GC_API GC_ATTR_MALLOC void * GC_CALL GC_malloc_atomic(size_t bytes)
{
size_t granules = ROUNDED_UP_GRANULES(bytes);
void *tsd;
void *result;
void **tiny_fl;
# if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC)
GC_key_t k = GC_thread_key;
if (EXPECT(0 == k, FALSE)) {
/* We haven't yet run GC_init_parallel. That means */
/* we also aren't locking, so this is fairly cheap. */
return GC_core_malloc_atomic(bytes);
}
tsd = GC_getspecific(k);
# else
tsd = GC_getspecific(GC_thread_key);
# endif
# if !defined(USE_COMPILER_TLS) && !defined(USE_WIN32_COMPILER_TLS)
if (EXPECT(0 == tsd, FALSE)) {
return GC_core_malloc_atomic(bytes);
}
# endif
GC_ASSERT(GC_is_initialized);
tiny_fl = ((GC_tlfs)tsd) -> ptrfree_freelists;
GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES, PTRFREE,
GC_core_malloc_atomic(bytes), (void)0 /* no init */);
return result;
}
GC_API void * GC_generic_malloc_kind(size_t bytes, int kind)
{
size_t granules = ROUNDED_UP_GRANULES(bytes);
void *tsd;
void *result;
void **tiny_fl;
# if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC)
GC_key_t k = GC_thread_key;
if (EXPECT(0 == k, FALSE)) {
/* We haven't yet run GC_init_parallel. That means */
/* we also aren't locking, so this is fairly cheap. */
return GC_generic_malloc_kind_global(bytes, kind);
}
tsd = GC_getspecific(k);
# else
tsd = GC_getspecific(GC_thread_key);
# endif
# if !defined(USE_COMPILER_TLS) && !defined(USE_WIN32_COMPILER_TLS)
if (EXPECT(0 == tsd, FALSE)) {
return GC_generic_malloc_kind_global(bytes, kind);
}
# endif
GC_ASSERT(GC_is_initialized);
GC_ASSERT(GC_is_thread_tsd_valid(tsd));
tiny_fl = ((GC_tlfs)tsd)->freelists[kind];
GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES,
kind, GC_generic_malloc_kind_global(bytes, kind), obj_link(result) = 0);
return result;
}
GC_API GC_ATTR_MALLOC void * GC_CALL GC_generic_malloc(size_t lb, int k)
{
void * result;
DCL_LOCK_STATE;
if (EXPECT(GC_have_errors, FALSE))
GC_print_all_errors();
GC_INVOKE_FINALIZERS();
GC_DBG_COLLECT_AT_MALLOC(lb);
if (SMALL_OBJ(lb)) {
LOCK();
result = GC_generic_malloc_inner(lb, k);
UNLOCK();
} else {
size_t lg;
size_t lb_rounded;
word n_blocks;
GC_bool init;
lg = ROUNDED_UP_GRANULES(lb);
lb_rounded = GRANULES_TO_BYTES(lg);
if (lb_rounded < lb)
return((*GC_get_oom_fn())(lb));
n_blocks = OBJ_SZ_TO_BLOCKS(lb_rounded);
init = GC_obj_kinds[k].ok_init;
LOCK();
result = (ptr_t)GC_alloc_large(lb_rounded, k, 0);
if (0 != result) {
if (GC_debugging_started) {
BZERO(result, n_blocks * HBLKSIZE);
} else {
# ifdef THREADS
/* Clear any memory that might be used for GC descriptors */
/* before we release the lock. */
((word *)result)[0] = 0;
((word *)result)[1] = 0;
((word *)result)[GRANULES_TO_WORDS(lg)-1] = 0;
((word *)result)[GRANULES_TO_WORDS(lg)-2] = 0;
# endif
}
}
GC_bytes_allocd += lb_rounded;
UNLOCK();
if (init && !GC_debugging_started && 0 != result) {
BZERO(result, n_blocks * HBLKSIZE);
}
}
if (0 == result) {
return((*GC_get_oom_fn())(lb));
} else {
return(result);
}
}
/* collector has been explicitly initialized. */
GC_API GC_ATTR_MALLOC void * GC_CALL GC_gcj_malloc(size_t bytes,
void * ptr_to_struct_containing_descr)
{
if (EXPECT(GC_incremental, FALSE)) {
return GC_core_gcj_malloc(bytes, ptr_to_struct_containing_descr);
} else {
size_t granules = ROUNDED_UP_GRANULES(bytes);
void *result;
void **tiny_fl = ((GC_tlfs)GC_getspecific(GC_thread_key))
-> gcj_freelists;
GC_ASSERT(GC_gcj_malloc_initialized);
GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES,
