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241 lines
6.3 KiB
241 lines
6.3 KiB
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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heaptag.c
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Abstract:
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This module implements the support routines needed for FLG_HEAP_ENABLE_TAG_BY_DLL
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Author:
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Steve Wood (stevewo) 07-Apr-1995
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Revision History:
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--*/
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#pragma warning(disable:4214) // bit field types other than int
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#pragma warning(disable:4201) // nameless struct/union
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#pragma warning(disable:4115) // named type definition in parentheses
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#pragma warning(disable:4127) // condition expression is constant
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#include <ntos.h>
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#include "ldrp.h"
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#include <stktrace.h>
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#include <heap.h>
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#include <stdio.h>
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#define LDRP_MAXIMUM_DLL_TAGS 64
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BOOLEAN LdrpDllTagsInitialized;
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ULONG LdrpNumberOfDllTags;
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ULONG LdrpBaseDllTag;
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ULONG LdrpDllTags[ LDRP_MAXIMUM_DLL_TAGS ];
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#define DEFINE_HEAPTAG_ENTRY( n ) \
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PVOID LdrpTagAllocateHeap##n( PVOID h, ULONG f, ULONG s ) {return LdrpTagAllocateHeap( h, f, s, n ); }
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PVOID
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LdrpTagAllocateHeap(
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IN PVOID HeapHandle,
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IN ULONG Flags,
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IN ULONG Size,
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IN ULONG n
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)
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{
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if ((Flags & HEAP_TAG_MASK) == 0) {
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Flags |= LdrpDllTags[ n ];
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}
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return RtlAllocateHeap( HeapHandle, Flags, Size );
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}
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DEFINE_HEAPTAG_ENTRY( 0 );
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DEFINE_HEAPTAG_ENTRY( 1 );
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DEFINE_HEAPTAG_ENTRY( 2 );
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DEFINE_HEAPTAG_ENTRY( 3 );
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DEFINE_HEAPTAG_ENTRY( 4 );
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DEFINE_HEAPTAG_ENTRY( 5 );
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DEFINE_HEAPTAG_ENTRY( 6 );
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DEFINE_HEAPTAG_ENTRY( 7 );
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DEFINE_HEAPTAG_ENTRY( 8 );
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DEFINE_HEAPTAG_ENTRY( 9 );
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DEFINE_HEAPTAG_ENTRY( 10 );
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DEFINE_HEAPTAG_ENTRY( 11 );
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DEFINE_HEAPTAG_ENTRY( 12 );
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DEFINE_HEAPTAG_ENTRY( 13 );
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DEFINE_HEAPTAG_ENTRY( 14 );
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DEFINE_HEAPTAG_ENTRY( 15 );
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DEFINE_HEAPTAG_ENTRY( 16 );
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DEFINE_HEAPTAG_ENTRY( 17 );
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DEFINE_HEAPTAG_ENTRY( 18 );
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DEFINE_HEAPTAG_ENTRY( 19 );
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DEFINE_HEAPTAG_ENTRY( 20 );
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DEFINE_HEAPTAG_ENTRY( 21 );
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DEFINE_HEAPTAG_ENTRY( 22 );
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DEFINE_HEAPTAG_ENTRY( 23 );
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DEFINE_HEAPTAG_ENTRY( 24 );
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DEFINE_HEAPTAG_ENTRY( 25 );
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DEFINE_HEAPTAG_ENTRY( 26 );
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DEFINE_HEAPTAG_ENTRY( 27 );
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DEFINE_HEAPTAG_ENTRY( 28 );
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DEFINE_HEAPTAG_ENTRY( 29 );
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DEFINE_HEAPTAG_ENTRY( 30 );
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DEFINE_HEAPTAG_ENTRY( 31 );
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DEFINE_HEAPTAG_ENTRY( 32 );
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DEFINE_HEAPTAG_ENTRY( 33 );
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DEFINE_HEAPTAG_ENTRY( 34 );
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DEFINE_HEAPTAG_ENTRY( 35 );
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DEFINE_HEAPTAG_ENTRY( 36 );
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DEFINE_HEAPTAG_ENTRY( 37 );
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DEFINE_HEAPTAG_ENTRY( 38 );
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DEFINE_HEAPTAG_ENTRY( 39 );
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DEFINE_HEAPTAG_ENTRY( 40 );
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DEFINE_HEAPTAG_ENTRY( 41 );
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DEFINE_HEAPTAG_ENTRY( 42 );
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DEFINE_HEAPTAG_ENTRY( 43 );
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DEFINE_HEAPTAG_ENTRY( 44 );
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DEFINE_HEAPTAG_ENTRY( 45 );
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DEFINE_HEAPTAG_ENTRY( 46 );
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DEFINE_HEAPTAG_ENTRY( 47 );
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DEFINE_HEAPTAG_ENTRY( 48 );
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DEFINE_HEAPTAG_ENTRY( 49 );
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DEFINE_HEAPTAG_ENTRY( 50 );
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DEFINE_HEAPTAG_ENTRY( 51 );
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DEFINE_HEAPTAG_ENTRY( 52 );
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DEFINE_HEAPTAG_ENTRY( 53 );
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DEFINE_HEAPTAG_ENTRY( 54 );
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DEFINE_HEAPTAG_ENTRY( 55 );
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DEFINE_HEAPTAG_ENTRY( 56 );
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DEFINE_HEAPTAG_ENTRY( 57 );
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DEFINE_HEAPTAG_ENTRY( 58 );
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DEFINE_HEAPTAG_ENTRY( 59 );
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DEFINE_HEAPTAG_ENTRY( 60 );
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DEFINE_HEAPTAG_ENTRY( 61 );
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DEFINE_HEAPTAG_ENTRY( 62 );
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DEFINE_HEAPTAG_ENTRY( 63 );
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typedef PVOID (*PLDRP_DLL_TAG_PROCEDURE)(
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PVOID HeapHandle,
