AndroidRuntime.cpp revision e77a906653739c5d0b67bbffa5566956fddd8cc9 
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 LOG_TAG "AndroidRuntime"
18//#define LOG_NDEBUG 0
19
20#include <android_runtime/AndroidRuntime.h>
21#include <binder/IBinder.h>
22#include <binder/IPCThreadState.h>
23#include <binder/IServiceManager.h>
24#include <utils/Log.h>
25#include <utils/misc.h>
26#include <binder/Parcel.h>
27#include <utils/threads.h>
28#include <cutils/properties.h>
29
30#include <SkGraphics.h>
31#include <SkImageDecoder.h>
32
33#include "jni.h"
34#include "JNIHelp.h"
35#include "JniInvocation.h"
36#include "android_util_Binder.h"
37
38#include <stdio.h>
39#include <signal.h>
40#include <sys/stat.h>
41#include <sys/types.h>
42#include <signal.h>
43#include <dirent.h>
44#include <assert.h>
45
46
47using namespace android;
48
49extern int register_android_os_Binder(JNIEnv* env);
50extern int register_android_os_Process(JNIEnv* env);
51extern int register_android_graphics_Bitmap(JNIEnv*);
52extern int register_android_graphics_BitmapFactory(JNIEnv*);
53extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
54extern int register_android_graphics_Camera(JNIEnv* env);
55extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
56extern int register_android_graphics_Graphics(JNIEnv* env);
57extern int register_android_graphics_Interpolator(JNIEnv* env);
58extern int register_android_graphics_MaskFilter(JNIEnv* env);
59extern int register_android_graphics_Movie(JNIEnv* env);
60extern int register_android_graphics_NinePatch(JNIEnv*);
61extern int register_android_graphics_PathEffect(JNIEnv* env);
62extern int register_android_graphics_Shader(JNIEnv* env);
63extern int register_android_graphics_Typeface(JNIEnv* env);
64extern int register_android_graphics_YuvImage(JNIEnv* env);
65
66extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
67extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
68extern int register_android_opengl_jni_EGL14(JNIEnv* env);
69extern int register_android_opengl_jni_EGLExt(JNIEnv* env);
70extern int register_android_opengl_jni_GLES10(JNIEnv* env);
71extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
72extern int register_android_opengl_jni_GLES11(JNIEnv* env);
73extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
74extern int register_android_opengl_jni_GLES20(JNIEnv* env);
75extern int register_android_opengl_jni_GLES30(JNIEnv* env);
76extern int register_android_opengl_jni_GLES31(JNIEnv* env);
77extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env);
78
79extern int register_android_hardware_Camera(JNIEnv *env);
80extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env);
81extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env);
82extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env);
83extern int register_android_hardware_camera2_DngCreator(JNIEnv *env);
84extern int register_android_hardware_SensorManager(JNIEnv *env);
85extern int register_android_hardware_SerialPort(JNIEnv *env);
86extern int register_android_hardware_SoundTrigger(JNIEnv *env);
87extern int register_android_hardware_UsbDevice(JNIEnv *env);
88extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
89extern int register_android_hardware_UsbRequest(JNIEnv *env);
90extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env);
91
92extern int register_android_media_AudioRecord(JNIEnv *env);
93extern int register_android_media_AudioSystem(JNIEnv *env);
94extern int register_android_media_AudioTrack(JNIEnv *env);
95extern int register_android_media_JetPlayer(JNIEnv *env);
96extern int register_android_media_ToneGenerator(JNIEnv *env);
97
98namespace android {
99
100/*
101 * JNI-based registration functions.  Note these are properly contained in
102 * namespace android.
