commit fead81964f2f5d0d9a62f915a1a428bfde9f6376
author Jeff Hao <jeffhao@google.com> Fri Apr 22 14:00:06 2016 -0700
committer Jeff Hao <jeffhao@google.com> Thu Apr 28 18:14:15 2016 +0000
tree dfe9406a373628d23800dabb2c8b4f0ae00110e1
parent ba20abcd1bf567bac34b82794c3630a0ca81be3d

Add ability to see if a dex file is backed by an oat file.

Native support for new DexFile.isBackedByOatFile.

Part of a multi-project change.

Bug: 26880306

(cherry-picked from commit 93a66cc779898d46c620e5d9c8bc71e2a71f6610)

Change-Id: I15e8ec44a216b13e494affd2fd3ff5f66fa79597

runtime/native/dalvik_system_DexFile.cc

diff --git a/runtime/native/dalvik_system_DexFile.cc b/runtime/native/dalvik_system_DexFile.cc
index 0abe39d..38d8efc 100644
--- a/runtime/native/dalvik_system_DexFile.cc
+++ b/runtime/native/dalvik_system_DexFile.cc
@@ -481,6 +481,16 @@
   return env->NewStringUTF(new_filter_str.c_str());
 }
 
+static jboolean DexFile_isBackedByOatFile(JNIEnv* env, jclass, jobject cookie) {
+  const OatFile* oat_file = nullptr;
+  std::vector<const DexFile*> dex_files;
+  if (!ConvertJavaArrayToDexFiles(env, cookie, /*out */ dex_files, /* out */ oat_file)) {
+    DCHECK(env->ExceptionCheck());
+    return false;
+  }
+  return oat_file != nullptr;
+}
+
 static JNINativeMethod gMethods[] = {
   NATIVE_METHOD(DexFile, closeDexFile, "(Ljava/lang/Object;)Z"),
   NATIVE_METHOD(DexFile,
@@ -506,6 +516,7 @@
   NATIVE_METHOD(DexFile,
                 getNonProfileGuidedCompilerFilter,
                 "(Ljava/lang/String;)Ljava/lang/String;"),
+  NATIVE_METHOD(DexFile, isBackedByOatFile, "(Ljava/lang/Object;)Z"),
 };
 
 void register_dalvik_system_DexFile(JNIEnv* env) {