1 /* Copyright (C) 2001-2015 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, see
16 <http://www.gnu.org/licenses/>. */
23 long syscall (syscall_number, arg1, arg2, arg3, arg4, arg5, arg6, arg7)
25 We need to do some arg shifting, syscall_number will be in v0. */
29 NESTED (syscall, SZREG, ra)
30 .mask 0x00010000, -SZREG
33 cfi_adjust_cfa_offset (SZREG)
35 cfi_rel_offset (s0, 0)
38 move a0, a1 /* shift arg1 - arg7. */
46 move v0, s0 /* Syscall number -> v0 */
47 syscall /* Do the system call. */
52 cfi_adjust_cfa_offset (-SZREG)
53 bne a3, zero, L(error)
58 SETUP_GP64_REG (a0, syscall)
59 PTR_LA t9, __syscall_error