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/* Copyright JS Foundation and other contributors, http://js.foundation
*
* 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.
*/
#include "ecma-alloc.h"
#include "ecma-gc.h"
#include "ecma-globals.h"
#include "jmem.h"
#include "jrt.h"
JERRY_STATIC_ASSERT (sizeof (ecma_property_value_t) == sizeof (ecma_value_t),
size_of_ecma_property_value_t_must_be_equal_to_size_of_ecma_value_t);
JERRY_STATIC_ASSERT (((sizeof (ecma_property_value_t) - 1) & sizeof (ecma_property_value_t)) == 0,
size_of_ecma_property_value_t_must_be_power_of_2);
JERRY_STATIC_ASSERT (sizeof (ecma_extended_object_t) - sizeof (ecma_object_t) <= sizeof (uint64_t),
size_of_ecma_extended_object_part_must_be_less_than_or_equal_to_8_bytes);
/** \addtogroup ecma ECMA
* @{
*
* \addtogroup ecmaalloc Routines for allocation/freeing memory for ECMA data types
* @{
*/
/**
* Implementation of routines for allocation/freeing memory for ECMA data types.
*
* All allocation routines from this module have the same structure:
* 1. Try to allocate memory.
* 2. If allocation was successful, return pointer to the allocated block.
* 3. Run garbage collection.
* 4. Try to allocate memory.
* 5. If allocation was successful, return pointer to the allocated block;
* else - shutdown engine.
*/
/**
* Allocate memory for ecma-number
*
* @return pointer to allocated memory
*/
extern inline ecma_number_t *JERRY_ATTR_ALWAYS_INLINE
ecma_alloc_number (void)
{
return (ecma_number_t *) jmem_pools_alloc (sizeof (ecma_number_t));
} /* ecma_alloc_number */
/**
* Dealloc memory from an ecma-number
*
* @return void
*/
extern inline void JERRY_ATTR_ALWAYS_INLINE
ecma_dealloc_number (ecma_number_t *number_p) /**< number to be freed */
{
jmem_pools_free ((uint8_t *) number_p, sizeof (ecma_number_t));
} /* ecma_dealloc_number */
/**
* Allocate memory for ecma-object
*
* @return pointer to allocated memory
*/
extern inline ecma_object_t *JERRY_ATTR_ALWAYS_INLINE
ecma_alloc_object (void)
{
#if JERRY_MEM_STATS
jmem_stats_allocate_object_bytes (sizeof (ecma_object_t));
#endif /* JERRY_MEM_STATS */
return (ecma_object_t *) jmem_pools_alloc (sizeof (ecma_object_t));
} /* ecma_alloc_object */
/**
* Dealloc memory from an ecma-object
*
* @return void
*/
extern inline void JERRY_ATTR_ALWAYS_INLINE
ecma_dealloc_object (ecma_object_t *object_p) /**< object to be freed */
{
#if JERRY_MEM_STATS
jmem_stats_free_object_bytes (sizeof (ecma_object_t));
#endif /* JERRY_MEM_STATS */
jmem_pools_free (object_p, sizeof (ecma_object_t));
} /* ecma_dealloc_object */
/**
* Allocate memory for extended object
*
* @return pointer to allocated memory
*/
extern inline ecma_extended_object_t *JERRY_ATTR_ALWAYS_INLINE
ecma_alloc_extended_object (size_t size) /**< size of object */
{
#if JERRY_MEM_STATS
jmem_stats_allocate_object_bytes (size);
#endif /* JERRY_MEM_STATS */
return jmem_heap_alloc_block (size);
} /* ecma_alloc_extended_object */
/**
* Dealloc memory of an extended object
*
* @return void
*/
extern inline void JERRY_ATTR_ALWAYS_INLINE
ecma_dealloc_extended_object (ecma_object_t *object_p, /**< extended object */
size_t size) /**< size of object */
{
#if JERRY_MEM_STATS
jmem_stats_free_object_bytes (size);
#endif /* JERRY_MEM_STATS */
jmem_heap_free_block (object_p, size);
} /* ecma_dealloc_extended_object */
/**
* Allocate memory for ecma-string descriptor
*
* @return pointer to allocated memory
*/
extern inline ecma_string_t *JERRY_ATTR_ALWAYS_INLINE
ecma_alloc_string (void)
{
#if JERRY_MEM_STATS
jmem_stats_allocate_string_bytes (sizeof (ecma_string_t));
#endif /* JERRY_MEM_STATS */
return (ecma_string_t *) jmem_pools_alloc (sizeof (ecma_string_t));
} /* ecma_alloc_string */
/**
* Dealloc memory from ecma-string descriptor
*
