2 * File symbol.c - management of symbols (lexical tree)
4 * Copyright (C) 1993, Eric Youngdale.
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #define NONAMELESSUNION
23 #define NONAMELESSSTRUCT
31 #include <sys/types.h>
37 #include "wine/debug.h"
38 #include "dbghelp_private.h"
40 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
41 WINE_DECLARE_DEBUG_CHANNEL(dbghelp_symt);
45 unsigned long is_first : 1,
51 unsigned long pc_offset; /* if is_source_file isn't set */
52 unsigned source_file; /* if is_source_file is set */
56 inline static int cmp_addr(DWORD a1, DWORD a2)
58 if (a1 > a2) return 1;
59 if (a1 < a2) return -1;
63 inline static int cmp_sorttab_addr(const struct module* module, int idx, DWORD addr)
67 symt_get_info(&module->addr_sorttab[idx]->symt, TI_GET_ADDRESS, &ref);
68 return cmp_addr(ref, addr);
71 int symt_cmp_addr(const void* p1, const void* p2)
73 const struct symt* sym1 = *(const struct symt* const *)p1;
74 const struct symt* sym2 = *(const struct symt* const *)p2;
77 symt_get_info(sym1, TI_GET_ADDRESS, &a1);
78 symt_get_info(sym2, TI_GET_ADDRESS, &a2);
79 return cmp_addr(a1, a2);
82 static inline void re_append(char** mask, unsigned* len, char ch)
84 *mask = HeapReAlloc(GetProcessHeap(), 0, *mask, ++(*len));
85 (*mask)[*len - 2] = ch;
88 /* transforms a dbghelp's regular expression into a POSIX one
89 * Here are the valid dbghelp reg ex characters:
90 * * 0 or more characters
91 * ? a single character
93 * # 0 or more of preceding char
94 * + 1 or more of preceding char
95 * escapes \ on #, ?, [, ], *, +. don't work on -
97 static void compile_regex(const char* str, int numchar, regex_t* re)
99 char* mask = HeapAlloc(GetProcessHeap(), 0, 1);
101 BOOL in_escape = FALSE;
103 re_append(&mask, &len, '^');
105 while (*str && numchar--)
107 /* FIXME: this shouldn't be valid on '-' */
110 re_append(&mask, &len, '\\');
111 re_append(&mask, &len, *str);
116 case '\\': in_escape = TRUE; break;
117 case '*': re_append(&mask, &len, '.'); re_append(&mask, &len, '*'); break;
118 case '?': re_append(&mask, &len, '.'); break;
119 case '#': re_append(&mask, &len, '*'); break;
120 /* escape some valid characters in dbghelp reg exp:s */
121 case '$': re_append(&mask, &len, '\\'); re_append(&mask, &len, '$'); break;
122 /* +, [, ], - are the same in dbghelp & POSIX, use them as any other char */
123 default: re_append(&mask, &len, *str); break;
129 re_append(&mask, &len, '\\');
130 re_append(&mask, &len, '\\');
132 re_append(&mask, &len, '$');
133 mask[len - 1] = '\0';
134 if (regcomp(re, mask, REG_NOSUB)) FIXME("Couldn't compile %s\n", mask);
135 HeapFree(GetProcessHeap(), 0, mask);
138 struct symt_compiland* symt_new_compiland(struct module* module, const char* name)
140 struct symt_compiland* sym;
142 TRACE_(dbghelp_symt)("Adding compiland symbol %s:%s\n",
143 module->module.ModuleName, name);
144 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
146 sym->symt.tag = SymTagCompiland;
147 sym->source = source_new(module, name);
148 vector_init(&sym->vchildren, sizeof(struct symt*), 32);
153 struct symt_public* symt_new_public(struct module* module,
154 struct symt_compiland* compiland,
156 unsigned long address, unsigned size,
157 BOOL in_code, BOOL is_func)
159 struct symt_public* sym;
162 TRACE_(dbghelp_symt)("Adding public symbol %s:%s @%lx\n",
163 module->module.ModuleName, name, address);
164 if ((dbghelp_options & SYMOPT_AUTO_PUBLICS) &&
165 symt_find_nearest(module, address) != -1)
167 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
169 sym->symt.tag = SymTagPublicSymbol;
170 sym->hash_elt.name = pool_strdup(&module->pool, name);
171 hash_table_add(&module->ht_symbols, &sym->hash_elt);
172 module->sortlist_valid = FALSE;
173 sym->container = compiland ? &compiland->symt : NULL;
174 sym->address = address;
176 sym->in_code = in_code;
177 sym->is_function = is_func;
180 p = vector_add(&compiland->vchildren, &module->pool);
187 struct symt_data* symt_new_global_variable(struct module* module,
188 struct symt_compiland* compiland,
189 const char* name, unsigned is_static,
190 unsigned long addr, unsigned long size,
193 struct symt_data* sym;
197 TRACE_(dbghelp_symt)("Adding global symbol %s:%s @%lx %p\n",
198 module->module.ModuleName, name, addr, type);
199 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
201 sym->symt.tag = SymTagData;
202 sym->hash_elt.name = pool_strdup(&module->pool, name);
