Merge "Remove TARGET_PREFER_32_BIT support."
diff --git a/android/arch.go b/android/arch.go
index 80ac18a..9a54614 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -1026,6 +1026,7 @@
 			"Not_windows",
 			"Arm_on_x86",
 			"Arm_on_x86_64",
+			"Native_bridge",
 		}
 		for _, os := range OsTypeList {
 			targets = append(targets, os.Field)
@@ -1413,6 +1414,11 @@
 					prefix := "target.arm_on_x86_64"
 					m.appendProperties(ctx, genProps, targetProp, field, prefix)
 				}
+				if os == Android && m.Target().NativeBridge == NativeBridgeEnabled {
+					field := "Native_bridge"
+					prefix := "target.native_bridge"
+					m.appendProperties(ctx, genProps, targetProp, field, prefix)
+				}
 			}
 		}
 	}
diff --git a/android/arch_test.go b/android/arch_test.go
index b987d56..8525b03 100644
--- a/android/arch_test.go
+++ b/android/arch_test.go
@@ -383,3 +383,88 @@
 		})
 	}
 }
+
+func TestArchMutatorNativeBridge(t *testing.T) {
+	bp := `
+		// This module is only enabled for x86.
+		module {
+			name: "foo",
+		}
+
+		// This module is enabled for x86 and arm (via native bridge).
+		module {
+			name: "bar",
+			native_bridge_supported: true,
+		}
+
+		// This module is enabled for arm (native_bridge) only.
+		module {
+			name: "baz",
+			native_bridge_supported: true,
+			enabled: false,
+			target: {
+				native_bridge: {
+					enabled: true,
+				}
+			}
+		}
+	`
+
+	testCases := []struct {
+		name        string
+		config      func(Config)
+		fooVariants []string
+		barVariants []string
+		bazVariants []string
+	}{
+		{
+			name:        "normal",
+			config:      nil,
+			fooVariants: []string{"android_x86_64_silvermont", "android_x86_silvermont"},
+			barVariants: []string{"android_x86_64_silvermont", "android_native_bridge_arm64_armv8-a", "android_x86_silvermont", "android_native_bridge_arm_armv7-a-neon"},
+			bazVariants: []string{"android_native_bridge_arm64_armv8-a", "android_native_bridge_arm_armv7-a-neon"},
+		},
+	}
+
+	enabledVariants := func(ctx *TestContext, name string) []string {
+		var ret []string
+		variants := ctx.ModuleVariantsForTests(name)
+		for _, variant := range variants {
+			m := ctx.ModuleForTests(name, variant)
+			if m.Module().Enabled() {
+				ret = append(ret, variant)
+			}
+		}
+		return ret
+	}
+
+	for _, tt := range testCases {
+		t.Run(tt.name, func(t *testing.T) {
+			config := TestArchConfigNativeBridge(buildDir, nil, bp, nil)
+
+			ctx := NewTestArchContext()
+			ctx.RegisterModuleType("module", archTestModuleFactory)
+			ctx.Register(config)
+			if tt.config != nil {
+				tt.config(config)
+			}
+
+			_, errs := ctx.ParseFileList(".", []string{"Android.bp"})
+			FailIfErrored(t, errs)
+			_, errs = ctx.PrepareBuildActions(config)
+			FailIfErrored(t, errs)
+
+			if g, w := enabledVariants(ctx, "foo"), tt.fooVariants; !reflect.DeepEqual(w, g) {
+				t.Errorf("want foo variants:\n%q\ngot:\n%q\n", w, g)
+			}
+
+			if g, w := enabledVariants(ctx, "bar"), tt.barVariants; !reflect.DeepEqual(w, g) {
+				t.Errorf("want bar variants:\n%q\ngot:\n%q\n", w, g)
+			}
+
+			if g, w := enabledVariants(ctx, "baz"), tt.bazVariants; !reflect.DeepEqual(w, g) {
+				t.Errorf("want qux variants:\n%q\ngot:\n%q\n", w, g)
+			}
+		})
+	}
+}
diff --git a/cc/compiler.go b/cc/compiler.go
index 681b1ab..e7495da 100644
--- a/cc/compiler.go
+++ b/cc/compiler.go
@@ -300,8 +300,7 @@
 	if !(ctx.useSdk() || ctx.useVndk()) || ctx.Host() {
 		flags.SystemIncludeFlags = append(flags.SystemIncludeFlags,
 			"${config.CommonGlobalIncludes}",
-			tc.IncludeFlags(),
-			"${config.CommonNativehelperInclude}")
+			tc.IncludeFlags())
 	}
 
