| /* |
| * File symbol.c - management of symbols (lexical tree) |
| * |
| * Copyright (C) 1993, Eric Youngdale. |
| * 2004, Eric Pouech |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| |
| #define NONAMELESSUNION |
| #define NONAMELESSSTRUCT |
| #include "config.h" |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <limits.h> |
| #include <sys/types.h> |
| #include <assert.h> |
| #include <regex.h> |
| #include "wine/debug.h" |
| |
| #include "dbghelp_private.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(dbghelp); |
| WINE_DECLARE_DEBUG_CHANNEL(dbghelp_symt); |
| |
| struct line_info |
| { |
| unsigned long is_first : 1, |
| is_last : 1, |
| is_source_file : 1, |
| line_number; |
| union |
| { |
| unsigned long pc_offset; /* if is_source_file isn't set */ |
| unsigned source_file; /* if is_source_file is set */ |
| } u; |
| }; |
| |
| inline static int cmp_addr(DWORD a1, DWORD a2) |
| { |
| if (a1 > a2) return 1; |
| if (a1 < a2) return -1; |
| return 0; |
| } |
| |
| inline static int cmp_sorttab_addr(const struct module* module, int idx, DWORD addr) |
| { |
| DWORD ref; |
| |
| symt_get_info(&module->addr_sorttab[idx]->symt, TI_GET_ADDRESS, &ref); |
| return cmp_addr(ref, addr); |
| } |
| |
| int symt_cmp_addr(const void* p1, const void* p2) |
| { |
| struct symt* sym1 = *(struct symt**)p1; |
| struct symt* sym2 = *(struct symt**)p2; |
| DWORD a1, a2; |
| |
| symt_get_info(sym1, TI_GET_ADDRESS, &a1); |
| symt_get_info(sym2, TI_GET_ADDRESS, &a2); |
| return cmp_addr(a1, a2); |
| } |
| |
| static inline void re_append(char** mask, unsigned* len, char ch) |
| { |
| *mask = HeapReAlloc(GetProcessHeap(), 0, *mask, ++(*len)); |
| (*mask)[*len - 2] = ch; |
| } |
| |
| /* transforms a dbghelp's regular expression into a POSIX one |
| * Here are the valid dbghelp reg ex characters: |
| * * 0 or more characters |
| * ? a single character |
| * [] list |
| * # 0 or more of preceding char |
| * + 1 or more of preceding char |
| * escapes \ on #, ?, [, ], *, +. don't work on - |
| */ |
| static void compile_regex(const char* str, regex_t* re) |
| { |
| char* mask = HeapAlloc(GetProcessHeap(), 0, 1); |
| unsigned len = 1; |
| BOOL in_escape = FALSE; |
| |
| re_append(&mask, &len, '^'); |
| while (*str) |
| { |
| /* FIXME: this shouldn't be valid on '-' */ |
| if (in_escape) |
| { |
| re_append(&mask, &len, '\\'); |
| re_append(&mask, &len, *str); |
| in_escape = FALSE; |
| } |
| else switch (*str) |
| { |
| case '\\': in_escape = TRUE; break; |
| case '*': re_append(&mask, &len, '.'); re_append(&mask, &len, '*'); break; |
| case '?': re_append(&mask, &len, '.'); break; |
| case '#': re_append(&mask, &len, '*'); break; |
| /* escape some valid characters in dbghelp reg exp:s */ |
| case '$': re_append(&mask, &len, '\\'); re_append(&mask, &len, '$'); break; |
| /* +, [, ], - are the same in dbghelp & POSIX, use them as any other char */ |
| default: re_append(&mask, &len, *str); break; |
| } |
| str++; |
| } |
| if (in_escape) |
| { |
| re_append(&mask, &len, '\\'); |
| re_append(&mask, &len, '\\'); |
| } |
| re_append(&mask, &len, '$'); |
| mask[len - 1] = '\0'; |
| regcomp(re, mask, REG_NOSUB); |
| HeapFree(GetProcessHeap(), 0, mask); |
| } |
| |
| struct symt_compiland* symt_new_compiland(struct module* module, const char* name) |
| { |
| struct symt_compiland* sym; |
| |
| TRACE_(dbghelp_symt)("Adding compiland symbol %s:%s\n", |
| module->module.ModuleName, name); |
| if ((sym = pool_alloc(&module->pool, sizeof(*sym)))) |
| { |
| sym->symt.tag = SymTagCompiland; |
| sym->source = source_new(module, name); |
| vector_init(&sym->vchildren, sizeof(struct symt*), 32); |
| } |
| return sym; |
| } |
| |
| struct symt_public* symt_new_public(struct module* module, |
| struct symt_compiland* compiland, |
| const char* name, |
| unsigned long address, unsigned size, |
| BOOL in_code, BOOL is_func) |
| { |
| struct symt_public* sym; |
| struct symt** p; |
| |
| TRACE_(dbghelp_symt)("Adding public symbol %s:%s @%lx\n", |
| module->module.ModuleName, name, address); |
| if ((sym = pool_alloc(&module->pool, sizeof(*sym)))) |
