Re: Release 2.24

["Maciej W. Rozycki" <macro@codesourcery.com>]

On Wed, 18 Sep 2013, Maciej W. Rozycki wrote:

> > >  On the MIPS target we've switched PLT formats produced by LD for MIPS16 
> > > and microMIPS binaries and for correct frame unwinding GDB has to 
> > > understand them.  Otherwise it'll fail in odd ways, e.g. when stepping 
> > > over a function called via PLT.  Of course all code required is there in 
> > > our shared repository, it's just a matter of making the releases in the 
> > > right order so that ordinary developers have a version of GDB to upgrade 
> > > to available if needed.
> > 
> > Can you patch gdb-7.6 to understand the new format as well as
> > the old one with a patch that could be deemed safe? Perhaps it would
> > make sense to make a 7.6.2 release just for MIPS.
> 
>  That sounds like a plan, thanks, and should be doable with a reasonable 
> effort -- the changes really needed by GDB are the addition of 
> _bfd_mips_elf_get_synthetic_symtab to bfd/elfxx-mips.c, its wiring in 
> bfd/elf32-mips.c, and then small self-contained pieces in opcodes/ and of 
> course gdb/.  I'll have a look at it and let you know when I'm ready with 
> a backport.

 I see 2.24 is about to roll out, so I'll try to find some time this week 
to make the necessary adjustments for a matching GDB 7.6.2 maintenance 
release -- assuming as per your recent statement, that making 7.7 can take 
a while yet.

  Maciej