585 lines
16 KiB
C++
585 lines
16 KiB
C++
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#include "precomp.h"
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#include <crash.h>
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#include "Debugger.h"
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#include "UserDumpp.h"
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#define MEM_SIZE (64*1024)
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//
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// Private data structure used for communcating
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// crash dump data to the callback function.
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//
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typedef struct _CRASH_DUMP_INFO
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{
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PPROCESS_INFO pProcess;
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EXCEPTION_DEBUG_INFO* ExceptionInfo;
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DWORD MemoryCount;
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DWORD_PTR Address;
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PUCHAR MemoryData;
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MEMORY_BASIC_INFORMATION mbi;
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SIZE_T MbiOffset;
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SIZE_T MbiRemaining;
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PTHREAD_INFO pCurrentThread;
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IMAGEHLP_MODULE mi;
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PCRASH_MODULE CrashModule;
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} CRASH_DUMP_INFO, *PCRASH_DUMP_INFO;
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//
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// Local function prototypes
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//
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DWORD_PTR GetTeb( HANDLE hThread )
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{
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NTSTATUS Status;
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THREAD_BASIC_INFORMATION ThreadBasicInfo;
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DWORD_PTR Address = 0;
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Status = NtQueryInformationThread( hThread,
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ThreadBasicInformation,
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&ThreadBasicInfo,
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sizeof( ThreadBasicInfo ),
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NULL );
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if ( NT_SUCCESS(Status) )
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{
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Address = (DWORD_PTR)ThreadBasicInfo.TebBaseAddress;
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}
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return Address;
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}
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BOOL
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CrashDumpCallback(
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IN DWORD DataType, // requested data type
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OUT PVOID* DumpData, // pointer to a pointer to the data
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OUT LPDWORD DumpDataLength, // pointer to the data length
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IN OUT PVOID cdi // private data
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)
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/*++
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Return: TRUE on success, FALSE otherwise.
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Desc: This function is the callback used by crashlib.
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Its purpose is to provide data to CreateUserDump()
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for writting to the crashdump file.
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--*/
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{
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PCRASH_DUMP_INFO CrashdumpInfo = (PCRASH_DUMP_INFO)cdi;
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switch ( DataType )
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{
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case DMP_DEBUG_EVENT:
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*DumpData = &CrashdumpInfo->pProcess->DebugEvent;
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*DumpDataLength = sizeof(DEBUG_EVENT);
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break;
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case DMP_THREAD_STATE:
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{
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static CRASH_THREAD CrashThread;
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PTHREAD_INFO pCurrentThread;
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*DumpData = &CrashThread;
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if ( CrashdumpInfo->pCurrentThread == NULL )
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{
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pCurrentThread = CrashdumpInfo->pProcess->pFirstThreadInfo;
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}
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else
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{
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pCurrentThread = CrashdumpInfo->pCurrentThread->pNext;
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}
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CrashdumpInfo->pCurrentThread = pCurrentThread;
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if ( pCurrentThread == NULL )
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{
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return FALSE;
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}
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ZeroMemory(&CrashThread, sizeof(CrashThread));
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CrashThread.ThreadId = pCurrentThread->dwThreadId;
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CrashThread.SuspendCount = SuspendThread(pCurrentThread->hThread);
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if ( CrashThread.SuspendCount != (DWORD)-1 )
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{
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ResumeThread(pCurrentThread->hThread);
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}
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CrashThread.PriorityClass = GetPriorityClass(CrashdumpInfo->pProcess->hProcess);
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CrashThread.Priority = GetThreadPriority(pCurrentThread->hThread);
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CrashThread.Teb = GetTeb(pCurrentThread->hThread);
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*DumpDataLength = sizeof(CRASH_THREAD);
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break;
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}
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case DMP_MEMORY_BASIC_INFORMATION:
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while ( TRUE )
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{
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CrashdumpInfo->Address += CrashdumpInfo->mbi.RegionSize;
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if ( !VirtualQueryEx(CrashdumpInfo->pProcess->hProcess,
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(LPVOID)CrashdumpInfo->Address,
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&CrashdumpInfo->mbi,
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sizeof(MEMORY_BASIC_INFORMATION)) )
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{
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return FALSE;
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}
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if ( (CrashdumpInfo->mbi.Protect & PAGE_GUARD) ||
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(CrashdumpInfo->mbi.Protect & PAGE_NOACCESS) )
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{
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continue;
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}
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if ( (CrashdumpInfo->mbi.State & MEM_FREE) ||
