Merge "Use aidl_library in cc libraries"
diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index 5291eca..10cf60a 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -29,6 +29,7 @@
 	"android/soong/bazel/cquery"
 	"android/soong/shared"
 	"android/soong/starlark_fmt"
+
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/metrics"
 
@@ -700,9 +701,6 @@
 		// We don't need to set --host_platforms because it's set in bazelrc files
 		// that the bazel shell script wrapper passes
 
-		// Explicitly disable downloading rules (such as canonical C++ and Java rules) from the network.
-		"--experimental_repository_disable_download",
-
 		// Suppress noise
 		"--ui_event_filters=-INFO",
 		"--noshow_progress",
diff --git a/android/config.go b/android/config.go
index 9e94e05..acadb3f 100644
--- a/android/config.go
+++ b/android/config.go
@@ -183,6 +183,16 @@
 	return String(c.config.productVariables.DeviceMaxPageSizeSupported)
 }
 
+// The release version passed to aconfig, derived from RELEASE_VERSION
+func (c Config) ReleaseVersion() string {
+	return c.config.productVariables.ReleaseVersion
+}
+
+// The flag values files passed to aconfig, derived from RELEASE_VERSION
+func (c Config) ReleaseDeviceConfigValueSets() []string {
+	return c.config.productVariables.ReleaseDeviceConfigValueSets
+}
+
 // A DeviceConfig object represents the configuration for a particular device
 // being built. For now there will only be one of these, but in the future there
 // may be multiple devices being built.
diff --git a/android/variable.go b/android/variable.go
index bf66135..97171e7 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -473,6 +473,9 @@
 	ProductManufacturer string   `json:",omitempty"`
 	ProductBrand        string   `json:",omitempty"`
 	BuildVersionTags    []string `json:",omitempty"`
+
+	ReleaseVersion               string   `json:",omitempty"`
+	ReleaseDeviceConfigValueSets []string `json:",omitempty"`
 }
 
 func boolPtr(v bool) *bool {
diff --git a/apex/apex.go b/apex/apex.go
index 026734e..ff7ee35 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -404,7 +404,7 @@
 	///////////////////////////////////////////////////////////////////////////////////////////
 	// Inputs
 
-	// Keys for apex_paylaod.img
+	// Keys for apex_payload.img
 	publicKeyFile  android.Path
 	privateKeyFile android.Path
 
@@ -2606,8 +2606,45 @@
 	ctx.WalkDepsBlueprint(func(child, parent blueprint.Module) bool { return a.depVisitor(&vctx, ctx, child, parent) })
 	vctx.normalizeFileInfo(ctx)
 	if a.privateKeyFile == nil {
-		ctx.PropertyErrorf("key", "private_key for %q could not be found", String(a.overridableProperties.Key))
-		return
+		if ctx.Config().AllowMissingDependencies() {
+			// TODO(b/266099037): a better approach for slim manifests.
+			ctx.AddMissingDependencies([]string{String(a.overridableProperties.Key)})
+			// Create placeholder paths for later stages that expect to see those paths,
+			// though they won't be used.
+			var unusedPath = android.PathForModuleOut(ctx, "nonexistentprivatekey")
+			ctx.Build(pctx, android.BuildParams{
+				Rule:   android.ErrorRule,
+				Output: unusedPath,
+				Args: map[string]string{
+					"error": "Private key not available",
+				},
+			})
+			a.privateKeyFile = unusedPath
+		} else {
+			ctx.PropertyErrorf("key", "private_key for %q could not be found", String(a.overridableProperties.Key))
+			return
+		}
+	}
+
+	if a.publicKeyFile == nil {
+		if ctx.Config().AllowMissingDependencies() {
+			// TODO(b/266099037): a better approach for slim manifests.
+			ctx.AddMissingDependencies([]string{String(a.overridableProperties.Key)})
+			// Create placeholder paths for later stages that expect to see those paths,
+			// though they won't be used.
+			var unusedPath = android.PathForModuleOut(ctx, "nonexistentpublickey")
+			ctx.Build(pctx, android.BuildParams{
+				Rule:   android.ErrorRule,
+				Output: unusedPath,
+				Args: map[string]string{
+					"error": "Public key not available",
+				},
+			})
+			a.publicKeyFile = unusedPath
+		} else {
+			ctx.PropertyErrorf("key", "public_key for %q could not be found", String(a.overridableProperties.Key))
+			return
+		}
 	}
 
