X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=zone.h;h=a78372267114d9a61836774fd566914b674c3d6e;hp=3396707c4091dbaea0b5e05edc664753982a090f;hb=8507719df58bf767983c92ecfa32a70090bf501e;hpb=99dc7490c17b02fd914d2a0c021753a42acde35d diff --git a/zone.h b/zone.h index 3396707c..a7837226 100644 --- a/zone.h +++ b/zone.h @@ -21,121 +21,135 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #ifndef ZONE_H #define ZONE_H -// LordHavoc: this is pointless with a good C library -//#define MEMCLUMPING +#include +#include "qtypes.h" +#include "qdefs.h" -#define POOLNAMESIZE 128 -#if MEMCLUMPING -// give malloc padding so we can't waste most of a page at the end -#define MEMCLUMPSIZE (65536 - 1536) -// smallest unit we care about is this many bytes -#define MEMUNIT 8 -#define MEMBITS (MEMCLUMPSIZE / MEMUNIT) -#define MEMBITINTS (MEMBITS / 32) -#define MEMCLUMP_SENTINEL 0xABADCAFE -#endif +extern qbool mem_bigendian; + +// div0: heap overflow detection paranoia +#define MEMPARANOIA 0 -#define MEMHEADER_SENTINEL1 0xDEADF00D -#define MEMHEADER_SENTINEL2 0xDF +#define POOLNAMESIZE 128 +// if set this pool will be printed in memlist reports +#define POOLFLAG_TEMP 1 typedef struct memheader_s { + // address returned by Chunk_Alloc (may be significantly before this header to satisify alignment) + void *baseaddress; // next and previous memheaders in chain belonging to pool struct memheader_s *next; struct memheader_s *prev; // pool this memheader belongs to struct mempool_s *pool; -#if MEMCLUMPING - // clump this memheader lives in, NULL if not in a clump - struct memclump_s *clump; -#endif // size of the memory after the header (excluding header and sentinel2) - int size; + size_t size; // file name and line where Mem_Alloc was called - char *filename; + const char *filename; int fileline; - // should always be MEMHEADER_SENTINEL1 - int sentinel1; - // immediately followed by data, which is followed by a MEMHEADER_SENTINEL2 byte + // should always be equal to MEMHEADER_SENTINEL_FOR_ADDRESS() + unsigned int sentinel; + // immediately followed by data, which is followed by another copy of mem_sentinel[] } memheader_t; -#if MEMCLUMPING -typedef struct memclump_s -{ - // contents of the clump - qbyte block[MEMCLUMPSIZE]; - // should always be MEMCLUMP_SENTINEL - int sentinel1; - // if a bit is on, it means that the MEMUNIT bytes it represents are - // allocated, otherwise free - int bits[MEMBITINTS]; - // should always be MEMCLUMP_SENTINEL - int sentinel2; - // if this drops to 0, the clump is freed - int blocksinuse; - // largest block of memory available (this is reset to an optimistic - // number when anything is freed, and updated when alloc fails the clump) - int largestavailable; - // next clump in the chain - struct memclump_s *chain; -} -memclump_t; -#endif - typedef struct mempool_s { - // should always be MEMHEADER_SENTINEL1 - int sentinel1; + // should always be MEMPOOL_SENTINEL + unsigned int sentinel1; // chain of individual memory allocations struct memheader_s *chain; -#if MEMCLUMPING - // chain of clumps (if any) - struct memclump_s *clumpchain; -#endif + // POOLFLAG_* + int flags; // total memory allocated in this pool (inside memheaders) - int totalsize; + size_t totalsize; // total memory allocated in this pool (actual malloc total) - int realsize; + size_t realsize; // updated each time the pool is displayed by memlist, shows change from previous time (unless pool was freed) - int lastchecksize; - // name of the pool - char name[POOLNAMESIZE]; + size_t lastchecksize; // linked into global mempool list struct mempool_s *next; + // parent object (used for nested memory pools) + struct mempool_s *parent; // file name and line where Mem_AllocPool was called - char *filename; + const char *filename; int fileline; - // should always be MEMHEADER_SENTINEL1 - int sentinel2; + // name of the pool + char name[POOLNAMESIZE]; + // should always