dalvik_system_DexFile.cc revision bf2cb16f442fc48acd296d3d321590fb58173f36
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 19aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom#include "class_loader.h" 20aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom#include "class_linker.h" 21aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom#include "dex_file.h" 22f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom#include "logging.h" 231d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom#include "os.h" 24aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom#include "runtime.h" 25c393a4f7c91534ac41a81d66b12c22e68df28fc7jeffhao#include "zip_archive.h" 2603a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom#include "toStringArray.h" 27c981848a3425662034c5429b61c035e7533b896dIan Rogers#include "ScopedLocalRef.h" 28f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom#include "ScopedUtfChars.h" 29f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 30f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom#include "JniConstants.h" // Last to avoid problems with LOG redefinition. 31f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 32f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromnamespace art { 33f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 34f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromnamespace { 35f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 36f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// A smart pointer that provides read-only access to a Java string's UTF chars. 37f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// Unlike libcore's NullableScopedUtfChars, this will *not* throw NullPointerException if 38f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// passed a null jstring. The correct idiom is: 39f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// 40f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// NullableScopedUtfChars name(env, javaName); 41c252c3eacd83a0c110dd065690a7f652be35b0e7Brian Carlstrom// if (env->ExceptionCheck()) { 42f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// return NULL; 43f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// } 44f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// // ... use name.c_str() 45f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// 46f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// TODO: rewrite to get rid of this, or change ScopedUtfChars to offer this option. 47f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromclass NullableScopedUtfChars { 48ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes public: 49ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes NullableScopedUtfChars(JNIEnv* env, jstring s) : mEnv(env), mString(s) { 50ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes mUtfChars = (s != NULL) ? env->GetStringUTFChars(s, NULL) : NULL; 51ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 52f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 53ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes ~NullableScopedUtfChars() { 54ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes if (mUtfChars) { 55ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes mEnv->ReleaseStringUTFChars(mString, mUtfChars); 56f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom } 57ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 58f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 59ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes const char* c_str() const { 60ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes return mUtfChars; 61ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 62f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 63ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes size_t size() const { 64ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes return strlen(mUtfChars); 65ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 66f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 67ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes // Element access. 68ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes const char& operator[](size_t n) const { 69ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes return mUtfChars[n]; 70ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 71f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 72ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes private: 73ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes JNIEnv* mEnv; 74ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes jstring mString; 75ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes const char* mUtfChars; 76f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 77ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes // Disallow copy and assignment. 78ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes NullableScopedUtfChars(const NullableScopedUtfChars&); 79ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes void operator=(const NullableScopedUtfChars&); 80f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom}; 81f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 82c393a4f7c91534ac41a81d66b12c22e68df28fc7jeffhaostatic jint DexFile_openDexFile(JNIEnv* env, jclass, jstring javaSourceName, jstring javaOutputName, jint) { 83f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom ScopedUtfChars sourceName(env, javaSourceName); 84f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom if (sourceName.c_str() == NULL) { 85f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom return 0; 86f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom } 875b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom std::string source(sourceName.c_str()); 88f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NullableScopedUtfChars outputName(env, javaOutputName); 89c252c3eacd83a0c110dd065690a7f652be35b0e7Brian Carlstrom if (env->ExceptionCheck()) { 90f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom return 0; 91f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom } 92262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao const DexFile* dex_file; 93262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao if (outputName.c_str() == NULL) { 945b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom dex_file = Runtime::Current()->GetClassLinker()->FindDexFileInOatFileFromDexLocation(source); 95262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao } else { 965b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom std::string output(outputName.c_str()); 975b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom dex_file = Runtime::Current()->GetClassLinker()->FindOrCreateOatFileForDexLocation(source, output); 98c393a4f7c91534ac41a81d66b12c22e68df28fc7jeffhao } 99aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 1005b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom LOG(WARNING) << "Failed to open dex file: " << source; 101d601af8d9549ca95a911afb2fc67c4e562da661fBrian Carlstrom jniThrowExceptionFmt(env, "java/io/IOException", "unable