 	////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index e998ac8..17b1608 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -4601,3 +4601,59 @@
 	},
 	)
 }
+
+func TestCcLibraryYaccConversion(t *testing.T) {
+	runCcLibraryTestCase(t, Bp2buildTestCase{
+		Description:                "cc_library is built from .y/.yy files",
+		ModuleTypeUnderTest:        "cc_library",
+		ModuleTypeUnderTestFactory: cc.LibraryFactory,
+		Blueprint: soongCcLibraryPreamble + `cc_library {
+    name: "a",
+    srcs: [
+	"a.cpp",
+	"a.yy",
+    ],
+    shared_libs: ["sharedlib"],
+    static_libs: ["staticlib"],
+    yacc: {
+	    flags: ["someYaccFlag"],
+	    gen_location_hh: true,
+	    gen_position_hh: true,
+	},
+}
+cc_library_static {
+	name: "staticlib",
+	bazel_module: { bp2build_available: false },
+}
+cc_library {
+	name: "sharedlib",
+	bazel_module: { bp2build_available: false },
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_yacc_static_library", "a_yacc", AttrNameToString{
+				"src":                         `"a.yy"`,
+				"implementation_deps":         `[":staticlib"]`,
+				"implementation_dynamic_deps": `[":sharedlib"]`,
+				"flags":                       `["someYaccFlag"]`,
+				"gen_location_hh":             "True",
+				"gen_position_hh":             "True",
+				"local_includes":              `["."]`,
+			}),
+			MakeBazelTarget("cc_library_shared", "a", AttrNameToString{
+				"srcs":                              `["a.cpp"]`,
+				"implementation_deps":               `[":staticlib"]`,
+				"implementation_dynamic_deps":       `[":sharedlib"]`,
+				"implementation_whole_archive_deps": `[":a_yacc"]`,
+				"local_includes":                    `["."]`,
+			}),
+			MakeBazelTarget("cc_library_static", "a_bp2build_cc_library_static", AttrNameToString{
+				"srcs":                              `["a.cpp"]`,
+				"implementation_deps":               `[":staticlib"]`,
+				"implementation_dynamic_deps":       `[":sharedlib"]`,
+				"implementation_whole_archive_deps": `[":a_yacc"]`,
+				"local_includes":                    `["."]`,
+			}),
+		},
+	})
+}
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 0f978a5..29e8494 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -38,6 +38,7 @@
 	protoSrcPartition   = "proto"
 	aidlSrcPartition    = "aidl"
 	syspropSrcPartition = "sysprop"
+	yaccSrcPartition    = "yacc"
 
 	stubsSuffix = "_stub_libs_current"
 )
@@ -154,6 +155,7 @@
 		// 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},
 		syspropSrcPartition: bazel.LabelPartition{Extensions: []string{".sysprop"}},
+		yaccSrcPartition:    bazel.LabelPartition{Extensions: []string{".y", "yy"}},
 	}
 
 	return bazel.PartitionLabelListAttribute(ctx, &srcs, labels)
@@ -404,6 +406,12 @@
 	// Sysprop sources
 	syspropSrcs bazel.LabelListAttribute
 
+	// Yacc sources
+	yaccSrc               *bazel.LabelAttribute
+	yaccFlags             bazel.StringListAttribute
+	yaccGenLocationHeader bazel.BoolAttribute
+	yaccGenPositionHeader bazel.BoolAttribute
+
 	hdrs bazel.LabelListAttribute
 
 	rtti bazel.BoolAttribute
@@ -566,6 +574,12 @@
 	ca.asmSrcs = partitionedSrcs[asmSrcPartition]
 	ca.lSrcs = partitionedSrcs[lSrcPartition]
 	ca.llSrcs = partitionedSrcs[llSrcPartition]
+	if yacc := partitionedSrcs[yaccSrcPartition]; !yacc.IsEmpty() {
+		if len(yacc.Value.Includes) > 1 {
+			ctx.PropertyErrorf("srcs", "Found multiple yacc (.y/.yy) files in library")
+		}
+		ca.yaccSrc = bazel.MakeLabelAttribute(yacc.Value.Includes[0].Label)
+	}
 	ca.syspropSrcs = partitionedSrcs[syspropSrcPartition]
 
