include/dis-asm.h patch for cgen disassemblers

[Andrew Cagney]

> Hi -
> 
> cagney wrote:
> 
> 
>> [...]
>> I would put it the other way round.  Users use disassembler_options to 
>> principaly do select assembly syntax and the like.  They override the 
>> default mode.
> 
> 
> Have you looked at the opcodes/ code?  Most of the disassembler_option
> substrings enable and disable groups of opcodes (instruction sets) for
> decoding.  That's deeper than assembly syntax.  How an end-user performs
> this picking, and why she should have to pick manually at all, are
> separate issues.


GDB is only going to be changed to support a ``set disassembler-options 
<list>'' command.  To know GDB needs this change suggests someone read 
the source code.

Andrew