1 /* Copyright (C) 2002-2022 Free Software Foundation, Inc. 2 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public License as 7 published by the Free Software Foundation; either version 2.1 of the 8 License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <stdlib.h> 20 #include <string.h> 21 22 /* Default stack size. */ 23 #define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024) 24 25 /* Minimum guard size. */ 26 #define ARCH_MIN_GUARD_SIZE 0 27 28 /* Required stack pointer alignment at beginning. */ 29 #define STACK_ALIGN 16 30 31 /* Minimal stack size after allocating thread descriptor and guard size. */ 32 #define MINIMAL_REST_STACK 2048 33 34 /* Location of current stack frame. */ 35 #define CURRENT_STACK_FRAME __builtin_frame_address (0) 36