Rework class loader context implementation.
The old representation consisted of a list of libraries (UsesLibraries),
a list of optional libraries (OptionalUsesLibraries) and a mapping from
library name to its build/install paths (LibraryPaths). The separation
into lists and map was necessary because of special handling of
compatibility libraries, which is now unified with normal libraries.
The new representation is a mapping from target SDK version to a tree
structure ClassLoaderContext. Each node of the tree represents a library
and contains library name, build/install paths and a slice of
subcontexts for dependencies. The same library may occur in the tree
multiple times in case it is a dependency of multiple libraries. The
order in which libraries are added matters (the resulting tree shape may
be different).
Test results have to be updated, as the resulting <uses-library> list is
reodered (previously it was a sorted list of map keys, and now it is
formed by a depth-first preorder traversal of the class loader tree).
Test: lunch aosp_cf_x86_phone-userdebug && m
Bug: 132357300
Bug: 168686456
Change-Id: I11be8cd2967f004fd58753d7c5fb99fed179cd63
diff --git a/java/aar.go b/java/aar.go
index 157d677..c8faed0 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -109,7 +109,7 @@
useEmbeddedNativeLibs bool
useEmbeddedDex bool
usesNonSdkApis bool
- sdkLibraries dexpreopt.LibraryPaths
+ sdkLibraries dexpreopt.ClassLoaderContextMap
hasNoCode bool
LoggingParent string
resourceFiles android.Paths
@@ -392,7 +392,7 @@
// aaptLibs collects libraries from dependencies and sdk_version and converts them into paths
func aaptLibs(ctx android.ModuleContext, sdkContext sdkContext) (transitiveStaticLibs, transitiveStaticLibManifests android.Paths,
- staticRRODirs []rroDir, assets, deps android.Paths, flags []string, sdkLibraries dexpreopt.LibraryPaths) {
+ staticRRODirs []rroDir, assets, deps android.Paths, flags []string, sdkLibraries dexpreopt.ClassLoaderContextMap) {
var sharedLibs android.Paths
@@ -401,7 +401,7 @@
sharedLibs = append(sharedLibs, sdkDep.jars...)
}
- sdkLibraries = make(dexpreopt.LibraryPaths)
+ sdkLibraries = make(dexpreopt.ClassLoaderContextMap)
ctx.VisitDirectDeps(func(module android.Module) {
var exportPackage android.Path
@@ -411,7 +411,7 @@
}
if dep, ok := module.(Dependency); ok {
- sdkLibraries.AddLibraryPaths(dep.ExportedSdkLibs())
+ sdkLibraries.AddContextMap(dep.ExportedSdkLibs())
}
switch ctx.OtherModuleDependencyTag(module) {
@@ -426,7 +426,7 @@
// (including the java_sdk_library) itself then append any implicit sdk library
// names to the list of sdk libraries to be added to the manifest.
if component, ok := module.(SdkLibraryComponentDependency); ok {
- sdkLibraries.MaybeAddLibraryPath(ctx, component.OptionalImplicitSdkLibrary(),
+ sdkLibraries.MaybeAddContext(ctx, component.OptionalImplicitSdkLibrary(),
component.DexJarBuildPath(), component.DexJarInstallPath())
}
@@ -439,7 +439,7 @@
transitiveStaticLibs = append(transitiveStaticLibs, aarDep.ExportedStaticPackages()...)
transitiveStaticLibs = append(transitiveStaticLibs, exportPackage)
transitiveStaticLibManifests = append(transitiveStaticLibManifests, aarDep.ExportedManifests()...)
