Add bp2build converter for bpf
Bug: 240163393
Test: m bp2build
Test: bp2build/bpf_conversion_test.go
Change-Id: Ie3bbc64511146b099a766d7e8b56e93cef58ef68
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index f2b05dd..971719e 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -589,6 +589,7 @@
"ndk_headers",
"ndk_library",
"sysprop_library",
+ "bpf",
}
// Add the names of modules that bp2build should never convert, if it is
diff --git a/bp2build/bpf_conversion_test.go b/bp2build/bpf_conversion_test.go
new file mode 100644
index 0000000..1259f9e
--- /dev/null
+++ b/bp2build/bpf_conversion_test.go
@@ -0,0 +1,65 @@
+// Copyright 2022 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package bp2build
+
+import (
+ "android/soong/android"
+ "android/soong/bpf"
+
+ "testing"
+)
+
+func runBpfTestCase(t *testing.T, tc Bp2buildTestCase) {
+ t.Helper()
+ (&tc).ModuleTypeUnderTest = "bpf"
+ (&tc).ModuleTypeUnderTestFactory = bpf.BpfFactory
+ RunBp2BuildTestCase(t, registerBpfModuleTypes, tc)
+}
+
+func registerBpfModuleTypes(ctx android.RegistrationContext) {}
+
+func TestBpfSupportedAttrs(t *testing.T) {
+ runBpfTestCase(t, Bp2buildTestCase{
+ Description: "Bpf module only converts supported attributes",
+ Filesystem: map[string]string{},
+ Blueprint: `
+bpf {
+ name: "bpfTestOut.o",
+ srcs: ["bpfTestSrcOne.c",
+ "bpfTestSrcTwo.c"],
+ btf: true,
+ cflags: ["-bpfCflagOne",
+ "-bpfCflagTwo"],
+ include_dirs: ["ia/ib/ic"],
+ sub_dir: "sa/ab",
+}
+`,
+ ExpectedBazelTargets: []string{
+ MakeBazelTarget("bpf", "bpfTestOut.o", AttrNameToString{
+ "absolute_includes": `["ia/ib/ic"]`,
+ "btf": `True`,
+ "copts": `[
+ "-bpfCflagOne",
+ "-bpfCflagTwo",
+ ]`,
+ "srcs": `[
+ "bpfTestSrcOne.c",
+ "bpfTestSrcTwo.c",
+ ]`,
+ "target_compatible_with": `["//build/bazel/platforms/os:android"]`,
+ }),
+ },
+ })
+}
diff --git a/bpf/bpf.go b/bpf/bpf.go
index e89cc4e..dbbce50 100644
--- a/bpf/bpf.go
+++ b/bpf/bpf.go
@@ -21,6 +21,7 @@
"strings"
"android/soong/android"
+ "android/soong/bazel"
"github.com/google/blueprint"
"github.com/google/blueprint/proptools"
@@ -93,6 +94,7 @@
type bpf struct {
android.ModuleBase
+ android.BazelModuleBase
properties BpfProperties
@@ -260,5 +262,39 @@
module.AddProperties(&module.properties)
android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibCommon)
+ android.InitBazelModule(module)
return module
}
+
+type bazelBpfAttributes struct {
+ Srcs bazel.LabelListAttribute
+ Copts bazel.StringListAttribute
+ Absolute_includes bazel.StringListAttribute
+ Btf *bool
+ // TODO(b/249528391): Add support for sub_dir
+}
+
+// bpf bp2build converter
+func (b *bpf) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+ if ctx.ModuleType() != "bpf" {
+ return
+ }
+
+ srcs := bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrc(ctx, b.properties.Srcs))
+ copts := bazel.MakeStringListAttribute(b.properties.Cflags)
+ absolute_includes := bazel.MakeStringListAttribute(b.properties.Include_dirs)
+ btf := b.properties.Btf
+
+ attrs := bazelBpfAttributes{
+ Srcs: srcs,
+ Copts: copts,
+ Absolute_includes: absolute_includes,
+ Btf: btf,
+ }
+ props := bazel.BazelTargetModuleProperties{
+ Rule_class: "bpf",
+ Bzl_load_location: "//build/bazel/rules/bpf:bpf.bzl",
+ }
+
+ ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: b.Name()}, &attrs)
+}