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Storing byte code size in the byte code header. This reduces the

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memory consumption, because the new allocator uses less memory if
the size as available when a block is freed. Snapshot generation
is also simplified.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2016-03-16 02:57:28 -07:00
parent 2a5d17e736
commit d190ca44ae
19 changed files with 265 additions and 338 deletions
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jerry-core/parser/js/js-parser-mem.c
+24 -16
View File
@@ -34,12 +34,12 @@
*/
void *
parser_malloc (parser_context_t *context_p, /**< context */
size_t size) /**< size of the memory */
size_t size) /**< size of the memory block */
{
void *result;
JERRY_ASSERT (size > 0);
result = PARSER_MALLOC (size);
result = mem_heap_alloc_block (size);
if (result == 0)
{
parser_raise_error (context_p, PARSER_ERR_OUT_OF_MEMORY);
@@ -50,9 +50,10 @@ parser_malloc (parser_context_t *context_p, /**< context */
/**
* Free memory allocated by parser_malloc.
*/
void parser_free (void *ptr) /**< pointer to free */
void parser_free (void *ptr, /**< pointer to free */
size_t size) /**< size of the memory block */
{
PARSER_FREE (ptr);
mem_heap_free_block (ptr, size);
} /* parser_free */
/**
@@ -67,7 +68,7 @@ parser_malloc_local (parser_context_t *context_p, /**< context */
void *result;
JERRY_ASSERT (size > 0);
result = PARSER_MALLOC_LOCAL (size);
result = mem_heap_alloc_block (size);
if (result == 0)
{
parser_raise_error (context_p, PARSER_ERR_OUT_OF_MEMORY);
@@ -78,9 +79,10 @@ parser_malloc_local (parser_context_t *context_p, /**< context */
/**
* Free memory allocated by parser_malloc_local.
*/
void parser_free_local (void *ptr) /**< pointer to free */
void parser_free_local (void *ptr, /**< pointer to free */
size_t size) /**< size of the memory */
{
PARSER_FREE_LOCAL (ptr);
mem_heap_free_block (ptr, size);
} /* parser_free_local */
/**********************************************************************/
@@ -103,7 +105,8 @@ parser_data_init (parser_mem_data_t *data_p, /**< memory manager */
* Free parse data.
*/
static void
parser_data_free (parser_mem_data_t *data_p) /**< memory manager */
parser_data_free (parser_mem_data_t *data_p, /**< memory manager */
uint32_t page_size) /**< size of each page */
{
parser_mem_page_t *page_p = data_p->first_p;
@@ -111,7 +114,7 @@ parser_data_free (parser_mem_data_t *data_p) /**< memory manager */
{
parser_mem_page_t *next_p = page_p->next_p;
parser_free (page_p);
parser_free (page_p, page_size);
page_p = next_p;
}
} /* parser_data_free */
@@ -135,7 +138,8 @@ parser_cbc_stream_init (parser_mem_data_t *data_p) /**< memory manager */
void
parser_cbc_stream_free (parser_mem_data_t *data_p) /**< memory manager */
{
parser_data_free (data_p);
parser_data_free (data_p,
sizeof (parser_mem_page_t *) + PARSER_CBC_STREAM_PAGE_SIZE);
} /* parser_cbc_stream_free */
/**
@@ -188,7 +192,8 @@ parser_list_init (parser_list_t *list_p, /**< parser list */
void
parser_list_free (parser_list_t *list_p) /**< parser list */
{
parser_data_free (&list_p->data);
parser_data_free (&list_p->data,
(uint32_t) (sizeof (parser_mem_page_t *) + list_p->page_size));
} /* parser_list_free */
/**
@@ -330,11 +335,13 @@ parser_stack_init (parser_context_t *context_p) /**< context */
void
parser_stack_free (parser_context_t *context_p) /**< context */
{
parser_data_free (&context_p->stack);
parser_data_free (&context_p->stack,
sizeof (parser_mem_page_t *) + PARSER_STACK_PAGE_SIZE);
if (context_p->free_page_p != NULL)
{
parser_free (context_p->free_page_p);
parser_free (context_p->free_page_p,
sizeof (parser_mem_page_t *) + PARSER_STACK_PAGE_SIZE);
}
} /* parser_stack_free */
@@ -363,7 +370,6 @@ parser_stack_push_uint8 (parser_context_t *context_p, /**< context */
else
{
size_t size = sizeof (parser_mem_page_t *) + PARSER_STACK_PAGE_SIZE;
page_p = (parser_mem_page_t *) parser_malloc (context_p, size);
}
@@ -400,7 +406,8 @@ parser_stack_pop_uint8 (parser_context_t *context_p) /**< context */
}
else
{
parser_free (page_p);
parser_free (page_p,
sizeof (parser_mem_page_t *) + PARSER_STACK_PAGE_SIZE);
}
page_p = context_p->stack.first_p;
@@ -575,7 +582,8 @@ parser_stack_pop (parser_context_t *context_p, /**< context */
}
else
{
parser_free (page_p);
parser_free (page_p,
sizeof (parser_mem_page_t *) + PARSER_STACK_PAGE_SIZE);
}
} /* parser_stack_pop */