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// Copyright 2018 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 (
"android/soong/android"
"android/soong/dexpreopt"
)
type dexpreopterInterface interface {
IsInstallable() bool // Structs that embed dexpreopter must implement this.
dexpreoptDisabled(ctx android.BaseModuleContext) bool
}
type dexpreopter struct {
dexpreoptProperties DexpreoptProperties
installPath android.InstallPath
uncompressedDex bool
isSDKLibrary bool
isApp bool
isTest bool
isPresignedPrebuilt bool
manifestFile android.Path
statusFile android.WritablePath
enforceUsesLibs bool
classLoaderContexts dexpreopt.ClassLoaderContextMap
builtInstalled string
// The config is used for two purposes:
// - Passing dexpreopt information about libraries from Soong to Make. This is needed when
// a <uses-library> is defined in Android.bp, but used in Android.mk (see dex_preopt_config_merger.py).
// Note that dexpreopt.config might be needed even if dexpreopt is disabled for the library itself.
// - Dexpreopt post-processing (using dexpreopt artifacts from a prebuilt system image to incrementally
// dexpreopt another partition).
configPath android.WritablePath
}
type DexpreoptProperties struct {
Dex_preopt struct {
// If false, prevent dexpreopting. Defaults to true.
Enabled *bool
// If true, generate an app image (.art file) for this module.
App_image *bool
// If true, use a checked-in profile to guide optimization. Defaults to false unless
// a matching profile is set or a profile is found in PRODUCT_DEX_PREOPT_PROFILE_DIR
// that matches the name of this module, in which case it is defaulted to true.
Profile_guided *bool
// If set, provides the path to profile relative to the Android.bp file. If not set,
// defaults to searching for a file that matches the name of this module in the default
// profile location set by PRODUCT_DEX_PREOPT_PROFILE_DIR, or empty if not found.
Profile *string `android:"path"`
}
}
func init() {
dexpreopt.DexpreoptRunningInSoong = true
}
func (d *dexpreopter) dexpreoptDisabled(ctx android.BaseModuleContext) bool {
global := dexpreopt.GetGlobalConfig(ctx)
if global.DisablePreopt {
return true
}
if inList(ctx.ModuleName(), global.DisablePreoptModules) {
return true
}
if d.isTest {
return true
}
if !BoolDefault(d.dexpreoptProperties.Dex_preopt.Enabled, true) {
return true
}
if !ctx.Module().(dexpreopterInterface).IsInstallable() {
return true
}
if ctx.Host() {
return true
}
// Don't preopt APEX variant module
if apexInfo := ctx.Provider(android.ApexInfoProvider).(android.ApexInfo); !apexInfo.IsForPlatform() {
return true
}
// TODO: contains no java code
return false
}
func dexpreoptToolDepsMutator(ctx android.BottomUpMutatorContext) {
if d, ok := ctx.Module().(dexpreopterInterface); !ok || d.dexpreoptDisabled(ctx) {
return
}
dexpreopt.RegisterToolDeps(ctx)
}
func odexOnSystemOther(ctx android.ModuleContext, installPath android.InstallPath) bool {
return dexpreopt.OdexOnSystemOtherByName(ctx.ModuleName(), android.InstallPathToOnDevicePath(ctx, installPath), dexpreopt.GetGlobalConfig(ctx))
}
func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, dexJarFile android.WritablePath) {
// TODO(b/148690468): The check on d.installPath is to bail out in cases where
// the dexpreopter struct hasn't been fully initialized before we're called,
// e.g. in aar.go. This keeps the behaviour that dexpreopting is effectively
// disabled, even if installable is true.
if d.installPath.Base() == "." {
return
}
dexLocation := android.InstallPathToOnDevicePath(ctx, d.installPath)
providesUsesLib := ctx.ModuleName()
if ulib, ok := ctx.Module().(ProvidesUsesLib); ok {
name := ulib.ProvidesUsesLib()
if name != nil {
providesUsesLib = *name
}
}
// If it is neither app nor test, make config files regardless of its dexpreopt setting.
// The config files are required for apps defined in make which depend on the lib.
