Merge "Add noOverrideExternalGlobalCflags support to Soong"
diff --git a/android/arch.go b/android/arch.go
index 3cc5e82..e08fd5c 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -168,7 +168,7 @@
 	return archType
 }
 
-// ArchTypeList returns the a slice copy of the 4 supported ArchTypes for arm,
+// ArchTypeList returns a slice copy of the 4 supported ArchTypes for arm,
 // arm64, x86 and x86_64.
 func ArchTypeList() []ArchType {
 	return append([]ArchType(nil), archTypeList...)
@@ -408,7 +408,7 @@
 
 	// addPathDepsForProps does not descend into sub structs, so we need to descend into the
 	// arch-specific properties ourselves
-	properties := []interface{}{}
+	var properties []interface{}
 	for _, archProperties := range m.archProperties {
 		for _, archProps := range archProperties {
 			archPropValues := reflect.ValueOf(archProps).Elem()
@@ -995,8 +995,11 @@
 
 	// Store the original list of top level property structs
 	base.generalProperties = m.GetProperties()
+	if len(base.archProperties) != 0 {
+		panic(fmt.Errorf("module %s already has archProperties", m.Name()))
+	}
 
-	for _, properties := range base.generalProperties {
+	getStructType := func(properties interface{}) reflect.Type {
 		propertiesValue := reflect.ValueOf(properties)
 		t := propertiesValue.Type()
 		if propertiesValue.Kind() != reflect.Ptr {
@@ -1006,10 +1009,14 @@
 
 		propertiesValue = propertiesValue.Elem()
 		if propertiesValue.Kind() != reflect.Struct {
-			panic(fmt.Errorf("properties must be a pointer to a struct, got %T",
+			panic(fmt.Errorf("properties must be a pointer to a struct, got a pointer to %T",
 				propertiesValue.Interface()))
 		}
+		return t
+	}
 
+	for _, properties := range base.generalProperties {
+		t := getStructType(properties)
 		// Get or create the arch-specific property struct types for this property struct type.
 		archPropTypes := archPropTypeMap.Once(NewCustomOnceKey(t), func() interface{} {
 			return createArchPropTypeDesc(t)
diff --git a/android/bazel.go b/android/bazel.go
index fd3f23e..4114f37 100644
--- a/android/bazel.go
+++ b/android/bazel.go
@@ -15,6 +15,8 @@
 package android
 
 import (
+	"bufio"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"path/filepath"
@@ -206,7 +208,8 @@
 		"build/bazel/platforms":/* recursive = */ true,
 		"build/bazel/product_variables":/* recursive = */ true,
 		"build/bazel_common_rules":/* recursive = */ true,
-		"build/make/tools":/* recursive = */ true,
+		// build/make/tools/signapk BUILD file is generated, so build/make/tools is not recursive.
+		"build/make/tools":/* recursive = */ false,
 		"build/pesto":/* recursive = */ true,
 
 		// external/bazelbuild-rules_android/... is needed by mixed builds, otherwise mixed builds analysis fails
@@ -237,6 +240,7 @@
 		"bootable/recovery/tools/recovery_l10n": Bp2BuildDefaultTrue,
 		"build/bazel/examples/soong_config_variables":        Bp2BuildDefaultTrueRecursively,
 		"build/bazel/examples/apex/minimal":                  Bp2BuildDefaultTrueRecursively,
+		"build/make/tools/signapk":                           Bp2BuildDefaultTrue,
 		"build/soong":                                        Bp2BuildDefaultTrue,
 		"build/soong/cc/libbuildversion":                     Bp2BuildDefaultTrue, // Skip tests subdir
 		"build/soong/cc/ndkstubgen":                          Bp2BuildDefaultTrue,
@@ -279,7 +283,9 @@
 		"development/sdk":                                    Bp2BuildDefaultTrueRecursively,
 		"external/arm-optimized-routines":                    Bp2BuildDefaultTrueRecursively,
 		"external/boringssl":                                 Bp2BuildDefaultTrueRecursively,
+		"external/bouncycastle":                              Bp2BuildDefaultTrue,
 		"external/brotli":                                    Bp2BuildDefaultTrue,
+		"external/conscrypt":                                 Bp2BuildDefaultTrue,
 		"external/fmtlib":                                    Bp2BuildDefaultTrueRecursively,
 		"external/google-benchmark":                          Bp2BuildDefaultTrueRecursively,
 		"external/googletest":                                Bp2BuildDefaultTrueRecursively,
@@ -327,7 +333,7 @@
 		"packages/services/Car/tests/SampleRearViewCamera":   Bp2BuildDefaultTrue,
 		"prebuilts/clang/host/linux-x86":                     Bp2BuildDefaultTrueRecursively,
 		"system/apex":                                        Bp2BuildDefaultFalse, // TODO(b/207466993): flaky failures
-		"system/core/debuggerd":                              Bp2BuildDefaultTrue,
+		"system/core/debuggerd":                              Bp2BuildDefaultTrueRecursively,
 		"system/core/diagnose_usb":                           Bp2BuildDefaultTrueRecursively,
 		"system/core/libasyncio":                             Bp2BuildDefaultTrue,
 		"system/core/libcrypto_utils":                        Bp2BuildDefaultTrueRecursively,
@@ -349,6 +355,8 @@
 		"system/timezone/output_data":                        Bp2BuildDefaultTrueRecursively,
 		"system/unwinding/libbacktrace":                      Bp2BuildDefaultTrueRecursively,
 		"system/unwinding/libunwindstack":                    Bp2BuildDefaultTrueRecursively,
+		"tools/apksig":                                       Bp2BuildDefaultTrue,
+		"tools/platform-compat/java/android/compat":          Bp2BuildDefaultTrueRecursively,
 	}
 
 	// Per-module denylist to always opt modules out of both bp2build and mixed builds.
@@ -386,9 +394,13 @@
 		"libbacktrace",                                               // depends on unconverted module libunwindstack
 		"libdebuggerd_handler",                                       // depends on unconverted module libdebuggerd_handler_core
 		"libdebuggerd_handler_core", "libdebuggerd_handler_fallback", // depends on unconverted module libdebuggerd
-		"unwind_for_offline",        // depends on unconverted module libunwindstack_utils
-		"libdebuggerd",              // depends on unconverted modules libdexfile_support, libunwindstack, gwp_asan_crash_handler, libtombstone_proto, libprotobuf-cpp-lite
-		"libdexfile_static",         // depends on libartpalette, libartbase, libdexfile, which are of unsupported type: art_cc_library.
+		"unwind_for_offline", // depends on unconverted module libunwindstack_utils
+		"libdebuggerd",       // depends on unconverted modules libdexfile_support, libunwindstack, gwp_asan_crash_handler, libtombstone_proto, libprotobuf-cpp-lite
+		"libdexfile_static",  // depends on libartpalette, libartbase, libdexfile, which are of unsupported type: art_cc_library.
+
+		"crasher",        // depends on unconverted modules: libseccomp_policy
+		"static_crasher", // depends on unconverted modules: libdebuggerd_handler, libseccomp_policy
+
 		"host_bionic_linker_asm",    // depends on extract_linker, a go binary.
 		"host_bionic_linker_script", // depends on extract_linker, a go binary.
 
