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" 2162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers#include "common_throws.h" 224f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "dex_file-inl.h" 231d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/image_space.h" 241d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/space-inl.h" 2581f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom#include "image.h" 26eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "jni_internal.h" 272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 2805f3057d6a4d23d712092ccd36a531590bff323bIan Rogers#include "mirror/object-inl.h" 292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/string.h" 30700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom#include "oat.h" 311d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom#include "os.h" 32aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom#include "runtime.h" 3300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "scoped_thread_state_change.h" 34c981848a3425662034c5429b61c035e7533b896dIan Rogers#include "ScopedLocalRef.h" 35f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom#include "ScopedUtfChars.h" 36eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "toStringArray.h" 37eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "zip_archive.h" 38f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 39f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromnamespace art { 40f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 41f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// A smart pointer that provides read-only access to a Java string's UTF chars. 42f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// Unlike libcore's NullableScopedUtfChars, this will *not* throw NullPointerException if 43f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// passed a null jstring. The correct idiom is: 44f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// 45f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// NullableScopedUtfChars name(env, javaName); 46c252c3eacd83a0c110dd065690a7f652be35b0e7Brian Carlstrom// if (env->ExceptionCheck()) { 47f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// return NULL; 48f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// } 49f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// // ... use name.c_str() 50f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// 51f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// TODO: rewrite to get rid of this, or change ScopedUtfChars to offer this option. 52f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromclass NullableScopedUtfChars { 53ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes public: 54ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes NullableScopedUtfChars(JNIEnv* env, jstring s) : mEnv(env), mString(s) { 55ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes mUtfChars = (s != NULL) ? env->GetStringUTFChars(s, NULL) : NULL; 56ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 57f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 58ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes ~NullableScopedUtfChars() { 59ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes if (mUtfChars) { 60ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes mEnv->ReleaseStringUTFChars(mString, mUtfChars); 61f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom } 62ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 63f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 64ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes const char* c_str() const { 65ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes return mUtfChars; 66ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 67f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 68ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes size_t size() const { 69ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes return strlen(mUtfChars); 70ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 71f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 72ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes // Element access. 73ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes const char& operator[](size_t n) const { 74ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes return mUtfChars[n]; 75ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes } 76f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 77ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes private: 78ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes JNIEnv* mEnv; 79ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes jstring mString; 80ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes const char* mUtfChars; 81f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 82ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes // Disallow copy and assignment. 83ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes NullableScopedUtfChars(const NullableScopedUtfChars&); 84ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes void operator=(const NullableScopedUtfChars&); 85f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom}; 86f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 877571e8b761ebc2c923525e12ea9fcf07e62cb33eBrian Carlstromstatic jint DexFile_openDexFileNative(JNIEnv* env, jclass, jstring javaSourceName, jstring javaOutputName, jint) { 88f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom ScopedUtfChars sourceName(env, javaSourceName); 89f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom if (sourceName.c_str() == NULL) { 90f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom return 0; 91f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom } 92756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom std::string dex_location(sourceName.c_str()); 93f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NullableScopedUtfChars outputName(env, javaOutputName); 94c252c3eacd83a0c110dd065690a7f652be35b0e7Brian Carlstrom if (env->ExceptionCheck()) { 95f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom return 0; 96f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom } 9700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 98756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom 99756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom uint32_t dex_location_checksum; 100756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom if (!DexFile::GetChecksum(dex_location, &dex_location_checksum)) { 101756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom LOG(WARNING) << "Failed to compute checksum: " << dex_location; 