203 hash_table_add(&module->ht_symbols, &sym->hash_elt);
204 module->sortlist_valid = FALSE;
205 sym->kind = is_static ? DataIsFileStatic : DataIsGlobal;
206 sym->container = compiland ? &compiland->symt : NULL;
208 sym->u.address = addr;
209 if (type && size && symt_get_info(type, TI_GET_LENGTH, &tsz))
212 FIXME("Size mismatch for %s.%s between type (%lu) and src (%lu)\n",
213 module->module.ModuleName, name, tsz, size);
217 p = vector_add(&compiland->vchildren, &module->pool);
224 struct symt_function* symt_new_function(struct module* module,
225 struct symt_compiland* compiland,
227 unsigned long addr, unsigned long size,
228 struct symt* sig_type)
230 struct symt_function* sym;
233 TRACE_(dbghelp_symt)("Adding global function %s:%s @%lx-%lx\n",
234 module->module.ModuleName, name, addr, addr + size - 1);
236 assert(!sig_type || sig_type->tag == SymTagFunctionType);
237 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
239 sym->symt.tag = SymTagFunction;
240 sym->hash_elt.name = pool_strdup(&module->pool, name);
241 hash_table_add(&module->ht_symbols, &sym->hash_elt);
242 module->sortlist_valid = FALSE;
243 sym->container = &compiland->symt;
245 sym->type = sig_type;
247 vector_init(&sym->vlines, sizeof(struct line_info), 64);
248 vector_init(&sym->vchildren, sizeof(struct symt*), 8);
251 p = vector_add(&compiland->vchildren, &module->pool);
258 void symt_add_func_line(struct module* module, struct symt_function* func,
259 unsigned source_idx, int line_num, unsigned long offset)
261 struct line_info* dli;
262 BOOL last_matches = FALSE;
264 if (func == NULL || !(dbghelp_options & SYMOPT_LOAD_LINES)) return;
266 TRACE_(dbghelp_symt)("(%p)%s:%lx %s:%u\n",
267 func, func->hash_elt.name, offset,
268 source_get(module, source_idx), line_num);
270 assert(func->symt.tag == SymTagFunction);
273 while ((dli = vector_iter_down(&func->vlines, dli)))
275 if (dli->is_source_file)
277 last_matches = (source_idx == dli->u.source_file);
284 /* we shouldn't have line changes on first line of function */
285 dli = vector_add(&func->vlines, &module->pool);
286 dli->is_source_file = 1;
287 dli->is_first = dli->is_last = 0;
288 dli->line_number = 0;
289 dli->u.source_file = source_idx;
291 dli = vector_add(&func->vlines, &module->pool);
292 dli->is_source_file = 0;
293 dli->is_first = dli->is_last = 0;
294 dli->line_number = line_num;
295 dli->u.pc_offset = func->address + offset;
298 struct symt_data* symt_add_func_local(struct module* module,
299 struct symt_function* func,
300 int regno, int offset,
301 struct symt_block* block,
302 struct symt* type, const char* name)
304 struct symt_data* locsym;
308 assert(func->symt.tag == SymTagFunction);
310 TRACE_(dbghelp_symt)("Adding local symbol (%s:%s): %s %p\n",
311 module->module.ModuleName, func->hash_elt.name,
313 locsym = pool_alloc(&module->pool, sizeof(*locsym));
314 locsym->symt.tag = SymTagData;
315 locsym->hash_elt.name = pool_strdup(&module->pool, name);
316 locsym->hash_elt.next = NULL;
317 locsym->kind = (offset < 0) ? DataIsParam : DataIsLocal;
318 locsym->container = &block->symt;
322 locsym->u.s.reg_id = regno;
323 locsym->u.s.offset = 0;
324 locsym->u.s.length = 0;
328 locsym->u.s.reg_id = 0;
329 locsym->u.s.offset = offset * 8;
330 locsym->u.s.length = 0;
333 p = vector_add(&block->vchildren, &module->pool);
335 p = vector_add(&func->vchildren, &module->pool);
340 struct symt_block* symt_open_func_block(struct module* module,
341 struct symt_function* func,
342 struct symt_block* parent_block,
343 unsigned pc, unsigned len)
345 struct symt_block* block;
349 assert(func->symt.tag == SymTagFunction);
351 assert(!parent_block || parent_block->symt.tag == SymTagBlock);
352 block = pool_alloc(&module->pool, sizeof(*block));
353 block->symt.tag = SymTagBlock;
354 block->address = func->address + pc;
356 block->container = parent_block ? &parent_block->symt : &func->symt;
357 vector_init(&block->vchildren, sizeof(struct symt*), 4);
359 p = vector_add(&parent_block->vchildren, &module->pool);
361 p = vector_add(&func->vchildren, &module->pool);
367 struct symt_block* symt_close_func_block(struct module* module,
368 struct symt_function* func,
369 struct symt_block* block, unsigned pc)
371 assert(func->symt.tag == SymTagFunction);
373 if (pc) block->size = func->address + pc - block->address;
374 return (block->container->tag == SymTagBlock) ?
