Source code of Windows XP (NT5)
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224 lines
6.9 KiB

/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
heap.h
Abstract:
WinDbg Extension Api
Author:
Kshitiz K Sharma
Environment:
User/Kernel Mode.
Revision History:
--*/
#define HEAP_GRANULARITY_SHIFT 3 // Log2( HEAP_GRANULARITY )
#define HEAP_MAXIMUM_BLOCK_SIZE (USHORT)(((0x10000 << HEAP_GRANULARITY_SHIFT) - PageSize) >> HEAP_GRANULARITY_SHIFT)
#define HEAP_MAXIMUM_FREELISTS 128
#define HEAP_MAXIMUM_SEGMENTS 64
#define HEAP_ENTRY_BUSY 0x01
#define HEAP_ENTRY_EXTRA_PRESENT 0x02
#define HEAP_ENTRY_FILL_PATTERN 0x04
#define HEAP_ENTRY_VIRTUAL_ALLOC 0x08
#define HEAP_ENTRY_LAST_ENTRY 0x10
#define HEAP_ENTRY_SETTABLE_FLAG1 0x20
#define HEAP_ENTRY_SETTABLE_FLAG2 0x40
#define HEAP_ENTRY_SETTABLE_FLAG3 0x80
#define HEAP_ENTRY_SETTABLE_FLAGS 0xE0
#define HEAP_SEGMENT_SIGNATURE 0xFFEEFFEE
#define HEAP_SEGMENT_USER_ALLOCATED (ULONG)0x00000001
#define HEAP_SIGNATURE (ULONG)0xEEFFEEFF
#define HEAP_LOCK_USER_ALLOCATED (ULONG)0x80000000
#define HEAP_VALIDATE_PARAMETERS_ENABLED (ULONG)0x40000000
#define HEAP_VALIDATE_ALL_ENABLED (ULONG)0x20000000
#define HEAP_SKIP_VALIDATION_CHECKS (ULONG)0x10000000
#define HEAP_CAPTURE_STACK_BACKTRACES (ULONG)0x08000000
#define CHECK_HEAP_TAIL_SIZE GetTypeSize("HEAP_ENTRY")
#define CHECK_HEAP_TAIL_FILL 0xAB
#define FREE_HEAP_FILL 0xFEEEFEEE
#define ALLOC_HEAP_FILL 0xBAADF00D
#define HEAP_MAXIMUM_SMALL_TAG 0xFF
#define HEAP_SMALL_TAG_MASK (HEAP_MAXIMUM_SMALL_TAG << HEAP_TAG_SHIFT)
#define HEAP_NEED_EXTRA_FLAGS ((HEAP_TAG_MASK ^ HEAP_SMALL_TAG_MASK) | \
HEAP_CAPTURE_STACK_BACKTRACES | \
HEAP_SETTABLE_USER_VALUE \
)
#define HEAP_NUMBER_OF_PSEUDO_TAG (HEAP_MAXIMUM_FREELISTS+1)
#define HEAP_NO_SERIALIZE 0x00000001 // winnt
#define HEAP_GROWABLE 0x00000002 // winnt
#define HEAP_GENERATE_EXCEPTIONS 0x00000004 // winnt
#define HEAP_ZERO_MEMORY 0x00000008 // winnt
#define HEAP_REALLOC_IN_PLACE_ONLY 0x00000010 // winnt
#define HEAP_TAIL_CHECKING_ENABLED 0x00000020 // winnt
#define HEAP_FREE_CHECKING_ENABLED 0x00000040 // winnt
#define HEAP_DISABLE_COALESCE_ON_FREE 0x00000080 // winnt
#define HEAP_CREATE_ALIGN_16 0x00010000 // winnt Create heap with 16 byte alignment (obsolete)
#define HEAP_CREATE_ENABLE_TRACING 0x00020000 // winnt Create heap call tracing enabled (obsolete)
#define HEAP_SETTABLE_USER_VALUE 0x00000100
#define HEAP_SETTABLE_USER_FLAG1 0x00000200
#define HEAP_SETTABLE_USER_FLAG2 0x00000400
#define HEAP_SETTABLE_USER_FLAG3 0x00000800
#define HEAP_SETTABLE_USER_FLAGS 0x00000E00
#define HEAP_CLASS_0 0x00000000 // process heap
#define HEAP_CLASS_1 0x00001000 // private heap
#define HEAP_CLASS_2 0x00002000 // Kernel Heap
#define HEAP_CLASS_3 0x00003000 // GDI heap
