
576 sym_info->Flags |= SYMFLAG_VALUEPRESENT;
577 switch (data->u.value.n1.n2.vt)
578 {
579 case VT_I4: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.lVal; break;
580 case VT_I2: sym_info->Value = (ULONG)(long)data->u.value.n1.n2.n3.iVal; break;
581 case VT_I1: sym_info->Value = (ULONG)(long)data->u.value.n1.n2.n3.cVal; break;
582 case VT_UI4: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.ulVal; break;
583 case VT_UI2: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.uiVal; break;
584 case VT_UI1: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.bVal; break;
585 case VT_I1 | VT_BYREF: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.byref; break;
586 default:
587 FIXME("Unsupported variant type (%u)\n", data->u.value.n1.n2.vt);
588 sym_info->Value = 0;
589 break;
590 }
591 break;
592 default:
593 FIXME("Unhandled kind (%u) in sym data\n", data->kind);
594 }
595 }
596 break;
597 case SymTagPublicSymbol:
598 sym_info->Flags |= SYMFLAG_EXPORT;
599 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
600 break;
601 case SymTagFunction:
602 sym_info->Flags |= SYMFLAG_FUNCTION;
603 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
604 break;
605 case SymTagThunk:
606 sym_info->Flags |= SYMFLAG_THUNK;
607 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
608 break;
609 default:
610 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
611 sym_info->Register = 0;
612 break;
613 }
614 sym_info->Scope = 0; /* FIXME */
615 sym_info->Tag = sym->tag;
616 name = symt_get_name(sym);
617 if (sym_info->MaxNameLen)
618 {
619 if (sym->tag != SymTagPublicSymbol || !(dbghelp_options & SYMOPT_UNDNAME) ||
620 (sym_info->NameLen = UnDecorateSymbolName(name, sym_info->Name,
621 sym_info->MaxNameLen, UNDNAME_NAME_ONLY) == 0))
622 {
623 sym_info->NameLen = min(strlen(name), sym_info->MaxNameLen - 1);
624 memcpy(sym_info->Name, name, sym_info->NameLen);
625 sym_info->Name[sym_info->NameLen] = '\0';
626 }
627 }
628 TRACE_(dbghelp_symt)("%p => %s %u %s\n",
629 sym, sym_info->Name, sym_info->Size,
630 wine_dbgstr_longlong(sym_info->Address));
631 }
632
633 struct sym_enum
634 {
635 PSYM_ENUMERATESYMBOLS_CALLBACK cb;
636 PVOID user;
637 SYMBOL_INFO* sym_info;
638 DWORD index;
639 DWORD tag;
640 DWORD64 addr;
641 char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
642 };
643
644 static BOOL send_symbol(const struct sym_enum* se, const struct module_pair* pair,
645 const struct symt_function* func, const struct symt* sym)
646 {
647 symt_fill_sym_info(pair, func, sym, se->sym_info);
648 if (se->index && se->sym_info->info != se->index) return FALSE;
649 if (se->tag && se->sym_info->Tag != se->tag) return FALSE;
650 if (se->addr && !(se->addr >= se->sym_info->Address && se->addr < se->sym_info->Address + se->sym_info->Size)) return FALSE;
651 return !se->cb(se->sym_info, se->sym_info->Size, se->user);
652 }
653
654 static BOOL symt_enum_module(struct module_pair* pair, const regex_t* regex,
655 const struct sym_enum* se)
656 {
657 void* ptr;
658 struct symt_ht* sym = NULL;
659 struct hash_table_iter hti;
660
661 hash_table_iter_init(&pair->effective->ht_symbols, &hti, NULL);
662 while ((ptr = hash_table_iter_up(&hti)))
663 {
664 sym = GET_ENTRY(ptr, struct symt_ht, hash_elt);
665 if (sym->hash_elt.name &&
666 regexec(regex, sym->hash_elt.name, 0, NULL, 0) == 0)
667 {
668 se->sym_info->SizeOfStruct = sizeof(SYMBOL_INFO);
669 se->sym_info->MaxNameLen = sizeof(se->buffer) - sizeof(SYMBOL_INFO);
670 if (send_symbol(se, pair, NULL, &sym->symt)) return TRUE;
671 }
672 }
673 return FALSE;
674 }
675
676 /***********************************************************************
677 * resort_symbols
678 *
679 * Rebuild sorted list of symbols for a module.
680 */
681 static BOOL resort_symbols(struct module* module)
682 {
683 void* ptr;
684 struct symt_ht* sym;
685 struct hash_table_iter hti;
686 ULONG64 addr;
687
688 if (!(module->module.NumSyms = module->ht_symbols.num_elts))
689 return FALSE;
690
691 if (module->addr_sorttab)
692 module->addr_sorttab = HeapReAlloc(GetProcessHeap(), 0,
693 module->addr_sorttab,
694 module->module.NumSyms * sizeof(struct symt_ht*));
695 else
696 module->addr_sorttab = HeapAlloc(GetProcessHeap(), 0,
697 module->module.NumSyms * sizeof(struct symt_ht*));
698 if (!module->addr_sorttab) return FALSE;
699
700 module->num_sorttab = 0;
701 hash_table_iter_init(&module->ht_symbols, &hti, NULL);
702 while ((ptr = hash_table_iter_up(&hti)))
703 {
704 sym = GET_ENTRY(ptr, struct symt_ht, hash_elt);
705 assert(sym);
706 /* Don't store in sorttab symbol without address, they are of
707 * no use here (e.g. constant values)
708 * As the number of those symbols is very couple (a couple per module)
709 * we don't bother for the unused spots at the end of addr_sorttab
710 */
711 if (symt_get_info(&sym->symt, TI_GET_ADDRESS, &addr))
712 module->addr_sorttab[module->num_sorttab++] = sym;
713 }
714 qsort(module->addr_sorttab, module->num_sorttab, sizeof(struct symt_ht*), symt_cmp_addr);
715 return module->sortlist_valid = TRUE;
716 }
717
718 /* assume addr is in module */
719 struct symt_ht* symt_find_nearest(struct module* module, DWORD addr)
720 {
721 int mid, high, low;
722 ULONG64 ref_addr, ref_size;
723
724 if (!module->sortlist_valid || !module->addr_sorttab)
725 {
726 if (!resort_symbols(module)) return NULL;
727 }
728
729 /*
730 * Binary search to find closest symbol.
