Re: DWARF2 bugs debug/10000 to debug/10005

[Daniel Jacobowitz <drow at mvista dot com>]

On Sun, Mar 16, 2003 at 06:57:10PM -0300, Werner Almesberger wrote:
> Richard Henderson wrote:
> > Labels that are not actively involved with control flow will have
> > no fixed anchor, and will float about somewhat randomly.  This can't
> > be helped without severely pessimizing code generation.
> 
> I see, and a compile-time option that does just that may not be
> worth the trouble either. Actually, the DWARF2 format isn't exactly
> cooperating by allowing labels to have only one location.
> 
> Anyway, I think I have a work-around for this: by placing macros
> that expand (in an __asm__ __volatile__) to something like
> 
> 1:
> 	.section .my_labels,"",@progbits
> 	.long	1b
> 	.string	"label_name"
> 	.byte	0
> 	.text
> 
> I should be able to build labels with the semantics I need. Of
> course, they'd only work in text sections (or any sections that
> I explicitly make them work in), but at least I'll get an error
> from gas if I try to use them anywhere else.

Try .pushsection?

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer