LLDB mainline
WindowsMiniDump.cpp
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1//===-- WindowsMiniDump.cpp -----------------------------------------------===//
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"
14#include "llvm/Support/ConvertUTF.h"
15
16#ifdef _WIN32
18#include <dbghelp.h>
19#endif
20
21namespace lldb_private {
22
23bool SaveMiniDump(const lldb::ProcessSP &process_sp,
24 const lldb_private::FileSpec &outfile,
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.GetPath();
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
static llvm::raw_ostream & error(Stream &strm)
A file utility class.
Definition: FileSpec.h:56
size_t GetPath(char *path, size_t max_path_length, bool denormalize=true) const
Extract the full path to the file.
Definition: FileSpec.cpp:367
An error handling class.
Definition: Status.h:44
A class that represents a running process on the host machine.
Definition: SBAttachInfo.h:14
bool SaveMiniDump(const lldb::ProcessSP &process_sp, const lldb_private::FileSpec &outfile, lldb_private::Status &error)
@ eErrorTypeWin32
Standard Win32 error codes.
std::shared_ptr< lldb_private::Process > ProcessSP
Definition: lldb-forward.h:381