| { |
| sym->symt.tag = SymTagPublicSymbol; |
| sym->hash_elt.name = pool_strdup(&module->pool, name); |
| hash_table_add(&module->ht_symbols, &sym->hash_elt); |
| module->sortlist_valid = FALSE; |
| sym->container = compiland ? &compiland->symt : NULL; |
| sym->address = address; |
| sym->size = size; |
| sym->in_code = in_code; |
| sym->is_function = is_func; |
| if (compiland) |
| { |
| p = vector_add(&compiland->vchildren, &module->pool); |
| *p = &sym->symt; |
| } |
| } |
| return sym; |
| } |
| |
| struct symt_data* symt_new_global_variable(struct module* module, |
| struct symt_compiland* compiland, |
| const char* name, unsigned is_static, |
| unsigned long addr, unsigned long size, |
| struct symt* type) |
| { |
| struct symt_data* sym; |
| struct symt** p; |
| |
| TRACE_(dbghelp_symt)("Adding global symbol %s:%s @%lx %p\n", |
| module->module.ModuleName, name, addr, type); |
| if ((sym = pool_alloc(&module->pool, sizeof(*sym)))) |
| { |
| sym->symt.tag = SymTagData; |
| sym->hash_elt.name = pool_strdup(&module->pool, name); |
| hash_table_add(&module->ht_symbols, &sym->hash_elt); |
| module->sortlist_valid = FALSE; |
| sym->kind = is_static ? DataIsFileStatic : DataIsGlobal; |
| sym->container = compiland ? &compiland->symt : NULL; |
| sym->type = type; |
| sym->u.address = addr; |
| if (compiland) |
| { |
| p = vector_add(&compiland->vchildren, &module->pool); |
| *p = &sym->symt; |
| } |
| } |
| return sym; |
| } |
| |
| struct symt_function* symt_new_function(struct module* module, |
| struct symt_compiland* compiland, |
| const char* name, |
| unsigned long addr, unsigned long size, |
| struct symt* sig_type) |
| { |
| struct symt_function* sym; |
| struct symt** p; |
| |
| TRACE_(dbghelp_symt)("Adding global function %s:%s @%lx-%lx\n", |
| module->module.ModuleName, name, addr, addr + size - 1); |
| |
| assert(!sig_type || sig_type->tag == SymTagFunctionType); |
| if ((sym = pool_alloc(&module->pool, sizeof(*sym)))) |
| { |
| sym->symt.tag = SymTagFunction; |
| sym->hash_elt.name = pool_strdup(&module->pool, name); |
| hash_table_add(&module->ht_symbols, &sym->hash_elt); |
| module->sortlist_valid = FALSE; |
| sym->container = &compiland->symt; |
| sym->addr = addr; |
| sym->type = sig_type; |
| sym->size = size; |
| sym->addr = addr; |
| vector_init(&sym->vlines, sizeof(struct line_info), 64); |
| vector_init(&sym->vchildren, sizeof(struct symt*), 8); |
| if (compiland) |
| { |
| p = vector_add(&compiland->vchildren, &module->pool); |
| *p = &sym->symt; |
| } |
| } |
| return sym; |
| } |
| |
| void symt_add_func_line(struct module* module, struct symt_function* func, |
| unsigned source_idx, int line_num, unsigned long offset) |
| { |
| struct line_info* dli; |
| BOOL last_matches = FALSE; |
| |
| if (func == NULL || !(dbghelp_options & SYMOPT_LOAD_LINES)) return; |
| |
| TRACE_(dbghelp_symt)("(%p)%s:%lx %s:%u\n", |
| func, func->hash_elt.name, offset, |
| source_get(module, source_idx), line_num); |
| |
| assert(func->symt.tag == SymTagFunction); |
| |
| dli = NULL; |
| while ((dli = vector_iter_down(&func->vlines, dli))) |
| { |
| if (dli->is_source_file) |
| { |
| last_matches = (source_idx == dli->u.source_file); |
| break; |
| } |
| } |
| |
| if (!last_matches) |
| { |
| /* we shouldn't have line changes on first line of function */ |
| dli = vector_add(&func->vlines, &module->pool); |
| dli->is_source_file = 1; |
| dli->is_first = dli->is_last = 0; |
| dli->line_number = 0; |
| dli->u.source_file = source_idx; |
| } |
| dli = vector_add(&func->vlines, &module->pool); |
| dli->is_source_file = 0; |
| dli->is_first = dli->is_last = 0; |
| dli->line_number = line_num; |
| dli->u.pc_offset = func->addr + offset; |
| } |
| |
| struct symt_data* symt_add_func_local(struct module* module, |
| struct symt_function* func, |
| int regno, int offset, |
| struct symt_block* block, |
| struct symt* type, const char* name) |
| { |
| struct symt_data* locsym; |
| struct symt** p; |
| |
| assert(func); |
| assert(func->symt.tag == SymTagFunction); |
| |
