1: / pid = fork(); 2: 3: .globl _fork, _par_uid 4: .globl cerror 5: 6: _fork: 7: mov r5,-(sp) 8: mov sp,r5 9: sys fork 10: br 1f 11: bec 2f 12: jmp cerror 13: 1: 14: mov r0,_par_uid 15: clr r0 16: 2: 17: mov (sp)+,r5 18: rts pc 19: .bss 20: _par_uid: 21: .=.+2