- sdkLibraries.AddLibraryPaths(aarDep.ExportedSdkLibs())
+ sdkLibraries.AddContextMap(aarDep.ExportedSdkLibs())
if aarDep.ExportedAssets().Valid() {
assets = append(assets, aarDep.ExportedAssets().Path())
}
@@ -827,7 +827,7 @@
return nil
}
-func (a *AARImport) ExportedSdkLibs() dexpreopt.LibraryPaths {
+func (a *AARImport) ExportedSdkLibs() dexpreopt.ClassLoaderContextMap {
return nil
}
diff --git a/java/android_manifest.go b/java/android_manifest.go
index 62cd112..6b39c35 100644
--- a/java/android_manifest.go
+++ b/java/android_manifest.go
@@ -43,8 +43,9 @@
"args", "libs")
// Uses manifest_fixer.py to inject minSdkVersion, etc. into an AndroidManifest.xml
-func manifestFixer(ctx android.ModuleContext, manifest android.Path, sdkContext sdkContext, sdkLibraries dexpreopt.LibraryPaths,
- isLibrary, useEmbeddedNativeLibs, usesNonSdkApis, useEmbeddedDex, hasNoCode bool, loggingParent string) android.Path {
+func manifestFixer(ctx android.ModuleContext, manifest android.Path, sdkContext sdkContext,
+ sdkLibraries dexpreopt.ClassLoaderContextMap, isLibrary, useEmbeddedNativeLibs, usesNonSdkApis,
+ useEmbeddedDex, hasNoCode bool, loggingParent string) android.Path {
var args []string
if isLibrary {
@@ -70,7 +71,7 @@
args = append(args, "--use-embedded-dex")
}
- for _, usesLib := range android.SortedStringKeys(sdkLibraries) {
+ for _, usesLib := range sdkLibraries.UsesLibs() {
if inList(usesLib, dexpreopt.OptionalCompatUsesLibs) {
args = append(args, "--optional-uses-library", usesLib)
} else {
diff --git a/java/androidmk.go b/java/androidmk.go
index e1a661f..c606245 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -115,7 +115,7 @@
entries.SetPath("LOCAL_SOONG_JACOCO_REPORT_CLASSES_JAR", library.jacocoReportClassesFile)
}
- entries.AddStrings("LOCAL_EXPORT_SDK_LIBRARIES", android.SortedStringKeys(library.exportedSdkLibs)...)
+ entries.AddStrings("LOCAL_EXPORT_SDK_LIBRARIES", library.exportedSdkLibs.UsesLibs()...)
if len(library.additionalCheckedModules) != 0 {
entries.AddStrings("LOCAL_ADDITIONAL_CHECKED_MODULE", library.additionalCheckedModules.Strings()...)
diff --git a/java/app.go b/java/app.go
index c24e0c5..4848fae 100755
--- a/java/app.go
+++ b/java/app.go
@@ -601,7 +601,7 @@
return android.PathForModuleInstall(ctx, installDir, a.installApkName+".apk")
}
-func (a *AndroidApp) dexBuildActions(ctx android.ModuleContext, sdkLibs dexpreopt.LibraryPaths) android.Path {
+func (a *AndroidApp) dexBuildActions(ctx android.ModuleContext, sdkLibs dexpreopt.ClassLoaderContextMap) android.Path {
a.dexpreopter.installPath = a.installPath(ctx)
if a.dexProperties.Uncompress_dex == nil {
// If the value was not force-set by the user, use reasonable default based on the module.
@@ -609,12 +609,10 @@
}
a.dexpreopter.uncompressedDex = *a.dexProperties.Uncompress_dex
a.dexpreopter.enforceUsesLibs = a.usesLibrary.enforceUsesLibraries()
- a.dexpreopter.usesLibs = a.usesLibrary.usesLibraryProperties.Uses_libs
- a.dexpreopter.optionalUsesLibs = a.usesLibrary.presentOptionalUsesLibs(ctx)
- a.dexpreopter.libraryPaths = a.usesLibrary.usesLibraryPaths(ctx)
- a.dexpreopter.libraryPaths.AddLibraryPaths(sdkLibs)
+ a.dexpreopter.classLoaderContexts = a.usesLibrary.classLoaderContextForUsesLibDeps(ctx)
+ a.dexpreopter.classLoaderContexts.AddContextMap(sdkLibs)
a.dexpreopter.manifestFile = a.mergedManifestFile
- a.exportedSdkLibs = make(dexpreopt.LibraryPaths)
+ a.exportedSdkLibs = make(dexpreopt.ClassLoaderContextMap)
if ctx.ModuleName() != "framework-res" {
a.Module.compile(ctx, a.aaptSrcJar)
@@ -791,7 +789,7 @@
a.usesLibrary.freezeEnforceUsesLibraries()
// Add implicit SDK libraries to <uses-library> list.
