On Wed, Feb 25, 2009 at 06:47:07AM +0100, Sam Ravnborg wrote: > > On ppc64 (at least) gcc-4.4 is defaulting to generating .eh_frame > > sections, which are, for the kernel, fairly pointless. Additionally, on > > ppc64 this generates a relocation format which the kernel module loader > > does not currently support (R_PPC64_REL32.) > > > > Alexandre Oliva verifies that -fno-dwarf2-cfi-asm prevents this > > .eh_frame section from being generated. > > > > These seem to be used for unwinding, but it doesn't look like we > > currently use them anywhere. (In fact, we explicitly dump them in the > > x86_64 linker script.) > > > > If these .eh_frame sections are eventually used, adding a per-arch > > CONFIG_WANT_UNWIND check would be trivial. > > > > (This was reported against Fedora, which appears to be the only distro > > doing any building against gcc-4.4 at present: RH bz#486545.) > > > > Signed-off-by: Kyle McMartin <k...@redhat.com> > > Cc: rol...@redhat.com > > Cc: aol...@redhat.com > > Kyle - can you resend wit an updated changelog reflecting the comments > from Roland and Alexandre. > > I got it wrong when reading the above - so chances are others does too. >
Yes, certainly. My apologies, I let my frustration leak through a little into the changelog. :) regards, Kyle _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