 	if ctx.useSdk() {
diff --git a/java/config/config.go b/java/config/config.go
index edaed2a..bb5be3a 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -28,8 +28,9 @@
 var (
 	pctx = android.NewPackageContext("android/soong/java/config")
 
-	DefaultBootclasspathLibraries = []string{"core.platform.api.stubs", "core-lambda-stubs"}
-	DefaultSystemModules          = "core-platform-api-stubs-system-modules"
+	// TODO(b/157640067): Don't depend on the legacy API by default in the long term.
+	DefaultBootclasspathLibraries = []string{"legacy.core.platform.api.stubs", "core-lambda-stubs"}
+	DefaultSystemModules          = "legacy-core-platform-api-stubs-system-modules"
 	DefaultLibraries              = []string{"ext", "framework"}
 	DefaultLambdaStubsLibrary     = "core-lambda-stubs"
 	SdkLambdaStubsPath            = "prebuilts/sdk/tools/core-lambda-stubs.jar"
diff --git a/java/droiddoc.go b/java/droiddoc.go
index d61c62c..4c3e112 100644
--- a/java/droiddoc.go
+++ b/java/droiddoc.go
@@ -1424,10 +1424,9 @@
 	rule.HighMem()
 	cmd := rule.Command()
 
-	rspFile := ""
+	var implicitsRsp android.WritablePath
 	if len(implicits) > 0 {
-		implicitsRsp := android.PathForModuleOut(ctx, ctx.ModuleName()+"-"+"implicits.rsp")
-		rspFile = implicitsRsp.String()
+		implicitsRsp = android.PathForModuleOut(ctx, ctx.ModuleName()+"-"+"implicits.rsp")
 		impRule := android.NewRuleBuilder()
 		impCmd := impRule.Command()
 		// A dummy action that copies the ninja generated rsp file to a new location. This allows us to
@@ -1454,10 +1453,10 @@
 			inputs = append(inputs, strings.Split(v, ",")...)
 		}
 		cmd.Text((&remoteexec.REParams{
-			Labels:          map[string]string{"type": "compile", "lang": "java", "compiler": "metalava"},
+			Labels:          map[string]string{"type": "compile", "lang": "java", "compiler": "metalava", "shallow": "true"},
 			ExecStrategy:    execStrategy,
 			Inputs:          inputs,
-			RSPFile:         rspFile,
+			RSPFile:         implicitsRsp.String(),
 			ToolchainInputs: []string{config.JavaCmd(ctx).String()},
 			Platform:        map[string]string{remoteexec.PoolKey: pool},
 		}).NoVarTemplate(ctx.Config()))
@@ -1468,7 +1467,12 @@
 		FlagWithArg("-encoding ", "UTF-8").
 		FlagWithArg("-source ", javaVersion.String()).
 		FlagWithRspFileInputList("@", srcs).
-		FlagWithInput("@", srcJarList)
+		FlagWithInput("@", srcJarList).
+		FlagWithOutput("--strict-input-files:warn ", android.PathForModuleOut(ctx, ctx.ModuleName()+"-"+"violations.txt"))
+
+	if implicitsRsp.String() != "" {
+		cmd.FlagWithArg("--strict-input-files-exempt ", "@"+implicitsRsp.String())
+	}
 
 	if len(bootclasspath) > 0 {
 		cmd.FlagWithInputList("-bootclasspath ", bootclasspath.Paths(), ":")
diff --git a/java/hiddenapi_singleton.go b/java/hiddenapi_singleton.go
index 2f35798..bff591c 100644
--- a/java/hiddenapi_singleton.go
+++ b/java/hiddenapi_singleton.go
@@ -116,7 +116,7 @@
 
 	// Core Platform API stubs
 	corePlatformStubModules := []string{
-		"core.platform.api.stubs",
+		"legacy.core.platform.api.stubs",
 	}
 
