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advpack: Fix buffer sizes for possibly quoted strings.
[wine.git] / dlls / dbghelp / symbol.c
blob1d7edb8463d7737d4e911306c208195169b8ccf5
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 /******************************************************************
1059 * SymFromAddr (DBGHELP.@)
1060 *
1061 */
1062 BOOL WINAPI SymFromAddr(HANDLE hProcess, DWORD64 Address,
1063 DWORD64* Displacement, PSYMBOL_INFO Symbol)
1064 {
1065 struct module_pair pair;
1066 struct symt_ht* sym;
1067
1068 pair.pcs = process_find_by_handle(hProcess);
1069 if (!pair.pcs) return FALSE;
1070 pair.requested = module_find_by_addr(pair.pcs, Address, DMT_UNKNOWN);
1071 if (!module_get_debug(&pair)) return FALSE;
1072 if ((sym = symt_find_nearest(pair.effective, Address)) == NULL) return FALSE;
1073
1074 symt_fill_sym_info(&pair, NULL, &sym->symt, Symbol);
1075 *Displacement = Address - Symbol->Address;
1076 return TRUE;
1077 }
1078
1079 /******************************************************************
1080 * SymFromAddrW (DBGHELP.@)
1081 *
1082 */
1083 BOOL WINAPI SymFromAddrW(HANDLE hProcess, DWORD64 Address,
1084 DWORD64* Displacement, PSYMBOL_INFOW Symbol)
1085 {
1086 PSYMBOL_INFO si;
1087 unsigned len;
1088 BOOL ret;
1089
1090 len = sizeof(*si) + Symbol->MaxNameLen * sizeof(WCHAR);
1091 si = HeapAlloc(GetProcessHeap(), 0, len);
1092 if (!si) return FALSE;
1093
1094 si->SizeOfStruct = sizeof(*si);
1095 si->MaxNameLen = Symbol->MaxNameLen;
1096 if ((ret = SymFromAddr(hProcess, Address, Displacement, si)))
1097 {
1098 copy_symbolW(Symbol, si);
1099 }
1100 HeapFree(GetProcessHeap(), 0, si);
1101 return ret;
1102 }
1103
1104 /******************************************************************
1105 * SymGetSymFromAddr (DBGHELP.@)
1106 *
1107 */
1108 BOOL WINAPI SymGetSymFromAddr(HANDLE hProcess, DWORD Address,
1109 PDWORD Displacement, PIMAGEHLP_SYMBOL Symbol)
1110 {
1111 char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
1112 SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
1113 size_t len;
1114 DWORD64 Displacement64;
1115
1116 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
1117 si->SizeOfStruct = sizeof(*si);
1118 si->MaxNameLen = MAX_SYM_NAME;
1119 if (!SymFromAddr(hProcess, Address, &Displacement64, si))
1120 return FALSE;
1121
1122 if (Displacement)
1123 *Displacement = Displacement64;
1124 Symbol->Address = si->Address;
1125 Symbol->Size = si->Size;
1126 Symbol->Flags = si->Flags;
1127 len = min(Symbol->MaxNameLength, si->MaxNameLen);
1128 lstrcpynA(Symbol->Name, si->Name, len);
1129 return TRUE;
1130 }
1131
1132 /******************************************************************
1133 * SymGetSymFromAddr64 (DBGHELP.@)
1134 *
1135 */
1136 BOOL WINAPI SymGetSymFromAddr64(HANDLE hProcess, DWORD64 Address,
1137 PDWORD64 Displacement, PIMAGEHLP_SYMBOL64 Symbol)
1138 {
1139 char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
1140 SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
1141 size_t len;
1142 DWORD64 Displacement64;
1143
1144 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
1145 si->SizeOfStruct = sizeof(*si);
1146 si->MaxNameLen = MAX_SYM_NAME;
1147 if (!SymFromAddr(hProcess, Address, &Displacement64, si))
1148 return FALSE;
1149
1150 if (Displacement)
1151 *Displacement = Displacement64;
1152 Symbol->Address = si->Address;
1153 Symbol->Size = si->Size;