 	ca.absoluteIncludes.DeduplicateAxesFromBase()
@@ -744,6 +758,11 @@
 				if baseCompilerProps.Lex != nil {
 					compilerAttrs.lexopts.SetSelectValue(axis, cfg, baseCompilerProps.Lex.Flags)
 				}
+				if baseCompilerProps.Yacc != nil {
+					compilerAttrs.yaccFlags.SetSelectValue(axis, cfg, baseCompilerProps.Yacc.Flags)
+					compilerAttrs.yaccGenLocationHeader.SetSelectValue(axis, cfg, baseCompilerProps.Yacc.Gen_location_hh)
+					compilerAttrs.yaccGenPositionHeader.SetSelectValue(axis, cfg, baseCompilerProps.Yacc.Gen_position_hh)
+				}
 				(&compilerAttrs).bp2buildForAxisAndConfig(ctx, axis, cfg, baseCompilerProps)
 				aidlLibs.Append(android.BazelLabelForModuleDeps(ctx, baseCompilerProps.Aidl.Libs))
 			}
@@ -836,6 +855,12 @@
 		}
 	}
 
+	// Create a cc_yacc_static_library if srcs contains .y/.yy files
+	// This internal target will produce an .a file that will be statically linked to the parent library
+	if yaccDep := bp2buildCcYaccLibrary(ctx, compilerAttrs, linkerAttrs); yaccDep != nil {
+		(&linkerAttrs).implementationWholeArchiveDeps.Add(yaccDep)
+	}
+
 	convertedLSrcs := bp2BuildLex(ctx, module.Name(), compilerAttrs)
 	(&compilerAttrs).srcs.Add(&convertedLSrcs.srcName)
 	(&compilerAttrs).cSrcs.Add(&convertedLSrcs.cSrcName)
@@ -874,6 +899,48 @@
 	}
 }
 
+type ccYaccLibraryAttributes struct {
+	Src                         bazel.LabelAttribute
+	Flags                       bazel.StringListAttribute
+	Gen_location_hh             bazel.BoolAttribute
+	Gen_position_hh             bazel.BoolAttribute
+	Local_includes              bazel.StringListAttribute
+	Implementation_deps         bazel.LabelListAttribute
+	Implementation_dynamic_deps bazel.LabelListAttribute
+}
+
+func bp2buildCcYaccLibrary(ctx android.Bp2buildMutatorContext, ca compilerAttributes, la linkerAttributes) *bazel.LabelAttribute {
+	if ca.yaccSrc == nil {
+		return nil
+	}
+	yaccLibraryLabel := ctx.Module().Name() + "_yacc"
+	ctx.CreateBazelTargetModule(
+		bazel.BazelTargetModuleProperties{
+			Rule_class:        "cc_yacc_static_library",
+			Bzl_load_location: "//build/bazel/rules/cc:cc_yacc_library.bzl",
+		},
+		android.CommonAttributes{
+			Name: yaccLibraryLabel,
+		},
+		&ccYaccLibraryAttributes{
+			Src:                         *ca.yaccSrc,
+			Flags:                       ca.yaccFlags,
+			Gen_location_hh:             ca.yaccGenLocationHeader,
+			Gen_position_hh:             ca.yaccGenPositionHeader,
+			Local_includes:              ca.localIncludes,
+			Implementation_deps:         la.implementationDeps,
+			Implementation_dynamic_deps: la.implementationDynamicDeps,
+		},
+	)
+
+	yaccLibrary := &bazel.LabelAttribute{
+		Value: &bazel.Label{
+			Label: ":" + yaccLibraryLabel,
+		},
+	}
+	return yaccLibrary
+}
+
 // As a workaround for b/261657184, we are manually adding the default value
 // of system_dynamic_deps for the linux_musl os.
 // TODO: Solve this properly
diff --git a/cc/builder.go b/cc/builder.go
index fef00d4..f5e0dcc 100644
--- a/cc/builder.go
+++ b/cc/builder.go
@@ -125,6 +125,14 @@
 		},
 		"objcopyCmd", "prefix")
 
+	// Rule to run objcopy --remove-section=.llvm_addrsig on a partially linked object
+	noAddrSig = pctx.AndroidStaticRule("noAddrSig",
+		blueprint.RuleParams{
+			Command:     "rm -f ${out} && $objcopyCmd --remove-section=.llvm_addrsig ${in} ${out}",
+			CommandDeps: []string{"$objcopyCmd"},
+		},
+		"objcopyCmd")
+
 	_ = pctx.SourcePathVariable("stripPath", "build/soong/scripts/strip.sh")
 	_ = pctx.SourcePathVariable("xzCmd", "prebuilts/build-tools/${config.HostPrebuiltTag}/bin/xz")
 	_ = pctx.SourcePathVariable("createMiniDebugInfo", "prebuilts/build-tools/${config.HostPrebuiltTag}/bin/create_minidebuginfo")
@@ -1008,6 +1016,21 @@
 	})
 }
 