103 */
104extern int register_android_content_AssetManager(JNIEnv* env);
105extern int register_android_util_EventLog(JNIEnv* env);
106extern int register_android_util_Log(JNIEnv* env);
107extern int register_android_content_StringBlock(JNIEnv* env);
108extern int register_android_content_XmlBlock(JNIEnv* env);
109extern int register_android_emoji_EmojiFactory(JNIEnv* env);
110extern int register_android_graphics_Canvas(JNIEnv* env);
111extern int register_android_graphics_CanvasProperty(JNIEnv* env);
112extern int register_android_graphics_ColorFilter(JNIEnv* env);
113extern int register_android_graphics_DrawFilter(JNIEnv* env);
114extern int register_android_graphics_FontFamily(JNIEnv* env);
115extern int register_android_graphics_LayerRasterizer(JNIEnv*);
116extern int register_android_graphics_Matrix(JNIEnv* env);
117extern int register_android_graphics_Paint(JNIEnv* env);
118extern int register_android_graphics_Path(JNIEnv* env);
119extern int register_android_graphics_PathMeasure(JNIEnv* env);
120extern int register_android_graphics_Picture(JNIEnv*);
121extern int register_android_graphics_PorterDuff(JNIEnv* env);
122extern int register_android_graphics_Rasterizer(JNIEnv* env);
123extern int register_android_graphics_Region(JNIEnv* env);
124extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
125extern int register_android_graphics_Xfermode(JNIEnv* env);
126extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
127extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
128extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
129extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
130extern int register_android_view_RenderNode(JNIEnv* env);
131extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
132extern int register_android_view_GraphicBuffer(JNIEnv* env);
133extern int register_android_view_GLES20Canvas(JNIEnv* env);
134extern int register_android_view_HardwareLayer(JNIEnv* env);
135extern int register_android_view_ThreadedRenderer(JNIEnv* env);
136extern int register_android_view_Surface(JNIEnv* env);
137extern int register_android_view_SurfaceControl(JNIEnv* env);
138extern int register_android_view_SurfaceSession(JNIEnv* env);
139extern int register_android_view_TextureView(JNIEnv* env);
140extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
141extern int register_android_database_CursorWindow(JNIEnv* env);
142extern int register_android_database_SQLiteConnection(JNIEnv* env);
143extern int register_android_database_SQLiteGlobal(JNIEnv* env);
144extern int register_android_database_SQLiteDebug(JNIEnv* env);
145extern int register_android_nio_utils(JNIEnv* env);
146extern int register_android_os_Debug(JNIEnv* env);
147extern int register_android_os_MessageQueue(JNIEnv* env);
148extern int register_android_os_Parcel(JNIEnv* env);
149extern int register_android_os_SELinux(JNIEnv* env);
150extern int register_android_os_SystemProperties(JNIEnv *env);
151extern int register_android_os_SystemClock(JNIEnv* env);
152extern int register_android_os_Trace(JNIEnv* env);
153extern int register_android_os_FileObserver(JNIEnv *env);
154extern int register_android_os_UEventObserver(JNIEnv* env);
155extern int register_android_os_MemoryFile(JNIEnv* env);
156extern int register_android_net_LocalSocketImpl(JNIEnv* env);
157extern int register_android_net_NetworkUtils(JNIEnv* env);
158extern int register_android_net_TrafficStats(JNIEnv* env);
159extern int register_android_text_AndroidCharacter(JNIEnv *env);
160extern int register_android_text_StaticLayout(JNIEnv *env);
161extern int register_android_text_AndroidBidi(JNIEnv *env);
162extern int register_android_opengl_classes(JNIEnv *env);
163extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
164extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
165extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
166extern int register_android_backup_BackupDataInput(JNIEnv *env);
167extern int register_android_backup_BackupDataOutput(JNIEnv *env);
168extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
169extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
170extern int register_android_app_backup_FullBackup(JNIEnv *env);
171extern int register_android_app_ActivityThread(JNIEnv *env);
172extern int register_android_app_NativeActivity(JNIEnv *env);
173extern int register_android_media_RemoteDisplay(JNIEnv *env);
174extern int register_android_view_InputChannel(JNIEnv* env);
175extern int register_android_view_InputDevice(JNIEnv* env);
176extern int register_android_view_InputEventReceiver(JNIEnv* env);
177extern int register_android_view_InputEventSender(JNIEnv* env);
178extern int register_android_view_InputQueue(JNIEnv* env);
179extern int register_android_view_KeyCharacterMap(JNIEnv *env);
180extern int register_android_view_KeyEvent(JNIEnv* env);
181extern int register_android_view_MotionEvent(JNIEnv* env);
182extern int register_android_view_PointerIcon(JNIEnv* env);
183extern int register_android_view_VelocityTracker(JNIEnv* env);
184extern int register_android_content_res_ObbScanner(JNIEnv* env);
185extern int register_android_content_res_Configuration(JNIEnv* env);
186extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
187extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
188extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
189extern int register_com_android_internal_os_Zygote(JNIEnv *env);
190extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
191
192static AndroidRuntime* gCurRuntime = NULL;
193
194/*
195 * Code written in the Java Programming Language calls here from main().
