1/* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8#if defined(SYSLIBC_SCCS) && !defined(lint) 9 .asciz "@(#)brk.s 8.1 (Berkeley) 06/04/93" 10#endif /* SYSLIBC_SCCS and not lint */ 11 12#include "SYS.h" 13 14#define SYS_brk 17 15 16 .globl curbrk 17 .globl minbrk 18 19ENTRY(brk) 20 cmpl 4(fp),minbrk 21 bgeq ok 22 movl minbrk,4(fp) 23ok: 24 kcall $SYS_brk 25 jcs err 26 movl 4(fp),curbrk 27 clrl r0 28 ret 29err: 30 jmp cerror 31