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(CrashdumpInfo->mbi.State & MEM_RESERVE) )
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{
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continue;
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}
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break;
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}
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*DumpData = &CrashdumpInfo->mbi;
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*DumpDataLength = sizeof(MEMORY_BASIC_INFORMATION);
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break;
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case DMP_THREAD_CONTEXT:
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{
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PTHREAD_INFO pCurrentThread;
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if ( CrashdumpInfo->pCurrentThread == NULL )
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{
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pCurrentThread = CrashdumpInfo->pProcess->pFirstThreadInfo;
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}
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else
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{
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pCurrentThread = CrashdumpInfo->pCurrentThread->pNext;
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}
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CrashdumpInfo->pCurrentThread = pCurrentThread;
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if ( pCurrentThread == NULL )
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{
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return FALSE;
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}
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*DumpData = &CrashdumpInfo->pCurrentThread->Context;
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*DumpDataLength = sizeof(CONTEXT);
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break;
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}
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case DMP_MODULE:
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if ( CrashdumpInfo->mi.BaseOfImage == 0 )
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{
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return FALSE;
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}
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CrashdumpInfo->CrashModule->BaseOfImage = CrashdumpInfo->mi.BaseOfImage;
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CrashdumpInfo->CrashModule->SizeOfImage = CrashdumpInfo->mi.ImageSize;
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CrashdumpInfo->CrashModule->ImageNameLength = strlen(CrashdumpInfo->mi.ImageName) + 1;
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strcpy( CrashdumpInfo->CrashModule->ImageName, CrashdumpInfo->mi.ImageName );
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*DumpData = CrashdumpInfo->CrashModule;
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*DumpDataLength = sizeof(CRASH_MODULE) + CrashdumpInfo->CrashModule->ImageNameLength;
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if ( !SymGetModuleInfo(CrashdumpInfo->pProcess->hProcess,
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(DWORD_PTR)-1,
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&CrashdumpInfo->mi) )
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{
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CrashdumpInfo->mi.BaseOfImage = 0;
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}
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break;
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case DMP_MEMORY_DATA:
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if ( !CrashdumpInfo->MemoryCount )
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{
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CrashdumpInfo->Address = 0;
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CrashdumpInfo->MbiOffset = 0;
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CrashdumpInfo->MbiRemaining = 0;
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ZeroMemory( &CrashdumpInfo->mbi, sizeof(MEMORY_BASIC_INFORMATION) );
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CrashdumpInfo->MemoryData = (PUCHAR)VirtualAlloc(NULL,
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MEM_SIZE,
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MEM_COMMIT,
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PAGE_READWRITE);
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}
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if ( !CrashdumpInfo->MbiRemaining )
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{
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while ( TRUE )
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{
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CrashdumpInfo->Address += CrashdumpInfo->mbi.RegionSize;
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if ( !VirtualQueryEx(CrashdumpInfo->pProcess->hProcess,
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(LPVOID)CrashdumpInfo->Address,
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&CrashdumpInfo->mbi,
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sizeof(MEMORY_BASIC_INFORMATION)) )
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{
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if ( CrashdumpInfo->MemoryData )
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{
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VirtualFree(CrashdumpInfo->MemoryData, MEM_SIZE, MEM_RELEASE);
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}
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return FALSE;
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}
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if ( (CrashdumpInfo->mbi.Protect & PAGE_GUARD) ||
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(CrashdumpInfo->mbi.Protect & PAGE_NOACCESS) )
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{
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continue;
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}
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if ( (CrashdumpInfo->mbi.State & MEM_FREE) ||
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(CrashdumpInfo->mbi.State & MEM_RESERVE) )
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{
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continue;
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}
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CrashdumpInfo->MbiOffset = 0;
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CrashdumpInfo->MbiRemaining = CrashdumpInfo->mbi.RegionSize;
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CrashdumpInfo->MemoryCount += 1;
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break;
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}
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}
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*DumpDataLength = (DWORD)__min( CrashdumpInfo->MbiRemaining, MEM_SIZE );
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CrashdumpInfo->MbiRemaining -= *DumpDataLength;
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ReadProcessMemory(CrashdumpInfo->pProcess->hProcess,
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(PUCHAR)((DWORD_PTR)CrashdumpInfo->mbi.BaseAddress + CrashdumpInfo->MbiOffset),
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CrashdumpInfo->MemoryData,
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*DumpDataLength,
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NULL);
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*DumpData = CrashdumpInfo->MemoryData;
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CrashdumpInfo->MbiOffset += *DumpDataLength;
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break;
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}
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return TRUE;
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}
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BOOL
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CreateUserDump(
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IN LPTSTR pszFileName,
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IN PDBGHELP_CREATE_USER_DUMP_CALLBACK DmpCallback,
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IN PVOID lpv
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)
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/*++
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Return: TRUE on success, FALSE otherwise.
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Desc: Creates the dump file.