- for _, usesLib := range android.SortedStringKeys(a.aapt.sdkLibraries) {
+ for _, usesLib := range a.aapt.sdkLibraries.UsesLibs() {
a.usesLibrary.addLib(usesLib, inList(usesLib, dexpreopt.OptionalCompatUsesLibs))
}
@@ -1540,9 +1538,7 @@
a.dexpreopter.uncompressedDex = a.shouldUncompressDex(ctx)
a.dexpreopter.enforceUsesLibs = a.usesLibrary.enforceUsesLibraries()
- a.dexpreopter.usesLibs = a.usesLibrary.usesLibraryProperties.Uses_libs
- a.dexpreopter.optionalUsesLibs = a.usesLibrary.presentOptionalUsesLibs(ctx)
- a.dexpreopter.libraryPaths = a.usesLibrary.usesLibraryPaths(ctx)
+ a.dexpreopter.classLoaderContexts = a.usesLibrary.classLoaderContextForUsesLibDeps(ctx)
dexOutput := a.dexpreopter.dexpreopt(ctx, jnisUncompressed)
if a.dexpreopter.uncompressedDex {
@@ -1976,17 +1972,18 @@
return optionalUsesLibs
}
-// usesLibraryPaths returns a map of module names of shared library dependencies to the paths
+// Returns a map of module names of shared library dependencies to the paths
// to their dex jars on host and on device.
-func (u *usesLibrary) usesLibraryPaths(ctx android.ModuleContext) dexpreopt.LibraryPaths {
- usesLibPaths := make(dexpreopt.LibraryPaths)
+func (u *usesLibrary) classLoaderContextForUsesLibDeps(ctx android.ModuleContext) dexpreopt.ClassLoaderContextMap {
+ clcMap := make(dexpreopt.ClassLoaderContextMap)
if !ctx.Config().UnbundledBuild() {
ctx.VisitDirectDeps(func(m android.Module) {
- if _, ok := ctx.OtherModuleDependencyTag(m).(usesLibraryDependencyTag); ok {
+ if tag, ok := ctx.OtherModuleDependencyTag(m).(usesLibraryDependencyTag); ok {
dep := ctx.OtherModuleName(m)
if lib, ok := m.(Dependency); ok {
- usesLibPaths.AddLibraryPath(ctx, dep, lib.DexJarBuildPath(), lib.DexJarInstallPath())
+ clcMap.AddContextForSdk(ctx, tag.sdkVersion, dep,
+ lib.DexJarBuildPath(), lib.DexJarInstallPath(), lib.ExportedSdkLibs())
} else if ctx.Config().AllowMissingDependencies() {
ctx.AddMissingDependencies([]string{dep})
} else {
@@ -1996,7 +1993,7 @@
})
}
- return usesLibPaths
+ return clcMap
}
// enforceUsesLibraries returns true of <uses-library> tags should be checked against uses_libs and optional_uses_libs
diff --git a/java/app_test.go b/java/app_test.go
index 82577e3..d9e4d3a 100644
--- a/java/app_test.go
+++ b/java/app_test.go
@@ -2815,11 +2815,11 @@
// Test that all present libraries are preopted, including implicit SDK dependencies, possibly stubs
cmd = app.Rule("dexpreopt").RuleParams.Command
w := `--target-context-for-sdk any ` +
- `PCL[/system/framework/foo.jar]#` +
- `PCL[/system/framework/quuz.jar]#` +
`PCL[/system/framework/qux.jar]#` +
- `PCL[/system/framework/runtime-library.jar]#` +
- `PCL[/system/framework/bar.jar]`
+ `PCL[/system/framework/quuz.jar]#` +
+ `PCL[/system/framework/foo.jar]#` +
+ `PCL[/system/framework/bar.jar]#` +
+ `PCL[/system/framework/runtime-library.jar]`
if !strings.Contains(cmd, w) {
t.Errorf("wanted %q in %q", w, cmd)
}
diff --git a/java/device_host_converter.go b/java/device_host_converter.go
index 40a2280..d8b617e 100644
--- a/java/device_host_converter.go
+++ b/java/device_host_converter.go
@@ -163,7 +163,7 @@
return nil
}
-func (d *DeviceHostConverter) ExportedSdkLibs() dexpreopt.LibraryPaths {
+func (d *DeviceHostConverter) ExportedSdkLibs() dexpreopt.ClassLoaderContextMap {
return nil
}
diff --git a/java/dexpreopt.go b/java/dexpreopt.go
index 20dbc66..a21fb76 100644
--- a/java/dexpreopt.go
+++ b/java/dexpreopt.go
@@ -33,11 +33,9 @@
isTest bool
isPresignedPrebuilt bool
- manifestFile android.Path
- usesLibs []string
- optionalUsesLibs []string
- enforceUsesLibs bool
- libraryPaths dexpreopt.LibraryPaths
+ manifestFile android.Path
