1 //===-- WindowsMiniDump.cpp -------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // This function is separated out from ObjectFilePECOFF.cpp to name avoid name 10 // collisions with WinAPI preprocessor macros. 11 12 #include "WindowsMiniDump.h" 13 #include "lldb/Utility/FileSpec.h" 14 #include "llvm/Support/ConvertUTF.h" 15 16 #ifdef _WIN32 17 #include "lldb/Host/windows/windows.h" 18 #include <dbghelp.h> 19 #endif 20 21 namespace lldb_private { 22 23 bool SaveMiniDump(const lldb::ProcessSP &process_sp, 24 const lldb_private::FileSpec &outfile, 25 lldb_private::Status &error) { 26 if (!process_sp) 27 return false; 28 #ifdef _WIN32 29 HANDLE process_handle = ::OpenProcess( 30 PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, process_sp->GetID()); 31 const std::string file_name = outfile.GetCString(); 32 std::wstring wide_name; 33 wide_name.resize(file_name.size() + 1); 34 char *result_ptr = reinterpret_cast<char *>(&wide_name[0]); 35 const llvm::UTF8 *error_ptr = nullptr; 36 if (!llvm::ConvertUTF8toWide(sizeof(wchar_t), file_name, result_ptr, 37 error_ptr)) { 38 error.SetErrorString("cannot convert file name"); 39 return false; 40 } 41 HANDLE file_handle = 42 ::CreateFileW(wide_name.c_str(), GENERIC_WRITE, FILE_SHARE_READ, NULL, 43 CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); 44 const auto result = 45 ::MiniDumpWriteDump(process_handle, process_sp->GetID(), file_handle, 46 MiniDumpWithFullMemoryInfo, NULL, NULL, NULL); 47 ::CloseHandle(file_handle); 48 ::CloseHandle(process_handle); 49 if (!result) { 50 error.SetError(::GetLastError(), lldb::eErrorTypeWin32); 51 return false; 52 } 53 return true; 54 #endif 55 return false; 56 } 57 58 } // namesapce lldb_private 59