glibc/sysdeps/unix/sysv/linux/m68k/semtimedop.S
2014-02-10 20:22:40 +01:00

70 lines
1.8 KiB
ArmAsm

/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@suse.de>, 2003.
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>
#define SYSOP_semtimedop 4
#define SVRSP 8 /* saved register space */
#define PARMS 4+SVRSP /* space for 3 saved regs */
#define SEMID PARMS
#define SOPS SEMID+4
#define NSOPS SOPS+4
#define TIMEOUT NSOPS+4
.text
ENTRY (semtimedop)
/* Save registers. */
move.l %d2, %a1
move.l %d3, -(%sp)
cfi_adjust_cfa_offset (4)
move.l %d5, -(%sp)
cfi_adjust_cfa_offset (4)
cfi_register (%d2, %a1)
cfi_rel_offset (%d3, 0)
cfi_rel_offset (%d5, 4)
move.l #SYSOP_semtimedop, %d1
move.l SEMID(%sp), %d2
move.l NSOPS(%sp), %d3
move.l SOPS(%sp), %d5
move.l TIMEOUT(%sp), %a0
move.l #SYS_ify (ipc), %d0
trap #0
/* Restore registers. */
move.l (%sp)+, %d5
cfi_adjust_cfa_offset (-4)
cfi_restore (%d5)
move.l (%sp)+, %d3
cfi_adjust_cfa_offset (-4)
cfi_restore (%d3)
move.l %a1, %d2
cfi_restore (%d2)
/* Check for error. */
tst.l %d0
jmi SYSCALL_ERROR_LABEL
/* Successful; return the syscall's value. */
ret
PSEUDO_END (semtimedop)