Lines Matching defs:guard
2416 abi_ulong size, error, guard;
2425 guard = TARGET_PAGE_SIZE;
2426 if (guard < qemu_real_host_page_size()) {
2427 guard = qemu_real_host_page_size();
2430 /* no guard page for hppa target where stack grows upwards. */
2431 guard = 0;
2438 error = target_mmap(0, size + guard, prot,
2445 /* We reserve one extra page at the top of the stack as guard. */
2447 target_mprotect(error, guard, PROT_NONE);
2448 info->stack_limit = error + guard;