@@ -401,11 +413,12 @@
 
 		"libbase_ndk", // http://b/186826477, fails to link libctscamera2_jni for device (required for CtsCameraTestCases)
 
-		"lib_linker_config_proto_lite", // contains .proto sources
-
 		"libprotobuf-python",               // contains .proto sources
-		"libprotobuf-internal-protos",      // we don't handle path property for fileegroups
-		"libprotobuf-internal-python-srcs", // we don't handle path property for fileegroups
+		"libprotobuf-internal-protos",      // b/210751803, we don't handle path property for filegroups
+		"libprotobuf-internal-python-srcs", // b/210751803, we don't handle path property for filegroups
+		"libprotobuf-java-full",            // b/210751803, we don't handle path property for filegroups
+		"libprotobuf-java-util-full",       // b/210751803, we don't handle path property for filegroups
+		"conscrypt",                        // b/210751803, we don't handle path property for filegroups
 
 		"libseccomp_policy", // b/201094425: depends on func_to_syscall_nrs, which depends on py_binary, which is unsupported in mixed builds.
 		"libfdtrack",        // depends on unconverted module libunwindstack
@@ -640,3 +653,22 @@
 
 	bModule.ConvertWithBp2build(ctx)
 }
+
+// GetMainClassInManifest scans the manifest file specified in filepath and returns
+// the value of attribute Main-Class in the manifest file if it exists, or returns error.
+// WARNING: this is for bp2build converters of java_* modules only.
+func GetMainClassInManifest(c Config, filepath string) (string, error) {
+	file, err := c.fs.Open(filepath)
+	if err != nil {
+		return "", err
+	}
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.HasPrefix(line, "Main-Class:") {
+			return strings.TrimSpace(line[len("Main-Class:"):]), nil
+		}
+	}
+
+	return "", errors.New("Main-Class is not found.")
+}
diff --git a/android/defaults.go b/android/defaults.go
index 7b3d38c..0953f95 100644
--- a/android/defaults.go
+++ b/android/defaults.go
@@ -212,7 +212,6 @@
 	// The applicable licenses property for defaults is 'licenses'.
 	setPrimaryLicensesProperty(module, "licenses", &commonProperties.Licenses)
 
-	base.module = module
 }
 
 var _ Defaults = (*DefaultsModuleBase)(nil)
diff --git a/android/module.go b/android/module.go
index 189781a..c479b59 100644
--- a/android/module.go
+++ b/android/module.go
@@ -2096,18 +2096,18 @@
 	return GlobFiles(e, globPattern, excludes)
 }
 
-func (b *earlyModuleContext) IsSymlink(path Path) bool {
-	fileInfo, err := b.config.fs.Lstat(path.String())
+func (e *earlyModuleContext) IsSymlink(path Path) bool {
+	fileInfo, err := e.config.fs.Lstat(path.String())
 	if err != nil {
-		b.ModuleErrorf("os.Lstat(%q) failed: %s", path.String(), err)
+		e.ModuleErrorf("os.Lstat(%q) failed: %s", path.String(), err)
 	}
 	return fileInfo.Mode()&os.ModeSymlink == os.ModeSymlink
 }
 
-func (b *earlyModuleContext) Readlink(path Path) string {
-	dest, err := b.config.fs.Readlink(path.String())
+func (e *earlyModuleContext) Readlink(path Path) string {
+	dest, err := e.config.fs.Readlink(path.String())
 	if err != nil {
-		b.ModuleErrorf("os.Readlink(%q) failed: %s", path.String(), err)
+		e.ModuleErrorf("os.Readlink(%q) failed: %s", path.String(), err)
 	}
 	return dest
 }
diff --git a/android/package_test.go b/android/package_test.go
index 7ea10a4..65c4240 100644
--- a/android/package_test.go
+++ b/android/package_test.go
@@ -11,7 +11,7 @@
 }{
 	// Package default_visibility handling is tested in visibility_test.go
 	{
-		name: "package must not accept visibility and name properties",
+		name: "package must not accept visibility, name or licenses properties",
 		fs: map[string][]byte{
 			"top/Android.bp": []byte(`
 				package {
@@ -48,8 +48,7 @@
 					default_visibility: ["//visibility:private"],
 					default_applicable_licenses: ["license"],
 				}
-
-			        package {
+				package {
 				}`),
 		},
 		expectedErrors: []string{
diff --git a/apex/apex.go b/apex/apex.go
index a28cd72..b7faa5b 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -96,6 +96,14 @@
 	// /system/sepolicy/apex/<module_name>_file_contexts.
 	File_contexts *string `android:"path"`
 
+	// Path to the canned fs config file for customizing file's uid/gid/mod/capabilities. The
+	// format is /<path_or_glob> <uid> <gid> <mode> [capabilities=0x<cap>], where path_or_glob is a
+	// path or glob pattern for a file or set of files, uid/gid are numerial values of user ID
+	// and group ID, mode is octal value for the file mode, and cap is hexadecimal value for the
+	// capability. If this property is not set, or a file is missing in the file, default config
+	// is used.
+	Canned_fs_config *string `android:"path"`
+
 	ApexNativeDependencies
 
 	Multilib apexMultilibProperties
diff --git a/apex/apex_test.go b/apex/apex_test.go
index c71b6d0..a749ea1 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -2581,22 +2581,21 @@
 	`)
 
 	generateFsRule := ctx.ModuleForTests("myapex", "android_common_myapex_image").Rule("generateFsConfig")
-	dirs := strings.Split(generateFsRule.Args["exec_paths"], " ")
+	cmd := generateFsRule.RuleParams.Command
 
 	// Ensure that the subdirectories are all listed
-	ensureListContains(t, dirs, "etc")
-	ensureListContains(t, dirs, "etc/foo")
-	ensureListContains(t, dirs, "etc/foo/bar")
-	ensureListContains(t, dirs, "lib64")
-	ensureListContains(t, dirs, "lib64/foo")
-	ensureListContains(t, dirs, "lib64/foo/bar")
-	ensureListContains(t, dirs, "lib")
-	ensureListContains(t, dirs, "lib/foo")
-	ensureListContains(t, dirs, "lib/foo/bar")
-
-	ensureListContains(t, dirs, "bin")
-	ensureListContains(t, dirs, "bin/foo")
-	ensureListContains(t, dirs, "bin/foo/bar")
+	ensureContains(t, cmd, "/etc ")
+	ensureContains(t, cmd, "/etc/foo ")
+	ensureContains(t, cmd, "/etc/foo/bar ")
+	ensureContains(t, cmd, "/lib64 ")
+	ensureContains(t, cmd, "/lib64/foo ")
+	ensureContains(t, cmd, "/lib64/foo/bar ")
+	ensureContains(t, cmd, "/lib ")
+	ensureContains(t, cmd, "/lib/foo ")
+	ensureContains(t, cmd, "/lib/foo/bar ")
+	ensureContains(t, cmd, "/bin ")
+	ensureContains(t, cmd, "/bin/foo ")
+	ensureContains(t, cmd, "/bin/foo/bar ")
 }
 