375 GET_ENTRY(block->container, struct symt_block, symt) : NULL;
378 struct symt_function_point* symt_add_function_point(struct module* module,
379 struct symt_function* func,
380 enum SymTagEnum point,
381 unsigned offset, const char* name)
383 struct symt_function_point* sym;
386 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
388 sym->symt.tag = point;
390 sym->offset = offset;
391 sym->name = name ? pool_strdup(&module->pool, name) : NULL;
392 p = vector_add(&func->vchildren, &module->pool);
398 BOOL symt_normalize_function(struct module* module, struct symt_function* func)
401 struct line_info* dli;
404 /* We aren't adding any more locals or line numbers to this function.
405 * Free any spare memory that we might have allocated.
407 assert(func->symt.tag == SymTagFunction);
409 /* EPP vector_pool_normalize(&func->vlines, &module->pool); */
410 /* EPP vector_pool_normalize(&func->vchildren, &module->pool); */
412 len = vector_length(&func->vlines);
415 dli = vector_at(&func->vlines, 0); dli->is_first = 1;
416 dli = vector_at(&func->vlines, len); dli->is_last = 1;
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)
426 struct symt_thunk* sym;
428 TRACE_(dbghelp_symt)("Adding global thunk %s:%s @%lx-%lx\n",
429 module->module.ModuleName, name, addr, addr + size - 1);
431 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
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;
444 p = vector_add(&compiland->vchildren, &module->pool);
451 /* expect sym_info->MaxNameLen to be set before being called */
452 static void symt_fill_sym_info(const struct module* module,
453 const struct symt* sym, SYMBOL_INFO* sym_info)
457 sym_info->TypeIndex = (DWORD)sym;
458 sym_info->info = 0; /* TBD */
459 symt_get_info(sym, TI_GET_LENGTH, &sym_info->Size);
460 sym_info->ModBase = module->module.BaseOfImage;
466 const struct symt_data* data = (const struct symt_data*)sym;
471 if (data->u.s.reg_id)
473 sym_info->Flags |= SYMFLAG_LOCAL | SYMFLAG_REGISTER;
474 sym_info->Register = data->u.s.reg_id;
475 sym_info->Address = 0;
479 if (data->u.s.offset < 0)
480 sym_info->Flags |= SYMFLAG_LOCAL | SYMFLAG_FRAMEREL;
482 sym_info->Flags |= SYMFLAG_PARAMETER | SYMFLAG_FRAMEREL;
483 /* FIXME: needed ? moreover, it's i386 dependent !!! */
484 sym_info->Register = CV_REG_EBP;
485 sym_info->Address = data->u.s.offset;
489 case DataIsFileStatic:
490 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
491 sym_info->Register = 0;
494 sym_info->Flags |= SYMFLAG_VALUEPRESENT;
495 switch (data->u.value.n1.n2.vt)
497 case VT_I4: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.lVal; break;
498 case VT_I2: sym_info->Value = (ULONG)(long)data->u.value.n1.n2.n3.iVal; break;
499 case VT_I1: sym_info->Value = (ULONG)(long)data->u.value.n1.n2.n3.cVal; break;
500 case VT_UI4: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.ulVal; break;
501 case VT_UI2: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.uiVal; break;
502 case VT_UI1: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.bVal; break;
504 FIXME("Unsupported variant type (%u)\n", data->u.value.n1.n2.vt);
