dalvik_system_DexFile.cc revision 2dd0e2cea360bc9206eb88ecc40d259e796c239d
1f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom/* 2f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * Copyright (C) 2008 The Android Open Source Project 3f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * 4f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * Licensed under the Apache License, Version 2.0 (the "License"); 5f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * you may not use this file except in compliance with the License. 6f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * You may obtain a copy of the License at 7f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * 8f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * http://www.apache.org/licenses/LICENSE-2.0 9f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * 10f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * Unless required by applicable law or agreed to in writing, software 11f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * distributed under the License is distributed on an "AS IS" BASIS, 12f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * See the License for the specific language governing permissions and 14f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom * limitations under the License. 15f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom */ 16f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 171d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom#include <unistd.h> 181d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 1907ed66b5ae659c452cbe1ab20c3dbf1d6f546461Elliott Hughes#include "base/logging.h" 20aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom#include "class_linker.h" 21aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom#include "dex_file.h" 2207ed66b5ae659c452cbe1ab20c3dbf1d6f546461Elliott Hughes#include "gc/space.h" 2381f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom#include "image.h" 24eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "jni_internal.h" 252dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 262dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/string.h" 27700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom#include "oat.h" 281d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom#include "os.h" 29aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom#include "runtime.h" 3000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "scoped_thread_state_change.h" 31c981848a3425662034c5429b61c035e7533b896dIan Rogers#include "ScopedLocalRef.h" 32f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom#include "ScopedUtfChars.h" 33eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "toStringArray.h" 34eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "zip_archive.h" 35f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 36f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromnamespace art { 37f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 38f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// A smart pointer that provides read-only access to a Java string's UTF chars. 39f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// Unlike libcore's NullableScopedUtfChars, this will *not* throw NullPointerException if 40f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// passed a null jstring. The correct idiom is: 41f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// 42f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// NullableScopedUtfChars name(env, javaName); 43c252c3eacd83a0c110dd065690a7f652be35b0e7Brian Carlstrom// if (env->ExceptionCheck()) { 44f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// return NULL; 45f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// } 46f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// // ... use name.c_str() 47f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// 48f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// TODO: rewrite to get rid of this, or change ScopedUtfChars to offer this option. 49f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromclass NullableScopedUtfChars { 50ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes public: 51ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes NullableScopedUtfChars(JNIEnv* env, jstring s) : mEnv(env), mString(s) { 52ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes mUtfChars = (s != NULL) ? env->GetStringUTFChars(s, NULL) : NULL; 53ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 54f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 55ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes ~NullableScopedUtfChars() { 56ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes if (mUtfChars) { 57ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes mEnv->ReleaseStringUTFChars(mString, mUtfChars); 58f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom } 59ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 60f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 61ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes const char* c_str() const { 62ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes return mUtfChars; 63ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 64f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 65ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes size_t size() const { 66ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes return strlen(mUtfChars); 67ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 68f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 69ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes // Element access. 70ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes const char& operator[](size_t n) const { 71ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes return mUtfChars[n]; 72ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 73f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 74ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes private: 75ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes JNIEnv* mEnv; 76ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes jstring mString; 77ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes const char* mUtfChars; 78f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 79ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes // Disallow copy and assignment. 80ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes NullableScopedUtfChars(const NullableScopedUtfChars&); 81ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes void operator=(const NullableScopedUtfChars&); 82f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom}; 83f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 84c393a4f7c91534ac41a81d66b12c22e68df28fc7jeffhaostatic jint DexFile_openDexFile(JNIEnv* env, jclass, jstring javaSourceName, jstring javaOutputName, jint) { 85f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom ScopedUtfChars sourceName(env, javaSourceName); 86f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom if (sourceName.c_str() == NULL) { 87f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom return 0; 88f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom } 895b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom std::string source(sourceName.c_str()); 90f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NullableScopedUtfChars outputName(env, javaOutputName); 91c252c3eacd83a0c110dd065690a7f652be35b0e7Brian Carlstrom if (env->ExceptionCheck()) { 92f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom return 0; 93f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom } 9400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 95262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao const DexFile* dex_file; 96262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao if (outputName.c_str() == NULL) { 975b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom dex_file = Runtime::Current()->GetClassLinker()->FindDexFileInOatFileFromDexLocation(source); 98262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao } else { 995b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom std::string output(outputName.c_str()); 10000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers dex_file = 10100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Runtime::Current()->GetClassLinker()->FindOrCreateOatFileForDexLocation(source, output); 102c393a4f7c91534ac41a81d66b12c22e68df28fc7jeffhao } 103aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 