1 /*
2 * Copyright (C) 2006 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
17 #define ATRACE_TAG ATRACE_TAG_DALVIK
18 #define LOG_TAG "AndroidRuntime"
19 #define LOG_NDEBUG 1
20
21 #include <android-base/macros.h>
22 #include <android-base/parsebool.h>
23 #include <android-base/properties.h>
24 #include <android/graphics/jni_runtime.h>
25 #include <android_os.h>
26 #include <android_runtime/AndroidRuntime.h>
27 #include <assert.h>
28 #include <binder/IBinder.h>
29 #include <binder/IPCThreadState.h>
30 #include <binder/IServiceManager.h>
31 #include <binder/Parcel.h>
32 #include <bionic/malloc.h>
33 #include <cutils/properties.h>
34 #include <dirent.h>
35 #include <dlfcn.h>
36 #include <nativehelper/JNIHelp.h>
37 #include <nativehelper/JniInvocation.h>
38 #include <server_configurable_flags/get_flags.h>
39 #include <signal.h>
40 #include <stdio.h>
41 #include <sys/stat.h>
42 #include <sys/types.h>
43 #include <utils/Log.h>
44 #include <utils/Trace.h>
45 #include <utils/misc.h>
46 #include <utils/threads.h>
47
48 #include <string>
49 #include <vector>
50
51 #include "android_util_Binder.h"
52 #include "jni.h"
53
54 using namespace android;
55 using android::base::GetBoolProperty;
56 using android::base::GetProperty;
57 using android::base::ParseBool;
58 using android::base::ParseBoolResult;
59
60 extern int register_android_os_Binder(JNIEnv* env);
61 extern int register_android_os_Process(JNIEnv* env);
62 extern int register_android_graphics_GraphicBuffer(JNIEnv* env);
63
64 extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
65 extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
66 extern int register_android_opengl_jni_EGL14(JNIEnv* env);
67 extern int register_android_opengl_jni_EGL15(JNIEnv* env);
68 extern int register_android_opengl_jni_EGLExt(JNIEnv* env);
69 extern int register_android_opengl_jni_GLES10(JNIEnv* env);
70 extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
71 extern int register_android_opengl_jni_GLES11(JNIEnv* env);
72 extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
73 extern int register_android_opengl_jni_GLES20(JNIEnv* env);
74 extern int register_android_opengl_jni_GLES30(JNIEnv* env);
75 extern int register_android_opengl_jni_GLES31(JNIEnv* env);
76 extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env);
77 extern int register_android_opengl_jni_GLES32(JNIEnv* env);
78
79 extern int register_android_hardware_Camera(JNIEnv *env);
80 extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env);
81 extern int register_android_hardware_camera2_CameraDevice(JNIEnv *env);
82 extern int register_android_hardware_camera2_DngCreator(JNIEnv *env);
83 extern int register_android_hardware_camera2_impl_CameraExtensionJpegProcessor(JNIEnv* env);
84 extern int register_android_hardware_camera2_utils_SurfaceUtils(JNIEnv* env);
85 extern int register_android_hardware_display_DisplayManagerGlobal(JNIEnv* env);
86 extern int register_android_hardware_HardwareBuffer(JNIEnv *env);
87 extern int register_android_hardware_OverlayProperties(JNIEnv* env);
88 extern int register_android_hardware_SensorManager(JNIEnv *env);
89 extern int register_android_hardware_SerialPort(JNIEnv *env);
90 extern int register_android_hardware_SyncFence(JNIEnv* env);
91 extern int register_android_hardware_UsbDevice(JNIEnv *env);
92 extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
93 extern int register_android_hardware_UsbRequest(JNIEnv *env);
94 extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env);
95
96 extern int register_android_media_AudioDeviceAttributes(JNIEnv* env);
97 extern int register_android_media_AudioEffectDescriptor(JNIEnv *env);
98 extern int register_android_media_AudioRecord(JNIEnv *env);
99 extern int register_android_media_AudioSystem(JNIEnv *env);
100 extern int register_android_media_AudioTrack(JNIEnv *env);
101 extern int register_android_media_AudioAttributes(JNIEnv *env);
102 extern int register_android_media_AudioProductStrategies(JNIEnv *env);
103 extern int register_android_media_AudioVolumeGroups(JNIEnv *env);
104 extern int register_android_media_ImageReader(JNIEnv *env);
105 extern int register_android_media_ImageWriter(JNIEnv *env);
106 extern int register_android_media_MicrophoneInfo(JNIEnv *env);
107 extern int register_android_media_PublicFormatUtils(JNIEnv *env);
108 extern int register_android_media_ToneGenerator(JNIEnv *env);
109 extern int register_android_media_audio_common_AidlConversion(JNIEnv* env);
110 extern int register_android_media_midi(JNIEnv *env);
111
112 namespace android {
113
114 /*
115 * JNI-based registration functions. Note these are properly contained in
116 * namespace android.
117 */
118 extern int register_android_app_admin_SecurityLog(JNIEnv* env);
119 extern int register_android_content_AssetManager(JNIEnv* env);
120 extern int register_android_util_CharsetUtils(JNIEnv* env);
121 extern int register_android_util_EventLog(JNIEnv* env);
122 extern int register_android_util_Log(JNIEnv* env);
123 extern int register_android_util_MemoryIntArray(JNIEnv* env);
124 extern int register_android_content_StringBlock(JNIEnv* env);
125 extern int register_android_content_XmlBlock(JNIEnv* env);
126 extern int register_android_content_res_ApkAssets(JNIEnv* env);
127 extern int register_android_content_res_ResourceTimer(JNIEnv* env);
128 extern int register_android_graphics_BLASTBufferQueue(JNIEnv* env);
129 extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
130 extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
131 extern int register_android_view_InputApplicationHandle(JNIEnv* env);
132 extern int register_android_view_InputWindowHandle(JNIEnv* env);
133 extern int register_android_view_Surface(JNIEnv* env);
134 extern int register_android_view_SurfaceControl(JNIEnv* env);
135 extern int register_android_view_SurfaceControlActivePictureListener(JNIEnv* env);
136 extern int register_android_view_SurfaceControlHdrLayerInfoListener(JNIEnv* env);
137 extern int register_android_view_SurfaceSession(JNIEnv* env);
138 extern int register_android_view_CompositionSamplingListener(JNIEnv* env);
139 extern int register_android_view_TextureView(JNIEnv* env);
140 extern int register_android_view_TunnelModeEnabledListener(JNIEnv* env);
141 extern int register_android_database_CursorWindow(JNIEnv* env);
142 extern int register_android_database_SQLiteConnection(JNIEnv* env);
143 extern int register_android_database_SQLiteGlobal(JNIEnv* env);
144 extern int register_android_database_SQLiteDebug(JNIEnv* env);
145 extern int register_android_database_SQLiteRawStatement(JNIEnv* env);
146 extern int register_android_media_MediaMetrics(JNIEnv *env);
147 extern int register_android_os_Debug(JNIEnv* env);
148 extern int register_android_os_GraphicsEnvironment(JNIEnv* env);
149 extern int register_android_os_HidlSupport(JNIEnv* env);
150 extern int register_android_os_HwBinder(JNIEnv *env);
151 extern int register_android_os_HwBlob(JNIEnv *env);
152 extern int register_android_os_HwParcel(JNIEnv *env);
153 extern int register_android_os_HwRemoteBinder(JNIEnv *env);
154 extern int register_android_os_NativeHandle(JNIEnv *env);
155 extern int register_android_os_ServiceManager(JNIEnv *env);
156 extern int register_android_os_ServiceManagerNative(JNIEnv* env);
157 extern int register_android_os_MessageQueue(JNIEnv* env);
158 extern int register_android_os_Parcel(JNIEnv* env);
159 extern int register_android_os_PerformanceHintManager(JNIEnv* env);
160 extern int register_android_os_SELinux(JNIEnv* env);
161 extern int register_android_os_storage_StorageManager(JNIEnv* env);
162 extern int register_android_os_SystemProperties(JNIEnv *env);
163 extern int register_android_os_SystemClock(JNIEnv* env);
164 extern int register_android_os_PerfettoTrace(JNIEnv* env);
165 extern int register_android_os_PerfettoTrackEventExtra(JNIEnv* env);
166 extern int register_android_os_Trace(JNIEnv* env);
167 extern int register_android_os_FileObserver(JNIEnv *env);
168 extern int register_android_os_UEventObserver(JNIEnv* env);
169 extern int register_android_os_HidlMemory(JNIEnv* env);
170 extern int register_android_os_MemoryFile(JNIEnv* env);
171 extern int register_android_os_SharedMemory(JNIEnv* env);
172 extern int register_android_service_DataLoaderService(JNIEnv* env);
173 extern int register_android_os_incremental_IncrementalManager(JNIEnv* env);
174 extern int register_android_net_LocalSocketImpl(JNIEnv* env);
175 extern int register_android_text_AndroidCharacter(JNIEnv *env);
176 extern int register_android_text_Hyphenator(JNIEnv *env);
177 extern int register_android_opengl_classes(JNIEnv *env);
178 extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
179 extern int register_android_backup_BackupDataInput(JNIEnv *env);
180 extern int register_android_backup_BackupDataOutput(JNIEnv *env);
181 extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
182 extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
183 extern int register_android_app_backup_FullBackup(JNIEnv *env);
184 extern int register_android_app_Activity(JNIEnv *env);
185 extern int register_android_app_ActivityThread(JNIEnv *env);
186 extern int register_android_app_NativeActivity(JNIEnv *env);
187 extern int register_android_app_PropertyInvalidatedCache(JNIEnv* env);
188 extern int register_android_media_RemoteDisplay(JNIEnv *env);
189 extern int register_android_util_jar_StrictJarFile(JNIEnv* env);
