Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 17 | #include "dalvik_system_VMRuntime.h" |
| 18 | |
Bilyan Borisov | bb661c0 | 2016-04-04 16:27:32 +0100 | [diff] [blame] | 19 | #ifdef ART_TARGET_ANDROID |
Hiroshi Yamauchi | d7f0339 | 2017-03-29 14:47:49 -0700 | [diff] [blame] | 20 | #include <sys/time.h> |
| 21 | #include <sys/resource.h> |
Dmitriy Ivanov | 15efde2 | 2015-05-22 18:03:34 -0700 | [diff] [blame] | 22 | extern "C" void android_set_application_target_sdk_version(uint32_t version); |
| 23 | #endif |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 24 | #include <limits.h> |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 25 | #include "nativehelper/ScopedUtfChars.h" |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 26 | |
Ian Rogers | d582fa4 | 2014-11-05 23:46:43 -0800 | [diff] [blame] | 27 | #pragma GCC diagnostic push |
| 28 | #pragma GCC diagnostic ignored "-Wshadow" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 29 | #include "nativehelper/toStringArray.h" |
Ian Rogers | d582fa4 | 2014-11-05 23:46:43 -0800 | [diff] [blame] | 30 | #pragma GCC diagnostic pop |
| 31 | |
Andreas Gampe | 46ee31b | 2016-12-14 10:11:49 -0800 | [diff] [blame] | 32 | #include "android-base/stringprintf.h" |
| 33 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 34 | #include "art_method-inl.h" |
Ian Rogers | d582fa4 | 2014-11-05 23:46:43 -0800 | [diff] [blame] | 35 | #include "arch/instruction_set.h" |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 36 | #include "base/enums.h" |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 37 | #include "class_linker-inl.h" |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 38 | #include "common_throws.h" |
Elliott Hughes | f6a1e1e | 2011-10-25 16:28:04 -0700 | [diff] [blame] | 39 | #include "debugger.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 40 | #include "dex_file-inl.h" |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 41 | #include "dex_file_types.h" |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 42 | #include "gc/accounting/card_table-inl.h" |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 43 | #include "gc/allocator/dlmalloc.h" |
Mathieu Chartier | 8235331 | 2013-07-18 10:47:51 -0700 | [diff] [blame] | 44 | #include "gc/heap.h" |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 45 | #include "gc/space/dlmalloc_space.h" |
Brian Carlstrom | 31d8f52 | 2014-09-29 11:22:54 -0700 | [diff] [blame] | 46 | #include "gc/space/image_space.h" |
Mathieu Chartier | a5eae69 | 2014-12-17 17:56:03 -0800 | [diff] [blame] | 47 | #include "gc/task_processor.h" |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 48 | #include "intern_table.h" |
Andreas Gampe | c15a2f4 | 2017-04-21 12:09:39 -0700 | [diff] [blame] | 49 | #include "java_vm_ext.h" |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 50 | #include "jni_internal.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 51 | #include "mirror/class-inl.h" |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 52 | #include "mirror/dex_cache-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 53 | #include "mirror/object-inl.h" |
Andreas Gampe | 87583b3 | 2017-05-25 11:22:18 -0700 | [diff] [blame] | 54 | #include "native_util.h" |
Steven Moreland | e431e27 | 2017-07-18 16:53:49 -0700 | [diff] [blame] | 55 | #include "nativehelper/jni_macros.h" |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 56 | #include "runtime.h" |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 57 | #include "scoped_fast_native_object_access-inl.h" |
| 58 | #include "scoped_thread_state_change-inl.h" |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 59 | #include "thread.h" |
Elliott Hughes | 88c5c35 | 2012-03-15 18:49:48 -0700 | [diff] [blame] | 60 | #include "thread_list.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 61 | |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 62 | namespace art { |
| 63 | |
Andreas Gampe | 46ee31b | 2016-12-14 10:11:49 -0800 | [diff] [blame] | 64 | using android::base::StringPrintf; |
| 65 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 66 | static jfloat VMRuntime_getTargetHeapUtilization(JNIEnv*, jobject) { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 67 | return Runtime::Current()->GetHeap()->GetTargetHeapUtilization(); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 68 | } |
| 69 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 70 | static void VMRuntime_nativeSetTargetHeapUtilization(JNIEnv*, jobject, jfloat target) { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 71 | Runtime::Current()->GetHeap()->SetTargetHeapUtilization(target); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 72 | } |
| 73 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 74 | static void VMRuntime_startJitCompilation(JNIEnv*, jobject) { |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 75 | } |
| 76 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 77 | static void VMRuntime_disableJitCompilation(JNIEnv*, jobject) { |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 78 | } |
| 79 | |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 80 | static jobject VMRuntime_newNonMovableArray(JNIEnv* env, jobject, jclass javaElementClass, |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 81 | jint length) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 82 | ScopedFastNativeObjectAccess soa(env); |
Ian Rogers | f9c612f | 2014-02-27 10:58:17 -0800 | [diff] [blame] | 83 | if (UNLIKELY(length < 0)) { |
| 84 | ThrowNegativeArraySizeException(length); |
| 85 | return nullptr; |
| 86 | } |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 87 | ObjPtr<mirror::Class> element_class = soa.Decode<mirror::Class>(javaElementClass); |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 88 | if (UNLIKELY(element_class == nullptr)) { |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 89 | ThrowNullPointerException("element class == null"); |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 90 | return nullptr; |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 91 | } |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 92 | Runtime* runtime = Runtime::Current(); |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 93 | ObjPtr<mirror::Class> array_class = |