731 */
732 low = 0;
733 high = module->num_sorttab;
734
735 symt_get_info(&module->addr_sorttab[0]->symt, TI_GET_ADDRESS, &ref_addr);
736 if (addr < ref_addr) return NULL;
737 if (high)
738 {
739 symt_get_info(&module->addr_sorttab[high - 1]->symt, TI_GET_ADDRESS, &ref_addr);
740 if (!symt_get_info(&module->addr_sorttab[high - 1]->symt, TI_GET_LENGTH, &ref_size) || !ref_size)
741 ref_size = 0x1000; /* arbitrary value */
742 if (addr >= ref_addr + ref_size) return NULL;
743 }
744
745 while (high > low + 1)
746 {
747 mid = (high + low) / 2;
748 if (cmp_sorttab_addr(module, mid, addr) < 0)
749 low = mid;
750 else
751 high = mid;
752 }
753 if (low != high && high != module->num_sorttab &&
754 cmp_sorttab_addr(module, high, addr) <= 0)
755 low = high;
756
757 /* If found symbol is a public symbol, check if there are any other entries that
758 * might also have the same address, but would get better information
759 */
760 if (module->addr_sorttab[low]->symt.tag == SymTagPublicSymbol)
761 {
762 symt_get_info(&module->addr_sorttab[low]->symt, TI_GET_ADDRESS, &ref_addr);
763 if (low > 0 &&
764 module->addr_sorttab[low - 1]->symt.tag != SymTagPublicSymbol &&
765 !cmp_sorttab_addr(module, low - 1, ref_addr))
766 low--;
767 else if (low < module->num_sorttab - 1 &&
768 module->addr_sorttab[low + 1]->symt.tag != SymTagPublicSymbol &&
769 !cmp_sorttab_addr(module, low + 1, ref_addr))
770 low++;
771 }
772 /* finally check that we fit into the found symbol */
773 symt_get_info(&module->addr_sorttab[low]->symt, TI_GET_ADDRESS, &ref_addr);
774 if (addr < ref_addr) return NULL;
775 if (!symt_get_info(&module->addr_sorttab[high - 1]->symt, TI_GET_LENGTH, &ref_size) || !ref_size)
776 ref_size = 0x1000; /* arbitrary value */
777 if (addr >= ref_addr + ref_size) return NULL;
778
779 return module->addr_sorttab[low];
780 }
781
782 static BOOL symt_enum_locals_helper(struct module_pair* pair,
783 regex_t* preg, const struct sym_enum* se,
784 struct symt_function* func, const struct vector* v)
785 {
786 struct symt* lsym = NULL;
787 DWORD pc = pair->pcs->ctx_frame.InstructionOffset;
788 int i;
789
790 for (i=0; i<vector_length(v); i++)
791 {
792 lsym = *(struct symt**)vector_at(v, i);
793 switch (lsym->tag)
794 {
795 case SymTagBlock:
796 {
797 struct symt_block* block = (struct symt_block*)lsym;
798 if (pc < block->address || block->address + block->size <= pc)
799 continue;
800 if (!symt_enum_locals_helper(pair, preg, se, func, &block->vchildren))
801 return FALSE;
802 }
803 break;
804 case SymTagData:
805 if (regexec(preg, symt_get_name(lsym), 0, NULL, 0) == 0)
806 {
807 if (send_symbol(se, pair, func, lsym)) return FALSE;
808 }
809 break;
810 case SymTagLabel:
811 case SymTagFuncDebugStart:
812 case SymTagFuncDebugEnd:
813 case SymTagCustom:
814 break;
815 default:
816 FIXME("Unknown type: %u (%x)\n", lsym->tag, lsym->tag);
817 assert(0);
818 }
819 }
820 return TRUE;
821 }
822
823 static BOOL symt_enum_locals(struct process* pcs, const char* mask,
824 const struct sym_enum* se)
825 {
826 struct module_pair pair;
827 struct symt_ht* sym;
828 DWORD pc = pcs->ctx_frame.InstructionOffset;
829
830 se->sym_info->SizeOfStruct = sizeof(*se->sym_info);
831 se->sym_info->MaxNameLen = sizeof(se->buffer) - sizeof(SYMBOL_INFO);
832
833 pair.pcs = pcs;
834 pair.requested = module_find_by_addr(pair.pcs, pc, DMT_UNKNOWN);
835 if (!module_get_debug(&pair)) return FALSE;
836 if ((sym = symt_find_nearest(pair.effective, pc)) == NULL) return FALSE;
837
838 if (sym->symt.tag == SymTagFunction)
839 {
840 BOOL ret;
841 regex_t preg;
842
843 compile_regex(mask ? mask : "*", -1, &preg,
844 dbghelp_options & SYMOPT_CASE_INSENSITIVE);
845 ret = symt_enum_locals_helper(&pair, &preg, se, (struct symt_function*)sym,
846 &((struct symt_function*)sym)->vchildren);
847 regfree(&preg);
848 return ret;
849
850 }
851 return send_symbol(se, &pair, NULL, &sym->symt);
852 }
853
854 /******************************************************************
855 * copy_symbolW
856 *
857 * Helper for transforming an ANSI symbol info into an UNICODE one.
