mirror of
https://github.com/chromium/crashpad.git
synced 2025-03-10 06:36:02 +00:00
ecf3b37863
crashy_program's log looks something like this now:
0:000> .ecxr
eax=00000007 ebx=7f24e000 ecx=7f24d000 edx=00000000 esi=00497ec8 edi=00d39ca0
eip=00cf5d12 esp=001ffcd8 ebp=001ffcdc iopl=0 nv up ei ng nz ac po cy
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010293
crashy_program+0x5d12:
00cf5d12 ?? ???
0:000> !teb
TEB at 7f24d000
ExceptionList: 001ff548
StackBase: 00200000
StackLimit: 001fd000
SubSystemTib: 00000000
FiberData: 00001e00
ArbitraryUserPointer: 00000000
Self: 7f24d000
EnvironmentPointer: 00000000
ClientId: 00003658 . 00004630
RpcHandle: 00000000
Tls Storage: 7f24d02c
PEB Address: 7f24e000
LastErrorValue: 2
LastStatusValue: c000000f
Count Owned Locks: 0
HardErrorMode: 0
0:000> !gle
LastErrorValue: (Win32) 0x2 (2) - The system cannot find the file specified.
LastStatusValue: (NTSTATUS) 0xc000000f - {File Not Found} The file %hs does not exist.
R=mark@chromium.org
BUG=crashpad:46
Review URL: https://codereview.chromium.org/1364803004 .
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
// Copyright 2015 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <windows.h>
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#include <winternl.h>
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// ntstatus.h conflicts with windows.h so define this locally.
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#ifndef STATUS_NO_SUCH_FILE
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#define STATUS_NO_SUCH_FILE static_cast<NTSTATUS>(0xC000000F)
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#endif
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#include "base/logging.h"
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#include "client/crashpad_client.h"
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#include "tools/tool_support.h"
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namespace crashpad {
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namespace {
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ULONG RtlNtStatusToDosError(NTSTATUS status) {
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static decltype(::RtlNtStatusToDosError)* rtl_nt_status_to_dos_error =
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reinterpret_cast<decltype(::RtlNtStatusToDosError)*>(
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GetProcAddress(LoadLibrary(L"ntdll.dll"), "RtlNtStatusToDosError"));
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DCHECK(rtl_nt_status_to_dos_error);
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return rtl_nt_status_to_dos_error(status);
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}
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void SomeCrashyFunction() {
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// SetLastError and NTSTATUS so that we have something to view in !gle in
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// windbg. RtlNtStatusToDosError() stores STATUS_NO_SUCH_FILE into the
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// LastStatusError of the TEB as a side-effect, and we'll be setting
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// ERROR_FILE_NOT_FOUND for GetLastError().
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SetLastError(RtlNtStatusToDosError(STATUS_NO_SUCH_FILE));
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volatile int* foo = reinterpret_cast<volatile int*>(7);
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*foo = 42;
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}
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int CrashyMain(int argc, char* argv[]) {
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if (argc != 2) {
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fprintf(stderr, "Usage: %s <server_pipe_name>\n", argv[0]);
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return 1;
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}
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CrashpadClient client;
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if (!client.SetHandler(argv[1])) {
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LOG(ERROR) << "SetHandler";
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return 1;
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}
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if (!client.UseHandler()) {
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LOG(ERROR) << "UseHandler";
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return 1;
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}
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SomeCrashyFunction();
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return 0;
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}
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} // namespace
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} // namespace crashpad
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int wmain(int argc, wchar_t* argv[]) {
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return crashpad::ToolSupport::Wmain(argc, argv, crashpad::CrashyMain);
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}
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