196 */
197static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
198{
199    gCurRuntime->onStarted();
200}
201
202static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
203{
204    gCurRuntime->onZygoteInit();
205}
206
207static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
208        jobject clazz, jboolean exitWithoutCleanup)
209{
210    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
211}
212
213/*
214 * JNI registration.
215 */
216static JNINativeMethod gMethods[] = {
217    { "nativeFinishInit", "()V",
218        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
219    { "nativeZygoteInit", "()V",
220        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
221    { "nativeSetExitWithoutCleanup", "(Z)V",
222        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
223};
224
225int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
226{
227    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
228        gMethods, NELEM(gMethods));
229}
230
231// ----------------------------------------------------------------------
232
233/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
234
235AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
236        mExitWithoutCleanup(false),
237        mArgBlockStart(argBlockStart),
238        mArgBlockLength(argBlockLength)
239{
240    SkGraphics::Init();
241    // There is also a global font cache, but its budget is specified in code
242    // see SkFontHost_android.cpp
243
244    // Pre-allocate enough space to hold a fair number of options.
245    mOptions.setCapacity(20);
246
247    assert(gCurRuntime == NULL);        // one per process
248    gCurRuntime = this;
249}
250
251AndroidRuntime::~AndroidRuntime()
252{
253    SkGraphics::Term();
254}
255
256/*
257 * Register native methods using JNI.
258 */
259/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
260    const char* className, const JNINativeMethod* gMethods, int numMethods)
261{
262    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
263}
264
265void AndroidRuntime::setArgv0(const char* argv0) {
266    memset(mArgBlockStart, 0, mArgBlockLength);
267    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
268}
269
270status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
271    const Vector<String8>& args)
272{
273    JNIEnv* env;
274    jmethodID methodId;
275
276    ALOGD("Calling main entry %s", className.string());
277
278    env = getJNIEnv();
279    if (clazz == NULL || env == NULL) {
280        return UNKNOWN_ERROR;
281    }
282
283    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
284    if (methodId == NULL) {
285        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
286        return UNKNOWN_ERROR;
287    }
288
289    /*
290     * We want to call main() with a String array with our arguments in it.
291     * Create an array and populate it.
292     */
293    jclass stringClass;
294    jobjectArray strArray;
295
296    const size_t numArgs = args.size();
297    stringClass = env->FindClass("java/lang/String");
298    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
299
300    for (size_t i = 0; i < numArgs; i++) {
301        jstring argStr = env->NewStringUTF(args[i].string());
302        env->SetObjectArrayElement(strArray, i, argStr);
303    }
304
305    env->CallStaticVoidMethod(clazz, methodId, strArray);
306    return NO_ERROR;
307}
308
309/*
310 * The VM calls this through the "exit" hook.
311 */
312static void runtime_exit(int code)
313{
314    gCurRuntime->exit(code);
315}
316
317/*
318 * The VM calls this through the "vfprintf" hook.
