| /* 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| /* Default stack size. */ |
| #define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024) |
| |
| /* 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. Need to store post-AVX vector registers |
| in the TCB and we want the storage to be aligned at 32-byte. */ |
| #define TCB_ALIGNMENT 32 |
| |
| |
| /* 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)) |
