b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
99 lines
2.7 KiB
ArmAsm
99 lines
2.7 KiB
ArmAsm
/* $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 <machine/asm.h>
|
|
#if defined(SYSLIBC_SCCS) && !defined(lint)
|
|
RCSID("$NetBSD: cerror.S,v 1.10 2006/01/06 05:14:39 uwe Exp $")
|
|
#endif /* SYSLIBC_SCCS and not lint */
|
|
|
|
#include "SYS.h"
|
|
|
|
#ifdef _REENTRANT
|
|
|
|
|
|
.globl _C_LABEL(__errno)
|
|
|
|
.align 2
|
|
cerror:
|
|
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 */
|
|
|
|
|
|
.globl _C_LABEL(errno)
|
|
|
|
.align 2
|
|
cerror:
|
|
#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 */
|