508 FIXME("Unhandled kind (%u) in sym data\n", data->kind);
512 case SymTagPublicSymbol:
513 sym_info->Flags |= SYMFLAG_EXPORT;
514 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
517 sym_info->Flags |= SYMFLAG_FUNCTION;
518 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
521 sym_info->Flags |= SYMFLAG_THUNK;
522 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
525 symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address);
526 sym_info->Register = 0;
529 sym_info->Scope = 0; /* FIXME */
530 sym_info->Tag = sym->tag;
531 name = symt_get_name(sym);
532 if (sym_info->MaxNameLen)
534 if (sym->tag != SymTagPublicSymbol || !(dbghelp_options & SYMOPT_UNDNAME) ||
535 (sym_info->NameLen = UnDecorateSymbolName(sym_info->Name, sym_info->Name,
536 sym_info->MaxNameLen, UNDNAME_COMPLETE) == 0))
538 sym_info->NameLen = min(strlen(name), sym_info->MaxNameLen - 1);
539 strncpy(sym_info->Name, name, sym_info->NameLen);
540 sym_info->Name[sym_info->NameLen] = '\0';
543 TRACE_(dbghelp_symt)("%p => %s %lu %s\n",
544 sym, sym_info->Name, sym_info->Size,
545 wine_dbgstr_longlong(sym_info->Address));
548 static BOOL symt_enum_module(struct module* module, regex_t* regex,
549 PSYM_ENUMERATESYMBOLS_CALLBACK cb, PVOID user)
551 char buffer[sizeof(SYMBOL_INFO) + 256];
552 SYMBOL_INFO* sym_info = (SYMBOL_INFO*)buffer;
554 struct symt_ht* sym = NULL;
555 struct hash_table_iter hti;
557 hash_table_iter_init(&module->ht_symbols, &hti, NULL);
558 while ((ptr = hash_table_iter_up(&hti)))
560 sym = GET_ENTRY(ptr, struct symt_ht, hash_elt);
561 if (sym->hash_elt.name &&
562 regexec(regex, sym->hash_elt.name, 0, NULL, 0) == 0)
564 sym_info->SizeOfStruct = sizeof(SYMBOL_INFO);
565 sym_info->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO);
566 symt_fill_sym_info(module, &sym->symt, sym_info);
567 if (!cb(sym_info, sym_info->Size, user)) return TRUE;
573 /***********************************************************************
576 * Rebuild sorted list of symbols for a module.
578 static BOOL resort_symbols(struct module* module)
583 struct hash_table_iter hti;
585 hash_table_iter_init(&module->ht_symbols, &hti, NULL);
586 while ((ptr = hash_table_iter_up(&hti)))
589 if (!(module->module.NumSyms = nsym)) return FALSE;
591 if (module->addr_sorttab)
592 module->addr_sorttab = HeapReAlloc(GetProcessHeap(), 0,
593 module->addr_sorttab,
594 nsym * sizeof(struct symt_ht*));
596 module->addr_sorttab = HeapAlloc(GetProcessHeap(), 0,
597 nsym * sizeof(struct symt_ht*));
598 if (!module->addr_sorttab) return FALSE;
601 hash_table_iter_init(&module->ht_symbols, &hti, NULL);
602 while ((ptr = hash_table_iter_up(&hti)))
604 sym = GET_ENTRY(ptr, struct symt_ht, hash_elt);
606 module->addr_sorttab[nsym++] = sym;
609 qsort(module->addr_sorttab, nsym, sizeof(struct symt_ht*), symt_cmp_addr);
610 return module->sortlist_valid = TRUE;
613 /* assume addr is in module */
614 int symt_find_nearest(struct module* module, DWORD addr)
617 DWORD ref_addr, ref_size;
619 if (!module->sortlist_valid || !module->addr_sorttab)
621 if (!resort_symbols(module)) return -1;
625 * Binary search to find closest symbol.