190 extern int register_android_view_InputChannel(JNIEnv* env);
191 extern int register_android_view_InputDevice(JNIEnv* env);
192 extern int register_android_view_InputEventReceiver(JNIEnv* env);
193 extern int register_android_view_InputEventSender(JNIEnv* env);
194 extern int register_android_view_InputQueue(JNIEnv* env);
195 extern int register_android_view_KeyCharacterMap(JNIEnv *env);
196 extern int register_android_view_KeyEvent(JNIEnv* env);
197 extern int register_android_view_MotionEvent(JNIEnv* env);
198 extern int register_android_view_MotionPredictor(JNIEnv* env);
199 extern int register_android_view_PointerIcon(JNIEnv* env);
200 extern int register_android_view_VelocityTracker(JNIEnv* env);
201 extern int register_android_view_VerifiedKeyEvent(JNIEnv* env);
202 extern int register_android_view_VerifiedMotionEvent(JNIEnv* env);
203 extern int register_android_content_res_ObbScanner(JNIEnv* env);
204 extern int register_android_content_res_Configuration(JNIEnv* env);
205 extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
206 extern int register_android_security_Scrypt(JNIEnv *env);
207 extern int register_com_android_internal_content_F2fsUtils(JNIEnv* env);
208 extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
209 extern int register_com_android_internal_content_om_OverlayConfig(JNIEnv *env);
210 extern int register_com_android_internal_content_om_OverlayManagerImpl(JNIEnv* env);
211 extern int register_com_android_internal_net_NetworkUtilsInternal(JNIEnv* env);
212 extern int register_com_android_internal_os_ApplicationSharedMemory(JNIEnv *env);
213 extern int register_com_android_internal_os_ClassLoaderFactory(JNIEnv* env);
214 extern int register_com_android_internal_os_DebugStore(JNIEnv* env);
215 extern int register_com_android_internal_os_FuseAppLoop(JNIEnv* env);
216 extern int register_com_android_internal_os_KernelAllocationStats(JNIEnv* env);
217 extern int register_com_android_internal_os_KernelCpuBpfTracking(JNIEnv* env);
218 extern int register_com_android_internal_os_KernelCpuTotalBpfMapReader(JNIEnv* env);
219 extern int register_com_android_internal_os_KernelCpuUidBpfMapReader(JNIEnv *env);
220 extern int register_com_android_internal_os_KernelSingleProcessCpuThreadReader(JNIEnv* env);
221 extern int register_com_android_internal_os_KernelSingleUidTimeReader(JNIEnv *env);
222 extern int register_com_android_internal_os_LongArrayMultiStateCounter(JNIEnv* env);
223 extern int register_com_android_internal_os_LongMultiStateCounter(JNIEnv* env);
224 extern int register_com_android_internal_os_Zygote(JNIEnv *env);
225 extern int register_com_android_internal_os_ZygoteCommandBuffer(JNIEnv *env);
226 extern int register_com_android_internal_os_ZygoteInit(JNIEnv *env);
227 extern int register_com_android_internal_security_VerityUtils(JNIEnv* env);
228 extern int register_com_android_internal_util_ArrayUtils(JNIEnv* env);
229 extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
230 extern int register_android_window_WindowInfosListener(JNIEnv* env);
231 extern int register_android_window_ScreenCapture(JNIEnv* env);
232 extern int register_jni_common(JNIEnv* env);
233 extern int register_android_tracing_PerfettoDataSource(JNIEnv* env);
234 extern int register_android_tracing_PerfettoDataSourceInstance(JNIEnv* env);
235 extern int register_android_tracing_PerfettoProducer(JNIEnv* env);
236 extern int register_android_window_InputTransferToken(JNIEnv* env);
237 extern int register_android_view_WindowManagerGlobal(JNIEnv* env);
238
239 // Namespace for Android Runtime flags applied during boot time.
240 static const char* RUNTIME_NATIVE_BOOT_NAMESPACE = "runtime_native_boot";
241 // Feature flag name to enable/disable generational garbage collection in ART's
242 // Concurrent Copying (CC) garbage collector.
243 static const char* ENABLE_GENERATIONAL_CC = "enable_generational_cc";
244 // Runtime option enabling generational garbage collection in ART's Concurrent
245 // Copying (CC) garbage collector.
246 static const char* kGenerationalCCRuntimeOption = "-Xgc:generational_cc";
247 // Runtime option disabling generational garbage collection in ART's Concurrent
248 // Copying (CC) garbage collector.
249 static const char* kNoGenerationalCCRuntimeOption = "-Xgc:nogenerational_cc";
250
251 // Phenotype property name for enabling profiling the boot class path.
252 static const char* PROFILE_BOOT_CLASS_PATH = "profilebootclasspath";
253
254 // Feature flag name for running the JIT in Zygote experiment, b/119800099.
255 // TODO: Rename the server-level flag or remove.
256 static const char* ENABLE_JITZYGOTE_IMAGE = "enable_apex_image";
257 // Flag to pass to the runtime when using the JIT Zygote image.
258 static const char* kJitZygoteImageOption = "-Xforcejitzygote";
259
260 // Feature flag name for disabling lock profiling.
261 static const char* DISABLE_LOCK_PROFILING = "disable_lock_profiling";
262 // Runtime option disabling lock profiling.
263 static const char* kLockProfThresholdRuntimeOption = "-Xlockprofthreshold:0";
264
265 static AndroidRuntime* gCurRuntime = NULL;
266
267 /*
268 * Code written in the Java Programming Language calls here from main().
269 */
com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv * env,jobject clazz)270 static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
271 {
272 gCurRuntime->onStarted();
273 }
274
com_android_internal_os_ZygoteInit_nativeZygoteInit(JNIEnv * env,jobject clazz)275 static void com_android_internal_os_ZygoteInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
276 {
277 gCurRuntime->onZygoteInit();
278 }
279
com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv * env,jobject clazz,jboolean exitWithoutCleanup)280 static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
281 jobject clazz, jboolean exitWithoutCleanup)
282 {
283 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
284 }
285
286 /*
287 * JNI registration.
288 */
289
register_com_android_internal_os_RuntimeInit(JNIEnv * env)290 int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
291 {
292 const JNINativeMethod methods[] = {
293 {"nativeFinishInit", "()V",
294 (void*)com_android_internal_os_RuntimeInit_nativeFinishInit},
295 {"nativeSetExitWithoutCleanup", "(Z)V",
296 (void*)com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup},
297 };
298 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
299 methods, NELEM(methods));
300 }
301
register_com_android_internal_os_ZygoteInit_nativeZygoteInit(JNIEnv * env)302 int register_com_android_internal_os_ZygoteInit_nativeZygoteInit(JNIEnv* env)
303 {
304 const JNINativeMethod methods[] = {
305 { "nativeZygoteInit", "()V",
306 (void*) com_android_internal_os_ZygoteInit_nativeZygoteInit },
307 };
308 return jniRegisterNativeMethods(env, "com/android/internal/os/ZygoteInit",
309 methods, NELEM(methods));
310 }
311
312 // ----------------------------------------------------------------------
313
314 /*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
315
AndroidRuntime(char * argBlockStart,const size_t argBlockLength)316 AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
317 mExitWithoutCleanup(false),
318 mArgBlockStart(argBlockStart),
319 mArgBlockLength(argBlockLength)
320 {
321 init_android_graphics();
322
323 // Pre-allocate enough space to hold a fair number of options.
324 mOptions.setCapacity(20);
325
326 assert(gCurRuntime == NULL); // one per process
327 gCurRuntime = this;
328 }
329
~AndroidRuntime()330 AndroidRuntime::~AndroidRuntime()
331 {
332 }
333
334 /*
335 * Register native methods using JNI.
336 */
registerNativeMethods(JNIEnv * env,const char * className,const JNINativeMethod * gMethods,int numMethods)337 /*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
338 const char* className, const JNINativeMethod* gMethods, int numMethods)
339 {
340 return jniRegisterNativeMethods(env, className, gMethods, numMethods);
341 }
342
setArgv0(const char * argv0,bool setProcName)343 void AndroidRuntime::setArgv0(const char* argv0, bool setProcName) {
344 // Set the kernel's task name, for as much of the name as we can fit.
345 // The kernel's TASK_COMM_LEN minus one for the terminating NUL == 15.
346 if (setProcName) {
347 int len = strlen(argv0);
348 if (len < 15) {
349 pthread_setname_np(pthread_self(), argv0);
350 } else {
351 pthread_setname_np(pthread_self(), argv0 + len - 15);
352 }
353 }
354
355 // Directly change the memory pointed to by argv[0].
356 memset(mArgBlockStart, 0, mArgBlockLength);
357 strlcpy(mArgBlockStart, argv0, mArgBlockLength);
358
359 // Let bionic know that we just did that, because __progname points
360 // into argv[0] (https://issuetracker.google.com/152893281).
361 setprogname(mArgBlockStart);
362 }
363
callMain(const String8 & className,jclass clazz,const Vector<String8> & args)364 status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
365 const Vector<String8>& args)
366 {
367 JNIEnv* env;
368 jmethodID methodId;
369
370 ALOGD("Calling main entry %s", className.c_str());
371
372 env = getJNIEnv();
373 if (clazz == NULL || env == NULL) {
374 return UNKNOWN_ERROR;
375 }
376
377 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
378 if (methodId == NULL) {
379 ALOGE("ERROR: could not find method %s.main(String[])\n", className.c_str());
380 return UNKNOWN_ERROR;
381 }
382
383 /*
384 * We want to call main() with a String array with our arguments in it.