to open dex file: %s", 1025b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom source.c_str()); 103c393a4f7c91534ac41a81d66b12c22e68df28fc7jeffhao return 0; 104aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 105aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return static_cast<jint>(reinterpret_cast<uintptr_t>(dex_file)); 106aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom} 107aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 108aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstromstatic const DexFile* toDexFile(JNIEnv* env, int dex_file_address) { 109aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile* dex_file = reinterpret_cast<const DexFile*>(static_cast<uintptr_t>(dex_file_address)); 110b3e66dfcd069db8818cd902d787ff1d7bbca45f2Elliott Hughes if (dex_file == NULL) { 111aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom jniThrowNullPointerException(env, "dex_file == null"); 112aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 113aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return dex_file; 114f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 115f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 116f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromvoid DexFile_closeDexFile(JNIEnv* env, jclass, jint cookie) { 117aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile* dex_file = toDexFile(env, cookie); 118aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 119aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return; 120aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 121aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (Runtime::Current()->GetClassLinker()->IsDexFileRegistered(*dex_file)) { 122aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return; 123aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 124aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom delete dex_file; 125f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 126f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 12766a556f94e5dc9ba55bec9a11bee5671faa03e23Ian Rogersjclass DexFile_defineClassNative(JNIEnv* env, jclass, jstring javaName, jobject javaLoader, 12866a556f94e5dc9ba55bec9a11bee5671faa03e23Ian Rogers jint cookie) { 129b82b6878fb000d4731063b1bf15c39ff7c50b61fBrian Carlstrom ScopedThreadStateChange tsc(Thread::Current(), Thread::kRunnable); 130aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile* dex_file = toDexFile(env, cookie); 131aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 132aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return NULL; 133aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 134df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom ScopedUtfChars class_name(env, javaName); 135df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom if (class_name.c_str() == NULL) { 136df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom return NULL; 137df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom } 138955724179c6c739524f610023287f56b24dc31deElliott Hughes const std::string descriptor(DotToDescriptor(class_name.c_str())); 139aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile::ClassDef* dex_class_def = dex_file->FindClassDef(descriptor); 140aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_class_def == NULL) { 141aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return NULL; 142aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 143aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 144aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom Object* class_loader_object = Decode<Object*>(env, javaLoader); 145aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom ClassLoader* class_loader = down_cast<ClassLoader*>(class_loader_object); 146aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 147aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom class_linker->RegisterDexFile(*dex_file); 148aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom Class* result = class_linker->DefineClass(descriptor, class_loader, *dex_file, *dex_class_def); 149aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return AddLocalReference<jclass>(env, result); 150f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 151f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 152f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian CarlstromjobjectArray DexFile_getClassNameList(JNIEnv* env, jclass, jint cookie) { 153aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile* dex_file = toDexFile(env, cookie); 154aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 155aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return NULL; 156aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 15703a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom 15803a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom std::vector<std::string> class_names; 15903a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom for (size_t i = 0; i < dex_file->NumClassDefs(); ++i) { 16003a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom const DexFile::ClassDef& class_def = dex_file->GetClassDef(i); 16103a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom const char* descriptor = dex_file->GetClassDescriptor(class_def); 16203a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom class_names.push_back(DescriptorToDot(descriptor)); 16303a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom } 16403a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom return toStringArray(env, class_names); 165f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 166f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 167f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromjboolean DexFile_isDexOptNeeded(JNIEnv* env, jclass, jstring javaFilename) { 168bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom bool debug_logging = false; 169bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom 17003a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom ScopedUtfChars filename(env, javaFilename); 17103a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom if (filename.c_str() == NULL) { 172bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded null filename"; 1731d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_TRUE; 1741d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 1751d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 1761d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom if (!OS::FileExists(filename.c_str())) { 177bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded file '" << filename.c_str() << "' does not exist"; 1781d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom jniThrowExceptionFmt(env, "java/io/FileNotFoundException", "%s", filename.c_str()); 1791d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_TRUE; 1801d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 1811d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 1821d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom // Always treat elements of the bootclasspath as up-to-date. The 