 func TestFilesInSubDirWhenNativeBridgeEnabled(t *testing.T) {
diff --git a/apex/builder.go b/apex/builder.go
index 5910784..ea25537 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -72,19 +72,6 @@
 }
 
 var (
-	// Create a canned fs config file where all files and directories are
-	// by default set to (uid/gid/mode) = (1000/1000/0644)
-	// TODO(b/113082813) make this configurable using config.fs syntax
-	generateFsConfig = pctx.StaticRule("generateFsConfig", blueprint.RuleParams{
-		Command: `( set -e; echo '/ 1000 1000 0755' ` +
-			`&& for i in ${ro_paths}; do echo "/$$i 1000 1000 0644"; done ` +
-			`&& for i in  ${exec_paths}; do echo "/$$i 0 2000 0755"; done ` +
-			`&& ( tr ' ' '\n' <${out}.apklist | for i in ${apk_paths}; do read apk; echo "/$$i 0 2000 0755"; zipinfo -1 $$apk | sed "s:\(.*\):/$$i/\1 1000 1000 0644:"; done ) ) > ${out}`,
-		Description:    "fs_config ${out}",
-		Rspfile:        "$out.apklist",
-		RspfileContent: "$in",
-	}, "ro_paths", "exec_paths", "apk_paths")
-
 	apexManifestRule = pctx.StaticRule("apexManifestRule", blueprint.RuleParams{
 		Command: `rm -f $out && ${jsonmodify} $in ` +
 			`-a provideNativeLibs ${provideNativeLibs} ` +
@@ -583,55 +570,11 @@
 	// Figure out if need to compress apex.
 	compressionEnabled := ctx.Config().CompressedApex() && proptools.BoolDefault(a.properties.Compressible, false) && !a.testApex && !ctx.Config().UnbundledBuildApps()
 	if apexType == imageApex {
+
 		////////////////////////////////////////////////////////////////////////////////////
 		// Step 2: create canned_fs_config which encodes filemode,uid,gid of each files
 		// in this APEX. The file will be used by apexer in later steps.
-		// TODO(jiyong): make this as a function
-		// TODO(jiyong): use the RuleBuilder
-		var readOnlyPaths = []string{"apex_manifest.json", "apex_manifest.pb"}
-		var executablePaths []string // this also includes dirs
-		var extractedAppSetPaths android.Paths
-		var extractedAppSetDirs []string
-		for _, f := range a.filesInfo {
-			pathInApex := f.path()
-			if f.installDir == "bin" || strings.HasPrefix(f.installDir, "bin/") {
-				executablePaths = append(executablePaths, pathInApex)
-				for _, d := range f.dataPaths {
-					readOnlyPaths = append(readOnlyPaths, filepath.Join(f.installDir, d.RelativeInstallPath, d.SrcPath.Rel()))
-				}
-				for _, s := range f.symlinks {
-					executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
-				}
-			} else if f.class == appSet {
-				extractedAppSetPaths = append(extractedAppSetPaths, f.builtFile)
-				extractedAppSetDirs = append(extractedAppSetDirs, f.installDir)
-			} else {
-				readOnlyPaths = append(readOnlyPaths, pathInApex)
-			}
-			dir := f.installDir
-			for !android.InList(dir, executablePaths) && dir != "" {
-				executablePaths = append(executablePaths, dir)
-				dir, _ = filepath.Split(dir) // move up to the parent
-				if len(dir) > 0 {
-					// remove trailing slash
-					dir = dir[:len(dir)-1]
-				}
-			}
-		}
-		sort.Strings(readOnlyPaths)
-		sort.Strings(executablePaths)
-		cannedFsConfig := android.PathForModuleOut(ctx, "canned_fs_config")
-		ctx.Build(pctx, android.BuildParams{
-			Rule:        generateFsConfig,
-			Output:      cannedFsConfig,
-			Description: "generate fs config",
-			Inputs:      extractedAppSetPaths,
-			Args: map[string]string{
-				"ro_paths":   strings.Join(readOnlyPaths, " "),
-				"exec_paths": strings.Join(executablePaths, " "),
-				"apk_paths":  strings.Join(extractedAppSetDirs, " "),
-			},
-		})
+		cannedFsConfig := a.buildCannedFsConfig(ctx)
 		implicitInputs = append(implicitInputs, cannedFsConfig)
 
 		////////////////////////////////////////////////////////////////////////////////////
@@ -1072,3 +1015,65 @@
 
 	a.lintReports = java.BuildModuleLintReportZips(ctx, depSetsBuilder.Build())
 }
+
+func (a *apexBundle) buildCannedFsConfig(ctx android.ModuleContext) android.OutputPath {
+	var readOnlyPaths = []string{"apex_manifest.json", "apex_manifest.pb"}
+	var executablePaths []string // this also includes dirs
+	var appSetDirs []string
+	appSetFiles := make(map[string]android.Path)
+	for _, f := range a.filesInfo {
+		pathInApex := f.path()
+		if f.installDir == "bin" || strings.HasPrefix(f.installDir, "bin/") {
+			executablePaths = append(executablePaths, pathInApex)
+			for _, d := range f.dataPaths {
+				readOnlyPaths = append(readOnlyPaths, filepath.Join(f.installDir, d.RelativeInstallPath, d.SrcPath.Rel()))
+			}
+			for _, s := range f.symlinks {
+				executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
+			}
+		} else if f.class == appSet {
+			appSetDirs = append(appSetDirs, f.installDir)
+			appSetFiles[f.installDir] = f.builtFile
+		} else {
+			readOnlyPaths = append(readOnlyPaths, pathInApex)
+		}
+		dir := f.installDir
+		for !android.InList(dir, executablePaths) && dir != "" {
+			executablePaths = append(executablePaths, dir)
+			dir, _ = filepath.Split(dir) // move up to the parent
+			if len(dir) > 0 {
+				// remove trailing slash
+				dir = dir[:len(dir)-1]
+			}
+		}
+	}
+	sort.Strings(readOnlyPaths)
+	sort.Strings(executablePaths)
+	sort.Strings(appSetDirs)
+
+	cannedFsConfig := android.PathForModuleOut(ctx, "canned_fs_config")
+	builder := android.NewRuleBuilder(pctx, ctx)
+	cmd := builder.Command()
+	cmd.Text("(")
+	cmd.Text("echo '/ 1000 1000 0755';")
+	for _, p := range readOnlyPaths {
+		cmd.Textf("echo '/%s 1000 1000 0644';", p)
+	}
+	for _, p := range executablePaths {
+		cmd.Textf("echo '/%s 0 2000 0755';", p)
+	}
+	for _, dir := range appSetDirs {
+		cmd.Textf("echo '/%s 0 2000 0755';", dir)
+		file := appSetFiles[dir]
+		cmd.Text("zipinfo -1").Input(file).Textf(`| sed "s:\(.*\):/%s/\1 1000 1000 0644:";`, dir)
+	}
+	// Custom fs_config is "appended" to the last so that entries from the file are preferred
+	// over default ones set above.
+	if a.properties.Canned_fs_config != nil {
+		cmd.Text("cat").Input(android.PathForModuleSrc(ctx, *a.properties.Canned_fs_config))
+	}
+	cmd.Text(")").FlagWithOutput("> ", cannedFsConfig)
+	builder.Build("generateFsConfig", fmt.Sprintf("Generating canned fs config for %s", a.BaseModuleName()))
+
+	return cannedFsConfig.OutputPath
+}
diff --git a/apex/vndk.go b/apex/vndk.go
index cf525a8..ef3e5e1 100644
--- a/apex/vndk.go
+++ b/apex/vndk.go
@@ -140,21 +140,5 @@
 		addSymlink("/apex/com.android.i18n/etc/icu", dir, "icu")
 	}
 