385 * Create an array and populate it.
386 */
387 jclass stringClass;
388 jobjectArray strArray;
389
390 const size_t numArgs = args.size();
391 stringClass = env->FindClass("java/lang/String");
392 strArray = env->NewObjectArray(numArgs, stringClass, NULL);
393
394 for (size_t i = 0; i < numArgs; i++) {
395 jstring argStr = env->NewStringUTF(args[i].c_str());
396 env->SetObjectArrayElement(strArray, i, argStr);
397 }
398
399 env->CallStaticVoidMethod(clazz, methodId, strArray);
400 return NO_ERROR;
401 }
402
403 /*
404 * The VM calls this through the "exit" hook.
405 */
runtime_exit(int code)406 static void runtime_exit(int code)
407 {
408 gCurRuntime->exit(code);
409 }
410
411 /*
412 * The VM calls this through the "vfprintf" hook.
413 *
414 * We ignore "fp" and just write the results to the log file.
415 */
runtime_vfprintf(FILE * fp,const char * format,va_list ap)416 static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
417 {
418 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
419 }
420
421 /**
422 * The VM calls this when mutex contention debugging is enabled to
423 * determine whether or not the blocked thread was a "sensitive thread"
424 * for user responsiveness/smoothess.
425 *
426 * Our policy for this is whether or not we're tracing any StrictMode
427 * events on this thread (which we might've inherited via Binder calls
428 * into us)
429 */
runtime_isSensitiveThread()430 static bool runtime_isSensitiveThread() {
431 IPCThreadState* state = IPCThreadState::selfOrNull();
432 return state && state->getStrictModePolicy() != 0;
433 }
434
hasDir(const char * dir)435 static int hasDir(const char* dir)
436 {
437 struct stat s;
438 int res = stat(dir, &s);
439 if (res == 0) {
440 return S_ISDIR(s.st_mode);
441 }
442 return 0;
443 }
444
hasFile(const char * file)445 static bool hasFile(const char* file) {
446 struct stat s;
447 int res = stat(file, &s);
448 if (res == 0) {
449 return S_ISREG(s.st_mode);
450 }
451 return false;
452 }
453
454 /*
455 * Read the persistent locale. Inspects the following system properties
456 * (in order) and returns the first non-empty property in the list :
457 *
458 * (1) persist.sys.locale
459 * (2) persist.sys.language/country/localevar (country and localevar are
460 * inspected iff. language is non-empty.
461 * (3) ro.product.locale
462 * (4) ro.product.locale.language/region
463 *
464 * Note that we need to inspect persist.sys.language/country/localevar to
465 * preserve language settings for devices that are upgrading from Lollipop
466 * to M. The same goes for ro.product.locale.language/region as well.
467 */
readLocale()468 const std::string readLocale()
469 {
470 const std::string locale = GetProperty("persist.sys.locale", "");
471 if (!locale.empty()) {
472 return locale;
473 }
474
475 const std::string language = GetProperty("persist.sys.language", "");
476 if (!language.empty()) {
477 const std::string country = GetProperty("persist.sys.country", "");
478 const std::string variant = GetProperty("persist.sys.localevar", "");
479
480 std::string out = language;
481 if (!country.empty()) {
482 out = out + "-" + country;
483 }
484
485 if (!variant.empty()) {
486 out = out + "-" + variant;
487 }
488
489 return out;
490 }
491
492 const std::string productLocale = GetProperty("ro.product.locale", "");
493 if (!productLocale.empty()) {
494 return productLocale;
495 }
496
497 // If persist.sys.locale and ro.product.locale are missing,
498 // construct a locale value from the individual locale components.
499 const std::string productLanguage = GetProperty("ro.product.locale.language", "en");
500 const std::string productRegion = GetProperty("ro.product.locale.region", "US");
501
502 return productLanguage + "-" + productRegion;
503 }
504
addOption(const char * optionString,void * extraInfo)505 void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
506 {
507 JavaVMOption opt;
508 opt.optionString = optionString;
509 opt.extraInfo = extraInfo;
510 mOptions.add(opt);
511 }
512
513 /*
514 * Parse a property containing space-separated options that should be
515 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
516 *
517 * This will cut up "extraOptsBuf" as we chop it into individual options.
518 *
519 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
520 *
521 * Adds the strings, if any, to mOptions.
522 */
parseExtraOpts(char * extraOptsBuf,const char * quotingArg)523 void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
524 {
525 char* start = extraOptsBuf;
526 char* end = NULL;
527 while (*start != '\0') {
528 while (*start == ' ') /* skip leading whitespace */
529 start++;
530 if (*start == '\0') /* was trailing ws, bail */
531 break;
532
533 end = start+1;
534 while (*end != ' ' && *end != '\0') /* find end of token */
535 end++;
536 if (*end == ' ')
537 *end++ = '\0'; /* mark end, advance to indicate more */
538
539 if (quotingArg != NULL) {
540 addOption(quotingArg);
541 }
542 addOption(start);
543 start = end;
544 }
545 }
546
547 /*
548 * Reads a "property" into "buffer" with a default of "defaultArg". If
549 * the property is non-empty, it is treated as a runtime option such
550 * as "-Xmx32m".
551 *
552 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
553 *
554 * If an argument is found, it is added to mOptions.
555 *
556 * If an option is found, it is added to mOptions and true is
557 * returned. Otherwise false is returned.
558 */
parseRuntimeOption(const char * property,char * buffer,const char * runtimeArg,const char * defaultArg)559 bool AndroidRuntime::parseRuntimeOption(const char* property,
560 char* buffer,
561 const char* runtimeArg,
562 const char* defaultArg)
563 {
564 strcpy(buffer, runtimeArg);
565 size_t runtimeArgLen = strlen(runtimeArg);
566 property_get(property, buffer+runtimeArgLen, defaultArg);
567 if (buffer[runtimeArgLen] == '\0') {
568 return false;
569 }
570 addOption(buffer);
571 return true;
572 }
573
574 /*
575 * Reads a "property" into "buffer". If the property is non-empty, it
576 * is treated as a dex2oat compiler option that should be
577 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=assume-verified".
578 *
579 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
580 *
581 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
582 *
583 * If an option is found, it is added to mOptions and true is
584 * returned. Otherwise false is returned.
585 */
parseCompilerOption(const char * property,char * buffer,const char * compilerArg,const char * quotingArg)586 bool AndroidRuntime::parseCompilerOption(const char* property,
587 char* buffer,
588 const char* compilerArg,
589 const char* quotingArg)
590 {
591 strcpy(buffer, compilerArg);
592 size_t compilerArgLen = strlen(compilerArg);
593 property_get(property, buffer+compilerArgLen, "");
594 if (buffer[compilerArgLen] == '\0') {
595 return false;
596 }
597 addOption(quotingArg);
598 addOption(buffer);
599 return true;
600 }
601
602 /*
603 * Reads a "property" into "buffer". If the property is non-empty, it
604 * is treated as a dex2oat compiler runtime option that should be
605 * passed as a quoted option, e.g. "-Ximage-compiler-option
606 * --runtime-arg -Ximage-compiler-option -Xmx32m".
607 *
608 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
609 *
610 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
611 *
612 * If an option is found, it is added to mOptions and true is
613 * returned. Otherwise false is returned.
614 */
parseCompilerRuntimeOption(const char * property,char * buffer,const char * runtimeArg,const char * quotingArg)615 bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
616 char* buffer,
617 const char* runtimeArg,
618 const char* quotingArg)
619 {
620 strcpy(buffer, runtimeArg);
621 size_t runtimeArgLen = strlen(runtimeArg);
622 property_get(property, buffer+runtimeArgLen, "");
623 if (buffer[runtimeArgLen] == '\0') {
624 return false;
625 }
626 addOption(quotingArg);
627 addOption("--runtime-arg");
628 addOption(quotingArg);
629 addOption(buffer);
630 return true;
631 }
632
633 /*
634 * Start the Dalvik Virtual Machine.
635 *
636 * Various arguments, most determined by system properties, are passed in.
637 * The "mOptions" vector is updated.
638 *
639 * CAUTION: when adding options in here, be careful not to put the
640 * char buffer inside a nested scope. Adding the buffer to the
641 * options using mOptions.add() does not copy the buffer, so if the
642 * buffer goes out of scope the option may be overwritten. It's best
643 * to put the buffer at the top of the function so that it is more
644 * unlikely that someone will surround it in a scope at a later time
645 * and thus introduce a bug.
646 *
647 * Returns 0 on success.