628 high = module->module.NumSyms;
630 symt_get_info(&module->addr_sorttab[0]->symt, TI_GET_ADDRESS, &ref_addr);
631 if (addr < ref_addr) return -1;
634 symt_get_info(&module->addr_sorttab[high - 1]->symt, TI_GET_ADDRESS, &ref_addr);
635 if (!symt_get_info(&module->addr_sorttab[high - 1]->symt, TI_GET_LENGTH, &ref_size) || !ref_size)
636 ref_size = 0x1000; /* arbitrary value */
637 if (addr >= ref_addr + ref_size) return -1;
640 while (high > low + 1)
642 mid = (high + low) / 2;
643 if (cmp_sorttab_addr(module, mid, addr) < 0)
648 if (low != high && high != module->module.NumSyms &&
649 cmp_sorttab_addr(module, high, addr) <= 0)
652 /* If found symbol is a public symbol, check if there are any other entries that
653 * might also have the same address, but would get better information
655 if (module->addr_sorttab[low]->symt.tag == SymTagPublicSymbol)
657 symt_get_info(&module->addr_sorttab[low]->symt, TI_GET_ADDRESS, &ref_addr);
659 module->addr_sorttab[low - 1]->symt.tag != SymTagPublicSymbol &&
660 !cmp_sorttab_addr(module, low - 1, ref_addr))
662 else if (low < module->module.NumSyms - 1 &&
663 module->addr_sorttab[low + 1]->symt.tag != SymTagPublicSymbol &&
664 !cmp_sorttab_addr(module, low + 1, ref_addr))
667 /* finally check that we fit into the found symbol */
668 symt_get_info(&module->addr_sorttab[low]->symt, TI_GET_ADDRESS, &ref_addr);
669 if (addr < ref_addr) return -1;
670 if (!symt_get_info(&module->addr_sorttab[high - 1]->symt, TI_GET_LENGTH, &ref_size) || !ref_size)
671 ref_size = 0x1000; /* arbitrary value */
672 if (addr >= ref_addr + ref_size) return -1;
677 static BOOL symt_enum_locals_helper(struct process* pcs, struct module* module,
678 regex_t* preg, PSYM_ENUMERATESYMBOLS_CALLBACK cb,
679 PVOID user, SYMBOL_INFO* sym_info,
682 struct symt** plsym = NULL;
683 struct symt* lsym = NULL;
684 DWORD pc = pcs->ctx_frame.InstructionOffset;
686 while ((plsym = vector_iter_up(v, plsym)))
693 struct symt_block* block = (struct symt_block*)lsym;
694 if (pc < block->address || block->address + block->size <= pc)
696 if (!symt_enum_locals_helper(pcs, module, preg, cb, user,
697 sym_info, &block->vchildren))
702 if (regexec(preg, symt_get_name(lsym), 0, NULL, 0) == 0)
704 symt_fill_sym_info(module, lsym, sym_info);
705 if (!cb(sym_info, sym_info->Size, user))
710 case SymTagFuncDebugStart:
711 case SymTagFuncDebugEnd:
714 FIXME("Unknown type: %u (%x)\n", lsym->tag, lsym->tag);
721 static BOOL symt_enum_locals(struct process* pcs, const char* mask,
722 PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
725 struct module* module;
727 char buffer[sizeof(SYMBOL_INFO) + 256];
728 SYMBOL_INFO* sym_info = (SYMBOL_INFO*)buffer;
729 DWORD pc = pcs->ctx_frame.InstructionOffset;
732 sym_info->SizeOfStruct = sizeof(*sym_info);
733 sym_info->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO);
735 module = module_find_by_addr(pcs, pc, DMT_UNKNOWN);
736 if (!(module = module_get_debug(pcs, module))) return FALSE;
737 if ((idx = symt_find_nearest(module, pc)) == -1) return FALSE;
739 sym = module->addr_sorttab[idx];
740 if (sym->symt.tag == SymTagFunction)
745 compile_regex(mask ? mask : "*", -1, &preg);
746 ret = symt_enum_locals_helper(pcs, module, &preg, EnumSymbolsCallback,
747 UserContext, sym_info,
748 &((struct symt_function*)sym)->vchildren);
753 symt_fill_sym_info(module, &sym->symt, sym_info);
754 return EnumSymbolsCallback(sym_info, sym_info->Size, UserContext);
757 /******************************************************************
758 * SymEnumSymbols (DBGHELP.@)
760 * cases BaseOfDll = 0
761 * !foo fails always (despite what MSDN states)
762 * RE1!RE2 looks up all modules matching RE1, and in all these modules, lookup RE2
763 * no ! in Mask, lookup in local Context
764 * cases BaseOfDll != 0
765 * !foo fails always (despite what MSDN states)
766 * RE1!RE2 gets RE2 from BaseOfDll (whatever RE1 is)
768 BOOL WINAPI SymEnumSymbols(HANDLE hProcess, ULONG64 BaseOfDll, PCSTR Mask,
769 PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
772 struct process* pcs = process_find_by_handle(hProcess);
773 struct module* module;
774 struct module* dbg_module;
776 regex_t mod_regex, sym_regex;
778 TRACE("(%p %s %s %p %p)\n",
779 hProcess, wine_dbgstr_longlong(BaseOfDll), debugstr_a(Mask),
780 EnumSymbolsCallback, UserContext);
782 if (!pcs) return FALSE;
786 /* do local variables ? */
787 if (!Mask || !(bang = strchr(Mask, '!')))
