Min versionXP2003/XP64 SP12003/XP64 SP1VistaVista SP178 Pre RTM8 Pre RTM810 Pre RTM
Max version2003/XP64 SP22003/XP64 SP2Vista SP27 SP18.1 Update 110 Pre RTM10 TH2
Architecturex86x64x86x86x64x86x64x86x64x86x64x86x64
x86 offset
offset:bitpos
Field Namex64 offset
offset:bitpos
0x0000struct _HEAP_ENTRY
Entry
struct _HEAP_SEGMENT
Segment
0x0000
0x0000struct _HEAP_ENTRY
Entry
0x0000
0x0008unsigned long
Signature
unsigned long
SegmentSignature
0x0010
0x000Cunsigned long
Flags
unsigned long
SegmentFlags
0x0014
0x0010unsigned long
ForceFlags
struct _LIST_ENTRY
SegmentListEntry
struct _LIST_ENTRY
SegmentListEntry
struct _LIST_ENTRY
SegmentListEntry
struct _LIST_ENTRY
SegmentListEntry
struct _LIST_ENTRY
SegmentListEntry
struct _LIST_ENTRY
SegmentListEntry
struct _LIST_ENTRY
SegmentListEntry
struct _LIST_ENTRY
SegmentListEntry
struct _LIST_ENTRY
SegmentListEntry
struct _LIST_ENTRY
SegmentListEntry
0x0018
0x0014unsigned long
VirtualMemoryThreshold
0x001C
0x0018uintptr_t
SegmentReserve
uintptr_t
SegmentReserve
uintptr_t
SegmentReserve
0x0020
0x0018struct _HEAP *
Heap
struct _HEAP *
Heap
struct _HEAP *
Heap
struct _HEAP *
Heap
struct _HEAP *
Heap
struct _HEAP *
Heap
struct _HEAP *
Heap
struct _HEAP *
Heap
struct _HEAP *
Heap
struct _HEAP *
Heap
0x0028
0x001Cuintptr_t
SegmentCommit
uintptr_t
SegmentCommit
0x0028
0x001Cunsigned long
SegmentCommit
void *
BaseAddress
void *
BaseAddress
void *
BaseAddress
void *
BaseAddress
void *
BaseAddress
void *
BaseAddress
void *
BaseAddress
void *
BaseAddress
void *
BaseAddress
void *
BaseAddress
0x0030
0x0020uintptr_t
DeCommitFreeBlockThreshold
uintptr_t
DeCommitFreeBlockThreshold
0x0030
0x0020unsigned long
DeCommitFreeBlockThreshold
unsigned long
NumberOfPages
unsigned long
NumberOfPages
unsigned long
NumberOfPages
unsigned long
NumberOfPages
unsigned long
NumberOfPages
unsigned long
NumberOfPages
unsigned long
NumberOfPages
unsigned long
NumberOfPages
unsigned long
NumberOfPages
unsigned long
NumberOfPages
0x0038
0x0024uintptr_t
DeCommitTotalFreeThreshold
uintptr_t
DeCommitTotalFreeThreshold
0x0038
0x0024unsigned long
DeCommitTotalFreeThreshold
struct _HEAP_ENTRY *
FirstEntry
struct _HEAP_ENTRY *
FirstEntry
struct _HEAP_ENTRY *
FirstEntry
struct _HEAP_ENTRY *
FirstEntry
struct _HEAP_ENTRY *
FirstEntry
struct _HEAP_ENTRY *
FirstEntry
struct _HEAP_ENTRY *
FirstEntry
struct _HEAP_ENTRY *
FirstEntry
struct _HEAP_ENTRY *
FirstEntry
struct _HEAP_ENTRY *
FirstEntry
0x0040
0x0028uintptr_t
TotalFreeSize
uintptr_t
TotalFreeSize
0x0040
0x0028unsigned long
TotalFreeSize
struct _HEAP_ENTRY *
LastValidEntry
struct _HEAP_ENTRY *
LastValidEntry
struct _HEAP_ENTRY *
LastValidEntry
struct _HEAP_ENTRY *
LastValidEntry
struct _HEAP_ENTRY *
