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/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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: Header: brk.s,v 1.3 92/06/25 12:56:05 mccanne Exp
*/
#if defined(SYSLIBC_SCCS) && !defined(lint)
#if 0
.asciz "@(#)sbrk.s 8.1 (Berkeley) 6/4/93"
#else
RCSID("$NetBSD: sbrk.S,v 1.7 2000/07/25 15:14:46 mycroft Exp $")
#endif
#endif /* SYSLIBC_SCCS and not lint */
#if defined(SYSLIBC_RCS) && !defined(lint)
.text
.asciz "$FreeBSD$"
#endif /* SYSLIBC_RCS and not lint */
#include "SYS.h"
.data
.globl HIDENAME(curbrk)
.globl HIDENAME(minbrk)
.type HIDENAME(curbrk),@object
.type HIDENAME(minbrk),@object
.align 8
HIDENAME(curbrk):
.xword CNAME(_end)
HIDENAME(minbrk):
.xword CNAME(_end)
_SYSENTRY(sbrk)
PIC_PROLOGUE(%o3, %o2)
SET(HIDENAME(curbrk), %o2, %o3)
ldx [%o3], %o4
add %o4, %o0, %o5
mov %o5, %o0
mov SYS_break, %g1
ta %xcc, ST_SYSCALL
bcc,a,pt %xcc, 1f
mov %o4, %o0
ERROR()
1: retl
stx %o5, [%o3]
_SYSEND(sbrk)
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