788 return symt_enum_locals(pcs, Mask, EnumSymbolsCallback, UserContext);
790 if (bang == Mask) return FALSE;
792 compile_regex(Mask, bang - Mask, &mod_regex);
793 compile_regex(bang + 1, -1, &sym_regex);
795 for (module = pcs->lmodules; module; module = module->next)
797 if (module->type == DMT_PE && (dbg_module = module_get_debug(pcs, module)))
799 if (regexec(&mod_regex, module->module.ModuleName, 0, NULL, 0) == 0 &&
800 symt_enum_module(dbg_module, &sym_regex,
801 EnumSymbolsCallback, UserContext))
805 /* not found in PE modules, retry on the ELF ones
807 if (!module && (dbghelp_options & SYMOPT_WINE_WITH_ELF_MODULES))
809 for (module = pcs->lmodules; module; module = module->next)
811 if (module->type == DMT_ELF &&
812 !module_get_containee(pcs, module) &&
813 (dbg_module = module_get_debug(pcs, module)))
815 if (regexec(&mod_regex, module->module.ModuleName, 0, NULL, 0) == 0 &&
816 symt_enum_module(dbg_module, &sym_regex, EnumSymbolsCallback, UserContext))
825 module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
826 if (!(module = module_get_debug(pcs, module)))
829 /* we always ignore module name from Mask when BaseOfDll is defined */
830 if (Mask && (bang = strchr(Mask, '!')))
832 if (bang == Mask) return FALSE;
836 compile_regex(Mask ? Mask : "*", -1, &sym_regex);
837 symt_enum_module(module, &sym_regex, EnumSymbolsCallback, UserContext);
846 PSYM_ENUMSYMBOLS_CALLBACK cb;
849 static BOOL CALLBACK sym_enumerate_cb(PSYMBOL_INFO syminfo, ULONG size, void* ctx)
851 struct sym_enumerate* se = (struct sym_enumerate*)ctx;
852 return (se->cb)(syminfo->Name, syminfo->Address, syminfo->Size, se->ctx);
855 /***********************************************************************
856 * SymEnumerateSymbols (DBGHELP.@)
858 BOOL WINAPI SymEnumerateSymbols(HANDLE hProcess, DWORD BaseOfDll,
859 PSYM_ENUMSYMBOLS_CALLBACK EnumSymbolsCallback,
862 struct sym_enumerate se;
864 se.ctx = UserContext;
865 se.cb = EnumSymbolsCallback;
867 return SymEnumSymbols(hProcess, BaseOfDll, NULL, sym_enumerate_cb, &se);
870 /******************************************************************
871 * SymFromAddr (DBGHELP.@)
874 BOOL WINAPI SymFromAddr(HANDLE hProcess, DWORD64 Address,
875 DWORD64* Displacement, PSYMBOL_INFO Symbol)
877 struct process* pcs = process_find_by_handle(hProcess);
878 struct module* module;
882 if (!pcs) return FALSE;
883 module = module_find_by_addr(pcs, Address, DMT_UNKNOWN);
884 if (!(module = module_get_debug(pcs, module))) return FALSE;
885 if ((idx = symt_find_nearest(module, Address)) == -1) return FALSE;
887 sym = module->addr_sorttab[idx];
889 symt_fill_sym_info(module, &sym->symt, Symbol);
890 if (Displacement) *Displacement = Address - Symbol->Address;
894 /******************************************************************
895 * SymGetSymFromAddr (DBGHELP.@)
898 BOOL WINAPI SymGetSymFromAddr(HANDLE hProcess, DWORD Address,
899 PDWORD Displacement, PIMAGEHLP_SYMBOL Symbol)
901 char buffer[sizeof(SYMBOL_INFO) + 256];
902 SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
904 DWORD64 Displacement64;
906 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
907 si->SizeOfStruct = sizeof(*si);
908 si->MaxNameLen = 256;
909 if (!SymFromAddr(hProcess, Address, &Displacement64, si))
913 *Displacement = Displacement64;
914 Symbol->Address = si->Address;
915 Symbol->Size = si->Size;
916 Symbol->Flags = si->Flags;
917 len = min(Symbol->MaxNameLength, si->MaxNameLen);
918 strncpy(Symbol->Name, si->Name, len);
919 Symbol->Name[len - 1] = '\0';
923 /******************************************************************
924 * SymFromName (DBGHELP.@)
927 BOOL WINAPI SymFromName(HANDLE hProcess, LPSTR Name, PSYMBOL_INFO Symbol)
929 struct process* pcs = process_find_by_handle(hProcess);
930 struct module* module;
931 struct hash_table_iter hti;
933 struct symt_ht* sym = NULL;
936 TRACE("(%p, %s, %p)\n", hProcess, Name, Symbol);
937 if (!pcs) return FALSE;
938 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
