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/* $OpenBSD: cerror.S,v 1.2 2011/04/04 12:42:39 guenther Exp $ */
/* $NetBSD: cerror.S,v 1.10 2006/01/06 05:14:39 uwe Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)cerror.s 5.1 (Berkeley) 4/23/90
*/
#include "SYS.h"
WEAK_ALIAS(CERROR, _CERROR)
ASENTRY(_CERROR)
#ifdef _REENTRANT
mov.l .L___errno, r1
PIC_PROLOGUE(.L_got)
sts.l pr, @-sp
1: CALL r1
mov.l r4, @-sp ! save error code
mov.l @sp+, r4
lds.l @sp+, pr
PIC_EPILOGUE
mov.l r4, @r0
mov #-1, r1
rts
mov #-1, r0
.align 2
.L_got: PIC_GOT_DATUM
.L___errno: CALL_DATUM(_C_LABEL(__errno), 1b)
SET_ASENTRY_SIZE(_CERROR)
#else /* !_REENTRANT */
#ifdef PIC
mova L_GOT, r0
mov.l L_GOT, r1
add r0, r1
mov.l L_errno, r0
mov.l @(r0, r1), r1
mov.l r4, @r1
#else
mov.l L_errno, r1
mov.l r4, @r1
#endif
mov #-1, r0
rts
mov #-1, r1
.align 2
#ifdef PIC
L_GOT: .long _GLOBAL_OFFSET_TABLE_
L_errno: .long _C_LABEL(errno)@GOT
#else
L_errno: .long _C_LABEL(errno)
#endif
#endif /* !_REENTRANT */
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