Coverage Report

Created: 2022-01-22 13:19

/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Plugins/ObjectFile/PECOFF/WindowsMiniDump.cpp
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//===-- 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 lldb_private::FileSpec &outfile,
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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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  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.GetCString();
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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