Support cc_prebuilt_binary building with Bazel

Bp2build-enable cc_prebuilt_binary -> cc_prebuilt_binary

Bug: 241415823
Test: cc_prebuilt_binary_conversion_test.go
Change-Id: I007deef8d44f68993012f2114314d1cb52cfbb0e

android/allowlists/allowlists.go

@@ -190,7 +190,7 @@ var (
 		"frameworks/native/opengl/tests/testPauseResume":     Bp2BuildDefaultTrue,
 		"frameworks/native/opengl/tests/testViewport":        Bp2BuildDefaultTrue,
 		"frameworks/native/services/batteryservice":          Bp2BuildDefaultTrue,
-		"frameworks/proto_logging/stats/stats_log_api_gen":   Bp2BuildDefaultTrueRecursively,
+		"frameworks/proto_logging/stats":                     Bp2BuildDefaultTrueRecursively,
 
 		"hardware/interfaces":                          Bp2BuildDefaultTrue,
 		"hardware/interfaces/common/aidl":              Bp2BuildDefaultTrue,
@@ -317,8 +317,6 @@ var (
 		"system/tools/sysprop":                                   Bp2BuildDefaultTrue,
 		"system/unwinding/libunwindstack":                        Bp2BuildDefaultTrueRecursively,
 
-		"frameworks/proto_logging/stats": Bp2BuildDefaultTrueRecursively,
-
 		"tools/apksig": Bp2BuildDefaultTrue,
 		"tools/platform-compat/java/android/compat":  Bp2BuildDefaultTrueRecursively,
 		"tools/tradefederation/prebuilts/filegroups": Bp2BuildDefaultTrueRecursively,
@@ -471,6 +469,9 @@ var (
 		"libstagefright_bufferpool@2.0.1",
 		"libSurfaceFlingerProp",
 
+		// prebuilts
+		"prebuilt_stats-log-api-gen",
+
 		// fastboot
 		"bootimg_headers",
 		"fastboot",

bp2build/cc_prebuilt_binary_conversion_test.go

@@ -0,0 +1,125 @@
+// 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 (
+	"fmt"
+	"testing"
+
+	"android/soong/cc"
+)
+
+func runCcPrebuiltBinaryTestCase(t *testing.T, testCase Bp2buildTestCase) {
+	t.Helper()
+	description := fmt.Sprintf("cc_prebuilt_binary: %s", testCase.Description)
+	testCase.ModuleTypeUnderTest = "cc_prebuilt_binary"
+	testCase.ModuleTypeUnderTestFactory = cc.PrebuiltBinaryFactory
+	testCase.Description = description
+	t.Run(description, func(t *testing.T) {
+		t.Helper()
+		RunBp2BuildTestCaseSimple(t, testCase)
+	})
+}
+
+func TestPrebuiltBinary(t *testing.T) {
+	runCcPrebuiltBinaryTestCase(t,
+		Bp2buildTestCase{
+			Description: "simple",
+			Filesystem: map[string]string{
+				"bin": "",
+			},
+			Blueprint: `
+cc_prebuilt_binary {
+	name: "bintest",
+	srcs: ["bin"],
+	bazel_module: { bp2build_available: true },
+}`,
+			ExpectedBazelTargets: []string{
+				MakeBazelTarget("cc_prebuilt_binary", "bintest", AttrNameToString{
+					"src": `"bin"`,
+				})},
+		})
+}
+
+func TestPrebuiltBinaryWithStrip(t *testing.T) {
+	runCcPrebuiltBinaryTestCase(t,
+		Bp2buildTestCase{
+			Description: "with strip",
+			Filesystem: map[string]string{
+				"bin": "",
+			},
+			Blueprint: `
+cc_prebuilt_binary {
+	name: "bintest",
+	srcs: ["bin"],
+	strip: { all: true },
+	bazel_module: { bp2build_available: true },
+}`, ExpectedBazelTargets: []string{
+				MakeBazelTarget("cc_prebuilt_binary", "bintest", AttrNameToString{
+					"src": `"bin"`,
+					"strip": `{
+        "all": True,
+    }`,
+				}),
+			},
+		})
+}
+
+func TestPrebuiltBinaryWithArchVariance(t *testing.T) {
+	runCcPrebuiltBinaryTestCase(t,
+		Bp2buildTestCase{
+			Description: "with arch variance",
+			Filesystem: map[string]string{
+				"bina": "",
+				"binb": "",
+			},
+			Blueprint: `
+cc_prebuilt_binary {
+	name: "bintest",
+	arch: {
+		arm64: { srcs: ["bina"], },
+		arm: { srcs: ["binb"], },
+	},
+	bazel_module: { bp2build_available: true },
+}`, ExpectedBazelTargets: []string{
+				MakeBazelTarget("cc_prebuilt_binary", "bintest", AttrNameToString{
+					"src": `select({
+        "//build/bazel/platforms/arch:arm": "binb",
+        "//build/bazel/platforms/arch:arm64": "bina",
+        "//conditions:default": None,
+    })`,
+				}),
+			},
+		})
+}
+
+func TestPrebuiltBinaryMultipleSrcsFails(t *testing.T) {
+	runCcPrebuiltBinaryTestCase(t,
+		Bp2buildTestCase{
+			Description: "fails because multiple sources",
+			Filesystem: map[string]string{
+				"bina": "",
+				"binb": "",
+			},
+			Blueprint: `
+cc_prebuilt_binary {
+	name: "bintest",
+	srcs: ["bina", "binb"],
+	bazel_module: { bp2build_available: true },
+}`,
+			ExpectedErr: fmt.Errorf("Expected at most one source file"),
+		})
+}
+
+// TODO: nosrcs test

