| 373 | } |
| 374 | |
| 375 | remote_addr_t |
| 376 | AbstractProcessManager::scanMemoryAreaForInterpreterState(const VirtualMap& map) const |
| 377 | { |
| 378 | void* result = nullptr; |
| 379 | size_t size = map.Size(); |
| 380 | std::vector<char> memory_buffer(size); |
| 381 | remote_addr_t base = map.Start(); |
| 382 | copyMemoryFromProcess(base, size, memory_buffer.data()); |
| 383 | |
| 384 | void* upper_bound = (void*)(memory_buffer.data() + size); |
| 385 | |
| 386 | LOG(INFO) << std::showbase << std::hex |
| 387 | << "Searching for PyInterpreterState in memory area spanning from " << map.Start() |
| 388 | << " to " << map.End(); |
| 389 | |
| 390 | for (void** raddr = (void**)memory_buffer.data(); (void*)raddr < upper_bound; raddr++) { |
| 391 | if (!isValidInterpreterState((remote_addr_t)*raddr)) { |
| 392 | continue; |
| 393 | } |
| 394 | LOG(DEBUG) << std::hex << std::showbase |
| 395 | << "Possible interpreter state referenced by memory segment " |
| 396 | << reinterpret_cast<void*>((char*)raddr - (char*)memory_buffer.data() + (char*)base) |
| 397 | << " (offset " << reinterpret_cast<void*>((char*)raddr - (char*)memory_buffer.data()) |
| 398 | << " ) -> addr " << static_cast<void*>((char*)raddr); |
| 399 | result = *raddr; |
| 400 | break; |
| 401 | } |
| 402 | if (result == nullptr) { |
| 403 | LOG(INFO) << std::showbase << std::hex |
| 404 | << "Could not find a valid PyInterpreterState in memory area spanning from " |
| 405 | << map.Start() << " to " << map.End(); |
| 406 | } |
| 407 | return (remote_addr_t)result; |
| 408 | } |
| 409 | |
| 410 | remote_addr_t |
| 411 | AbstractProcessManager::scanMemoryAreaForDebugOffsets(const VirtualMap& map) const |