7 #ifndef OM_ALLOC_SYSTEM_C 8 #define OM_ALLOC_SYSTEM_C 15 #include "omDefaultConfig.h" 21 #define OM_MALLOC_FROM_SYSTEM OM_MALLOC_MALLOC 22 #define OM_REALLOC_FROM_SYSTEM OM_MALLOC_REALLOC 23 #define OM_FREE_TO_SYSTEM OM_MALLOC_FREE 31 #if defined(HAVE_MALLOC_SIZE) 32 #include <malloc/malloc.h> 33 #define _omSizeOfLargeAddr(addr) (malloc_size(addr)) 34 #elif defined(HAVE_MALLOC_USABLE_SIZE) 35 #define _omSizeOfLargeAddr(addr) (malloc_usable_size(addr)) 42 *((
size_t*) addr) =
size;
43 return (
void *)(addr + SIZEOF_STRICT_ALIGNMENT);
53 new_size = OM_ALIGN_SIZE(new_size);
54 _old_addr = (
char *)old_addr - SIZEOF_STRICT_ALIGNMENT;
56 *((
size_t*) _old_addr) + SIZEOF_STRICT_ALIGNMENT,
57 new_size + SIZEOF_STRICT_ALIGNMENT);
58 *((
size_t*) new_addr) = new_size;
59 return (
void *)(new_addr + SIZEOF_STRICT_ALIGNMENT);
64 char* _addr = (
char *)addr - SIZEOF_STRICT_ALIGNMENT;
68 #define _omSizeOfLargeAddr(addr) (*((size_t*) ((char*) addr - SIZEOF_STRICT_ALIGNMENT))) 75 memset(addr, 0,
size);
90 if (new_size > old_size)
91 memset(new_addr + old_size, 0, new_size - old_size);
92 return (
void *)new_addr;
130 #ifdef OM_HAVE_VALLOC_MMAP 134 #define OM_VALLOC_FROM_SYSTEM omVallocMmap 135 #define OM_VFREE_TO_SYSTEM omVfreeMmap 137 #elif defined(OM_HAVE_VALLOC_MALLOC) 139 #define OM_VALLOC_FROM_SYSTEM OM_MALLOC_VALLOC 140 #define OM_VFREE_TO_SYSTEM OM_MALLOC_VFREE 144 #define OM_VALLOC_FROM_SYSTEM omEmulateValloc 145 #define OM_VFREE_TO_SYSTEM omEmulateVfree 147 #define OM_ALIGN_PAGE(addr) ( ((long)addr + (SIZEOF_SYSTEM_PAGE -1)) & ~(SIZEOF_SYSTEM_PAGE - 1)) 152 size_t padding = SIZEOF_VOIDP;
158 if ((
OM_ALIGN_PAGE(addr) + SIZEOF_VOIDP) - (
long) addr <= padding)
161 *((
void**) ((
void*) ret_addr +
size)) = addr;
167 padding = padding << 1;
191 OM_MEMORY_LOW_HOOK();
195 OM_OUT_OF_MEMORY_HOOK();
212 #if defined(OM_HAVE_VALLOC_MMAP) && defined(OM_MALLOC_MAX_BYTES_SYSTEM) 213 if (
om_Info.CurrentBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM >
om_Info.MaxBytesSystem)
214 om_Info.MaxBytesSystem =
om_Info.CurrentBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM;
216 #if defined(HAVE_SBRK) && !defined(OM_MALLOC_MAX_BYTES_SBRK) 219 #ifndef OM_HAVE_VALLOC_MMAP
220 +
om_Info.CurrentBytesFromValloc
228 OM_MALLOC_HOOK(
size);
245 OM_MEMORY_LOW_HOOK();
252 OM_OUT_OF_MEMORY_HOOK();
267 om_Info.CurrentBytesFromMalloc += (long) newsize - (
long) oldsize;
273 #if defined(OM_HAVE_VALLOC_MMAP) && defined(OM_MALLOC_MAX_BYTES_SYSTEM) 274 if (
om_Info.CurrentBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM >
om_Info.MaxBytesSystem)
275 om_Info.MaxBytesSystem =
om_Info.CurrentBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM;
277 #if defined(HAVE_SBRK) && !defined(OM_MALLOC_MAX_BYTES_SBRK) 279 #ifndef OM_HAVE_VALLOC_MMAP
280 +
om_Info.CurrentBytesFromValloc
289 OM_REALLOC_HOOK(oldsize, newsize);
310 OM_MEMORY_LOW_HOOK();
314 if (fail)
return NULL;
317 OM_OUT_OF_MEMORY_HOOK();
337 #if defined(OM_HAVE_VALLOC_MMAP) && defined(OM_MALLOC_MAX_BYTES_SYSTEM) 338 if (
om_Info.MaxBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM >
om_Info.MaxBytesSystem)
339 om_Info.MaxBytesSystem =
om_Info.MaxBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM;
341 #if defined(HAVE_SBRK) && !defined(OM_HAVE_VALLOC_MMAP) && !defined(OM_MALLOC_MAX_BYTES_SBRK) 347 +
om_Info.CurrentBytesFromValloc);
351 OM_VALLOC_HOOK(
size);
#define OM_MALLOC_FROM_SYSTEM
void * omAllocFromSystem(size_t size)
unsigned long om_SbrkInit
#define OM_ALIGN_PAGE(addr)
#define OM_VALLOC_FROM_SYSTEM
void * omReallocSizeFromSystem(void *addr, size_t oldsize, size_t newsize)
size_t omSizeOfAddr(const void *addr)
void omFreeLarge(void *addr)
void omEmulateVfree(void *addr, size_t size)
void * omEmulateValloc(size_t size)
size_t omSizeOfLargeAddr(void *addr)
size_t omSizeWOfAddr(void *addr)
void * _omVallocFromSystem(size_t size, int fail)
#define _omSizeOfLargeAddr(addr)
void * omAllocLarge(size_t size)
void * omReallocLarge(void *old_addr, size_t new_size)
#define OM_REALLOC_FROM_SYSTEM
void omFreeSizeToSystem(void *addr, size_t size)
#define omIsBinAddrTrackAddr(addr)
void * omReallocFromSystem(void *addr, size_t newsize)
void omVfreeToSystem(void *page, size_t size)
#define omSizeWOfBinAddr(addr)
#define OM_VFREE_TO_SYSTEM
#define omSizeOfBinAddr(addr)
void * omRealloc0Large(void *old_addr, size_t new_size)
#define omIsBinPageAddr(addr)
void * omAlloc0Large(size_t size)
void omFreeToSystem(void *addr)
#define omIsAddrPageAligned(addr)
#define OM_FREE_TO_SYSTEM