| TRACE_(dbghelp_symt)("Adding local symbol (%s:%s): %s %p\n", |
| module->module.ModuleName, func->hash_elt.name, |
| name, type); |
| locsym = pool_alloc(&module->pool, sizeof(*locsym)); |
| locsym->symt.tag = SymTagData; |
| locsym->hash_elt.name = pool_strdup(&module->pool, name); |
| locsym->hash_elt.next = NULL; |
| locsym->kind = (offset < 0) ? DataIsParam : DataIsLocal; |
| locsym->container = &block->symt; |
| locsym->type = type; |
| if (regno) |
| { |
| locsym->u.s.reg_id = regno; |
| locsym->u.s.offset = 0; |
| locsym->u.s.length = 0; |
| } |
| else |
| { |
| locsym->u.s.reg_id = 0; |
| locsym->u.s.offset = offset * 8; |
| locsym->u.s.length = 0; |
| } |
| if (block) |
| p = vector_add(&block->vchildren, &module->pool); |
| else |
| p = vector_add(&func->vchildren, &module->pool); |
| *p = &locsym->symt; |
| return locsym; |
| } |
| |
| struct symt_block* symt_open_func_block(struct module* module, |
| struct symt_function* func, |
| struct symt_block* parent_block, |
| unsigned pc, unsigned len) |
| { |
| struct symt_block* block; |
| struct symt** p; |
| |
| assert(func); |
| assert(func->symt.tag == SymTagFunction); |
| |
| assert(!parent_block || parent_block->symt.tag == SymTagBlock); |
| block = pool_alloc(&module->pool, sizeof(*block)); |
| block->symt.tag = SymTagBlock; |
| block->address = func->addr + pc; |
| block->size = len; |
| block->container = parent_block ? &parent_block->symt : &func->symt; |
| vector_init(&block->vchildren, sizeof(struct symt*), 4); |
| if (parent_block) |
| p = vector_add(&parent_block->vchildren, &module->pool); |
| else |
| p = vector_add(&func->vchildren, &module->pool); |
| *p = &block->symt; |
| |
| return block; |
| } |
| |
| struct symt_block* symt_close_func_block(struct module* module, |
| struct symt_function* func, |
| struct symt_block* block, unsigned pc) |
| { |
| assert(func->symt.tag == SymTagFunction); |
| |
| if (pc) block->size = func->addr + pc - block->address; |
| return (block->container->tag == SymTagBlock) ? |
| GET_ENTRY(block->container, struct symt_block, symt) : NULL; |
| } |
| |
| struct symt_function_point* symt_add_function_point(struct module* module, |
| struct symt_function* func, |
| enum SymTagEnum point, |
| unsigned offset, const char* name) |
| { |
| struct symt_function_point* sym; |
| struct symt** p; |
| |
| if ((sym = pool_alloc(&module->pool, sizeof(*sym)))) |
| { |
| sym->symt.tag = point; |
| sym->parent = func; |
| sym->offset = offset; |
| sym->name = name ? pool_strdup(&module->pool, name) : NULL; |
| p = vector_add(&func->vchildren, &module->pool); |
| *p = &sym->symt; |
| } |
| return sym; |
| } |
| |
| BOOL symt_normalize_function(struct module* module, struct symt_function* func) |
| { |
| unsigned len; |
| struct line_info* dli; |
| |
| assert(func); |
| /* We aren't adding any more locals or line numbers to this function. |
| * Free any spare memory that we might have allocated. |
| */ |
| assert(func->symt.tag == SymTagFunction); |
| |
| /* EPP vector_pool_normalize(&func->vlines, &module->pool); */ |
| /* EPP vector_pool_normalize(&func->vchildren, &module->pool); */ |
| |
| len = vector_length(&func->vlines); |
| if (len--) |
| { |
| dli = vector_at(&func->vlines, 0); dli->is_first = 1; |
| dli = vector_at(&func->vlines, len); dli->is_last = 1; |
| } |
| return TRUE; |
| } |
| |
| /* expect sym_info->MaxNameLen to be set before being called */ |
| static void symt_fill_sym_info(const struct module* module, |
| const struct symt* sym, SYMBOL_INFO* sym_info) |
| { |
| const char* name; |
| |
| sym_info->TypeIndex = (DWORD)sym; |
| sym_info->info = 0; /* TBD */ |
| symt_get_info(sym, TI_GET_LENGTH, &sym_info->Size); |
| sym_info->ModBase = module->module.BaseOfImage; |
| sym_info->Flags = 0; |
| switch (sym->tag) |
| { |
| case SymTagData: |
| { |
| struct symt_data* data = (struct symt_data*)sym; |
| switch (data->kind) |
| { |
| case DataIsLocal: |
| case DataIsParam: |
| if (data->u.s.reg_id) |
| { |
| sym_info->Flags |= SYMFLAG_REGISTER; |
| sym_info->Register = data->u.s.reg_id; |
| sym_info->Address = 0; |
| } |
| else |
