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/* Copyright (C) 2001, 2002, 2003 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., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#include <sys/asm.h>
/* Please consult the file sysdeps/unix/sysv/linux/x86-64/sysdep.h for
more information about the value -4095 used below. */
/* Usage: long syscall (syscall_number, arg1, arg2, arg3, arg4, arg5)
We need to do some arg shifting, the syscall_number will be in
rax. */
.text
ENTRY (syscall)
move v0, a0 /* Syscall number -> v0 */
move a0, a1 /* shift arg1 - arg7. */
move a1, a2
move a2, a3
move a3, a4
move a4, a5
move a5, a6
move a6, a7
syscall /* Do the system call. */
bne a3, zero, L(error)
ret
L(error):
.cpsetup t9, a0, syscall
PTR_LA t9,__syscall_error
.cprestore
jr t9
PSEUDO_END (syscall)
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