-	// TODO(b/124106384): Clean up compat symlinks for ART binaries.
-	if name == "com.android.art" {
-		dir := android.PathForModuleInPartitionInstall(ctx, "system", "bin")
-		addSymlink("/apex/com.android.art/bin/dalvikvm", dir, "dalvikvm")
-		dex2oat := "dex2oat32"
-		if ctx.Config().Android64() {
-			dex2oat = "dex2oat64"
-		}
-		addSymlink("/apex/com.android.art/bin/"+dex2oat, dir, "dex2oat")
-	} else if name == "com.android.art" || strings.HasPrefix(name, "com.android.art.") {
-		dir := android.PathForModuleInPartitionInstall(ctx, "system", "bin")
-		symlinks = append(symlinks,
-			dir.Join(ctx, "dalvikvm"),
-			dir.Join(ctx, "dex2oat"))
-	}
-
 	return symlinks
 }
diff --git a/bp2build/Android.bp b/bp2build/Android.bp
index 337fe86..ae0fb11 100644
--- a/bp2build/Android.bp
+++ b/bp2build/Android.bp
@@ -32,15 +32,17 @@
     ],
     testSrcs: [
         "android_app_certificate_conversion_test.go",
+        "android_app_conversion_test.go",
         "apex_conversion_test.go",
         "apex_key_conversion_test.go",
         "build_conversion_test.go",
         "bzl_conversion_test.go",
+        "cc_binary_conversion_test.go",
         "cc_genrule_conversion_test.go",
         "cc_library_conversion_test.go",
         "cc_library_headers_conversion_test.go",
-        "cc_library_static_conversion_test.go",
         "cc_library_shared_conversion_test.go",
+        "cc_library_static_conversion_test.go",
         "cc_object_conversion_test.go",
         "conversion_test.go",
         "filegroup_conversion_test.go",
@@ -50,6 +52,7 @@
         "python_binary_conversion_test.go",
         "python_library_conversion_test.go",
         "sh_conversion_test.go",
+        "soong_config_module_type_conversion_test.go",
         "testing.go",
     ],
     pluginFor: [
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index b4eb28f..eaceea9 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -2041,3 +2041,121 @@
 		},
 	})
 }
+
+func TestCcLibraryProtoFilegroups(t *testing.T) {
+	runCcLibraryTestCase(t, bp2buildTestCase{
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
+		blueprint: soongCcProtoPreamble +
+			simpleModuleDoNotConvertBp2build("filegroup", "a_fg_proto") +
+			simpleModuleDoNotConvertBp2build("filegroup", "b_protos") +
+			simpleModuleDoNotConvertBp2build("filegroup", "c-proto-srcs") +
+			simpleModuleDoNotConvertBp2build("filegroup", "proto-srcs-d") + `
+cc_library {
+	name: "a",
+	srcs: [":a_fg_proto"],
+	proto: {
+		canonical_path_from_root: false,
+		export_proto_headers: true,
+	},
+	include_build_directory: false,
+}
+
+cc_library {
+	name: "b",
+	srcs: [":b_protos"],
+	proto: {
+		canonical_path_from_root: false,
+		export_proto_headers: true,
+	},
+	include_build_directory: false,
+}
+
+cc_library {
+	name: "c",
+	srcs: [":c-proto-srcs"],
+	proto: {
+		canonical_path_from_root: false,
+		export_proto_headers: true,
+	},
+	include_build_directory: false,
+}
+
+cc_library {
+	name: "d",
+	srcs: [":proto-srcs-d"],
+	proto: {
+		canonical_path_from_root: false,
+		export_proto_headers: true,
+	},
+	include_build_directory: false,
+}`,
+		expectedBazelTargets: []string{
+			makeBazelTarget("proto_library", "a_proto", attrNameToString{
+				"srcs": `[":a_fg_proto"]`,
+			}), makeBazelTarget("cc_lite_proto_library", "a_cc_proto_lite", attrNameToString{
+				"deps": `[":a_proto"]`,
+			}), makeBazelTarget("cc_library_static", "a_bp2build_cc_library_static", attrNameToString{
+				"deps":               `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":a_cc_proto_lite"]`,
+				"srcs":               `[":a_fg_proto_cpp_srcs"]`,
+				"srcs_as":            `[":a_fg_proto_as_srcs"]`,
+				"srcs_c":             `[":a_fg_proto_c_srcs"]`,
+			}), makeBazelTarget("cc_library_shared", "a", attrNameToString{
+				"dynamic_deps":       `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":a_cc_proto_lite"]`,
+				"srcs":               `[":a_fg_proto_cpp_srcs"]`,
+				"srcs_as":            `[":a_fg_proto_as_srcs"]`,
+				"srcs_c":             `[":a_fg_proto_c_srcs"]`,
+			}), makeBazelTarget("proto_library", "b_proto", attrNameToString{
+				"srcs": `[":b_protos"]`,
+			}), makeBazelTarget("cc_lite_proto_library", "b_cc_proto_lite", attrNameToString{
+				"deps": `[":b_proto"]`,
+			}), makeBazelTarget("cc_library_static", "b_bp2build_cc_library_static", attrNameToString{
+				"deps":               `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":b_cc_proto_lite"]`,
+				"srcs":               `[":b_protos_cpp_srcs"]`,
+				"srcs_as":            `[":b_protos_as_srcs"]`,
+				"srcs_c":             `[":b_protos_c_srcs"]`,
+			}), makeBazelTarget("cc_library_shared", "b", attrNameToString{
+				"dynamic_deps":       `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":b_cc_proto_lite"]`,
+				"srcs":               `[":b_protos_cpp_srcs"]`,
+				"srcs_as":            `[":b_protos_as_srcs"]`,
+				"srcs_c":             `[":b_protos_c_srcs"]`,
+			}), makeBazelTarget("proto_library", "c_proto", attrNameToString{
+				"srcs": `[":c-proto-srcs"]`,
+			}), makeBazelTarget("cc_lite_proto_library", "c_cc_proto_lite", attrNameToString{
+				"deps": `[":c_proto"]`,
+			}), makeBazelTarget("cc_library_static", "c_bp2build_cc_library_static", attrNameToString{
+				"deps":               `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":c_cc_proto_lite"]`,
+				"srcs":               `[":c-proto-srcs_cpp_srcs"]`,
+				"srcs_as":            `[":c-proto-srcs_as_srcs"]`,
+				"srcs_c":             `[":c-proto-srcs_c_srcs"]`,
+			}), makeBazelTarget("cc_library_shared", "c", attrNameToString{
+				"dynamic_deps":       `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":c_cc_proto_lite"]`,
+				"srcs":               `[":c-proto-srcs_cpp_srcs"]`,
+				"srcs_as":            `[":c-proto-srcs_as_srcs"]`,
+				"srcs_c":             `[":c-proto-srcs_c_srcs"]`,
+			}), makeBazelTarget("proto_library", "d_proto", attrNameToString{
+				"srcs": `[":proto-srcs-d"]`,
+			}), makeBazelTarget("cc_lite_proto_library", "d_cc_proto_lite", attrNameToString{
+				"deps": `[":d_proto"]`,
