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ebpf: Add a separate target for skeleton

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This generalizes the rule to generate the skeleton and allows to add
another.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Akihiko Odaki 2024-04-28 16:01:01 +09:00 committed by Jason Wang
parent f5c69e7ab2
commit 6832aa80a1
1 changed files with 8 additions and 7 deletions
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15
tools/ebpf/Makefile.ebpf
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@ -1,23 +1,24 @@
OBJS = rss.bpf.o SKELETONS = rss.bpf.skeleton.h
LLVM_STRIP ?= llvm-strip LLVM_STRIP ?= llvm-strip
CLANG ?= clang CLANG ?= clang
INC_FLAGS = `$(CLANG) -print-file-name=include` INC_FLAGS = `$(CLANG) -print-file-name=include`
EXTRA_CFLAGS ?= -O2 -g -target bpf EXTRA_CFLAGS ?= -O2 -g -target bpf
all: $(OBJS) all: $(SKELETONS)
.PHONY: clean .PHONY: clean
clean: clean:
rm -f $(OBJS) rm -f $(SKELETONS) $(SKELETONS:%.skeleton.h=%.o)
rm -f rss.bpf.skeleton.h
$(OBJS): %.o:%.c %.o: %.c
$(CLANG) $(INC_FLAGS) \ $(CLANG) $(INC_FLAGS) \
-D__KERNEL__ -D__ASM_SYSREG_H \ -D__KERNEL__ -D__ASM_SYSREG_H \
-I../include $(LINUXINCLUDE) \ -I../include $(LINUXINCLUDE) \
$(EXTRA_CFLAGS) -c $< -o $@ $(EXTRA_CFLAGS) -c $< -o $@
$(LLVM_STRIP) -g $@ $(LLVM_STRIP) -g $@
bpftool gen skeleton rss.bpf.o > rss.bpf.skeleton.h
cp rss.bpf.skeleton.h ../../ebpf/ %.skeleton.h: %.o
bpftool gen skeleton $< > $@
cp $@ ../../ebpf/