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selftests/bpf: Re-generate vmlinux.h and BPF skeletons if bpftool changed
[ Upstream commitcab62c37be
] Trigger vmlinux.h and BPF skeletons re-generation if detected that bpftool was re-compiled. Otherwise full `make clean` is required to get updated skeletons, if bpftool is modified. Fixes:acbd06206b
("selftests/bpf: Add vmlinux.h selftest exercising tracing of syscalls") Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20210318194036.3521577-11-andrii@kernel.org Signed-off-by: Sasha Levin <sashal@kernel.org>
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parent
ee06efc811
commit
87520507b1
1 changed files with 3 additions and 2 deletions
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@ -196,7 +196,7 @@ $(BUILD_DIR)/libbpf $(BUILD_DIR)/bpftool $(BUILD_DIR)/resolve_btfids $(INCLUDE_D
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$(call msg,MKDIR,,$@)
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$(call msg,MKDIR,,$@)
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$(Q)mkdir -p $@
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$(Q)mkdir -p $@
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$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) | $(BPFTOOL) $(INCLUDE_DIR)
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$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR)
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ifeq ($(VMLINUX_H),)
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ifeq ($(VMLINUX_H),)
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$(call msg,GEN,,$@)
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$(call msg,GEN,,$@)
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$(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
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$(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
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@ -333,7 +333,8 @@ $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \
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$(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \
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$(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \
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$(TRUNNER_OUTPUT)/%.o \
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$(TRUNNER_OUTPUT)/%.o \
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| $(BPFTOOL) $(TRUNNER_OUTPUT)
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$(BPFTOOL) \
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| $(TRUNNER_OUTPUT)
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$$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
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$$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
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$(Q)$$(BPFTOOL) gen skeleton $$< > $$@
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$(Q)$$(BPFTOOL) gen skeleton $$< > $$@
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endif
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endif
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