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HEAD
added SYSLIBC_SCCS condition for sccs ids
[unix-history]
/
usr
/
src
/
lib
/
libc
/
vax
/
sys
/
sbrk.s
/*
* 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.s 5.3 (Berkeley) %G%"
#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