Clean up class loader context generation.
Deduplicate code for conditional class loader contexts that depend
on the target SDK version in the manifest.
Test: lunch aosp_cf_phone-userdebug && m
Change-Id: I69d51b212bf502b2659d43f124ea3922f90e1881
diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index de696da..5275e8f 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -37,6 +37,7 @@
"fmt"
"path/filepath"
"runtime"
+ "sort"
"strings"
"android/soong/android"
@@ -192,6 +193,55 @@
return profilePath
}
+type classLoaderContext struct {
+ // The class loader context using paths in the build.
+ Host android.Paths
+
+ // The class loader context using paths as they will be on the device.
+ Target []string
+}
+
+// A map of class loader contexts for each SDK version.
+// A map entry for "any" version contains libraries that are unconditionally added to class loader
+// context. Map entries for existing versions contains libraries that were in the default classpath
+// until that API version, and should be added to class loader context if and only if the
+// targetSdkVersion in the manifest or APK is less than that API version.
+type classLoaderContextMap map[int]*classLoaderContext
+
+const anySdkVersion int = -1
+
+func (m classLoaderContextMap) getSortedKeys() []int {
+ keys := make([]int, 0, len(m))
+ for k := range m {
+ keys = append(keys, k)
+ }
+ sort.Ints(keys)
+ return keys
+}
+
+func (m classLoaderContextMap) getValue(sdkVer int) *classLoaderContext {
+ if _, ok := m[sdkVer]; !ok {
+ m[sdkVer] = &classLoaderContext{}
+ }
+ return m[sdkVer]
+}
+
+func (m classLoaderContextMap) addLibs(sdkVer int, module *ModuleConfig, libs ...string) {
+ clc := m.getValue(sdkVer)
+ for _, lib := range libs {
+ clc.Host = append(clc.Host, pathForLibrary(module, lib))
+ clc.Target = append(clc.Target, filepath.Join("/system/framework", lib+".jar"))
+ }
+}
+
+func (m classLoaderContextMap) addSystemServerLibs(sdkVer int, ctx android.PathContext, module *ModuleConfig, libs ...string) {
+ clc := m.getValue(sdkVer)
+ for _, lib := range libs {
+ clc.Host = append(clc.Host, SystemServerDexJarHostPath(ctx, lib))
+ clc.Target = append(clc.Target, filepath.Join("/system/framework", lib+".jar"))
+ }
+}
+
func dexpreoptCommand(ctx android.PathContext, globalSoong *GlobalSoongConfig, global *GlobalConfig,
module *ModuleConfig, rule *android.RuleBuilder, archIdx int, profile android.WritablePath,
appImage bool, generateDM bool) {
@@ -227,81 +277,38 @@
systemServerJars := NonUpdatableSystemServerJars(ctx, global)
- // The class loader context using paths in the build
- var classLoaderContextHost android.Paths
-
- // The class loader context using paths as they will be on the device
- var classLoaderContextTarget []string
-
- // Extra paths that will be appended to the class loader if the APK manifest has targetSdkVersion < 28
- var conditionalClassLoaderContextHost28 android.Paths
- var conditionalClassLoaderContextTarget28 []string
-
- // Extra paths that will be appended to the class loader if the APK manifest has targetSdkVersion < 29
- var conditionalClassLoaderContextHost29 android.Paths
- var conditionalClassLoaderContextTarget29 []string
-
- // Extra paths that will be appended to the class loader if the APK manifest has targetSdkVersion < 30
- var conditionalClassLoaderContextHost30 android.Paths
- var conditionalClassLoaderContextTarget30 []string
+ classLoaderContexts := make(classLoaderContextMap)
// A flag indicating if the '&' class loader context is used.
unknownClassLoaderContext := false
if module.EnforceUsesLibraries {
+ // Unconditional class loader context.
usesLibs := append(copyOf(module.UsesLibraries), module.PresentOptionalUsesLibraries...)
+ classLoaderContexts.addLibs(anySdkVersion, module, usesLibs...)
- // Create class loader context for dex2oat from uses libraries and filtered optional libraries
- for _, l := range usesLibs {
-
- classLoaderContextHost = append(classLoaderContextHost,
- pathForLibrary(module, l))
- classLoaderContextTarget = append(classLoaderContextTarget,
- filepath.Join("/system/framework", l+".jar"))
- }
-
- // org.apache.http.legacy contains classes that were in the default classpath until API 28.
- // If the targetSdkVersion in the manifest or APK is < 28, and the module does not explicitly
- // depend on org.apache.http.legacy, then implicitly add it to the classpath for dexpreopt.
+ // Conditional class loader context for API version < 28.
const httpLegacy = "org.apache.http.legacy"
if !contains(usesLibs, httpLegacy) {
- conditionalClassLoaderContextHost28 = append(conditionalClassLoaderContextHost28,
- pathForLibrary(module, httpLegacy))
- conditionalClassLoaderContextTarget28 = append(conditionalClassLoaderContextTarget28,
- filepath.Join("/system/framework", httpLegacy+".jar"))
+ classLoaderContexts.addLibs(28, module, httpLegacy)
}
- // android.hidl.base-V1.0-java and android.hidl.manager-V1.0 contain classes that were in the default
- // classpath until API 29. If the targetSdkVersion in the manifest or APK is < 29 then implicitly add
- // the classes to the classpath for dexpreopt.