LastValidEntry
struct _HEAP_ENTRY *
LastValidEntry
struct _HEAP_ENTRY *
LastValidEntry
struct _HEAP_ENTRY *
LastValidEntry
struct _HEAP_ENTRY *
LastValidEntry
struct _HEAP_ENTRY *
LastValidEntry
0x0048
0x002Cuintptr_t
MaximumAllocationSize
uintptr_t
MaximumAllocationSize
uintptr_t
MaximumAllocationSize
0x0048
0x002Cunsigned long
NumberOfUnCommittedPages
unsigned long
NumberOfUnCommittedPages
unsigned long
NumberOfUnCommittedPages
unsigned long
NumberOfUnCommittedPages
unsigned long
NumberOfUnCommittedPages
unsigned long
NumberOfUnCommittedPages
unsigned long
NumberOfUnCommittedPages
unsigned long
NumberOfUnCommittedPages
unsigned long
NumberOfUnCommittedPages
unsigned long
NumberOfUnCommittedPages
0x0050
0x0030uint16_t
ProcessHeapsListIndex
uint16_t
ProcessHeapsListIndex
0x0050
0x0030uint16_t
ProcessHeapsListIndex
unsigned long
NumberOfUnCommittedRanges
unsigned long
NumberOfUnCommittedRanges
unsigned long
NumberOfUnCommittedRanges
unsigned long
NumberOfUnCommittedRanges
unsigned long
NumberOfUnCommittedRanges
unsigned long
NumberOfUnCommittedRanges
unsigned long
NumberOfUnCommittedRanges
unsigned long
NumberOfUnCommittedRanges
unsigned long
NumberOfUnCommittedRanges
unsigned long
NumberOfUnCommittedRanges
0x0054
0x0032uint16_t
HeaderValidateLength
0x0052
0x0034void *
HeaderValidateCopy
uint16_t
SegmentAllocatorBackTraceIndex
0x0058
0x0036uint16_t
Reserved
0x005A
0x0038uint16_t
NextAvailableTagIndex
struct _LIST_ENTRY
UCRSegmentList
0x0060
0x003Auint16_t
MaximumTagIndex
0x0062
0x003Cstruct _HEAP_TAG_ENTRY *
TagEntries
0x0068
0x0040struct _HEAP_UCR_SEGMENT *
UCRSegments
struct _HEAP_UCR_SEGMENT *
UCRSegments
struct _HEAP_UCR_SEGMENT *
UCRSegments
unsigned long
Flags
0x0070
0x0044unsigned long
ForceFlags
unsigned long
ForceFlags
unsigned long
ForceFlags
unsigned long
ForceFlags
unsigned long
ForceFlags
unsigned long
ForceFlags
unsigned long
ForceFlags
unsigned long
ForceFlags
unsigned long
ForceFlags
unsigned long
ForceFlags
0x0074
0x0044struct _HEAP_UNCOMMMTTED_RANGE *
UnusedUnCommittedRanges
struct _HEAP_UNCOMMMTTED_RANGE *
UnusedUnCommittedRanges
struct _HEAP_UNCOMMMTTED_RANGE *
UnusedUnCommittedRanges
0x0078
0x0048unsigned long
CompatibilityFlags
unsigned long
CompatibilityFlags
unsigned long
CompatibilityFlags
unsigned long
CompatibilityFlags
unsigned long
CompatibilityFlags
unsigned long
CompatibilityFlags
unsigned long
CompatibilityFlags
unsigned long
CompatibilityFlags
unsigned long
CompatibilityFlags
unsigned long
CompatibilityFlags
0x0078
0x0048uintptr_t
AlignRound
0x0080
0x004Cunsigned long
AlignMask
unsigned long
EncodeFlagMask
unsigned long
EncodeFlagMask
unsigned long
EncodeFlagMask
unsigned long
EncodeFlagMask
unsigned long
EncodeFlagMask
