jerryscript/src/liballocator/mem-allocator.h

61 lines
1.5 KiB
C

/* Copyright 2014 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/** \addtogroup mem Memory allocation
* @{
*/
/**
* Allocator interface
*/
#ifndef JERRY_MEM_ALLOCATOR_H
#define JERRY_MEM_ALLOCATOR_H
#include "globals.h"
#include "mem-config.h"
#include "mem-heap.h"
#include "mem-poolman.h"
/**
* Representation of NULL value for compressed pointers
*/
#define MEM_COMPRESSED_POINTER_NULL 0
/**
* Required alignment for allocated units/blocks
*/
#define MEM_ALIGNMENT (1 << MEM_ALIGNMENT_LOG)
/**
* Width of compressed memory pointer
*/
#define MEM_COMPRESSED_POINTER_WIDTH (MEM_HEAP_OFFSET_LOG - MEM_ALIGNMENT_LOG)
extern void mem_init (void);
extern void mem_finalize (bool is_show_mem_stats);
extern uintptr_t mem_compress_pointer (void *pointer);
extern void* mem_decompress_pointer (uintptr_t compressed_pointer);
#ifndef JERRY_NDEBUG
extern bool mem_is_heap_pointer (void *pointer);
#endif /* !JERRY_NDEBUG */
#endif /* !JERRY_MEM_ALLOCATOR_H */
/**
* @}
*/