+// Generate a rule for running objcopy --remove-section=.llvm_addrsig on a partially linked object
+func transformObjectNoAddrSig(ctx android.ModuleContext, inputFile android.Path, outputFile android.WritablePath) {
+	objcopyCmd := "${config.ClangBin}/llvm-objcopy"
+
+	ctx.Build(pctx, android.BuildParams{
+		Rule:        noAddrSig,
+		Description: "remove addrsig " + outputFile.Base(),
+		Output:      outputFile,
+		Input:       inputFile,
+		Args: map[string]string{
+			"objcopyCmd": objcopyCmd,
+		},
+	})
+}
+
 // Registers a build statement to invoke `strip` (to discard symbols and data from object files).
 func transformStrip(ctx android.ModuleContext, inputFile android.Path,
 	outputFile android.WritablePath, flags StripFlags) {
diff --git a/cc/object.go b/cc/object.go
index 5d61872..ca14845 100644
--- a/cc/object.go
+++ b/cc/object.go
@@ -309,6 +309,8 @@
 			})
 		}
 	} else {
+		outputAddrSig := android.PathForModuleOut(ctx, "addrsig", outputName)
+
 		if String(object.Properties.Prefix_symbols) != "" {
 			input := android.PathForModuleOut(ctx, "unprefixed", outputName)
 			transformBinaryPrefixSymbols(ctx, String(object.Properties.Prefix_symbols), input,
@@ -316,7 +318,12 @@
 			output = input
 		}
 
-		transformObjsToObj(ctx, objs.objFiles, builderFlags, output, flags.LdFlagsDeps)
+		transformObjsToObj(ctx, objs.objFiles, builderFlags, outputAddrSig, flags.LdFlagsDeps)
+
+		// ld -r reorders symbols and invalidates the .llvm_addrsig section, which then causes warnings
+		// if the resulting object is used with ld --icf=safe.  Strip the .llvm_addrsig section to
+		// prevent the warnings.
+		transformObjectNoAddrSig(ctx, outputAddrSig, output)
 	}
 
 	ctx.CheckbuildFile(outputFile)
diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index 10b09d3..cf6c1c7 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -133,6 +133,10 @@
 	ninjaDeps = append(ninjaDeps, writeBuildGlobsNinjaFile(ctx)...)
 
 	writeDepFile(cmdlineArgs.OutFile, ctx.EventHandler, ninjaDeps)
+
+	if ctx.Config().IsEnvTrue("SOONG_GENERATES_NINJA_HINT") {
+		writeNinjaHint(ctx)
+	}
 	return cmdlineArgs.OutFile
 }
 