858 * Assume that MaxNameLen is the same for both version (A & W).
859 */
860 void copy_symbolW(SYMBOL_INFOW* siw, const SYMBOL_INFO* si)
861 {
862 siw->SizeOfStruct = si->SizeOfStruct;
863 siw->TypeIndex = si->TypeIndex;
864 siw->Reserved[0] = si->Reserved[0];
865 siw->Reserved[1] = si->Reserved[1];
866 siw->Index = si->info; /* FIXME: see dbghelp.h */
867 siw->Size = si->Size;
868 siw->ModBase = si->ModBase;
869 siw->Flags = si->Flags;
870 siw->Value = si->Value;
871 siw->Address = si->Address;
872 siw->Register = si->Register;
873 siw->Scope = si->Scope;
874 siw->Tag = si->Tag;
875 siw->NameLen = si->NameLen;
876 siw->MaxNameLen = si->MaxNameLen;
877 MultiByteToWideChar(CP_ACP, 0, si->Name, -1, siw->Name, siw->MaxNameLen);
878 }
879
880 /******************************************************************
881 * sym_enum
882 *
883 * Core routine for most of the enumeration of symbols
884 */
885 static BOOL sym_enum(HANDLE hProcess, ULONG64 BaseOfDll, PCSTR Mask,
886 const struct sym_enum* se)
887 {
888 struct module_pair pair;
889 const char* bang;
890 regex_t mod_regex, sym_regex;
891
892 pair.pcs = process_find_by_handle(hProcess);
893 if (BaseOfDll == 0)
894 {
895 /* do local variables ? */
896 if (!Mask || !(bang = strchr(Mask, '!')))
897 return symt_enum_locals(pair.pcs, Mask, se);
898
899 if (bang == Mask) return FALSE;
900
901 compile_regex(Mask, bang - Mask, &mod_regex, TRUE);
902 compile_regex(bang + 1, -1, &sym_regex,
903 dbghelp_options & SYMOPT_CASE_INSENSITIVE);
904
905 for (pair.requested = pair.pcs->lmodules; pair.requested; pair.requested = pair.requested->next)
906 {
907 if (pair.requested->type == DMT_PE && module_get_debug(&pair))
908 {
909 if (regexec(&mod_regex, pair.requested->module_name, 0, NULL, 0) == 0 &&
910 symt_enum_module(&pair, &sym_regex, se))
911 break;
912 }
913 }
914 /* not found in PE modules, retry on the ELF ones
915 */
916 if (!pair.requested && (dbghelp_options & SYMOPT_WINE_WITH_ELF_MODULES))
917 {
918 for (pair.requested = pair.pcs->lmodules; pair.requested; pair.requested = pair.requested->next)
919 {
920 if (pair.requested->type == DMT_ELF &&
921 !module_get_containee(pair.pcs, pair.requested) &&
922 module_get_debug(&pair))
923 {
924 if (regexec(&mod_regex, pair.requested->module_name, 0, NULL, 0) == 0 &&
925 symt_enum_module(&pair, &sym_regex, se))
926 break;
927 }
928 }
929 }
930 regfree(&mod_regex);
931 regfree(&sym_regex);
932 return TRUE;
933 }
934 pair.requested = module_find_by_addr(pair.pcs, BaseOfDll, DMT_UNKNOWN);
935 if (!module_get_debug(&pair))
936 return FALSE;
937
938 /* we always ignore module name from Mask when BaseOfDll is defined */
939 if (Mask && (bang = strchr(Mask, '!')))
940 {
941 if (bang == Mask) return FALSE;
942 Mask = bang + 1;
943 }
944
945 compile_regex(Mask ? Mask : "*", -1, &sym_regex,
946 dbghelp_options & SYMOPT_CASE_INSENSITIVE);
947 symt_enum_module(&pair, &sym_regex, se);
948 regfree(&sym_regex);
949
950 return TRUE;
951 }
952
953 /******************************************************************
954 * SymEnumSymbols (DBGHELP.@)
955 *
956 * cases BaseOfDll = 0
957 * !foo fails always (despite what MSDN states)
958 * RE1!RE2 looks up all modules matching RE1, and in all these modules, lookup RE2
959 * no ! in Mask, lookup in local Context
960 * cases BaseOfDll != 0
961 * !foo fails always (despite what MSDN states)
962 * RE1!RE2 gets RE2 from BaseOfDll (whatever RE1 is)
963 */
964 BOOL WINAPI SymEnumSymbols(HANDLE hProcess, ULONG64 BaseOfDll, PCSTR Mask,
965 PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
966 PVOID UserContext)
967 {
968 struct sym_enum se;
969
970 TRACE("(%p %s %s %p %p)\n",
971 hProcess, wine_dbgstr_longlong(BaseOfDll), debugstr_a(Mask),
972 EnumSymbolsCallback, UserContext);
973
974 se.cb = EnumSymbolsCallback;
975 se.user = UserContext;
976 se.index = 0;
977 se.tag = 0;
978 se.addr = 0;
979 se.sym_info = (PSYMBOL_INFO)se.buffer;
980
981 return sym_enum(hProcess, BaseOfDll, Mask, &se);
982 }
983
984 struct sym_enumW
985 {
986 PSYM_ENUMERATESYMBOLS_CALLBACKW cb;
987 void* ctx;
988 PSYMBOL_INFOW sym_info;
989 char buffer[sizeof(SYMBOL_INFOW) + MAX_SYM_NAME];
990
991 };
992
993 static BOOL CALLBACK sym_enumW(PSYMBOL_INFO si, ULONG size, PVOID ctx)
994 {
995 struct sym_enumW* sew = ctx;
996
997 copy_symbolW(sew->sym_info, si);
998
999 return (sew->cb)(sew->sym_info, size, sew->ctx);
1000 }
1001
1002 /******************************************************************
1003 * SymEnumSymbolsW (DBGHELP.@)
1004 *
1005 */