1154 Symbol->Flags = si->Flags;
1155 len = min(Symbol->MaxNameLength, si->MaxNameLen);
1156 lstrcpynA(Symbol->Name, si->Name, len);
1157 return TRUE;
1158 }
1159
1160 static BOOL find_name(struct process* pcs, struct module* module, const char* name,
1161 SYMBOL_INFO* symbol)
1162 {
1163 struct hash_table_iter hti;
1164 void* ptr;
1165 struct symt_ht* sym = NULL;
1166 struct module_pair pair;
1167
1168 pair.pcs = pcs;
1169 if (!(pair.requested = module)) return FALSE;
1170 if (!module_get_debug(&pair)) return FALSE;
1171
1172 hash_table_iter_init(&pair.effective->ht_symbols, &hti, name);
1173 while ((ptr = hash_table_iter_up(&hti)))
1174 {
1175 sym = GET_ENTRY(ptr, struct symt_ht, hash_elt);
1176
1177 if (!strcmp(sym->hash_elt.name, name))
1178 {
1179 symt_fill_sym_info(&pair, NULL, &sym->symt, symbol);
1180 return TRUE;
1181 }
1182 }
1183 return FALSE;
1184
1185 }
1186 /******************************************************************
1187 * SymFromName (DBGHELP.@)
1188 *
1189 */
1190 BOOL WINAPI SymFromName(HANDLE hProcess, PCSTR Name, PSYMBOL_INFO Symbol)
1191 {
1192 struct process* pcs = process_find_by_handle(hProcess);
1193 struct module* module;
1194 const char* name;
1195
1196 TRACE("(%p, %s, %p)\n", hProcess, Name, Symbol);
1197 if (!pcs) return FALSE;
1198 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
1199 name = strchr(Name, '!');
1200 if (name)
1201 {
1202 char tmp[128];
1203 assert(name - Name < sizeof(tmp));
1204 memcpy(tmp, Name, name - Name);
1205 tmp[name - Name] = '\0';
1206 module = module_find_by_nameA(pcs, tmp);
1207 return find_name(pcs, module, name + 1, Symbol);
1208 }
1209 for (module = pcs->lmodules; module; module = module->next)
1210 {
1211 if (module->type == DMT_PE && find_name(pcs, module, Name, Symbol))
1212 return TRUE;
1213 }
1214 /* not found in PE modules, retry on the ELF ones
1215 */
1216 if (dbghelp_options & SYMOPT_WINE_WITH_ELF_MODULES)
1217 {
1218 for (module = pcs->lmodules; module; module = module->next)
1219 {
1220 if (module->type == DMT_ELF && !module_get_containee(pcs, module) &&
1221 find_name(pcs, module, Name, Symbol))
1222 return TRUE;
1223 }
1224 }
1225 return FALSE;
1226 }
1227
1228 /***********************************************************************
1229 * SymGetSymFromName (DBGHELP.@)
1230 */
1231 BOOL WINAPI SymGetSymFromName(HANDLE hProcess, PCSTR Name, PIMAGEHLP_SYMBOL Symbol)
1232 {
1233 char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
1234 SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
1235 size_t len;
1236
1237 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
1238 si->SizeOfStruct = sizeof(*si);
1239 si->MaxNameLen = MAX_SYM_NAME;
1240 if (!SymFromName(hProcess, Name, si)) return FALSE;
1241
1242 Symbol->Address = si->Address;
1243 Symbol->Size = si->Size;
1244 Symbol->Flags = si->Flags;
1245 len = min(Symbol->MaxNameLength, si->MaxNameLen);
1246 lstrcpynA(Symbol->Name, si->Name, len);
1247 return TRUE;
1248 }
1249
1250 /******************************************************************
1251 * sym_fill_func_line_info
1252 *
1253 * fills information about a file
1254 */
1255 BOOL symt_fill_func_line_info(const struct module* module, const struct symt_function* func,
1256 DWORD addr, IMAGEHLP_LINE* line)
1257 {
1258 struct line_info* dli = NULL;
1259 BOOL found = FALSE;
1260 int i;
1261
1262 assert(func->symt.tag == SymTagFunction);