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ULONG Flags,
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ULONG Size
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);
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const PLDRP_DLL_TAG_PROCEDURE LdrpDllTagProcedures[ LDRP_MAXIMUM_DLL_TAGS ] = {
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LdrpTagAllocateHeap0,
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LdrpTagAllocateHeap1,
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LdrpTagAllocateHeap2,
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LdrpTagAllocateHeap3,
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LdrpTagAllocateHeap4,
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LdrpTagAllocateHeap5,
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LdrpTagAllocateHeap6,
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LdrpTagAllocateHeap7,
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LdrpTagAllocateHeap8,
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LdrpTagAllocateHeap9,
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LdrpTagAllocateHeap10,
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LdrpTagAllocateHeap11,
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LdrpTagAllocateHeap12,
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LdrpTagAllocateHeap13,
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LdrpTagAllocateHeap14,
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LdrpTagAllocateHeap15,
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LdrpTagAllocateHeap16,
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LdrpTagAllocateHeap17,
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LdrpTagAllocateHeap18,
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LdrpTagAllocateHeap19,
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LdrpTagAllocateHeap20,
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LdrpTagAllocateHeap21,
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LdrpTagAllocateHeap22,
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LdrpTagAllocateHeap23,
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LdrpTagAllocateHeap24,
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LdrpTagAllocateHeap25,
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LdrpTagAllocateHeap26,
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LdrpTagAllocateHeap27,
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LdrpTagAllocateHeap28,
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LdrpTagAllocateHeap29,
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LdrpTagAllocateHeap30,
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LdrpTagAllocateHeap31,
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LdrpTagAllocateHeap32,
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LdrpTagAllocateHeap33,
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LdrpTagAllocateHeap34,
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LdrpTagAllocateHeap35,
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LdrpTagAllocateHeap36,
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LdrpTagAllocateHeap37,
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LdrpTagAllocateHeap38,
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LdrpTagAllocateHeap39,
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LdrpTagAllocateHeap40,
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LdrpTagAllocateHeap41,
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LdrpTagAllocateHeap42,
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LdrpTagAllocateHeap43,
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LdrpTagAllocateHeap44,
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LdrpTagAllocateHeap45,
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LdrpTagAllocateHeap46,
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LdrpTagAllocateHeap47,
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LdrpTagAllocateHeap48,
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LdrpTagAllocateHeap49,
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LdrpTagAllocateHeap50,
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LdrpTagAllocateHeap51,
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LdrpTagAllocateHeap52,
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LdrpTagAllocateHeap53,
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LdrpTagAllocateHeap54,
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LdrpTagAllocateHeap55,
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LdrpTagAllocateHeap56,
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LdrpTagAllocateHeap57,
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LdrpTagAllocateHeap58,
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LdrpTagAllocateHeap59,
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LdrpTagAllocateHeap60,
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LdrpTagAllocateHeap61,
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LdrpTagAllocateHeap62,
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LdrpTagAllocateHeap63
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};
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PVOID
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LdrpDefineDllTag (
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PWSTR TagName,
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PUSHORT TagIndex
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)
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{
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PVOID Result;
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WCHAR TagNameBuffer[ 260 ];
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if (RtlpGlobalTagHeap == NULL) {
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RtlpGlobalTagHeap = RtlAllocateHeap( RtlProcessHeap( ), HEAP_ZERO_MEMORY, sizeof( HEAP ));
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if (RtlpGlobalTagHeap == NULL) {
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return NULL;
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}
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}
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if (!LdrpDllTagsInitialized) {
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//
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// Keep QUERY.C happy
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//
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InitializeListHead( &RtlpGlobalTagHeap->VirtualAllocdBlocks );
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LdrpDllTagsInitialized = TRUE;
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}
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Result = NULL;
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if (LdrpNumberOfDllTags < LDRP_MAXIMUM_DLL_TAGS) {
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memset( TagNameBuffer, 0, sizeof( TagNameBuffer ) );
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wcsncpy( TagNameBuffer, TagName, ( sizeof( TagNameBuffer ) / sizeof( TagNameBuffer[0] ) ) - 1 );
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LdrpDllTags[ LdrpNumberOfDllTags ] =
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RtlCreateTagHeap( NULL,
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0,
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NULL,
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TagNameBuffer
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);
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if (LdrpDllTags[ LdrpNumberOfDllTags ] != 0) {
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Result = (PVOID) (ULONG_PTR) LdrpDllTagProcedures[ LdrpNumberOfDllTags ];
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}
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if (Result != NULL) {
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*TagIndex = (USHORT)(LdrpDllTags[ LdrpNumberOfDllTags ] >> HEAP_TAG_SHIFT);
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LdrpNumberOfDllTags += 1;
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}
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}
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return Result;
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}
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