objdump for old ARM7TDMI (ARMv4T) showing instructions for newer architectures?!

[Nick Clifton]

Hi Paul,

> On Tuesday 16 June 2009, Nick Clifton wrote:
>> +       if ((insn->arch & (* (unsigned long *) info->private_data)) == 0)
>> +       continue;
> 
> Insn->arch values in arm-dis.c are bogus, and have been for some time (since 
> we got more than 32 bit flags).

Well phoo.  They seem to work though.  What is the officially correct 
way of determining the architectures that support a given instruction ?

Cheers
   Nick