939 name = strchr(Name, '!');
943 assert(name - Name < sizeof(tmp));
944 memcpy(tmp, Name, name - Name);
945 tmp[name - Name] = '\0';
946 module = module_find_by_name(pcs, tmp, DMT_UNKNOWN);
947 if (!module) return FALSE;
948 Name = (char*)(name + 1);
950 else module = pcs->lmodules;
952 /* FIXME: Name could be made out of a regular expression */
953 for (; module; module = (name) ? NULL : module->next)
955 if (module->module.SymType == SymNone) continue;
956 if (module->module.SymType == SymDeferred)
958 struct module* xmodule = module_get_debug(pcs, module);
959 if (!xmodule || xmodule != module) continue;
961 hash_table_iter_init(&module->ht_symbols, &hti, Name);
962 while ((ptr = hash_table_iter_up(&hti)))
964 sym = GET_ENTRY(ptr, struct symt_ht, hash_elt);
966 if (!strcmp(sym->hash_elt.name, Name))
968 symt_fill_sym_info(module, &sym->symt, Symbol);
976 /***********************************************************************
977 * SymGetSymFromName (DBGHELP.@)
979 BOOL WINAPI SymGetSymFromName(HANDLE hProcess, LPSTR Name, PIMAGEHLP_SYMBOL Symbol)
981 char buffer[sizeof(SYMBOL_INFO) + 256];
982 SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
985 if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
986 si->SizeOfStruct = sizeof(*si);
987 si->MaxNameLen = 256;
988 if (!SymFromName(hProcess, Name, si)) return FALSE;
990 Symbol->Address = si->Address;
991 Symbol->Size = si->Size;
992 Symbol->Flags = si->Flags;
993 len = min(Symbol->MaxNameLength, si->MaxNameLen);
994 strncpy(Symbol->Name, si->Name, len);
995 Symbol->Name[len - 1] = '\0';
999 /******************************************************************
1000 * sym_fill_func_line_info
1002 * fills information about a file
1004 BOOL symt_fill_func_line_info(struct module* module, struct symt_function* func,
1005 DWORD addr, IMAGEHLP_LINE* line)
1007 struct line_info* dli = NULL;
1010 assert(func->symt.tag == SymTagFunction);
1012 while ((dli = vector_iter_down(&func->vlines, dli)))
1014 if (!dli->is_source_file)
1016 if (found || dli->u.pc_offset > addr) continue;
1017 line->LineNumber = dli->line_number;
1018 line->Address = dli->u.pc_offset;
1025 line->FileName = (char*)source_get(module, dli->u.source_file);
1032 /***********************************************************************
1033 * SymGetSymNext (DBGHELP.@)
1035 BOOL WINAPI SymGetSymNext(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol)
1038 * get module from Symbol.Address
1039 * get index in module.addr_sorttab of Symbol.Address
1041 * if out of module bounds, move to next module in process address space
1043 FIXME("(%p, %p): stub\n", hProcess, Symbol);
1044 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1048 /***********************************************************************
1049 * SymGetSymPrev (DBGHELP.@)
1052 BOOL WINAPI SymGetSymPrev(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol)
1054 FIXME("(%p, %p): stub\n", hProcess, Symbol);
1055 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1059 /******************************************************************
1060 * SymGetLineFromAddr (DBGHELP.@)
1063 BOOL WINAPI SymGetLineFromAddr(HANDLE hProcess, DWORD dwAddr,
1064 PDWORD pdwDisplacement, PIMAGEHLP_LINE Line)
1066 struct process* pcs = process_find_by_handle(hProcess);
1067 struct module* module;
1070 TRACE("%p %08lx %p %p\n", hProcess, dwAddr, pdwDisplacement, Line);
1072 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1074 if (!pcs) return FALSE;
1075 module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
1076 if (!(module = module_get_debug(pcs, module))) return FALSE;
1077 if ((idx = symt_find_nearest(module, dwAddr)) == -1) return FALSE;
1079 if (module->addr_sorttab[idx]->symt.tag != SymTagFunction) return FALSE;
1080 if (!symt_fill_func_line_info(module,
1081 (struct symt_function*)module->addr_sorttab[idx],
1082 dwAddr, Line)) return FALSE;
1083 if (pdwDisplacement) *pdwDisplacement = dwAddr - Line->Address;
