On Fri, Aug 21, 2020 at 02:21:34PM -0700, Kees Cook wrote:
> On Fri, Aug 21, 2020 at 04:01:59PM -0400, Arvind Sankar wrote:
> > On Fri, Aug 21, 2020 at 12:43:08PM -0700, Kees Cook wrote:
> > > In preparation for warning on orphan sections, stop the linker from
> > > generating the .eh_frame* sections, discard unwanted non-zero-sized
> > > generated sections, and enforce other expected-to-be-zero-sized sections
> > > (since discarding them might hide problems with them suddenly gaining
> > > unexpected entries).
> > >
> > > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> > > .rel.dyn : {
> > > - *(.rel.*)
> > > + *(.rel.*) *(.rel_*)
> > > }
> > > ASSERT(SIZEOF(.rel.dyn) == 0, "Unexpected run-time relocations (.rel) detected!")
> > >
> > > .rela.dyn : {
> > > - *(.rela.*)
> > > + *(.rela.*) *(.rela_*)
> > > }
> > > ASSERT(SIZEOF(.rela.dyn) == 0, "Unexpected run-time relocations (.rela) detected!")
> > > }
> > > --
> > > 2.25.1
> > >
> >
> > When do you get .rela_?
>
> i386 builds, IIRC. I can try to hunt that down if you want?
>
> --
> Kees Cook
Nah, just curious.
Thanks.
