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- /* Copyright (C) 2005, 2007 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, write to the Free
- Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
- Boston, MA 02110-1301, USA. */
- #include "sysdep.h"
- /* The register layout upon entering the function is:
- arguments syscall number arg0, arg1, arg2, arg3, arg4, arg5
- --------- -------------- ----------------------------------
- function a2 a3, a4, a5, a6, a7, (sp)
- syscall a2 a6, a3, a4, a5, a8, a9
- */
- ENTRY (syscall)
- l32i a9, a1, 16 /* load extra argument from stack */
- mov a8, a7
- mov a7, a3 /* preserve a3 in a7 */
- mov a3, a4
- mov a4, a5
- mov a5, a6
- mov a6, a7
- syscall
- movi a4, -4095
- bgeu a2, a4, SYSCALL_ERROR_LABEL
- .Lpseudo_end:
- retw
- PSEUDO_END (syscall)
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