#define HEAP_CLASS_4 0x00004000 // User heap
#define HEAP_CLASS_5 0x00005000 // Console heap
#define HEAP_CLASS_6 0x00006000 // User Desktop heap
#define HEAP_CLASS_7 0x00007000 // Csrss Shared heap
#define HEAP_CLASS_8 0x00008000 // Csr Port heap
#define HEAP_CLASS_MASK 0x0000F000
#define HEAP_MAXIMUM_TAG 0x0FFF // winnt
#define HEAP_GLOBAL_TAG 0x0800
#define HEAP_PSEUDO_TAG_FLAG 0x8000 // winnt
#define HEAP_TAG_SHIFT 18 // winnt
#define HEAP_MAKE_TAG_FLAGS( b, o ) ((ULONG)((b) + ((o) << 18))) // winnt
#define HEAP_TAG_MASK (HEAP_MAXIMUM_TAG << HEAP_TAG_SHIFT)
#define HEAP_CREATE_VALID_MASK (HEAP_NO_SERIALIZE | \
HEAP_GROWABLE | \
HEAP_GENERATE_EXCEPTIONS | \
HEAP_ZERO_MEMORY | \
HEAP_REALLOC_IN_PLACE_ONLY | \
HEAP_TAIL_CHECKING_ENABLED | \
HEAP_FREE_CHECKING_ENABLED | \
HEAP_DISABLE_COALESCE_ON_FREE | \
HEAP_CLASS_MASK | \
HEAP_CREATE_ALIGN_16 | \
HEAP_CREATE_ENABLE_TRACING)
#define PAGE_HEAP_ENABLE_PAGE_HEAP 0x0001
#define PAGE_HEAP_COLLECT_STACK_TRACES 0x0002
#define PAGE_HEAP_RESERVED_04 0x0004
#define PAGE_HEAP_RESERVED_08 0x0008
#define PAGE_HEAP_CATCH_BACKWARD_OVERRUNS 0x0010
#define PAGE_HEAP_UNALIGNED_ALLOCATIONS 0x0020
#define PAGE_HEAP_SMART_MEMORY_USAGE 0x0040
#define PAGE_HEAP_USE_SIZE_RANGE 0x0080
#define PAGE_HEAP_USE_DLL_RANGE 0x0100
#define PAGE_HEAP_USE_RANDOM_DECISION 0x0200
#define PAGE_HEAP_USE_DLL_NAMES 0x0400
#define PAGE_HEAP_USE_FAULT_INJECTION 0x0800
//
// heap walking contexts.
//
#define CONTEXT_START_GLOBALS 11
#define CONTEXT_START_HEAP 1
#define CONTEXT_END_HEAP 2
#define CONTEXT_START_SEGMENT 3
#define CONTEXT_END_SEGMENT 4
#define CONTEXT_FREE_BLOCK 5
#define CONTEXT_BUSY_BLOCK 6
#define CONTEXT_LOOKASIDE_BLOCK 7
#define CONTEXT_VIRTUAL_BLOCK 8
#define CONTEXT_END_BLOCKS 9
#define CONTEXT_ERROR 10
#define CONTEXT_LFH_HEAP 11
#define CONTEXT_START_SUBSEGMENT 12
#define CONTEXT_END_SUBSEGMENT 13
#define SCANPROCESS 1
#define SCANHEAP 2
#define SCANSEGMENT 3
extern ULONG ScanLevel;
typedef BOOLEAN (*HEAP_ITERATOR_CALLBACK)(
IN ULONG Context,
IN ULONG64 HeapAddress,
IN ULONG64 SegmentAddress,
IN ULONG64 EntryAddress,
IN ULONG64 Data
);
void
ScanProcessHeaps (
IN ULONG64 AddressToDump,
IN ULONG64 ProcessPeb,
HEAP_ITERATOR_CALLBACK HeapCallback
);
void InspectLeaks (
IN ULONG64 AddressToDump,
IN ULONG64 ProcessPeb
);
void
DumpEntryHeader();
void
DumpEntryInfo(
IN ULONG64 HeapAddress,
IN ULONG64 SegmentAddress,
ULONG64 EntryAddress
);
void
DumpEntryFlagDescription (
ULONG Flags
);
BOOLEAN
SearchVMReference (
HANDLE hProcess,
ULONG64 Base,
ULONG64 EndAddress
);
extern ULONG PageSize;
extern ULONG HeapEntrySize;
extern ULONG PointerSize;
BOOLEAN
InitializeHeapExtension();
VOID
HeapDetectLeaks();
VOID
HeapFindBlock (
LPCTSTR szArguments
);
VOID
HeapStat(
LPCTSTR szArguments
);