+			}), makeBazelTarget("cc_library_static", "d_bp2build_cc_library_static", attrNameToString{
+				"deps":               `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":d_cc_proto_lite"]`,
+				"srcs":               `[":proto-srcs-d_cpp_srcs"]`,
+				"srcs_as":            `[":proto-srcs-d_as_srcs"]`,
+				"srcs_c":             `[":proto-srcs-d_c_srcs"]`,
+			}), makeBazelTarget("cc_library_shared", "d", attrNameToString{
+				"dynamic_deps":       `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":d_cc_proto_lite"]`,
+				"srcs":               `[":proto-srcs-d_cpp_srcs"]`,
+				"srcs_as":            `[":proto-srcs-d_as_srcs"]`,
+				"srcs_c":             `[":proto-srcs-d_c_srcs"]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/java_binary_host_conversion_test.go b/bp2build/java_binary_host_conversion_test.go
new file mode 100644
index 0000000..96b8958
--- /dev/null
+++ b/bp2build/java_binary_host_conversion_test.go
@@ -0,0 +1,63 @@
+// Copyright 2021 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 (
+	"testing"
+
+	"android/soong/android"
+	"android/soong/cc"
+	"android/soong/java"
+)
+
+func runJavaBinaryHostTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	(&tc).moduleTypeUnderTest = "java_binary_host"
+	(&tc).moduleTypeUnderTestFactory = java.BinaryHostFactory
+	runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {
+		ctx.RegisterModuleType("cc_library_host_shared", cc.LibraryHostSharedFactory)
+	}, tc)
+}
+
+var fs = map[string]string{
+	"test.mf": "Main-Class: com.android.test.MainClass",
+	"other/Android.bp": `cc_library_host_shared {
+    name: "jni-lib-1",
+    stl: "none",
+}`,
+}
+
+func TestJavaBinaryHost(t *testing.T) {
+	runJavaBinaryHostTestCase(t, bp2buildTestCase{
+		description: "java_binary_host with srcs, exclude_srcs, jni_libs and manifest.",
+		filesystem:  fs,
+		blueprint: `java_binary_host {
+    name: "java-binary-host-1",
+    srcs: ["a.java", "b.java"],
+    exclude_srcs: ["b.java"],
+    manifest: "test.mf",
+    jni_libs: ["jni-lib-1"],
+    bazel_module: { bp2build_available: true },
+}`,
+		expectedBazelTargets: []string{
+			makeBazelTarget("java_binary", "java-binary-host-1", attrNameToString{
+				"srcs":       `["a.java"]`,
+				"main_class": `"com.android.test.MainClass"`,
+				"deps":       `["//other:jni-lib-1"]`,
+				"jvm_flags":  `["-Djava.library.path=$${RUNPATH}other"]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/java_library_conversion_test.go b/bp2build/java_library_conversion_test.go
new file mode 100644
index 0000000..5c65ec2
--- /dev/null
+++ b/bp2build/java_library_conversion_test.go
@@ -0,0 +1,57 @@
+// Copyright 2021 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 (
+	"testing"
+
+	"android/soong/android"
+	"android/soong/java"
+)
+
+func runJavaLibraryTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	(&tc).moduleTypeUnderTest = "java_library"
+	(&tc).moduleTypeUnderTestFactory = java.LibraryFactory
+	runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {}, tc)
+}
+
+func TestJavaLibrary(t *testing.T) {
+	runJavaLibraryTestCase(t, bp2buildTestCase{
+		description: "java_library with srcs, exclude_srcs and libs",
+		blueprint: `java_library {
+    name: "java-lib-1",
+    srcs: ["a.java", "b.java"],
+    exclude_srcs: ["b.java"],
+    libs: ["java-lib-2"],
+    bazel_module: { bp2build_available: true },
+}
+
+java_library {
+    name: "java-lib-2",
+    srcs: ["b.java"],
+    bazel_module: { bp2build_available: true },
+}`,
+		expectedBazelTargets: []string{
+			makeBazelTarget("java_library", "java-lib-1", attrNameToString{
+				"srcs": `["a.java"]`,
+				"deps": `[":java-lib-2"]`,
+			}),
+			makeBazelTarget("java_library", "java-lib-2", attrNameToString{
+				"srcs": `["b.java"]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/java_library_host_conversion_test.go b/bp2build/java_library_host_conversion_test.go
new file mode 100644
index 0000000..6ac82db
--- /dev/null
+++ b/bp2build/java_library_host_conversion_test.go
@@ -0,0 +1,57 @@
+// Copyright 2021 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 (
+	"testing"
+
+	"android/soong/android"
+	"android/soong/java"
+)
+
+func runJavaLibraryHostTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	(&tc).moduleTypeUnderTest = "java_library_host"
+	(&tc).moduleTypeUnderTestFactory = java.LibraryHostFactory
+	runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {}, tc)
+}
+
+func TestJavaLibraryHost(t *testing.T) {
+	runJavaLibraryHostTestCase(t, bp2buildTestCase{
+		description: "java_library_host with srcs, exclude_srcs and libs",
+		blueprint: `java_library_host {
+    name: "java-lib-host-1",
+    srcs: ["a.java", "b.java"],
+    exclude_srcs: ["b.java"],
+    libs: ["java-lib-host-2"],
+    bazel_module: { bp2build_available: true },
+}
+
+java_library_host {
+    name: "java-lib-host-2",
+    srcs: ["c.java"],
+    bazel_module: { bp2build_available: true },
+}`,
+		expectedBazelTargets: []string{
+			makeBazelTarget("java_library", "java-lib-host-1", attrNameToString{
+				"srcs": `["a.java"]`,
+				"deps": `[":java-lib-host-2"]`,
+			}),
+			makeBazelTarget("java_library", "java-lib-host-2", attrNameToString{
+				"srcs": `["c.java"]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/testing.go b/bp2build/testing.go
index 15cf486..8ae1a38 100644
--- a/bp2build/testing.go
+++ b/bp2build/testing.go
@@ -133,8 +133,8 @@
 		android.FailIfErrored(t, errs)
 	}
 	if actualCount, expectedCount := len(bazelTargets), len(tc.expectedBazelTargets); actualCount != expectedCount {
-		t.Errorf("%s: Expected %d bazel target, got `%d``",
-			tc.description, expectedCount, actualCount)
+		t.Errorf("%s: Expected %d bazel target (%s), got `%d`` (%s)",
+			tc.description, expectedCount, tc.expectedBazelTargets, actualCount, bazelTargets)
 	} else {
 		for i, target := range bazelTargets {
 			if w, g := tc.expectedBazelTargets[i], target.content; w != g {
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 6c1646c..fad40be 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -16,6 +16,7 @@
 import (
 	"fmt"
 	"path/filepath"
+	"regexp"
 	"strings"
 