@@ -455,6 +459,9 @@
 		// The actual output (build.ninja) was written in the RunBlueprint() call
 		// above
 		writeDepFile(cmdlineArgs.OutFile, ctx.EventHandler, ninjaDeps)
+		if ctx.Config().IsEnvTrue("SOONG_GENERATES_NINJA_HINT") {
+			writeNinjaHint(ctx)
+		}
 		return cmdlineArgs.OutFile
 	}
 }
@@ -535,9 +542,6 @@
 		} else {
 			finalOutputFile = runSoongOnlyBuild(ctx, extraNinjaDeps)
 		}
-		if ctx.Config().IsEnvTrue("SOONG_GENERATES_NINJA_HINT") {
-			writeNinjaHint(ctx)
-		}
 		writeMetrics(configuration, ctx.EventHandler, metricsDir)
 	}
 	writeUsedEnvironmentFile(configuration)
diff --git a/device_config/Android.bp b/device_config/Android.bp
new file mode 100644
index 0000000..360b389
--- /dev/null
+++ b/device_config/Android.bp
@@ -0,0 +1,30 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+bootstrap_go_package {
+    name: "soong-device_config",
+    pkgPath: "android/soong/device_config",
+    deps: [
+        "blueprint",
+        "blueprint-pathtools",
+        "sbox_proto",
+        "soong",
+        "soong-android",
+        "soong-bazel",
+        "soong-shared",
+    ],
+    srcs: [
+        "device_config_definitions.go",
+        "device_config_values.go",
+        "device_config_value_set.go",
+        "init.go",
+        //"testing.go"
+    ],
+    /*
+    testSrcs: [
+        "device_config_test.go",
+    ],
+    */
+    pluginFor: ["soong_build"],
+}
diff --git a/device_config/device_config_definitions.go b/device_config/device_config_definitions.go
new file mode 100644
index 0000000..c565766
--- /dev/null
+++ b/device_config/device_config_definitions.go
@@ -0,0 +1,150 @@
+// Copyright 2023 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 device_config
+
+import (
+	"android/soong/android"
+	"fmt"
+	"github.com/google/blueprint"
+	"strings"
+)
+
+type DefinitionsModule struct {
+	android.ModuleBase
+	android.DefaultableModuleBase
+
+	// Properties for "device_config_definitions"
+	properties struct {
+		// aconfig files, relative to this Android.bp file
+		Srcs []string `android:"path"`
+
+		// Release config flag namespace
+		Namespace string
+
+		// Values from TARGET_RELEASE / RELEASE_DEVICE_CONFIG_VALUE_SETS
+		Values []string `blueprint:"mutated"`
+	}
+
+	intermediatePath android.WritablePath
+	srcJarPath       android.WritablePath
+}
+
+func DefinitionsFactory() android.Module {
+	module := &DefinitionsModule{}
+
+	android.InitAndroidModule(module)
+	android.InitDefaultableModule(module)
+	module.AddProperties(&module.properties)
+	// TODO: bp2build
+	//android.InitBazelModule(module)
+
+	return module
+}
+
+type implicitValuesTagType struct {
+	blueprint.BaseDependencyTag
+}
+
+var implicitValuesTag = implicitValuesTagType{}
+
+func (module *DefinitionsModule) DepsMutator(ctx android.BottomUpMutatorContext) {
+	// Validate Properties
+	if len(module.properties.Srcs) == 0 {
+		ctx.PropertyErrorf("srcs", "missing source files")
+		return
+	}
+	if len(module.properties.Namespace) == 0 {
+		ctx.PropertyErrorf("namespace", "missing namespace property")
+	}
+
+	// Add a dependency on the device_config_value_sets defined in
+	// RELEASE_DEVICE_CONFIG_VALUE_SETS, and add any device_config_values that
+	// match our namespace.
+	valuesFromConfig := ctx.Config().ReleaseDeviceConfigValueSets()
+	ctx.AddDependency(ctx.Module(), implicitValuesTag, valuesFromConfig...)
+}
+
+func (module *DefinitionsModule) OutputFiles(tag string) (android.Paths, error) {
+	switch tag {
+	case ".srcjar":
+		return []android.Path{module.srcJarPath}, nil
+	case "":
+		// The default output of this module is the intermediates format, which is
+		// not installable and in a private format that no other rules can handle
+		// correctly.
+		return []android.Path{module.intermediatePath}, nil
+	default:
+		return nil, fmt.Errorf("unsupported device_config_definitions module reference tag %q", tag)
+	}
+}
+
+func joinAndPrefix(prefix string, values []string) string {
+	var sb strings.Builder
+	for _, v := range values {
+		sb.WriteString(prefix)
+		sb.WriteString(v)
+	}
+	return sb.String()
+}
+
+func (module *DefinitionsModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	// Get the values that came from the global RELEASE_DEVICE_CONFIG_VALUE_SETS flag
+	ctx.VisitDirectDeps(func(dep android.Module) {
+		if !ctx.OtherModuleHasProvider(dep, valueSetProviderKey) {
+			// Other modules get injected as dependencies too, for example the license modules
+			return
+		}
+		depData := ctx.OtherModuleProvider(dep, valueSetProviderKey).(valueSetProviderData)
+		valuesFiles, ok := depData.AvailableNamespaces[module.properties.Namespace]
+		if ok {
+			for _, path := range valuesFiles {
+				module.properties.Values = append(module.properties.Values, path.String())
+			}
+		}
+	})
+
+	// Intermediate format