1006 BOOL WINAPI SymEnumSymbolsW(HANDLE hProcess, ULONG64 BaseOfDll, PCWSTR Mask,
1007 PSYM_ENUMERATESYMBOLS_CALLBACKW EnumSymbolsCallback,
1008 PVOID UserContext)
1009 {
1010 struct sym_enumW sew;
1011 BOOL ret = FALSE;
1012 char* maskA = NULL;
1013
1014 sew.ctx = UserContext;
1015 sew.cb = EnumSymbolsCallback;
1016 sew.sym_info = (PSYMBOL_INFOW)sew.buffer;
1017
1018 if (Mask)
1019 {
1020 unsigned len = WideCharToMultiByte(CP_ACP, 0, Mask, -1, NULL, 0, NULL, NULL);
1021 maskA = HeapAlloc(GetProcessHeap(), 0, len);
1022 if (!maskA) return FALSE;
1023 WideCharToMultiByte(CP_ACP, 0, Mask, -1, maskA, len, NULL, NULL);
1024 }
1025 ret = SymEnumSymbols(hProcess, BaseOfDll, maskA, sym_enumW, &sew);
1026 HeapFree(GetProcessHeap(), 0, maskA);
1027
1028 return ret;
1029 }
1030
1031 struct sym_enumerate
1032 {
1033 void* ctx;
1034 PSYM_ENUMSYMBOLS_CALLBACK cb;
1035 };
1036
1037 static BOOL CALLBACK sym_enumerate_cb(PSYMBOL_INFO syminfo, ULONG size, void* ctx)
1038 {
1039 struct sym_enumerate* se = (struct sym_enumerate*)ctx;
1040 return (se->cb)(syminfo->Name, syminfo->Address, syminfo->Size, se->ctx);
1041 }
1042
1043 /***********************************************************************
1044 * SymEnumerateSymbols (DBGHELP.@)
1045 */
1046 BOOL WINAPI SymEnumerateSymbols(HANDLE hProcess, DWORD BaseOfDll,
1047 PSYM_ENUMSYMBOLS_CALLBACK EnumSymbolsCallback,
1048 PVOID UserContext)
1049 {
1050 struct sym_enumerate se;
1051
1052 se.ctx = UserContext;
1053 se.cb = EnumSymbolsCallback;
1054
1055 return SymEnumSymbols(hProcess, BaseOfDll, NULL, sym_enumerate_cb, &se);
1056 }
1057
1058 struct sym_enumerate64
1059 {
1060 void* ctx;
1061 PSYM_ENUMSYMBOLS_CALLBACK64 cb;
1062 };
1063
1064 static BOOL CALLBACK sym_enumerate_cb64(PSYMBOL_INFO syminfo, ULONG size, void* ctx)
1065 {
1066 struct sym_enumerate64* se = (struct sym_enumerate64*)ctx;
1067 return (se->cb)(syminfo->Name, syminfo->Address, syminfo->Size, se->ctx);
1068 }
1069
1070 /***********************************************************************
1071 * SymEnumerateSymbols64 (DBGHELP.@)
1072 */
1073 BOOL WINAPI SymEnumerateSymbols64(HANDLE hProcess, DWORD64 BaseOfDll,
1074 PSYM_ENUMSYMBOLS_CALLBACK64 EnumSymbolsCallback,
1075 PVOID UserContext)
1076 {
1077 struct sym_enumerate64 se;
1078
1079 se.ctx = UserContext;
1080 se.cb = EnumSymbolsCallback;
1081
1082 return SymEnumSymbols(hProcess, BaseOfDll, NULL, sym_enumerate_cb64, &se);
1083 }
1084
1085 /******************************************************************
1086 * SymFromAddr (DBGHELP.@)
1087 *
1088 */
1089 BOOL WINAPI SymFromAddr(HANDLE hProcess, DWORD64 Address,
1090 DWORD64* Displacement, PSYMBOL_INFO Symbol)
1091 {
1092 struct module_pair pair;
1093 struct symt_ht* sym;
1094
1095 pair.pcs = process_find_by_handle(hProcess);
1096 if (!pair.pcs) return FALSE;
1097 pair.requested = module_find_by_addr(pair.pcs, Address, DMT_UNKNOWN);
1098 if (!module_get_debug(&pair)) return FALSE;
1099 if ((sym = symt_find_nearest(pair.effective, Address)) == NULL) return FALSE;
1100
1101 symt_fill_sym_info(&pair, NULL, &sym->symt, Symbol);
1102 *Displacement = Address - Symbol->Address;
1103 return TRUE;
1104 }
1105
1106 /******************************************************************
1107 * SymFromAddrW (DBGHELP.@)
1108 *
1109 */
1110 BOOL WINAPI SymFromAddrW(HANDLE hProcess, DWORD64 Address,
1111 DWORD64* Displacement, PSYMBOL_INFOW Symbol)
1112 {
1113 PSYMBOL_INFO si;
1114 unsigned len;
1115 BOOL ret;
1116
1117 len = sizeof(*si) + Symbol->MaxNameLen * sizeof(WCHAR);
1118 si = HeapAlloc(GetProcessHeap(), 0, len);
1119 if (!si) return FALSE;
1120
1121 si->SizeOfStruct = sizeof(*si);
1122 si->MaxNameLen = Symbol->MaxNameLen;
1123 if ((ret = SymFromAddr(hProcess, Address, Displacement, si)))
1124 {
1125 copy_symbolW(Symbol, si);
1126 }
1127 HeapFree(GetProcessHeap(), 0, si);
1128 return ret;
1129 }
1130
1131 /******************************************************************
1132 * SymGetSymFromAddr (DBGHELP.@)
1133 *
1134 */
1135 BOOL WINAPI SymGetSymFromAddr(HANDLE hProcess, DWORD Address,
1136 PDWORD Displacement, PIMAGEHLP_SYMBOL Symbol)
1137 {
1138 char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
1139 SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
1140 size_t len;
1141 DWORD64 Displacement64;
1142
1143 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
1144 si->SizeOfStruct = sizeof(*si);
1145 si->MaxNameLen = MAX_SYM_NAME;
1146 if (!SymFromAddr(hProcess, Address, &Displacement64, si))
1147 return FALSE;
1148
