1 /* Copyright (C) 2003 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 <http://www.gnu.org/licenses/>. */ 17 18 /* Required stack pointer alignment at beginning. The ABI requires 16 19 bytes (for both 32-bit and 64-bit PowerPC). */ 20 #define STACK_ALIGN 16 21 22 /* Minimal stack size after allocating thread descriptor and guard size. */ 23 #define MINIMAL_REST_STACK 4096 24 25 /* Alignment requirement for TCB. */ 26 #define TCB_ALIGNMENT 16 27 28 29 /* Location of current stack frame. */ 30 #define CURRENT_STACK_FRAME __builtin_frame_address (0) 31 32 33 /* XXX Until we have a better place keep the definitions here. */ 34 35 /* While there is no such syscall. */ 36 #define __exit_thread_inline(val) \ 37 INLINE_SYSCALL (exit, 1, (val)) 38