648 */
startVm(JavaVM ** pJavaVM,JNIEnv ** pEnv,bool zygote,bool primary_zygote)649 int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote, bool primary_zygote)
650 {
651 JavaVMInitArgs initArgs;
652 char propBuf[PROPERTY_VALUE_MAX];
653 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
654 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
655 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
656 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
657 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
658 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
659 char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX];
660 char jitpthreadpriorityOptsBuf[sizeof("-Xjitpthreadpriority:")-1 + PROPERTY_VALUE_MAX];
661 char jitmaxsizeOptsBuf[sizeof("-Xjitmaxsize:")-1 + PROPERTY_VALUE_MAX];
662 char jitinitialsizeOptsBuf[sizeof("-Xjitinitialsize:")-1 + PROPERTY_VALUE_MAX];
663 char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX];
664 char jitprithreadweightOptBuf[sizeof("-Xjitprithreadweight:")-1 + PROPERTY_VALUE_MAX];
665 char jittransitionweightOptBuf[sizeof("-Xjittransitionweight:")-1 + PROPERTY_VALUE_MAX];
666 char hotstartupsamplesOptsBuf[sizeof("-Xps-hot-startup-method-samples:")-1 + PROPERTY_VALUE_MAX];
667 char saveResolvedClassesDelayMsOptsBuf[
668 sizeof("-Xps-save-resolved-classes-delay-ms:")-1 + PROPERTY_VALUE_MAX];
669 char profileMinSavePeriodOptsBuf[sizeof("-Xps-min-save-period-ms:")-1 + PROPERTY_VALUE_MAX];
670 char profileMinFirstSaveOptsBuf[sizeof("-Xps-min-first-save-ms:") - 1 + PROPERTY_VALUE_MAX];
671 char profileInlineCacheThresholdOptsBuf[
672 sizeof("-Xps-inline-cache-threshold:") - 1 + PROPERTY_VALUE_MAX];
673 char madviseWillNeedFileSizeVdex[
674 sizeof("-XMadviseWillNeedVdexFileSize:")-1 + PROPERTY_VALUE_MAX];
675 char madviseWillNeedFileSizeOdex[
676 sizeof("-XMadviseWillNeedOdexFileSize:")-1 + PROPERTY_VALUE_MAX];
677 char madviseWillNeedFileSizeArt[
678 sizeof("-XMadviseWillNeedArtFileSize:")-1 + PROPERTY_VALUE_MAX];
679 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
680 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
681 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
682 char foregroundHeapGrowthMultiplierOptsBuf[
683 sizeof("-XX:ForegroundHeapGrowthMultiplier=")-1 + PROPERTY_VALUE_MAX];
684 char finalizerTimeoutMsOptsBuf[sizeof("-XX:FinalizerTimeoutMs=")-1 + PROPERTY_VALUE_MAX];
685 char threadSuspendTimeoutOptsBuf[sizeof("-XX:ThreadSuspendTimeout=")-1 + PROPERTY_VALUE_MAX];
686 char cachePruneBuf[sizeof("-Xzygote-max-boot-retry=")-1 + PROPERTY_VALUE_MAX];
687 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
688 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
689 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
690 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
691 char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
692 char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
693 char dex2oatCpuSetBuf[sizeof("--cpu-set=")-1 + PROPERTY_VALUE_MAX];
694 char dex2oatCpuSetImageBuf[sizeof("--cpu-set=")-1 + PROPERTY_VALUE_MAX];
695 char dex2oat_isa_variant_key[PROPERTY_KEY_MAX];
696 char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX];
697 char dex2oat_isa_features_key[PROPERTY_KEY_MAX];
698 char dex2oat_isa_features[sizeof("--instruction-set-features=") -1 + PROPERTY_VALUE_MAX];
699 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
700 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
701 char extraOptsBuf[PROPERTY_VALUE_MAX];
702 char perfettoHprofOptBuf[sizeof("-XX:PerfettoHprof=") + PROPERTY_VALUE_MAX];
703 char perfettoJavaHeapStackOptBuf[
704 sizeof("-XX:PerfettoJavaHeapStackProf=") + PROPERTY_VALUE_MAX];
705 enum {
706 kEMDefault,
707 kEMIntPortable,
708 kEMIntFast,
709 kEMJitCompiler,
710 } executionMode = kEMDefault;
711 char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX];
712 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
713 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
714 char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX];
715 char corePlatformApiPolicyBuf[sizeof("-Xcore-platform-api-policy:") + PROPERTY_VALUE_MAX];
716 char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX];
717 char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX];
718 std::string fingerprintBuf;
719 char javaZygoteForkLoopBuf[sizeof("-XX:ForceJavaZygoteForkLoop=") + PROPERTY_VALUE_MAX];
720 char jdwpProviderBuf[sizeof("-XjdwpProvider:") - 1 + PROPERTY_VALUE_MAX];
721 char opaqueJniIds[sizeof("-Xopaque-jni-ids:") - 1 + PROPERTY_VALUE_MAX];
722 char bootImageBuf[sizeof("-Ximage:") - 1 + PROPERTY_VALUE_MAX];
723
724 // Read if we are using the profile configuration, do this at the start since the last ART args
725 // take precedence.
726 std::string profile_boot_class_path_flag =
727 server_configurable_flags::GetServerConfigurableFlag(RUNTIME_NATIVE_BOOT_NAMESPACE,
728 PROFILE_BOOT_CLASS_PATH,
729 /*default_value=*/"");
730 bool profile_boot_class_path;
731 switch (ParseBool(profile_boot_class_path_flag)) {
732 case ParseBoolResult::kError:
733 // Default to the system property.
734 profile_boot_class_path =
735 GetBoolProperty("dalvik.vm.profilebootclasspath", /*default_value=*/false);
736 break;
737 case ParseBoolResult::kTrue:
738 profile_boot_class_path = true;
739 break;
740 case ParseBoolResult::kFalse:
741 profile_boot_class_path = false;
742 break;
743 }
744 if (profile_boot_class_path) {
745 addOption("-Xcompiler-option");
746 addOption("--count-hotness-in-compiled-code");
747 addOption("-Xps-profile-boot-class-path");
748 addOption("-Xps-profile-aot-code");
749 addOption("-Xjitsaveprofilinginfo");
750 }
751
752 std::string use_jitzygote_image_flag =
753 server_configurable_flags::GetServerConfigurableFlag(RUNTIME_NATIVE_BOOT_NAMESPACE,
754 ENABLE_JITZYGOTE_IMAGE,
755 /*default_value=*/"");
756 // Use the APEX boot image for boot class path profiling to get JIT samples on BCP methods.
757 // Also use the APEX boot image if it's explicitly enabled via configuration flag.
758 const bool use_apex_image = profile_boot_class_path || (use_jitzygote_image_flag == "true");
759 if (use_apex_image) {
760 ALOGI("Using JIT Zygote image: '%s'\n", kJitZygoteImageOption);
761 addOption(kJitZygoteImageOption);
762 } else if (parseRuntimeOption("dalvik.vm.boot-image", bootImageBuf, "-Ximage:")) {
763 ALOGI("Using dalvik.vm.boot-image: '%s'\n", bootImageBuf);
764 } else {
765 ALOGI("Using default boot image");
766 }
767
768 std::string disable_lock_profiling =
769 server_configurable_flags::GetServerConfigurableFlag(RUNTIME_NATIVE_BOOT_NAMESPACE,
770 DISABLE_LOCK_PROFILING,
771 /*default_value=*/ "");
772 if (disable_lock_profiling == "true") {
773 addOption(kLockProfThresholdRuntimeOption);
774 ALOGI("Disabling lock profiling: '%s'\n", kLockProfThresholdRuntimeOption);
775 } else {
776 ALOGI("Leaving lock profiling enabled");
777 }
778
779 const bool checkJni = GetBoolProperty("dalvik.vm.checkjni", false);
780 if (checkJni) {
781 ALOGD("CheckJNI is ON");
782
783 /* extended JNI checking */
784 addOption("-Xcheck:jni");
785
786 /* with -Xcheck:jni, this provides a JNI function call trace */
787 //addOption("-verbose:jni");
788 }
789
790 const bool odsignVerificationSuccess = GetBoolProperty("odsign.verification.success", false);
791 if (!odsignVerificationSuccess) {
792 addOption("-Xdeny-art-apex-data-files");
793 }
794
795 property_get("dalvik.vm.execution-mode", propBuf, "");
796 if (strcmp(propBuf, "int:portable") == 0) {
797 executionMode = kEMIntPortable;
798 } else if (strcmp(propBuf, "int:fast") == 0) {
799 executionMode = kEMIntFast;
800 } else if (strcmp(propBuf, "int:jit") == 0) {
801 executionMode = kEMJitCompiler;
802 }
803
804 strcpy(jniOptsBuf, "-Xjniopts:");
805 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
806 ALOGI("JNI options: '%s'\n", jniOptsBuf);
807 }
808
809 /* route exit() to our handler */
810 addOption("exit", (void*) runtime_exit);
811
812 /* route fprintf() to our handler */
813 addOption("vfprintf", (void*) runtime_vfprintf);
814
815 /* register the framework-specific "is sensitive thread" hook */
816 addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
817
818 /* enable verbose; standard options are { jni, gc, class } */
819 //addOption("-verbose:jni");
820 addOption("-verbose:gc");
821 //addOption("-verbose:class");
822
823 // On Android, we always want to allow loading the PerfettoHprof plugin.
824 // Even with this option set, we will still only actually load the plugin
825 // if we are on a userdebug build or the app is debuggable or profileable.
826 // This is enforced in art/runtime/runtime.cc.
827 //
828 // We want to be able to disable this, because this does not work on host,
829 // and we do not want to enable it in tests.
830 parseRuntimeOption("dalvik.vm.perfetto_hprof", perfettoHprofOptBuf, "-XX:PerfettoHprof=",
831 "true");
832
833 // Enable PerfettoJavaHeapStackProf in the zygote
834 parseRuntimeOption("dalvik.vm.perfetto_javaheap", perfettoJavaHeapStackOptBuf,
835 "-XX:PerfettoJavaHeapStackProf=", "true");
836
837 if (primary_zygote) {
838 addOption("-Xprimaryzygote");
839 }
840
841 /*
842 * The default starting and maximum size of the heap. Larger
843 * values should be specified in a product property override.
844 */
845 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
846 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
847
848 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
849 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
850 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
851 parseRuntimeOption("dalvik.vm.heaptargetutilization",
852 heaptargetutilizationOptsBuf,
853 "-XX:HeapTargetUtilization=");
854
855 /* Foreground heap growth multiplier option */
856 parseRuntimeOption("dalvik.vm.foreground-heap-growth-multiplier",
857 foregroundHeapGrowthMultiplierOptsBuf,
858 "-XX:ForegroundHeapGrowthMultiplier=");
859 /*
860 * Finalizer and thread suspend timeouts.