Mathieu Chartier | b74cd29 | 2014-05-29 14:31:33 -0700 | [diff] [blame] | 94 | runtime->GetClassLinker()->FindArrayClass(soa.Self(), &element_class); |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 95 | if (UNLIKELY(array_class == nullptr)) { |
| 96 | return nullptr; |
| 97 | } |
| 98 | gc::AllocatorType allocator = runtime->GetHeap()->GetCurrentNonMovingAllocator(); |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 99 | ObjPtr<mirror::Array> result = mirror::Array::Alloc<true>(soa.Self(), |
| 100 | array_class, |
| 101 | length, |
| 102 | array_class->GetComponentSizeShift(), |
| 103 | allocator); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 104 | return soa.AddLocalReference<jobject>(result); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 105 | } |
| 106 | |
Ian Rogers | f9c612f | 2014-02-27 10:58:17 -0800 | [diff] [blame] | 107 | static jobject VMRuntime_newUnpaddedArray(JNIEnv* env, jobject, jclass javaElementClass, |
| 108 | jint length) { |
| 109 | ScopedFastNativeObjectAccess soa(env); |
| 110 | if (UNLIKELY(length < 0)) { |
| 111 | ThrowNegativeArraySizeException(length); |
| 112 | return nullptr; |
| 113 | } |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 114 | ObjPtr<mirror::Class> element_class = soa.Decode<mirror::Class>(javaElementClass); |
Ian Rogers | f9c612f | 2014-02-27 10:58:17 -0800 | [diff] [blame] | 115 | if (UNLIKELY(element_class == nullptr)) { |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 116 | ThrowNullPointerException("element class == null"); |
Ian Rogers | f9c612f | 2014-02-27 10:58:17 -0800 | [diff] [blame] | 117 | return nullptr; |
| 118 | } |
Ian Rogers | f9c612f | 2014-02-27 10:58:17 -0800 | [diff] [blame] | 119 | Runtime* runtime = Runtime::Current(); |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 120 | ObjPtr<mirror::Class> array_class = runtime->GetClassLinker()->FindArrayClass(soa.Self(), |
| 121 | &element_class); |
Ian Rogers | f9c612f | 2014-02-27 10:58:17 -0800 | [diff] [blame] | 122 | if (UNLIKELY(array_class == nullptr)) { |
| 123 | return nullptr; |
| 124 | } |
| 125 | gc::AllocatorType allocator = runtime->GetHeap()->GetCurrentAllocator(); |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 126 | ObjPtr<mirror::Array> result = mirror::Array::Alloc<true, true>( |
| 127 | soa.Self(), |
| 128 | array_class, |
| 129 | length, |
| 130 | array_class->GetComponentSizeShift(), |
| 131 | allocator); |
Ian Rogers | f9c612f | 2014-02-27 10:58:17 -0800 | [diff] [blame] | 132 | return soa.AddLocalReference<jobject>(result); |
| 133 | } |
| 134 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 135 | static jlong VMRuntime_addressOf(JNIEnv* env, jobject, jobject javaArray) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 136 | if (javaArray == nullptr) { // Most likely allocation failed |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 137 | return 0; |
| 138 | } |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 139 | ScopedFastNativeObjectAccess soa(env); |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 140 | ObjPtr<mirror::Array> array = soa.Decode<mirror::Array>(javaArray); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 141 | if (!array->IsArrayInstance()) { |
Nicolas Geoffray | 0aa50ce | 2015-03-10 11:03:29 +0000 | [diff] [blame] | 142 | ThrowIllegalArgumentException("not an array"); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 143 | return 0; |
| 144 | } |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 145 | if (Runtime::Current()->GetHeap()->IsMovableObject(array)) { |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 146 | ThrowRuntimeException("Trying to get address of movable array object"); |
| 147 | return 0; |
| 148 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 149 | return reinterpret_cast<uintptr_t>(array->GetRawData(array->GetClass()->GetComponentSize(), 0)); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 150 | } |
| 151 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 152 | static void VMRuntime_clearGrowthLimit(JNIEnv*, jobject) { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 153 | Runtime::Current()->GetHeap()->ClearGrowthLimit(); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 154 | } |
| 155 | |
Mathieu Chartier | 379d09f | 2015-01-08 11:28:13 -0800 | [diff] [blame] | 156 | static void VMRuntime_clampGrowthLimit(JNIEnv*, jobject) { |
| 157 | Runtime::Current()->GetHeap()->ClampGrowthLimit(); |
| 158 | } |
| 159 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 160 | static jboolean VMRuntime_isDebuggerActive(JNIEnv*, jobject) { |
Elliott Hughes | c0f0933 | 2012-03-26 13:27:06 -0700 | [diff] [blame] | 161 | return Dbg::IsDebuggerActive(); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 162 | } |
| 163 | |
Oleksiy Vyalov | 278a80b | 2016-03-30 20:27:00 -0700 | [diff] [blame] | 164 | static jboolean VMRuntime_isNativeDebuggable(JNIEnv*, jobject) { |
| 165 | return Runtime::Current()->IsNativeDebuggable(); |
| 166 | } |
| 167 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 168 | static jobjectArray VMRuntime_properties(JNIEnv* env, jobject) { |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 169 | return toStringArray(env, Runtime::Current()->GetProperties()); |
| 170 | } |
| 171 | |
Brian Carlstrom | 7d5ffb5 | 2012-02-01 14:27:54 -0800 | [diff] [blame] | 172 | // This is for backward compatibility with dalvik which returned the |
| 173 | // meaningless "." when no boot classpath or classpath was |
| 174 | // specified. Unfortunately, some tests were using java.class.path to |
| 175 | // lookup relative file locations, so they are counting on this to be |
