feat(build,linux): Add Makefile script for build targets

.github/workflows/linux-port.yml

@@ -35,9 +35,8 @@ jobs:
           clang --version
       - name: Check generation drift
         run: |
-          chmod +x internal/ebpf/generate.sh
-          ./internal/ebpf/generate.sh
-          git diff --exit-code -- internal/ebpf
+          make ebpf
+          git diff --exit-code -- internal/ebpf/bpf
       - name: Unit tests
         run: go test ./internal/ebpf ./internal/bootstrap ./pkg/event ./pkg/ps ./pkg/api ./pkg/util/signals
       - name: Privileged process source

.gitignore

@@ -1,5 +1,6 @@
 cmd/fibratus/fibratus.exe
 cmd/fibratus/fibratus.syso
+cmd/fibratus/fibratus
 
 cmd/systray/fibratus-systray.exe
 cmd/systray/fibratus-systray.syso

Makefile

@@ -0,0 +1,58 @@
+.DEFAULT_GOAL := build
+
+SHELL=bash -o pipefail -e
+
+BPF2GO_VERSION := v0.20.0
+
+# Specifies a list of build flags
+TAGS ?= ""
+
+BPF_DIR := internal/ebpf
+
+BPF_FLAGS := \
+	-go-package bpf \
+	-output-dir $(BPF_DIR)/bpf \
+	-cc clang \
+	-target bpfel,bpfeb \
+	-tags linux
+
+BPF_CFLAGS := \
+	-I./$(BPF_DIR)/spike/c \
+	-I./$(BPF_DIR)/c \
+	-I./$(BPF_DIR)/c/common \
+	-O2 \
+	-g \
+	-D__TARGET_ARCH_x86
+
+# Find all eBPF sources.
+BPF_SOURCES := $(wildcard $(BPF_DIR)/c/*.bpf.c)
+BPF_NAMES := $(patsubst $(BPF_DIR)/c/%.bpf.c,%,$(BPF_SOURCES))
+BPF_TARGETS := $(foreach name,$(BPF_NAMES), \
+	$(BPF_DIR)/$(name)_bpfel.go \
+	$(BPF_DIR)/$(name)_bpfeb.go)
+
+CLANG ?= clang
+GO ?= go
+GOFMT ?= gofmt
+BPF2GO ?= go run github.com/cilium/ebpf/cmd/bpf2go@$(BPF2GO_VERSION)
+
+.PHONY: ebpf
+ebpf: $(BPF_TARGETS)
+$(BPF_DIR)/%_bpfel.go $(BPF_DIR)/%_bpfeb.go &: $(BPF_DIR)/c/%.bpf.c
+	$(BPF2GO) $(BPF_FLAGS) -output-stem $* $(shell echo $* | sed 's/^./\U&/') $(BPF_DIR)/c/$*.bpf.c -- $(BPF_CFLAGS)
+
+.PHONY: build
+build:
+	$(GO) build -tags $(TAGS) -o ./cmd/fibratus/fibratus ./cmd/fibratus/
+
+.PHONY: fmt
+fmt:
+	$(GOFMT) -e -s -l -w pkg cmd
+
+.PHONY: test
+test:
+	$(GO) test ./...
+
+.PHONY: clean
+clean:
+	rm -f cmd/fibratus/fibratus