1263
1264 for (i=vector_length(&func->vlines)-1; i>=0; i--)
1265 {
1266 dli = vector_at(&func->vlines, i);
1267 if (!dli->is_source_file)
1268 {
1269 if (found || dli->u.pc_offset > addr) continue;
1270 line->LineNumber = dli->line_number;
1271 line->Address = dli->u.pc_offset;
1272 line->Key = dli;
1273 found = TRUE;
1274 continue;
1275 }
1276 if (found)
1277 {
1278 line->FileName = (char*)source_get(module, dli->u.source_file);
1279 return TRUE;
1280 }
1281 }
1282 return FALSE;
1283 }
1284
1285 /***********************************************************************
1286 * SymGetSymNext (DBGHELP.@)
1287 */
1288 BOOL WINAPI SymGetSymNext(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol)
1289 {
1290 /* algo:
1291 * get module from Symbol.Address
1292 * get index in module.addr_sorttab of Symbol.Address
1293 * increment index
1294 * if out of module bounds, move to next module in process address space
1295 */
1296 FIXME("(%p, %p): stub\n", hProcess, Symbol);
1297 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1298 return FALSE;
1299 }
1300
1301 /***********************************************************************
1302 * SymGetSymPrev (DBGHELP.@)
1303 */
1304
1305 BOOL WINAPI SymGetSymPrev(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol)
1306 {
1307 FIXME("(%p, %p): stub\n", hProcess, Symbol);
1308 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1309 return FALSE;
1310 }
1311
1312 /******************************************************************
1313 * SymGetLineFromAddr (DBGHELP.@)
1314 *
1315 */
1316 BOOL WINAPI SymGetLineFromAddr(HANDLE hProcess, DWORD dwAddr,
1317 PDWORD pdwDisplacement, PIMAGEHLP_LINE Line)
1318 {
1319 struct module_pair pair;
1320 struct symt_ht* symt;
1321
1322 TRACE("%p %08x %p %p\n", hProcess, dwAddr, pdwDisplacement, Line);
1323
1324 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1325
1326 pair.pcs = process_find_by_handle(hProcess);
1327 if (!pair.pcs) return FALSE;
1328 pair.requested = module_find_by_addr(pair.pcs, dwAddr, DMT_UNKNOWN);
1329 if (!module_get_debug(&pair)) return FALSE;
1330 if ((symt = symt_find_nearest(pair.effective, dwAddr)) == NULL) return FALSE;
1331
1332 if (symt->symt.tag != SymTagFunction) return FALSE;
1333 if (!symt_fill_func_line_info(pair.effective, (struct symt_function*)symt,
1334 dwAddr, Line)) return FALSE;
1335 *pdwDisplacement = dwAddr - Line->Address;
1336 return TRUE;
1337 }
1338
1339 /******************************************************************
1340 * copy_line_64_from_32 (internal)
1341 *
1342 */
1343 static void copy_line_64_from_32(IMAGEHLP_LINE64* l64, const IMAGEHLP_LINE* l32)
1344
1345 {
1346 l64->Key = l32->Key;
1347 l64->LineNumber = l32->LineNumber;
1348 l64->FileName = l32->FileName;
1349 l64->Address = l32->Address;
1350 }
1351
1352 /******************************************************************
1353 * copy_line_W64_from_32 (internal)
1354 *
1355 */
1356 static void copy_line_W64_from_32(struct process* pcs, IMAGEHLP_LINEW64* l64, const IMAGEHLP_LINE* l32)
1357 {
1358 unsigned len;
1359
1360 l64->Key = l32->Key;
1361 l64->LineNumber = l32->LineNumber;
1362 len = MultiByteToWideChar(CP_ACP, 0, l32->FileName, -1, NULL, 0);
1363 if ((l64->FileName = fetch_buffer(pcs, len * sizeof(WCHAR))))
1364 MultiByteToWideChar(CP_ACP, 0, l32->FileName, -1, l64->FileName, len);
1365 l64->Address = l32->Address;
1366 }
