Leaked source code of windows server 2003
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/*++
Copyright (c) 1990-2002 Microsoft Corporation
Module Name:
dump.c
Abstract:
This module supplies support for non destructive building a mini-dump file.
Author:
Erick Smith (ericks), Oleg Kagan (olegk), Jun. 2002
Environment:
kernel mode only
Revision History:
--*/
#include "videoprt.h"
#include "gdisup.h"
#define TRIAGE_DUMP_DATA_SIZE (TRIAGE_DUMP_SIZE - sizeof(ULONG))
ULONG pVpAppendSecondaryMinidumpData( PVOID pvSecondaryData, ULONG ulSecondaryDataSize, PVOID pvDump )
/*++
Routine Description:
Adds precollected video driver specific data Arguments:
pvDump - points to the begiinig of the dump buffer pvSecondaryDumpData - points to the secondary data buffer ulSecondaryDataSize - size of the secondary data buffer Return Value:
Resulting length of the minidump
--*/ { PMEMORY_DUMP pDump = (PMEMORY_DUMP)pvDump; ULONG_PTR DumpDataEnd = (ULONG_PTR)pDump + TRIAGE_DUMP_DATA_SIZE; PDUMP_HEADER pdh = &(pDump->Header);
PVOID pBuffer = (PVOID)((ULONG_PTR)pvDump + TRIAGE_DUMP_SIZE); PDUMP_BLOB_FILE_HEADER BlobFileHdr = (PDUMP_BLOB_FILE_HEADER)(pBuffer); PDUMP_BLOB_HEADER BlobHdr = (PDUMP_BLOB_HEADER)(BlobFileHdr + 1); if (!pvDump) return 0; if (pvSecondaryData && ulSecondaryDataSize) { ASSERT(ulSecondaryDataSize <= MAX_SECONDARY_DUMP_SIZE); if (ulSecondaryDataSize > MAX_SECONDARY_DUMP_SIZE) ulSecondaryDataSize = MAX_SECONDARY_DUMP_SIZE; pdh->RequiredDumpSpace.QuadPart = TRIAGE_DUMP_SIZE + ulSecondaryDataSize /*+ // XXX olegk - uncomment it for longhorn
sizeof(DUMP_BLOB_HEADER) + sizeof(DUMP_BLOB_FILE_HEADER)*/; BlobFileHdr->Signature1 = DUMP_BLOB_SIGNATURE1; BlobFileHdr->Signature2 = DUMP_BLOB_SIGNATURE2; BlobFileHdr->HeaderSize = sizeof(*BlobFileHdr); BlobFileHdr->BuildNumber = NtBuildNumber; BlobHdr->HeaderSize = sizeof(*BlobHdr); BlobHdr->Tag = VpBugcheckGUID; BlobHdr->PrePad = 0; BlobHdr->PostPad = MAX_SECONDARY_DUMP_SIZE - ulSecondaryDataSize; BlobHdr->DataSize = ulSecondaryDataSize; RtlCopyMemory((PVOID)(BlobHdr + 1), pvSecondaryData, ulSecondaryDataSize); } return (ULONG)pdh->RequiredDumpSpace.QuadPart; }
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