| /* Copyright (C) 2002-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| 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/>. */ |
| |
| /* 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. */ |
| #define TCB_ALIGNMENT 16 |
| |
| |
| /* Location of current stack frame. |
| |
| __builtin_frame_address (0) returns the value of the hard frame |
| pointer, which will point at the location of the saved PC on the |
| stack. Below this in memory is the remainder of the linkage info, |
| occupying 12 bytes. Therefore in order to address from |
| CURRENT_STACK_FRAME using "struct layout", we need to have the macro |
| return the hard FP minus 12. Of course, this makes no sense |
| without the obsolete APCS stack layout... */ |
| #define CURRENT_STACK_FRAME (__builtin_frame_address (0) - 12) |
| |
| |
| /* XXX Until we have a better place keep the definitions here. */ |
| #define __exit_thread_inline(val) \ |
| INLINE_SYSCALL (exit, 1, (val)) |