1045b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom LOG(WARNING) << "Failed to open dex file: " << source; 105eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes Thread::Current()->ThrowNewExceptionF("Ljava/io/IOException;", "Unable to open dex file: %s", 106eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes source.c_str()); 107c393a4f7c91534ac41a81d66b12c22e68df28fc7jeffhao return 0; 108aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 109aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return static_cast<jint>(reinterpret_cast<uintptr_t>(dex_file)); 110aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom} 111aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 11200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic const DexFile* toDexFile(int dex_file_address) 113b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 114aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile* dex_file = reinterpret_cast<const DexFile*>(static_cast<uintptr_t>(dex_file_address)); 115b3e66dfcd069db8818cd902d787ff1d7bbca45f2Elliott Hughes if (dex_file == NULL) { 116eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes Thread::Current()->ThrowNewExceptionF("Ljava/lang/NullPointerException;", "dex_file == null"); 117aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 118aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return dex_file; 119f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 120f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 12100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void DexFile_closeDexFile(JNIEnv* env, jclass, jint cookie) { 12200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* dex_file; 12300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 12400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 12500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers dex_file = toDexFile(cookie); 12600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 127aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 128aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return; 129aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 130aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (Runtime::Current()->GetClassLinker()->IsDexFileRegistered(*dex_file)) { 131aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return; 132aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 133aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom delete dex_file; 134f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 135f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 1360512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jclass DexFile_defineClassNative(JNIEnv* env, jclass, jstring javaName, jobject javaLoader, 1370512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughes jint cookie) { 13800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 139eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes const DexFile* dex_file = toDexFile(cookie); 140aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 141aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return NULL; 142aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 143df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom ScopedUtfChars class_name(env, javaName); 144df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom if (class_name.c_str() == NULL) { 145df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom return NULL; 146df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom } 147955724179c6c739524f610023287f56b24dc31deElliott Hughes const std::string descriptor(DotToDescriptor(class_name.c_str())); 148aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile::ClassDef* dex_class_def = dex_file->FindClassDef(descriptor); 149aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_class_def == NULL) { 150aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return NULL; 151aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 152aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 153aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom class_linker->RegisterDexFile(*dex_file); 1542dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(javaLoader); 1552dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* result = class_linker->DefineClass(descriptor, class_loader, *dex_file, *dex_class_def); 15600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return soa.AddLocalReference<jclass>(result); 157f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 158f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 1590512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jobjectArray DexFile_getClassNameList(JNIEnv* env, jclass, jint cookie) { 16000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* dex_file; 16100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 16200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 16300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers dex_file = toDexFile(cookie); 16400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 165aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 166aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return NULL; 167aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 16803a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom 16903a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom std::vector<std::string> class_names; 17003a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom for (size_t i = 0; i < dex_file->NumClassDefs(); ++i) { 17103a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom const DexFile::ClassDef& class_def = dex_file->GetClassDef(i); 17203a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom const char* descriptor = dex_file->GetClassDescriptor(class_def); 17303a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom class_names.push_back(DescriptorToDot(descriptor)); 17403a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom } 17503a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom return toStringArray(env, class_names); 176f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 177f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 1780512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jboolean DexFile_isDexOptNeeded(JNIEnv* env, jclass, jstring javaFilename) { 179bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom bool debug_logging = false; 180bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom 18103a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom ScopedUtfChars filename(env, javaFilename); 18203a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom if (filename.c_str() == NULL) { 183bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded null filename"; 1841d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_TRUE; 1851d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 1861d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 1871d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom if (!OS::FileExists(filename.c_str())) { 188bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded file '" << filename.c_str() << "' does not exist"; 18900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 190eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes Thread::Current()->ThrowNewExceptionF("Ljava/io/FileNotFoundException;", "%s", filename.c_str()); 1911d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_TRUE; 1921d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 1931d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 1941d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom // Always treat elements of the bootclasspath as up-to-date. The 1951d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom // fact that code is running at all means that this should be true. 19681f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom Runtime* runtime = Runtime::Current(); 19781f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom ClassLinker* class_linker = runtime->GetClassLinker(); 1981d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom const std::vector<const DexFile*>& boot_class_path = class_linker->GetBootClassPath(); 1991d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom for (size_t i = 0; i < boot_class_path.size(); i++) { 2001d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom if (boot_class_path[i]->GetLocation() == filename.c_str()) { 201bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom if (debug_logging) { 202bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded ignoring boot class path file: " << filename.c_str(); 203bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 2041d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_FALSE; 2051d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 2061d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 2071d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 208afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom // Check if we have an oat file next to the dex file. 209a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom std::string oat_filename(OatFile::DexFilenameToOatFilename(filename.c_str())); 2101cac343f8621a81bcd3f52f8eee0f497a66d7408Brian Carlstrom UniquePtr<const OatFile> oat_file(OatFile::Open(oat_filename, oat_filename, NULL)); 21158cbbc25c91b96f4766c66cefa0a0cf6ba7b1d45Brian Carlstrom if (oat_file.get() != NULL && oat_file->GetOatDexFile(filename.c_str()) != NULL) { 212afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom uint32_t location_checksum; 213afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom // If we have no classes.dex checksum such as in a user build, assume up-to-date. 214afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom if (!DexFile::GetChecksum(filename.c_str(), location_checksum)) { 215afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom if (debug_logging) { 216afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded ignoring precompiled stripped file: " << filename.c_str(); 217afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom } 218afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom return JNI_FALSE; 219afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom } 22000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 221afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom if (ClassLinker::VerifyOatFileChecksums(oat_file.get(), filename.c_str(), location_checksum)) { 222afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom if (debug_logging) { 223afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded precompiled file " << oat_filename 224afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom << " is up-to-date checksum compared to " << filename.c_str(); 225afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom } 226afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom return JNI_FALSE; 227bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 2285b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom } 2295b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 230a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom // Check if we have an oat file in the cache 231a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom std::string cache_location(GetArtCacheFilenameOrDie(oat_filename)); 2321cac343f8621a81bcd3f52f8eee0f497a66d7408Brian Carlstrom oat_file.reset(OatFile::Open(cache_location, oat_filename, NULL)); 23358cbbc25c91b96f4766c66cefa0a0cf6ba7b1d45Brian Carlstrom if (oat_file.get() == NULL) { 234bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 235bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom << " does not exist for " << filename.c_str(); 2365b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom return JNI_TRUE; 2375b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom } 2385b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 239b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier Heap* heap = runtime->GetHeap(); 240b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier const Spaces& spaces = heap->GetSpaces(); 241b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier // TODO: C++0x auto 242b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier for (Spaces::const_iterator cur = spaces.begin(); cur != spaces.end(); ++cur) { 243b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier if ((*cur)->IsImageSpace()) { 244b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier // TODO: Ensure this works with multiple image spaces. 245b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier const ImageHeader& image_header = (*cur)->AsImageSpace()->GetImageHeader(); 24628db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom if (oat_file->GetOatHeader().GetImageFileLocationOatChecksum() != image_header.GetOatChecksum()) { 24700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 248b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 24928db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom << " has out-of-date oat checksum compared to " 25028db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom << image_header.GetImageRoot(ImageHeader::kOatLocation)->AsString()->ToModifiedUtf8(); 25128db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom return JNI_TRUE; 25228db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom } 253700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (oat_file->GetOatHeader().GetImageFileLocationOatDataBegin() 254700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom != reinterpret_cast<uint32_t>(image_header.GetOatDataBegin())) { 25528db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom ScopedObjectAccess soa(env); 25628db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 25728db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom << " has out-of-date oat begin compared to " 258b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier << image_header.GetImageRoot(ImageHeader::kOatLocation)->AsString()->ToModifiedUtf8(); 259b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier return JNI_TRUE; 260b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 261b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 26281f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom } 26381f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom 264a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom uint32_t location_checksum; 265a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom if (!DexFile::GetChecksum(filename.c_str(), location_checksum)) { 266bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded failed to compute checksum of " << filename.c_str(); 267a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom return JNI_TRUE; 268a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom } 269a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom 27000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 271afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom if (!ClassLinker::VerifyOatFileChecksums(oat_file.get(), filename.c_str(), location_checksum)) { 272bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 27300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers << " has out-of-date checksum compared to " << filename.c_str(); 2745b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom return JNI_TRUE; 2755b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom } 2765b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 277bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom if (debug_logging) { 278bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 279bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom << " is up-to-date for " << filename.c_str(); 280bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 281f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom return JNI_FALSE; 282f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 283f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 284f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromstatic JNINativeMethod gMethods[] = { 285f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, closeDexFile, "(I)V"), 28666a556f94e5dc9ba55bec9a11bee5671faa03e23Ian Rogers NATIVE_METHOD(DexFile, defineClassNative, "(Ljava/lang/String;Ljava/lang/ClassLoader;I)Ljava/lang/Class;"), 287f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, getClassNameList, "(I)[Ljava/lang/String;"), 288f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, isDexOptNeeded, "(Ljava/lang/String;)Z"), 289f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, openDexFile, "(Ljava/lang/String;Ljava/lang/String;I)I"), 290f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom}; 291f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 292f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromvoid register_dalvik_system_DexFile(JNIEnv* env) { 293eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes REGISTER_NATIVE_METHODS("dalvik/system/DexFile"); 294f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 295f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 296f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} // namespace art 297