| 176 | // ".", presumably some applications or libraries could have as well. |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 177 | static const char* DefaultToDot(const std::string& class_path) { |
Brian Carlstrom | 7d5ffb5 | 2012-02-01 14:27:54 -0800 | [diff] [blame] | 178 | return class_path.empty() ? "." : class_path.c_str(); |
| 179 | } |
| 180 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 181 | static jstring VMRuntime_bootClassPath(JNIEnv* env, jobject) { |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 182 | return env->NewStringUTF(DefaultToDot(Runtime::Current()->GetBootClassPathString())); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 183 | } |
| 184 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 185 | static jstring VMRuntime_classPath(JNIEnv* env, jobject) { |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 186 | return env->NewStringUTF(DefaultToDot(Runtime::Current()->GetClassPathString())); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 187 | } |
| 188 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 189 | static jstring VMRuntime_vmVersion(JNIEnv* env, jobject) { |
Brian Carlstrom | 491ca9e | 2014-03-02 18:24:38 -0800 | [diff] [blame] | 190 | return env->NewStringUTF(Runtime::GetVersion()); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 191 | } |
| 192 | |
Brian Carlstrom | cef450c | 2013-06-28 14:38:26 -0700 | [diff] [blame] | 193 | static jstring VMRuntime_vmLibrary(JNIEnv* env, jobject) { |
| 194 | return env->NewStringUTF(kIsDebugBuild ? "libartd.so" : "libart.so"); |
| 195 | } |
| 196 | |
Sebastien Hertz | a705376 | 2014-05-16 16:56:45 +0200 | [diff] [blame] | 197 | static jstring VMRuntime_vmInstructionSet(JNIEnv* env, jobject) { |
| 198 | InstructionSet isa = Runtime::Current()->GetInstructionSet(); |
| 199 | const char* isa_string = GetInstructionSetString(isa); |
| 200 | return env->NewStringUTF(isa_string); |
| 201 | } |
| 202 | |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 203 | static jboolean VMRuntime_is64Bit(JNIEnv*, jobject) { |
Sebastien Hertz | a705376 | 2014-05-16 16:56:45 +0200 | [diff] [blame] | 204 | bool is64BitMode = (sizeof(void*) == sizeof(uint64_t)); |
| 205 | return is64BitMode ? JNI_TRUE : JNI_FALSE; |
| 206 | } |
| 207 | |
| 208 | static jboolean VMRuntime_isCheckJniEnabled(JNIEnv* env, jobject) { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 209 | return down_cast<JNIEnvExt*>(env)->vm->IsCheckJniEnabled() ? JNI_TRUE : JNI_FALSE; |
Sebastien Hertz | a705376 | 2014-05-16 16:56:45 +0200 | [diff] [blame] | 210 | } |
| 211 | |
Jeff Hao | f00571c | 2014-05-29 17:29:47 -0700 | [diff] [blame] | 212 | static void VMRuntime_setTargetSdkVersionNative(JNIEnv*, jobject, jint target_sdk_version) { |
Ian Rogers | 987560f | 2014-04-22 11:42:59 -0700 | [diff] [blame] | 213 | // This is the target SDK version of the app we're about to run. It is intended that this a place |
| 214 | // where workarounds can be enabled. |
Elliott Hughes | c2dc62d | 2012-01-17 20:06:12 -0800 | [diff] [blame] | 215 | // Note that targetSdkVersion may be CUR_DEVELOPMENT (10000). |
| 216 | // Note that targetSdkVersion may be 0, meaning "current". |
Jeff Hao | f00571c | 2014-05-29 17:29:47 -0700 | [diff] [blame] | 217 | Runtime::Current()->SetTargetSdkVersion(target_sdk_version); |
Dmitriy Ivanov | 15efde2 | 2015-05-22 18:03:34 -0700 | [diff] [blame] | 218 | |
Bilyan Borisov | bb661c0 | 2016-04-04 16:27:32 +0100 | [diff] [blame] | 219 | #ifdef ART_TARGET_ANDROID |
Dmitriy Ivanov | 15efde2 | 2015-05-22 18:03:34 -0700 | [diff] [blame] | 220 | // This part is letting libc/dynamic linker know about current app's |
| 221 | // target sdk version to enable compatibility workarounds. |
| 222 | android_set_application_target_sdk_version(static_cast<uint32_t>(target_sdk_version)); |
| 223 | #endif |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 224 | } |
| 225 | |
Mathieu Chartier | 987ccff | 2013-07-08 11:05:21 -0700 | [diff] [blame] | 226 | static void VMRuntime_registerNativeAllocation(JNIEnv* env, jobject, jint bytes) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 227 | if (UNLIKELY(bytes < 0)) { |
| 228 | ScopedObjectAccess soa(env); |
Mathieu Chartier | 987ccff | 2013-07-08 11:05:21 -0700 | [diff] [blame] | 229 | ThrowRuntimeException("allocation size negative %d", bytes); |
| 230 | return; |
| 231 | } |
Mathieu Chartier | 8ec31f9 | 2014-09-03 10:30:11 -0700 | [diff] [blame] | 232 | Runtime::Current()->GetHeap()->RegisterNativeAllocation(env, static_cast<size_t>(bytes)); |
Mathieu Chartier | 987ccff | 2013-07-08 11:05:21 -0700 | [diff] [blame] | 233 | } |
| 234 | |
Calin Juravle | 97cbc92 | 2016-04-15 16:16:35 +0100 | [diff] [blame] | 235 | static void VMRuntime_registerSensitiveThread(JNIEnv*, jobject) { |
| 236 | Runtime::Current()->RegisterSensitiveThread(); |
| 237 | } |
| 238 | |
Mathieu Chartier | 987ccff | 2013-07-08 11:05:21 -0700 | [diff] [blame] | 239 | static void VMRuntime_registerNativeFree(JNIEnv* env, jobject, jint bytes) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 240 | if (UNLIKELY(bytes < 0)) { |
| 241 | ScopedObjectAccess soa(env); |
Mathieu Chartier | 987ccff | 2013-07-08 11:05:21 -0700 | [diff] [blame] | 242 | ThrowRuntimeException("allocation size negative %d", bytes); |
| 243 | return; |
| 244 | } |
Mathieu Chartier | 8ec31f9 | 2014-09-03 10:30:11 -0700 | [diff] [blame] | 245 | Runtime::Current()->GetHeap()->RegisterNativeFree(env, static_cast<size_t>(bytes)); |
Mathieu Chartier | 987ccff | 2013-07-08 11:05:21 -0700 | [diff] [blame] | 246 | } |
| 247 | |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 248 | static void VMRuntime_updateProcessState(JNIEnv*, jobject, jint process_state) { |
| 249 | Runtime* runtime = Runtime::Current(); |
Mathieu Chartier | f8cb178 | 2016-03-18 18:45:41 -0700 | [diff] [blame] | 250 | runtime->UpdateProcessState(static_cast<ProcessState>(process_state)); |
Mathieu Chartier | ca2a24d | 2013-11-25 15:12:12 -0800 | [diff] [blame] | 251 | } |
