.define _ptrace .sect .text .sect .rom .sect .data .sect .bss .sect .text .extern _ptrace .sect .text _ptrace: enter[], 0 xord @_errno,@_errno addr 8(fp),r7 movd 16,r0 addd r0,r7 1: subd 4,r7 movd 0(r7),tos acbd -4,r0,1b movd 26,tos jsr @.mon cmpqd 0,tos beq I0011 movd tos,r7 movd r7,@_errno movd -1,tos I0011: movd tos,r7 movd r7,r4 exit [] ret 0