+	inputFiles := android.PathsForModuleSrc(ctx, module.properties.Srcs)
+	module.intermediatePath = android.PathForModuleOut(ctx, "intermediate.json")
+	ctx.Build(pctx, android.BuildParams{
+		Rule:        aconfigRule,
+		Inputs:      inputFiles,
+		Output:      module.intermediatePath,
+		Description: "device_config_definitions",
+		Args: map[string]string{
+			"release_version": ctx.Config().ReleaseVersion(),
+			"namespace":       module.properties.Namespace,
+			"values":          joinAndPrefix(" --values ", module.properties.Values),
+		},
+	})
+
+	// Generated java inside a srcjar
+	module.srcJarPath = android.PathForModuleGen(ctx, ctx.ModuleName()+".srcjar")
+	ctx.Build(pctx, android.BuildParams{
+		Rule:        srcJarRule,
+		Input:       module.intermediatePath,
+		Output:      module.srcJarPath,
+		Description: "device_config.srcjar",
+	})
+
+	// TODO: C++
+
+	// Phony target for debugging convenience
+	ctx.Build(pctx, android.BuildParams{
+		Rule:   blueprint.Phony,
+		Output: android.PathForPhony(ctx, ctx.ModuleName()),
+		Inputs: []android.Path{module.srcJarPath}, // TODO: C++
+	})
+}
diff --git a/device_config/device_config_test.go b/device_config/device_config_test.go
new file mode 100644
index 0000000..91a06a7
--- /dev/null
+++ b/device_config/device_config_test.go
@@ -0,0 +1,61 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// 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 device_config
+
+import (
+	"os"
+	"testing"
+
+	"android/soong/android"
+	"android/soong/java"
+)
+
+func TestMain(m *testing.M) {
+	os.Exit(m.Run())
+}
+
+func test(t *testing.T, bp string) *android.TestResult {
+	t.Helper()
+
+	mockFS := android.MockFS{
+		"config.aconfig": nil,
+	}
+
+	result := android.GroupFixturePreparers(
+		java.PrepareForTestWithJavaDefaultModules,
+		PrepareForTestWithSyspropBuildComponents,
+		// TODO: Consider values files, although maybe in its own test
+		// android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+		//	variables.ReleaseConfigValuesBasePaths = ...
+		//})
+		mockFS.AddToFixture(),
+		android.FixtureWithRootAndroidBp(bp),
+	).RunTest(t)
+
+	return result
+}
+
+func TestOutputs(t *testing.T) {
+	/*result := */ test(t, `
+        device_config {
+            name: "my_device_config",
+            srcs: ["config.aconfig"],
+        }
+	`)
+
+	// TODO: Make sure it exports a .srcjar, which is used by java libraries
+	// TODO: Make sure it exports an intermediates file
+	// TODO: Make sure the intermediates file is propagated to the Android.mk file
+}
diff --git a/device_config/device_config_value_set.go b/device_config/device_config_value_set.go
new file mode 100644
index 0000000..e406d20
--- /dev/null
+++ b/device_config/device_config_value_set.go
@@ -0,0 +1,92 @@
+// Copyright 2023 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 device_config
+
+import (
+	"android/soong/android"
+	"github.com/google/blueprint"
+)
+
+// Properties for "device_config_value_set"
+type ValueSetModule struct {
+	android.ModuleBase
+	android.DefaultableModuleBase
+
+	properties struct {
+		// device_config_values modules
+		Values []string
+	}
+}
+
+func ValueSetFactory() android.Module {
+	module := &ValueSetModule{}
+
+	android.InitAndroidModule(module)
+	android.InitDefaultableModule(module)
+	module.AddProperties(&module.properties)
+	// TODO: bp2build
+	//android.InitBazelModule(module)
+
+	return module
+}
+
+// Dependency tag for values property
+type valueSetType struct {
+	blueprint.BaseDependencyTag
+}
+
+var valueSetTag = valueSetType{}
+
+// Provider published by device_config_value_set
+type valueSetProviderData struct {
+	// The namespace of each of the
+	// (map of namespace --> device_config_module)
+	AvailableNamespaces map[string]android.Paths
+}
+
+var valueSetProviderKey = blueprint.NewProvider(valueSetProviderData{})
+
+func (module *ValueSetModule) DepsMutator(ctx android.BottomUpMutatorContext) {
+	deps := ctx.AddDependency(ctx.Module(), valueSetTag, module.properties.Values...)
+	for _, dep := range deps {
+		_, ok := dep.(*ValuesModule)
+		if !ok {
+			ctx.PropertyErrorf("values", "values must be a device_config_values module")
+			return
+		}
+	}
+}
+
+func (module *ValueSetModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	// Accumulate the namespaces of the values modules listed, and set that as an
+	// valueSetProviderKey provider that device_config modules can read and use
+	// to append values to their aconfig actions.
+	namespaces := make(map[string]android.Paths)
+	ctx.VisitDirectDeps(func(dep android.Module) {
+		if !ctx.OtherModuleHasProvider(dep, valuesProviderKey) {
+			// Other modules get injected as dependencies too, for example the license modules
+			return
+		}
+		depData := ctx.OtherModuleProvider(dep, valuesProviderKey).(valuesProviderData)
