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- // 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 java
- import (
- "strings"
- "android/soong/android"
- "android/soong/dexpreopt"
- "github.com/google/blueprint/pathtools"
- )
- func init() {
- RegisterDexpreoptCheckBuildComponents(android.InitRegistrationContext)
- }
- func RegisterDexpreoptCheckBuildComponents(ctx android.RegistrationContext) {
- ctx.RegisterParallelSingletonModuleType("dexpreopt_systemserver_check", dexpreoptSystemserverCheckFactory)
- }
- // A build-time check to verify if all compilation artifacts of system server jars are installed
- // into the system image. When the check fails, it means that dexpreopting is not working for some
- // system server jars and needs to be fixed.
- // This singleton module generates a list of the paths to the artifacts based on
- // PRODUCT_SYSTEM_SERVER_JARS and PRODUCT_APEX_SYSTEM_SERVER_JARS, and passes it to Make via a
- // variable. Make will then do the actual check.
- // Currently, it only checks artifacts of modules defined in Soong. Artifacts of modules defined in
- // Makefile are generated by a script generated by dexpreopt_gen, and their existence is unknown to
- // Make and Ninja.
- type dexpreoptSystemserverCheck struct {
- android.SingletonModuleBase
- // Mapping from the module name to the install paths to the compilation artifacts.
- artifactsByModuleName map[string][]string
- // The install paths to the compilation artifacts.
- artifacts []string
- }
- func dexpreoptSystemserverCheckFactory() android.SingletonModule {
- m := &dexpreoptSystemserverCheck{}
- m.artifactsByModuleName = make(map[string][]string)
- android.InitAndroidArchModule(m, android.DeviceSupported, android.MultilibCommon)
- return m
- }
- func getInstallPath(ctx android.ModuleContext, location string) android.InstallPath {
- return android.PathForModuleInPartitionInstall(
- ctx, "", strings.TrimPrefix(location, "/"))
- }
- func (m *dexpreoptSystemserverCheck) GenerateAndroidBuildActions(ctx android.ModuleContext) {
- global := dexpreopt.GetGlobalConfig(ctx)
- targets := ctx.Config().Targets[android.Android]
- // The check should be skipped on unbundled builds because system server jars are not preopted on
- // unbundled builds since the artifacts are installed into the system image, not the APEXes.
- if global.DisablePreopt || len(targets) == 0 || ctx.Config().UnbundledBuild() {
- return
- }
- systemServerJars := global.AllSystemServerJars(ctx)
- for _, jar := range systemServerJars.CopyOfJars() {
- dexLocation := dexpreopt.GetSystemServerDexLocation(ctx, global, jar)
- odexLocation := dexpreopt.ToOdexPath(dexLocation, targets[0].Arch.ArchType)
- odexPath := getInstallPath(ctx, odexLocation)
- vdexPath := getInstallPath(ctx, pathtools.ReplaceExtension(odexLocation, "vdex"))
- m.artifactsByModuleName[jar] = []string{odexPath.String(), vdexPath.String()}
- }
- }
- func (m *dexpreoptSystemserverCheck) GenerateSingletonBuildActions(ctx android.SingletonContext) {
- // Only keep modules defined in Soong.
- ctx.VisitAllModules(func(module android.Module) {
- if artifacts, ok := m.artifactsByModuleName[module.Name()]; ok {
- m.artifacts = append(m.artifacts, artifacts...)
- }
- })
- }
- func (m *dexpreoptSystemserverCheck) MakeVars(ctx android.MakeVarsContext) {
- ctx.Strict("DEXPREOPT_SYSTEMSERVER_ARTIFACTS", strings.Join(m.artifacts, " "))
- }
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