unsigned long
EncodeFlagMask
unsigned long
EncodeFlagMask
unsigned long
EncodeFlagMask
unsigned long
EncodeFlagMask
unsigned long
EncodeFlagMask
0x007C
0x004Cuintptr_t
AlignMask
0x0088
0x0050struct _HEAP_ENTRY
Encoding
struct _HEAP_ENTRY
Encoding
struct _HEAP_ENTRY
Encoding
struct _HEAP_ENTRY
Encoding
struct _HEAP_ENTRY
Encoding
struct _HEAP_ENTRY
Encoding
struct _HEAP_ENTRY
Encoding
struct _HEAP_ENTRY
Encoding
struct _HEAP_ENTRY
Encoding
struct _HEAP_ENTRY
Encoding
0x0080
0x0050struct _LIST_ENTRY
VirtualAllocdBlocks
struct _LIST_ENTRY
VirtualAllocdBlocks
struct _LIST_ENTRY
VirtualAllocdBlocks
0x0090
0x0058uintptr_t
PointerKey
uintptr_t
PointerKey
uintptr_t
PointerKey
uintptr_t
PointerKey
unsigned long
Interceptor
unsigned long
Interceptor
unsigned long
Interceptor
unsigned long
Interceptor
unsigned long
Interceptor
unsigned long
Interceptor
0x0090
0x0058struct _HEAP_SEGMENT *[64]
Segments
struct _HEAP_SEGMENT *[64]
Segments
struct _HEAP_SEGMENT *[64]
Segments
0x00A0
0x005Cunsigned long
VirtualMemoryThreshold
unsigned long
VirtualMemoryThreshold
unsigned long
VirtualMemoryThreshold
unsigned long
VirtualMemoryThreshold
unsigned long
VirtualMemoryThreshold
unsigned long
VirtualMemoryThreshold
0x0094
0x005Cunsigned long
Interceptor
unsigned long
Interceptor
unsigned long
Interceptor
unsigned long
Interceptor
0x0098
0x0060unsigned long
Signature
unsigned long
Signature
unsigned long
Signature
unsigned long
Signature
unsigned long
Signature
unsigned long
Signature
0x0098
0x0060unsigned long
VirtualMemoryThreshold
0x009C
0x0064unsigned long
Signature
uintptr_t
SegmentReserve
0x00A0
0x0068uintptr_t
SegmentReserve
uintptr_t
SegmentCommit
0x00A8
0x006Cuintptr_t
SegmentCommit
uintptr_t
DeCommitFreeBlockThreshold
0x00B0
0x0070uintptr_t
DeCommitFreeBlockThreshold
uintptr_t
DeCommitTotalFreeThreshold
0x00B8
0x0074uintptr_t
DeCommitTotalFreeThreshold
uintptr_t
TotalFreeSize
0x00C0
0x0078uintptr_t
TotalFreeSize
uintptr_t
MaximumAllocationSize
0x00C8
0x007Cuintptr_t
MaximumAllocationSize
uint16_t
ProcessHeapsListIndex
0x00D0
0x007Euint16_t
HeaderValidateLength
0x00D2
0x0080uint16_t
ProcessHeapsListIndex
void *
HeaderValidateCopy
0x00D8
0x0082uint16_t
HeaderValidateLength
0x00DA
0x0084void *
HeaderValidateCopy
uint16_t
NextAvailableTagIndex
0x00E0
0x0086uint16_t
MaximumTagIndex
0x00E2
0x0088uint16_t
NextAvailableTagIndex
struct _HEAP_TAG_ENTRY *
TagEntries
0x00E8
0x008Auint16_t
MaximumTagIndex
0x00EA
0x008Cstruct _HEAP_TAG_ENTRY *
TagEntries
struct _LIST_ENTRY
UCRList
0x00F0
0x0090struct _LIST_ENTRY
UCRList
0x00F8
0x0094uintptr_t
AlignRound
0x0100
0x0098uintptr_t
AlignRound
uintptr_t
AlignMask
0x0108
0x009Cuintptr_t
AlignMask
struct _LIST_ENTRY
VirtualAllocdBlocks
0x0110