102756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom ThrowLocation throw_location = soa.Self()->GetCurrentLocationForThrow(); 103756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom soa.Self()->ThrowNewExceptionF(throw_location, "Ljava/io/IOException;", 104756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom "Unable to get checksum of dex file: %s", dex_location.c_str()); 105756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom return 0; 106756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom } 107756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom 108756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom ClassLinker* linker = Runtime::Current()->GetClassLinker(); 109262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao const DexFile* dex_file; 110262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao if (outputName.c_str() == NULL) { 111756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom dex_file = linker->FindDexFileInOatFileFromDexLocation(dex_location, dex_location_checksum); 112262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao } else { 113756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom std::string oat_location(outputName.c_str()); 114756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom dex_file = linker->FindOrCreateOatFileForDexLocation(dex_location, dex_location_checksum, oat_location); 115c393a4f7c91534ac41a81d66b12c22e68df28fc7jeffhao } 116aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 117756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom LOG(WARNING) << "Failed to open dex file: " << dex_location; 11862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation throw_location = soa.Self()->GetCurrentLocationForThrow(); 11962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ThrowNewExceptionF(throw_location, "Ljava/io/IOException;", 120756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom "Unable to open dex file: %s", dex_location.c_str()); 121c393a4f7c91534ac41a81d66b12c22e68df28fc7jeffhao return 0; 122aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 123aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return static_cast<jint>(reinterpret_cast<uintptr_t>(dex_file)); 124aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom} 125aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 12662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstatic const DexFile* toDexFile(int dex_file_address) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 127aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile* dex_file = reinterpret_cast<const DexFile*>(static_cast<uintptr_t>(dex_file_address)); 128b3e66dfcd069db8818cd902d787ff1d7bbca45f2Elliott Hughes if (dex_file == NULL) { 12962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowNullPointerException(NULL, "dex_file == null"); 130aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 131aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return dex_file; 132f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 133f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 13400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void DexFile_closeDexFile(JNIEnv* env, jclass, jint cookie) { 13500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* dex_file; 13600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 13700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 13800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers dex_file = toDexFile(cookie); 13900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 140aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 141aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return; 142aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 143aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (Runtime::Current()->GetClassLinker()->IsDexFileRegistered(*dex_file)) { 144aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return; 145aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 146aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom delete dex_file; 147f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 148f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 1490512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jclass DexFile_defineClassNative(JNIEnv* env, jclass, jstring javaName, jobject javaLoader, 1500512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughes jint cookie) { 15100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 152eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes const DexFile* dex_file = toDexFile(cookie); 153aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 1547571e8b761ebc2c923525e12ea9fcf07e62cb33eBrian Carlstrom VLOG(class_linker) << "Failed to find dex_file"; 155aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return NULL; 156aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 157df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom ScopedUtfChars class_name(env, javaName); 158df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom if (class_name.c_str() == NULL) { 1592e450bf45e1bacc9c356f6ab239ccfb31bd8d7e4Brian Carlstrom VLOG(class_linker) << "Failed to find class_name"; 160df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom return NULL; 161df143242f4beaad4cc9fbabebfc033b68c40964eBrian Carlstrom } 162955724179c6c739524f610023287f56b24dc31deElliott Hughes const std::string descriptor(DotToDescriptor(class_name.c_str())); 163ee39a10e45a6a0880e8b829525c40d6055818560Ian Rogers const DexFile::ClassDef* dex_class_def = dex_file->FindClassDef(descriptor.c_str()); 164aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_class_def == NULL) { 1652e450bf45e1bacc9c356f6ab239ccfb31bd8d7e4Brian Carlstrom VLOG(class_linker) << "Failed to find dex_class_def"; 166aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return NULL; 167aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 168aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 169aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom class_linker->RegisterDexFile(*dex_file); 1702dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(javaLoader); 1717dfb28c066159e6cde8181720f0c451a700ef966Ian Rogers mirror::Class* result = class_linker->DefineClass(descriptor.c_str(), class_loader, *dex_file, 1727dfb28c066159e6cde8181720f0c451a700ef966Ian Rogers *dex_class_def); 1732e450bf45e1bacc9c356f6ab239ccfb31bd8d7e4Brian Carlstrom VLOG(class_linker) << "DexFile_defineClassNative returning " << result; 17400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return soa.AddLocalReference<jclass>(result); 175f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 176f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 