+ enforceUsesLibs bool
+ classLoaderContexts dexpreopt.ClassLoaderContextMap
builtInstalled string
}
@@ -193,10 +191,8 @@
ProfileIsTextListing: profileIsTextListing,
ProfileBootListing: profileBootListing,
- EnforceUsesLibraries: d.enforceUsesLibs,
- OptionalUsesLibraries: d.optionalUsesLibs,
- UsesLibraries: d.usesLibs,
- LibraryPaths: d.libraryPaths,
+ EnforceUsesLibraries: d.enforceUsesLibs,
+ ClassLoaderContexts: d.classLoaderContexts,
Archs: archs,
DexPreoptImages: images,
diff --git a/java/java.go b/java/java.go
index 9f09051..31466b0 100644
--- a/java/java.go
+++ b/java/java.go
@@ -416,8 +416,8 @@
// manifest file to use instead of properties.Manifest
overrideManifest android.OptionalPath
- // map of SDK libs exported by this java module to their build and install paths
- exportedSdkLibs dexpreopt.LibraryPaths
+ // map of SDK version to class loader context
+ exportedSdkLibs dexpreopt.ClassLoaderContextMap
// list of plugins that this java module is exporting
exportedPluginJars android.Paths
@@ -509,7 +509,7 @@
ImplementationJars() android.Paths
ResourceJars() android.Paths
AidlIncludeDirs() android.Paths
- ExportedSdkLibs() dexpreopt.LibraryPaths
+ ExportedSdkLibs() dexpreopt.ClassLoaderContextMap
ExportedPlugins() (android.Paths, []string)
SrcJarArgs() ([]string, android.Paths)
BaseModuleName() string
@@ -1027,7 +1027,8 @@
case libTag:
deps.classpath = append(deps.classpath, dep.SdkHeaderJars(ctx, j.sdkVersion())...)
// names of sdk libs that are directly depended are exported
- j.exportedSdkLibs.MaybeAddLibraryPath(ctx, dep.OptionalImplicitSdkLibrary(), dep.DexJarBuildPath(), dep.DexJarInstallPath())
+ j.exportedSdkLibs.MaybeAddContext(ctx, dep.OptionalImplicitSdkLibrary(),
+ dep.DexJarBuildPath(), dep.DexJarInstallPath())
case staticLibTag:
ctx.ModuleErrorf("dependency on java_sdk_library %q can only be in libs", otherName)
}
@@ -1038,7 +1039,7 @@
case libTag, instrumentationForTag:
deps.classpath = append(deps.classpath, dep.HeaderJars()...)
// sdk lib names from dependencies are re-exported
- j.exportedSdkLibs.AddLibraryPaths(dep.ExportedSdkLibs())
+ j.exportedSdkLibs.AddContextMap(dep.ExportedSdkLibs())
deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs()...)
pluginJars, pluginClasses := dep.ExportedPlugins()
addPlugins(&deps, pluginJars, pluginClasses...)
@@ -1050,7 +1051,7 @@
deps.staticHeaderJars = append(deps.staticHeaderJars, dep.HeaderJars()...)
deps.staticResourceJars = append(deps.staticResourceJars, dep.ResourceJars()...)
// sdk lib names from dependencies are re-exported
- j.exportedSdkLibs.AddLibraryPaths(dep.ExportedSdkLibs())
+ j.exportedSdkLibs.AddContextMap(dep.ExportedSdkLibs())
deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs()...)
pluginJars, pluginClasses := dep.ExportedPlugins()
addPlugins(&deps, pluginJars, pluginClasses...)
@@ -1902,7 +1903,7 @@
return j.exportAidlIncludeDirs
}
-func (j *Module) ExportedSdkLibs() dexpreopt.LibraryPaths {
+func (j *Module) ExportedSdkLibs() dexpreopt.ClassLoaderContextMap {
return j.exportedSdkLibs
}
@@ -2041,7 +2042,7 @@
j.dexProperties.Uncompress_dex = proptools.BoolPtr(shouldUncompressDex(ctx, &j.dexpreopter))
}
j.dexpreopter.uncompressedDex = *j.dexProperties.Uncompress_dex
- j.exportedSdkLibs = make(dexpreopt.LibraryPaths)
+ j.exportedSdkLibs = make(dexpreopt.ClassLoaderContextMap)
j.compile(ctx, nil)
// Collect the module directory for IDE info in java/jdeps.go.
@@ -2061,11 +2062,12 @@
// add the name of that java_sdk_library to the exported sdk libs to make sure
// that, if necessary, a <uses-library> element for that java_sdk_library is
// added to the Android manifest.
