Hi Wang, On Wed, Jun 10, 2015 at 08:06:17AM +0800, Wangnan (F) wrote: > On 2015/6/10 5:48, Alexei Starovoitov wrote: > >Once clang integration is complete. One can pull > >upsteam llvm and clang and just use 'clang -O2 -c -march=bpf file.c' > > > > Good news, so llc part should be removed. > > Next version I'd like to use following config options: > > [llvm] > clang-bpf-cmd-template = "$CLANG_EXEC $CLANG_OPTIONS -c $CLANG_SOURCE > -emit-llvm -O2 -o - | /path/to/llc -march=bpf -filetype=obj -o -" > clang-path = "/path/to/clang" > clang-opt = "" > > And the default template should be: > > $CLANG_EXEC $CLANG_OPTIONS -c "$CLANG_SOURCE" -emit-llvm -O2 -o -
Did you mean this? $CLANG_EXEC $CLANG_OPTIONS -O2 -c "$BPF_SOURCE" -march=bpf -o - Thanks, Namhyung > > Then with environment variable tricks we make it work with popen. > > By this way we can get rid of llc in perf side, and make it work even before > clang > integration is complete. > > Thank you. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
