dist/sljit_src/sljitExecAllocator.c

43    header contains the size of the previous and the next block. These sizes
152 	struct block_header header;
171 	free_block->header.size = 0;
196 	struct block_header *header;
214 				header = AS_BLOCK_HEADER(free_block, chunk_size);
215 				header->prev_size = chunk_size;
216 				AS_BLOCK_HEADER(header, size)->prev_size = size;
220 				header = (struct block_header*)free_block;
224 			header->size = size;
226 			return MEM_START(header);
232 	header = (struct block_header*)alloc_chunk(chunk_size);
233 	if (!header) {
241 	header->prev_size = 0;
245 		header->size = size;
248 		free_block = AS_FREE_BLOCK(header, size);
249 		free_block->header.prev_size = size;
256 		header->size = chunk_size;
257 		next_header = AS_BLOCK_HEADER(header, chunk_size);
262 	return MEM_START(header);
267 	struct block_header *header;
271 	header = AS_BLOCK_HEADER(ptr, -(sljit_sw)sizeof(struct block_header));
272 	allocated_size -= header->size;
276 	/* If header->prev_size == 0, free_block will equal to header.
277 	   In this case, free_block->header.size will be > 0. */
278 	free_block = AS_FREE_BLOCK(header, -(sljit_sw)header->prev_size);
279 	if (SLJIT_UNLIKELY(!free_block->header.size)) {
280 		free_block->size += header->size;
281 		header = AS_BLOCK_HEADER(free_block, free_block->size);
282 		header->prev_size = free_block->size;
285 		free_block = (struct free_block*)header;
286 		sljit_insert_free_block(free_block, header->size);
289 	header = AS_BLOCK_HEADER(free_block, free_block->size);
290 	if (SLJIT_UNLIKELY(!header->size)) {
291 		free_block->size += ((struct free_block*)header)->size;
292 		sljit_remove_free_block((struct free_block*)header);
293 		header = AS_BLOCK_HEADER(free_block, free_block->size);
294 		header->prev_size = free_block->size;
298 	if (SLJIT_UNLIKELY(!free_block->header.prev_size && header->size == 1)) {
320 		if (!free_block->header.prev_size &&