861 */
862 parseRuntimeOption("dalvik.vm.finalizer-timeout-ms",
863 finalizerTimeoutMsOptsBuf,
864 "-XX:FinalizerTimeoutMs=");
865 parseRuntimeOption("dalvik.vm.thread-suspend-timeout-ms",
866 threadSuspendTimeoutOptsBuf,
867 "-XX:ThreadSuspendTimeout=");
868 /*
869 * JIT related options.
870 */
871 parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:");
872 parseRuntimeOption("dalvik.vm.jitmaxsize", jitmaxsizeOptsBuf, "-Xjitmaxsize:");
873 parseRuntimeOption("dalvik.vm.jitinitialsize", jitinitialsizeOptsBuf, "-Xjitinitialsize:");
874 parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:");
875 parseRuntimeOption("dalvik.vm.jitpthreadpriority",
876 jitpthreadpriorityOptsBuf,
877 "-Xjitpthreadpriority:");
878 addOption("-Xjitsaveprofilinginfo");
879
880 parseRuntimeOption("dalvik.vm.jitprithreadweight",
881 jitprithreadweightOptBuf,
882 "-Xjitprithreadweight:");
883
884 parseRuntimeOption("dalvik.vm.jittransitionweight", jittransitionweightOptBuf,
885 "-Xjittransitionweight:");
886
887 /*
888 * Use default platform configuration as limits for madvising,
889 * when no properties are specified.
890 */
891 parseRuntimeOption("dalvik.vm.madvise.vdexfile.size",
892 madviseWillNeedFileSizeVdex,
893 "-XMadviseWillNeedVdexFileSize:");
894
895 parseRuntimeOption("dalvik.vm.madvise.odexfile.size",
896 madviseWillNeedFileSizeOdex,
897 "-XMadviseWillNeedOdexFileSize:");
898
899 // Historically, dalvik.vm.madvise.artfile.size was set to UINT_MAX by default. With the
900 // disable_madvise_art_default flag rollout, we use this default only when the flag is disabled.
901 // TODO(b/382110550): Remove this property/flag entirely after validating and ramping.
902 const char* madvise_artfile_size_default =
903 android::os::disable_madvise_artfile_default() ? "" : "4294967295";
904 parseRuntimeOption("dalvik.vm.madvise.artfile.size", madviseWillNeedFileSizeArt,
905 "-XMadviseWillNeedArtFileSize:", madvise_artfile_size_default);
906
907 /*
908 * Profile related options.
909 */
910 parseRuntimeOption("dalvik.vm.hot-startup-method-samples", hotstartupsamplesOptsBuf,
911 "-Xps-hot-startup-method-samples:");
912
913 parseRuntimeOption("dalvik.vm.ps-resolved-classes-delay-ms", saveResolvedClassesDelayMsOptsBuf,
914 "-Xps-save-resolved-classes-delay-ms:");
915
916 parseRuntimeOption("dalvik.vm.ps-min-save-period-ms", profileMinSavePeriodOptsBuf,
917 "-Xps-min-save-period-ms:");
918
919 parseRuntimeOption("dalvik.vm.ps-min-first-save-ms", profileMinFirstSaveOptsBuf,
920 "-Xps-min-first-save-ms:");
921
922 parseRuntimeOption("dalvik.vm.ps-inline-cache-threshold", profileInlineCacheThresholdOptsBuf,
923 "-Xps-inline-cache-threshold:");
924
925 property_get("ro.config.low_ram", propBuf, "");
926 if (strcmp(propBuf, "true") == 0) {
927 addOption("-XX:LowMemoryMode");
928 }
929
930 /*
931 * Garbage-collection related options.
932 */
933 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
934
935 // If it set, honor the "enable_generational_cc" device configuration;
936 // otherwise, let the runtime use its default behavior.
937 std::string enable_generational_cc =
938 server_configurable_flags::GetServerConfigurableFlag(RUNTIME_NATIVE_BOOT_NAMESPACE,
939 ENABLE_GENERATIONAL_CC,
940 /*default_value=*/ "");
941 if (enable_generational_cc == "true") {
942 addOption(kGenerationalCCRuntimeOption);
943 } else if (enable_generational_cc == "false") {
944 addOption(kNoGenerationalCCRuntimeOption);
945 }
946
947 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
948
949 /*
950 * Enable/disable zygote native fork loop.
951 */
952 parseRuntimeOption("dalvik.vm.force-java-zygote-fork-loop",
953 javaZygoteForkLoopBuf,
954 "-XX:ForceJavaZygoteForkLoop=");
955
956 /*
957 * Enable debugging only for apps forked from zygote.
958 */
959 if (zygote) {
960 // Set the JDWP provider and required arguments. By default let the runtime choose how JDWP is
961 // implemented. When this is not set the runtime defaults to not allowing JDWP.
962 addOption("-XjdwpOptions:suspend=n,server=y");
963 parseRuntimeOption("dalvik.vm.jdwp-provider",
964 jdwpProviderBuf,
965 "-XjdwpProvider:",
966 "default");
967 }
968
969 // Only pass an explicit opaque-jni-ids to apps forked from zygote
970 if (zygote) {
971 parseRuntimeOption("dalvik.vm.opaque-jni-ids",
972 opaqueJniIds,
973 "-Xopaque-jni-ids:",
974 "swapable");
975 }
976
977 parseRuntimeOption("dalvik.vm.lockprof.threshold",
978 lockProfThresholdBuf,
979 "-Xlockprofthreshold:");
980
981 if (executionMode == kEMIntPortable) {
982 addOption("-Xint:portable");
983 } else if (executionMode == kEMIntFast) {
984 addOption("-Xint:fast");
985 } else if (executionMode == kEMJitCompiler) {
986 addOption("-Xint:jit");
987 }
988
989 // Extra options for JIT.
990 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
991 "--compiler-filter=", "-Xcompiler-option");
992 parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option");
993 parseCompilerOption("dalvik.vm.dex2oat-cpu-set", dex2oatCpuSetBuf, "--cpu-set=",
994 "-Xcompiler-option");
995
996 // Copy the variant.
997 sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", ABI_STRING);
998 parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
999 "--instruction-set-variant=", "-Xcompiler-option");
1000 // Copy the features.
1001 sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", ABI_STRING);
1002 parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
1003 "--instruction-set-features=", "-Xcompiler-option");
1004
1005 /*
1006 * When running with debug.generate-debug-info, add --generate-debug-info to the compiler
1007 * options so that both JITted code and the boot image, if it is compiled on device, will
1008 * include native debugging information.
1009 */
1010 property_get("debug.generate-debug-info", propBuf, "");
1011 bool generate_debug_info = (strcmp(propBuf, "true") == 0);
1012 if (generate_debug_info) {
1013 addOption("-Xcompiler-option");
1014 addOption("--generate-debug-info");
1015 }
1016
1017 // The mini-debug-info makes it possible to backtrace through compiled code.
1018 bool generate_mini_debug_info = property_get_bool("dalvik.vm.minidebuginfo", 0);
1019 if (generate_mini_debug_info) {
1020 addOption("-Xcompiler-option");
1021 addOption("--generate-mini-debug-info");
1022 }
1023
1024 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
1025 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
1026
1027 /* extra options; parse this late so it overrides others */
1028 property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
1029 parseExtraOpts(extraOptsBuf, NULL);
1030
1031 // Extra options for boot image generation.
1032 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
1033 "-Xms", "-Ximage-compiler-option");
1034 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
1035 "-Xmx", "-Ximage-compiler-option");
1036
1037 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
1038 "--compiler-filter=", "-Ximage-compiler-option");
1039
1040 // If there are dirty-image-objects files, push them.
1041 const char* dirty_image_objects_options[] = {
1042 "--dirty-image-objects=/apex/com.android.art/etc/dirty-image-objects",
1043 "--dirty-image-objects=/system/etc/dirty-image-objects",
1044 };
1045 for (const char* option : dirty_image_objects_options) {
1046 // Get the file path by finding the first '/' and check if
1047 // this file exists.
1048 if (hasFile(strchr(option, '/'))) {
1049 addOption("-Ximage-compiler-option");
1050 addOption(option);
1051 }
1052 }
1053
1054 parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j",
1055 "-Ximage-compiler-option");
1056 parseCompilerOption("dalvik.vm.image-dex2oat-cpu-set", dex2oatCpuSetImageBuf, "--cpu-set=",
1057 "-Ximage-compiler-option");
1058
1059 // The runtime may compile a boot image, when necessary, not using installd. Thus, we need
1060 // to pass the instruction-set-features/variant as an image-compiler-option.
1061 // Note: it is OK to reuse the buffer, as the values are exactly the same between
1062 // * compiler-option, used for runtime compilation (DexClassLoader)
1063 // * image-compiler-option, used for boot-image compilation on device
1064 parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
1065 "--instruction-set-variant=", "-Ximage-compiler-option");
1066 parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
1067 "--instruction-set-features=", "-Ximage-compiler-option");
1068
1069 if (generate_debug_info) {
1070 addOption("-Ximage-compiler-option");
1071 addOption("--generate-debug-info");
1072 }
1073
1074 if (generate_mini_debug_info) {
1075 addOption("-Ximage-compiler-option");
1076 addOption("--generate-mini-debug-info");
1077 }
1078
1079 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
1080 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
1081
1082 /* Set the properties for locale */
1083 {
1084 strcpy(localeOption, "-Duser.locale=");
1085 const std::string locale = readLocale();
1086 strncat(localeOption, locale.c_str(), PROPERTY_VALUE_MAX);
1087 addOption(localeOption);
1088 }
1089
1090 // Trace files are stored in /data/misc/trace which is writable only in debug mode.