* @return void
*/
extern inline void JERRY_ATTR_ALWAYS_INLINE
ecma_dealloc_string (ecma_string_t *string_p) /**< string to be freed */
{
#if JERRY_MEM_STATS
jmem_stats_free_string_bytes (sizeof (ecma_string_t));
#endif /* JERRY_MEM_STATS */
jmem_pools_free (string_p, sizeof (ecma_string_t));
} /* ecma_dealloc_string */
/**
* Allocate memory for extended ecma-string descriptor
*
* @return pointer to allocated memory
*/
extern inline ecma_extended_string_t *JERRY_ATTR_ALWAYS_INLINE
ecma_alloc_extended_string (void)
{
#if JERRY_MEM_STATS
jmem_stats_allocate_string_bytes (sizeof (ecma_extended_string_t));
#endif /* JERRY_MEM_STATS */
return (ecma_extended_string_t *) jmem_heap_alloc_block (sizeof (ecma_extended_string_t));
} /* ecma_alloc_extended_string */
/**
* Dealloc memory from extended ecma-string descriptor
*
* @return void
*/
extern inline void JERRY_ATTR_ALWAYS_INLINE
ecma_dealloc_extended_string (ecma_extended_string_t *ext_string_p) /**< extended string to be freed */
{
#if JERRY_MEM_STATS
jmem_stats_free_string_bytes (sizeof (ecma_extended_string_t));
#endif /* JERRY_MEM_STATS */
jmem_heap_free_block (ext_string_p, sizeof (ecma_extended_string_t));
} /* ecma_dealloc_extended_string */
/**
* Allocate memory for external ecma-string descriptor
*
* @return pointer to allocated memory
*/
extern inline ecma_external_string_t *JERRY_ATTR_ALWAYS_INLINE
ecma_alloc_external_string (void)
{
#if JERRY_MEM_STATS
jmem_stats_allocate_string_bytes (sizeof (ecma_external_string_t));
#endif /* JERRY_MEM_STATS */
return (ecma_external_string_t *) jmem_heap_alloc_block (sizeof (ecma_external_string_t));
} /* ecma_alloc_external_string */
/**
* Dealloc memory from external ecma-string descriptor
*
* @return void
*/
extern inline void JERRY_ATTR_ALWAYS_INLINE
ecma_dealloc_external_string (ecma_external_string_t *ext_string_p) /**< external string to be freed */
{
#if JERRY_MEM_STATS
jmem_stats_free_string_bytes (sizeof (ecma_external_string_t));
#endif /* JERRY_MEM_STATS */
jmem_heap_free_block (ext_string_p, sizeof (ecma_external_string_t));
} /* ecma_dealloc_external_string */
/**
* Allocate memory for an string with character data
*
* @return pointer to allocated memory
*/
extern inline ecma_string_t *JERRY_ATTR_ALWAYS_INLINE
ecma_alloc_string_buffer (size_t size) /**< size of string */
{
#if JERRY_MEM_STATS
jmem_stats_allocate_string_bytes (size);
#endif /* JERRY_MEM_STATS */
return jmem_heap_alloc_block (size);
} /* ecma_alloc_string_buffer */
/**
* Dealloc memory of a string with character data
*
* @return void
*/
extern inline void JERRY_ATTR_ALWAYS_INLINE
ecma_dealloc_string_buffer (ecma_string_t *string_p, /**< string with data */
size_t size) /**< size of string */
{
#if JERRY_MEM_STATS
jmem_stats_free_string_bytes (size);
#endif /* JERRY_MEM_STATS */
jmem_heap_free_block (string_p, size);
} /* ecma_dealloc_string_buffer */
/**
* Allocate memory for ecma-property pair
*
* @return pointer to allocated memory
*/
extern inline ecma_property_pair_t *JERRY_ATTR_ALWAYS_INLINE
ecma_alloc_property_pair (void)
{
#if JERRY_MEM_STATS
jmem_stats_allocate_property_bytes (sizeof (ecma_property_pair_t));
#endif /* JERRY_MEM_STATS */
return jmem_heap_alloc_block (sizeof (ecma_property_pair_t));
} /* ecma_alloc_property_pair */
/**
* Dealloc memory of an ecma-property
*
* @return void
*/
extern inline void JERRY_ATTR_ALWAYS_INLINE
ecma_dealloc_property_pair (ecma_property_pair_t *property_pair_p) /**< property pair to be freed */
{
#if JERRY_MEM_STATS
jmem_stats_free_property_bytes (sizeof (ecma_property_pair_t));
#endif /* JERRY_MEM_STATS */
jmem_heap_free_block (property_pair_p, sizeof (ecma_property_pair_t));
} /* ecma_dealloc_property_pair */
/**
* @}
* @}
*/
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