diff options
Diffstat (limited to 'java/dexpreopt_check.go')
-rw-r--r-- | java/dexpreopt_check.go | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/java/dexpreopt_check.go b/java/dexpreopt_check.go new file mode 100644 index 000000000..565901d35 --- /dev/null +++ b/java/dexpreopt_check.go @@ -0,0 +1,96 @@ +// 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.RegisterSingletonModuleType("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, "/")).ToMakePath() +} + +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 := dexpreopt.AllSystemServerJars(ctx, global) + for _, jar := range systemServerJars.CopyOfJars() { + dexLocation := dexpreopt.GetSystemServerDexLocation(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, " ")) +} |