1091 property_get("ro.debuggable", propBuf, "0");
1092 if (strcmp(propBuf, "1") == 0) {
1093 property_get("dalvik.vm.method-trace", propBuf, "false");
1094 if (strcmp(propBuf, "true") == 0) {
1095 addOption("-Xmethod-trace");
1096 parseRuntimeOption("dalvik.vm.method-trace-file",
1097 methodTraceFileBuf,
1098 "-Xmethod-trace-file:");
1099 parseRuntimeOption("dalvik.vm.method-trace-file-siz",
1100 methodTraceFileSizeBuf,
1101 "-Xmethod-trace-file-size:");
1102 property_get("dalvik.vm.method-trace-stream", propBuf, "false");
1103 if (strcmp(propBuf, "true") == 0) {
1104 addOption("-Xmethod-trace-stream");
1105 }
1106 }
1107 }
1108
1109 // Native bridge library. "0" means that native bridge is disabled.
1110 //
1111 // Note: bridging is only enabled for the zygote. Other runs of
1112 // app_process may not have the permissions to mount etc.
1113 property_get("ro.dalvik.vm.native.bridge", propBuf, "");
1114 if (propBuf[0] == '\0') {
1115 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
1116 } else if (zygote && strcmp(propBuf, "0") != 0) {
1117 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
1118 "-XX:NativeBridge=%s", propBuf);
1119 addOption(nativeBridgeLibrary);
1120 }
1121
1122 #if defined(__LP64__)
1123 const char* cpu_abilist_property_name = "ro.product.cpu.abilist64";
1124 #else
1125 const char* cpu_abilist_property_name = "ro.product.cpu.abilist32";
1126 #endif // defined(__LP64__)
1127 property_get(cpu_abilist_property_name, propBuf, "");
1128 if (propBuf[0] == '\0') {
1129 ALOGE("%s is not expected to be empty", cpu_abilist_property_name);
1130 return -1;
1131 }
1132 snprintf(cpuAbiListBuf, sizeof(cpuAbiListBuf), "--cpu-abilist=%s", propBuf);
1133 addOption(cpuAbiListBuf);
1134
1135 // Dalvik-cache pruning counter.
1136 parseRuntimeOption("dalvik.vm.zygote.max-boot-retry", cachePruneBuf,
1137 "-Xzygote-max-boot-retry=");
1138
1139 // If set, the property below can be used to enable core platform API violation reporting.
1140 property_get("persist.debug.dalvik.vm.core_platform_api_policy", propBuf, "");
1141 if (propBuf[0] != '\0') {
1142 snprintf(corePlatformApiPolicyBuf,
1143 sizeof(corePlatformApiPolicyBuf),
1144 "-Xcore-platform-api-policy:%s",
1145 propBuf);
1146 addOption(corePlatformApiPolicyBuf);
1147 }
1148
1149 /*
1150 * Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will
1151 * contain the fingerprint and can be parsed.
1152 * Fingerprints are potentially longer than PROPERTY_VALUE_MAX, so parseRuntimeOption() cannot
1153 * be used here.
1154 * Do not ever re-assign fingerprintBuf as its c_str() value is stored in mOptions.
1155 */
1156 std::string fingerprint = GetProperty("ro.build.fingerprint", "");
1157 if (!fingerprint.empty()) {
1158 fingerprintBuf = "-Xfingerprint:" + fingerprint;
1159 addOption(fingerprintBuf.c_str());
1160 }
1161
1162 initArgs.version = JNI_VERSION_1_4;
1163 initArgs.options = mOptions.editArray();
1164 initArgs.nOptions = mOptions.size();
1165 initArgs.ignoreUnrecognized = JNI_FALSE;
1166
1167 /*
1168 * Initialize the VM.
1169 *
1170 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
1171 * If this call succeeds, the VM is ready, and we can start issuing
1172 * JNI calls.
1173 */
1174 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
1175 ALOGE("JNI_CreateJavaVM failed\n");
1176 return -1;
1177 }
1178
1179 return 0;
1180 }
1181
toSlashClassName(const char * className)1182 char* AndroidRuntime::toSlashClassName(const char* className)
1183 {
1184 char* result = strdup(className);
1185 for (char* cp = result; *cp != '\0'; cp++) {
1186 if (*cp == '.') {
1187 *cp = '/';
1188 }
1189 }
1190 return result;
1191 }
1192
1193 /** Create a Java string from an ASCII or Latin-1 string */
NewStringLatin1(JNIEnv * env,const char * bytes)1194 jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
1195 if (!bytes) return NULL;
1196 int length = strlen(bytes);
1197 jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
1198 if (!buffer) return NULL;
1199 jchar* chp = buffer;
1200 for (int i = 0; i < length; i++) {
1201 *chp++ = *bytes++;
1202 }
1203 return env->NewString(buffer, length);
1204 }
1205
1206
1207 /*
1208 * Start the Android runtime. This involves starting the virtual machine
1209 * and calling the "static void main(String[] args)" method in the class
1210 * named by "className".
1211 *
1212 * Passes the main function two arguments, the class name and the specified
1213 * options string.
1214 */
start(const char * className,const Vector<String8> & options,bool zygote)1215 void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote)
1216 {
1217 ALOGD(">>>>>> START %s uid %d <<<<<<\n",
1218 className != NULL ? className : "(unknown)", getuid());
1219
1220 static const String8 startSystemServer("start-system-server");
1221 // Whether this is the primary zygote, meaning the zygote which will fork system server.
1222 bool primary_zygote = false;
1223
1224 /*
1225 * 'startSystemServer == true' means runtime is obsolete and not run from
1226 * init.rc anymore, so we print out the boot start event here.
1227 */
1228 for (size_t i = 0; i < options.size(); ++i) {
1229 if (options[i] == startSystemServer) {
1230 primary_zygote = true;
1231 /* track our progress through the boot sequence */
1232 const int LOG_BOOT_PROGRESS_START = 3000;
1233 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
1234 }
1235 }
1236
1237 const char* rootDir = getenv("ANDROID_ROOT");
1238 if (rootDir == NULL) {
1239 rootDir = "/system";
1240 if (!hasDir("/system")) {
1241 LOG_FATAL("No root directory specified, and /system does not exist.");
1242 return;
1243 }
1244 setenv("ANDROID_ROOT", rootDir, 1);
1245 }
1246
1247 const char* artRootDir = getenv("ANDROID_ART_ROOT");
1248 if (artRootDir == NULL) {
1249 LOG_FATAL("No ART directory specified with ANDROID_ART_ROOT environment variable.");
1250 return;
1251 }
1252
1253 const char* i18nRootDir = getenv("ANDROID_I18N_ROOT");
1254 if (i18nRootDir == NULL) {
1255 LOG_FATAL("No runtime directory specified with ANDROID_I18N_ROOT environment variable.");
1256 return;
1257 }
1258
1259 const char* tzdataRootDir = getenv("ANDROID_TZDATA_ROOT");
1260 if (tzdataRootDir == NULL) {
1261 LOG_FATAL("No tz data directory specified with ANDROID_TZDATA_ROOT environment variable.");
1262 return;
1263 }
1264
1265 //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
1266 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
1267
1268 /* start the virtual machine */
1269 JniInvocation jni_invocation;
1270 jni_invocation.Init(NULL);
1271 JNIEnv* env;
1272 if (startVm(&mJavaVM, &env, zygote, primary_zygote) != 0) {
1273 return;
1274 }
1275 onVmCreated(env);
1276
1277 /*
1278 * Register android functions.
1279 */
1280 if (startReg(env) < 0) {
1281 ALOGE("Unable to register all android natives\n");
1282 return;
1283 }
1284
1285 /*
1286 * We want to call main() with a String array with arguments in it.
1287 * At present we have two arguments, the class name and an option string.
1288 * Create an array to hold them.
1289 */
1290 jclass stringClass;
1291 jobjectArray strArray;
1292 jstring classNameStr;
1293
1294 stringClass = env->FindClass("java/lang/String");
1295 assert(stringClass != NULL);
1296 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
1297 assert(strArray != NULL);
1298 classNameStr = env->NewStringUTF(className);
1299 assert(classNameStr != NULL);
1300 env->SetObjectArrayElement(strArray, 0, classNameStr);
1301
1302 for (size_t i = 0; i < options.size(); ++i) {
1303 jstring optionsStr = env->NewStringUTF(options.itemAt(i).c_str());
1304 assert(optionsStr != NULL);
1305 env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1306 }
1307
1308 /*
1309 * Start VM. This thread becomes the main thread of the VM, and will
1310 * not return until the VM exits.
1311 */
1312 char* slashClassName = toSlashClassName(className != NULL ? className : "");
1313 jclass startClass = env->FindClass(slashClassName);
1314 if (startClass == NULL) {
1315 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1316 /* keep going */
1317 } else {
1318 jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1319 "([Ljava/lang/String;)V");
1320 if (startMeth == NULL) {
1321 ALOGE("JavaVM unable to find main() in '%s'\n", className);
1322 /* keep going */
1323 } else {
1324 env->CallStaticVoidMethod(startClass, startMeth, strArray);
1325
1326 #if 0
1327 if (env->ExceptionCheck())
1328 threadExitUncaughtException(env);
1329 #endif
1330 }
1331 }
1332 free(slashClassName);
1333
1334 ALOGD("Shutting down VM\n");
1335 if (mJavaVM->DetachCurrentThread() != JNI_OK)
1336 ALOGW("Warning: unable to detach main thread\n");
1337 if (mJavaVM->DestroyJavaVM() != 0)
1338 ALOGW("Warning: VM did not shut down cleanly\n");
1339 }
1340
exit(int code)1341 void AndroidRuntime::exit(int code)
1342 {
1343 if (mExitWithoutCleanup) {
1344 ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1345 } else {
1346 ALOGI("VM exiting with result code %d.", code);
1347 onExit(code);
1348 }
1349
1350 #ifdef __ANDROID_CLANG_COVERAGE__
1351 // When compiled with coverage, a function is registered with atexit to call
1352 // `__llvm_profile_write_file` when the process exit.
