1/* brk.s 4.3 83/10/06 */ 2 3#include "SYS.h" 4 5#define SYS_brk 17 6 7 .globl curbrk 8 .globl minbrk 9ENTRY(_brk) 10 jbr ok 11 12ENTRY(brk) 13 cmpl 4(ap),minbrk 14 bgeq ok 15 movl minbrk,4(ap) 16ok: 17 chmk $SYS_brk 18 jcs err 19 movl 4(ap),curbrk 20 clrl r0 21 ret 22err: 23 jmp cerror 24