| 252 | |
Mathieu Chartier | a5eae69 | 2014-12-17 17:56:03 -0800 | [diff] [blame] | 253 | static void VMRuntime_trimHeap(JNIEnv* env, jobject) { |
| 254 | Runtime::Current()->GetHeap()->Trim(ThreadForEnv(env)); |
Elliott Hughes | 8cf5bc0 | 2012-02-02 16:32:16 -0800 | [diff] [blame] | 255 | } |
| 256 | |
Ian Rogers | 81d425b | 2012-09-27 16:03:43 -0700 | [diff] [blame] | 257 | static void VMRuntime_concurrentGC(JNIEnv* env, jobject) { |
Mathieu Chartier | 35b59a2 | 2017-04-17 15:24:43 -0700 | [diff] [blame] | 258 | Runtime::Current()->GetHeap()->ConcurrentGC(ThreadForEnv(env), gc::kGcCauseBackground, true); |
Mathieu Chartier | 7664f5c | 2012-06-08 18:15:32 -0700 | [diff] [blame] | 259 | } |
| 260 | |
Mathieu Chartier | a5eae69 | 2014-12-17 17:56:03 -0800 | [diff] [blame] | 261 | static void VMRuntime_requestHeapTrim(JNIEnv* env, jobject) { |
| 262 | Runtime::Current()->GetHeap()->RequestTrim(ThreadForEnv(env)); |
Mathieu Chartier | 079101a | 2014-12-15 14:23:10 -0800 | [diff] [blame] | 263 | } |
Mathieu Chartier | a5eae69 | 2014-12-17 17:56:03 -0800 | [diff] [blame] | 264 | |
| 265 | static void VMRuntime_requestConcurrentGC(JNIEnv* env, jobject) { |
Mathieu Chartier | 35b59a2 | 2017-04-17 15:24:43 -0700 | [diff] [blame] | 266 | Runtime::Current()->GetHeap()->RequestConcurrentGC(ThreadForEnv(env), |
| 267 | gc::kGcCauseBackground, |
| 268 | true); |
Mathieu Chartier | a5eae69 | 2014-12-17 17:56:03 -0800 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | static void VMRuntime_startHeapTaskProcessor(JNIEnv* env, jobject) { |
| 272 | Runtime::Current()->GetHeap()->GetTaskProcessor()->Start(ThreadForEnv(env)); |
| 273 | } |
| 274 | |
| 275 | static void VMRuntime_stopHeapTaskProcessor(JNIEnv* env, jobject) { |
| 276 | Runtime::Current()->GetHeap()->GetTaskProcessor()->Stop(ThreadForEnv(env)); |
| 277 | } |
| 278 | |
| 279 | static void VMRuntime_runHeapTasks(JNIEnv* env, jobject) { |
| 280 | Runtime::Current()->GetHeap()->GetTaskProcessor()->RunAllTasks(ThreadForEnv(env)); |
Mathieu Chartier | 079101a | 2014-12-15 14:23:10 -0800 | [diff] [blame] | 281 | } |
| 282 | |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 283 | typedef std::map<std::string, ObjPtr<mirror::String>> StringTable; |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 284 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 285 | class PreloadDexCachesStringsVisitor : public SingleRootVisitor { |
| 286 | public: |
Mathieu Chartier | d3ed9a3 | 2015-04-10 14:23:35 -0700 | [diff] [blame] | 287 | explicit PreloadDexCachesStringsVisitor(StringTable* table) : table_(table) { } |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 288 | |
| 289 | void VisitRoot(mirror::Object* root, const RootInfo& info ATTRIBUTE_UNUSED) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 290 | OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 291 | ObjPtr<mirror::String> string = root->AsString(); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 292 | table_->operator[](string->ToModifiedUtf8()) = string; |
| 293 | } |
| 294 | |
| 295 | private: |
| 296 | StringTable* const table_; |
| 297 | }; |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 298 | |
| 299 | // Based on ClassLinker::ResolveString. |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 300 | static void PreloadDexCachesResolveString( |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 301 | ObjPtr<mirror::DexCache> dex_cache, dex::StringIndex string_idx, StringTable& strings) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 302 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 303 | uint32_t slot_idx = dex_cache->StringSlotIndex(string_idx); |
| 304 | auto pair = dex_cache->GetStrings()[slot_idx].load(std::memory_order_relaxed); |
| 305 | if (!pair.object.IsNull()) { |
| 306 | return; // The entry already contains some String. |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 307 | } |
| 308 | const DexFile* dex_file = dex_cache->GetDexFile(); |
Ian Rogers | cf5077a | 2013-10-31 12:37:54 -0700 | [diff] [blame] | 309 | const char* utf8 = dex_file->StringDataByIdx(string_idx); |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 310 | ObjPtr<mirror::String> string = strings[utf8]; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 311 | if (string == nullptr) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 312 | return; |
| 313 | } |
| 314 | // LOG(INFO) << "VMRuntime.preloadDexCaches resolved string=" << utf8; |
| 315 | dex_cache->SetResolvedString(string_idx, string); |
| 316 | } |
| 317 | |
| 318 | // Based on ClassLinker::ResolveType. |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 319 | static void PreloadDexCachesResolveType(Thread* self, |
| 320 | ObjPtr<mirror::DexCache> dex_cache, |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 321 | dex::TypeIndex type_idx) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 322 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 323 | uint32_t slot_idx = dex_cache->TypeSlotIndex(type_idx); |
| 324 | auto pair = dex_cache->GetResolvedTypes()[slot_idx].load(std::memory_order_relaxed); |
| 325 | if (!pair.object.IsNull()) { |
| 326 | return; // The entry already contains some Class. |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 327 | } |
| 328 | const DexFile* dex_file = dex_cache->GetDexFile(); |
| 329 | const char* class_name = dex_file->StringByTypeIdx(type_idx); |
| 330 | ClassLinker* linker = Runtime::Current()->GetClassLinker(); |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 331 | ObjPtr<mirror::Class> klass = (class_name[1] == '\0') |
| 332 | ? linker->FindPrimitiveClass(class_name[0]) |
| 333 | : linker->LookupClass(self, class_name, nullptr); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 334 | if (klass == nullptr) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 335 | return; |
| 336 | } |
| 337 | // LOG(INFO) << "VMRuntime.preloadDexCaches resolved klass=" << class_name; |