cc/bp2build.go

@@ -169,6 +169,14 @@ func maybePartitionExportedAndImplementationsDepsExcludes(ctx android.BazelConve
 	}
 }
 
+func bp2BuildPropParseHelper(ctx android.ArchVariantContext, module *Module, propsType interface{}, parseFunc func(axis bazel.ConfigurationAxis, config string, props interface{})) {
+	for axis, configToProps := range module.GetArchVariantProperties(ctx, propsType) {
+		for config, props := range configToProps {
+			parseFunc(axis, config, props)
+		}
+	}
+}
+
 // Parses properties common to static and shared libraries. Also used for prebuilt libraries.
 func bp2buildParseStaticOrSharedProps(ctx android.BazelConversionPathContext, module *Module, lib *libraryDecorator, isStatic bool) staticOrSharedAttributes {
 	attrs := staticOrSharedAttributes{}
@@ -227,32 +235,30 @@ type prebuiltAttributes struct {
 	Enabled bazel.BoolAttribute
 }
 
-// NOTE: Used outside of Soong repo project, in the clangprebuilts.go bootstrap_go_package
-func Bp2BuildParsePrebuiltLibraryProps(ctx android.BazelConversionPathContext, module *Module, isStatic bool) prebuiltAttributes {
-	manySourceFileError := func(axis bazel.ConfigurationAxis, config string) {
-		ctx.ModuleErrorf("Bp2BuildParsePrebuiltLibraryProps: Expected at most one source file for %s %s\n", axis, config)
+func parseSrc(ctx android.BazelConversionPathContext, srcLabelAttribute *bazel.LabelAttribute, axis bazel.ConfigurationAxis, config string, srcs []string) {
+	srcFileError := func() {
+		ctx.ModuleErrorf("parseSrc: Expected at most one source file for %s %s\n", axis, config)
 	}
-	var srcLabelAttribute bazel.LabelAttribute
-
-	parseSrcs := func(ctx android.BazelConversionPathContext, axis bazel.ConfigurationAxis, config string, srcs []string) {
 	if len(srcs) > 1 {
-			manySourceFileError(axis, config)
+		srcFileError()
 		return
 	} else if len(srcs) == 0 {
 		return
 	}
 	if srcLabelAttribute.SelectValue(axis, config) != nil {
-			manySourceFileError(axis, config)
+		srcFileError()
 		return
 	}
+	srcLabelAttribute.SetSelectValue(axis, config, android.BazelLabelForModuleSrcSingle(ctx, srcs[0]))
+}
 