319 *
320 * We ignore "fp" and just write the results to the log file.
321 */
322static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
323{
324    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
325}
326
327/**
328 * The VM calls this when mutex contention debugging is enabled to
329 * determine whether or not the blocked thread was a "sensitive thread"
330 * for user responsiveness/smoothess.
331 *
332 * Our policy for this is whether or not we're tracing any StrictMode
333 * events on this thread (which we might've inherited via Binder calls
334 * into us)
335 */
336static bool runtime_isSensitiveThread() {
337    IPCThreadState* state = IPCThreadState::selfOrNull();
338    return state && state->getStrictModePolicy() != 0;
339}
340
341static int hasDir(const char* dir)
342{
343    struct stat s;
344    int res = stat(dir, &s);
345    if (res == 0) {
346        return S_ISDIR(s.st_mode);
347    }
348    return 0;
349}
350
351static bool hasFile(const char* file) {
352    struct stat s;
353    int res = stat(file, &s);
354    if (res == 0) {
355        return S_ISREG(s.st_mode);
356    }
357    return false;
358}
359
360/*
361 * Read the persistent locale.
362 */
363static void readLocale(char* language, char* region)
364{
365    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
366
367    property_get("persist.sys.language", propLang, "");
368    property_get("persist.sys.country", propRegn, "");
369    if (*propLang == 0 && *propRegn == 0) {
370        /* Set to ro properties, default is en_US */
371        property_get("ro.product.locale.language", propLang, "en");
372        property_get("ro.product.locale.region", propRegn, "US");
373    }
374    strncat(language, propLang, 3);
375    strncat(region, propRegn, 3);
376    //ALOGD("language=%s region=%s\n", language, region);
377}
378
379void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
380{
381    JavaVMOption opt;
382    opt.optionString = optionString;
383    opt.extraInfo = extraInfo;
384    mOptions.add(opt);
385}
386
387/*
388 * Parse a property containing space-separated options that should be
389 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
390 *
391 * This will cut up "extraOptsBuf" as we chop it into individual options.
392 *
393 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
394 *
395 * Adds the strings, if any, to mOptions.
396 */
397void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
398{
399    char* start = extraOptsBuf;
400    char* end = NULL;
401    while (*start != '\0') {
402        while (*start == ' ')                   /* skip leading whitespace */
403            start++;
404        if (*start == '\0')                     /* was trailing ws, bail */
405            break;
406
407        end = start+1;
408        while (*end != ' ' && *end != '\0')     /* find end of token */
409            end++;
410        if (*end == ' ')
411            *end++ = '\0';          /* mark end, advance to indicate more */
412
413        if (quotingArg != NULL) {
414            addOption(quotingArg);
415        }
416        addOption(start);
417        start = end;
418    }
419}
420
421/*
422 * Reads a "property" into "buffer" with a default of "defaultArg". If
423 * the property is non-empty, it is treated as a runtime option such
424 * as "-Xmx32m".
425 *
426 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
427 *
428 * If an argument is found, it is added to mOptions.
429 *
430 * If an option is found, it is added to mOptions and true is
431 * returned. Otherwise false is returned.
432 */
433bool AndroidRuntime::parseRuntimeOption(const char* property,
434                                        char* buffer,
435                                        const char* runtimeArg,
436                                        const char* defaultArg)
437{
438    strcpy(buffer, runtimeArg);
439    size_t runtimeArgLen = strlen(runtimeArg);
440    property_get(property, buffer+runtimeArgLen, defaultArg);
441    if (buffer[runtimeArgLen] == '\0') {
442        return false;
443    }
444    addOption(buffer);
445    return true;
446}
447
448/*
449 * Reads a "property" into "buffer". If the property is non-empty, it
450 * is treated as a dex2oat compiler option that should be
451 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
452 *
453 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
454 *
455 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
456 *
457 * If an option is found, it is added to mOptions and true is
458 * returned. Otherwise false is returned.
