Thanks for review. Here is updated patch.

> > +  /* Assume the disassembler always read memory forwards.  If we
> "always reads"
Fixed.

> > +     useless to keep retrying reading that buffer line.  Simply
> > +     fallback to reading directly from target memory.  */
> 
> Should be "retrying to read", I think.
Fixed.

> > +	      /* Try fetching a new buffer line from the target.  */
> 
> Hmm, this seems to miss making sure LEN doesn't read beyond the original
> requested memory range.  It'd be good to add that.
Changed to following line which should take care of this.
unsigned int length = min (len, info->buffer_length);

> 
> That "unsigned int len" variable shadows the function's "len"
> parameter.  It'd be good to rename it.
Fixed.

> 
> 
> --
> Pedro Alves