1353 // For Clang code coverage to work, call exit instead of _exit to run hooks
1354 // registered with atexit.
1355 ::exit(code);
1356 #else
1357 ::_exit(code);
1358 #endif
1359 }
1360
onVmCreated(JNIEnv * env)1361 void AndroidRuntime::onVmCreated(JNIEnv* env)
1362 {
1363 // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1364 }
1365
getJavaVM()1366 /*static*/ JavaVM* AndroidRuntime::getJavaVM() {
1367 return AndroidRuntime::mJavaVM;
1368 }
1369
AndroidRuntimeGetJavaVM()1370 extern "C" JavaVM* AndroidRuntimeGetJavaVM() {
1371 return AndroidRuntime::getJavaVM();
1372 }
1373
1374 /*
1375 * Get the JNIEnv pointer for this thread.
1376 *
1377 * Returns NULL if the slot wasn't allocated or populated.
1378 */
getJNIEnv()1379 /*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1380 {
1381 JNIEnv* env;
1382 JavaVM* vm = AndroidRuntime::getJavaVM();
1383 assert(vm != NULL);
1384
1385 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1386 return NULL;
1387 return env;
1388 }
1389
1390 /*
1391 * Makes the current thread visible to the VM.
1392 *
1393 * The JNIEnv pointer returned is only valid for the current thread, and
1394 * thus must be tucked into thread-local storage.
1395 */
javaAttachThread(const char * threadName,JNIEnv ** pEnv)1396 static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1397 {
1398 JavaVMAttachArgs args;
1399 JavaVM* vm;
1400 jint result;
1401
1402 vm = AndroidRuntime::getJavaVM();
1403 assert(vm != NULL);
1404
1405 args.version = JNI_VERSION_1_4;
1406 args.name = (char*) threadName;
1407 args.group = NULL;
1408
1409 result = vm->AttachCurrentThread(pEnv, (void*) &args);
1410 if (result != JNI_OK)
1411 ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1412
1413 return result;
1414 }
1415
1416 /*
1417 * Detach the current thread from the set visible to the VM.
1418 */
javaDetachThread(void)1419 static int javaDetachThread(void)
1420 {
1421 JavaVM* vm;
1422 jint result;
1423
1424 vm = AndroidRuntime::getJavaVM();
1425 assert(vm != NULL);
1426
1427 result = vm->DetachCurrentThread();
1428 if (result != JNI_OK)
1429 ALOGE("ERROR: thread detach failed\n");
1430 return result;
1431 }
1432
1433 /*
1434 * When starting a native thread that will be visible from the VM, we
1435 * bounce through this to get the right attach/detach action.
1436 * Note that this function calls free(args)
1437 */
javaThreadShell(void * args)1438 /*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1439 void* start = ((void**)args)[0];
1440 void* userData = ((void **)args)[1];
1441 char* name = (char*) ((void **)args)[2]; // we own this storage
1442 free(args);
1443 JNIEnv* env;
1444 int result;
1445
1446 /* hook us into the VM */
1447 if (javaAttachThread(name, &env) != JNI_OK)
1448 return -1;
1449
1450 /* start the thread running */
1451 result = (*(android_thread_func_t)start)(userData);
1452
1453 /* unhook us */
1454 javaDetachThread();
1455 free(name);
1456
1457 return result;
1458 }
1459
1460 /*
1461 * This is invoked from androidCreateThreadEtc() via the callback
1462 * set with androidSetCreateThreadFunc().
1463 *
1464 * We need to create the new thread in such a way that it gets hooked
1465 * into the VM before it really starts executing.
1466 */
javaCreateThreadEtc(android_thread_func_t entryFunction,void * userData,const char * threadName,int32_t threadPriority,size_t threadStackSize,android_thread_id_t * threadId)1467 /*static*/ int AndroidRuntime::javaCreateThreadEtc(
1468 android_thread_func_t entryFunction,
1469 void* userData,
1470 const char* threadName,
1471 int32_t threadPriority,
1472 size_t threadStackSize,
1473 android_thread_id_t* threadId)
1474 {
1475 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free
1476 int result;
1477
1478 LOG_ALWAYS_FATAL_IF(threadName == nullptr, "threadName not provided to javaCreateThreadEtc");
1479
1480 args[0] = (void*) entryFunction;
1481 args[1] = userData;
1482 args[2] = (void*) strdup(threadName); // javaThreadShell must free
1483
1484 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1485 threadName, threadPriority, threadStackSize, threadId);
1486 return result;
1487 }
1488
1489 /*
1490 * Create a thread that is visible from the VM.
1491 *
1492 * This is called from elsewhere in the library.
1493 */
createJavaThread(const char * name,void (* start)(void *),void * arg)1494 /*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1495 void (*start)(void *), void* arg)
1496 {
1497 android_thread_id_t threadId = 0;
1498 javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1499 ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1500 return threadId;
1501 }
1502
1503 #if 0
1504 static void quickTest(void* arg)
1505 {
1506 const char* str = (const char*) arg;
1507
1508 printf("In quickTest: %s\n", str);
1509 }
1510 #endif
1511
1512 #ifdef NDEBUG
1513 #define REG_JNI(name) { name }
1514 struct RegJNIRec {
1515 int (*mProc)(JNIEnv*);
1516 };
1517 #else
1518 #define REG_JNI(name) { name, #name }
1519 struct RegJNIRec {
1520 int (*mProc)(JNIEnv*);
1521 const char* mName;
1522 };
1523 #endif
1524
1525 typedef void (*RegJAMProc)();
1526
register_jni_procs(const RegJNIRec array[],size_t count,JNIEnv * env)1527 static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1528 {
1529 for (size_t i = 0; i < count; i++) {
1530 if (array[i].mProc(env) < 0) {
1531 #ifndef NDEBUG
1532 ALOGD("----------!!! %s failed to load\n", array[i].mName);
1533 #endif
1534 return -1;
1535 }
1536 }
1537 return 0;
1538 }
1539
1540 static const RegJNIRec gRegJNI[] = {
1541 REG_JNI(register_com_android_internal_os_ApplicationSharedMemory),
1542 REG_JNI(register_com_android_internal_os_RuntimeInit),
1543 REG_JNI(register_com_android_internal_os_ZygoteInit_nativeZygoteInit),
1544 REG_JNI(register_android_os_SystemClock),
1545 REG_JNI(register_android_util_CharsetUtils),
1546 REG_JNI(register_android_util_EventLog),
1547 REG_JNI(register_android_util_Log),
1548 REG_JNI(register_android_util_MemoryIntArray),
1549 REG_JNI(register_android_app_admin_SecurityLog),
1550 REG_JNI(register_android_content_AssetManager),
1551 REG_JNI(register_android_content_StringBlock),
1552 REG_JNI(register_android_content_XmlBlock),
1553 REG_JNI(register_android_content_res_ApkAssets),
1554 REG_JNI(register_android_content_res_ResourceTimer),
1555 REG_JNI(register_android_text_AndroidCharacter),
1556 REG_JNI(register_android_text_Hyphenator),
1557 REG_JNI(register_android_view_InputDevice),
1558 REG_JNI(register_android_view_KeyCharacterMap),
1559 REG_JNI(register_android_os_Process),
1560 REG_JNI(register_android_os_SystemProperties),
1561 REG_JNI(register_android_os_Binder),
1562 REG_JNI(register_android_os_Parcel),
1563 REG_JNI(register_android_os_PerformanceHintManager),
1564 REG_JNI(register_android_os_HidlMemory),
1565 REG_JNI(register_android_os_HidlSupport),
1566 REG_JNI(register_android_os_HwBinder),
1567 REG_JNI(register_android_os_HwBlob),
1568 REG_JNI(register_android_os_HwParcel),
1569 REG_JNI(register_android_os_HwRemoteBinder),
1570 REG_JNI(register_android_os_NativeHandle),
1571 REG_JNI(register_android_os_ServiceManager),
1572 REG_JNI(register_android_os_ServiceManagerNative),
1573 REG_JNI(register_android_os_storage_StorageManager),
1574 REG_JNI(register_android_service_DataLoaderService),
1575 REG_JNI(register_android_view_DisplayEventReceiver),
1576 REG_JNI(register_android_view_Surface),
1577 REG_JNI(register_android_view_SurfaceControl),
1578 REG_JNI(register_android_view_SurfaceControlActivePictureListener),
1579 REG_JNI(register_android_view_SurfaceControlHdrLayerInfoListener),
1580 REG_JNI(register_android_view_SurfaceSession),
1581 REG_JNI(register_android_view_InputApplicationHandle),
1582 // This must be called after register_android_view_SurfaceControl since it has a dependency
1583 // on the Java SurfaceControl object that references a native resource via static request.
