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527f2f9057
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
483 lines
12 KiB
C
483 lines
12 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS System Libraries
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* FILE: lib/rtl/heap.h
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* PURPOSE: Run-Time Libary Heap Manager header
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* PROGRAMMER: Aleksey Bragin
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*/
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/* INCLUDES ******************************************************************/
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#ifndef RTL_HEAP_H
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#define RTL_HEAP_H
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/* Core heap definitions */
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#define HEAP_FREELISTS 128
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#define HEAP_SEGMENTS 64
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#define HEAP_ENTRY_SIZE ((ULONG)sizeof(HEAP_ENTRY))
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#ifdef _WIN64
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#define HEAP_ENTRY_SHIFT 4
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#else
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#define HEAP_ENTRY_SHIFT 3
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#endif
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#define HEAP_MAX_BLOCK_SIZE ((0x80000 - PAGE_SIZE) >> HEAP_ENTRY_SHIFT)
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#define ARENA_INUSE_FILLER 0xBAADF00D
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#define ARENA_FREE_FILLER 0xFEEEFEEE
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#define HEAP_TAIL_FILL 0xab
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// from ntifs.h, should go to another header!
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#define HEAP_GLOBAL_TAG 0x0800
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#define HEAP_PSEUDO_TAG_FLAG 0x8000
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#define HEAP_TAG_MASK (HEAP_MAXIMUM_TAG << HEAP_TAG_SHIFT)
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#define HEAP_TAGS_MASK (HEAP_TAG_MASK ^ (0xFF << HEAP_TAG_SHIFT))
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#define HEAP_EXTRA_FLAGS_MASK (HEAP_CAPTURE_STACK_BACKTRACES | \
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HEAP_SETTABLE_USER_VALUE | \
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HEAP_TAGS_MASK)
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/* Heap entry flags */
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#define HEAP_ENTRY_BUSY 0x01
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#define HEAP_ENTRY_EXTRA_PRESENT 0x02
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#define HEAP_ENTRY_FILL_PATTERN 0x04
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#define HEAP_ENTRY_VIRTUAL_ALLOC 0x08
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#define HEAP_ENTRY_LAST_ENTRY 0x10
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#define HEAP_ENTRY_SETTABLE_FLAG1 0x20
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#define HEAP_ENTRY_SETTABLE_FLAG2 0x40
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#define HEAP_ENTRY_SETTABLE_FLAG3 0x80
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#define HEAP_ENTRY_SETTABLE_FLAGS (HEAP_ENTRY_SETTABLE_FLAG1 | HEAP_ENTRY_SETTABLE_FLAG2 | HEAP_ENTRY_SETTABLE_FLAG3)
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/* Signatures */
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#define HEAP_SIGNATURE 0xeefeeff
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#define HEAP_SEGMENT_SIGNATURE 0xffeeffee
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/* Segment flags */
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#define HEAP_USER_ALLOCATED 0x1
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/* A handy inline to distinguis normal heap, special "debug heap" and special "page heap" */
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FORCEINLINE BOOLEAN
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RtlpHeapIsSpecial(ULONG Flags)
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{
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if (Flags & HEAP_SKIP_VALIDATION_CHECKS) return FALSE;
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if (Flags & (HEAP_FLAG_PAGE_ALLOCS |
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HEAP_VALIDATE_ALL_ENABLED |
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HEAP_VALIDATE_PARAMETERS_ENABLED |
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HEAP_CAPTURE_STACK_BACKTRACES |
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HEAP_CREATE_ENABLE_TRACING))
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{
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/* This is a special heap */
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return TRUE;
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}
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/* No need for a special treatment */
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return FALSE;
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}
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/* Heap structures */
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struct _HEAP_COMMON_ENTRY
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{
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#ifdef _M_AMD64
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PVOID PreviousBlockPrivateData;
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#endif
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union
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{
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struct
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{
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USHORT Size;
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UCHAR Flags;
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UCHAR SmallTagIndex;
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};
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struct
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{
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#ifndef _M_AMD64
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PVOID SubSegmentCode;
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#else
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ULONG SubSegmentCodeDummy;
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#endif
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USHORT PreviousSize;
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union
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{
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UCHAR SegmentOffset;
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UCHAR LFHFlags;
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};
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UCHAR UnusedBytes;
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};
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struct
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{
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USHORT FunctionIndex;
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USHORT ContextValue;
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};
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struct
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{
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ULONG InterceptorValue;
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USHORT UnusedBytesLength;
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UCHAR EntryOffset;
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UCHAR ExtendedBlockSignature;
