From: Jan Seiffert <kaffeemons...@googlemail.com> Date: Fri, 30 Mar 2012 17:35:01 +0200
> Now the helper function from filter.c for negative offsets is exported, > it can be used it in the jit to handle negative offsets. > > First modify the asm load helper functions to handle: > - know positive offsets > - know negative offsets > - any offset > > then the compiler can be modified to explicitly use these helper > when appropriate. > > This fixes the case of a negative X register and allows to lift > the restriction that bpf programs with negative offsets can't > be jited. > > Signed-off-by: Jan Seiffert <kaffeemons...@googlemail.com> > > I have only compile tested this, -ENOHARDWARE. > Can someone with more powerpc kung-fu review and maybe test this? > Esp. powerpc asm is not my strong point. I think i botched the > stack frame in the call setup. Help? I'm not applying this until a powerpc person tests it. Also, we have an ARM JIT in the tree which probably needs to be fixed similarly. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
