| 112 | } |
| 113 | |
| 114 | void *MemoryUtils::ResolveSymbol(void *handle, const char *symbol) |
| 115 | { |
| 116 | #ifdef PLATFORM_WINDOWS |
| 117 | |
| 118 | return GetProcAddress((HMODULE)handle, symbol); |
| 119 | |
| 120 | #elif defined PLATFORM_LINUX |
| 121 | |
| 122 | struct link_map *dlmap; |
| 123 | struct stat dlstat; |
| 124 | int dlfile; |
| 125 | uintptr_t map_base; |
| 126 | Elf32_Ehdr *file_hdr; |
| 127 | Elf32_Shdr *sections, *shstrtab_hdr, *symtab_hdr, *strtab_hdr; |
| 128 | Elf32_Sym *symtab; |
| 129 | const char *shstrtab, *strtab; |
| 130 | uint16_t section_count; |
| 131 | uint32_t symbol_count; |
| 132 | LibSymbolTable *libtable; |
| 133 | SymbolTable *table; |
| 134 | AddrTable *table2; |
| 135 | Symbol *symbol_entry; |
| 136 | |
| 137 | dlmap = (struct link_map *)handle; |
| 138 | symtab_hdr = NULL; |
| 139 | strtab_hdr = NULL; |
| 140 | table = NULL; |
| 141 | table2 = NULL; |
| 142 | |
| 143 | /* See if we already have a symbol table for this library */ |
| 144 | for (size_t i = 0; i < m_SymTables.size(); i++) |
| 145 | { |
| 146 | libtable = m_SymTables[i]; |
| 147 | if (libtable->lib_base == dlmap->l_addr) |
| 148 | { |
| 149 | table = &libtable->table; |
| 150 | table2 = &libtable->table2; |
| 151 | break; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | /* If we don't have a symbol table for this library, then create one */ |
| 156 | if (table == NULL) |
| 157 | { |
| 158 | libtable = new LibSymbolTable(); |
| 159 | libtable->table.Initialize(); |
| 160 | libtable->table2.Initialize(); |
| 161 | libtable->lib_base = dlmap->l_addr; |
| 162 | libtable->last_pos = 0; |
| 163 | table = &libtable->table; |
| 164 | table2 = &libtable->table2; |
| 165 | m_SymTables.push_back(libtable); |
| 166 | } |
| 167 | |
| 168 | /* See if the symbol is already cached in our table */ |
| 169 | symbol_entry = table->FindSymbol(symbol, strlen(symbol)); |
| 170 | if (symbol_entry != NULL) |
| 171 | { |
no test coverage detected