 	// Allow products to define their own stubs for custom product jars that apps can use.
diff --git a/java/java.go b/java/java.go
index 0ba1f5a..226e0b9 100644
--- a/java/java.go
+++ b/java/java.go
@@ -837,8 +837,9 @@
 
 func (m *Module) getLinkType(name string) (ret linkType, stubs bool) {
 	switch name {
-	case "core.current.stubs", "core.platform.api.stubs", "stub-annotations",
-		"private-stub-annotations-jar", "core-lambda-stubs", "core-generated-annotation-stubs":
+	case "core.current.stubs", "legacy.core.platform.api.stubs", "stable.core.platform.api.stubs",
+		"stub-annotations", "private-stub-annotations-jar",
+		"core-lambda-stubs", "core-generated-annotation-stubs":
 		return javaCore, true
 	case "android_stubs_current":
 		return javaSdk, true
@@ -2753,8 +2754,10 @@
 
 	j.maybeStrippedDexJarFile = dexOutputFile
 
-	ctx.InstallFile(android.PathForModuleInstall(ctx, "framework"),
-		j.Stem()+".jar", dexOutputFile)
+	if j.IsForPlatform() {
+		ctx.InstallFile(android.PathForModuleInstall(ctx, "framework"),
+			j.Stem()+".jar", dexOutputFile)
+	}
 }
 
 func (j *DexImport) DexJarBuildPath() android.Path {
diff --git a/java/sdk_test.go b/java/sdk_test.go
index 52d2df5..e5d322c 100644
--- a/java/sdk_test.go
+++ b/java/sdk_test.go
@@ -156,9 +156,9 @@
 		{
 
 			name:           "nostdlib system_modules",
-			properties:     `sdk_version: "none", system_modules: "core-platform-api-stubs-system-modules"`,
-			system:         "core-platform-api-stubs-system-modules",
-			bootclasspath:  []string{"core-platform-api-stubs-system-modules-lib"},
+			properties:     `sdk_version: "none", system_modules: "legacy-core-platform-api-stubs-system-modules"`,
+			system:         "legacy-core-platform-api-stubs-system-modules",
+			bootclasspath:  []string{"legacy-core-platform-api-stubs-system-modules-lib"},
 			java8classpath: []string{},
 		},
 		{
diff --git a/java/testing.go b/java/testing.go
index faf4d32..f993f56 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -173,7 +173,8 @@
 		"android_module_lib_stubs_current",
 		"android_system_server_stubs_current",
 		"core.current.stubs",
-		"core.platform.api.stubs",
+		"legacy.core.platform.api.stubs",
+		"stable.core.platform.api.stubs",
 		"kotlin-stdlib",
 		"kotlin-stdlib-jdk7",
 		"kotlin-stdlib-jdk8",
@@ -186,7 +187,7 @@
 				name: "%s",
 				srcs: ["a.java"],
 				sdk_version: "none",
-				system_modules: "core-platform-api-stubs-system-modules",
+				system_modules: "legacy-core-platform-api-stubs-system-modules",
 			}
 		`, extra)
 	}
@@ -196,7 +197,7 @@
 			name: "framework",
 			srcs: ["a.java"],
 			sdk_version: "none",
-			system_modules: "core-platform-api-stubs-system-modules",
+			system_modules: "legacy-core-platform-api-stubs-system-modules",
 			aidl: {
 				export_include_dirs: ["framework/aidl"],
 			},
@@ -211,7 +212,7 @@
 			name: "android.hidl.base-V1.0-java",
 			srcs: ["a.java"],
 			sdk_version: "none",
-			system_modules: "core-platform-api-stubs-system-modules",
+			system_modules: "legacy-core-platform-api-stubs-system-modules",
 			installable: true,
 		}
 
@@ -219,7 +220,7 @@
 			name: "android.hidl.manager-V1.0-java",
 			srcs: ["a.java"],
 			sdk_version: "none",
-			system_modules: "core-platform-api-stubs-system-modules",
+			system_modules: "legacy-core-platform-api-stubs-system-modules",
 			installable: true,
 		}
 
