OBJS = rss.bpf.o | |
LLC ?= llc | |
CLANG ?= clang | |
INC_FLAGS = `$(CLANG) -print-file-name=include` | |
EXTRA_CFLAGS ?= -O2 -emit-llvm -fno-stack-protector | |
all: $(OBJS) | |
.PHONY: clean | |
clean: | |
rm -f $(OBJS) | |
$(OBJS): %.o:%.c | |
$(CLANG) $(INC_FLAGS) \ | |
-D__KERNEL__ -D__ASM_SYSREG_H \ | |
-I../include $(LINUXINCLUDE) \ | |
$(EXTRA_CFLAGS) -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ | |
bpftool gen skeleton rss.bpf.o > rss.bpf.skeleton.h | |
cp rss.bpf.skeleton.h ../../ebpf/ |