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o3de/Code/CryEngine/CrySystem/WindowsErrorReporting.cpp

138 lines
4.5 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
// Description : Support for Windows Error Reporting (WER)
#include "CrySystem_precompiled.h"
#ifdef WIN32
#include "System.h"
#include <windows.h>
#include <tchar.h>
#include "errorrep.h"
#include "ISystem.h"
#include <DbgHelp.h>
static WCHAR szPath[MAX_PATH + 1];
static WCHAR szFR[] = L"\\System32\\FaultRep.dll";
WCHAR* GetFullPathToFaultrepDll(void)
{
UINT rc = GetSystemWindowsDirectoryW(szPath, ARRAYSIZE(szPath));
if (rc == 0 || rc > ARRAYSIZE(szPath) - ARRAYSIZE(szFR) - 1)
{
return NULL;
}
wcscat_s(szPath, szFR);
return szPath;
}
typedef BOOL (WINAPI * MINIDUMPWRITEDUMP)(HANDLE hProcess, DWORD dwPid, HANDLE hFile, MINIDUMP_TYPE DumpType,
CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam
);
//////////////////////////////////////////////////////////////////////////
LONG WINAPI CryEngineExceptionFilterMiniDump(struct _EXCEPTION_POINTERS* pExceptionPointers, const char* szDumpPath, MINIDUMP_TYPE DumpType)
{
// note: In debug mode, this dll is loaded on startup anyway, so this should not incur an additional load unless it crashes
// very early during startup.
fflush(nullptr); // according to MSDN on fflush, calling fflush on null flushes all buffers.
HMODULE hndDBGHelpDLL = LoadLibraryA("DBGHELP.DLL");
if (!hndDBGHelpDLL)
{
CryLogAlways("Failed to record DMP file: Could not open DBGHELP.DLL");
return EXCEPTION_CONTINUE_SEARCH;
}
MINIDUMPWRITEDUMP dumpFnPtr = (MINIDUMPWRITEDUMP)::GetProcAddress(hndDBGHelpDLL, "MiniDumpWriteDump");
if (!dumpFnPtr)
{
CryLogAlways("Failed to record DMP file: Unable to find MiniDumpWriteDump in DBGHELP.DLL");
return EXCEPTION_CONTINUE_SEARCH;
}
HANDLE hFile = ::CreateFile(szDumpPath, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
CryLogAlways("Failed to record DMP file: could not open file '%s' for writing - error code: %d", szDumpPath, GetLastError());
return EXCEPTION_CONTINUE_SEARCH;
}
_MINIDUMP_EXCEPTION_INFORMATION ExInfo;
ExInfo.ThreadId = ::GetCurrentThreadId();
ExInfo.ExceptionPointers = pExceptionPointers;
ExInfo.ClientPointers = NULL;
BOOL bOK = dumpFnPtr(GetCurrentProcess(), GetCurrentProcessId(), hFile, DumpType, &ExInfo, NULL, NULL);
::CloseHandle(hFile);
if (bOK)
{
CryLogAlways("Successfully recorded DMP file: '%s'", szDumpPath);
return EXCEPTION_EXECUTE_HANDLER; // SUCCESS! you can execute your handlers now
}
else
{
CryLogAlways("Failed to record DMP file: '%s' - error code: %d", szDumpPath, GetLastError());
}
return EXCEPTION_CONTINUE_SEARCH;
}
//////////////////////////////////////////////////////////////////////////
LONG WINAPI CryEngineExceptionFilterWER(struct _EXCEPTION_POINTERS* pExceptionPointers)
{
if (g_cvars.sys_WER > 1)
{
char szScratch [_MAX_PATH];
const char* szDumpPath = gEnv->pCryPak->AdjustFileName("@log@/CE2Dump.dmp", szScratch, AZ_ARRAY_SIZE(szScratch), 0);
MINIDUMP_TYPE mdumpValue = (MINIDUMP_TYPE)(MiniDumpNormal);
if (g_cvars.sys_WER > 1)
{
mdumpValue = (MINIDUMP_TYPE)(g_cvars.sys_WER - 2);
}
return CryEngineExceptionFilterMiniDump(pExceptionPointers, szDumpPath, mdumpValue);
}
LONG lRet = EXCEPTION_CONTINUE_SEARCH;
WCHAR* psz = GetFullPathToFaultrepDll();
if (psz)
{
HMODULE hFaultRepDll = LoadLibraryW(psz);
if (hFaultRepDll)
{
pfn_REPORTFAULT pfn = (pfn_REPORTFAULT)GetProcAddress(hFaultRepDll, "ReportFault");
if (pfn)
{
pfn(pExceptionPointers, 0);
lRet = EXCEPTION_EXECUTE_HANDLER;
}
FreeLibrary(hFaultRepDll);
}
}
return lRet;
}
#endif // WIN32