+
+		srcs := make([]android.Path, len(depData.Values))
+		copy(srcs, depData.Values)
+		namespaces[depData.Namespace] = srcs
+
+	})
+	ctx.SetProvider(valueSetProviderKey, valueSetProviderData{
+		AvailableNamespaces: namespaces,
+	})
+}
diff --git a/device_config/device_config_values.go b/device_config/device_config_values.go
new file mode 100644
index 0000000..110f12a
--- /dev/null
+++ b/device_config/device_config_values.go
@@ -0,0 +1,70 @@
+// Copyright 2023 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 device_config
+
+import (
+	"android/soong/android"
+	"github.com/google/blueprint"
+)
+
+// Properties for "device_config_value"
+type ValuesModule struct {
+	android.ModuleBase
+	android.DefaultableModuleBase
+
+	properties struct {
+		// aconfig files, relative to this Android.bp file
+		Srcs []string `android:"path"`
+
+		// Release config flag namespace
+		Namespace string
+	}
+}
+
+func ValuesFactory() android.Module {
+	module := &ValuesModule{}
+
+	android.InitAndroidModule(module)
+	android.InitDefaultableModule(module)
+	module.AddProperties(&module.properties)
+	// TODO: bp2build
+	//android.InitBazelModule(module)
+
+	return module
+}
+
+// Provider published by device_config_value_set
+type valuesProviderData struct {
+	// The namespace that this values module values
+	Namespace string
+
+	// The values aconfig files, relative to the root of the tree
+	Values android.Paths
+}
+
+var valuesProviderKey = blueprint.NewProvider(valuesProviderData{})
+
+func (module *ValuesModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	if len(module.properties.Namespace) == 0 {
+		ctx.PropertyErrorf("namespace", "missing namespace property")
+	}
+
+	// Provide the our source files list to the device_config_value_set as a list of files
+	providerData := valuesProviderData{
+		Namespace: module.properties.Namespace,
+		Values:    android.PathsForModuleSrc(ctx, module.properties.Srcs),
+	}
+	ctx.SetProvider(valuesProviderKey, providerData)
+}
diff --git a/device_config/init.go b/device_config/init.go
new file mode 100644
index 0000000..0a4645b
--- /dev/null
+++ b/device_config/init.go
@@ -0,0 +1,70 @@
+// Copyright 2023 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 device_config
+
+import (
+	"android/soong/android"
+	"github.com/google/blueprint"
+)
+
+var (
+	pctx = android.NewPackageContext("android/soong/device_config")
+
+	// For device_config_definitions: Generate cache file
+	// TODO: Restat
+	aconfigRule = pctx.AndroidStaticRule("aconfig",
+		blueprint.RuleParams{
+			Command: `${aconfig} create-cache` +
+				` --namespace ${namespace}` +
+				` --declarations ${in}` +
+				` ${values}` +
+				` --cache ${out}.tmp` +
+				` && ( if cmp -s ${out}.tmp ; then rm ${out}.tmp ; else mv ${out}.tmp ${out} ; fi )`,
+			//				` --build-id ${release_version}` +
+			CommandDeps: []string{
+				"${aconfig}",
+			},
+			Restat: true,
+		}, "release_version", "namespace", "values")
+
+	// For device_config_definitions: Generate java file
+	srcJarRule = pctx.AndroidStaticRule("aconfig_srcjar",
+		blueprint.RuleParams{
+			Command: `rm -rf ${out}.tmp` +
+				` && mkdir -p ${out}.tmp` +
+				` && ${aconfig} create-java-lib` +
+				`    --cache ${in}` +
+				`    --out ${out}.tmp` +
+				` && $soong_zip -write_if_changed -jar -o ${out} -C ${out}.tmp -D ${out}.tmp` +
+				` && rm -rf ${out}.tmp`,
+			CommandDeps: []string{
+				"$aconfig",
+				"$soong_zip",
+			},
+			Restat: true,
+		})
+)
+
+func init() {
+	registerBuildComponents(android.InitRegistrationContext)
+}
+
+func registerBuildComponents(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("device_config_definitions", DefinitionsFactory)
+	ctx.RegisterModuleType("device_config_values", ValuesFactory)
+	ctx.RegisterModuleType("device_config_value_set", ValueSetFactory)
+	pctx.HostBinToolVariable("aconfig", "aconfig")
+	pctx.HostBinToolVariable("soong_zip", "soong_zip")
+}
diff --git a/device_config/testing.go b/device_config/testing.go
new file mode 100644
index 0000000..f054476
--- /dev/null
+++ b/device_config/testing.go
@@ -0,0 +1,19 @@
+// Copyright (C) 2021 The Android Open Source Project
+//
+// 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 device_config
+
+import "android/soong/android"
+
+var PrepareForTestWithSyspropBuildComponents = android.FixtureRegisterWithContext(registerBuildComponents)
diff --git a/etc/prebuilt_etc.go b/etc/prebuilt_etc.go
index 6817dce..3e1bbde 100644
--- a/etc/prebuilt_etc.go
+++ b/etc/prebuilt_etc.go
@@ -652,9 +652,7 @@
 		prop := snapshot.SnapshotJsonFlags{}
 		propOut := snapshotLibOut + ".json"
 		prop.InitBaseSnapshotProps(m)
-		if m.subdirProperties.Relative_install_path != nil {
-			prop.RelativeInstallPath = *m.subdirProperties.Relative_install_path
-		}
+		prop.RelativeInstallPath = m.SubDir()
 