1367
1368 /******************************************************************
1369 * copy_line_32_from_64 (internal)
1370 *
1371 */
1372 static void copy_line_32_from_64(IMAGEHLP_LINE* l32, const IMAGEHLP_LINE64* l64)
1373
1374 {
1375 l32->Key = l64->Key;
1376 l32->LineNumber = l64->LineNumber;
1377 l32->FileName = l64->FileName;
1378 l32->Address = l64->Address;
1379 }
1380
1381 /******************************************************************
1382 * SymGetLineFromAddr64 (DBGHELP.@)
1383 *
1384 */
1385 BOOL WINAPI SymGetLineFromAddr64(HANDLE hProcess, DWORD64 dwAddr,
1386 PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line)
1387 {
1388 IMAGEHLP_LINE line32;
1389
1390 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1391 if (!validate_addr64(dwAddr)) return FALSE;
1392 line32.SizeOfStruct = sizeof(line32);
1393 if (!SymGetLineFromAddr(hProcess, (DWORD)dwAddr, pdwDisplacement, &line32))
1394 return FALSE;
1395 copy_line_64_from_32(Line, &line32);
1396 return TRUE;
1397 }
1398
1399 /******************************************************************
1400 * SymGetLineFromAddrW64 (DBGHELP.@)
1401 *
1402 */
1403 BOOL WINAPI SymGetLineFromAddrW64(HANDLE hProcess, DWORD64 dwAddr,
1404 PDWORD pdwDisplacement, PIMAGEHLP_LINEW64 Line)
1405 {
1406 struct process* pcs = process_find_by_handle(hProcess);
1407 IMAGEHLP_LINE line32;
1408
1409 if (!pcs) return FALSE;
1410 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1411 if (!validate_addr64(dwAddr)) return FALSE;
1412 line32.SizeOfStruct = sizeof(line32);
1413 if (!SymGetLineFromAddr(hProcess, (DWORD)dwAddr, pdwDisplacement, &line32))
1414 return FALSE;
1415 copy_line_W64_from_32(pcs, Line, &line32);
1416 return TRUE;
1417 }
1418
1419 /******************************************************************
1420 * SymGetLinePrev (DBGHELP.@)
1421 *
1422 */
1423 BOOL WINAPI SymGetLinePrev(HANDLE hProcess, PIMAGEHLP_LINE Line)
1424 {
1425 struct module_pair pair;
1426 struct line_info* li;
1427 BOOL in_search = FALSE;
1428
1429 TRACE("(%p %p)\n", hProcess, Line);
1430
1431 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1432
1433 pair.pcs = process_find_by_handle(hProcess);
1434 if (!pair.pcs) return FALSE;
1435 pair.requested = module_find_by_addr(pair.pcs, Line->Address, DMT_UNKNOWN);
1436 if (!module_get_debug(&pair)) return FALSE;
1437
1438 if (Line->Key == 0) return FALSE;
1439 li = (struct line_info*)Line->Key;
1440 /* things are a bit complicated because when we encounter a DLIT_SOURCEFILE
1441 * element we have to go back until we find the prev one to get the real
1442 * source file name for the DLIT_OFFSET element just before
1443 * the first DLIT_SOURCEFILE
1444 */
1445 while (!li->is_first)
1446 {
1447 li--;
1448 if (!li->is_source_file)
1449 {
1450 Line->LineNumber = li->line_number;
1451 Line->Address = li->u.pc_offset;
1452 Line->Key = li;
1453 if (!in_search) return TRUE;
1454 }
1455 else
1456 {
1457 if (in_search)
1458 {
1459 Line->FileName = (char*)source_get(pair.effective, li->u.source_file);
1460 return TRUE;
1461 }
1462 in_search = TRUE;
1463 }
1464 }
1465 SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
1466 return FALSE;
1467 }
1468
1469 /******************************************************************
1470 * SymGetLinePrev64 (DBGHELP.@)
1471 *
1472 */
1473 BOOL WINAPI SymGetLinePrev64(HANDLE hProcess, PIMAGEHLP_LINE64 Line)
1474 {