- const hidlBase = "android.hidl.base-V1.0-java"
- const hidlManager = "android.hidl.manager-V1.0-java"
- conditionalClassLoaderContextHost29 = append(conditionalClassLoaderContextHost29,
- pathForLibrary(module, hidlManager))
- conditionalClassLoaderContextTarget29 = append(conditionalClassLoaderContextTarget29,
- filepath.Join("/system/framework", hidlManager+".jar"))
- conditionalClassLoaderContextHost29 = append(conditionalClassLoaderContextHost29,
- pathForLibrary(module, hidlBase))
- conditionalClassLoaderContextTarget29 = append(conditionalClassLoaderContextTarget29,
- filepath.Join("/system/framework", hidlBase+".jar"))
+ // Conditional class loader context for API version < 29.
+ usesLibs29 := []string{
+ "android.hidl.base-V1.0-java",
+ "android.hidl.manager-V1.0-java",
+ }
+ classLoaderContexts.addLibs(29, module, usesLibs29...)
- // android.test.base contains classes that were in the default classpath until API 30.
- // If the targetSdkVersion in the manifest or APK is < 30 then implicitly add it to the
- // classpath for dexpreopt.
+ // Conditional class loader context for API version < 30.
const testBase = "android.test.base"
if !contains(usesLibs, testBase) {
- conditionalClassLoaderContextHost30 = append(conditionalClassLoaderContextHost30,
- pathForLibrary(module, testBase))
- conditionalClassLoaderContextTarget30 = append(conditionalClassLoaderContextTarget30,
- filepath.Join("/system/framework", testBase+".jar"))
+ classLoaderContexts.addLibs(30, module, testBase)
}
} else if jarIndex := android.IndexList(module.Name, systemServerJars); jarIndex >= 0 {
// System server jars should be dexpreopted together: class loader context of each jar
// should include all preceding jars on the system server classpath.
- for _, otherJar := range systemServerJars[:jarIndex] {
- classLoaderContextHost = append(classLoaderContextHost, SystemServerDexJarHostPath(ctx, otherJar))
- classLoaderContextTarget = append(classLoaderContextTarget, "/system/framework/"+otherJar+".jar")
- }
+ classLoaderContexts.addSystemServerLibs(anySdkVersion, ctx, module, systemServerJars[:jarIndex]...)
// Copy the system server jar to a predefined location where dex2oat will find it.
dexPathHost := SystemServerDexJarHostPath(ctx, module.Name)
@@ -323,10 +330,11 @@
Text(`class_loader_context_arg=--class-loader-context=\&`).
Text(`stored_class_loader_context_arg=""`)
} else {
+ clc := classLoaderContexts[anySdkVersion]
rule.Command().
- Text("class_loader_context_arg=--class-loader-context=PCL[" + strings.Join(classLoaderContextHost.Strings(), ":") + "]").
- Implicits(classLoaderContextHost).
- Text("stored_class_loader_context_arg=--stored-class-loader-context=PCL[" + strings.Join(classLoaderContextTarget, ":") + "]")
+ Text("class_loader_context_arg=--class-loader-context=PCL[" + strings.Join(clc.Host.Strings(), ":") + "]").
+ Implicits(clc.Host).
+ Text("stored_class_loader_context_arg=--stored-class-loader-context=PCL[" + strings.Join(clc.Target, ":") + "]")
}
if module.EnforceUsesLibraries {
@@ -345,26 +353,19 @@
Text(`| grep "targetSdkVersion" | sed -n "s/targetSdkVersion:'\(.*\)'/\1/p"`).
Text(`)"`)
}
- rule.Command().Textf(`dex_preopt_host_libraries="%s"`,
- strings.Join(classLoaderContextHost.Strings(), " ")).
- Implicits(classLoaderContextHost)
- rule.Command().Textf(`dex_preopt_target_libraries="%s"`,
- strings.Join(classLoaderContextTarget, " "))
- rule.Command().Textf(`conditional_host_libs_28="%s"`,
- strings.Join(conditionalClassLoaderContextHost28.Strings(), " ")).
- Implicits(conditionalClassLoaderContextHost28)
- rule.Command().Textf(`conditional_target_libs_28="%s"`,
- strings.Join(conditionalClassLoaderContextTarget28, " "))
- rule.Command().Textf(`conditional_host_libs_29="%s"`,
- strings.Join(conditionalClassLoaderContextHost29.Strings(), " ")).
- Implicits(conditionalClassLoaderContextHost29)
- rule.Command().Textf(`conditional_target_libs_29="%s"`,
- strings.Join(conditionalClassLoaderContextTarget29, " "))
- rule.Command().Textf(`conditional_host_libs_30="%s"`,
- strings.Join(conditionalClassLoaderContextHost30.Strings(), " ")).
- Implicits(conditionalClassLoaderContextHost30)
- rule.Command().Textf(`conditional_target_libs_30="%s"`,
- strings.Join(conditionalClassLoaderContextTarget30, " "))
+ for _, ver := range classLoaderContexts.getSortedKeys() {
+ clc := classLoaderContexts.getValue(ver)
+ var varHost, varTarget string
+ if ver == anySdkVersion {
+ varHost = "dex_preopt_host_libraries"
+ varTarget = "dex_preopt_target_libraries"
+ } else {
+ varHost = fmt.Sprintf("conditional_host_libs_%d", ver)
+ varTarget = fmt.Sprintf("conditional_target_libs_%d", ver)
+ }
+ rule.Command().Textf(varHost+`="%s"`, strings.Join(clc.Host.Strings(), " ")).Implicits(clc.Host)
+ rule.Command().Textf(varTarget+`="%s"`, strings.Join(clc.Target, " "))
+ }
rule.Command().Text("source").Tool(globalSoong.ConstructContext).Input(module.DexPath)
}