Organize source files

examples/c-form/Makefile

@@ -0,0 +1,15 @@
+BPF_CLANG := clang
+CFLAGS := -O2 -emit-llvm -target bpf -c
+
+SRC := example.bpf.c
+OUT := example.bpf.ll
+
+.PHONY: all clean
+
+all: $(OUT)
+
+$(OUT): $(SRC)
+	$(BPF_CLANG) $(CFLAGS) -S $< -o $@
+
+clean:
+	rm -f $(OUT)

examples/c-form/example.bpf.c

@@ -0,0 +1,11 @@
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("tracepoint/syscalls/sys_enter_execve")
+int trace_execve(void *ctx)
+{
+    bpf_printk("execve called\n");
+    return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";