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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/regexp/re-bytecode.c
+4 -4
View File
@@ -54,11 +54,11 @@ re_realloc_regexp_bytecode_block (re_bytecode_ctx_t *bc_ctx_p) /**< RegExp bytec
JERRY_ASSERT (bc_ctx_p->current_p >= bc_ctx_p->block_start_p);
size_t current_ptr_offset = (size_t) (bc_ctx_p->current_p - bc_ctx_p->block_start_p);
uint8_t *new_block_start_p = (uint8_t *) mem_heap_alloc_block_store_size (new_block_size);
uint8_t *new_block_start_p = (uint8_t *) mem_heap_alloc_block (new_block_size);
if (bc_ctx_p->current_p)
{
memcpy (new_block_start_p, bc_ctx_p->block_start_p, (size_t) (current_ptr_offset));
mem_heap_free_block_size_stored (bc_ctx_p->block_start_p);
mem_heap_free_block (bc_ctx_p->block_start_p, old_size);
}
bc_ctx_p->block_start_p = new_block_start_p;
bc_ctx_p->block_end_p = new_block_start_p + new_block_size;
@@ -109,10 +109,10 @@ re_bytecode_list_insert (re_bytecode_ctx_t *bc_ctx_p, /**< RegExp bytecode conte
{
uint8_t *dest_p = src_p + length;
uint8_t *tmp_block_start_p;
tmp_block_start_p = (uint8_t *) mem_heap_alloc_block_store_size (re_get_bytecode_length (bc_ctx_p) - offset);
tmp_block_start_p = (uint8_t *) mem_heap_alloc_block (re_get_bytecode_length (bc_ctx_p) - offset);
memcpy (tmp_block_start_p, src_p, (size_t) (re_get_bytecode_length (bc_ctx_p) - offset));
memcpy (dest_p, tmp_block_start_p, (size_t) (re_get_bytecode_length (bc_ctx_p) - offset));
mem_heap_free_block_size_stored (tmp_block_start_p);
mem_heap_free_block (tmp_block_start_p, re_get_bytecode_length (bc_ctx_p) - offset);
}
memcpy (src_p, bytecode_p, length);