Add new field to disassemble_info:

[Richard Earnshaw]

nickc@redhat.com said:
>   I am checking in my patch to add the target specific initialisation
>   function for the disassemble_info structure.
>   I am also going to check in the patch below which adds a new field
>   the disassemble_info structure called 'symbol_is_valid'.  This is a
>   function which can be used to tell the disassembler if a symbol can
>   be shown in debugging output.  The patch also adds code to objdump
>   to use this field and code to the arm disassembler to provide a
>   non-default implementation of the function which skips arm elf
>   mapping symbols. 

Wouldn't the proposal I made yesterday avoid the need for this entirely?  
Or is there some other use beyond the ARM mapping symbols where this would 
be useful?

R.