On Sun, Dec 14, 2014 at 04:44:17AM +0100, Jan Kratochvil wrote: > On Fri, 12 Dec 2014 21:55:31 +0100, Mark Wielaard wrote: > > Some systems don't add a PT_GNU_EH_FRAME segment by default, but the > > deleted test depends on it so that it can get at the .eh_frame_hdr table > > through the phdrs from the remote memory ELF image. Request one explicitly > > with -fasynchronous-unwind-tables. > > I remember -fasynchronous-unwind-tables was not the default. But now even > RHEL-5 gcc behaves for me as if -fasynchronous-unwind-tables was the default.
Some RHEL versions/arches seem to only add -fasynchronous-unwind-tables when building with rpmbuild, but don't have it as default for gcc proper. That means all system binaries have it, but hand compiled code might not. > Anyway I agree the option should be there and I forgot about it. Thanks, pushed to master. Cheers, Mark