GC_gcj_kind,
GC_core_gcj_malloc(bytes,
ptr_to_struct_containing_descr),
{AO_compiler_barrier();
*(void **)result = ptr_to_struct_containing_descr;});
GC_API GC_ATTR_MALLOC void * GC_CALL GC_malloc_kind(size_t bytes, int knd)
{
size_t granules;
void *tsd;
void *result;
# if MAXOBJKINDS > THREAD_FREELISTS_KINDS
if (EXPECT(knd >= THREAD_FREELISTS_KINDS, FALSE)) {
return GC_malloc_kind_global(bytes, knd);
}
# endif
# if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC)
{
GC_key_t k = GC_thread_key;
if (EXPECT(0 == k, FALSE)) {
/* We haven't yet run GC_init_parallel. That means */
/* we also aren't locking, so this is fairly cheap. */
return GC_malloc_kind_global(bytes, knd);
}
tsd = GC_getspecific(k);
}
# else
tsd = GC_getspecific(GC_thread_key);
# endif
# if !defined(USE_COMPILER_TLS) && !defined(USE_WIN32_COMPILER_TLS)
if (EXPECT(0 == tsd, FALSE)) {
return GC_malloc_kind_global(bytes, knd);
}
# endif
GC_ASSERT(GC_is_initialized);
GC_ASSERT(GC_is_thread_tsd_valid(tsd));
granules = ROUNDED_UP_GRANULES(bytes);
GC_FAST_MALLOC_GRANS(result, granules,
((GC_tlfs)tsd) -> _freelists[knd], DIRECT_GRANULES,
knd, GC_malloc_kind_global(bytes, knd),
(void)(knd == PTRFREE ? NULL
: (obj_link(result) = 0)));
# ifdef LOG_ALLOCS
GC_log_printf("GC_malloc_kind(%lu, %d) returned %p, recent GC #%lu\n",
(unsigned long)bytes, knd, result,
(unsigned long)GC_gc_no);
# endif
return result;
}
GC_API void * GC_CALL GC_finalized_malloc(size_t client_lb,
const struct GC_finalizer_closure *fclos)
{
size_t lb = client_lb + sizeof(void *);
size_t lg = ROUNDED_UP_GRANULES(lb);
GC_tlfs tsd;
void *result;
void **tiny_fl, **my_fl, *my_entry;
void *next;
if (EXPECT(lg >= GC_TINY_FREELISTS, FALSE))
return GC_core_finalized_malloc(client_lb, fclos);
tsd = GC_getspecific(GC_thread_key);
tiny_fl = tsd->finalized_freelists;
my_fl = tiny_fl + lg;
my_entry = *my_fl;
while (EXPECT((word)my_entry
<= DIRECT_GRANULES + GC_TINY_FREELISTS + 1, FALSE)) {
if ((word)my_entry - 1 < DIRECT_GRANULES) {
*my_fl = (ptr_t)my_entry + lg + 1;
return GC_core_finalized_malloc(client_lb, fclos);
} else {
GC_generic_malloc_many(GC_RAW_BYTES_FROM_INDEX(lg),
GC_finalized_kind, my_fl);
my_entry = *my_fl;
if (my_entry == 0) {
return (*GC_get_oom_fn())(lb);
}
}
}
next = obj_link(my_entry);
result = (void *)my_entry;
*my_fl = next;
obj_link(result) = 0;
((const void **)result)[GRANULES_TO_WORDS(lg) - 1] = fclos;
PREFETCH_FOR_WRITE(next);
return result;
}
GC_API GC_ATTR_MALLOC void * GC_CALL GC_malloc(size_t bytes)
{
size_t granules = ROUNDED_UP_GRANULES(bytes);
void *tsd;
void *result;
void **tiny_fl;
# if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC)
GC_key_t k = GC_thread_key;
if (EXPECT(0 == k, FALSE)) {
/* We haven't yet run GC_init_parallel. That means */
/* we also aren't locking, so this is fairly cheap. */
return GC_core_malloc(bytes);
}
tsd = GC_getspecific(k);
# else
tsd = GC_getspecific(GC_thread_key);
# endif
# if !defined(USE_COMPILER_TLS) && !defined(USE_WIN32_COMPILER_TLS)
if (EXPECT(0 == tsd, FALSE)) {
return GC_core_malloc(bytes);
}
# endif
GC_ASSERT(GC_is_initialized);
GC_ASSERT(GC_is_thread_tsd_valid(tsd));
tiny_fl = ((GC_tlfs)tsd) -> normal_freelists;
GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES,
NORMAL, GC_core_malloc(bytes), obj_link(result)=0);
# ifdef LOG_ALLOCS
GC_log_printf("GC_malloc(%lu) returned %p, recent GC #%lu\n",
(unsigned long)bytes, result, (unsigned long)GC_gc_no);
# endif
return result;
}