| { |
| if (data->u.s.offset < 0) |
| sym_info->Flags |= SYMFLAG_LOCAL | SYMFLAG_FRAMEREL; |
| else |
| sym_info->Flags |= SYMFLAG_PARAMETER | SYMFLAG_FRAMEREL; |
| sym_info->Register = CV_REG_EBP; /* FIXME: needed ? */ |
| sym_info->Address = data->u.s.offset; |
| } |
| break; |
| case DataIsGlobal: |
| case DataIsFileStatic: |
| symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address); |
| sym_info->Register = 0; |
| break; |
| case DataIsConstant: |
| sym_info->Flags |= SYMFLAG_VALUEPRESENT; |
| switch (data->u.value.n1.n2.vt) |
| { |
| case VT_I4: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.lVal; break; |
| case VT_I2: sym_info->Value = (ULONG)(long)data->u.value.n1.n2.n3.iVal; break; |
| case VT_I1: sym_info->Value = (ULONG)(long)data->u.value.n1.n2.n3.cVal; break; |
| case VT_UI4: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.ulVal; break; |
| case VT_UI2: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.uiVal; break; |
| case VT_UI1: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.bVal; break; |
| default: |
| FIXME("Unsupported variant type (%u)\n", data->u.value.n1.n2.vt); |
| } |
| break; |
| default: |
| FIXME("Unhandled kind (%u) in sym data\n", data->kind); |
| } |
| } |
| break; |
| case SymTagPublicSymbol: |
| sym_info->Flags |= SYMFLAG_EXPORT; |
| symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address); |
| break; |
| case SymTagFunction: |
| sym_info->Flags |= SYMFLAG_FUNCTION; |
| symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address); |
| break; |
| default: |
| symt_get_info(sym, TI_GET_ADDRESS, &sym_info->Address); |
| sym_info->Register = 0; |
| break; |
| } |
| sym_info->Scope = 0; /* FIXME */ |
| sym_info->Tag = sym->tag; |
| name = symt_get_name(sym); |
| sym_info->NameLen = strlen(name) + 1; |
| if (sym_info->MaxNameLen) |
| { |
| strncpy(sym_info->Name, name, min(sym_info->NameLen, sym_info->MaxNameLen)); |
| sym_info->Name[sym_info->MaxNameLen - 1] = '\0'; |
| } |
| TRACE_(dbghelp_symt)("%p => %s %lu %lx\n", |
| sym, sym_info->Name, sym_info->Size, sym_info->Address); |
| } |
| |
| static BOOL symt_enum_module(struct module* module, const char* mask, |
| PSYM_ENUMERATESYMBOLS_CALLBACK cb, PVOID user) |
| { |
| char buffer[sizeof(SYMBOL_INFO) + 256]; |
| SYMBOL_INFO* sym_info = (SYMBOL_INFO*)buffer; |
| void* ptr; |
| struct symt_ht* sym = NULL; |
| struct hash_table_iter hti; |
| regex_t preg; |
| |
| assert(mask); |
| assert(mask[0] != '!'); |
| compile_regex(mask, &preg); |
| hash_table_iter_init(&module->ht_symbols, &hti, NULL); |
| while ((ptr = hash_table_iter_up(&hti))) |
| { |
| sym = GET_ENTRY(ptr, struct symt_ht, hash_elt); |
| /* FIXME: this is not true, we should only drop the public |
| * symbol iff no other one is found |
| */ |
| if ((dbghelp_options & SYMOPT_AUTO_PUBLICS) && |
| sym->symt.tag == SymTagPublicSymbol) continue; |
| |
| if (sym->hash_elt.name && |
| regexec(&preg, sym->hash_elt.name, 0, NULL, 0) == 0) |
| { |
| sym_info->SizeOfStruct = sizeof(SYMBOL_INFO); |
| sym_info->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO); |
| symt_fill_sym_info(module, &sym->symt, sym_info); |
| if (!cb(sym_info, sym_info->Size, user)) break; |
| } |
| } |
| regfree(&preg); |
| return sym ? FALSE : TRUE; |
| } |
| |
| /*********************************************************************** |
| * resort_symbols |
| * |
| * Rebuild sorted list of symbols for a module. |
| */ |
| static BOOL resort_symbols(struct module* module) |
| { |
| int nsym = 0; |
| void* ptr; |
| struct symt_ht* sym; |
| struct hash_table_iter hti; |
| |
| hash_table_iter_init(&module->ht_symbols, &hti, NULL); |
| while ((ptr = hash_table_iter_up(&hti))) |
| nsym++; |
| |
| if (!(module->module.NumSyms = nsym)) return FALSE; |
| |
| if (module->addr_sorttab) |
| module->addr_sorttab = HeapReAlloc(GetProcessHeap(), 0, |
| module->addr_sorttab, |
| nsym * sizeof(struct symt_ht*)); |
| else |
| module->addr_sorttab = HeapAlloc(GetProcessHeap(), 0, |
| nsym * sizeof(struct symt_ht*)); |
| if (!module->addr_sorttab) return FALSE; |
| |
| nsym = 0; |
