e79e6015e9
This fixes the following:
```
[6603/7618] Building CXX object
tools\lldb\source\Plugins\ObjectFile\PECOFF\CMakeFiles\lldbPluginObjectFilePECOFF.dir\WindowsMiniDump.cpp.obj
C:\src\git\llvm-project\lldb\source\Plugins\ObjectFile\PECOFF\WindowsMiniDump.cpp(29,25):
warning: object backing the pointer will be destroyed at the end of the
full-expression [-Wdangling-gsl]
29 | const auto &outfile = core_options.GetOutputFile().value();
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
```
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
//===-- WindowsMiniDump.cpp -----------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// This function is separated out from ObjectFilePECOFF.cpp to name avoid name
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// collisions with WinAPI preprocessor macros.
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#include "WindowsMiniDump.h"
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#include "lldb/Utility/FileSpec.h"
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#include "llvm/Support/ConvertUTF.h"
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#ifdef _WIN32
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#include "lldb/Host/windows/windows.h"
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#include <dbghelp.h>
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#endif
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namespace lldb_private {
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bool SaveMiniDump(const lldb::ProcessSP &process_sp,
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const SaveCoreOptions &core_options,
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lldb_private::Status &error) {
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if (!process_sp)
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return false;
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#ifdef _WIN32
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std::optional<FileSpec> outfileSpec = core_options.GetOutputFile();
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const auto &outfile = outfileSpec.value();
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HANDLE process_handle = ::OpenProcess(
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PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, process_sp->GetID());
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const std::string file_name = outfile.GetPath();
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std::wstring wide_name;
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wide_name.resize(file_name.size() + 1);
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char *result_ptr = reinterpret_cast<char *>(&wide_name[0]);
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const llvm::UTF8 *error_ptr = nullptr;
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if (!llvm::ConvertUTF8toWide(sizeof(wchar_t), file_name, result_ptr,
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error_ptr)) {
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error.SetErrorString("cannot convert file name");
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return false;
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}
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HANDLE file_handle =
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::CreateFileW(wide_name.c_str(), GENERIC_WRITE, FILE_SHARE_READ, NULL,
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CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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const auto result =
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::MiniDumpWriteDump(process_handle, process_sp->GetID(), file_handle,
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MiniDumpWithFullMemoryInfo, NULL, NULL, NULL);
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::CloseHandle(file_handle);
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::CloseHandle(process_handle);
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if (!result) {
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error.SetError(::GetLastError(), lldb::eErrorTypeWin32);
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return false;
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}
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return true;
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#endif
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return false;
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}
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} // namesapce lldb_private
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