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};
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struct
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{
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ULONG Code1;
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USHORT Code2;
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UCHAR Code3;
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UCHAR Code4;
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};
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ULONGLONG AgregateCode;
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};
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};
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typedef struct _HEAP_FREE_ENTRY
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{
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struct _HEAP_COMMON_ENTRY;
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LIST_ENTRY FreeList;
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} HEAP_FREE_ENTRY, *PHEAP_FREE_ENTRY;
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typedef struct _HEAP_ENTRY
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{
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struct _HEAP_COMMON_ENTRY;
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} HEAP_ENTRY, *PHEAP_ENTRY;
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#ifdef _WIN64
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C_ASSERT(sizeof(HEAP_ENTRY) == 16);
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#else
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C_ASSERT(sizeof(HEAP_ENTRY) == 8);
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#endif
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C_ASSERT((1 << HEAP_ENTRY_SHIFT) == sizeof(HEAP_ENTRY));
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typedef struct _HEAP_TAG_ENTRY
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{
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ULONG Allocs;
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ULONG Frees;
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ULONG Size;
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USHORT TagIndex;
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USHORT CreatorBackTraceIndex;
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WCHAR TagName[24];
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} HEAP_TAG_ENTRY, *PHEAP_TAG_ENTRY;
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typedef struct _HEAP_PSEUDO_TAG_ENTRY
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{
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ULONG Allocs;
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ULONG Frees;
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SIZE_T Size;
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} HEAP_PSEUDO_TAG_ENTRY, *PHEAP_PSEUDO_TAG_ENTRY;
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typedef struct _HEAP_COUNTERS
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{
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SIZE_T TotalMemoryReserved;
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SIZE_T TotalMemoryCommitted;
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SIZE_T TotalMemoryLargeUCR;
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SIZE_T TotalSizeInVirtualBlocks;
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ULONG TotalSegments;
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ULONG TotalUCRs;
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ULONG CommittOps;
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ULONG DeCommitOps;
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ULONG LockAcquires;
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ULONG LockCollisions;
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ULONG CommitRate;
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ULONG DecommittRate;
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ULONG CommitFailures;
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ULONG InBlockCommitFailures;
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ULONG CompactHeapCalls;
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ULONG CompactedUCRs;
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ULONG InBlockDeccommits;
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SIZE_T InBlockDeccomitSize;
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} HEAP_COUNTERS, *PHEAP_COUNTERS;
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typedef struct _HEAP_TUNING_PARAMETERS
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{
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ULONG CommittThresholdShift;
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SIZE_T MaxPreCommittThreshold;
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} HEAP_TUNING_PARAMETERS, *PHEAP_TUNING_PARAMETERS;
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typedef struct _HEAP_LIST_LOOKUP
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{
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struct _HEAP_LIST_LOOKUP *ExtendedLookup;
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ULONG ArraySize;
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ULONG ExtraItem;
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ULONG ItemCount;
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ULONG OutOfRangeItems;
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ULONG BaseIndex;
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PLIST_ENTRY ListHead;
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PULONG ListsInUseUlong;
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PLIST_ENTRY *ListHints;
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} HEAP_LIST_LOOKUP, *PHEAP_LIST_LOOKUP;
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typedef struct _HEAP
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{
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HEAP_ENTRY Entry;
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ULONG SegmentSignature;
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ULONG SegmentFlags;
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LIST_ENTRY SegmentListEntry;
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struct _HEAP *Heap;
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PVOID BaseAddress;
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ULONG NumberOfPages;
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PHEAP_ENTRY FirstEntry;
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PHEAP_ENTRY LastValidEntry;
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ULONG NumberOfUnCommittedPages;
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ULONG NumberOfUnCommittedRanges;
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USHORT SegmentAllocatorBackTraceIndex;
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USHORT Reserved;
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LIST_ENTRY UCRSegmentList;
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ULONG Flags;
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ULONG ForceFlags;
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ULONG CompatibilityFlags;
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ULONG EncodeFlagMask;
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HEAP_ENTRY Encoding;
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ULONG_PTR PointerKey;
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ULONG Interceptor;
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ULONG VirtualMemoryThreshold;
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ULONG Signature;
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SIZE_T SegmentReserve;
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SIZE_T SegmentCommit;
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SIZE_T DeCommitFreeBlockThreshold;