0x00A0struct _LIST_ENTRY
VirtualAllocdBlocks
0x0118
0x00A4struct _LIST_ENTRY
SegmentList
0x0120
0x00A8struct _LIST_ENTRY
SegmentList
struct _LIST_ENTRY
SegmentList
struct _LIST_ENTRY
SegmentList
struct _LIST_ENTRY
SegmentList
0x0128
0x00ACuint16_t
AllocatorBackTraceIndex
0x0130
0x00B0unsigned long
NonDedicatedListLength
unsigned long
NonDedicatedListLength
unsigned long
NonDedicatedListLength
unsigned long
NonDedicatedListLength
unsigned long
NonDedicatedListLength
unsigned long
NonDedicatedListLength
0x0134
0x00B0uint16_t
AllocatorBackTraceIndex
uint16_t
AllocatorBackTraceIndex
uint16_t
AllocatorBackTraceIndex
uint16_t
AllocatorBackTraceIndex
0x0138
0x00B4void *
BlocksIndex
0x0138
0x00B4unsigned long
NonDedicatedListLength
0x013C
0x00B8void *
BlocksIndex
void *
UCRIndex
0x0140
0x00BCvoid *
UCRIndex
struct _HEAP_PSEUDO_TAG_ENTRY *
PseudoTagEntries
0x0148
0x00C0struct _HEAP_PSEUDO_TAG_ENTRY *
PseudoTagEntries
struct _LIST_ENTRY
FreeLists
0x0150
0x00C4struct _LIST_ENTRY
FreeLists
0x0158
0x00C8struct _HEAP_LOCK *
LockVariable
0x0160
0x00CCstruct _HEAP_LOCK *
LockVariable
function *
CommitRoutine
0x0168
0x00D0function *
CommitRoutine
void *
FrontEndHeap
0x0170
0x00D4void *
FrontEndHeap
uint16_t
FrontHeapLockCount
0x0178
0x00D6uint8_t
FrontEndHeapType
0x017A
0x00D7uint8_t
RequestedFrontEndHeapType
0x017B
0x00D8uint16_t
FrontHeapLockCount
uint16_t *
FrontEndHeapUsageData
0x0180
0x00DAuint8_t
FrontEndHeapType
0x0182
0x00DCstruct _HEAP_COUNTERS
Counters
struct _HEAP_COUNTERS
Counters
uint16_t
FrontEndHeapMaximumIndex
0x0188
0x00DEuint8_t[257]
FrontEndHeapStatusBitmap
uint8_t[129]
FrontEndHeapStatusBitmap
volatile uint8_t[257]
FrontEndHeapStatusBitmap
volatile uint8_t[129]
FrontEndHeapStatusBitmap
volatile uint8_t[257]
FrontEndHeapStatusBitmap
volatile uint8_t[129]
FrontEndHeapStatusBitmap
0x018A
0x0124struct _HEAP_TUNING_PARAMETERS
TuningParameters
0x01E8
0x0130struct _HEAP_TUNING_PARAMETERS
TuningParameters
0x01F8
0x0158union __unnamed
u
union <unnamed-tag>
u
0x02A0
0x0168union __unnamed
u2
union <unnamed-tag>
u2
0x02B0
0x016Auint16_t
AllocatorBackTraceIndex
0x02B2
0x016Cunsigned long
NonDedicatedListLength
0x02B4
0x0170void *
LargeBlocksIndex
0x02B8
0x0174struct _HEAP_PSEUDO_TAG_ENTRY *
PseudoTagEntries
0x02C0
0x0178struct _LIST_ENTRY[128]
FreeLists
struct _LIST_ENTRY[128]
FreeLists
struct _LIST_ENTRY[128]
FreeLists
0x02C8
0x01E0struct _HEAP_COUNTERS
Counters
0x0210
0x023Cstruct _HEAP_TUNING_PARAMETERS
TuningParameters
0x0288
0x0578struct _HEAP_LOCK *
LockVariable
0x0AC8
0x057Cfunction *
CommitRoutine
0x0AD0
0x0580void *
FrontEndHeap
0x0AD8
0x0584uint16_t
FrontHeapLockCount
0x0AE0
0x0586uint8_t
FrontEndHeapType
0x0AE2
0x0587uint8_t
LastSegmentIndex
0x0AE3