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;
}