| 338 | dex_cache->SetResolvedType(type_idx, klass); |
| 339 | // Skip uninitialized classes because filled static storage entry implies it is initialized. |
| 340 | if (!klass->IsInitialized()) { |
| 341 | // LOG(INFO) << "VMRuntime.preloadDexCaches uninitialized klass=" << class_name; |
| 342 | return; |
| 343 | } |
| 344 | // LOG(INFO) << "VMRuntime.preloadDexCaches static storage klass=" << class_name; |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | // Based on ClassLinker::ResolveField. |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 348 | static void PreloadDexCachesResolveField(ObjPtr<mirror::DexCache> dex_cache, |
| 349 | uint32_t field_idx, |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 350 | bool is_static) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 351 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 352 | uint32_t slot_idx = dex_cache->FieldSlotIndex(field_idx); |
| 353 | auto pair = mirror::DexCache::GetNativePairPtrSize(dex_cache->GetResolvedFields(), |
| 354 | slot_idx, |
| 355 | kRuntimePointerSize); |
| 356 | if (pair.object != nullptr) { |
| 357 | return; // The entry already contains some ArtField. |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 358 | } |
| 359 | const DexFile* dex_file = dex_cache->GetDexFile(); |
| 360 | const DexFile::FieldId& field_id = dex_file->GetFieldId(field_idx); |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 361 | ObjPtr<mirror::Class> klass = |
| 362 | ClassLinker::LookupResolvedType(field_id.class_idx_, dex_cache, nullptr); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 363 | if (klass == nullptr) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 364 | return; |
| 365 | } |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 366 | ArtField* field = is_static |
| 367 | ? mirror::Class::FindStaticField(Thread::Current(), klass, dex_cache, field_idx) |
| 368 | : klass->FindInstanceField(dex_cache, field_idx); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 369 | if (field == nullptr) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 370 | return; |
| 371 | } |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 372 | dex_cache->SetResolvedField(field_idx, field, kRuntimePointerSize); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | // Based on ClassLinker::ResolveMethod. |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 376 | static void PreloadDexCachesResolveMethod(ObjPtr<mirror::DexCache> dex_cache, uint32_t method_idx) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 377 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 378 | uint32_t slot_idx = dex_cache->MethodSlotIndex(method_idx); |
| 379 | auto pair = mirror::DexCache::GetNativePairPtrSize(dex_cache->GetResolvedMethods(), |
| 380 | slot_idx, |
| 381 | kRuntimePointerSize); |
| 382 | if (pair.object != nullptr) { |
| 383 | return; // The entry already contains some ArtMethod. |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 384 | } |
| 385 | const DexFile* dex_file = dex_cache->GetDexFile(); |
| 386 | const DexFile::MethodId& method_id = dex_file->GetMethodId(method_idx); |
Vladimir Marko | ba11882 | 2017-06-12 15:41:56 +0100 | [diff] [blame] | 387 | ObjPtr<mirror::Class> klass = |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 388 | ClassLinker::LookupResolvedType(method_id.class_idx_, dex_cache, nullptr); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 389 | if (klass == nullptr) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 390 | return; |
| 391 | } |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 392 | ArtMethod* method = klass->IsInterface() |
| 393 | ? klass->FindInterfaceMethod(dex_cache, method_idx, kRuntimePointerSize) |
| 394 | : klass->FindClassMethod(dex_cache, method_idx, kRuntimePointerSize); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 395 | if (method == nullptr) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 396 | return; |
| 397 | } |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 398 | dex_cache->SetResolvedMethod(method_idx, method, kRuntimePointerSize); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | struct DexCacheStats { |
| 402 | uint32_t num_strings; |
| 403 | uint32_t num_types; |
| 404 | uint32_t num_fields; |
| 405 | uint32_t num_methods; |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 406 | DexCacheStats() : num_strings(0), |
| 407 | num_types(0), |
| 408 | num_fields(0), |
Ian Rogers | 5ddb410 | 2014-01-07 08:58:46 -0800 | [diff] [blame] | 409 | num_methods(0) {} |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 410 | }; |
| 411 | |
| 412 | static const bool kPreloadDexCachesEnabled = true; |
| 413 | |
| 414 | // Disabled because it takes a long time (extra half second) but |
| 415 | // gives almost no benefit in terms of saving private dirty pages. |
| 416 | static const bool kPreloadDexCachesStrings = false; |
| 417 | |
| 418 | static const bool kPreloadDexCachesTypes = true; |
| 419 | static const bool kPreloadDexCachesFieldsAndMethods = true; |
| 420 | |
| 421 | static const bool kPreloadDexCachesCollectStats = true; |
| 422 | |
| 423 | static void PreloadDexCachesStatsTotal(DexCacheStats* total) { |
| 424 | if (!kPreloadDexCachesCollectStats) { |
| 425 | return; |
| 426 | } |
| 427 | |
| 428 | ClassLinker* linker = Runtime::Current()->GetClassLinker(); |
| 429 | const std::vector<const DexFile*>& boot_class_path = linker->GetBootClassPath(); |
| 430 | for (size_t i = 0; i< boot_class_path.size(); i++) { |
| 431 | const DexFile* dex_file = boot_class_path[i]; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 432 | CHECK(dex_file != nullptr); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 433 | total->num_strings += dex_file->NumStringIds(); |
| 434 | total->num_fields += dex_file->NumFieldIds(); |
| 435 | total->num_methods += dex_file->NumMethodIds(); |
| 436 | total->num_types += dex_file->NumTypeIds(); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 437 | } |
