feat: add selftest for struct_ops

selftest/struct-ops/Makefile

@@ -0,0 +1,95 @@
+BASEDIR = $(abspath ../../)
+
+OUTPUT = ../../output
+
+LIBBPF_SRC = $(abspath ../../libbpf/src)
+LIBBPF_OBJ = $(abspath $(OUTPUT)/libbpf.a)
+
+CLANG = clang
+CC = $(CLANG)
+GO = go
+PKGCONFIG = pkg-config
+
+ARCH := $(shell uname -m | sed 's/x86_64/amd64/g; s/aarch64/arm64/g')
+
+# libbpf
+
+LIBBPF_OBJDIR = $(abspath ./$(OUTPUT)/libbpf)
+
+CFLAGS = -g -O2 -Wall -fpie -I$(abspath ../common)
+LDFLAGS =
+
+CGO_CFLAGS_STATIC = "-I$(abspath $(OUTPUT)) -I$(abspath ../common)"
+CGO_LDFLAGS_STATIC = "$(shell PKG_CONFIG_PATH=$(LIBBPF_OBJDIR) $(PKGCONFIG) --static --libs libbpf)"
+CGO_EXTLDFLAGS_STATIC = '-w -extldflags "-static"'
+SCX_FLAGS=-O2 -g -Wall -fpie -mcpu=v3 -mlittle-endian \
+-I ../../libbpf/src/usr/include -I ../../libbpf/include/uapi \
+-I dep/include -I dep/include/arch/x86 -I dep/include/bpf-compat -I dep/include/lib
+
+CGO_CFLAGS_DYN = "-I. -I/usr/include/"
+CGO_LDFLAGS_DYN = "$(shell $(PKGCONFIG) --shared --libs libbpf)"
+
+MAIN = main
+
+.PHONY: $(MAIN)
+.PHONY: $(MAIN).go
+.PHONY: $(MAIN).bpf.c
+
+all: $(MAIN)-static
+
+.PHONY: libbpfgo
+.PHONY: libbpfgo-static
+.PHONY: libbpfgo-dynamic
+
+## libbpfgo
+
+libbpfgo-static:
+	$(MAKE) -C $(BASEDIR) libbpfgo-static
+
+libbpfgo-dynamic:
+	$(MAKE) -C $(BASEDIR) libbpfgo-dynamic
+
+outputdir:
+	$(MAKE) -C $(BASEDIR) outputdir
+
+## test bpf dependency
+
+$(MAIN).bpf.o: $(MAIN).bpf.c
+	$(CLANG) -target bpf -D__TARGET_ARCH_$(ARCH) $(SCX_FLAGS) -I $(OUTPUT) -I $(abspath ../common) -c $< -o $@
+
+## test
+
+.PHONY: $(MAIN)-static
+.PHONY: $(MAIN)-dynamic
+
+$(MAIN)-static: libbpfgo-static | $(MAIN).bpf.o
+	CC=$(CLANG) \
+		CGO_CFLAGS=$(CGO_CFLAGS_STATIC) \
+		CGO_LDFLAGS=$(CGO_LDFLAGS_STATIC) \
+		GOOS=linux GOARCH=$(ARCH) \
+		$(GO) build \
+		-tags netgo -ldflags $(CGO_EXTLDFLAGS_STATIC) \
+		-o $(MAIN)-static ./$(MAIN).go
+
+$(MAIN)-dynamic: libbpfgo-dynamic | $(MAIN).bpf.o
+	CC=$(CLANG) \
+		CGO_CFLAGS=$(CGO_CFLAGS_DYN) \
+		CGO_LDFLAGS=$(CGO_LDFLAGS_DYN) \
+		$(GO) build -o ./$(MAIN)-dynamic ./$(MAIN).go
+
+## run
+
+.PHONY: run
+.PHONY: run-static
+.PHONY: run-dynamic
+
+run: run-static
+
+run-static: $(MAIN)-static
+	sudo ./run.sh $(MAIN)-static
+
+run-dynamic: $(MAIN)-dynamic
+	sudo ./run.sh $(MAIN)-dynamic
+
+clean:
+	rm -f *.o *-static *-dynamic

selftest/struct-ops/dep/include/.gitignore

@@ -0,0 +1 @@
+vmlinux.h