1770512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jobjectArray DexFile_getClassNameList(JNIEnv* env, jclass, jint cookie) { 17800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* dex_file; 17900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 18000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 18100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers dex_file = toDexFile(cookie); 18200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 183aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom if (dex_file == NULL) { 184aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return NULL; 185aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 18603a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom 18703a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom std::vector<std::string> class_names; 18803a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom for (size_t i = 0; i < dex_file->NumClassDefs(); ++i) { 18903a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom const DexFile::ClassDef& class_def = dex_file->GetClassDef(i); 19003a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom const char* descriptor = dex_file->GetClassDescriptor(class_def); 19103a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom class_names.push_back(DescriptorToDot(descriptor)); 19203a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom } 19303a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom return toStringArray(env, class_names); 194f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 195f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 1960512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jboolean DexFile_isDexOptNeeded(JNIEnv* env, jclass, jstring javaFilename) { 197bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom bool debug_logging = false; 198bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom 19903a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom ScopedUtfChars filename(env, javaFilename); 20003a20ba67cfdc46f5ad8d77242a666a4cb0512f2Brian Carlstrom if (filename.c_str() == NULL) { 201bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded null filename"; 2021d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_TRUE; 2031d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 2041d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 2051d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom if (!OS::FileExists(filename.c_str())) { 206bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded file '" << filename.c_str() << "' does not exist"; 20700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 20862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation throw_location = soa.Self()->GetCurrentLocationForThrow(); 20962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ThrowNewExceptionF(throw_location, "Ljava/io/FileNotFoundException;", 21062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers "%s", filename.c_str()); 2111d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_TRUE; 2121d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 2131d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 2141d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom // Always treat elements of the bootclasspath as up-to-date. The 2151d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom // fact that code is running at all means that this should be true. 21681f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom Runtime* runtime = Runtime::Current(); 21781f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom ClassLinker* class_linker = runtime->GetClassLinker(); 2181d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom const std::vector<const DexFile*>& boot_class_path = class_linker->GetBootClassPath(); 2191d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom for (size_t i = 0; i < boot_class_path.size(); i++) { 2201d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom if (boot_class_path[i]->GetLocation() == filename.c_str()) { 221bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom if (debug_logging) { 222bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded ignoring boot class path file: " << filename.c_str(); 223bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 2241d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom return JNI_FALSE; 2251d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 2261d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom } 2271d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 22830e2ea4a701d53f28431041af68dc0669e60c569Brian Carlstrom // Check if we have an odex file next to the dex file. 22930e2ea4a701d53f28431041af68dc0669e60c569Brian Carlstrom std::string odex_filename(OatFile::DexFilenameToOdexFilename(filename.c_str())); 230f1d3455064792ac1c486a4a9c24279a37b4af473Brian Carlstrom UniquePtr<const OatFile> oat_file(OatFile::Open(odex_filename, odex_filename, NULL, false)); 23133e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers if (oat_file.get() != NULL) { 23200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 233756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom const art::OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(filename.c_str(), NULL); 23433e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers if (oat_dex_file == NULL) { 235afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom if (debug_logging) { 23633e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers LOG(INFO) << "DexFile_isDexOptNeeded GetOatDexFile failed"; 23733e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers } 23833e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers } else { 23933e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers uint32_t location_checksum; 24033e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers // If we have no classes.dex checksum such as in a user build, assume up-to-date. 2417c3d13aebdd8611cae58a1048bffb13cbdc465cbBrian Carlstrom if (!DexFile::GetChecksum(filename.c_str(), &location_checksum)) { 24233e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers if (debug_logging) { 24333e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers LOG(INFO) << "DexFile_isDexOptNeeded ignoring precompiled stripped file: " 24433e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers << filename.c_str(); 24533e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers } 24633e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers return JNI_FALSE; 24733e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers } 24833e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers if (ClassLinker::VerifyOatFileChecksums(oat_file.get(), filename.c_str(), location_checksum)) { 