On Tue, Aug 27, 2019 at 1:31 PM Martin Liška <mli...@suse.cz> wrote:
>
> On 8/27/19 12:40 PM, Richard Biener wrote:
> > On Tue, Aug 27, 2019 at 9:28 AM Martin Liška <mli...@suse.cz> wrote:
> >>
> >> Hi.
> >>
> >> The patch is about better symbol table manipulation
> >> for debug info objects. The patch fixes reported issue
> >> on hppa64-hp-hpux11.11.
> >>
> >> Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
> >>
> >> Ready to be installed?
> >
> > +               prevailing_name_idx = ELF_FETCH_FIELD (type_functions, 
> > ei_class,
> > +                                                      Sym, ent,
> > +                                                      st_name, Elf_Addr);
> >
> > this should be Elf_Word.  Please add a break; after you found a symbol.
> > Please also amend the comment before this loop to say that we know
> > there's a prevailing weak hidden symbol at the start of the .debug_info 
> > section
> > so we'll always at least find that one.
> >
> > -                        undefined and sharing the gnu_lto_ name.  */
> > +                        undefined and sharing a name of a prevailing
> > +                        symbol.  */
> >                       bind = STB_WEAK;
> >                       other = STV_HIDDEN;
> > +
> >                       ELF_SET_FIELD (type_functions, ei_class, Sym,
> > -                                    ent, st_name, Elf_Word,
> > -                                    gnu_lto - strings);
> > +                                    ent, st_name, Elf_Addr,
> > +                                    prevailing_name_idx);
> > +
> >
> > Likewise Elf_Word, no need to add vertical spacing before and after
> > this stmt.
> >
> >                       ELF_SET_FIELD (type_functions, ei_class, Sym,
>
> Thanks for review, all should be addresses in updated patch.

OK.

Richard.

> Martin
>
> >
> >
> >
> >
> >> Thanks,
> >> Martin
> >>
> >> libiberty/ChangeLog:
> >>
> >> 2019-08-27  Martin Liska  <mli...@suse.cz>
> >>
> >>         PR lto/91478
> >>         * simple-object-elf.c (simple_object_elf_copy_lto_debug_sections):
> >>         First find a WEAK HIDDEN symbol in symbol table that will be
> >>         preserved.  Later, use the symbol name for all removed symbols.
> >> ---
> >>  libiberty/simple-object-elf.c | 71 +++++++++++++++++++++++------------
> >>  1 file changed, 48 insertions(+), 23 deletions(-)
> >>
> >>
>

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