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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/
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