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--*/
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{
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#if 0
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OSVERSIONINFOW OsVersion = {0};
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USERMODE_CRASHDUMP_HEADER DumpHeader = {0};
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DWORD cb;
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HANDLE hFile = INVALID_HANDLE_VALUE;
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BOOL rval;
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PVOID DumpData;
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DWORD DumpDataLength;
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SECURITY_ATTRIBUTES SecAttrib;
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SECURITY_DESCRIPTOR SecDescript;
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//
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// Create a DACL that allows all access to the directory.
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//
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SecAttrib.nLength = sizeof(SECURITY_ATTRIBUTES);
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SecAttrib.lpSecurityDescriptor = &SecDescript;
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SecAttrib.bInheritHandle = FALSE;
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InitializeSecurityDescriptor(&SecDescript, SECURITY_DESCRIPTOR_REVISION);
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SetSecurityDescriptorDacl(&SecDescript, TRUE, NULL, FALSE);
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hFile = CreateFile(pszFileName,
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GENERIC_READ | GENERIC_WRITE,
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0,
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&SecAttrib,
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CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if ( hFile == NULL || hFile == INVALID_HANDLE_VALUE )
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{
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return FALSE;
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}
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//
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// Write out an empty header.
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//
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if ( !WriteFile(hFile, &DumpHeader, sizeof(DumpHeader), &cb, NULL) )
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{
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goto bad_file;
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}
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//
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// Write the debug event.
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//
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DumpHeader.DebugEventOffset = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
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DmpCallback(DMP_DEBUG_EVENT, &DumpData, &DumpDataLength, lpv);
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if ( !WriteFile(hFile, DumpData, sizeof(DEBUG_EVENT), &cb, NULL) )
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{
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goto bad_file;
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}
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//
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// Write the memory map.
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//
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DumpHeader.MemoryRegionOffset = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
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do
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{
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__try {
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rval = DmpCallback(DMP_MEMORY_BASIC_INFORMATION,
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&DumpData,
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&DumpDataLength,
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lpv);
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} __except (EXCEPTION_EXECUTE_HANDLER) {
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rval = FALSE;
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}
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if ( rval )
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{
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DumpHeader.MemoryRegionCount += 1;
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if ( !WriteFile(hFile, DumpData, sizeof(MEMORY_BASIC_INFORMATION), &cb, NULL) )
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{
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goto bad_file;
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}
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}
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} while ( rval );
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//
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// Write the thread contexts.
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//
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DumpHeader.ThreadOffset = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
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do
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{
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__try {
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rval = DmpCallback(DMP_THREAD_CONTEXT,
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&DumpData,
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&DumpDataLength,
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lpv);
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} __except (EXCEPTION_EXECUTE_HANDLER) {
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rval = FALSE;
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}
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if ( rval )
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{
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if ( !WriteFile(hFile, DumpData, DumpDataLength, &cb, NULL) )
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{
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goto bad_file;
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}
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DumpHeader.ThreadCount += 1;
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}
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} while ( rval );
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//
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// Write the thread states.
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//
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DumpHeader.ThreadStateOffset = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
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do
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{
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__try {
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rval = DmpCallback(DMP_THREAD_STATE,
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&DumpData,
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&DumpDataLength,
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lpv);
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} __except (EXCEPTION_EXECUTE_HANDLER) {
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rval = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( rval )
|
||
|
|
{
|
||
|
|
if ( !WriteFile(hFile, DumpData, sizeof(CRASH_THREAD), &cb, NULL) )
|
||
|
|
{
|
||
|
|
goto bad_file;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} while ( rval );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Write the module table.
|
||
|
|
//
|
||
|
|
DumpHeader.ModuleOffset = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
|
||
|
|
|
||
|
|
do
|
||
|
|
{
|
||
|
|
__try {
|
||
|
|
rval = DmpCallback(DMP_MODULE,
|
||
|
|
&DumpData,
|
||
|
|
&DumpDataLength,
|
||
|
|
lpv);
|
||
|
|
|
||
|
|
} __except (EXCEPTION_EXECUTE_HANDLER) {
|
||
|
|
rval = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( rval )
|
||
|
|
{
|
||
|
|
if ( !WriteFile(hFile,
|
||
|
|
DumpData,
|
||
|
|
sizeof(CRASH_MODULE) + ((PCRASH_MODULE)DumpData)->ImageNameLength,
|
||
|
|
&cb,
|
||
|
|
NULL) )
|
||
|
|
{
|
||
|
|
goto bad_file;
|
||
|
|
}
|
||
|
|
|
||
|
|
DumpHeader.ModuleCount += 1;
|
||
|
|
}
|
||
|
|
} while ( rval );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Write the virtual memory
|
||
|
|
//
|
||
|
|
DumpHeader.DataOffset = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
|
||
|
|
|
||
|
|
do
|
||
|
|
{
|
||
|
|
__try {
|
||
|
|
rval = DmpCallback(DMP_MEMORY_DATA,
|
||
|
|
&DumpData,
|
||
|
|
&DumpDataLength,
|
||
|
|
lpv);
|
||
|
|
|
||
|
|
} __except (EXCEPTION_EXECUTE_HANDLER) {
|
||
|
|
rval = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( rval )
|
||
|
|
{
|
||
|
|
if ( !WriteFile(hFile, DumpData, DumpDataLength, &cb, NULL) )
|
||
|
|
{
|
||
|
|
goto bad_file;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} while ( rval );
|
||
|
|
|
||
|
|
//
|
||
|
|
// The VersionInfo is optional.