1584 REG_JNI(register_android_view_InputWindowHandle),
1585 REG_JNI(register_android_view_CompositionSamplingListener),
1586 REG_JNI(register_android_view_TextureView),
1587 REG_JNI(register_android_view_TunnelModeEnabledListener),
1588 REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1589 REG_JNI(register_com_google_android_gles_jni_GLImpl),
1590 REG_JNI(register_android_opengl_jni_EGL14),
1591 REG_JNI(register_android_opengl_jni_EGL15),
1592 REG_JNI(register_android_opengl_jni_EGLExt),
1593 REG_JNI(register_android_opengl_jni_GLES10),
1594 REG_JNI(register_android_opengl_jni_GLES10Ext),
1595 REG_JNI(register_android_opengl_jni_GLES11),
1596 REG_JNI(register_android_opengl_jni_GLES11Ext),
1597 REG_JNI(register_android_opengl_jni_GLES20),
1598 REG_JNI(register_android_opengl_jni_GLES30),
1599 REG_JNI(register_android_opengl_jni_GLES31),
1600 REG_JNI(register_android_opengl_jni_GLES31Ext),
1601 REG_JNI(register_android_opengl_jni_GLES32),
1602 REG_JNI(register_android_graphics_classes),
1603 REG_JNI(register_android_graphics_BLASTBufferQueue),
1604 REG_JNI(register_android_graphics_GraphicBuffer),
1605 REG_JNI(register_android_graphics_GraphicsStatsService),
1606 REG_JNI(register_android_graphics_SurfaceTexture),
1607 REG_JNI(register_android_database_CursorWindow),
1608 REG_JNI(register_android_database_SQLiteConnection),
1609 REG_JNI(register_android_database_SQLiteGlobal),
1610 REG_JNI(register_android_database_SQLiteDebug),
1611 REG_JNI(register_android_database_SQLiteRawStatement),
1612 REG_JNI(register_android_os_Debug),
1613 REG_JNI(register_android_os_FileObserver),
1614 REG_JNI(register_android_os_GraphicsEnvironment),
1615 REG_JNI(register_android_os_MessageQueue),
1616 REG_JNI(register_android_os_SELinux),
1617 REG_JNI(register_android_os_PerfettoTrace),
1618 REG_JNI(register_android_os_PerfettoTrackEventExtra),
1619 REG_JNI(register_android_os_Trace),
1620 REG_JNI(register_android_os_UEventObserver),
1621 REG_JNI(register_android_net_LocalSocketImpl),
1622 REG_JNI(register_android_os_MemoryFile),
1623 REG_JNI(register_android_os_SharedMemory),
1624 REG_JNI(register_android_os_incremental_IncrementalManager),
1625 REG_JNI(register_com_android_internal_content_om_OverlayConfig),
1626 REG_JNI(register_com_android_internal_content_om_OverlayManagerImpl),
1627 REG_JNI(register_com_android_internal_net_NetworkUtilsInternal),
1628 REG_JNI(register_com_android_internal_os_ClassLoaderFactory),
1629 REG_JNI(register_com_android_internal_os_DebugStore),
1630 REG_JNI(register_com_android_internal_os_LongArrayMultiStateCounter),
1631 REG_JNI(register_com_android_internal_os_LongMultiStateCounter),
1632 REG_JNI(register_com_android_internal_os_Zygote),
1633 REG_JNI(register_com_android_internal_os_ZygoteCommandBuffer),
1634 REG_JNI(register_com_android_internal_os_ZygoteInit),
1635 REG_JNI(register_com_android_internal_security_VerityUtils),
1636 REG_JNI(register_com_android_internal_util_ArrayUtils),
1637 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1638 REG_JNI(register_android_hardware_Camera),
1639 REG_JNI(register_android_hardware_camera2_CameraMetadata),
1640 REG_JNI(register_android_hardware_camera2_CameraDevice),
1641 REG_JNI(register_android_hardware_camera2_DngCreator),
1642 REG_JNI(register_android_hardware_camera2_impl_CameraExtensionJpegProcessor),
1643 REG_JNI(register_android_hardware_camera2_utils_SurfaceUtils),
1644 REG_JNI(register_android_hardware_display_DisplayManagerGlobal),
1645 REG_JNI(register_android_hardware_HardwareBuffer),
1646 REG_JNI(register_android_hardware_OverlayProperties),
1647 REG_JNI(register_android_hardware_SensorManager),
1648 REG_JNI(register_android_hardware_SerialPort),
1649 REG_JNI(register_android_hardware_SyncFence),
1650 REG_JNI(register_android_hardware_UsbDevice),
1651 REG_JNI(register_android_hardware_UsbDeviceConnection),
1652 REG_JNI(register_android_hardware_UsbRequest),
1653 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1654 REG_JNI(register_android_media_AudioDeviceAttributes),
1655 REG_JNI(register_android_media_AudioEffectDescriptor),
1656 REG_JNI(register_android_media_AudioSystem),
1657 REG_JNI(register_android_media_AudioRecord),
1658 REG_JNI(register_android_media_AudioTrack),
1659 REG_JNI(register_android_media_AudioAttributes),
1660 REG_JNI(register_android_media_AudioProductStrategies),
1661 REG_JNI(register_android_media_AudioVolumeGroups),
1662 REG_JNI(register_android_media_ImageReader),
1663 REG_JNI(register_android_media_ImageWriter),
1664 REG_JNI(register_android_media_MediaMetrics),
1665 REG_JNI(register_android_media_MicrophoneInfo),
1666 REG_JNI(register_android_media_PublicFormatUtils),
1667 REG_JNI(register_android_media_RemoteDisplay),
1668 REG_JNI(register_android_media_ToneGenerator),
1669 REG_JNI(register_android_media_audio_common_AidlConversion),
1670 REG_JNI(register_android_media_midi),
1671
1672 REG_JNI(register_android_opengl_classes),
1673 REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1674 REG_JNI(register_android_backup_BackupDataInput),
1675 REG_JNI(register_android_backup_BackupDataOutput),
1676 REG_JNI(register_android_backup_FileBackupHelperBase),
1677 REG_JNI(register_android_backup_BackupHelperDispatcher),
1678 REG_JNI(register_android_app_backup_FullBackup),
1679 REG_JNI(register_android_app_Activity),
1680 REG_JNI(register_android_app_ActivityThread),
1681 REG_JNI(register_android_app_NativeActivity),
1682 REG_JNI(register_android_app_PropertyInvalidatedCache),
1683 REG_JNI(register_android_util_jar_StrictJarFile),
1684 REG_JNI(register_android_view_InputChannel),
1685 REG_JNI(register_android_view_InputEventReceiver),
1686 REG_JNI(register_android_view_InputEventSender),
1687 REG_JNI(register_android_view_InputQueue),
1688 REG_JNI(register_android_view_KeyEvent),
1689 REG_JNI(register_android_view_MotionEvent),
1690 REG_JNI(register_android_view_MotionPredictor),
1691 REG_JNI(register_android_view_PointerIcon),
1692 REG_JNI(register_android_view_VelocityTracker),
1693 REG_JNI(register_android_view_VerifiedKeyEvent),
1694 REG_JNI(register_android_view_VerifiedMotionEvent),
1695
1696 REG_JNI(register_android_content_res_ObbScanner),
1697 REG_JNI(register_android_content_res_Configuration),
1698
1699 REG_JNI(register_android_animation_PropertyValuesHolder),
1700 REG_JNI(register_android_security_Scrypt),
1701 REG_JNI(register_com_android_internal_content_F2fsUtils),
1702 REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1703 REG_JNI(register_com_android_internal_os_FuseAppLoop),
1704 REG_JNI(register_com_android_internal_os_KernelAllocationStats),
1705 REG_JNI(register_com_android_internal_os_KernelCpuBpfTracking),
1706 REG_JNI(register_com_android_internal_os_KernelCpuTotalBpfMapReader),
1707 REG_JNI(register_com_android_internal_os_KernelCpuUidBpfMapReader),
1708 REG_JNI(register_com_android_internal_os_KernelSingleProcessCpuThreadReader),
1709 REG_JNI(register_com_android_internal_os_KernelSingleUidTimeReader),
1710
1711 REG_JNI(register_android_window_WindowInfosListener),
1712 REG_JNI(register_android_window_ScreenCapture),
1713 REG_JNI(register_jni_common),
1714
1715 REG_JNI(register_android_tracing_PerfettoDataSource),
1716 REG_JNI(register_android_tracing_PerfettoDataSourceInstance),
1717 REG_JNI(register_android_tracing_PerfettoProducer),
1718 REG_JNI(register_android_window_InputTransferToken),
1719 REG_JNI(register_android_view_WindowManagerGlobal),
1720 };
1721
1722 /*
1723 * Register android native functions with the VM.
1724 */
startReg(JNIEnv * env)1725 /*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1726 {
1727 ATRACE_NAME("RegisterAndroidNatives");
1728 /*
1729 * This hook causes all future threads created in this process to be
1730 * attached to the JavaVM. (This needs to go away in favor of JNI
1731 * Attach calls.)
1732 */
1733 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1734
1735 ALOGV("--- registering native functions ---\n");
1736
1737 /*
1738 * Every "register" function calls one or more things that return
1739 * a local reference (e.g. FindClass). Because we haven't really
1740 * started the VM yet, they're all getting stored in the base frame
1741 * and never released. Use Push/Pop to manage the storage.
1742 */
1743 env->PushLocalFrame(200);
1744
1745 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1746 env->PopLocalFrame(NULL);
1747 return -1;
1748 }
1749 env->PopLocalFrame(NULL);
1750
1751 //createJavaThread("fubar", quickTest, (void*) "hello");
1752
1753 return 0;
1754 }
1755
getRuntime()1756 AndroidRuntime* AndroidRuntime::getRuntime()
1757 {
1758 return gCurRuntime;
1759 }
1760
1761 /**
1762 * Used by surface flinger's DdmConnection to register native methods from
1763 * the framework.
1764 */
registerFrameworkNatives(JNIEnv * env)1765 extern "C" jint registerFrameworkNatives(JNIEnv* env) {
1766 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1767 }
1768 } // namespace android
1769