| hash_table_iter_init(&module->ht_symbols, &hti, NULL); |
| while ((ptr = hash_table_iter_up(&hti))) |
| { |
| sym = GET_ENTRY(ptr, struct symt_ht, hash_elt); |
| assert(sym); |
| module->addr_sorttab[nsym++] = sym; |
| } |
| |
| qsort(module->addr_sorttab, nsym, sizeof(struct symt_ht*), symt_cmp_addr); |
| return module->sortlist_valid = TRUE; |
| } |
| |
| /* assume addr is in module */ |
| static int symt_find_nearest(struct module* module, DWORD addr) |
| { |
| int mid, high, low; |
| |
| if (!module->sortlist_valid && !resort_symbols(module)) return -1; |
| |
| /* |
| * Binary search to find closest symbol. |
| */ |
| low = 0; |
| high = module->module.NumSyms; |
| |
| while (high > low + 1) |
| { |
| mid = (high + low) / 2; |
| if (cmp_sorttab_addr(module, mid, addr) < 0) |
| low = mid; |
| else |
| high = mid; |
| } |
| if (low != high && high != module->module.NumSyms && |
| cmp_sorttab_addr(module, high, addr) <= 0) |
| low = high; |
| |
| /* If found symbol is a public symbol, check if there are any other entries that |
| * might also have the same address, but would get better information |
| */ |
| if (module->addr_sorttab[low]->symt.tag == SymTagPublicSymbol) |
| { |
| DWORD ref; |
| |
| symt_get_info(&module->addr_sorttab[low]->symt, TI_GET_ADDRESS, &ref); |
| if (low > 0 && |
| module->addr_sorttab[low - 1]->symt.tag != SymTagPublicSymbol && |
| !cmp_sorttab_addr(module, low - 1, ref)) |
| low--; |
| else if (low < module->module.NumSyms - 1 && |
| module->addr_sorttab[low + 1]->symt.tag != SymTagPublicSymbol && |
| !cmp_sorttab_addr(module, low + 1, ref)) |
| low++; |
| } |
| |
| return low; |
| } |
| |
| static BOOL symt_enum_locals_helper(struct process* pcs, struct module* module, |
| regex_t* preg, PSYM_ENUMERATESYMBOLS_CALLBACK cb, |
| PVOID user, SYMBOL_INFO* sym_info, |
| struct vector* v) |
| { |
| struct symt** plsym = NULL; |
| struct symt* lsym = NULL; |
| DWORD pc = pcs->ctx_frame.InstructionOffset; |
| |
| while ((plsym = vector_iter_up(v, plsym))) |
| { |
| lsym = *plsym; |
| switch (lsym->tag) |
| { |
| case SymTagBlock: |
| { |
| struct symt_block* block = (struct symt_block*)lsym; |
| if (pc < block->address || block->address + block->size <= pc) |
| continue; |
| if (!symt_enum_locals_helper(pcs, module, preg, cb, user, |
| sym_info, &block->vchildren)) |
| return FALSE; |
| } |
| break; |
| case SymTagData: |
| if (regexec(preg, symt_get_name(lsym), 0, NULL, 0) == 0) |
| { |
| symt_fill_sym_info(module, lsym, sym_info); |
| if (!cb(sym_info, sym_info->Size, user)) |
| return FALSE; |
| } |
| break; |
| case SymTagLabel: |
| case SymTagFuncDebugStart: |
| case SymTagFuncDebugEnd: |
| break; |
| default: |
| FIXME("Unknown type: %u (%x)\n", lsym->tag, lsym->tag); |
| assert(0); |
| } |
| } |
| return TRUE; |
| } |
| |
| static BOOL symt_enum_locals(struct process* pcs, const char* mask, |
| PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback, |
| PVOID UserContext) |
| { |
| struct module* module; |
| struct symt_ht* sym; |
| char buffer[sizeof(SYMBOL_INFO) + 256]; |
| SYMBOL_INFO* sym_info = (SYMBOL_INFO*)buffer; |
| DWORD pc = pcs->ctx_frame.InstructionOffset; |
| int idx; |
| |
| sym_info->SizeOfStruct = sizeof(*sym_info); |
| sym_info->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO); |
| |
| module = module_find_by_addr(pcs, pc, DMT_UNKNOWN); |
| if (!(module = module_get_debug(pcs, module))) return FALSE; |
| if ((idx = symt_find_nearest(module, pc)) == -1) return FALSE; |
| |
| sym = module->addr_sorttab[idx]; |
| if (sym->symt.tag == SymTagFunction) |
| { |
| BOOL ret; |
| regex_t preg; |
| |
| compile_regex(mask ? mask : "*", &preg); |
| ret = symt_enum_locals_helper(pcs, module, &preg, EnumSymbolsCallback, |
| UserContext, sym_info, |
| &((struct symt_function*)sym)->vchildren); |
| regfree(&preg); |
| return ret; |
| |
| } |
| symt_fill_sym_info(module, &sym->symt, sym_info); |
| return EnumSymbolsCallback(sym_info, sym_info->Size, UserContext); |
| } |
| |
| /****************************************************************** |
| * SymEnumSymbols (DBGHELP.@) |
