390 lines
9.4 KiB
C
390 lines
9.4 KiB
C
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/*++
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Copyright (c) 1989-2000 Microsoft Corporation
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Module Name:
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DumpSup.c
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Abstract:
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This module implements a collection of data structure dump routines
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for debugging the Fat file system
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// @@BEGIN_DDKSPLIT
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Author:
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Gary Kimura [GaryKi] 18-Jan-1990
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Revision History:
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// @@END_DDKSPLIT
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--*/
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#include "FatProcs.h"
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#ifdef FASTFATDBG
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VOID FatDump(IN PVOID Ptr);
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VOID FatDumpDataHeader();
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VOID FatDumpVcb(IN PVCB Ptr);
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VOID FatDumpFcb(IN PFCB Ptr);
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VOID FatDumpCcb(IN PCCB Ptr);
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ULONG FatDumpCurrentColumn;
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#define DumpNewLine() { \
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DbgPrint("\n"); \
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FatDumpCurrentColumn = 1; \
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}
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#define DumpLabel(Label,Width) { \
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ULONG i, LastPeriod=0; \
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CHAR _Str[20]; \
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for(i=0;i<2;i++) { _Str[i] = UCHAR_SP;} \
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for(i=0;i<strlen(#Label);i++) {if (#Label[i] == '.') LastPeriod = i;} \
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strncpy(&_Str[2],&#Label[LastPeriod],Width); \
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for(i=strlen(_Str);i<Width;i++) {_Str[i] = UCHAR_SP;} \
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_Str[Width] = '\0'; \
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DbgPrint("%s", _Str); \
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}
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#define DumpField(Field) { \
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if ((FatDumpCurrentColumn + 18 + 9 + 9) > 80) {DumpNewLine();} \
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FatDumpCurrentColumn += 18 + 9 + 9; \
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DumpLabel(Field,18); \
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DbgPrint(":%8lx", Ptr->Field); \
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DbgPrint(" "); \
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}
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#define DumpListEntry(Links) { \
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if ((FatDumpCurrentColumn + 18 + 9 + 9) > 80) {DumpNewLine();} \
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FatDumpCurrentColumn += 18 + 9 + 9; \
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DumpLabel(Links,18); \
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DbgPrint(":%8lx", Ptr->Links.Flink); \
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DbgPrint(":%8lx", Ptr->Links.Blink); \
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}
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#define DumpName(Field,Width) { \
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ULONG i; \
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CHAR _String[256]; \
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if ((FatDumpCurrentColumn + 18 + Width) > 80) {DumpNewLine();} \
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FatDumpCurrentColumn += 18 + Width; \
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DumpLabel(Field,18); \
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for(i=0;i<Width;i++) {_String[i] = Ptr->Field[i];} \
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_String[Width] = '\0'; \
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DbgPrint("%s", _String); \
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}
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#define TestForNull(Name) { \
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if (Ptr == NULL) { \
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DbgPrint("%s - Cannot dump a NULL pointer\n", Name); \
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return; \
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} \
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}
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VOID
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FatDump (
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IN PVOID Ptr
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)
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/*++
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Routine Description:
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This routine determines the type of internal record reference by ptr and
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calls the appropriate dump routine.
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Arguments:
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Ptr - Supplies the pointer to the record to be dumped
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Return Value:
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None
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--*/
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{
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TestForNull("FatDump");
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switch (NodeType(Ptr)) {
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case FAT_NTC_DATA_HEADER:
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FatDumpDataHeader();
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break;
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case FAT_NTC_VCB:
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FatDumpVcb(Ptr);
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break;
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case FAT_NTC_FCB:
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case FAT_NTC_DCB:
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case FAT_NTC_ROOT_DCB:
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FatDumpFcb(Ptr);
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break;
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case FAT_NTC_CCB:
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FatDumpCcb(Ptr);
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break;
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default :
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DbgPrint("FatDump - Unknown Node type code %8lx\n", *((PNODE_TYPE_CODE)(Ptr)));
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break;
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}
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return;
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}
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VOID
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FatDumpDataHeader (
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)
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/*++
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Routine Description:
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Dump the top data structures and all Device structures
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Arguments:
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None
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Return Value:
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None
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--*/
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{
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PFAT_DATA Ptr;
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PLIST_ENTRY Links;
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Ptr = &FatData;
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TestForNull("FatDumpDataHeader");
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DumpNewLine();
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DbgPrint("FatData@ %lx", (Ptr));
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DumpNewLine();
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DumpField (NodeTypeCode);
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DumpField (NodeByteSize);
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DumpListEntry (VcbQueue);
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DumpField (DriverObject);
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DumpField (OurProcess);
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DumpNewLine();
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for (Links = Ptr->VcbQueue.Flink;
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Links != &Ptr->VcbQueue;
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Links = Links->Flink) {
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FatDumpVcb(CONTAINING_RECORD(Links, VCB, VcbLinks));
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}
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return;
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}
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VOID
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FatDumpVcb (
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IN PVCB Ptr
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)
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/*++
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Routine Description:
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Dump an Device structure, its Fcb queue amd direct access queue.
