| 185 | } |
| 186 | |
| 187 | void *MemoryUtils::ResolveSymbol(void *handle, const char *symbol) |
| 188 | { |
| 189 | #ifdef PLATFORM_WINDOWS |
| 190 | |
| 191 | return GetProcAddress((HMODULE)handle, symbol); |
| 192 | |
| 193 | #elif defined PLATFORM_LINUX |
| 194 | |
| 195 | struct link_map *dlmap; |
| 196 | struct stat dlstat; |
| 197 | int dlfile; |
| 198 | uintptr_t map_base; |
| 199 | Elf32_Ehdr *file_hdr; |
| 200 | Elf32_Shdr *sections, *shstrtab_hdr, *symtab_hdr, *strtab_hdr; |
| 201 | Elf32_Sym *symtab; |
| 202 | const char *shstrtab, *strtab; |
| 203 | uint16_t section_count; |
| 204 | uint32_t symbol_count; |
| 205 | LibSymbolTable *libtable; |
| 206 | SymbolTable *table; |
| 207 | AddrTable *table2; |
| 208 | Symbol *symbol_entry; |
| 209 | |
| 210 | dlmap = (struct link_map *)handle; |
| 211 | symtab_hdr = NULL; |
| 212 | strtab_hdr = NULL; |
| 213 | table = NULL; |
| 214 | table2 = NULL; |
| 215 | |
| 216 | /* See if we already have a symbol table for this library */ |
| 217 | for (size_t i = 0; i < m_SymTables.size(); i++) |
| 218 | { |
| 219 | libtable = m_SymTables[i]; |
| 220 | if (libtable->lib_base == dlmap->l_addr) |
| 221 | { |
| 222 | table = &libtable->table; |
| 223 | table2 = &libtable->table2; |
| 224 | break; |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | /* If we don't have a symbol table for this library, then create one */ |
| 229 | if (table == NULL) |
| 230 | { |
| 231 | libtable = new LibSymbolTable(); |
| 232 | libtable->table.Initialize(); |
| 233 | libtable->table2.Initialize(); |
| 234 | libtable->lib_base = dlmap->l_addr; |
| 235 | libtable->last_pos = 0; |
| 236 | table = &libtable->table; |
| 237 | table2 = &libtable->table2; |
| 238 | m_SymTables.push_back(libtable); |
| 239 | } |
| 240 | |
| 241 | /* See if the symbol is already cached in our table */ |
| 242 | symbol_entry = table->FindSymbol(symbol, strlen(symbol)); |
| 243 | if (symbol_entry != NULL) |
| 244 | { |
no test coverage detected