Hello Kurt, I tried this patch and systemtap works fine with it. There are no segfaults and at least with simple tests result is correct.
Regards, Eugeniy Meshcheryakov 17 листопада 2009 о 19:21 +0100 Kurt Roeckx написав(-ла): > On Mon, Nov 16, 2009 at 08:39:04PM -0800, Roland McGrath wrote: > > I fixed the remaining crash. > > Can you try the attached patch? > > It fixes the segfault for me, but it also seems to produce > weird output in eu-readelf. > > > Kurt > > diff --git a/libdwfl/relocate.c b/libdwfl/relocate.c > index a31fe15..2e37c64 100644 > --- a/libdwfl/relocate.c > +++ b/libdwfl/relocate.c > @@ -302,6 +302,10 @@ relocate_section (Dwfl_Module *mod, Elf *relocated, > const GElf_Ehdr *ehdr, > if (tname == NULL) > return DWFL_E_LIBELF; > > + if (unlikely (tshdr->sh_type == SHT_NOBITS) || unlikely (tshdr->sh_size == > 0)) > + /* No contents to relocate. */ > + return DWFL_E_NOERROR; > + > if (debugscn && ! ebl_debugscn_p (mod->ebl, tname)) > /* This relocation section is not for a debugging section. > Nothing to do here. */
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