// TODO(b/158843648): The config for apps should be generated as well regardless of setting.
if (d.isApp || d.isTest) && d.dexpreoptDisabled(ctx) {
return
}
global := dexpreopt.GetGlobalConfig(ctx)
isSystemServerJar := global.SystemServerJars.ContainsJar(ctx.ModuleName())
bootImage := defaultBootImageConfig(ctx)
if global.UseArtImage {
bootImage = artBootImageConfig(ctx)
}
// System server jars are an exception: they are dexpreopted without updatable bootclasspath.
dexFiles, dexLocations := bcpForDexpreopt(ctx, global.PreoptWithUpdatableBcp && !isSystemServerJar)
targets := ctx.MultiTargets()
if len(targets) == 0 {
// assume this is a java library, dexpreopt for all arches for now
for _, target := range ctx.Config().Targets[android.Android] {
if target.NativeBridge == android.NativeBridgeDisabled {
targets = append(targets, target)
}
}
if isSystemServerJar && !d.isSDKLibrary {
// If the module is not an SDK library and it's a system server jar, only preopt the primary arch.
targets = targets[:1]
}
}
var archs []android.ArchType
var images android.Paths
var imagesDeps []android.OutputPaths
for _, target := range targets {
archs = append(archs, target.Arch.ArchType)
variant := bootImage.getVariant(target)
images = append(images, variant.imagePathOnHost)
imagesDeps = append(imagesDeps, variant.imagesDeps)
}
// The image locations for all Android variants are identical.
hostImageLocations, deviceImageLocations := bootImage.getAnyAndroidVariant().imageLocations()
var profileClassListing android.OptionalPath
var profileBootListing android.OptionalPath
profileIsTextListing := false
if BoolDefault(d.dexpreoptProperties.Dex_preopt.Profile_guided, true) {
// If dex_preopt.profile_guided is not set, default it based on the existence of the
// dexprepot.profile option or the profile class listing.
if String(d.dexpreoptProperties.Dex_preopt.Profile) != "" {
profileClassListing = android.OptionalPathForPath(
android.PathForModuleSrc(ctx, String(d.dexpreoptProperties.Dex_preopt.Profile)))
profileBootListing = android.ExistentPathForSource(ctx,
ctx.ModuleDir(), String(d.dexpreoptProperties.Dex_preopt.Profile)+"-boot")
profileIsTextListing = true
} else if global.ProfileDir != "" {
profileClassListing = android.ExistentPathForSource(ctx,
global.ProfileDir, ctx.ModuleName()+".prof")
}
}
// Full dexpreopt config, used to create dexpreopt build rules.
dexpreoptConfig := &dexpreopt.ModuleConfig{
Name: ctx.ModuleName(),
DexLocation: dexLocation,
BuildPath: android.PathForModuleOut(ctx, "dexpreopt", ctx.ModuleName()+".jar").OutputPath,
DexPath: dexJarFile,
ManifestPath: android.OptionalPathForPath(d.manifestFile),
UncompressedDex: d.uncompressedDex,
HasApkLibraries: false,
PreoptFlags: nil,
ProfileClassListing: profileClassListing,
ProfileIsTextListing: profileIsTextListing,
ProfileBootListing: profileBootListing,
EnforceUsesLibrariesStatusFile: dexpreopt.UsesLibrariesStatusFile(ctx),
EnforceUsesLibraries: d.enforceUsesLibs,
ProvidesUsesLibrary: providesUsesLib,
ClassLoaderContexts: d.classLoaderContexts,
Archs: archs,
DexPreoptImagesDeps: imagesDeps,
DexPreoptImageLocationsOnHost: hostImageLocations,
DexPreoptImageLocationsOnDevice: deviceImageLocations,
PreoptBootClassPathDexFiles: dexFiles.Paths(),
PreoptBootClassPathDexLocations: dexLocations,
PreoptExtractedApk: false,
NoCreateAppImage: !BoolDefault(d.dexpreoptProperties.Dex_preopt.App_image, true),
ForceCreateAppImage: BoolDefault(d.dexpreoptProperties.Dex_preopt.App_image, false),
PresignedPrebuilt: d.isPresignedPrebuilt,
}
d.configPath = android.PathForModuleOut(ctx, "dexpreopt", "dexpreopt.config")
dexpreopt.WriteModuleConfig(ctx, dexpreoptConfig, d.configPath)
if d.dexpreoptDisabled(ctx) {
return
}
globalSoong := dexpreopt.GetGlobalSoongConfig(ctx)
dexpreoptRule, err := dexpreopt.GenerateDexpreoptRule(ctx, globalSoong, global, dexpreoptConfig)
if err != nil {
ctx.ModuleErrorf("error generating dexpreopt rule: %s", err.Error())
return
}
dexpreoptRule.Build("dexpreopt", "dexpreopt")
d.builtInstalled = dexpreoptRule.Installs().String()
}