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Re: [hjl@lucon.org: Re: PATCH: Output dwarf debug info only when needed]
On Wed, Jul 31, 2002 at 09:01:49AM -0700, Richard Henderson wrote:
> On Wed, Jul 31, 2002 at 10:30:47AM -0400, Daniel Jacobowitz wrote:
> > But even if there is more than one '.file'
> > directive, if there are no .loc directives I don't see how the
> > .debug_file section serves any purpose...
>
> The .debug_file file numbers are used by .debug_info.
Oops, that's right. How about:
/* We don't need to do anything unless:
- Some debug information was recorded via .file/.loc
- or, we are generating DWARF2 information ourself (--gdwarf2)
- or, there is a user-provided .debug_info section which could
reference the file table in the .debug_line section we generate
below. */
if (all_segs == NULL
&& debug_type != DEBUG_DWARF2
&& )
Where the bit after the last && is "there is no user .debug_info"
section (which I can't figure out how to say in gas).
--
Daniel Jacobowitz Carnegie Mellon University
MontaVista Software Debian GNU/Linux Developer