1149 if (Displacement)
1150 *Displacement = Displacement64;
1151 Symbol->Address = si->Address;
1152 Symbol->Size = si->Size;
1153 Symbol->Flags = si->Flags;
1154 len = min(Symbol->MaxNameLength, si->MaxNameLen);
1155 lstrcpynA(Symbol->Name, si->Name, len);
1156 return TRUE;
1157 }
1158
1159 /******************************************************************
1160 * SymGetSymFromAddr64 (DBGHELP.@)
1161 *
1162 */
1163 BOOL WINAPI SymGetSymFromAddr64(HANDLE hProcess, DWORD64 Address,
1164 PDWORD64 Displacement, PIMAGEHLP_SYMBOL64 Symbol)
1165 {
1166 char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
1167 SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
1168 size_t len;
1169 DWORD64 Displacement64;
1170
1171 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
1172 si->SizeOfStruct = sizeof(*si);
1173 si->MaxNameLen = MAX_SYM_NAME;
1174 if (!SymFromAddr(hProcess, Address, &Displacement64, si))
1175 return FALSE;
1176
1177 if (Displacement)
1178 *Displacement = Displacement64;
1179 Symbol->Address = si->Address;
1180 Symbol->Size = si->Size;
1181 Symbol->Flags = si->Flags;
1182 len = min(Symbol->MaxNameLength, si->MaxNameLen);
1183 lstrcpynA(Symbol->Name, si->Name, len);
1184 return TRUE;
1185 }
1186
1187 static BOOL find_name(struct process* pcs, struct module* module, const char* name,
1188 SYMBOL_INFO* symbol)
1189 {
1190 struct hash_table_iter hti;
1191 void* ptr;
1192 struct symt_ht* sym = NULL;
1193 struct module_pair pair;
1194
1195 pair.pcs = pcs;
1196 if (!(pair.requested = module)) return FALSE;
1197 if (!module_get_debug(&pair)) return FALSE;
1198
1199 hash_table_iter_init(&pair.effective->ht_symbols, &hti, name);
1200 while ((ptr = hash_table_iter_up(&hti)))
1201 {
1202 sym = GET_ENTRY(ptr, struct symt_ht, hash_elt);
1203
1204 if (!strcmp(sym->hash_elt.name, name))
1205 {
1206 symt_fill_sym_info(&pair, NULL, &sym->symt, symbol);
1207 return TRUE;
1208 }
1209 }
1210 return FALSE;
1211
1212 }
1213 /******************************************************************
1214 * SymFromName (DBGHELP.@)
1215 *
1216 */
1217 BOOL WINAPI SymFromName(HANDLE hProcess, PCSTR Name, PSYMBOL_INFO Symbol)
1218 {
1219 struct process* pcs = process_find_by_handle(hProcess);
1220 struct module* module;
1221 const char* name;
1222
1223 TRACE("(%p, %s, %p)\n", hProcess, Name, Symbol);
1224 if (!pcs) return FALSE;
1225 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
1226 name = strchr(Name, '!');
1227 if (name)
1228 {
1229 char tmp[128];
1230 assert(name - Name < sizeof(tmp));
1231 memcpy(tmp, Name, name - Name);
1232 tmp[name - Name] = '\0';
1233 module = module_find_by_nameA(pcs, tmp);
1234 return find_name(pcs, module, name + 1, Symbol);
1235 }
1236 for (module = pcs->lmodules; module; module = module->next)
1237 {
1238 if (module->type == DMT_PE && find_name(pcs, module, Name, Symbol))
1239 return TRUE;
1240 }
1241 /* not found in PE modules, retry on the ELF ones
1242 */
1243 if (dbghelp_options & SYMOPT_WINE_WITH_ELF_MODULES)
1244 {
1245 for (module = pcs->lmodules; module; module = module->next)
1246 {
1247 if (module->type == DMT_ELF && !module_get_containee(pcs, module) &&
1248 find_name(pcs, module, Name, Symbol))
1249 return TRUE;
1250 }
1251 }
1252 return FALSE;
1253 }
1254
1255 /***********************************************************************
1256 * SymGetSymFromName (DBGHELP.@)
1257 */
1258 BOOL WINAPI SymGetSymFromName(HANDLE hProcess, PCSTR Name, PIMAGEHLP_SYMBOL Symbol)
1259 {
1260 char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
1261 SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
1262 size_t len;
1263
1264 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
1265 si->SizeOfStruct = sizeof(*si);
1266 si->MaxNameLen = MAX_SYM_NAME;
1267 if (!SymFromName(hProcess, Name, si)) return FALSE;
1268
1269 Symbol->Address = si->Address;
1270 Symbol->Size = si->Size;
1271 Symbol->Flags = si->Flags;
1272 len = min(Symbol->MaxNameLength, si->MaxNameLen);
1273 lstrcpynA(Symbol->Name, si->Name, len);
1274 return TRUE;
1275 }
1276
1277 /******************************************************************
1278 * sym_fill_func_line_info
1279 *
1280 * fills information about a file
1281 */
1282 BOOL symt_fill_func_line_info(const struct module* module, const struct symt_function* func,
1283 DWORD addr, IMAGEHLP_LINE* line)
1284 {
1285 struct line_info* dli = NULL;
1286 BOOL found = FALSE;
1287 int i;
1288
1289 assert(func->symt.tag == SymTagFunction);
1290
1291 for (i=vector_length(&func->vlines)-1; i>=0; i--)
1292 {
1293 dli = vector_at(&func->vlines, i);
1294 if (!dli->is_source_file)
1295 {
1296 if (found || dli->u.pc_offset > addr) continue;
1297 line->LineNumber = dli->line_number;
1298 line->Address = dli->u.pc_offset;
1299 line->Key = dli;
1300 found = TRUE;
1301 continue;
1302 }
1303 if (found)
1304 {
1305 line->FileName = (char*)source_get(module, dli->u.source_file);
1306 return TRUE;
1307 }
1308 }
1309 return FALSE;
1310 }
1311
1312 /***********************************************************************
1313 * SymGetSymNext (DBGHELP.@)
1314 */
1315 BOOL WINAPI SymGetSymNext(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol)
1316 {
1317 /* algo:
1318 * get module from Symbol.Address
1319 * get index in module.addr_sorttab of Symbol.Address
1320 * increment index
1321 * if out of module bounds, move to next module in process address space
1322 */
1323 FIXME("(%p, %p): stub\n", hProcess, Symbol);
1324 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1325 return FALSE;
1326 }
1327
1328 /***********************************************************************
1329 * SymGetSymPrev (DBGHELP.@)
1330 */
1331
1332 BOOL WINAPI SymGetSymPrev(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol)
1333 {
1334 FIXME("(%p, %p): stub\n", hProcess, Symbol);
1335 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1336 return FALSE;
1337 }
1338
1339 /******************************************************************
1340 * SymGetLineFromAddr (DBGHELP.@)
1341 *
1342 */
1343 BOOL WINAPI SymGetLineFromAddr(HANDLE hProcess, DWORD dwAddr,
1344 PDWORD pdwDisplacement, PIMAGEHLP_LINE Line)
1345 {
1346 struct module_pair pair;
1347 struct symt_ht* symt;
1348
1349 TRACE("%p %08x %p %p\n", hProcess, dwAddr, pdwDisplacement, Line);
1350
1351 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1352
1353 pair.pcs = process_find_by_handle(hProcess);
1354 if (!pair.pcs) return FALSE;
1355 pair.requested = module_find_by_addr(pair.pcs, dwAddr, DMT_UNKNOWN);
1356 if (!module_get_debug(&pair)) return FALSE;
1357 if ((symt = symt_find_nearest(pair.effective, dwAddr)) == NULL) return FALSE;
1358
1359 if (symt->symt.tag != SymTagFunction) return FALSE;
1360 if (!symt_fill_func_line_info(pair.effective, (struct symt_function*)symt,
1361 dwAddr, Line)) return FALSE;
1362 *pdwDisplacement = dwAddr - Line->Address;
1363 return TRUE;
1364 }
1365
1366 /******************************************************************
1367 * copy_line_64_from_32 (internal)
1368 *
1369 */
1370 static void copy_line_64_from_32(IMAGEHLP_LINE64* l64, const IMAGEHLP_LINE* l32)
1371
1372 {
1373 l64->Key = l32->Key;
1374 l64->LineNumber = l32->LineNumber;
1375 l64->FileName = l32->FileName;
1376 l64->Address = l32->Address;
1377 }
1378
1379 /******************************************************************
1380 * copy_line_W64_from_32 (internal)
1381 *
1382 */
1383 static void copy_line_W64_from_32(struct process* pcs, IMAGEHLP_LINEW64* l64, const IMAGEHLP_LINE* l32)
1384 {
1385 unsigned len;
1386
1387 l64->Key = l32->Key;
1388 l64->LineNumber = l32->LineNumber;
1389 len = MultiByteToWideChar(CP_ACP, 0, l32->FileName, -1, NULL, 0);
1390 if ((l64->FileName = fetch_buffer(pcs, len * sizeof(WCHAR))))
1391 MultiByteToWideChar(CP_ACP, 0, l32->FileName, -1, l64->FileName, len);
1392 l64->Address = l32->Address;
1393 }
1394
1395 /******************************************************************
1396 * copy_line_32_from_64 (internal)
1397 *
1398 */
1399 static void copy_line_32_from_64(IMAGEHLP_LINE* l32, const IMAGEHLP_LINE64* l64)
1400
1401 {
1402 l32->Key = l64->Key;
1403 l32->LineNumber = l64->LineNumber;
1404 l32->FileName = l64->FileName;
1405 l32->Address = l64->Address;
1406 }
1407
1408 /******************************************************************
1409 * SymGetLineFromAddr64 (DBGHELP.@)
1410 *
1411 */
1412 BOOL WINAPI SymGetLineFromAddr64(HANDLE hProcess, DWORD64 dwAddr,
1413 PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line)
1414 {
1415 IMAGEHLP_LINE line32;
1416
1417 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1418 if (!validate_addr64(dwAddr)) return FALSE;
1419 line32.SizeOfStruct = sizeof(line32);
1420 if (!SymGetLineFromAddr(hProcess, (DWORD)dwAddr, pdwDisplacement, &line32))
1421 return FALSE;
1422 copy_line_64_from_32(Line, &line32);
1423 return TRUE;
1424 }
1425
1426 /******************************************************************
1427 * SymGetLineFromAddrW64 (DBGHELP.@)
1428 *
1429 */
1430 BOOL WINAPI SymGetLineFromAddrW64(HANDLE hProcess, DWORD64 dwAddr,
