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/* 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)
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