Update DexLoadReporter to comply with the new reporting API

This is a partial cherry pick of commit
3bec94d78b0a66c4fa5cebd851ea33bcc51916b0.

It is partial because it only adapts DexLoadReporter to use the new
reporter BaseDexClassLoader.Reporter API.

Bug: 38138251
Test: make
Merged-In: I2486522fb811f9fc58a44b92642f43a41e7d5bac

(cherry picked from commit 3bec94d78b0a66c4fa5cebd851ea33bcc51916b0)

Change-Id: I4c41dbeb8a9297caac8b0eb936cf74832569f33e

1 files changed, 28 insertions, 9 deletions

diff --git a/core/java/android/app/DexLoadReporter.java b/core/java/android/app/DexLoadReporter.java
index 13f288ab7454..5f61e07ec46e 100644
--- a/core/java/android/app/DexLoadReporter.java
+++ b/core/java/android/app/DexLoadReporter.java
@@ -28,6 +28,8 @@ import dalvik.system.VMRuntime;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -86,29 +88,46 @@ import java.util.Set;
     }
 
     @Override
-    public void report(List<String> dexPaths) {
-        if (dexPaths.isEmpty()) {
+    public void report(List<BaseDexClassLoader> classLoadersChain, List<String> classPaths) {
+        if (classLoadersChain.size() != classPaths.size()) {
+            Slog.wtf(TAG, "Bad call to DexLoadReporter: argument size mismatch");
             return;
         }
+        if (classPaths.isEmpty()) {
+            Slog.wtf(TAG, "Bad call to DexLoadReporter: empty dex paths");
+            return;
+        }
+
+        // The first element of classPaths is the list of dex files that should be registered.
+        // The classpath is represented as a list of dex files separated by File.pathSeparator.
+        String[] dexPathsForRegistration = classPaths.get(0).split(File.pathSeparator);
+        if (dexPathsForRegistration.length == 0) {
+            // No dex files to register.
+            return;
+        }
+
         // Notify the package manager about the dex loads unconditionally.
         // The load might be for either a primary or secondary dex file.
-        notifyPackageManager(dexPaths);
-        // Check for secondary dex files and register them for profiling if
-        // possible.
-        registerSecondaryDexForProfiling(dexPaths);
+        notifyPackageManager(classLoadersChain, classPaths);
+        // Check for secondary dex files and register them for profiling if possible.
+        // Note that we only register the dex paths belonging to the first class loader.
+        registerSecondaryDexForProfiling(dexPathsForRegistration);
     }
 
-    private void notifyPackageManager(List<String> dexPaths) {
+    private void notifyPackageManager(List<BaseDexClassLoader> ignored,
+            List<String> classPaths) {
         String packageName = ActivityThread.currentPackageName();
         try {
+            // Notify only the paths of the first class loader for now.
             ActivityThread.getPackageManager().notifyDexLoad(
-                    packageName, dexPaths, VMRuntime.getRuntime().vmInstructionSet());
+                    packageName, Arrays.asList(classPaths.get(0).split(File.pathSeparator)),
+                    VMRuntime.getRuntime().vmInstructionSet());
         } catch (RemoteException re) {
             Slog.e(TAG, "Failed to notify PM about dex load for package " + packageName, re);
         }
     }
 
-    private void registerSecondaryDexForProfiling(List<String> dexPaths) {
+    private void registerSecondaryDexForProfiling(String[] dexPaths) {
         if (!SystemProperties.getBoolean("dalvik.vm.dexopt.secondary", false)) {
             return;
         }