- j.exportedSdkLibs.MaybeAddLibraryPath(ctx, j.OptionalImplicitSdkLibrary(), j.DexJarBuildPath(), j.DexJarInstallPath())
+ j.exportedSdkLibs.MaybeAddContext(ctx, j.OptionalImplicitSdkLibrary(),
+ j.DexJarBuildPath(), j.DexJarInstallPath())
// A non-SDK library may provide a <uses-library> (the name may be different from the module name).
if lib := proptools.String(j.usesLibraryProperties.Provides_uses_lib); lib != "" {
- j.exportedSdkLibs.AddLibraryPath(ctx, lib, j.DexJarBuildPath(), j.DexJarInstallPath())
+ j.exportedSdkLibs.AddContext(ctx, lib, j.DexJarBuildPath(), j.DexJarInstallPath())
}
j.distFiles = j.GenerateTaggedDistFiles(ctx)
@@ -2644,7 +2646,7 @@
dexJarFile android.Path
combinedClasspathFile android.Path
- exportedSdkLibs dexpreopt.LibraryPaths
+ exportedSdkLibs dexpreopt.ClassLoaderContextMap
exportAidlIncludeDirs android.Paths
hideApexVariantFromMake bool
@@ -2719,7 +2721,7 @@
TransformJetifier(ctx, outputFile, inputFile)
}
j.combinedClasspathFile = outputFile
- j.exportedSdkLibs = make(dexpreopt.LibraryPaths)
+ j.exportedSdkLibs = make(dexpreopt.ClassLoaderContextMap)
var flags javaBuilderFlags
@@ -2733,7 +2735,7 @@
case libTag, staticLibTag:
flags.classpath = append(flags.classpath, dep.HeaderJars()...)
// sdk lib names from dependencies are re-exported
- j.exportedSdkLibs.AddLibraryPaths(dep.ExportedSdkLibs())
+ j.exportedSdkLibs.AddContextMap(dep.ExportedSdkLibs())
case bootClasspathTag:
flags.bootClasspath = append(flags.bootClasspath, dep.HeaderJars()...)
}
@@ -2742,7 +2744,8 @@
case libTag:
flags.classpath = append(flags.classpath, dep.SdkHeaderJars(ctx, j.sdkVersion())...)
// names of sdk libs that are directly depended are exported
- j.exportedSdkLibs.AddLibraryPath(ctx, otherName, dep.DexJarBuildPath(), dep.DexJarInstallPath())
+ j.exportedSdkLibs.AddContext(ctx, otherName,
+ dep.DexJarBuildPath(), dep.DexJarInstallPath())
}
}
})
@@ -2757,7 +2760,8 @@
// add the name of that java_sdk_library to the exported sdk libs to make sure
// that, if necessary, a <uses-library> element for that java_sdk_library is
// added to the Android manifest.
- j.exportedSdkLibs.MaybeAddLibraryPath(ctx, j.OptionalImplicitSdkLibrary(), outputFile, installFile)
+ j.exportedSdkLibs.MaybeAddContext(ctx, j.OptionalImplicitSdkLibrary(),
+ outputFile, installFile)
j.exportAidlIncludeDirs = android.PathsForModuleSrc(ctx, j.properties.Aidl.Export_include_dirs)
@@ -2839,7 +2843,7 @@
return j.exportAidlIncludeDirs
}
-func (j *Import) ExportedSdkLibs() dexpreopt.LibraryPaths {
+func (j *Import) ExportedSdkLibs() dexpreopt.ClassLoaderContextMap {
return j.exportedSdkLibs
}
diff --git a/java/java_test.go b/java/java_test.go
index 6c0a908..81c4f22 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -1593,8 +1593,8 @@
// test if baz has exported SDK lib names foo and bar to qux
qux := ctx.ModuleForTests("qux", "android_common")
if quxLib, ok := qux.Module().(*Library); ok {
- sdkLibs := android.SortedStringKeys(quxLib.ExportedSdkLibs())
- if w := []string{"bar", "foo", "fred", "quuz"}; !reflect.DeepEqual(w, sdkLibs) {
+ sdkLibs := quxLib.ExportedSdkLibs().UsesLibs()
+ if w := []string{"foo", "bar", "fred", "quuz"}; !reflect.DeepEqual(w, sdkLibs) {
t.Errorf("qux should export %q but exports %q", w, sdkLibs)
}
}