06c8036ac8
Bug: 148385042 Test: Built and booted Pixel 3a both with and without a boot jar in system_ext. Change-Id: I0702aa8259478a71cf96a5cd3a425071ccdafdfb
240 lines
8.6 KiB
Go
240 lines
8.6 KiB
Go
// Copyright 2019 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package java
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import (
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"fmt"
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"path/filepath"
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"strings"
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"android/soong/android"
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"android/soong/dexpreopt"
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)
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// systemServerClasspath returns the on-device locations of the modules in the system server classpath. It is computed
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// once the first time it is called for any ctx.Config(), and returns the same slice for all future calls with the same
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// ctx.Config().
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func systemServerClasspath(ctx android.MakeVarsContext) []string {
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return ctx.Config().OnceStringSlice(systemServerClasspathKey, func() []string {
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global := dexpreopt.GetGlobalConfig(ctx)
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var systemServerClasspathLocations []string
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nonUpdatable := dexpreopt.NonUpdatableSystemServerJars(ctx, global)
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// 1) Non-updatable jars.
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for _, m := range nonUpdatable {
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systemServerClasspathLocations = append(systemServerClasspathLocations,
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filepath.Join("/system/framework", m+".jar"))
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}
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// 2) The jars that are from an updatable apex.
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for _, m := range global.UpdatableSystemServerJars {
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systemServerClasspathLocations = append(systemServerClasspathLocations,
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dexpreopt.GetJarLocationFromApexJarPair(m))
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}
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if len(systemServerClasspathLocations) != len(global.SystemServerJars)+len(global.UpdatableSystemServerJars) {
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panic(fmt.Errorf("Wrong number of system server jars, got %d, expected %d",
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len(systemServerClasspathLocations),
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len(global.SystemServerJars)+len(global.UpdatableSystemServerJars)))
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}
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return systemServerClasspathLocations
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})
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}
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var systemServerClasspathKey = android.NewOnceKey("systemServerClasspath")
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// dexpreoptTargets returns the list of targets that are relevant to dexpreopting, which excludes architectures
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// supported through native bridge.
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func dexpreoptTargets(ctx android.PathContext) []android.Target {
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var targets []android.Target
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for _, target := range ctx.Config().Targets[android.Android] {
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if target.NativeBridge == android.NativeBridgeDisabled {
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targets = append(targets, target)
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}
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}
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// We may also need the images on host in order to run host-based tests.
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for _, target := range ctx.Config().Targets[android.BuildOs] {
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targets = append(targets, target)
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}
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return targets
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}
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func stemOf(moduleName string) string {
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// b/139391334: the stem of framework-minus-apex is framework
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// This is hard coded here until we find a good way to query the stem
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// of a module before any other mutators are run
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if moduleName == "framework-minus-apex" {
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return "framework"
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}
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return moduleName
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}
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func getDexLocation(ctx android.PathContext, target android.Target, module string) string {
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apex, jar := android.SplitApexJarPair(module)
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name := stemOf(jar) + ".jar"
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var subdir string
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if apex == "platform" {
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// Special apex name "platform" denotes jars do not come from an apex, but are part
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// of the platform. Such jars are installed on the /system partition on device.
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subdir = "system/framework"
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} else if apex == "system_ext" {
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subdir = "system_ext/framework"
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} else {
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subdir = filepath.Join("apex", apex, "javalib")
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}
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if target.Os.Class == android.Host {
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return filepath.Join(ctx.Config().Getenv("OUT_DIR"), "host", ctx.Config().PrebuiltOS(), subdir, name)
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} else {
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return filepath.Join("/", subdir, name)
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}
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}
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var (
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bootImageConfigKey = android.NewOnceKey("bootImageConfig")
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artBootImageName = "art"
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frameworkBootImageName = "boot"
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)
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// Construct the global boot image configs.
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func genBootImageConfigs(ctx android.PathContext) map[string]*bootImageConfig {
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return ctx.Config().Once(bootImageConfigKey, func() interface{} {
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global := dexpreopt.GetGlobalConfig(ctx)
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targets := dexpreoptTargets(ctx)
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deviceDir := android.PathForOutput(ctx, ctx.Config().DeviceName())
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artModules := global.ArtApexJars
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// With EMMA_INSTRUMENT_FRAMEWORK=true the Core libraries depend on jacoco.
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if ctx.Config().IsEnvTrue("EMMA_INSTRUMENT_FRAMEWORK") {
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artModules = append(artModules, "jacocoagent")
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}
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frameworkModules := android.RemoveListFromList(global.BootJars, artModules)
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artSubdir := "apex/com.android.art/javalib"
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frameworkSubdir := "system/framework"
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// ART config for the primary boot image in the ART apex.
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// It includes the Core Libraries.
