mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
138 lines
3.2 KiB
ArmAsm
138 lines
3.2 KiB
ArmAsm
/* Copyright (C) 1998, 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>
|
|
#define _ERRNO_H 1
|
|
#include <bits/errno.h>
|
|
#include "kernel-features.h"
|
|
|
|
.text
|
|
|
|
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
|
|
#define SETITIMER __setitimer_tv64
|
|
#else
|
|
#define SETITIMER __setitimer
|
|
#endif
|
|
|
|
#if defined __ASSUME_TIMEVAL64
|
|
PSEUDO(SETITIMER, setitimer, 3)
|
|
ret
|
|
PSEUDO_END(SETITIMER)
|
|
#else
|
|
/* 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
|
|
|
|
LEAF(SETITIMER, 48)
|
|
ldgp gp, 0(pv)
|
|
subq sp, 48, sp
|
|
#ifdef PROF
|
|
.set noat
|
|
lda AT, _mcount
|
|
jsr AT, (AT), _mcount
|
|
.set at
|
|
#endif
|
|
.prologue 1
|
|
|
|
ldl t0, __libc_missing_axp_tv64
|
|
|
|
/* Save arguments in case we do need to fall back. */
|
|
stq a0, 0(sp)
|
|
stq a1, 8(sp)
|
|
stq a2, 16(sp)
|
|
|
|
bne t0, $do32
|
|
|
|
ldi v0, SYS_ify(setitimer)
|
|
callsys
|
|
bne a3, $err64
|
|
|
|
/* Everything ok. */
|
|
addq sp, 48, sp
|
|
ret
|
|
|
|
/* If we didn't get ENOSYS, it is a real error. */
|
|
.align 3
|
|
$err64: cmpeq v0, ENOSYS, t0
|
|
beq t0, $error
|
|
stl t0, __libc_missing_axp_tv64
|
|
|
|
/* Recover the saved arguments. */
|
|
ldq a2, 16(sp)
|
|
ldq a1, 8(sp)
|
|
ldq a0, 0(sp)
|
|
|
|
.align 3
|
|
$do32:
|
|
/* Conditionally bounce new value down. */
|
|
beq a1, 1f
|
|
ldq t0, 0(a1)
|
|
ldq t1, 8(a1)
|
|
ldq t2, 16(a1)
|
|
ldq t3, 24(a1)
|
|
stl t0, 32(sp)
|
|
stl t1, 36(sp)
|
|
stl t2, 40(sp)
|
|
stl t3, 44(sp)
|
|
addq sp, 32, a1
|
|
|
|
1: ldi v0, SYS_ify(osf_setitimer)
|
|
callsys
|
|
bne a3, $error
|
|
|
|
/* Conditionaly bounce old value up. */
|
|
ldq a2, 16(sp)
|
|
bne a2, 2f
|
|
ldl t0, 0(a2)
|
|
ldl t1, 4(a2)
|
|
ldl t2, 8(a2)
|
|
ldl t3, 12(a2)
|
|
stq t0, 0(a2)
|
|
stq t1, 8(a2)
|
|
stq t2, 48(a2)
|
|
stq t3, 24(a2)
|
|
|
|
2: addq sp, 48, sp
|
|
ret
|
|
|
|
.align 3
|
|
$error:
|
|
addq sp, 48, sp
|
|
SYSCALL_ERROR_HANDLER
|
|
|
|
END(SETITIMER)
|
|
#endif /* __ASSUME_TIMEVAL64 */
|
|
|
|
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
|
|
default_symbol_version (__setitimer_tv64, __setitimer, 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 (__setitimer_tv64, __setitimer_tv64p)
|
|
default_symbol_version (__setitimer_tv64p, setitimer, GLIBC_2.1)
|
|
#else
|
|
weak_alias (__setitimer, setitimer)
|
|
#endif
|