 	"android/soong/android"
@@ -33,6 +34,12 @@
 	protoSrcPartition = "proto"
 )
 
+var (
+	// ignoring case, checks for proto or protos as an independent word in the name, whether at the
+	// beginning, end, or middle. e.g. "proto.foo", "bar-protos", "baz_proto_srcs" would all match
+	filegroupLikelyProtoPattern = regexp.MustCompile("(?i)(^|[^a-z])proto(s)?([^a-z]|$)")
+)
+
 // staticOrSharedAttributes are the Bazel-ified versions of StaticOrSharedProperties --
 // properties which apply to either the shared or static version of a cc_library module.
 type staticOrSharedAttributes struct {
@@ -77,18 +84,18 @@
 		if !exists || !isFilegroup(m) {
 			return labelStr, false
 		}
-		likelyProtos := strings.HasSuffix(labelStr, "proto") || strings.HasSuffix(labelStr, "protos")
+		likelyProtos := filegroupLikelyProtoPattern.MatchString(label.OriginalModuleName)
 		return labelStr, likelyProtos
 	}
 
 	// TODO(b/190006308): Handle language detection of sources in a Bazel rule.
 	partitioned := bazel.PartitionLabelListAttribute(ctx, &srcs, bazel.LabelPartitions{
-		cSrcPartition:  bazel.LabelPartition{Extensions: []string{".c"}, LabelMapper: addSuffixForFilegroup("_c_srcs")},
-		asSrcPartition: bazel.LabelPartition{Extensions: []string{".s", ".S"}, LabelMapper: addSuffixForFilegroup("_as_srcs")},
+		protoSrcPartition: bazel.LabelPartition{Extensions: []string{".proto"}, LabelMapper: isProtoFilegroup},
+		cSrcPartition:     bazel.LabelPartition{Extensions: []string{".c"}, LabelMapper: addSuffixForFilegroup("_c_srcs")},
+		asSrcPartition:    bazel.LabelPartition{Extensions: []string{".s", ".S"}, LabelMapper: addSuffixForFilegroup("_as_srcs")},
 		// C++ is the "catch-all" group, and comprises generated sources because we don't
 		// know the language of these sources until the genrule is executed.
-		cppSrcPartition:   bazel.LabelPartition{Extensions: []string{".cpp", ".cc", ".cxx", ".mm"}, LabelMapper: addSuffixForFilegroup("_cpp_srcs"), Keep_remainder: true},
-		protoSrcPartition: bazel.LabelPartition{Extensions: []string{".proto"}, LabelMapper: isProtoFilegroup},
+		cppSrcPartition: bazel.LabelPartition{Extensions: []string{".cpp", ".cc", ".cxx", ".mm"}, LabelMapper: addSuffixForFilegroup("_cpp_srcs"), Keep_remainder: true},
 	})
 
 	return partitioned
diff --git a/cc/cc.go b/cc/cc.go
index 0904bd9..5c4edb9 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -3453,23 +3453,27 @@
 
 // ConvertWithBp2build converts Module to Bazel for bp2build.
 func (c *Module) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	prebuilt := c.IsPrebuilt()
 	if c.Binary() {
-		binaryBp2build(ctx, c, ctx.ModuleType())
-	} else if c.Object() {
-		objectBp2Build(ctx, c)
-	} else if c.CcLibrary() {
-		if c.hod == android.HostSupported {
-			return
+		if !prebuilt {
+			binaryBp2build(ctx, c, ctx.ModuleType())
 		}
-
+	} else if c.Object() {
+		if !prebuilt {
+			objectBp2Build(ctx, c)
+		}
+	} else if c.CcLibrary() {
 		static := c.BuildStaticVariant()
 		shared := c.BuildSharedVariant()
-		prebuilt := c.IsPrebuilt()
 
 		if static && shared {
-			libraryBp2Build(ctx, c)
+			if !prebuilt {
+				libraryBp2Build(ctx, c)
+			}
 		} else if !static && !shared {
-			libraryHeadersBp2Build(ctx, c)
+			if !prebuilt {
+				libraryHeadersBp2Build(ctx, c)
+			}
 		} else if static {
 			if prebuilt {
 				prebuiltLibraryStaticBp2Build(ctx, c)
diff --git a/cc/library.go b/cc/library.go
index aec699c..216c124 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -447,6 +447,8 @@
 	module, library := NewLibrary(android.HostSupported)
 	library.BuildOnlyShared()
 	module.sdkMemberTypes = []android.SdkMemberType{sharedLibrarySdkMemberType}
+	module.bazelable = true
+	module.bazelHandler = &ccLibraryBazelHandler{module: module}
 	return module.Init()
 }
 
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index 4c3c7b4..feae812 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -552,7 +552,7 @@
 }
 
 func NewPrebuiltBinary(hod android.HostOrDeviceSupported) (*Module, *binaryDecorator) {
-	module, binary := NewBinary(hod)
+	module, binary := newBinary(hod, false)
 	module.compiler = nil
 
 	prebuilt := &prebuiltBinaryLinker{
diff --git a/java/base.go b/java/base.go
index c0da215..c45ef64 100644
--- a/java/base.go
+++ b/java/base.go
@@ -372,6 +372,7 @@
 	android.DefaultableModuleBase
 	android.ApexModuleBase
 	android.SdkBase
+	android.BazelModuleBase
 
 	// Functionality common to Module and Import.
 	embeddableInModuleAndImport
@@ -1952,3 +1953,17 @@
 }
 
 var _ ModuleWithStem = (*Module)(nil)
+
+func (j *Module) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	switch ctx.ModuleType() {
+	case "java_library", "java_library_host":
+		if lib, ok := ctx.Module().(*Library); ok {
+			javaLibraryBp2Build(ctx, lib)
+		}
+	case "java_binary_host":
+		if binary, ok := ctx.Module().(*Binary); ok {
+			javaBinaryHostBp2Build(ctx, binary)
+		}
+	}
+
+}
diff --git a/java/java.go b/java/java.go
index e7b1f4f..f77c694 100644
--- a/java/java.go
+++ b/java/java.go
@@ -21,7 +21,9 @@
 import (
 	"fmt"
 	"path/filepath"
+	"strings"
 
+	"android/soong/bazel"
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
@@ -756,6 +758,7 @@
 
 	android.InitApexModule(module)
 	android.InitSdkAwareModule(module)
+	android.InitBazelModule(module)
 	InitJavaModule(module, android.HostAndDeviceSupported)
 	return module
 }
@@ -778,6 +781,7 @@
 
 	android.InitApexModule(module)
 	android.InitSdkAwareModule(module)
+	android.InitBazelModule(module)
 	InitJavaModule(module, android.HostSupported)
 	return module
 }
@@ -1228,6 +1232,8 @@
 
 	android.InitAndroidArchModule(module, android.HostAndDeviceSupported, android.MultilibCommonFirst)
 	android.InitDefaultableModule(module)
+	android.InitBazelModule(module)
+
 	return module
 }
 
