1 /* Copyright (C) 2005, 2007 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
17 Boston, MA 02110-1301, USA. */
21 /* The register layout upon entering the function is:
23 arguments syscall number arg0, arg1, arg2, arg3, arg4, arg5
24 --------- -------------- ----------------------------------
25 function a2 a3, a4, a5, a6, a7, (sp)
26 syscall a2 a6, a3, a4, a5, a8, a9
30 l32i a9, a1, 16 /* load extra argument from stack */
32 mov a7, a3 /* preserve a3 in a7 */
39 bgeu a2, a4, SYSCALL_ERROR_LABEL