From ec7862283dd49f5a58d0ac45960ce27c2f7671b8 Mon Sep 17 00:00:00 2001
From: Vladimir Marko <vmarko@google.com>
Date: Tue, 20 Dec 2016 16:24:13 +0000
Subject: Hash-based dex cache type array.

Test: m test-art-host (Interpreter, Optimizing, JIT)
Test: m test-art-target on Nexus 6P (Interpreter, Optimizing, JIT)
Test: Nexus 6P boots
Test: m valgrind-test-art-host
Bug: 30627598
Bug: 34659969
Bug: 30419309
Change-Id: Ic00eda89e58088a3573fc9ec0ad04c0e69e161d1
---
 runtime/native/java_lang_DexCache.cc | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'runtime/native/java_lang_DexCache.cc')

diff --git a/runtime/native/java_lang_DexCache.cc b/runtime/native/java_lang_DexCache.cc
index f1c350f23c..0b667fec45 100644
--- a/runtime/native/java_lang_DexCache.cc
+++ b/runtime/native/java_lang_DexCache.cc
@@ -53,7 +53,7 @@ static jobject DexCache_getDexNative(JNIEnv* env, jobject javaDexCache) {
 static jobject DexCache_getResolvedType(JNIEnv* env, jobject javaDexCache, jint type_index) {
   ScopedFastNativeObjectAccess soa(env);
   ObjPtr<mirror::DexCache> dex_cache = soa.Decode<mirror::DexCache>(javaDexCache);
-  CHECK_LT(static_cast<size_t>(type_index), dex_cache->NumResolvedTypes());
+  CHECK_LT(static_cast<size_t>(type_index), dex_cache->GetDexFile()->NumTypeIds());
   return soa.AddLocalReference<jobject>(dex_cache->GetResolvedType(dex::TypeIndex(type_index)));
 }
 
@@ -69,8 +69,11 @@ static void DexCache_setResolvedType(JNIEnv* env, jobject javaDexCache, jint typ
                                      jobject type) {
   ScopedFastNativeObjectAccess soa(env);
   ObjPtr<mirror::DexCache> dex_cache = soa.Decode<mirror::DexCache>(javaDexCache);
-  CHECK_LT(static_cast<size_t>(type_index), dex_cache->NumResolvedTypes());
-  dex_cache->SetResolvedType(dex::TypeIndex(type_index), soa.Decode<mirror::Class>(type));
+  CHECK_LT(static_cast<size_t>(type_index), dex_cache->GetDexFile()->NumTypeIds());
+  ObjPtr<mirror::Class> t = soa.Decode<mirror::Class>(type);
+  if (t != nullptr) {
+    dex_cache->SetResolvedType(dex::TypeIndex(type_index), t);
+  }
 }
 
 static void DexCache_setResolvedString(JNIEnv* env, jobject javaDexCache, jint string_index,
@@ -78,7 +81,10 @@ static void DexCache_setResolvedString(JNIEnv* env, jobject javaDexCache, jint s
   ScopedFastNativeObjectAccess soa(env);
   ObjPtr<mirror::DexCache> dex_cache = soa.Decode<mirror::DexCache>(javaDexCache);
   CHECK_LT(static_cast<size_t>(string_index), dex_cache->GetDexFile()->NumStringIds());
-  dex_cache->SetResolvedString(dex::StringIndex(string_index), soa.Decode<mirror::String>(string));
+  ObjPtr<mirror::String> s = soa.Decode<mirror::String>(string);
+  if (s != nullptr) {
+    dex_cache->SetResolvedString(dex::StringIndex(string_index), s);
+  }
 }
 
 static JNINativeMethod gMethods[] = {
-- 
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