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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 dexpreopter struct {
dexpreoptProperties DexpreoptProperties
installPath android.OutputPath
uncompressedDex bool
isSDKLibrary bool
isTest bool
isInstallable bool
isPresignedPrebuilt bool
builtInstalled string
}
type DexpreoptProperties struct {
Dex_preopt struct {
// If false, prevent dexpreopting and stripping the dex file from the final jar. Defaults to
// true.
Enabled *bool
// If true, never strip the dex files from the final jar when dexpreopting. Defaults to false.
No_stripping *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
}
}
func (d *dexpreopter) dexpreoptDisabled(ctx android.ModuleContext) bool {
global := dexpreoptGlobalConfig(ctx)
if global.DisablePreopt {
return true
}
if inList(ctx.ModuleName(), global.DisablePreoptModules) {
return true
}
if ctx.Config().UnbundledBuild() {
return true
}
if d.isTest {
return true
}
if !BoolDefault(d.dexpreoptProperties.Dex_preopt.Enabled, true) {
return true
}
if !d.isInstallable {
return true
}
// TODO: contains no java code
return false
}
func odexOnSystemOther(ctx android.ModuleContext, installPath android.OutputPath) bool {
return dexpreopt.OdexOnSystemOtherByName(ctx.ModuleName(), android.InstallPathToOnDevicePath(ctx, installPath), dexpreoptGlobalConfig(ctx))
}
func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, dexJarFile android.ModuleOutPath) android.ModuleOutPath {
if d.dexpreoptDisabled(ctx) {
return dexJarFile
}
global := dexpreoptGlobalConfig(ctx)
bootImage := defaultBootImageConfig(ctx)
defaultBootImage := bootImage
if global.UseApexImage {
bootImage = apexBootImageConfig(ctx)
}
var archs []android.ArchType
for _, a := range ctx.MultiTargets() {
archs = append(archs, a.Arch.ArchType)
}
if len(archs) == 0 {
// assume this is a java library, dexpreopt for all arches for now
for _, target := range ctx.Config().Targets[android.Android] {
archs = append(archs, target.Arch.ArchType)
}
if inList(ctx.ModuleName(), global.SystemServerJars) && !d.isSDKLibrary {
// If the module is not an SDK library and it's a system server jar, only preopt the primary arch.
archs = archs[:1]
}
}
if ctx.Config().SecondArchIsTranslated() {
// Only preopt primary arch for translated arch since there is only an image there.
archs = archs[:1]
}
var images android.Paths
for _, arch := range archs {
images = append(images, bootImage.images[arch])
}
dexLocation := android.InstallPathToOnDevicePath(ctx, d.installPath)
strippedDexJarFile := android.PathForModuleOut(ctx, "dexpreopt", dexJarFile.Base())
var profileClassListing 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)))
profileIsTextListing = true
} else {
profileClassListing = android.ExistentPathForSource(ctx,
global.ProfileDir, ctx.ModuleName()+".prof")
}
}
dexpreoptConfig := dexpreopt.ModuleConfig{
Name: ctx.ModuleName(),
DexLocation: dexLocation,
BuildPath: android.PathForModuleOut(ctx, "dexpreopt", ctx.ModuleName()+".jar").OutputPath,
DexPath: dexJarFile,
UncompressedDex: d.uncompressedDex,
HasApkLibraries: false,
PreoptFlags: nil,
ProfileClassListing: profileClassListing,
ProfileIsTextListing: profileIsTextListing,
EnforceUsesLibraries: false,
OptionalUsesLibraries: nil,
UsesLibraries: nil,
LibraryPaths: nil,
Archs: archs,
DexPreoptImages: images,
// We use the dex paths and dex locations of the default boot image, as it
// contains the full dexpreopt boot classpath. Other images may just contain a subset of
// the dexpreopt boot classpath.
PreoptBootClassPathDexFiles: defaultBootImage.dexPaths.Paths(),
PreoptBootClassPathDexLocations: defaultBootImage.dexLocations,
PreoptExtractedApk: false,
NoCreateAppImage: !BoolDefault(d.dexpreoptProperties.Dex_preopt.App_image, true),
ForceCreateAppImage: BoolDefault(d.dexpreoptProperties.Dex_preopt.App_image, false),
PresignedPrebuilt: d.isPresignedPrebuilt,
NoStripping: Bool(d.dexpreoptProperties.Dex_preopt.No_stripping),
StripInputPath: dexJarFile,
StripOutputPath: strippedDexJarFile.OutputPath,
}
dexpreoptRule, err := dexpreopt.GenerateDexpreoptRule(ctx, global, dexpreoptConfig)
if err != nil {
ctx.ModuleErrorf("error generating dexpreopt rule: %s", err.Error())
return dexJarFile
}
dexpreoptRule.Build(pctx, ctx, "dexpreopt", "dexpreopt")
d.builtInstalled = dexpreoptRule.Installs().String()
stripRule, err := dexpreopt.GenerateStripRule(global, dexpreoptConfig)
if err != nil {
ctx.ModuleErrorf("error generating dexpreopt strip rule: %s", err.Error())
return dexJarFile
}
stripRule.Build(pctx, ctx, "dexpreopt_strip", "dexpreopt strip")
return strippedDexJarFile
}
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