mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
d1b0b58729
Zero out all globals (and remove unnecessary init() functions). Move snapshot globals to a temporary stack variable. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
143 lines
3.5 KiB
C
143 lines
3.5 KiB
C
/* Copyright 2014-2016 Samsung Electronics Co., Ltd.
|
|
* Copyright 2016 University of Szeged.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* Allocator implementation
|
|
*/
|
|
|
|
#include "jcontext.h"
|
|
#include "jmem-allocator.h"
|
|
#include "jmem-heap.h"
|
|
#include "jmem-poolman.h"
|
|
#include "jrt-libc-includes.h"
|
|
|
|
#define JMEM_ALLOCATOR_INTERNAL
|
|
#include "jmem-allocator-internal.h"
|
|
|
|
/**
|
|
* Initialize memory allocators.
|
|
*/
|
|
void
|
|
jmem_init (void)
|
|
{
|
|
jmem_heap_init ();
|
|
} /* jmem_init */
|
|
|
|
/**
|
|
* Finalize memory allocators.
|
|
*/
|
|
void
|
|
jmem_finalize (bool is_show_mem_stats) /**< show heap memory stats
|
|
before finalization? */
|
|
{
|
|
jmem_pools_finalize ();
|
|
|
|
#ifdef JMEM_STATS
|
|
if (is_show_mem_stats)
|
|
{
|
|
jmem_stats_print ();
|
|
}
|
|
#else /* !JMEM_STATS */
|
|
(void) is_show_mem_stats;
|
|
#endif /* JMEM_STATS */
|
|
|
|
jmem_heap_finalize ();
|
|
} /* jmem_finalize */
|
|
|
|
/**
|
|
* Compress pointer
|
|
*
|
|
* @return packed pointer
|
|
*/
|
|
uintptr_t
|
|
jmem_compress_pointer (const void *pointer_p) /**< pointer to compress */
|
|
{
|
|
JERRY_ASSERT (jmem_is_heap_pointer (pointer_p));
|
|
|
|
return jmem_heap_compress_pointer (pointer_p);
|
|
} /* jmem_compress_pointer */
|
|
|
|
/**
|
|
* Decompress pointer
|
|
*
|
|
* @return unpacked pointer
|
|
*/
|
|
void *
|
|
jmem_decompress_pointer (uintptr_t compressed_pointer) /**< pointer to decompress */
|
|
{
|
|
return jmem_heap_decompress_pointer (compressed_pointer);
|
|
} /* jmem_decompress_pointer */
|
|
|
|
/**
|
|
* Register specified 'try to give memory back' callback routine
|
|
*/
|
|
void
|
|
jmem_register_free_unused_memory_callback (jmem_free_unused_memory_callback_t callback) /**< callback routine */
|
|
{
|
|
/* Currently only one callback is supported */
|
|
JERRY_ASSERT (JERRY_CONTEXT (jmem_free_unused_memory_callback) == NULL);
|
|
|
|
JERRY_CONTEXT (jmem_free_unused_memory_callback) = callback;
|
|
} /* jmem_register_free_unused_memory_callback */
|
|
|
|
/**
|
|
* Unregister specified 'try to give memory back' callback routine
|
|
*/
|
|
void
|
|
jmem_unregister_free_unused_memory_callback (jmem_free_unused_memory_callback_t callback) /**< callback routine */
|
|
{
|
|
/* Currently only one callback is supported */
|
|
JERRY_ASSERT (JERRY_CONTEXT (jmem_free_unused_memory_callback) == callback);
|
|
|
|
JERRY_CONTEXT (jmem_free_unused_memory_callback) = NULL;
|
|
} /* jmem_unregister_free_unused_memory_callback */
|
|
|
|
/**
|
|
* Run 'try to give memory back' callbacks with specified severity
|
|
*/
|
|
void
|
|
jmem_run_free_unused_memory_callbacks (jmem_free_unused_memory_severity_t severity) /**< severity of the request */
|
|
{
|
|
if (JERRY_CONTEXT (jmem_free_unused_memory_callback) != NULL)
|
|
{
|
|
JERRY_CONTEXT (jmem_free_unused_memory_callback) (severity);
|
|
}
|
|
|
|
jmem_pools_collect_empty ();
|
|
} /* jmem_run_free_unused_memory_callbacks */
|
|
|
|
#ifdef JMEM_STATS
|
|
/**
|
|
* Reset peak values in memory usage statistics
|
|
*/
|
|
void
|
|
jmem_stats_reset_peak (void)
|
|
{
|
|
jmem_heap_stats_reset_peak ();
|
|
jmem_pools_stats_reset_peak ();
|
|
} /* jmem_stats_reset_peak */
|
|
|
|
/**
|
|
* Print memory usage statistics
|
|
*/
|
|
void
|
|
jmem_stats_print (void)
|
|
{
|
|
jmem_heap_stats_print ();
|
|
jmem_pools_stats_print ();
|
|
} /* jmem_stats_print */
|
|
#endif /* JMEM_STATS */
|