1475 IMAGEHLP_LINE line32;
1476
1477 line32.SizeOfStruct = sizeof(line32);
1478 copy_line_32_from_64(&line32, Line);
1479 if (!SymGetLinePrev(hProcess, &line32)) return FALSE;
1480 copy_line_64_from_32(Line, &line32);
1481 return TRUE;
1482 }
1483
1484 BOOL symt_get_func_line_next(const struct module* module, PIMAGEHLP_LINE line)
1485 {
1486 struct line_info* li;
1487
1488 if (line->Key == 0) return FALSE;
1489 li = (struct line_info*)line->Key;
1490 while (!li->is_last)
1491 {
1492 li++;
1493 if (!li->is_source_file)
1494 {
1495 line->LineNumber = li->line_number;
1496 line->Address = li->u.pc_offset;
1497 line->Key = li;
1498 return TRUE;
1499 }
1500 line->FileName = (char*)source_get(module, li->u.source_file);
1501 }
1502 return FALSE;
1503 }
1504
1505 /******************************************************************
1506 * SymGetLineNext (DBGHELP.@)
1507 *
1508 */
1509 BOOL WINAPI SymGetLineNext(HANDLE hProcess, PIMAGEHLP_LINE Line)
1510 {
1511 struct module_pair pair;
1512
1513 TRACE("(%p %p)\n", hProcess, Line);
1514
1515 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1516 pair.pcs = process_find_by_handle(hProcess);
1517 if (!pair.pcs) return FALSE;
1518 pair.requested = module_find_by_addr(pair.pcs, Line->Address, DMT_UNKNOWN);
1519 if (!module_get_debug(&pair)) return FALSE;
1520
1521 if (symt_get_func_line_next(pair.effective, Line)) return TRUE;
1522 SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
1523 return FALSE;
1524 }
1525
1526 /******************************************************************
1527 * SymGetLineNext64 (DBGHELP.@)
1528 *
1529 */
1530 BOOL WINAPI SymGetLineNext64(HANDLE hProcess, PIMAGEHLP_LINE64 Line)
1531 {
1532 IMAGEHLP_LINE line32;
1533
1534 line32.SizeOfStruct = sizeof(line32);
1535 copy_line_32_from_64(&line32, Line);
1536 if (!SymGetLineNext(hProcess, &line32)) return FALSE;
1537 copy_line_64_from_32(Line, &line32);
1538 return TRUE;
1539 }
1540
1541 /***********************************************************************
1542 * SymFunctionTableAccess (DBGHELP.@)
1543 */
1544 PVOID WINAPI SymFunctionTableAccess(HANDLE hProcess, DWORD AddrBase)
1545 {
1546 WARN("(%p, 0x%08x): stub\n", hProcess, AddrBase);
1547 return NULL;
1548 }
1549
1550 /***********************************************************************
1551 * SymFunctionTableAccess64 (DBGHELP.@)
1552 */
1553 PVOID WINAPI SymFunctionTableAccess64(HANDLE hProcess, DWORD64 AddrBase)
1554 {
1555 WARN("(%p, %s): stub\n", hProcess, wine_dbgstr_longlong(AddrBase));
1556 return NULL;
1557 }
1558
1559 /***********************************************************************
1560 * SymUnDName (DBGHELP.@)
1561 */
1562 BOOL WINAPI SymUnDName(PIMAGEHLP_SYMBOL sym, PSTR UnDecName, DWORD UnDecNameLength)
1563 {
1564 TRACE("(%p %s %u)\n", sym, UnDecName, UnDecNameLength);
1565 return UnDecorateSymbolName(sym->Name, UnDecName, UnDecNameLength,
1566 UNDNAME_COMPLETE) != 0;
1567 }
1568
1569 static void* und_alloc(size_t len) { return HeapAlloc(GetProcessHeap(), 0, len); }
1570 static void und_free (void* ptr) { HeapFree(GetProcessHeap(), 0, ptr); }
1571
1572 /***********************************************************************
1573 * UnDecorateSymbolName (DBGHELP.@)
1574 */
1575 DWORD WINAPI UnDecorateSymbolName(PCSTR DecoratedName, PSTR UnDecoratedName,
1576 DWORD UndecoratedLength, DWORD Flags)
1577 {
1578 /* undocumented from msvcrt */
