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.
53 lines
2 KiB
ArmAsm
53 lines
2 KiB
ArmAsm
/* $NetBSD: getcontext.S,v 1.3 2008/04/28 20:22:57 martin Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2001 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Klaus Klein.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
#include "SYS.h"
|
|
|
|
#if defined(SYSLIBC_SCCS) && !defined(lint)
|
|
.text
|
|
.asciz "$NetBSD: getcontext.S,v 1.3 2008/04/28 20:22:57 martin Exp $"
|
|
#endif /* SYSLIBC_SCCS && !lint */
|
|
|
|
#ifdef WEAK_ALIAS
|
|
WEAK_ALIAS(getcontext, _getcontext)
|
|
#endif
|
|
|
|
ENTRY(_getcontext)
|
|
mr %r5,%r3 # must save pointer
|
|
li %r0,SYS_getcontext
|
|
sc
|
|
bso 1f
|
|
mflr %r4
|
|
stw %r4,(48 + 34 * 4)(%r5) # saved pc <- lr
|
|
stw %r3,(48 + 3 * 4)(%r5) # arrange for return value 0
|
|
blr
|
|
1:
|
|
b .__cerror
|