| 1 | //===-- WindowsMiniDump.cpp -----------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // This function is separated out from ObjectFilePECOFF.cpp to name avoid name |
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| 10 | // collisions with WinAPI preprocessor macros. |
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| 11 | |
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| 12 | #include "WindowsMiniDump.h" |
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| 13 | #include "lldb/Utility/FileSpec.h" |
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| 14 | #include "llvm/Support/ConvertUTF.h" |
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| 15 | |
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| 16 | #ifdef _WIN32 |
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| 17 | #include "lldb/Host/windows/windows.h" |
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| 18 | #include <dbghelp.h> |
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| 19 | #endif |
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| 20 | |
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| 21 | namespace lldb_private { |
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| 22 | |
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| 23 | bool SaveMiniDump(const lldb::ProcessSP &process_sp, |
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| 24 | SaveCoreOptions &core_options, lldb_private::Status &error) { |
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| 25 | if (!process_sp) |
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| 26 | return false; |
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| 27 | #ifdef _WIN32 |
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| 28 | std::optional<FileSpec> outfileSpec = core_options.GetOutputFile(); |
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| 29 | const auto &outfile = outfileSpec.value(); |
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| 30 | HANDLE process_handle = ::OpenProcess( |
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| 31 | PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, process_sp->GetID()); |
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| 32 | const std::string file_name = outfile.GetPath(); |
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| 33 | std::wstring wide_name; |
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| 34 | wide_name.resize(file_name.size() + 1); |
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| 35 | char *result_ptr = reinterpret_cast<char *>(&wide_name[0]); |
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| 36 | const llvm::UTF8 *error_ptr = nullptr; |
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| 37 | if (!llvm::ConvertUTF8toWide(sizeof(wchar_t), file_name, result_ptr, |
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| 38 | error_ptr)) { |
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| 39 | error = Status::FromErrorString("cannot convert file name" ); |
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| 40 | return false; |
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| 41 | } |
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| 42 | HANDLE file_handle = |
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| 43 | ::CreateFileW(wide_name.c_str(), GENERIC_WRITE, FILE_SHARE_READ, NULL, |
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| 44 | CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); |
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| 45 | const auto result = |
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| 46 | ::MiniDumpWriteDump(process_handle, process_sp->GetID(), file_handle, |
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| 47 | MiniDumpWithFullMemoryInfo, NULL, NULL, NULL); |
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| 48 | ::CloseHandle(file_handle); |
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| 49 | ::CloseHandle(process_handle); |
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| 50 | if (!result) { |
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| 51 | error = Status(::GetLastError(), lldb::eErrorTypeWin32); |
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| 52 | return false; |
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| 53 | } |
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| 54 | return true; |
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| 55 | #endif |
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| 56 | return false; |
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| 57 | } |
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| 58 | |
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| 59 | } // namesapce lldb_private |
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| 60 | |
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