| * |
| */ |
| BOOL WINAPI SymEnumSymbols(HANDLE hProcess, ULONG BaseOfDll, PCSTR Mask, |
| PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback, |
| PVOID UserContext) |
| { |
| struct process* pcs = process_find_by_handle(hProcess); |
| struct module* module; |
| |
| TRACE("(%p %08lx %s %p %p)\n", |
| hProcess, BaseOfDll, debugstr_a(Mask), EnumSymbolsCallback, UserContext); |
| |
| if (!pcs) return FALSE; |
| |
| if (BaseOfDll == 0) |
| { |
| if (Mask && Mask[0] == '!') |
| { |
| if (!Mask[1]) |
| { |
| /* FIXME: is this really what's intended ??? */ |
| for (module = pcs->lmodules; module; module = module->next) |
| { |
| if (module->module.SymType != SymNone && |
| !symt_enum_module(module, "*", EnumSymbolsCallback, UserContext)) |
| break; |
| } |
| return TRUE; |
| } |
| module = module_find_by_name(pcs, &Mask[1], DMT_UNKNOWN); |
| Mask++; |
| } |
| else return symt_enum_locals(pcs, Mask, EnumSymbolsCallback, UserContext); |
| } |
| else |
| { |
| module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN); |
| if (Mask && Mask[0] == '!') |
| { |
| if (!Mask[1] || |
| strcmp(&Mask[1], module->module.ModuleName)) |
| { |
| FIXME("Strange call mode\n"); |
| return FALSE; |
| } |
| Mask = "*"; |
| } |
| else if (!Mask) Mask = "*"; |
| } |
| if ((module = module_get_debug(pcs, module))) |
| symt_enum_module(module, Mask, EnumSymbolsCallback, UserContext); |
| return TRUE; |
| } |
| |
| struct sym_enumerate |
| { |
| void* ctx; |
| PSYM_ENUMSYMBOLS_CALLBACK cb; |
| }; |
| |
| static BOOL CALLBACK sym_enumerate_cb(PSYMBOL_INFO syminfo, ULONG size, void* ctx) |
| { |
| struct sym_enumerate* se = (struct sym_enumerate*)ctx; |
| return (se->cb)(syminfo->Name, syminfo->Address, syminfo->Size, se->ctx); |
| } |
| |
| /*********************************************************************** |
| * SymEnumerateSymbols (DBGHELP.@) |
| */ |
| BOOL WINAPI SymEnumerateSymbols(HANDLE hProcess, DWORD BaseOfDll, |
| PSYM_ENUMSYMBOLS_CALLBACK EnumSymbolsCallback, |
| PVOID UserContext) |
| { |
| struct sym_enumerate se; |
| |
| se.ctx = UserContext; |
| se.cb = EnumSymbolsCallback; |
| |
| return SymEnumSymbols(hProcess, BaseOfDll, NULL, sym_enumerate_cb, &se); |
| } |
| |
| /****************************************************************** |
| * SymFromAddr (DBGHELP.@) |
| * |
| */ |
| BOOL WINAPI SymFromAddr(HANDLE hProcess, DWORD Address, |
| DWORD* Displacement, PSYMBOL_INFO Symbol) |
| { |
| struct process* pcs = process_find_by_handle(hProcess); |
| struct module* module; |
| struct symt_ht* sym; |
| int idx; |
| |
| if (!pcs) return FALSE; |
| module = module_find_by_addr(pcs, Address, DMT_UNKNOWN); |
| if (!(module = module_get_debug(pcs, module))) return FALSE; |
| if ((idx = symt_find_nearest(module, Address)) == -1) return FALSE; |
| |
| sym = module->addr_sorttab[idx]; |
| |
| symt_fill_sym_info(module, &sym->symt, Symbol); |
| if (Displacement) *Displacement = Address - Symbol->Address; |
| return TRUE; |
| } |
| |
| /****************************************************************** |
| * SymGetSymFromAddr (DBGHELP.@) |
| * |
| */ |
| BOOL WINAPI SymGetSymFromAddr(HANDLE hProcess, DWORD Address, |
| PDWORD Displacement, PIMAGEHLP_SYMBOL Symbol) |
| { |
| char buffer[sizeof(SYMBOL_INFO) + 256]; |
| SYMBOL_INFO*si = (SYMBOL_INFO*)buffer; |
| size_t len; |
| |
| if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE; |
| si->SizeOfStruct = sizeof(*si); |
| si->MaxNameLen = 256; |
| if (!SymFromAddr(hProcess, Address, Displacement, si)) |
| return FALSE; |
| |
| Symbol->Address = si->Address; |
| Symbol->Size = si->Size; |
| Symbol->Flags = si->Flags; |
| len = min(Symbol->MaxNameLength, si->MaxNameLen); |
| strncpy(Symbol->Name, si->Name, len); |
| Symbol->Name[len - 1] = '\0'; |
| return TRUE; |
| } |
| |
| /****************************************************************** |
| * SymFromName (DBGHELP.@) |
| * |
| */ |
| BOOL WINAPI SymFromName(HANDLE hProcess, LPSTR Name, PSYMBOL_INFO Symbol) |
| { |
| struct process* pcs = process_find_by_handle(hProcess); |
| struct module* module; |