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artCfg := bootImageConfig{
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name: artBootImageName,
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stem: "boot",
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installSubdir: artSubdir,
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modules: artModules,
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}
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// Framework config for the boot image extension.
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// It includes framework libraries and depends on the ART config.
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frameworkCfg := bootImageConfig{
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extends: &artCfg,
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name: frameworkBootImageName,
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stem: "boot",
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installSubdir: frameworkSubdir,
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modules: frameworkModules,
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}
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configs := map[string]*bootImageConfig{
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artBootImageName: &artCfg,
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frameworkBootImageName: &frameworkCfg,
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}
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// common to all configs
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for _, c := range configs {
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c.dir = deviceDir.Join(ctx, "dex_"+c.name+"jars")
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c.symbolsDir = deviceDir.Join(ctx, "dex_"+c.name+"jars_unstripped")
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// expands to <stem>.art for primary image and <stem>-<1st module>.art for extension
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imageName := c.firstModuleNameOrStem() + ".art"
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// The path to bootclasspath dex files needs to be known at module
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// GenerateAndroidBuildAction time, before the bootclasspath modules have been compiled.
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// Set up known paths for them, the singleton rules will copy them there.
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// TODO(b/143682396): use module dependencies instead
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inputDir := deviceDir.Join(ctx, "dex_"+c.name+"jars_input")
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for _, m := range c.modules {
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_, jar := android.SplitApexJarPair(m)
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c.dexPaths = append(c.dexPaths, inputDir.Join(ctx, stemOf(jar)+".jar"))
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}
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c.dexPathsDeps = c.dexPaths
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// Create target-specific variants.
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for _, target := range targets {
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arch := target.Arch.ArchType
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imageDir := c.dir.Join(ctx, target.Os.String(), c.installSubdir, arch.String())
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variant := &bootImageVariant{
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bootImageConfig: c,
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target: target,
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images: imageDir.Join(ctx, imageName),
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imagesDeps: c.moduleFiles(ctx, imageDir, ".art", ".oat", ".vdex"),
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}
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for _, m := range c.modules {
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variant.dexLocations = append(variant.dexLocations, getDexLocation(ctx, target, m))
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}
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variant.dexLocationsDeps = variant.dexLocations
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c.variants = append(c.variants, variant)
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}
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c.zip = c.dir.Join(ctx, c.name+".zip")
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}
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// specific to the framework config
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frameworkCfg.dexPathsDeps = append(artCfg.dexPathsDeps, frameworkCfg.dexPathsDeps...)
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for i := range targets {
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frameworkCfg.variants[i].primaryImages = artCfg.variants[i].images
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frameworkCfg.variants[i].dexLocationsDeps = append(artCfg.variants[i].dexLocations, frameworkCfg.variants[i].dexLocationsDeps...)
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}
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return configs
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}).(map[string]*bootImageConfig)
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}
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func artBootImageConfig(ctx android.PathContext) *bootImageConfig {
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return genBootImageConfigs(ctx)[artBootImageName]
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}
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func defaultBootImageConfig(ctx android.PathContext) *bootImageConfig {
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return genBootImageConfigs(ctx)[frameworkBootImageName]
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}
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func defaultBootclasspath(ctx android.PathContext) []string {
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return ctx.Config().OnceStringSlice(defaultBootclasspathKey, func() []string {
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global := dexpreopt.GetGlobalConfig(ctx)
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image := defaultBootImageConfig(ctx)
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updatableBootclasspath := make([]string, len(global.UpdatableBootJars))
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for i, p := range global.UpdatableBootJars {
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updatableBootclasspath[i] = dexpreopt.GetJarLocationFromApexJarPair(p)
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}
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bootclasspath := append(copyOf(image.getAnyAndroidVariant().dexLocationsDeps), updatableBootclasspath...)
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return bootclasspath
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})
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}
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var defaultBootclasspathKey = android.NewOnceKey("defaultBootclasspath")
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var copyOf = android.CopyOf
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func init() {
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android.RegisterMakeVarsProvider(pctx, dexpreoptConfigMakevars)
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}
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func dexpreoptConfigMakevars(ctx android.MakeVarsContext) {
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ctx.Strict("PRODUCT_BOOTCLASSPATH", strings.Join(defaultBootclasspath(ctx), ":"))
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ctx.Strict("PRODUCT_DEX2OAT_BOOTCLASSPATH", strings.Join(defaultBootImageConfig(ctx).getAnyAndroidVariant().dexLocationsDeps, ":"))
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ctx.Strict("PRODUCT_SYSTEM_SERVER_CLASSPATH", strings.Join(systemServerClasspath(ctx), ":"))
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ctx.Strict("DEXPREOPT_BOOT_JARS_MODULES", strings.Join(defaultBootImageConfig(ctx).modules, ":"))
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}
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