1087 /******************************************************************
1088 * SymGetLinePrev (DBGHELP.@)
1091 BOOL WINAPI SymGetLinePrev(HANDLE hProcess, PIMAGEHLP_LINE Line)
1093 struct process* pcs = process_find_by_handle(hProcess);
1094 struct module* module;
1095 struct line_info* li;
1096 BOOL in_search = FALSE;
1098 TRACE("(%p %p)\n", hProcess, Line);
1100 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1102 if (!pcs) return FALSE;
1103 module = module_find_by_addr(pcs, Line->Address, DMT_UNKNOWN);
1104 if (!(module = module_get_debug(pcs, module))) return FALSE;
1106 if (Line->Key == 0) return FALSE;
1107 li = (struct line_info*)Line->Key;
1108 /* things are a bit complicated because when we encounter a DLIT_SOURCEFILE
1109 * element we have to go back until we find the prev one to get the real
1110 * source file name for the DLIT_OFFSET element just before
1111 * the first DLIT_SOURCEFILE
1113 while (!li->is_first)
1116 if (!li->is_source_file)
1118 Line->LineNumber = li->line_number;
1119 Line->Address = li->u.pc_offset;
1121 if (!in_search) return TRUE;
1127 Line->FileName = (char*)source_get(module, li->u.source_file);
1133 SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
1137 BOOL symt_get_func_line_next(struct module* module, PIMAGEHLP_LINE line)
1139 struct line_info* li;
1141 if (line->Key == 0) return FALSE;
1142 li = (struct line_info*)line->Key;
1143 while (!li->is_last)
1146 if (!li->is_source_file)
1148 line->LineNumber = li->line_number;
1149 line->Address = li->u.pc_offset;
1153 line->FileName = (char*)source_get(module, li->u.source_file);
1158 /******************************************************************
1159 * SymGetLineNext (DBGHELP.@)
1162 BOOL WINAPI SymGetLineNext(HANDLE hProcess, PIMAGEHLP_LINE Line)
1164 struct process* pcs = process_find_by_handle(hProcess);
1165 struct module* module;
1167 TRACE("(%p %p)\n", hProcess, Line);
1169 if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
1170 if (!pcs) return FALSE;
1171 module = module_find_by_addr(pcs, Line->Address, DMT_UNKNOWN);
1172 if (!(module = module_get_debug(pcs, module))) return FALSE;
1174 if (symt_get_func_line_next(module, Line)) return TRUE;
1175 SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
1179 /***********************************************************************
1180 * SymFunctionTableAccess (DBGHELP.@)
1182 PVOID WINAPI SymFunctionTableAccess(HANDLE hProcess, DWORD AddrBase)
1184 FIXME("(%p, 0x%08lx): stub\n", hProcess, AddrBase);
1185 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1189 /***********************************************************************
1190 * SymUnDName (DBGHELP.@)
1192 BOOL WINAPI SymUnDName(PIMAGEHLP_SYMBOL sym, LPSTR UnDecName, DWORD UnDecNameLength)
1194 TRACE("(%p %s %lu): stub\n", sym, UnDecName, UnDecNameLength);
1195 return UnDecorateSymbolName(sym->Name, UnDecName, UnDecNameLength,
1196 UNDNAME_COMPLETE) != 0;
1199 static void* und_alloc(size_t len) { return HeapAlloc(GetProcessHeap(), 0, len); }
1200 static void und_free (void* ptr) { HeapFree(GetProcessHeap(), 0, ptr); }
1202 /***********************************************************************
1203 * UnDecorateSymbolName (DBGHELP.@)
1205 DWORD WINAPI UnDecorateSymbolName(LPCSTR DecoratedName, LPSTR UnDecoratedName,
1206 DWORD UndecoratedLength, DWORD Flags)
1208 /* undocumented from msvcrt */
1209 static char* (*p_undname)(char*, const char*, int, void* (*)(size_t), void (*)(void*), unsigned short);
1210 static WCHAR szMsvcrt[] = {'m','s','v','c','r','t','.','d','l','l',0};
1212 TRACE("(%s, %p, %ld, 0x%08lx): stub\n",
1213 debugstr_a(DecoratedName), UnDecoratedName, UndecoratedLength, Flags);
1217 if (!hMsvcrt) hMsvcrt = LoadLibraryW(szMsvcrt);
1218 if (hMsvcrt) p_undname = (void*)GetProcAddress(hMsvcrt, "__unDName");
1219 if (!p_undname) return 0;
1222 if (!UnDecoratedName) return 0;
1223 if (!p_undname(UnDecoratedName, DecoratedName, UndecoratedLength,
1224 und_alloc, und_free, Flags))
1226 return strlen(UnDecoratedName);