| struct hash_table_iter hti; |
| void* ptr; |
| struct symt_ht* sym = NULL; |
| |
| TRACE("(%p, %s, %p)\n", hProcess, Name, Symbol); |
| if (!pcs) return FALSE; |
| if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE; |
| for (module = pcs->lmodules; module; module = module->next) |
| { |
| if (module->module.SymType != SymNone) |
| { |
| if (module->module.SymType == SymDeferred) |
| { |
| struct module* xmodule = module_get_debug(pcs, module); |
| if (!xmodule) continue; |
| module = xmodule; |
| } |
| hash_table_iter_init(&module->ht_symbols, &hti, Name); |
| while ((ptr = hash_table_iter_up(&hti))) |
| { |
| sym = GET_ENTRY(ptr, struct symt_ht, hash_elt); |
| |
| if (!strcmp(sym->hash_elt.name, Name)) |
| { |
| symt_fill_sym_info(module, &sym->symt, Symbol); |
| return TRUE; |
| } |
| } |
| } |
| } |
| return FALSE; |
| } |
| |
| /*********************************************************************** |
| * SymGetSymFromName (DBGHELP.@) |
| */ |
| BOOL WINAPI SymGetSymFromName(HANDLE hProcess, LPSTR Name, PIMAGEHLP_SYMBOL Symbol) |
| { |
| char buffer[sizeof(SYMBOL_INFO) + 256]; |
| SYMBOL_INFO*si = (SYMBOL_INFO*)buffer; |
| size_t len; |
| |
| if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE; |
| si->SizeOfStruct = sizeof(*si); |
| si->MaxNameLen = 256; |
| if (!SymFromName(hProcess, Name, si)) return FALSE; |
| |
| Symbol->Address = si->Address; |
| Symbol->Size = si->Size; |
| Symbol->Flags = si->Flags; |
| len = min(Symbol->MaxNameLength, si->MaxNameLen); |
| strncpy(Symbol->Name, si->Name, len); |
| Symbol->Name[len - 1] = '\0'; |
| return TRUE; |
| } |
| |
| /****************************************************************** |
| * sym_fill_func_line_info |
| * |
| * fills information about a file |
| */ |
| BOOL symt_fill_func_line_info(struct module* module, struct symt_function* func, |
| DWORD addr, IMAGEHLP_LINE* line) |
| { |
| struct line_info* dli = NULL; |
| BOOL found = FALSE; |
| |
| assert(func->symt.tag == SymTagFunction); |
| |
| while ((dli = vector_iter_down(&func->vlines, dli))) |
| { |
| if (!dli->is_source_file) |
| { |
| if (found || dli->u.pc_offset > addr) continue; |
| line->LineNumber = dli->line_number; |
| line->Address = dli->u.pc_offset; |
| line->Key = dli; |
| found = TRUE; |
| continue; |
| } |
| if (found) |
| { |
| line->FileName = (char*)source_get(module, dli->u.source_file); |
| return TRUE; |
| } |
| } |
| return FALSE; |
| } |
| |
| /*********************************************************************** |
| * SymGetSymNext (DBGHELP.@) |
| */ |
| BOOL WINAPI SymGetSymNext(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol) |
| { |
| /* algo: |
| * get module from Symbol.Address |
| * get index in module.addr_sorttab of Symbol.Address |
| * increment index |
| * if out of module bounds, move to next module in process address space |
| */ |
| FIXME("(%p, %p): stub\n", hProcess, Symbol); |
| SetLastError(ERROR_CALL_NOT_IMPLEMENTED); |
| return FALSE; |
| } |
| |
| /*********************************************************************** |
| * SymGetSymPrev (DBGHELP.@) |
| */ |
| |
| BOOL WINAPI SymGetSymPrev(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol) |
| { |
| FIXME("(%p, %p): stub\n", hProcess, Symbol); |
| SetLastError(ERROR_CALL_NOT_IMPLEMENTED); |
| return FALSE; |
| } |
| |
| /****************************************************************** |
| * SymGetLineFromAddr (DBGHELP.@) |
| * |
| */ |
| BOOL WINAPI SymGetLineFromAddr(HANDLE hProcess, DWORD dwAddr, |
| PDWORD pdwDisplacement, PIMAGEHLP_LINE Line) |
| { |
| struct process* pcs = process_find_by_handle(hProcess); |
| struct module* module; |
| int idx; |
| |
| TRACE("%p %08lx %p %p\n", hProcess, dwAddr, pdwDisplacement, Line); |
| |
| if (Line->SizeOfStruct < sizeof(*Line)) return FALSE; |
| |
| if (!pcs) return FALSE; |
| module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN); |
| if (!(module = module_get_debug(pcs, module))) return FALSE; |
| if ((idx = symt_find_nearest(module, dwAddr)) == -1) return FALSE; |
| |
| if (module->addr_sorttab[idx]->symt.tag != SymTagFunction) return FALSE; |
