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119 lines
3.0 KiB
ArmAsm
119 lines
3.0 KiB
ArmAsm
/* Copyright (C) 1998, 2003, 2006, 2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#define _ERRNO_H 1
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#include <bits/errno.h>
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#include <kernel-features.h>
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.text
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#if defined PIC && defined DO_VERSIONING
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#define SETTIMEOFDAY __settimeofday_tv64
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#else
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#define SETTIMEOFDAY __settimeofday
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#endif
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#if defined __ASSUME_TIMEVAL64
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PSEUDO(SETTIMEOFDAY, settimeofday, 2)
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ret
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PSEUDO_END(SETTIMEOFDAY)
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#else
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/* The problem here is that initially we made struct timeval compatible with
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OSF/1, using int32. But we defined time_t with uint64, and later found
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that POSIX requires tv_sec to be time_t.
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So now we have to do compatibility stuff. */
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/* The variable is shared between all wrappers around signal handling
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functions which have RT equivalents. */
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.comm __libc_missing_axp_tv64, 4
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LEAF(SETTIMEOFDAY, 16)
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ldgp gp, 0(pv)
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subq sp, 16, sp
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#ifdef PROF
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.set noat
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lda AT, _mcount
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jsr AT, (AT), _mcount
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.set at
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#endif
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.prologue 1
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ldl t0, __libc_missing_axp_tv64
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bne t0, $do32
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/* Save arguments in case we do need to fall back. */
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stq a0, 0(sp)
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stq a1, 8(sp)
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ldi v0, SYS_ify(settimeofday)
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callsys
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bne a3, $err64
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/* Everything ok. */
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addq sp, 16, sp
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ret
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/* If we didn't get ENOSYS, it is a real error. */
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.align 3
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$err64: cmpeq v0, ENOSYS, t0
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beq t0, $error
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stl t0, __libc_missing_axp_tv64
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/* Recover the saved arguments. */
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ldq a1, 8(sp)
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ldq a0, 0(sp)
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.align 3
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$do32:
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/* Conditionally bounce the timeval down. */
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beq a0, 1f
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ldq t0, 0(a0)
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ldq t1, 8(a0)
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stl t0, 0(sp)
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stl t1, 4(sp)
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mov sp, a0
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1: ldi v0, SYS_ify(osf_settimeofday)
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callsys
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bne a3, $error
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addq sp, 16, sp
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ret
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.align 3
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$error:
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addq sp, 16, sp
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SYSCALL_ERROR_HANDLER
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END(SETTIMEOFDAY)
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#endif /* __ASSUME_TIMEVAL64 */
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#if defined PIC && defined DO_VERSIONING
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default_symbol_version (__settimeofday_tv64, __settimeofday, GLIBC_2.1)
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/* It seems to me to be a misfeature of the assembler that we can only
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have one version-alias per symbol. So create an alias ourselves.
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The 'p' is for 'public'. *Shrug* */
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strong_alias (__settimeofday_tv64, __settimeofday_tv64p)
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default_symbol_version (__settimeofday_tv64p, settimeofday, GLIBC_2.1)
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#else
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weak_alias (__settimeofday, settimeofday)
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#endif
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