251 	struct sljit_stack *stack;  in sljit_allocate_stack()  local
280 	stack = (struct sljit_stack*)SLJIT_MALLOC(sizeof(struct sljit_stack), allocator_data);  in sljit_allocate_stack()
281 	if (!stack)  in sljit_allocate_stack()
290 		SLJIT_FREE(stack, allocator_data);  in sljit_allocate_stack()
293 	stack->max_limit = (sljit_u8 *)ptr;  in sljit_allocate_stack()
294 	stack->base = stack->max_limit + max_limit;  in sljit_allocate_stack()
295 	stack->limit = stack->base;  in sljit_allocate_stack()
296 	if (sljit_stack_resize(stack, stack->base - limit)) {  in sljit_allocate_stack()
297 		sljit_free_stack(stack, allocator_data);  in sljit_allocate_stack()
303 		SLJIT_FREE(stack, allocator_data);  in sljit_allocate_stack()
306 	stack->max_limit = (sljit_u8 *)ptr;  in sljit_allocate_stack()
307 	stack->base = stack->max_limit + max_limit;  in sljit_allocate_stack()
308 	stack->limit = stack->base - limit;  in sljit_allocate_stack()
315 			SLJIT_FREE(stack, allocator_data);  in sljit_allocate_stack()
322 		SLJIT_FREE(stack, allocator_data);  in sljit_allocate_stack()
325 	stack->max_limit = (sljit_u8 *)ptr;  in sljit_allocate_stack()
326 	stack->base = stack->max_limit + max_limit;  in sljit_allocate_stack()
327 	stack->limit = stack->base - limit;  in sljit_allocate_stack()
329 	stack->top = stack->base;  in sljit_allocate_stack()
330 	return stack;  in sljit_allocate_stack()
335 SLJIT_API_FUNC_ATTRIBUTE void SLJIT_CALL sljit_free_stack(struct sljit_stack *stack, void *allocato…  in sljit_free_stack()  argument
339 	VirtualFree((void*)stack->max_limit, 0, MEM_RELEASE);  in sljit_free_stack()
341 	uvm_km_free(kernel_map, (vaddr_t)stack->max_limit,  in sljit_free_stack()
342 	    stack->base - stack->max_limit, UVM_KMF_WIRED);  in sljit_free_stack()
344 	munmap((void*)stack->max_limit, stack->base - stack->max_limit);  in sljit_free_stack()
346 	SLJIT_FREE(stack, allocator_data);  in sljit_free_stack()
349 SLJIT_API_FUNC_ATTRIBUTE sljit_sw SLJIT_CALL sljit_stack_resize(struct sljit_stack *stack, sljit_u8…  in sljit_stack_resize()  argument
356 	if ((new_limit < stack->max_limit) || (new_limit >= stack->base))  in sljit_stack_resize()
360 	aligned_old_limit = ((sljit_uw)stack->limit) & ~sljit_page_align;  in sljit_stack_resize()
371 	stack->limit = new_limit;  in sljit_stack_resize()
374 	if (new_limit <= stack->limit) {  in sljit_stack_resize()
375 		stack->limit = new_limit;  in sljit_stack_resize()
380 	aligned_old_limit = ((sljit_uw)stack->limit) & ~sljit_page_align;  in sljit_stack_resize()
390 	stack->limit = new_limit;  in sljit_stack_resize()