| if (!symt_fill_func_line_info(module, |
| (struct symt_function*)module->addr_sorttab[idx], |
| dwAddr, Line)) return FALSE; |
| if (pdwDisplacement) *pdwDisplacement = dwAddr - Line->Address; |
| return TRUE; |
| } |
| |
| /****************************************************************** |
| * SymGetLinePrev (DBGHELP.@) |
| * |
| */ |
| BOOL WINAPI SymGetLinePrev(HANDLE hProcess, PIMAGEHLP_LINE Line) |
| { |
| struct process* pcs = process_find_by_handle(hProcess); |
| struct module* module; |
| struct line_info* li; |
| BOOL in_search = FALSE; |
| |
| TRACE("(%p %p)\n", hProcess, Line); |
| |
| if (Line->SizeOfStruct < sizeof(*Line)) return FALSE; |
| |
| if (!pcs) return FALSE; |
| module = module_find_by_addr(pcs, Line->Address, DMT_UNKNOWN); |
| if (!(module = module_get_debug(pcs, module))) return FALSE; |
| |
| if (Line->Key == 0) return FALSE; |
| li = (struct line_info*)Line->Key; |
| /* things are a bit complicated because when we encounter a DLIT_SOURCEFILE |
| * element we have to go back until we find the prev one to get the real |
| * source file name for the DLIT_OFFSET element just before |
| * the first DLIT_SOURCEFILE |
| */ |
| while (!li->is_first) |
| { |
| li--; |
| if (!li->is_source_file) |
| { |
| Line->LineNumber = li->line_number; |
| Line->Address = li->u.pc_offset; |
| Line->Key = li; |
| if (!in_search) return TRUE; |
| } |
| else |
| { |
| if (in_search) |
| { |
| Line->FileName = (char*)source_get(module, li->u.source_file); |
| return TRUE; |
| } |
| in_search = TRUE; |
| } |
| } |
| SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */ |
| return FALSE; |
| } |
| |
| BOOL symt_get_func_line_next(struct module* module, PIMAGEHLP_LINE line) |
| { |
| struct line_info* li; |
| |
| if (line->Key == 0) return FALSE; |
| li = (struct line_info*)line->Key; |
| while (!li->is_last) |
| { |
| li++; |
| if (!li->is_source_file) |
| { |
| line->LineNumber = li->line_number; |
| line->Address = li->u.pc_offset; |
| line->Key = li; |
| return TRUE; |
| } |
| line->FileName = (char*)source_get(module, li->u.source_file); |
| } |
| return FALSE; |
| } |
| |
| /****************************************************************** |
| * SymGetLineNext (DBGHELP.@) |
| * |
| */ |
| BOOL WINAPI SymGetLineNext(HANDLE hProcess, PIMAGEHLP_LINE Line) |
| { |
| struct process* pcs = process_find_by_handle(hProcess); |
| struct module* module; |
| |
| TRACE("(%p %p)\n", hProcess, Line); |
| |
| if (Line->SizeOfStruct < sizeof(*Line)) return FALSE; |
| if (!pcs) return FALSE; |
| module = module_find_by_addr(pcs, Line->Address, DMT_UNKNOWN); |
| if (!(module = module_get_debug(pcs, module))) return FALSE; |
| |
| if (symt_get_func_line_next(module, Line)) return TRUE; |
| SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */ |
| return FALSE; |
| } |
| |
| /*********************************************************************** |
| * SymFunctionTableAccess (DBGHELP.@) |
| */ |
| PVOID WINAPI SymFunctionTableAccess(HANDLE hProcess, DWORD AddrBase) |
| { |
| FIXME("(%p, 0x%08lx): stub\n", hProcess, AddrBase); |
| SetLastError(ERROR_CALL_NOT_IMPLEMENTED); |
| return FALSE; |
| } |
| |
| /*********************************************************************** |
| * SymUnDName (DBGHELP.@) |
| */ |
| BOOL WINAPI SymUnDName(PIMAGEHLP_SYMBOL sym, LPSTR UnDecName, DWORD UnDecNameLength) |
| { |
| FIXME("(%p %s %lu): stub\n", sym, UnDecName, UnDecNameLength); |
| return UnDecorateSymbolName(sym->Name, UnDecName, UnDecNameLength, |
| UNDNAME_COMPLETE); |
| } |
| |
| /*********************************************************************** |
| * UnDecorateSymbolName (DBGHELP.@) |
| */ |
| DWORD WINAPI UnDecorateSymbolName(LPCSTR DecoratedName, LPSTR UnDecoratedName, |
| DWORD UndecoratedLength, DWORD Flags) |
| { |
| FIXME("(%s, %p, %ld, 0x%08lx): stub\n", |
| debugstr_a(DecoratedName), UnDecoratedName, UndecoratedLength, Flags); |
| |
| strncpy(UnDecoratedName, DecoratedName, UndecoratedLength); |
| UnDecoratedName[UndecoratedLength - 1] = '\0'; |
| return TRUE; |
| } |
