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- /* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- /* Required stack pointer alignment at beginning. SSE requires 16
- bytes. */
- #define STACK_ALIGN 16
- /* Minimal stack size after allocating thread descriptor and guard size. */
- #define MINIMAL_REST_STACK 2048
- /* Alignment requirement for TCB. */
- #define TCB_ALIGNMENT 16
- /* Location of current stack frame. The frame pointer is not usable. */
- #define CURRENT_STACK_FRAME \
- ({ char *frame; __asm__ ("movq %%rsp, %0" : "=r" (frame)); frame; })
- /* XXX Until we have a better place keep the definitions here. */
- /* While there is no such syscall. */
- #define __exit_thread_inline(val) \
- __asm__ __volatile__ ("syscall" :: "a" (__NR_exit), "D" (val))
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