Re: [PATCH] Fix .cfi_* directive skip over >= 64KB (PR gas/10255)

[Jakub Jelinek <jakub at redhat dot com>]

On Tue, Jun 09, 2009 at 06:27:37AM -0700, H.J. Lu wrote:
> > I don't think a memory write is something we should try hard to avoid, what
> > matters how it is maintanable. ?IMHO leaving the fragment uninitialized
> > is a bad idea, but doing what you wrote above in eh_frame_convert_frag
> 
> It is uninitialized because we don't know what we will put in there.
> If we want to initialize it, I think it should be initialized to something
> invalid and verify it is valid when we output it. Otherwise, initialize
> it may still generate bad output.

I don't understand it.  We generate DW_CFA_advance_loc4 by default, and if
possible optimize it to something shorter.  So DW_CFA_advance_loc4 is the
right default...

	Jakub