1/* brk.s 4.2 83/07/26 */ 2 3#include "SYS.h" 4 5#define SYS_brk 17 6 7 .globl curbrk 8 .globl minbrk 9 10ENTRY(brk) 11 cmpl 4(ap),minbrk 12 bgeq ok 13 movl minbrk,4(ap) 14ok: 15 chmk $SYS_brk 16 jcs err 17 movl 4(ap),curbrk 18 clrl r0 19 ret 20err: 21 jmp cerror 22