-		src := android.BazelLabelForModuleSrcSingle(ctx, srcs[0])
-		srcLabelAttribute.SetSelectValue(axis, config, src)
-	}
+// NOTE: Used outside of Soong repo project, in the clangprebuilts.go bootstrap_go_package
+func Bp2BuildParsePrebuiltLibraryProps(ctx android.BazelConversionPathContext, module *Module, isStatic bool) prebuiltAttributes {
 
+	var srcLabelAttribute bazel.LabelAttribute
 	bp2BuildPropParseHelper(ctx, module, &prebuiltLinkerProperties{}, func(axis bazel.ConfigurationAxis, config string, props interface{}) {
 		if prebuiltLinkerProperties, ok := props.(*prebuiltLinkerProperties); ok {
-			parseSrcs(ctx, axis, config, prebuiltLinkerProperties.Srcs)
+			parseSrc(ctx, &srcLabelAttribute, axis, config, prebuiltLinkerProperties.Srcs)
 		}
 	})
 
@@ -261,7 +267,7 @@ func Bp2BuildParsePrebuiltLibraryProps(ctx android.BazelConversionPathContext, m
 		if props.Enabled != nil {
 			enabledLabelAttribute.SetSelectValue(axis, config, props.Enabled)
 		}
-		parseSrcs(ctx, axis, config, props.Srcs)
+		parseSrc(ctx, &srcLabelAttribute, axis, config, props.Srcs)
 	}
 
 	if isStatic {
@@ -284,11 +290,16 @@ func Bp2BuildParsePrebuiltLibraryProps(ctx android.BazelConversionPathContext, m
 	}
 }
 
-func bp2BuildPropParseHelper(ctx android.ArchVariantContext, module *Module, propsType interface{}, parseFunc func(axis bazel.ConfigurationAxis, config string, props interface{})) {
-	for axis, configToProps := range module.GetArchVariantProperties(ctx, propsType) {
-		for config, props := range configToProps {
-			parseFunc(axis, config, props)
+func bp2BuildParsePrebuiltBinaryProps(ctx android.BazelConversionPathContext, module *Module) prebuiltAttributes {
+	var srcLabelAttribute bazel.LabelAttribute
+	bp2BuildPropParseHelper(ctx, module, &prebuiltLinkerProperties{}, func(axis bazel.ConfigurationAxis, config string, props interface{}) {
+		if props, ok := props.(*prebuiltLinkerProperties); ok {
+			parseSrc(ctx, &srcLabelAttribute, axis, config, props.Srcs)
 		}
+	})
+
+	return prebuiltAttributes{
+		Src: srcLabelAttribute,
 	}
 }
 

cc/cc.go

@@ -3714,7 +3714,9 @@ func (c *Module) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
 	prebuilt := c.IsPrebuilt()
 	switch c.typ() {
 	case binary:
-		if !prebuilt {
+		if prebuilt {
+			prebuiltBinaryBp2Build(ctx, c)
+		} else {
 			binaryBp2build(ctx, c)
 		}
 	case testBin:

cc/library.go

@@ -288,6 +288,16 @@ type stripAttributes struct {
 	None                         bazel.BoolAttribute
 }
 
+func stripAttrsFromLinkerAttrs(la *linkerAttributes) stripAttributes {
+	return stripAttributes{
+		Keep_symbols:                 la.stripKeepSymbols,
+		Keep_symbols_and_debug_frame: la.stripKeepSymbolsAndDebugFrame,
+		Keep_symbols_list:            la.stripKeepSymbolsList,
+		All:                          la.stripAll,
+		None:                         la.stripNone,
+	}
+}
+
 func libraryBp2Build(ctx android.TopDownMutatorContext, m *Module) {
 	// For some cc_library modules, their static variants are ready to be
 	// converted, but not their shared variants. For these modules, delegate to
@@ -394,13 +404,7 @@ func libraryBp2Build(ctx android.TopDownMutatorContext, m *Module) {
 