@@ -1245,6 +1251,7 @@
 
 	android.InitAndroidArchModule(module, android.HostSupported, android.MultilibCommonFirst)
 	android.InitDefaultableModule(module)
+	android.InitBazelModule(module)
 	return module
 }
 
@@ -1961,3 +1968,103 @@
 		clcMap.AddContextMap(dep.ClassLoaderContexts(), depName)
 	}
 }
+
+type javaLibraryAttributes struct {
+	Srcs      bazel.LabelListAttribute
+	Deps      bazel.LabelListAttribute
+	Javacopts bazel.StringListAttribute
+}
+
+func javaLibraryBp2Build(ctx android.TopDownMutatorContext, m *Library) {
+	srcs := bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrcExcludes(ctx, m.properties.Srcs, m.properties.Exclude_srcs))
+	attrs := &javaLibraryAttributes{
+		Srcs: srcs,
+	}
+
+	if m.properties.Javacflags != nil {
+		attrs.Javacopts = bazel.MakeStringListAttribute(m.properties.Javacflags)
+	}
+
+	if m.properties.Libs != nil {
+		attrs.Deps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, m.properties.Libs))
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "java_library",
+		Bzl_load_location: "//build/bazel/rules/java:library.bzl",
+	}
+
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, attrs)
+}
+
+type javaBinaryHostAttributes struct {
+	Srcs       bazel.LabelListAttribute
+	Deps       bazel.LabelListAttribute
+	Main_class string
+	Jvm_flags  bazel.StringListAttribute
+}
+
+// JavaBinaryHostBp2Build is for java_binary_host bp2build.
+func javaBinaryHostBp2Build(ctx android.TopDownMutatorContext, m *Binary) {
+	mainClass := ""
+	if m.binaryProperties.Main_class != nil {
+		mainClass = *m.binaryProperties.Main_class
+	}
+	if m.properties.Manifest != nil {
+		mainClassInManifest, err := android.GetMainClassInManifest(ctx.Config(), android.PathForModuleSrc(ctx, *m.properties.Manifest).String())
+		if err != nil {
+			return
+		}
+		mainClass = mainClassInManifest
+	}
+	srcs := bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrcExcludes(ctx, m.properties.Srcs, m.properties.Exclude_srcs))
+	attrs := &javaBinaryHostAttributes{
+		Srcs:       srcs,
+		Main_class: mainClass,
+	}
+
+	// Attribute deps
+	deps := []string{}
+	if m.properties.Static_libs != nil {
+		deps = append(deps, m.properties.Static_libs...)
+	}
+	if m.binaryProperties.Jni_libs != nil {
+		deps = append(deps, m.binaryProperties.Jni_libs...)
+	}
+	if len(deps) > 0 {
+		attrs.Deps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, deps))
+	}
+
+	// Attribute jvm_flags
+	if m.binaryProperties.Jni_libs != nil {
+		jniLibPackages := map[string]bool{}
+		for _, jniLibLabel := range android.BazelLabelForModuleDeps(ctx, m.binaryProperties.Jni_libs).Includes {
+			jniLibPackage := jniLibLabel.Label
+			indexOfColon := strings.Index(jniLibLabel.Label, ":")
+			if indexOfColon > 0 {
+				// JNI lib from other package
+				jniLibPackage = jniLibLabel.Label[2:indexOfColon]
+			} else if indexOfColon == 0 {
+				// JNI lib in the same package of java_binary
+				packageOfCurrentModule := m.GetBazelLabel(ctx, m)
+				jniLibPackage = packageOfCurrentModule[2:strings.Index(packageOfCurrentModule, ":")]
+			}
+			if _, inMap := jniLibPackages[jniLibPackage]; !inMap {
+				jniLibPackages[jniLibPackage] = true
+			}
+		}
+		jniLibPaths := []string{}
+		for jniLibPackage, _ := range jniLibPackages {
+			// See cs/f:.*/third_party/bazel/.*java_stub_template.txt for the use of RUNPATH
+			jniLibPaths = append(jniLibPaths, "$${RUNPATH}"+jniLibPackage)
+		}
+		attrs.Jvm_flags = bazel.MakeStringListAttribute([]string{"-Djava.library.path=" + strings.Join(jniLibPaths, ":")})
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class: "java_binary",
+	}
+
+	// Create the BazelTargetModule.
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, attrs)
+}
diff --git a/mk2rbc/mk2rbc.go b/mk2rbc/mk2rbc.go
index d5ff181..839dea2 100644
--- a/mk2rbc/mk2rbc.go
+++ b/mk2rbc/mk2rbc.go
@@ -105,7 +105,7 @@
 	"dist-for-goals":                      {baseName + ".mkdist_for_goals", starlarkTypeVoid, hiddenArgGlobal},
 	"enforce-product-packages-exist":      {baseName + ".enforce_product_packages_exist", starlarkTypeVoid, hiddenArgNone},
 	"error":                               {baseName + ".mkerror", starlarkTypeVoid, hiddenArgNone},
-	"findstring":                          {"!findstring", starlarkTypeInt, hiddenArgNone},
+	"findstring":                          {baseName + ".findstring", starlarkTypeString, hiddenArgNone},
 	"find-copy-subdir-files":              {baseName + ".find_and_copy", starlarkTypeList, hiddenArgNone},
 	"find-word-in-list":                   {"!find-word-in-list", starlarkTypeUnknown, hiddenArgNone}, // internal macro
 	"filter":                              {baseName + ".filter", starlarkTypeList, hiddenArgNone},
@@ -1288,8 +1288,21 @@
 			right: &intLiteralExpr{-1},
 			isEq:  !negate,
 		}
+	} else if s, ok := maybeString(xValue); ok {
+		if s2, ok := maybeString(xCall.args[0]); ok && s == s2 {
+			return &eqExpr{
+				left: &callExpr{
+					object:     xCall.args[1],
+					name:       "find",
+					args:       []starlarkExpr{xCall.args[0]},
+					returnType: starlarkTypeInt,
+				},
+				right: &intLiteralExpr{-1},
+				isEq:  negate,
+			}
+		}
 	}
-	return ctx.newBadExpr(directive, "findstring result can be compared only to empty: %s", xValue)
+	return ctx.newBadExpr(directive, "$(findstring) can only be compared to nothing or its first argument")
 }
 
 func (ctx *parseContext) parseCompareStripFuncResult(directive *mkparser.Directive,
diff --git a/mk2rbc/mk2rbc_test.go b/mk2rbc/mk2rbc_test.go
index 78444c9..a1731a2 100644
--- a/mk2rbc/mk2rbc_test.go
+++ b/mk2rbc/mk2rbc_test.go
@@ -633,15 +633,42 @@
 		desc:   "findstring call",
 		mkname: "product.mk",
 		in: `
+result := $(findstring a,a b c)
+result := $(findstring b,x y z)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  _result = rblf.findstring("a", "a b c")
+  _result = rblf.findstring("b", "x y z")
+`,
+	},
+	{
+		desc:   "findstring in if statement",
+		mkname: "product.mk",
+		in: `
+ifeq ($(findstring foo,$(PRODUCT_PACKAGES)),)
+endif
 ifneq ($(findstring foo,$(PRODUCT_PACKAGES)),)
 endif
+ifeq ($(findstring foo,$(PRODUCT_PACKAGES)),foo)
+endif
+ifneq ($(findstring foo,$(PRODUCT_PACKAGES)),foo)
+endif
 `,
 		expected: `load("//build/make/core:product_config.rbc", "rblf")
 
