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Power 6/32 Unix version 1.2b

/* sbrk.c 4.2 83/07/26 */

#include "SYS.h"

#define	SYS_brk		17

	.globl	_end
	.globl	minbrk
	.globl	curbrk

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

	.globl	_sbrk
	.align 	2
_sbrk:	.word	0x0008
	addl3	curbrk,4(fp),-(sp)
	pushl	$1
	movl	fp,r3
	moval	(sp),fp
	kcall	$SYS_brk
	jcs 	err
	movl	curbrk,r0
	addl2	4(r3),curbrk
	movl	r3,fp
	ret
err:
	movl	r3,fp
	jmp	cerror

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