1 /* Copyright (C) 2002-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library. If not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 /* Default stack size. */ 19 #define ARCH_STACK_DEFAULT_SIZE (8 * 1024 * 1024) 20 21 /* Minimum guard size. */ 22 #define ARCH_MIN_GUARD_SIZE 0 23 24 /* Required stack pointer alignment at beginning. */ 25 #define STACK_ALIGN 64 26 27 /* Minimal stack size after allocating thread descriptor and guard size. */ 28 #define MINIMAL_REST_STACK 2048 29 30 /* Alignment requirement for TCB, note that this must be larger than STACK_ALIGN */ 31 #define TCB_ALIGNMENT STACK_ALIGN 32 33 34 /* Location of current stack frame. */ 35 #define CURRENT_STACK_FRAME stack_pointer 36 register char * stack_pointer __asm__ ("%r30"); 37