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SIZE_T DeCommitTotalFreeThreshold;
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SIZE_T TotalFreeSize;
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SIZE_T MaximumAllocationSize;
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USHORT ProcessHeapsListIndex;
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USHORT HeaderValidateLength;
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PVOID HeaderValidateCopy;
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USHORT NextAvailableTagIndex;
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USHORT MaximumTagIndex;
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PHEAP_TAG_ENTRY TagEntries;
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LIST_ENTRY UCRList;
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LIST_ENTRY UCRSegments; // FIXME: non-Vista
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ULONG_PTR AlignRound;
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ULONG_PTR AlignMask;
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LIST_ENTRY VirtualAllocdBlocks;
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LIST_ENTRY SegmentList;
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struct _HEAP_SEGMENT *Segments[HEAP_SEGMENTS]; //FIXME: non-Vista
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USHORT AllocatorBackTraceIndex;
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ULONG NonDedicatedListLength;
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PVOID BlocksIndex; // HEAP_LIST_LOOKUP
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PVOID UCRIndex;
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PHEAP_PSEUDO_TAG_ENTRY PseudoTagEntries;
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LIST_ENTRY FreeLists[HEAP_FREELISTS]; //FIXME: non-Vista
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//LIST_ENTRY FreeLists;
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union
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{
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ULONG FreeListsInUseUlong[HEAP_FREELISTS / (sizeof(ULONG) * 8)]; //FIXME: non-Vista
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UCHAR FreeListsInUseBytes[HEAP_FREELISTS / (sizeof(UCHAR) * 8)]; //FIXME: non-Vista
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} u;
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PHEAP_LOCK LockVariable;
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PRTL_HEAP_COMMIT_ROUTINE CommitRoutine;
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PVOID FrontEndHeap;
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USHORT FrontHeapLockCount;
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UCHAR FrontEndHeapType;
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HEAP_COUNTERS Counters;
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HEAP_TUNING_PARAMETERS TuningParameters;
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} HEAP, *PHEAP;
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typedef struct _HEAP_SEGMENT
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{
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HEAP_ENTRY Entry;
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ULONG SegmentSignature;
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ULONG SegmentFlags;
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LIST_ENTRY SegmentListEntry;
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PHEAP Heap;
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PVOID BaseAddress;
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ULONG NumberOfPages;
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PHEAP_ENTRY FirstEntry;
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PHEAP_ENTRY LastValidEntry;
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ULONG NumberOfUnCommittedPages;
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ULONG NumberOfUnCommittedRanges;
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USHORT SegmentAllocatorBackTraceIndex;
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USHORT Reserved;
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LIST_ENTRY UCRSegmentList;
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} HEAP_SEGMENT, *PHEAP_SEGMENT;
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typedef struct _HEAP_UCR_DESCRIPTOR
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{
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LIST_ENTRY ListEntry;
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LIST_ENTRY SegmentEntry;
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PVOID Address;
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SIZE_T Size;
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} HEAP_UCR_DESCRIPTOR, *PHEAP_UCR_DESCRIPTOR;
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typedef struct _HEAP_UCR_SEGMENT
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{
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LIST_ENTRY ListEntry;
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SIZE_T ReservedSize;
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SIZE_T CommittedSize;
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} HEAP_UCR_SEGMENT, *PHEAP_UCR_SEGMENT;
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typedef struct _HEAP_ENTRY_EXTRA
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{
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union
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{
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struct
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{
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USHORT AllocatorBackTraceIndex;
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USHORT TagIndex;
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ULONG_PTR Settable;
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};
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UINT64 ZeroInit;
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};
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} HEAP_ENTRY_EXTRA, *PHEAP_ENTRY_EXTRA;
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typedef HEAP_ENTRY_EXTRA HEAP_FREE_ENTRY_EXTRA, *PHEAP_FREE_ENTRY_EXTRA;
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typedef struct _HEAP_VIRTUAL_ALLOC_ENTRY
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{
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LIST_ENTRY Entry;
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HEAP_ENTRY_EXTRA ExtraStuff;
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SIZE_T CommitSize;
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SIZE_T ReserveSize;
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HEAP_ENTRY BusyBlock;
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} HEAP_VIRTUAL_ALLOC_ENTRY, *PHEAP_VIRTUAL_ALLOC_ENTRY;
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/* Global variables */
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extern RTL_CRITICAL_SECTION RtlpProcessHeapsListLock;
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extern BOOLEAN RtlpPageHeapEnabled;
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/* Functions declarations */
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/* heap.c */
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PHEAP_FREE_ENTRY NTAPI
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RtlpCoalesceFreeBlocks (PHEAP Heap,
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PHEAP_FREE_ENTRY FreeEntry,
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PSIZE_T FreeSize,
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BOOLEAN Remove);
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PHEAP_ENTRY_EXTRA NTAPI
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RtlpGetExtraStuffPointer(PHEAP_ENTRY HeapEntry);
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BOOLEAN NTAPI
