76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
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/*
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* WriteMemoryDump.h
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* -----------------
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* Purpose: Code for writing memory dumps to a file.
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#pragma once
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#include "openmpt/all/BuildSettings.hpp"
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#if MPT_COMPILER_MSVC
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#pragma warning(push)
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#pragma warning(disable:4091) // 'typedef ': ignored on left of '' when no variable is declared
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#endif // MPT_COMPILER_MSVC
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#include <dbghelp.h>
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#if MPT_COMPILER_MSVC
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#pragma warning(pop)
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#endif // MPT_COMPILER_MSVC
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OPENMPT_NAMESPACE_BEGIN
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typedef BOOL (WINAPI *MINIDUMPWRITEDUMP)(HANDLE hProcess, DWORD dwPid, HANDLE hFile, MINIDUMP_TYPE DumpType,
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CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
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CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
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CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam
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);
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static bool WriteMemoryDump(_EXCEPTION_POINTERS *pExceptionInfo, const TCHAR *filename, bool fullMemDump)
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{
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bool result = false;
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HMODULE hDll = ::LoadLibrary(_T("DBGHELP.DLL"));
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if (hDll)
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{
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MINIDUMPWRITEDUMP pDump = (MINIDUMPWRITEDUMP)::GetProcAddress(hDll, "MiniDumpWriteDump");
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if (pDump)
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{
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HANDLE hFile = ::CreateFile(filename, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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if (hFile != INVALID_HANDLE_VALUE)
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{
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_MINIDUMP_EXCEPTION_INFORMATION ExInfo;
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if(pExceptionInfo)
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{
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ExInfo.ThreadId = ::GetCurrentThreadId();
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ExInfo.ExceptionPointers = pExceptionInfo;
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ExInfo.ClientPointers = NULL;
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}
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pDump(GetCurrentProcess(), GetCurrentProcessId(), hFile,
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fullMemDump ?
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(MINIDUMP_TYPE)(MiniDumpWithFullMemory | MiniDumpWithHandleData | MiniDumpWithThreadInfo | MiniDumpWithProcessThreadData | MiniDumpWithFullMemoryInfo
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#if MPT_COMPILER_MSVC
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| MiniDumpIgnoreInaccessibleMemory | MiniDumpWithTokenInformation
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#endif
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)
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:
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MiniDumpNormal,
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pExceptionInfo ? &ExInfo : NULL, NULL, NULL);
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::CloseHandle(hFile);
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result = true;
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}
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}
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::FreeLibrary(hDll);
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}
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return result;
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}
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OPENMPT_NAMESPACE_END
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