| 438 | } |
| 439 | |
| 440 | static void PreloadDexCachesStatsFilled(DexCacheStats* filled) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 441 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 442 | if (!kPreloadDexCachesCollectStats) { |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 443 | return; |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 444 | } |
Vladimir Marko | f44d36c | 2017-03-14 14:18:46 +0000 | [diff] [blame] | 445 | // TODO: Update for hash-based DexCache arrays. |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 446 | ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
| 447 | Thread* const self = Thread::Current(); |
| 448 | for (const DexFile* dex_file : class_linker->GetBootClassPath()) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 449 | CHECK(dex_file != nullptr); |
Andreas Gampe | d66def3 | 2017-04-04 10:09:05 -0700 | [diff] [blame] | 450 | // In fallback mode, not all boot classpath components might be registered, yet. |
| 451 | if (!class_linker->IsDexFileRegistered(self, *dex_file)) { |
| 452 | continue; |
| 453 | } |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 454 | ObjPtr<mirror::DexCache> const dex_cache = class_linker->FindDexCache(self, *dex_file); |
Andreas Gampe | d66def3 | 2017-04-04 10:09:05 -0700 | [diff] [blame] | 455 | DCHECK(dex_cache != nullptr); // Boot class path dex caches are never unloaded. |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 456 | for (size_t j = 0, num_strings = dex_cache->NumStrings(); j < num_strings; ++j) { |
| 457 | auto pair = dex_cache->GetStrings()[j].load(std::memory_order_relaxed); |
| 458 | if (!pair.object.IsNull()) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 459 | filled->num_strings++; |
| 460 | } |
| 461 | } |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 462 | for (size_t j = 0, num_types = dex_cache->NumResolvedTypes(); j < num_types; ++j) { |
| 463 | auto pair = dex_cache->GetResolvedTypes()[j].load(std::memory_order_relaxed); |
| 464 | if (!pair.object.IsNull()) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 465 | filled->num_types++; |
| 466 | } |
| 467 | } |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 468 | for (size_t j = 0, num_fields = dex_cache->NumResolvedFields(); j < num_fields; ++j) { |
| 469 | auto pair = mirror::DexCache::GetNativePairPtrSize(dex_cache->GetResolvedFields(), |
| 470 | j, |
| 471 | kRuntimePointerSize); |
| 472 | if (pair.object != nullptr) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 473 | filled->num_fields++; |
| 474 | } |
| 475 | } |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 476 | for (size_t j = 0, num_methods = dex_cache->NumResolvedMethods(); j < num_methods; ++j) { |
| 477 | auto pair = mirror::DexCache::GetNativePairPtrSize(dex_cache->GetResolvedMethods(), |
| 478 | j, |
| 479 | kRuntimePointerSize); |
| 480 | if (pair.object != nullptr) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 481 | filled->num_methods++; |
| 482 | } |
| 483 | } |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 484 | } |
| 485 | } |
| 486 | |
| 487 | // TODO: http://b/11309598 This code was ported over based on the |
| 488 | // Dalvik version. However, ART has similar code in other places such |
| 489 | // as the CompilerDriver. This code could probably be refactored to |
| 490 | // serve both uses. |
| 491 | static void VMRuntime_preloadDexCaches(JNIEnv* env, jobject) { |
| 492 | if (!kPreloadDexCachesEnabled) { |
| 493 | return; |
| 494 | } |
| 495 | |
| 496 | ScopedObjectAccess soa(env); |
| 497 | |
| 498 | DexCacheStats total; |
| 499 | DexCacheStats before; |
| 500 | if (kPreloadDexCachesCollectStats) { |
| 501 | LOG(INFO) << "VMRuntime.preloadDexCaches starting"; |
| 502 | PreloadDexCachesStatsTotal(&total); |
| 503 | PreloadDexCachesStatsFilled(&before); |
| 504 | } |
| 505 | |
| 506 | Runtime* runtime = Runtime::Current(); |
| 507 | ClassLinker* linker = runtime->GetClassLinker(); |
| 508 | |
| 509 | // We use a std::map to avoid heap allocating StringObjects to lookup in gDvm.literalStrings |
| 510 | StringTable strings; |
| 511 | if (kPreloadDexCachesStrings) { |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 512 | PreloadDexCachesStringsVisitor visitor(&strings); |
| 513 | runtime->GetInternTable()->VisitRoots(&visitor, kVisitRootFlagAllRoots); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 514 | } |
| 515 | |
| 516 | const std::vector<const DexFile*>& boot_class_path = linker->GetBootClassPath(); |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 517 | for (size_t i = 0; i < boot_class_path.size(); i++) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 518 | const DexFile* dex_file = boot_class_path[i]; |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 519 | CHECK(dex_file != nullptr); |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 520 | ObjPtr<mirror::DexCache> dex_cache = linker->RegisterDexFile(*dex_file, nullptr); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame] | 521 | CHECK(dex_cache != nullptr); // Boot class path dex caches are never unloaded. |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 522 | if (kPreloadDexCachesStrings) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 523 | for (size_t j = 0; j < dex_cache->NumStrings(); j++) { |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 524 | PreloadDexCachesResolveString(dex_cache, dex::StringIndex(j), strings); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 525 | } |
| 526 | } |
| 527 | |
| 528 | if (kPreloadDexCachesTypes) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 529 | for (size_t j = 0; j < dex_cache->NumResolvedTypes(); j++) { |
Vladimir Marko | 753d613 | 2017-07-21 12:43:24 +0100 | [diff] [blame] | 530 | PreloadDexCachesResolveType(soa.Self(), dex_cache, dex::TypeIndex(j)); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 531 | } |
| 532 | } |
| 533 | |
| 534 | if (kPreloadDexCachesFieldsAndMethods) { |