24933e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers if (debug_logging) { 25030e2ea4a701d53f28431041af68dc0669e60c569Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded precompiled file " << odex_filename 25133e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers << " is up-to-date checksum compared to " << filename.c_str(); 25233e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers } 25333e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers return JNI_FALSE; 254afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom } 255bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 2565b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom } 2575b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 258a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom // Check if we have an oat file in the cache 25930e2ea4a701d53f28431041af68dc0669e60c569Brian Carlstrom std::string cache_location(GetDalvikCacheFilenameOrDie(filename.c_str())); 260f1d3455064792ac1c486a4a9c24279a37b4af473Brian Carlstrom oat_file.reset(OatFile::Open(cache_location, filename.c_str(), NULL, false)); 26158cbbc25c91b96f4766c66cefa0a0cf6ba7b1d45Brian Carlstrom if (oat_file.get() == NULL) { 262bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 263bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom << " does not exist for " << filename.c_str(); 2645b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom return JNI_TRUE; 2655b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom } 2665b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 26702e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const auto& space : runtime->GetHeap()->GetContinuousSpaces()) { 26802e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier if (space->IsImageSpace()) { 269b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier // TODO: Ensure this works with multiple image spaces. 27002e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const ImageHeader& image_header = space->AsImageSpace()->GetImageHeader(); 27128db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom if (oat_file->GetOatHeader().GetImageFileLocationOatChecksum() != image_header.GetOatChecksum()) { 27200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 273b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 27428db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom << " has out-of-date oat checksum compared to " 27528db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom << image_header.GetImageRoot(ImageHeader::kOatLocation)->AsString()->ToModifiedUtf8(); 27628db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom return JNI_TRUE; 27728db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom } 278700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (oat_file->GetOatHeader().GetImageFileLocationOatDataBegin() 279700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom != reinterpret_cast<uint32_t>(image_header.GetOatDataBegin())) { 28028db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom ScopedObjectAccess soa(env); 28128db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 28228db0129e5d7ef642cf8845c86c0e11832817085Brian Carlstrom << " has out-of-date oat begin compared to " 283b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier << image_header.GetImageRoot(ImageHeader::kOatLocation)->AsString()->ToModifiedUtf8(); 284b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier return JNI_TRUE; 285b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 286b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 28781f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom } 28881f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom 28933e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers ScopedObjectAccess soa(env); 290a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom uint32_t location_checksum; 2917c3d13aebdd8611cae58a1048bffb13cbdc465cbBrian Carlstrom if (!DexFile::GetChecksum(filename.c_str(), &location_checksum)) { 292bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(ERROR) << "DexFile_isDexOptNeeded failed to compute checksum of " << filename.c_str(); 293a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom return JNI_TRUE; 294a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom } 295a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom 296afe25515c358617321d69ab4f25003e3d905d613Brian Carlstrom if (!ClassLinker::VerifyOatFileChecksums(oat_file.get(), filename.c_str(), location_checksum)) { 297bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 29800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers << " has out-of-date checksum compared to " << filename.c_str(); 2995b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom return JNI_TRUE; 3005b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom } 3015b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 302bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom if (debug_logging) { 303bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom LOG(INFO) << "DexFile_isDexOptNeeded cache file " << cache_location 304bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom << " is up-to-date for " << filename.c_str(); 305bf2cb16f442fc48acd296d3d321590fb58173f36Brian Carlstrom } 306f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom return JNI_FALSE; 307f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 308f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 309f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromstatic JNINativeMethod gMethods[] = { 310f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, closeDexFile, "(I)V"), 31166a556f94e5dc9ba55bec9a11bee5671faa03e23Ian Rogers NATIVE_METHOD(DexFile, defineClassNative, "(Ljava/lang/String;Ljava/lang/ClassLoader;I)Ljava/lang/Class;"), 312f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, getClassNameList, "(I)[Ljava/lang/String;"), 313f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom NATIVE_METHOD(DexFile, isDexOptNeeded, "(Ljava/lang/String;)Z"), 3147571e8b761ebc2c923525e12ea9fcf07e62cb33eBrian Carlstrom NATIVE_METHOD(DexFile, openDexFileNative, "(Ljava/lang/String;Ljava/lang/String;I)I"), 315f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom}; 316f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 317f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromvoid register_dalvik_system_DexFile(JNIEnv* env) { 318eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes REGISTER_NATIVE_METHODS("dalvik/system/DexFile"); 319f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} 320f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 321f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom} // namespace art 322