@@ -227,7 +228,7 @@
 			name: "org.apache.http.legacy",
 			srcs: ["a.java"],
 			sdk_version: "none",
-			system_modules: "core-platform-api-stubs-system-modules",
+			system_modules: "legacy-core-platform-api-stubs-system-modules",
 			installable: true,
 		}
 
@@ -235,7 +236,7 @@
 			name: "android.test.base",
 			srcs: ["a.java"],
 			sdk_version: "none",
-			system_modules: "core-platform-api-stubs-system-modules",
+			system_modules: "legacy-core-platform-api-stubs-system-modules",
 			installable: true,
 		}
   
@@ -243,14 +244,14 @@
 			name: "android.test.mock",
 			srcs: ["a.java"],
 			sdk_version: "none",
-			system_modules: "core-platform-api-stubs-system-modules",
+			system_modules: "legacy-core-platform-api-stubs-system-modules",
 			installable: true,
 		}
 	`
 
 	systemModules := []string{
 		"core-current-stubs-system-modules",
-		"core-platform-api-stubs-system-modules",
+		"legacy-core-platform-api-stubs-system-modules",
 	}
 
 	for _, extra := range systemModules {
diff --git a/rust/library.go b/rust/library.go
index 8aa033c..2e51266 100644
--- a/rust/library.go
+++ b/rust/library.go
@@ -329,12 +329,21 @@
 
 	return deps
 }
+
+func (library *libraryDecorator) sharedLibFilename(ctx ModuleContext) string {
+	return library.getStem(ctx) + ctx.toolchain().SharedLibSuffix()
+}
+
 func (library *libraryDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
 	flags.RustFlags = append(flags.RustFlags, "-C metadata="+ctx.baseModuleName())
 	flags = library.baseCompiler.compilerFlags(ctx, flags)
 	if library.shared() || library.static() {
 		library.includeDirs = append(library.includeDirs, android.PathsForModuleSrc(ctx, library.Properties.Include_dirs)...)
 	}
+	if library.shared() {
+		flags.LinkFlags = append(flags.LinkFlags, "-Wl,-soname="+library.sharedLibFilename(ctx))
+	}
+
 	return flags
 }
 
@@ -371,7 +380,7 @@
 		outputs := TransformSrctoStatic(ctx, srcPath, deps, flags, outputFile, deps.linkDirs)
 		library.coverageFile = outputs.coverageFile
 	} else if library.shared() {
-		fileName := library.getStem(ctx) + ctx.toolchain().SharedLibSuffix()
+		fileName := library.sharedLibFilename(ctx)
 		outputFile = android.PathForModuleOut(ctx, fileName)
 
 		outputs := TransformSrctoShared(ctx, srcPath, deps, flags, outputFile, deps.linkDirs)
diff --git a/rust/library_test.go b/rust/library_test.go
index 9f9f374..37dd541 100644
--- a/rust/library_test.go
+++ b/rust/library_test.go
@@ -114,3 +114,17 @@
 			}`)
 
 }
+
+func TestSharedLibraryFlags(t *testing.T) {
+	ctx := testRust(t, `
+		rust_library_host {
+			name: "libfoo",
+			srcs: ["foo.rs"],
+			crate_name: "foo",
+		}`)
+
+	libfooShared := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_shared").Output("libfoo.so")
+	if !strings.Contains(libfooShared.Args["linkFlags"], "-Wl,-soname=libfoo.so") {
+		t.Errorf("missing expected -Wl,-soname linker flag for libfoo shared lib, linkFlags: %#v", libfooShared.Args["linkFlags"])
+	}
+}
diff --git a/sdk/java_sdk_test.go b/sdk/java_sdk_test.go
index af792f2..56706c7 100644
--- a/sdk/java_sdk_test.go
+++ b/sdk/java_sdk_test.go
@@ -43,10 +43,10 @@
 	name: "core-current-stubs-system-modules",
 }
 java_system_modules_import {
-	name: "core-platform-api-stubs-system-modules",
+	name: "legacy-core-platform-api-stubs-system-modules",
 }
 java_import {
-	name: "core.platform.api.stubs",
+	name: "legacy.core.platform.api.stubs",
 }
 java_import {
 	name: "android_stubs_current",