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Arguments:
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Ptr - Supplies the Device record to be dumped
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Return Value:
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None
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--*/
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{
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TestForNull("FatDumpVcb");
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DumpNewLine();
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DbgPrint("Vcb@ %lx", (Ptr));
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DumpNewLine();
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DumpField (VolumeFileHeader.NodeTypeCode);
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DumpField (VolumeFileHeader.NodeByteSize);
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DumpListEntry (VcbLinks);
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DumpField (TargetDeviceObject);
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DumpField (Vpb);
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DumpField (VcbState);
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DumpField (VcbCondition);
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DumpField (RootDcb);
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DumpField (DirectAccessOpenCount);
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DumpField (OpenFileCount);
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DumpField (ReadOnlyCount);
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DumpField (AllocationSupport);
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DumpField (AllocationSupport.RootDirectoryLbo);
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DumpField (AllocationSupport.RootDirectorySize);
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DumpField (AllocationSupport.FileAreaLbo);
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DumpField (AllocationSupport.NumberOfClusters);
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DumpField (AllocationSupport.NumberOfFreeClusters);
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DumpField (AllocationSupport.FatIndexBitSize);
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DumpField (AllocationSupport.LogOfBytesPerSector);
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DumpField (AllocationSupport.LogOfBytesPerCluster);
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DumpField (DirtyFatMcb);
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DumpField (FreeClusterBitMap);
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DumpField (VirtualVolumeFile);
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DumpField (SectionObjectPointers.DataSectionObject);
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DumpField (SectionObjectPointers.SharedCacheMap);
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DumpField (SectionObjectPointers.ImageSectionObject);
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DumpField (ClusterHint);
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DumpNewLine();
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FatDumpFcb(Ptr->RootDcb);
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return;
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}
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VOID
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FatDumpFcb (
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IN PFCB Ptr
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)
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/*++
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Routine Description:
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Dump an Fcb structure, its various queues
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Arguments:
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Ptr - Supplies the Fcb record to be dumped
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Return Value:
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None
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--*/
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{
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PLIST_ENTRY Links;
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TestForNull("FatDumpFcb");
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DumpNewLine();
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if (NodeType(&Ptr->Header) == FAT_NTC_FCB) {DbgPrint("Fcb@ %lx", (Ptr));}
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else if (NodeType(&Ptr->Header) == FAT_NTC_DCB) {DbgPrint("Dcb@ %lx", (Ptr));}
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else if (NodeType(&Ptr->Header) == FAT_NTC_ROOT_DCB) {DbgPrint("RootDcb@ %lx", (Ptr));}
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else {DbgPrint("NonFcb NodeType @ %lx", (Ptr));}
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DumpNewLine();
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DumpField (Header.NodeTypeCode);
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DumpField (Header.NodeByteSize);
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DumpListEntry (ParentDcbLinks);
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DumpField (ParentDcb);
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DumpField (Vcb);
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DumpField (FcbState);
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DumpField (FcbCondition);
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DumpField (UncleanCount);
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DumpField (OpenCount);
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DumpField (DirentOffsetWithinDirectory);
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DumpField (DirentFatFlags);
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DumpField (FullFileName.Length);
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DumpField (FullFileName.Buffer);
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DumpName (FullFileName.Buffer, 32);
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DumpField (ShortName.Name.Oem.Length);
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DumpField (ShortName.Name.Oem.Buffer);
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DumpField (NonPaged);
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DumpField (Header.AllocationSize.LowPart);
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DumpField (NonPaged->SectionObjectPointers.DataSectionObject);
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DumpField (NonPaged->SectionObjectPointers.SharedCacheMap);
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DumpField (NonPaged->SectionObjectPointers.ImageSectionObject);
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if ((Ptr->Header.NodeTypeCode == FAT_NTC_DCB) ||
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(Ptr->Header.NodeTypeCode == FAT_NTC_ROOT_DCB)) {
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DumpListEntry (Specific.Dcb.ParentDcbQueue);
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DumpField (Specific.Dcb.DirectoryFileOpenCount);
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DumpField (Specific.Dcb.DirectoryFile);
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} else if (Ptr->Header.NodeTypeCode == FAT_NTC_FCB) {
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DumpField (Header.FileSize.LowPart);
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} else {
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DumpNewLine();
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DbgPrint("Illegal Node type code");
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}
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DumpNewLine();
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if ((Ptr->Header.NodeTypeCode == FAT_NTC_DCB) ||
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(Ptr->Header.NodeTypeCode == FAT_NTC_ROOT_DCB)) {
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for (Links = Ptr->Specific.Dcb.ParentDcbQueue.Flink;
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Links != &Ptr->Specific.Dcb.ParentDcbQueue;
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Links = Links->Flink) {
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FatDumpFcb(CONTAINING_RECORD(Links, FCB, ParentDcbLinks));
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}
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}
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return;
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}
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VOID
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FatDumpCcb (
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IN PCCB Ptr
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)
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/*++
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Routine Description:
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Dump a Ccb structure
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Arguments:
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Ptr - Supplies the Ccb record to be dumped
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Return Value:
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None
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--*/
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{
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TestForNull("FatDumpCcb");
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DumpNewLine();
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DbgPrint("Ccb@ %lx", (Ptr));
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DumpNewLine();
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DumpField (NodeTypeCode);
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DumpField (NodeByteSize);
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DumpField (UnicodeQueryTemplate.Length);
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DumpName (UnicodeQueryTemplate.Buffer, 32);
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DumpField (OffsetToStartSearchFrom);
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DumpNewLine();
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return;
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}
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#endif // FASTFATDBG
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