| /* Save current context and install the given one. |
| Copyright (C) 2004-2018 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/>. */ |
| |
| #include <sysdep.h> |
| #include <ucontext-offsets.h> |
| |
| ENTRY(__swapcontext) |
| |
| #ifdef PROF |
| ldgp $29, 0($27) |
| .set noat |
| lda AT, _mcount |
| jsr AT, (AT), _mcount |
| .set at |
| .prologue 1 |
| #elif defined PIC |
| .prologue 0 |
| #else |
| ldgp $29, 0($27) |
| .prologue 1 |
| #endif |
| |
| #ifdef PIC |
| unop |
| bsr $0, __getcontext_x !samegp |
| mov $17, $16 |
| br $31, __setcontext !samegp |
| #else |
| jsr $0, __getcontext_x |
| mov $17, $16 |
| jmp $31, __setcontext |
| #endif |
| |
| END(__swapcontext) |
| weak_alias (__swapcontext, swapcontext) |