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RtlpValidateHeap(PHEAP Heap, BOOLEAN ForceValidation);
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BOOLEAN NTAPI
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RtlpValidateHeapEntry(PHEAP Heap, PHEAP_ENTRY HeapEntry);
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BOOLEAN NTAPI
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RtlpValidateHeapHeaders(PHEAP Heap, BOOLEAN Recalculate);
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/* heapdbg.c */
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HANDLE NTAPI
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RtlDebugCreateHeap(ULONG Flags,
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PVOID Addr,
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SIZE_T TotalSize,
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SIZE_T CommitSize,
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PVOID Lock,
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PRTL_HEAP_PARAMETERS Parameters);
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BOOLEAN NTAPI
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RtlDebugDestroyHeap(HANDLE HeapPtr);
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PVOID NTAPI
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RtlDebugAllocateHeap(PVOID HeapPtr,
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ULONG Flags,
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SIZE_T Size);
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PVOID NTAPI
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RtlDebugReAllocateHeap(HANDLE HeapPtr,
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ULONG Flags,
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PVOID Ptr,
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SIZE_T Size);
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BOOLEAN NTAPI
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RtlDebugFreeHeap(HANDLE HeapPtr,
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ULONG Flags,
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PVOID Ptr);
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BOOLEAN NTAPI
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RtlDebugGetUserInfoHeap(PVOID HeapHandle,
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ULONG Flags,
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PVOID BaseAddress,
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PVOID *UserValue,
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PULONG UserFlags);
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BOOLEAN NTAPI
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RtlDebugSetUserValueHeap(PVOID HeapHandle,
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ULONG Flags,
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PVOID BaseAddress,
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PVOID UserValue);
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BOOLEAN
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NTAPI
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RtlDebugSetUserFlagsHeap(PVOID HeapHandle,
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ULONG Flags,
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PVOID BaseAddress,
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ULONG UserFlagsReset,
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ULONG UserFlagsSet);
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SIZE_T NTAPI
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RtlDebugSizeHeap(HANDLE HeapPtr,
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ULONG Flags,
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PVOID Ptr);
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/* heappage.c */
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HANDLE NTAPI
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RtlpPageHeapCreate(ULONG Flags,
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PVOID Addr,
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SIZE_T TotalSize,
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SIZE_T CommitSize,
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PVOID Lock,
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PRTL_HEAP_PARAMETERS Parameters);
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PVOID NTAPI
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RtlpPageHeapDestroy(HANDLE HeapPtr);
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PVOID NTAPI
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RtlpPageHeapAllocate(IN PVOID HeapPtr,
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IN ULONG Flags,
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IN SIZE_T Size);
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BOOLEAN NTAPI
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RtlpPageHeapFree(HANDLE HeapPtr,
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ULONG Flags,
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PVOID Ptr);
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PVOID NTAPI
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RtlpPageHeapReAllocate(HANDLE HeapPtr,
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ULONG Flags,
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PVOID Ptr,
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SIZE_T Size);
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BOOLEAN NTAPI
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RtlpPageHeapGetUserInfo(PVOID HeapHandle,
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ULONG Flags,
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PVOID BaseAddress,
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PVOID *UserValue,
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PULONG UserFlags);
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BOOLEAN NTAPI
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RtlpPageHeapSetUserValue(PVOID HeapHandle,
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ULONG Flags,
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PVOID BaseAddress,
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PVOID UserValue);
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BOOLEAN
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NTAPI
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RtlpPageHeapSetUserFlags(PVOID HeapHandle,
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ULONG Flags,
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PVOID BaseAddress,
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ULONG UserFlagsReset,
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ULONG UserFlagsSet);
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BOOLEAN
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NTAPI
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RtlpDebugPageHeapValidate(PVOID HeapPtr,
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ULONG Flags,
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PVOID Block);
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SIZE_T NTAPI
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RtlpPageHeapSize(HANDLE HeapPtr,
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ULONG Flags,
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PVOID Ptr);
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VOID
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NTAPI
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RtlpAddHeapToProcessList(PHEAP Heap);
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VOID
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NTAPI
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RtlpRemoveHeapFromProcessList(PHEAP Heap);
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VOID
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NTAPI
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RtlInitializeHeapManager(VOID);
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#endif
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