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BSD 4.3

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifdef SYSLIBC_SCCS
_sccsid:.asciz	"@(#)sbrk.c	5.3 (Berkeley) 3/9/86"
#endif SYSLIBC_SCCS

#include "SYS.h"

#define	SYS_brk		17

	.globl	_end
	.globl	minbrk
	.globl	curbrk

	.data
minbrk: .long	_end
curbrk:	.long	_end
	.text

ENTRY(sbrk)
	addl3	curbrk,4(ap),-(sp)
	pushl	$1
	movl	ap,r3
	movl	sp,ap
	chmk	$SYS_brk
	jcs 	err
	movl	curbrk,r0
	addl2	4(r3),curbrk
	ret
err:
	jmp	cerror

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