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