1579 static char* (*p_undname)(char*, const char*, int, void* (*)(size_t), void (*)(void*), unsigned short);
1580 static const WCHAR szMsvcrt[] = {'m','s','v','c','r','t','.','d','l','l',0};
1581
1582 TRACE("(%s, %p, %d, 0x%08x)\n",
1583 debugstr_a(DecoratedName), UnDecoratedName, UndecoratedLength, Flags);
1584
1585 if (!p_undname)
1586 {
1587 if (!hMsvcrt) hMsvcrt = LoadLibraryW(szMsvcrt);
1588 if (hMsvcrt) p_undname = (void*)GetProcAddress(hMsvcrt, "__unDName");
1589 if (!p_undname) return 0;
1590 }
1591
1592 if (!UnDecoratedName) return 0;
1593 if (!p_undname(UnDecoratedName, DecoratedName, UndecoratedLength,
1594 und_alloc, und_free, Flags))
1595 return 0;
1596 return strlen(UnDecoratedName);
1597 }
1598
1599 /******************************************************************
1600 * SymMatchString (DBGHELP.@)
1601 *
1602 */
1603 BOOL WINAPI SymMatchString(PCSTR string, PCSTR re, BOOL _case)
1604 {
1605 regex_t preg;
1606 BOOL ret;
1607
1608 TRACE("%s %s %c\n", string, re, _case ? 'Y' : 'N');
1609
1610 compile_regex(re, -1, &preg, _case);
1611 ret = regexec(&preg, string, 0, NULL, 0) == 0;
1612 regfree(&preg);
1613 return ret;
1614 }
1615
1616 /******************************************************************
1617 * SymSearch (DBGHELP.@)
1618 */
1619 BOOL WINAPI SymSearch(HANDLE hProcess, ULONG64 BaseOfDll, DWORD Index,
1620 DWORD SymTag, PCSTR Mask, DWORD64 Address,
1621 PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
1622 PVOID UserContext, DWORD Options)
1623 {
1624 struct sym_enum se;
1625
1626 TRACE("(%p %s %u %u %s %s %p %p %x)\n",
1627 hProcess, wine_dbgstr_longlong(BaseOfDll), Index, SymTag, Mask,
1628 wine_dbgstr_longlong(Address), EnumSymbolsCallback,
1629 UserContext, Options);
1630
1631 if (Options != SYMSEARCH_GLOBALSONLY)
1632 {
1633 FIXME("Unsupported searching with options (%x)\n", Options);
1634 SetLastError(ERROR_INVALID_PARAMETER);
1635 return FALSE;
1636 }
1637
1638 se.cb = EnumSymbolsCallback;
1639 se.user = UserContext;
1640 se.index = Index;
1641 se.tag = SymTag;
1642 se.addr = Address;
1643 se.sym_info = (PSYMBOL_INFO)se.buffer;
1644
1645 return sym_enum(hProcess, BaseOfDll, Mask, &se);
1646 }
1647
1648 /******************************************************************
1649 * SymSearchW (DBGHELP.@)
1650 */
1651 BOOL WINAPI SymSearchW(HANDLE hProcess, ULONG64 BaseOfDll, DWORD Index,
1652 DWORD SymTag, PCWSTR Mask, DWORD64 Address,
1653 PSYM_ENUMERATESYMBOLS_CALLBACKW EnumSymbolsCallback,
1654 PVOID UserContext, DWORD Options)
1655 {
1656 struct sym_enumW sew;
1657 BOOL ret = FALSE;
1658 char* maskA = NULL;
1659
1660 TRACE("(%p %s %u %u %s %s %p %p %x)\n",
1661 hProcess, wine_dbgstr_longlong(BaseOfDll), Index, SymTag, debugstr_w(Mask),
1662 wine_dbgstr_longlong(Address), EnumSymbolsCallback,
1663 UserContext, Options);
1664
1665 sew.ctx = UserContext;
1666 sew.cb = EnumSymbolsCallback;
1667 sew.sym_info = (PSYMBOL_INFOW)sew.buffer;
1668
1669 if (Mask)
1670 {
1671 unsigned len = WideCharToMultiByte(CP_ACP, 0, Mask, -1, NULL, 0, NULL, NULL);
1672 maskA = HeapAlloc(GetProcessHeap(), 0, len);
1673 if (!maskA) return FALSE;
1674 WideCharToMultiByte(CP_ACP, 0, Mask, -1, maskA, len, NULL, NULL);
1675 }
1676 ret = SymSearch(hProcess, BaseOfDll, Index, SymTag, maskA, Address,
1677 sym_enumW, &sew, Options);
1678 HeapFree(GetProcessHeap(), 0, maskA);
1679
1680 return ret;
1681 }
Windows API implementation