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