diff options
Diffstat (limited to 'jerry-core/jmem/jmem-heap.c')
| -rw-r--r-- | jerry-core/jmem/jmem-heap.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/jerry-core/jmem/jmem-heap.c b/jerry-core/jmem/jmem-heap.c index ce790a49..fa83605c 100644 --- a/jerry-core/jmem/jmem-heap.c +++ b/jerry-core/jmem/jmem-heap.c @@ -48,7 +48,14 @@ #define JMEM_HEAP_GET_OFFSET_FROM_ADDR(p) ((uint32_t) (p)) #define JMEM_HEAP_GET_ADDR_FROM_OFFSET(u) ((jmem_heap_free_t *) (u)) #else /* !ECMA_VALUE_CAN_STORE_UINTPTR_VALUE_DIRECTLY */ +/** + * Get heap offset from address + */ #define JMEM_HEAP_GET_OFFSET_FROM_ADDR(p) ((uint32_t) ((uint8_t *) (p) -JERRY_HEAP_CONTEXT (area))) + +/** + * Get heap address from offset + */ #define JMEM_HEAP_GET_ADDR_FROM_OFFSET(u) ((jmem_heap_free_t *) (JERRY_HEAP_CONTEXT (area) + (u))) #endif /* ECMA_VALUE_CAN_STORE_UINTPTR_VALUE_DIRECTLY */ /** @@ -302,6 +309,9 @@ jmem_heap_gc_and_alloc_block (const size_t size, /**< required memory size */ /** * Internal method for allocating a memory block. + * + * @return NULL, if the required memory size is 0 or not enough memory, or + * pointer to the allocated memory block, if allocation is successful */ extern inline void *JERRY_ATTR_HOT JERRY_ATTR_ALWAYS_INLINE jmem_heap_alloc_block_internal (const size_t size) /**< required memory size */ @@ -449,10 +459,12 @@ jmem_heap_insert_block (jmem_heap_free_t *block_p, /**< block to insert */ /** * Internal method for freeing a memory block. + * + * @return void */ void JERRY_ATTR_HOT jmem_heap_free_block_internal (void *ptr, /**< pointer to beginning of data space of the block */ - const size_t size) /**< size of allocated region */ + const size_t size /**< size of allocated region */) { JERRY_ASSERT (size > 0); JERRY_ASSERT (JERRY_CONTEXT (jmem_heap_limit) >= JERRY_CONTEXT (jmem_heap_allocated_size)); @@ -683,6 +695,8 @@ jmem_heap_realloc_block (void *ptr, /**< memory region to reallocate */ /** * Free memory block + * + * @return void */ extern inline void JERRY_ATTR_HOT JERRY_ATTR_ALWAYS_INLINE jmem_heap_free_block (void *ptr, /**< pointer to beginning of data space of the block */ |