| 535 | for (size_t class_def_index = 0; |
| 536 | class_def_index < dex_file->NumClassDefs(); |
| 537 | class_def_index++) { |
| 538 | const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 539 | const uint8_t* class_data = dex_file->GetClassData(class_def); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 540 | if (class_data == nullptr) { |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 541 | continue; |
| 542 | } |
| 543 | ClassDataItemIterator it(*dex_file, class_data); |
| 544 | for (; it.HasNextStaticField(); it.Next()) { |
| 545 | uint32_t field_idx = it.GetMemberIndex(); |
| 546 | PreloadDexCachesResolveField(dex_cache, field_idx, true); |
| 547 | } |
| 548 | for (; it.HasNextInstanceField(); it.Next()) { |
| 549 | uint32_t field_idx = it.GetMemberIndex(); |
| 550 | PreloadDexCachesResolveField(dex_cache, field_idx, false); |
| 551 | } |
| 552 | for (; it.HasNextDirectMethod(); it.Next()) { |
| 553 | uint32_t method_idx = it.GetMemberIndex(); |
Vladimir Marko | ba11882 | 2017-06-12 15:41:56 +0100 | [diff] [blame] | 554 | PreloadDexCachesResolveMethod(dex_cache, method_idx); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 555 | } |
| 556 | for (; it.HasNextVirtualMethod(); it.Next()) { |
| 557 | uint32_t method_idx = it.GetMemberIndex(); |
Vladimir Marko | ba11882 | 2017-06-12 15:41:56 +0100 | [diff] [blame] | 558 | PreloadDexCachesResolveMethod(dex_cache, method_idx); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 559 | } |
| 560 | } |
| 561 | } |
| 562 | } |
| 563 | |
| 564 | if (kPreloadDexCachesCollectStats) { |
| 565 | DexCacheStats after; |
| 566 | PreloadDexCachesStatsFilled(&after); |
| 567 | LOG(INFO) << StringPrintf("VMRuntime.preloadDexCaches strings total=%d before=%d after=%d", |
| 568 | total.num_strings, before.num_strings, after.num_strings); |
| 569 | LOG(INFO) << StringPrintf("VMRuntime.preloadDexCaches types total=%d before=%d after=%d", |
| 570 | total.num_types, before.num_types, after.num_types); |
| 571 | LOG(INFO) << StringPrintf("VMRuntime.preloadDexCaches fields total=%d before=%d after=%d", |
| 572 | total.num_fields, before.num_fields, after.num_fields); |
| 573 | LOG(INFO) << StringPrintf("VMRuntime.preloadDexCaches methods total=%d before=%d after=%d", |
| 574 | total.num_methods, before.num_methods, after.num_methods); |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 575 | LOG(INFO) << StringPrintf("VMRuntime.preloadDexCaches finished"); |
| 576 | } |
| 577 | } |
| 578 | |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 579 | |
| 580 | /* |
| 581 | * This is called by the framework when it knows the application directory and |
Calin Juravle | 31f2c15 | 2015-10-23 17:56:15 +0100 | [diff] [blame] | 582 | * process name. |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 583 | */ |
Calin Juravle | 31f2c15 | 2015-10-23 17:56:15 +0100 | [diff] [blame] | 584 | static void VMRuntime_registerAppInfo(JNIEnv* env, |
| 585 | jclass clazz ATTRIBUTE_UNUSED, |
Calin Juravle | 5e2b971 | 2015-12-18 14:10:00 +0200 | [diff] [blame] | 586 | jstring profile_file, |
Calin Juravle | 77651c4 | 2017-03-03 18:04:02 -0800 | [diff] [blame] | 587 | jobjectArray code_paths) { |
Calin Juravle | 66f5523 | 2015-12-08 15:09:10 +0000 | [diff] [blame] | 588 | std::vector<std::string> code_paths_vec; |
| 589 | int code_paths_length = env->GetArrayLength(code_paths); |
| 590 | for (int i = 0; i < code_paths_length; i++) { |
| 591 | jstring code_path = reinterpret_cast<jstring>(env->GetObjectArrayElement(code_paths, i)); |
| 592 | const char* raw_code_path = env->GetStringUTFChars(code_path, nullptr); |
| 593 | code_paths_vec.push_back(raw_code_path); |
| 594 | env->ReleaseStringUTFChars(code_path, raw_code_path); |
| 595 | } |
Calin Juravle | c1b643c | 2014-05-30 23:44:11 +0100 | [diff] [blame] | 596 | |
Calin Juravle | 5e2b971 | 2015-12-18 14:10:00 +0200 | [diff] [blame] | 597 | const char* raw_profile_file = env->GetStringUTFChars(profile_file, nullptr); |
| 598 | std::string profile_file_str(raw_profile_file); |
| 599 | env->ReleaseStringUTFChars(profile_file, raw_profile_file); |
Calin Juravle | c1b643c | 2014-05-30 23:44:11 +0100 | [diff] [blame] | 600 | |
Calin Juravle | 77651c4 | 2017-03-03 18:04:02 -0800 | [diff] [blame] | 601 | Runtime::Current()->RegisterAppInfo(code_paths_vec, profile_file_str); |
Dave Allison | 0aded08 | 2013-11-07 13:15:11 -0800 | [diff] [blame] | 602 | } |
| 603 | |
Brian Carlstrom | 31d8f52 | 2014-09-29 11:22:54 -0700 | [diff] [blame] | 604 | static jboolean VMRuntime_isBootClassPathOnDisk(JNIEnv* env, jclass, jstring java_instruction_set) { |
| 605 | ScopedUtfChars instruction_set(env, java_instruction_set); |
| 606 | if (instruction_set.c_str() == nullptr) { |
| 607 | return JNI_FALSE; |
| 608 | } |
| 609 | InstructionSet isa = GetInstructionSetFromString(instruction_set.c_str()); |
| 610 | if (isa == kNone) { |
| 611 | ScopedLocalRef<jclass> iae(env, env->FindClass("java/lang/IllegalArgumentException")); |
| 612 | std::string message(StringPrintf("Instruction set %s is invalid.", instruction_set.c_str())); |
| 613 | env->ThrowNew(iae.get(), message.c_str()); |
| 614 | return JNI_FALSE; |
| 615 | } |
| 616 | std::string error_msg; |
| 617 | std::unique_ptr<ImageHeader> image_header(gc::space::ImageSpace::ReadImageHeader( |
| 618 | Runtime::Current()->GetImageLocation().c_str(), isa, &error_msg)); |
| 619 | return image_header.get() != nullptr; |
| 620 | } |
| 621 | |
| 622 | static jstring VMRuntime_getCurrentInstructionSet(JNIEnv* env, jclass) { |
| 623 | return env->NewStringUTF(GetInstructionSetString(kRuntimeISA)); |
| 624 | } |
| 625 | |
Andreas Gampe | a1425a1 | 2016-03-11 17:44:04 -0800 | [diff] [blame] | 626 | static jboolean VMRuntime_didPruneDalvikCache(JNIEnv* env ATTRIBUTE_UNUSED, |
| 627 | jclass klass ATTRIBUTE_UNUSED) { |
| 628 | return Runtime::Current()->GetPrunedDalvikCache() ? JNI_TRUE : JNI_FALSE; |
| 629 | } |
| 630 | |
