Messages in this thread | | | Date | Thu, 03 Jul 2014 19:09:35 -0400 | From | Boris Ostrovsky <> | Subject | Re: [PATCH] x86-64: fix vDSO build |
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On 07/03/2014 10:34 AM, Jan Beulich wrote: > Certain ld versions (observed with 2.20.0) put an empty .rela.dyn > section into shared object files, breaking the assumption on the number > of sections to be copied to the final output. Simply discard any empty > SHT_REL and SHT_RELA sections to address this.
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> > Signed-off-by: Jan Beulich <jbeulich@suse.com> > Cc: Andy Lutomirski <luto@amacapital.net> > --- > arch/x86/vdso/vdso2c.h | 3 +++ > 1 file changed, 3 insertions(+) > > --- 3.16-rc3/arch/x86/vdso/vdso2c.h > +++ 3.16-rc3-x86-vdso-build/arch/x86/vdso/vdso2c.h > @@ -93,6 +93,9 @@ static void BITSFUNC(copy_section)(struc > uint64_t flags = GET_LE(&in->sh_flags); > > bool copy = flags & SHF_ALLOC && > + (GET_LE(&in->sh_size) || > + (GET_LE(&in->sh_type) != SHT_RELA && > + GET_LE(&in->sh_type) != SHT_REL)) && > strcmp(name, ".altinstructions") && > strcmp(name, ".altinstr_replacement"); > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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