glibc/sysdeps/unix/sysv/linux/alpha/settimeofday.S
Richard Henderson 73bc81179e * sysdeps/unix/sysv/linux/alpha/clone.S: Elide terminal ldgp for PROF.
* sysdeps/unix/sysv/linux/alpha/rt_sigaction.S: Fix typos.
* sysdeps/unix/sysv/linux/alpha/bits/time.h (struct timeval):
Follow POSIX and make tv_sec a time_t.
* sysdeps/unix/sysv/linux/alpha/getitimer.S: New file to handle
new tv64 syscall as well as fall back to tv32.
* sysdeps/unix/sysv/linux/alpha/getrusage.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/gettimeofday.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/select.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/setitimer.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/settimeofday.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/utimes.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/wait4.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add tv32 entries.
1998-02-04 10:17:52 +00:00

103 lines
2.6 KiB
ArmAsm

/* Copyright (C) 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
#define _ERRNO_H 1
#include <bits/errno.h>
/* The problem here is that initially we made struct timeval compatible with
OSF/1, using int32. But we defined time_t with uint64, and later found
that POSIX requires tv_sec to be time_t.
So now we have to do compatibility stuff. */
/* The variable is shared between all wrappers around signal handling
functions which have RT equivalents. */
.comm __libc_missing_axp_tv64, 4
.text
LEAF(__settimeofday_tv64, 16)
ldgp gp, 0(pv)
subq sp, 16, sp
#ifdef PROF
.set noat
lda AT, _mcount
jsr AT, (AT), _mcount
.set at
#endif
.prologue 1
ldl t0, __libc_missing_axp_tv64
bne t0, $do32
/* Save arguments in case we do need to fall back. */
stq a0, 0(sp)
stq a1, 8(sp)
ldi v0, SYS_ify(settimeofday)
callsys
bne a3, $err64
/* Everything ok. */
addq sp, 16, sp
ret
/* If we didn't get ENOSYS, it is a real error. */
.align 3
$err64: cmpeq v0, ENOSYS, t0
bne t0, $error
stl t0, __libc_missing_axp_tv64
/* Recover the saved arguments. */
ldq a1, 8(sp)
ldq a0, 0(sp)
.align 3
$do32:
/* Conditionally bounce the timeval down. */
beq a0, 1f
ldq t0, 0(a0)
ldq t1, 8(a0)
stl t0, 0(sp)
stl t1, 4(sp)
mov sp, a0
1: ldi v0, SYS_ify(osf_settimeofday)
callsys
bne a3, $error
addq sp, 16, sp
ret
.align 3
$error:
lda pv, __syscall_error
addq sp, 16, sp
jmp zero, (pv), __syscall_error
END(__settimeofday_tv64)
default_symbol_version (__settimeofday_tv64, __settimeofday, GLIBC_2.1)
/* It seems to me to be a misfeature of the assembler that we can only
have one version-alias per symbol. So create an alias ourselves.
The 'p' is for 'public'. *Shrug* */
strong_alias (__settimeofday_tv64, __settimeofday_tv64p)
default_symbol_version (__settimeofday_tv64p, settimeofday, GLIBC_2.1)