1431 PDWORD pdwDisplacement, PIMAGEHLP_LINEW64 Line)
1432 {
1433 struct process* pcs = process_find_by_handle(hProcess);
1434 IMAGEHLP_LINE line32;
1435
1436 if (!pcs) return FALSE;
1437 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1438 if (!validate_addr64(dwAddr)) return FALSE;
1439 line32.SizeOfStruct = sizeof(line32);
1440 if (!SymGetLineFromAddr(hProcess, (DWORD)dwAddr, pdwDisplacement, &line32))
1441 return FALSE;
1442 copy_line_W64_from_32(pcs, Line, &line32);
1443 return TRUE;
1444 }
1445
1446 /******************************************************************
1447 * SymGetLinePrev (DBGHELP.@)
1448 *
1449 */
1450 BOOL WINAPI SymGetLinePrev(HANDLE hProcess, PIMAGEHLP_LINE Line)
1451 {
1452 struct module_pair pair;
1453 struct line_info* li;
1454 BOOL in_search = FALSE;
1455
1456 TRACE("(%p %p)\n", hProcess, Line);
1457
1458 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1459
1460 pair.pcs = process_find_by_handle(hProcess);
1461 if (!pair.pcs) return FALSE;
1462 pair.requested = module_find_by_addr(pair.pcs, Line->Address, DMT_UNKNOWN);
1463 if (!module_get_debug(&pair)) return FALSE;
1464
1465 if (Line->Key == 0) return FALSE;
1466 li = (struct line_info*)Line->Key;
1467 /* things are a bit complicated because when we encounter a DLIT_SOURCEFILE
1468 * element we have to go back until we find the prev one to get the real
1469 * source file name for the DLIT_OFFSET element just before
1470 * the first DLIT_SOURCEFILE
1471 */
1472 while (!li->is_first)
1473 {
1474 li--;
1475 if (!li->is_source_file)
1476 {
1477 Line->LineNumber = li->line_number;
1478 Line->Address = li->u.pc_offset;
1479 Line->Key = li;
1480 if (!in_search) return TRUE;
1481 }
1482 else
1483 {
1484 if (in_search)
1485 {
1486 Line->FileName = (char*)source_get(pair.effective, li->u.source_file);
1487 return TRUE;
1488 }
1489 in_search = TRUE;
1490 }
1491 }
1492 SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
1493 return FALSE;
1494 }
1495
1496 /******************************************************************
1497 * SymGetLinePrev64 (DBGHELP.@)
1498 *
1499 */
1500 BOOL WINAPI SymGetLinePrev64(HANDLE hProcess, PIMAGEHLP_LINE64 Line)
1501 {
1502 IMAGEHLP_LINE line32;
1503
1504 line32.SizeOfStruct = sizeof(line32);
1505 copy_line_32_from_64(&line32, Line);
1506 if (!SymGetLinePrev(hProcess, &line32)) return FALSE;
1507 copy_line_64_from_32(Line, &line32);
1508 return TRUE;
1509 }
1510
1511 BOOL symt_get_func_line_next(const struct module* module, PIMAGEHLP_LINE line)
1512 {
1513 struct line_info* li;
1514
1515 if (line->Key == 0) return FALSE;
1516 li = (struct line_info*)line->Key;
1517 while (!li->is_last)
1518 {
1519 li++;
1520 if (!li->is_source_file)
1521 {
1522 line->LineNumber = li->line_number;
1523 line->Address = li->u.pc_offset;
1524 line->Key = li;
1525 return TRUE;
1526 }
1527 line->FileName = (char*)source_get(module, li->u.source_file);
1528 }
1529 return FALSE;
1530 }
1531
1532 /******************************************************************
1533 * SymGetLineNext (DBGHELP.@)
1534 *
1535 */
1536 BOOL WINAPI SymGetLineNext(HANDLE hProcess, PIMAGEHLP_LINE Line)
1537 {
1538 struct module_pair pair;
1539
1540 TRACE("(%p %p)\n", hProcess, Line);
1541
1542 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1543 pair.pcs = process_find_by_handle(hProcess);
1544 if (!pair.pcs) return FALSE;
1545 pair.requested = module_find_by_addr(pair.pcs, Line->Address, DMT_UNKNOWN);
1546 if (!module_get_debug(&pair)) return FALSE;
1547
1548 if (symt_get_func_line_next(pair.effective, Line)) return TRUE;
1549 SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
1550 return FALSE;
1551 }
1552
1553 /******************************************************************
1554 * SymGetLineNext64 (DBGHELP.@)
1555 *
1556 */
1557 BOOL WINAPI SymGetLineNext64(HANDLE hProcess, PIMAGEHLP_LINE64 Line)
1558 {
1559 IMAGEHLP_LINE line32;
1560
1561 line32.SizeOfStruct = sizeof(line32);
1562 copy_line_32_from_64(&line32, Line);
1563 if (!SymGetLineNext(hProcess, &line32)) return FALSE;
1564 copy_line_64_from_32(Line, &line32);
1565 return TRUE;
1566 }
1567
1568 /***********************************************************************
1569 * SymFunctionTableAccess (DBGHELP.@)
1570 */
1571 PVOID WINAPI SymFunctionTableAccess(HANDLE hProcess, DWORD AddrBase)
1572 {
1573 WARN("(%p, 0x%08x): stub\n", hProcess, AddrBase);
1574 return NULL;
1575 }
1576
1577 /***********************************************************************
