| /* syscall - indirect system call. |
| Copyright (C) 2005-2018 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> |
| |
| /* We don't need a special syscall to implement syscall(). It won't work |
| reliably with 64-bit arguments (but that is true on many modern platforms). |
| */ |
| |
| ENTRY (syscall) |
| mov r2, r4 |
| mov r4, r5 |
| mov r5, r6 |
| mov r6, r7 |
| ldw r7, 0(sp) |
| ldw r8, 4(sp) |
| ldw r9, 8(sp) |
| trap |
| bne r7, zero, SYSCALL_ERROR_LABEL |
| ret |
| PSEUDO_END (syscall) |