|
||
|
|
//
|
||
|
|
DumpHeader.VersionInfoOffset = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
|
||
|
|
|
||
|
|
//
|
||
|
|
// re-write the dump header with some valid data.
|
||
|
|
//
|
||
|
|
GetVersionEx(&OsVersion);
|
||
|
|
|
||
|
|
DumpHeader.Signature = USERMODE_CRASHDUMP_SIGNATURE;
|
||
|
|
DumpHeader.MajorVersion = OsVersion.dwMajorVersion;
|
||
|
|
DumpHeader.MinorVersion = OsVersion.dwMinorVersion;
|
||
|
|
|
||
|
|
#if defined(_X86_)
|
||
|
|
DumpHeader.MachineImageType = IMAGE_FILE_MACHINE_I386;
|
||
|
|
DumpHeader.ValidDump = USERMODE_CRASHDUMP_VALID_DUMP32;
|
||
|
|
|
||
|
|
#elif defined(_AMD64_)
|
||
|
|
DumpHeader.MachineImageType = IMAGE_FILE_MACHINE_AMD64;
|
||
|
|
DumpHeader.ValidDump = USERMODE_CRASHDUMP_VALID_DUMP64;
|
||
|
|
|
||
|
|
#elif defined(_IA64_)
|
||
|
|
DumpHeader.MachineImageType = IMAGE_FILE_MACHINE_IA64;
|
||
|
|
DumpHeader.ValidDump = USERMODE_CRASHDUMP_VALID_DUMP64;
|
||
|
|
|
||
|
|
#else
|
||
|
|
#error "No Target Architecture"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
SetFilePointer(hFile, 0, 0, FILE_BEGIN);
|
||
|
|
|
||
|
|
if ( !WriteFile(hFile, &DumpHeader, sizeof(DumpHeader), &cb, NULL) )
|
||
|
|
{
|
||
|
|
goto bad_file;
|
||
|
|
}
|
||
|
|
|
||
|
|
CloseHandle(hFile);
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
|
||
|
|
bad_file:
|
||
|
|
|
||
|
|
CloseHandle(hFile);
|
||
|
|
|
||
|
|
DeleteFile(pszFileName);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
GenerateUserModeDump(
|
||
|
|
LPTSTR pszFileName,
|
||
|
|
PPROCESS_INFO pProcess,
|
||
|
|
LPEXCEPTION_DEBUG_INFO ed
|
||
|
|
)
|
||
|
|
{
|
||
|
|
CRASH_DUMP_INFO CrashdumpInfo = {0};
|
||
|
|
BOOL bRet;
|
||
|
|
PTHREAD_INFO pThread;
|
||
|
|
|
||
|
|
CrashdumpInfo.mi.SizeOfStruct = sizeof(CrashdumpInfo.mi);
|
||
|
|
CrashdumpInfo.pProcess = pProcess;
|
||
|
|
CrashdumpInfo.ExceptionInfo = ed;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the thread context for all the threads.
|
||
|
|
//
|
||
|
|
pThread = pProcess->pFirstThreadInfo;
|
||
|
|
|
||
|
|
while ( pThread != NULL )
|
||
|
|
{
|
||
|
|
pThread->Context.ContextFlags = CONTEXT_FULL;
|
||
|
|
GetThreadContext(pThread->hThread, &pThread->Context);
|
||
|
|
pThread = pThread->pNext;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get first entry in the module list.
|
||
|
|
//
|
||
|
|
if ( !SymInitialize(pProcess->hProcess, NULL, FALSE) )
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( !SymGetModuleInfo(pProcess->hProcess, 0, &CrashdumpInfo.mi) )
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
CrashdumpInfo.CrashModule = (PCRASH_MODULE)LocalAlloc(LPTR, 4096);
|
||
|
|
|
||
|
|
bRet = CreateUserDump(pszFileName, CrashDumpCallback, &CrashdumpInfo);
|
||
|
|
|
||
|
|
LocalFree(CrashdumpInfo.CrashModule);
|
||
|
|
|
||
|
|
return bRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
|