1578 * SymFunctionTableAccess64 (DBGHELP.@)
1579 */
1580 PVOID WINAPI SymFunctionTableAccess64(HANDLE hProcess, DWORD64 AddrBase)
1581 {
1582 WARN("(%p, %s): stub\n", hProcess, wine_dbgstr_longlong(AddrBase));
1583 return NULL;
1584 }
1585
1586 /***********************************************************************
1587 * SymUnDName (DBGHELP.@)
1588 */
1589 BOOL WINAPI SymUnDName(PIMAGEHLP_SYMBOL sym, PSTR UnDecName, DWORD UnDecNameLength)
1590 {
1591 TRACE("(%p %s %u)\n", sym, UnDecName, UnDecNameLength);
1592 return UnDecorateSymbolName(sym->Name, UnDecName, UnDecNameLength,
1593 UNDNAME_COMPLETE) != 0;
1594 }
1595
1596 static void* und_alloc(size_t len) { return HeapAlloc(GetProcessHeap(), 0, len); }
1597 static void und_free (void* ptr) { HeapFree(GetProcessHeap(), 0, ptr); }
1598
1599 /***********************************************************************
1600 * UnDecorateSymbolName (DBGHELP.@)
1601 */
1602 DWORD WINAPI UnDecorateSymbolName(PCSTR DecoratedName, PSTR UnDecoratedName,
1603 DWORD UndecoratedLength, DWORD Flags)
1604 {
1605 /* undocumented from msvcrt */
1606 static char* (*p_undname)(char*, const char*, int, void* (*)(size_t), void (*)(void*), unsigned short);
1607 static const WCHAR szMsvcrt[] = {'m','s','v','c','r','t','.','d','l','l',0};
1608
1609 TRACE("(%s, %p, %d, 0x%08x)\n",
1610 debugstr_a(DecoratedName), UnDecoratedName, UndecoratedLength, Flags);
1611
1612 if (!p_undname)
1613 {
1614 if (!hMsvcrt) hMsvcrt = LoadLibraryW(szMsvcrt);
1615 if (hMsvcrt) p_undname = (void*)GetProcAddress(hMsvcrt, "__unDName");
1616 if (!p_undname) return 0;
1617 }
1618
1619 if (!UnDecoratedName) return 0;
1620 if (!p_undname(UnDecoratedName, DecoratedName, UndecoratedLength,
1621 und_alloc, und_free, Flags))
1622 return 0;
1623 return strlen(UnDecoratedName);
1624 }
1625
1626 /******************************************************************
1627 * SymMatchString (DBGHELP.@)
1628 *
1629 */
1630 BOOL WINAPI SymMatchString(PCSTR string, PCSTR re, BOOL _case)
1631 {
1632 regex_t preg;
1633 BOOL ret;
1634
1635 TRACE("%s %s %c\n", string, re, _case ? 'Y' : 'N');
1636
1637 compile_regex(re, -1, &preg, _case);
1638 ret = regexec(&preg, string, 0, NULL, 0) == 0;
1639 regfree(&preg);
1640 return ret;
1641 }
1642
1643 /******************************************************************
1644 * SymSearch (DBGHELP.@)
1645 */
1646 BOOL WINAPI SymSearch(HANDLE hProcess, ULONG64 BaseOfDll, DWORD Index,
1647 DWORD SymTag, PCSTR Mask, DWORD64 Address,
1648 PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
1649 PVOID UserContext, DWORD Options)
1650 {
1651 struct sym_enum se;
1652
1653 TRACE("(%p %s %u %u %s %s %p %p %x)\n",
1654 hProcess, wine_dbgstr_longlong(BaseOfDll), Index, SymTag, Mask,
1655 wine_dbgstr_longlong(Address), EnumSymbolsCallback,
1656 UserContext, Options);
1657
1658 if (Options != SYMSEARCH_GLOBALSONLY)
1659 {
1660 FIXME("Unsupported searching with options (%x)\n", Options);
1661 SetLastError(ERROR_INVALID_PARAMETER);
1662 return FALSE;
1663 }
1664
1665 se.cb = EnumSymbolsCallback;
1666 se.user = UserContext;
1667 se.index = Index;
1668 se.tag = SymTag;
1669 se.addr = Address;
1670 se.sym_info = (PSYMBOL_INFO)se.buffer;
1671
1672 return sym_enum(hProcess, BaseOfDll, Mask, &se);
1673 }
1674
1675 /******************************************************************
1676 * SymSearchW (DBGHELP.@)
1677 */
1678 BOOL WINAPI SymSearchW(HANDLE hProcess, ULONG64 BaseOfDll, DWORD Index,
1679 DWORD SymTag, PCWSTR Mask, DWORD64 Address,
1680 PSYM_ENUMERATESYMBOLS_CALLBACKW EnumSymbolsCallback,
1681 PVOID UserContext, DWORD Options)
1682 {
1683 struct sym_enumW sew;
1684 BOOL ret = FALSE;
1685 char* maskA = NULL;
1686
1687 TRACE("(%p %s %u %u %s %s %p %p %x)\n",
1688 hProcess, wine_dbgstr_longlong(BaseOfDll), Index, SymTag, debugstr_w(Mask),
1689 wine_dbgstr_longlong(Address), EnumSymbolsCallback,
1690 UserContext, Options);
1691
1692 sew.ctx = UserContext;
1693 sew.cb = EnumSymbolsCallback;
1694 sew.sym_info = (PSYMBOL_INFOW)sew.buffer;
1695
1696 if (Mask)
1697 {
1698 unsigned len = WideCharToMultiByte(CP_ACP, 0, Mask, -1, NULL, 0, NULL, NULL);
1699 maskA = HeapAlloc(GetProcessHeap(), 0, len);
1700 if (!maskA) return FALSE;
1701 WideCharToMultiByte(CP_ACP, 0, Mask, -1, maskA, len, NULL, NULL);
1702 }
1703 ret = SymSearch(hProcess, BaseOfDll, Index, SymTag, maskA, Address,
1704 sym_enumW, &sew, Options);
1705 HeapFree(GetProcessHeap(), 0, maskA);
1706
1707 return ret;
1708 }
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