1831d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom // fact that code is running at all means that this should be true. 1841d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1851d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom const std::vector<const DexFile*>& boot_class_path = class_linker->GetBootClassPath(); 1861d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom for (size_t i = 0; i < boot_class_path.size(); i++) { 1871d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom if (boot_class_path[i]->GetLocation() == filename.c_str()) { 188bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom if (debug_logging) { 189bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded ignoring boot class path file: " << filename.c_str(); 190bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 1911d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_FALSE; 1921d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 1931d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 1941d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 195a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom // If we have an oat file next to the dex file, assume up-to-date. 196a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom // A user build looks like this, and it will have no classes.dex in 197a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom // the input for checksum validation. 198a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom std::string oat_filename(OatFile::DexFilenameToOatFilename(filename.c_str())); 199a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom const OatFile* oat_file = class_linker->FindOatFileFromOatLocation(oat_filename); 200a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom if (oat_file != NULL && oat_file->GetOatDexFile(filename.c_str()) != NULL) { 201bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom if (debug_logging) { 202bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded ignoring precompiled file: " << filename.c_str(); 203bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 204a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom return JNI_FALSE; 2055b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom } 2065b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 207a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom // Check if we have an oat file in the cache 208a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom std::string cache_location(GetArtCacheFilenameOrDie(oat_filename)); 209a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom oat_file = class_linker->FindOatFileFromOatLocation(cache_location); 2105b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom if (oat_file == NULL) { 211bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 212bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom << " does not exist for " << filename.c_str(); 2135b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom return JNI_TRUE; 2145b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom } 2155b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 2165b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(filename.c_str()); 2175b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom if (oat_dex_file == NULL) { 218bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded cache file " << cache_location 219bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom << " does not contain contents for " << filename.c_str(); 220bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file->GetOatDexFiles(); 221bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom for (size_t i = 0; i < oat_dex_files.size(); i++) { 222bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; 223bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded cache file " << cache_location 224bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom << " contains contents for " << oat_dex_file->GetDexFileLocation(); 225bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 2261d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_TRUE; 2271d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 2285b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 229a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom uint32_t location_checksum; 230a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom if (!DexFile::GetChecksum(filename.c_str(), location_checksum)) { 231bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded failed to compute checksum of " << filename.c_str(); 232a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom return JNI_TRUE; 233a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom } 234a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom 2355b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom if (location_checksum != oat_dex_file->GetDexFileLocationChecksum()) { 236bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 237bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom << " has out-of-date checksum compared to " << filename.c_str(); 2385b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom return JNI_TRUE; 2395b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom } 2405b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 241bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom if (debug_logging) { 242bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 243bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom << " is up-to-date for " << filename.c_str(); 244bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 245f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom return JNI_FALSE; 246f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 247f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 248f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromstatic JNINativeMethod gMethods[] = { 249f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, closeDexFile, "(I)V"), 25066a556f94e5dc9ba55bec9a11bee5671faa03e23Ian Rogers NATIVE_METHOD(DexFile, defineClassNative, "(Ljava/lang/String;Ljava/lang/ClassLoader;I)Ljava/lang/Class;"), 251f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, getClassNameList, "(I)[Ljava/lang/String;"), 252f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, isDexOptNeeded, "(Ljava/lang/String;)Z"), 253f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, openDexFile, "(Ljava/lang/String;Ljava/lang/String;I)I"), 254f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom}; 255f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 256f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} // namespace 257f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 258f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromvoid register_dalvik_system_DexFile(JNIEnv* env) { 259f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom jniRegisterNativeMethods(env, "dalvik/system/DexFile", gMethods, NELEM(gMethods)); 260f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 261f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 262f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} // namespace art 263