 		if m.properties.Filename != nil {
 			prop.Filename = *m.properties.Filename
diff --git a/java/app_test.go b/java/app_test.go
index daff94c..8a69a03 100644
--- a/java/app_test.go
+++ b/java/app_test.go
@@ -443,9 +443,9 @@
 	inputs := ctx.ModuleForTests("libjni", "android_arm64_armv8-a_sdk_shared").Description("link").Implicits
 	var crtbeginFound, crtendFound bool
 	expectedCrtBegin := ctx.ModuleForTests("crtbegin_so",
-		"android_arm64_armv8-a_sdk_29").Rule("partialLd").Output
+		"android_arm64_armv8-a_sdk_29").Rule("noAddrSig").Output
 	expectedCrtEnd := ctx.ModuleForTests("crtend_so",
-		"android_arm64_armv8-a_sdk_29").Rule("partialLd").Output
+		"android_arm64_armv8-a_sdk_29").Rule("noAddrSig").Output
 	implicits := []string{}
 	for _, input := range inputs {
 		implicits = append(implicits, input.String())
diff --git a/java/dex.go b/java/dex.go
index f7c1361..7e7da00 100644
--- a/java/dex.go
+++ b/java/dex.go
@@ -161,7 +161,7 @@
 		"$r8Template": &remoteexec.REParams{
 			Labels:          map[string]string{"type": "compile", "compiler": "r8"},
 			Inputs:          []string{"$implicits", "${config.R8Jar}"},
-			OutputFiles:     []string{"${outUsage}"},
+			OutputFiles:     []string{"${outUsage}", "${outConfig}", "${outDict}"},
 			ExecStrategy:    "${config.RER8ExecStrategy}",
 			ToolchainInputs: []string{"${config.JavaCmd}"},
 			Platform:        map[string]string{remoteexec.PoolKey: "${config.REJavaPool}"},
@@ -399,13 +399,16 @@
 			args["implicits"] = strings.Join(r8Deps.Strings(), ",")
 		}
 		ctx.Build(pctx, android.BuildParams{
-			Rule:            rule,
-			Description:     "r8",
-			Output:          javalibJar,
-			ImplicitOutputs: android.WritablePaths{proguardDictionary, proguardUsageZip},
-			Input:           dexParams.classesJar,
-			Implicits:       r8Deps,
-			Args:            args,
+			Rule:        rule,
+			Description: "r8",
+			Output:      javalibJar,
+			ImplicitOutputs: android.WritablePaths{
+				proguardDictionary,
+				proguardUsageZip,
+				proguardConfiguration},
+			Input:     dexParams.classesJar,
+			Implicits: r8Deps,
+			Args:      args,
 		})
 	} else {
 		d8Flags, d8Deps := d8Flags(dexParams.flags)
diff --git a/ui/build/config.go b/ui/build/config.go
index 8ec9680..6b6ce71 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -316,8 +316,9 @@
 
 func NewConfig(ctx Context, args ...string) Config {
 	ret := &configImpl{
-		environ:       OsEnvironment(),
-		sandboxConfig: &SandboxConfig{},
+		environ:               OsEnvironment(),
+		sandboxConfig:         &SandboxConfig{},
+		ninjaWeightListSource: HINT_FROM_SOONG,
 	}
 
 	// Default matching ninja