be MEMPOOL_SENTINEL + unsigned int sentinel2; } mempool_t; -#define Mem_Alloc(pool,size) _Mem_Alloc(pool, size, __FILE__, __LINE__) +#define Mem_Alloc(pool,size) _Mem_Alloc(pool, NULL, size, 16, __FILE__, __LINE__) +#define Mem_Memalign(pool,alignment,size) _Mem_Alloc(pool, NULL, size, alignment, __FILE__, __LINE__) +#define Mem_Realloc(pool,data,size) _Mem_Alloc(pool, data, size, 16, __FILE__, __LINE__) #define Mem_Free(mem) _Mem_Free(mem, __FILE__, __LINE__) #define Mem_CheckSentinels(data) _Mem_CheckSentinels(data, __FILE__, __LINE__) -#define Mem_CheckSentinelsGlobal() _Mem_CheckSentinelsGlobal(__FILE__, __LINE__) -#define Mem_AllocPool(name) _Mem_AllocPool(name, __FILE__, __LINE__) +#if MEMPARANOIA +#define Mem_CheckSentinelsGlobal() _Mem_CheckSentinelsGlobal(__FILE__, __LINE__) +#else +#define Mem_CheckSentinelsGlobal() if(developer_memorydebug.integer) { _Mem_CheckSentinelsGlobal(__FILE__, __LINE__); } +#endif +#define Mem_AllocPool(name, flags, parent) _Mem_AllocPool(name, flags, parent, __FILE__, __LINE__) #define Mem_FreePool(pool) _Mem_FreePool(pool, __FILE__, __LINE__) #define Mem_EmptyPool(pool) _Mem_EmptyPool(pool, __FILE__, __LINE__) -void *_Mem_Alloc(mempool_t *pool, int size, char *filename, int fileline); -void _Mem_Free(void *data, char *filename, int fileline); -mempool_t *_Mem_AllocPool(char *name, char *filename, int fileline); -void _Mem_FreePool(mempool_t **pool, char *filename, int fileline); -void _Mem_EmptyPool(mempool_t *pool, char *filename, int fileline); -void _Mem_CheckSentinels(void *data, char *filename, int fileline); -void _Mem_CheckSentinelsGlobal(char *filename, int fileline); +void *_Mem_Alloc(mempool_t *pool, void *data, size_t size, size_t alignment, const char *filename, int fileline); +void _Mem_Free(void *data, const char *filename, int fileline); +mempool_t *_Mem_AllocPool(const char *name, int flags, mempool_t *parent, const char *filename, int fileline); +void _Mem_FreePool(mempool_t **pool, const char *filename, int fileline); +void _Mem_EmptyPool(mempool_t *pool, const char *filename, int fileline); +void _Mem_CheckSentinels(void *data, const char *filename, int fileline); +void _Mem_CheckSentinelsGlobal(const char *filename, int fileline); +// if pool is NULL this searches ALL pools for the allocation +qbool Mem_IsAllocated(mempool_t *pool, void *data); + +char* Mem_strdup (mempool_t *pool, const char* s); + +typedef struct memexpandablearray_array_s +{ + unsigned char *data; + unsigned char *allocflags; + size_t numflaggedrecords; +} +memexpandablearray_array_t; + +typedef struct memexpandablearray_s +{ + mempool_t *mempool; + size_t recordsize; + size_t numrecordsperarray; + size_t numarrays; + size_t maxarrays; + memexpandablearray_array_t *arrays; +} +memexpandablearray_t; + +void Mem_ExpandableArray_NewArray(memexpandablearray_t *l, mempool_t *mempool, size_t recordsize, int numrecordsperarray); +void Mem_ExpandableArray_FreeArray(memexpandablearray_t *l); +void *Mem_ExpandableArray_AllocRecord(memexpandablearray_t *l); +void Mem_ExpandableArray_FreeRecord(memexpandablearray_t *l, void *record); +size_t Mem_ExpandableArray_IndexRange(const memexpandablearray_t *l) DP_FUNC_PURE; +void *Mem_ExpandableArray_RecordAtIndex(const memexpandablearray_t *l, size_t index) DP_FUNC_PURE; // used for temporary allocations -mempool_t *tempmempool; +extern mempool_t *tempmempool; void Memory_Init (void); +void Memory_Shutdown (void); void Memory_Init_Commands (void); extern mempool_t *zonemempool; -#define Z_Malloc(size) Mem_Alloc(zonemempool,size) +#define Z_Malloc(size) Mem_Alloc(zonemempool, size) +#define Z_Realloc(data, size) Mem_Realloc(zonemempool, data, size) +#define Z_strdup(s) Mem_strdup(zonemempool, s) #define Z_Free(data) Mem_Free(data) +extern struct cvar_s developer_memory; +extern struct cvar_s developer_memorydebug; +extern struct cvar_s developer_memoryreportlargerthanmb; + #endif