refactor generated code into its own package

5 files changed, 20 insertions, 15 deletions

diff --git a/Makefile b/Makefile
index 291e6f5..76f2ee1 100644
--- a/Makefile
+++ b/Makefile
@@ -14,19 +14,12 @@ bpfbuild:
 	make -C ./internal/c redo
 	cp -v ./internal/c/ioriotng.bpf.o .
 
-.PHONY: tracepoint_list.go
-tracepoint_list.go:
-	# Fetch tracepoint probes from C code and generate list for Go userland code to auto-attach to.
-	echo "// Auto-generated from C, don't change manually!" > ./internal/tracepoints/tracepoint_list.go
-	echo 'package tracepoints' >> ./internal/tracepoints/tracepoint_list.go
-	echo >> ./internal/tracepoints/tracepoint_list.go
-	echo 'var tracepointList = []string{' >> ./internal/tracepoints/tracepoint_list.go
-	sed -n -E '/^SEC.*sys_(enter|exit)_/ { s/[")]//g; s/.*sys_(.*)/\t"\1",/; p; }' \
-		./internal/c/tracepoints/*.c >> ./internal/tracepoints/tracepoint_list.go
-	echo '}' >> ./internal/tracepoints/tracepoint_list.go
+.PHONY: generated
+generated:
+	make -C ./internal/generated
 
 .PHONY: gobuild
-gobuild: tracepoint_list.go
+gobuild: generated
 	go build -tags netgo -ldflags '-w -extldflags "-static"' -o ioriotng ./cmd/ioriotng/main.go
 
 .PHONY: clean
diff --git a/internal/generated/Makefile b/internal/generated/Makefile
new file mode 100644
index 0000000..dd3c780
--- /dev/null
+++ b/internal/generated/Makefile
@@ -0,0 +1,10 @@
+all: generate
+
+.PHONY: generate
+generate:
+	echo 'package generated' > tracepoint_list.go
+	echo '' >> tracepoint_list.go
+	echo 'var TracepointList = []string{' >> tracepoint_list.go
+	sed -n -E '/^SEC.*sys_(enter|exit)_/ { s/[")]//g; s/.*sys_(.*)/\t"\1",/; p; }' \
+		../c/tracepoints/*.c >> tracepoint_list.go
+	echo '}' >> tracepoint_list.go
diff --git a/internal/generated/generated.go b/internal/generated/generated.go
new file mode 100644
index 0000000..731aee8
--- /dev/null
+++ b/internal/generated/generated.go
@@ -0,0 +1,2 @@
+// All Go code in this package is auto-generated. Don't change manually!
+package generated
diff --git a/internal/tracepoints/tracepoint_list.go b/internal/generated/tracepoint_list.go
index 3d654b8..f8fbac2 100644
--- a/internal/tracepoints/tracepoint_list.go
+++ b/internal/generated/tracepoint_list.go
@@ -1,7 +1,6 @@
-// Auto-generated from C, don't change manually!
-package tracepoints
+package generated
 
-var tracepointList = []string{
+var TracepointList = []string{
 	"enter_close",
 	"exit_close",
 	"enter_openat",
diff --git a/internal/tracepoints/tracepoints.go b/internal/tracepoints/tracepoints.go
index 1b6cf56..bf6323f 100644
--- a/internal/tracepoints/tracepoints.go
+++ b/internal/tracepoints/tracepoints.go
@@ -2,12 +2,13 @@ package tracepoints
 
 import (
 	"fmt"
+	"ioriotng/internal/generated"
 
 	bpf "github.com/aquasecurity/libbpfgo"
 )
 
 func AttachSyscalls(bpfModule *bpf.Module) error {
-	for _, name := range tracepointList {
+	for _, name := range generated.TracepointList {
 		// Attach to tracepoint
 		prog, err := bpfModule.GetProgram(fmt.Sprintf("handle_%s", name))
 		if err != nil {