Hiroshi Yamauchi | d7f0339 | 2017-03-29 14:47:49 -0700 | [diff] [blame] | 631 | static void VMRuntime_setSystemDaemonThreadPriority(JNIEnv* env ATTRIBUTE_UNUSED, |
| 632 | jclass klass ATTRIBUTE_UNUSED) { |
| 633 | #ifdef ART_TARGET_ANDROID |
| 634 | Thread* self = Thread::Current(); |
| 635 | DCHECK(self != nullptr); |
| 636 | pid_t tid = self->GetTid(); |
| 637 | // We use a priority lower than the default for the system daemon threads (eg HeapTaskDaemon) to |
| 638 | // avoid jank due to CPU contentions between GC and other UI-related threads. b/36631902. |
| 639 | // We may use a native priority that doesn't have a corresponding java.lang.Thread-level priority. |
| 640 | static constexpr int kSystemDaemonNiceValue = 4; // priority 124 |
| 641 | if (setpriority(PRIO_PROCESS, tid, kSystemDaemonNiceValue) != 0) { |
| 642 | PLOG(INFO) << *self << " setpriority(PRIO_PROCESS, " << tid << ", " |
| 643 | << kSystemDaemonNiceValue << ") failed"; |
| 644 | } |
| 645 | #endif |
| 646 | } |
| 647 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 648 | static JNINativeMethod gMethods[] = { |
Igor Murashkin | 3b6f440 | 2017-02-16 16:13:17 -0800 | [diff] [blame] | 649 | FAST_NATIVE_METHOD(VMRuntime, addressOf, "(Ljava/lang/Object;)J"), |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 650 | NATIVE_METHOD(VMRuntime, bootClassPath, "()Ljava/lang/String;"), |
Mathieu Chartier | 379d09f | 2015-01-08 11:28:13 -0800 | [diff] [blame] | 651 | NATIVE_METHOD(VMRuntime, clampGrowthLimit, "()V"), |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 652 | NATIVE_METHOD(VMRuntime, classPath, "()Ljava/lang/String;"), |
| 653 | NATIVE_METHOD(VMRuntime, clearGrowthLimit, "()V"), |
Mathieu Chartier | 7664f5c | 2012-06-08 18:15:32 -0700 | [diff] [blame] | 654 | NATIVE_METHOD(VMRuntime, concurrentGC, "()V"), |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 655 | NATIVE_METHOD(VMRuntime, disableJitCompilation, "()V"), |
| 656 | NATIVE_METHOD(VMRuntime, getTargetHeapUtilization, "()F"), |
Igor Murashkin | 3b6f440 | 2017-02-16 16:13:17 -0800 | [diff] [blame] | 657 | FAST_NATIVE_METHOD(VMRuntime, isDebuggerActive, "()Z"), |
| 658 | FAST_NATIVE_METHOD(VMRuntime, isNativeDebuggable, "()Z"), |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 659 | NATIVE_METHOD(VMRuntime, nativeSetTargetHeapUtilization, "(F)V"), |
Igor Murashkin | 3b6f440 | 2017-02-16 16:13:17 -0800 | [diff] [blame] | 660 | FAST_NATIVE_METHOD(VMRuntime, newNonMovableArray, "(Ljava/lang/Class;I)Ljava/lang/Object;"), |
| 661 | FAST_NATIVE_METHOD(VMRuntime, newUnpaddedArray, "(Ljava/lang/Class;I)Ljava/lang/Object;"), |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 662 | NATIVE_METHOD(VMRuntime, properties, "()[Ljava/lang/String;"), |
Alex Klyubin | 881392f | 2013-10-24 16:31:56 -0700 | [diff] [blame] | 663 | NATIVE_METHOD(VMRuntime, setTargetSdkVersionNative, "(I)V"), |
Mathieu Chartier | 987ccff | 2013-07-08 11:05:21 -0700 | [diff] [blame] | 664 | NATIVE_METHOD(VMRuntime, registerNativeAllocation, "(I)V"), |
Calin Juravle | 97cbc92 | 2016-04-15 16:16:35 +0100 | [diff] [blame] | 665 | NATIVE_METHOD(VMRuntime, registerSensitiveThread, "()V"), |
Mathieu Chartier | 987ccff | 2013-07-08 11:05:21 -0700 | [diff] [blame] | 666 | NATIVE_METHOD(VMRuntime, registerNativeFree, "(I)V"), |
Mathieu Chartier | a5eae69 | 2014-12-17 17:56:03 -0800 | [diff] [blame] | 667 | NATIVE_METHOD(VMRuntime, requestConcurrentGC, "()V"), |
| 668 | NATIVE_METHOD(VMRuntime, requestHeapTrim, "()V"), |
| 669 | NATIVE_METHOD(VMRuntime, runHeapTasks, "()V"), |
Mathieu Chartier | ca2a24d | 2013-11-25 15:12:12 -0800 | [diff] [blame] | 670 | NATIVE_METHOD(VMRuntime, updateProcessState, "(I)V"), |
Mathieu Chartier | a5eae69 | 2014-12-17 17:56:03 -0800 | [diff] [blame] | 671 | NATIVE_METHOD(VMRuntime, startHeapTaskProcessor, "()V"), |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 672 | NATIVE_METHOD(VMRuntime, startJitCompilation, "()V"), |
Mathieu Chartier | a5eae69 | 2014-12-17 17:56:03 -0800 | [diff] [blame] | 673 | NATIVE_METHOD(VMRuntime, stopHeapTaskProcessor, "()V"), |
Elliott Hughes | 8cf5bc0 | 2012-02-02 16:32:16 -0800 | [diff] [blame] | 674 | NATIVE_METHOD(VMRuntime, trimHeap, "()V"), |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 675 | NATIVE_METHOD(VMRuntime, vmVersion, "()Ljava/lang/String;"), |
Brian Carlstrom | cef450c | 2013-06-28 14:38:26 -0700 | [diff] [blame] | 676 | NATIVE_METHOD(VMRuntime, vmLibrary, "()Ljava/lang/String;"), |
Sebastien Hertz | a705376 | 2014-05-16 16:56:45 +0200 | [diff] [blame] | 677 | NATIVE_METHOD(VMRuntime, vmInstructionSet, "()Ljava/lang/String;"), |
Igor Murashkin | 3b6f440 | 2017-02-16 16:13:17 -0800 | [diff] [blame] | 678 | FAST_NATIVE_METHOD(VMRuntime, is64Bit, "()Z"), |
| 679 | FAST_NATIVE_METHOD(VMRuntime, isCheckJniEnabled, "()Z"), |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 680 | NATIVE_METHOD(VMRuntime, preloadDexCaches, "()V"), |
Calin Juravle | 77651c4 | 2017-03-03 18:04:02 -0800 | [diff] [blame] | 681 | NATIVE_METHOD(VMRuntime, registerAppInfo, "(Ljava/lang/String;[Ljava/lang/String;)V"), |
Brian Carlstrom | 31d8f52 | 2014-09-29 11:22:54 -0700 | [diff] [blame] | 682 | NATIVE_METHOD(VMRuntime, isBootClassPathOnDisk, "(Ljava/lang/String;)Z"), |
| 683 | NATIVE_METHOD(VMRuntime, getCurrentInstructionSet, "()Ljava/lang/String;"), |
Andreas Gampe | a1425a1 | 2016-03-11 17:44:04 -0800 | [diff] [blame] | 684 | NATIVE_METHOD(VMRuntime, didPruneDalvikCache, "()Z"), |
Hiroshi Yamauchi | d7f0339 | 2017-03-29 14:47:49 -0700 | [diff] [blame] | 685 | NATIVE_METHOD(VMRuntime, setSystemDaemonThreadPriority, "()V"), |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 686 | }; |
| 687 | |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 688 | void register_dalvik_system_VMRuntime(JNIEnv* env) { |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 689 | REGISTER_NATIVE_METHODS("dalvik/system/VMRuntime"); |
Elliott Hughes | 7ede61e | 2011-09-14 18:18:06 -0700 | [diff] [blame] | 690 | } |
| 691 | |
| 692 | } // namespace art |