Re: RFC: support debug info in separate files

[Jim Blandy <jimb@redhat.com>]

Eli Zaretskii <eliz@is.elta.co.il> writes:
> On 25 Nov 2002, Jim Blandy wrote:
> 
> > This patch, written by Alexander Larsson, allows GDB to use debug info
> > that has been extracted into a separate executable file, using the
> > "strip -f" command as provided in Ulrich Drepper's elfutils.
> 
> Does that mean this feature is not supported by GNU `strip'?  If so, this 
> should be reflected in the docs.

On rereading I think the docs should be a bit more detailed about
all that, yeah.

> > +  debugfile = alloca (strlen (debug_file_directory) + 1
> > +                      + strlen (dir)
> > +                      + strlen (".debug/")
> > +                      + strlen (basename) 
> > +                      + 1);
> 
> `.debug' is an invalid file name on DOS 8+3 filesystems (leading dots are 
> not allowed).  For the benefit of users of the DJGPP port of GDB, I 
> suggest to allow an additional name, `_debug', as a substitute.  Thus, 
> conditioned on __MSDOS__, GDB would look for `_debug' subdirectory if 
> `.debug' does not exist.

I'm reluctant to put #if __MSDOS__ in there directly.  Would it be
appropriate to #define something in xm-go32.h, which could be given a
default value of ".debug" in symfile.c?

> > diff -u -r1.131 gdb.texinfo
> > --- gdb/doc/gdb.texinfo	11 Oct 2002 16:13:15 -0000	1.131
> > +++ gdb/doc/gdb.texinfo	26 Nov 2002 03:42:46 -0000
> 
> The doco patch is approved, but please add at least one index entry that 
> leads to this information.  Something like
> 
>   @cindex separate debug info file
> 
> sounds appropriate.

Of course --- thanks for pointing out that omission.