opc_disasm
extern vaddr_t opc_disasm(vaddr_t loc, int opcode);
opc_disasm((vaddr_t)(tf->tf_srr0), insn.i_int);
opc_disasm(loc, instr.i_int);
vaddr_t opc_disasm(vaddr_t loc, int);
extern vaddr_t opc_disasm(vaddr_t loc, int);
opc_disasm(addr, data);
extern vaddr_t opc_disasm(vaddr_t, int);
opc_disasm((tf)->tf_srr0, (insn)->i_int); \