 def init(g, handle):
   cfg = rblf.cfg(handle)
+  if (cfg.get("PRODUCT_PACKAGES", [])).find("foo") == -1:
+    pass
   if (cfg.get("PRODUCT_PACKAGES", [])).find("foo") != -1:
     pass
+  if (cfg.get("PRODUCT_PACKAGES", [])).find("foo") != -1:
+    pass
+  if (cfg.get("PRODUCT_PACKAGES", [])).find("foo") == -1:
+    pass
 `,
 	},
 	{
diff --git a/rust/test.go b/rust/test.go
index 3eea0ad..250b765 100644
--- a/rust/test.go
+++ b/rust/test.go
@@ -210,6 +210,12 @@
 
 func RustTestFactory() android.Module {
 	module, _ := NewRustTest(android.HostAndDeviceSupported)
+
+	// NewRustTest will set MultilibBoth true, however the host variant
+	// cannot produce the non-primary target. Therefore, add the
+	// rustTestHostMultilib load hook to set MultilibFirst for the
+	// host target.
+	android.AddLoadHook(module, rustTestHostMultilib)
 	return module.Init()
 }
 
@@ -236,3 +242,16 @@
 func (test *testDecorator) testBinary() bool {
 	return true
 }
+
+func rustTestHostMultilib(ctx android.LoadHookContext) {
+	type props struct {
+		Target struct {
+			Host struct {
+				Compile_multilib *string
+			}
+		}
+	}
+	p := &props{}
+	p.Target.Host.Compile_multilib = proptools.StringPtr("first")
+	ctx.AppendProperties(p)
+}
diff --git a/scripts/build-mainline-modules.sh b/scripts/build-mainline-modules.sh
deleted file mode 100755
index 1e3f6ce..0000000
--- a/scripts/build-mainline-modules.sh
+++ /dev/null
@@ -1,108 +0,0 @@
-#!/bin/bash -e
-
-# Non exhaustive list of modules where we want prebuilts. More can be added as
-# needed.
-MAINLINE_MODULES=(
-  com.android.art
-  com.android.art.debug
-  com.android.art.testing
-  com.android.conscrypt
-  com.android.i18n
-  com.android.os.statsd
-  com.android.runtime
-  com.android.tzdata
-)
-
-# List of SDKs and module exports we know of.
-MODULES_SDK_AND_EXPORTS=(
-  art-module-sdk
-  art-module-test-exports
-  conscrypt-module-host-exports
-  conscrypt-module-sdk
-  conscrypt-module-test-exports
-  i18n-module-host-exports
-  i18n-module-sdk
-  i18n-module-test-exports
-  platform-mainline-sdk
-  platform-mainline-test-exports
-  runtime-module-host-exports
-  runtime-module-sdk
-  statsd-module-sdk
-  tzdata-module-test-exports
-)
-
-# List of libraries installed on the platform that are needed for ART chroot
-# testing.
-PLATFORM_LIBRARIES=(
-  heapprofd_client_api
-  libartpalette-system
-  liblog
-)
-
-# We want to create apex modules for all supported architectures.
-PRODUCTS=(
-  aosp_arm
-  aosp_arm64
-  aosp_x86
-  aosp_x86_64
-)
-
-if [ ! -e "build/make/core/Makefile" ]; then
-  echo "$0 must be run from the top of the tree"
-  exit 1
-fi
-
-echo_and_run() {
-  echo "$*"
-  "$@"
-}
-
-lib_dir() {
-  case $1 in
-    (aosp_arm|aosp_x86) echo "lib";;
-    (aosp_arm64|aosp_x86_64) echo "lib64";;
-  esac
-}
-
-# Make sure this build builds from source, regardless of the default.
-export SOONG_CONFIG_art_module_source_build=true
-
-# This script does not intend to handle compressed APEX
-export OVERRIDE_PRODUCT_COMPRESSED_APEX=false
-
-OUT_DIR=$(source build/envsetup.sh > /dev/null; TARGET_PRODUCT= get_build_var OUT_DIR)
-DIST_DIR=$(source build/envsetup.sh > /dev/null; TARGET_PRODUCT= get_build_var DIST_DIR)
-
-for product in "${PRODUCTS[@]}"; do
-  echo_and_run build/soong/soong_ui.bash --make-mode $@ \
-    TARGET_PRODUCT=${product} \
-    ${MAINLINE_MODULES[@]} \
-    ${PLATFORM_LIBRARIES[@]}
-
-  PRODUCT_OUT=$(source build/envsetup.sh > /dev/null; TARGET_PRODUCT=${product} get_build_var PRODUCT_OUT)
-  TARGET_ARCH=$(source build/envsetup.sh > /dev/null; TARGET_PRODUCT=${product} get_build_var TARGET_ARCH)
-  rm -rf ${DIST_DIR}/${TARGET_ARCH}/
-  mkdir -p ${DIST_DIR}/${TARGET_ARCH}/
-  for module in "${MAINLINE_MODULES[@]}"; do
-    echo_and_run cp ${PWD}/${PRODUCT_OUT}/system/apex/${module}.apex ${DIST_DIR}/${TARGET_ARCH}/
-  done
-  for library in "${PLATFORM_LIBRARIES[@]}"; do
-    libdir=$(lib_dir $product)
-    echo_and_run cp ${PWD}/${PRODUCT_OUT}/system/${libdir}/${library}.so ${DIST_DIR}/${TARGET_ARCH}/
-  done
-done
-
-# We use force building LLVM components flag (even though we actually don't
-# compile them) because we don't have bionic host prebuilts
-# for them.
-export FORCE_BUILD_LLVM_COMPONENTS=true
-
-# Create multi-archs SDKs in a different out directory. The multi-arch script
-# uses Soong in --soong-only mode which cannot use the same directory as normal
-# mode with make.
-export OUT_DIR=${OUT_DIR}/aml
-echo_and_run build/soong/scripts/build-aml-prebuilts.sh \
-  TARGET_PRODUCT=mainline_sdk ${MODULES_SDK_AND_EXPORTS[@]}
-
-rm -rf ${DIST_DIR}/mainline-sdks
-echo_and_run cp -R ${OUT_DIR}/soong/mainline-sdks ${DIST_DIR}
diff --git a/scripts/gen_java_usedby_apex.sh b/scripts/gen_java_usedby_apex.sh
index 0cadb1a..e398541 100755
--- a/scripts/gen_java_usedby_apex.sh
+++ b/scripts/gen_java_usedby_apex.sh
@@ -32,7 +32,7 @@
   touch "$out"
   echo "<externals>" >> "$out"
   for x in "$@"; do
-    "$dexdeps" "$x" >> "$out" || true
+    "$dexdeps" "$x" >> "$out" || echo "</external>" >> "$out"
   done
   echo "</externals>" >> "$out"
 }