 		Additional_linker_inputs: linkerAttrs.additionalLinkerInputs,
 
-		Strip: stripAttributes{
-			Keep_symbols:                 linkerAttrs.stripKeepSymbols,
-			Keep_symbols_and_debug_frame: linkerAttrs.stripKeepSymbolsAndDebugFrame,
-			Keep_symbols_list:            linkerAttrs.stripKeepSymbolsList,
-			All:                          linkerAttrs.stripAll,
-			None:                         linkerAttrs.stripNone,
-		},
+		Strip:    stripAttrsFromLinkerAttrs(&linkerAttrs),
 		Features: baseAttributes.features,
 	}
 
@@ -2697,13 +2701,7 @@ func sharedOrStaticLibraryBp2Build(ctx android.TopDownMutatorContext, module *Mo
 			Absolute_includes:        compilerAttrs.absoluteIncludes,
 			Additional_linker_inputs: linkerAttrs.additionalLinkerInputs,
 
-			Strip: stripAttributes{
-				Keep_symbols:                 linkerAttrs.stripKeepSymbols,
-				Keep_symbols_and_debug_frame: linkerAttrs.stripKeepSymbolsAndDebugFrame,
-				Keep_symbols_list:            linkerAttrs.stripKeepSymbolsList,
-				All:                          linkerAttrs.stripAll,
-				None:                         linkerAttrs.stripNone,
-			},
+			Strip: stripAttrsFromLinkerAttrs(&linkerAttrs),
 
 			Features: baseAttributes.features,
 

cc/prebuilt.go

@@ -33,7 +33,7 @@ func RegisterPrebuiltBuildComponents(ctx android.RegistrationContext) {
 	ctx.RegisterModuleType("cc_prebuilt_library_static", PrebuiltStaticLibraryFactory)
 	ctx.RegisterModuleType("cc_prebuilt_test_library_shared", PrebuiltSharedTestLibraryFactory)
 	ctx.RegisterModuleType("cc_prebuilt_object", prebuiltObjectFactory)
-	ctx.RegisterModuleType("cc_prebuilt_binary", prebuiltBinaryFactory)
+	ctx.RegisterModuleType("cc_prebuilt_binary", PrebuiltBinaryFactory)
 }
 
 type prebuiltLinkerInterface interface {
@@ -668,8 +668,8 @@ func (p *prebuiltBinaryLinker) binary() bool {
 }
 
 // cc_prebuilt_binary installs a precompiled executable in srcs property in the
-// device's directory.
-func prebuiltBinaryFactory() android.Module {
+// device's directory, for both the host and device
+func PrebuiltBinaryFactory() android.Module {
 	module, _ := NewPrebuiltBinary(android.HostAndDeviceSupported)
 	return module.Init()
 }
@@ -690,6 +690,30 @@ func NewPrebuiltBinary(hod android.HostOrDeviceSupported) (*Module, *binaryDecor
 	return module, binary
 }
 
+type bazelPrebuiltBinaryAttributes struct {
+	Src   bazel.LabelAttribute
+	Strip stripAttributes
+}
+
+func prebuiltBinaryBp2Build(ctx android.TopDownMutatorContext, module *Module) {
+	prebuiltAttrs := bp2BuildParsePrebuiltBinaryProps(ctx, module)
+
+	var la linkerAttributes
+	la.convertStripProps(ctx, module)
+	attrs := &bazelPrebuiltBinaryAttributes{
+		Src:   prebuiltAttrs.Src,
+		Strip: stripAttrsFromLinkerAttrs(&la),
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "cc_prebuilt_binary",
+		Bzl_load_location: "//build/bazel/rules/cc:cc_prebuilt_binary.bzl",
+	}
+
+	name := android.RemoveOptionalPrebuiltPrefix(module.Name())
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: name}, attrs)
+}
+
 type Sanitized struct {
 	None struct {
 		Srcs []string `android:"path,arch_variant"`