mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
3.6 KiB
109 lines
3.6 KiB
//+---------------------------------------------------------------------------
|
|
// File: caiheap.h
|
|
//
|
|
// Contents: Heap debugging structures and routines for the heap code
|
|
// in commnot
|
|
//
|
|
// History: 28-Oct-92 IsaacHe Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#ifndef _CAIHEAP_H_
|
|
#define _CAIHEAP_H_
|
|
|
|
//
|
|
// We keep a stack backtrace for each allocated block of memory. DEPTHTRACE
|
|
// is the number of frames that we record
|
|
//
|
|
#define DEPTHTRACE 26 // depth of stack backtraces
|
|
|
|
//
|
|
// The AllocArena structure has this signature at its front. We put a
|
|
// signature on the structure to allow external processes to snapshot the
|
|
// debug information and do some minimal check to see they are looking at the
|
|
// right stuff
|
|
//
|
|
const char HEAPSIG[] = { 'H', 'E', 'P', DEPTHTRACE };
|
|
|
|
// We keep track of the stack backtraces of allocation calls
|
|
// in these structues.
|
|
|
|
struct HeapAllocRec {
|
|
DWORD sum; // checksum of stack backtrace
|
|
void *fTrace[ DEPTHTRACE ]; // stack backtrace
|
|
DWORD count; // # of un-freed allocs from this place
|
|
size_t bytes; // # of un-freed bytes from this place
|
|
struct AllocArena *paa; // points back to the beginning...
|
|
struct {
|
|
DWORD count; // # of allocs from this place
|
|
size_t bytes; // # of bytes from this place
|
|
} total;
|
|
union {
|
|
struct HeapAllocRec *next; // next bucket in the hash list
|
|
void *ImageBase; // base addr of containing module
|
|
} u;
|
|
};
|
|
|
|
struct AllocArena {
|
|
|
|
char Signature [ sizeof(HEAPSIG) ];
|
|
char comment[ 32 ];
|
|
CRITICAL_SECTION csExclusive; // ensures single writer
|
|
|
|
struct {
|
|
int KeepStackTrace:1; // are stack records being kept?
|
|
} flags;
|
|
|
|
ULONG cAllocs; // # of non zero Alloc calls
|
|
ULONG czAllocs; // # of Alloc calls w/zero count
|
|
ULONG cFrees; // # of Free calls
|
|
ULONG cReAllocs; // # of realloc calls
|
|
ULONG cMissed; // # of missed stack backtraces
|
|
ULONG cRecords; // index of next free AllocRec entry
|
|
ULONG cBytesNow; // # of bytes currently allocated
|
|
ULONG cBytesTotal; // # of bytes ever allocated
|
|
ULONG cTotalRecords; // Total # of AllocRecs
|
|
ULONG cPaths; // # of distinct allocation paths
|
|
|
|
struct {
|
|
ULONG total[ 32 ]; // total number of allocations
|
|
ULONG now[ 32 ]; // current # of simul allocs
|
|
ULONG simul[ 32 ]; // highest # of simul allocs
|
|
} Histogram;
|
|
|
|
struct HeapAllocRec AllocRec[1]; // vector of records starts here..
|
|
};
|
|
|
|
/*
|
|
* Allocators may want to associate one of these structures with every
|
|
* allocation...
|
|
*/
|
|
struct AHeader {
|
|
struct HeapAllocRec FAR *p;
|
|
size_t size;
|
|
};
|
|
|
|
STDAPI_(struct AllocArena ** )
|
|
AllocArenaAddr( void );
|
|
|
|
STDAPI_( struct AllocArena * )
|
|
AllocArenaCreate( DWORD memctx, char FAR *comment );
|
|
|
|
STDAPI_( struct HeapAllocRec FAR * )
|
|
AllocArenaRecordAlloc( struct AllocArena *paa, size_t bytes );
|
|
|
|
STDAPI_(void)
|
|
AllocArenaRecordReAlloc( struct HeapAllocRec FAR *vp,
|
|
size_t oldbytes, size_t newbytes );
|
|
|
|
STDAPI_(void)
|
|
AllocArenaRecordFree( struct HeapAllocRec FAR *vp, size_t bytes );
|
|
|
|
STDAPI_(void)
|
|
AllocArenaDump( struct AllocArena *paa );
|
|
|
|
STDAPI_( void )
|
|
AllocArenaDumpRecord( struct HeapAllocRec FAR *bp );
|
|
|
|
#endif // ifndef _CAIHEAP_H_
|
|
|