459 */
460bool AndroidRuntime::parseCompilerOption(const char* property,
461                                         char* buffer,
462                                         const char* compilerArg,
463                                         const char* quotingArg)
464{
465    strcpy(buffer, compilerArg);
466    size_t compilerArgLen = strlen(compilerArg);
467    property_get(property, buffer+compilerArgLen, "");
468    if (buffer[compilerArgLen] == '\0') {
469        return false;
470    }
471    addOption(quotingArg);
472    addOption(buffer);
473    return true;
474}
475
476/*
477 * Reads a "property" into "buffer". If the property is non-empty, it
478 * is treated as a dex2oat compiler runtime option that should be
479 * passed as a quoted option, e.g. "-Ximage-compiler-option
480 * --runtime-arg -Ximage-compiler-option -Xmx32m".
481 *
482 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
483 *
484 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
485 *
486 * If an option is found, it is added to mOptions and true is
487 * returned. Otherwise false is returned.
488 */
489bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
490                                                char* buffer,
491                                                const char* runtimeArg,
492                                                const char* quotingArg)
493{
494    strcpy(buffer, runtimeArg);
495    size_t runtimeArgLen = strlen(runtimeArg);
496    property_get(property, buffer+runtimeArgLen, "");
497    if (buffer[runtimeArgLen] == '\0') {
498        return false;
499    }
500    addOption(quotingArg);
501    addOption("--runtime-arg");
502    addOption(quotingArg);
503    addOption(buffer);
504    return true;
505}
506
507/*
508 * Start the Dalvik Virtual Machine.
509 *
510 * Various arguments, most determined by system properties, are passed in.
511 * The "mOptions" vector is updated.
512 *
513 * CAUTION: when adding options in here, be careful not to put the
514 * char buffer inside a nested scope.  Adding the buffer to the
515 * options using mOptions.add() does not copy the buffer, so if the
516 * buffer goes out of scope the option may be overwritten.  It's best
517 * to put the buffer at the top of the function so that it is more
518 * unlikely that someone will surround it in a scope at a later time
519 * and thus introduce a bug.
520 *
521 * Returns 0 on success.
522 */
523int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
524{
525    int result = -1;
526    JavaVMInitArgs initArgs;
527    char propBuf[PROPERTY_VALUE_MAX];
528    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
529    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
530    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
531    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
532    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
533    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
534    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
535    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
536    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
537    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
538    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
539    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
540    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
541    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
542    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
543    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
544    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
545    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
546    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
547    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
548    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
549    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
550    char extraOptsBuf[PROPERTY_VALUE_MAX];
551    char voldDecryptBuf[PROPERTY_VALUE_MAX];
552    enum {
553      kEMDefault,
554      kEMIntPortable,
555      kEMIntFast,
556      kEMJitCompiler,
557    } executionMode = kEMDefault;
558    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
559    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
560    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
561    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
562    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
563    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
564                                    PROPERTY_VALUE_MAX];
565    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
566    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
567    char langOption[sizeof("-Duser.language=") + 3];
568    char regionOption[sizeof("-Duser.region=") + 3];
569    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
570    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
571    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
572    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
573
574    bool checkJni = false;
575    property_get("dalvik.vm.checkjni", propBuf, "");
576    if (strcmp(propBuf, "true") == 0) {
577        checkJni = true;
578    } else if (strcmp(propBuf, "false") != 0) {
579        /* property is neither true nor false; fall back on kernel parameter */
580        property_get("ro.kernel.android.checkjni", propBuf, "");
581        if (propBuf[0] == '1') {
582            checkJni = true;
583        }
584    }
585    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
586    if (checkJni) {
587        /* extended JNI checking */
588        addOption("-Xcheck:jni");
589
590        /* set a cap on JNI global references */
591        addOption("-Xjnigreflimit:2000");
592
593        /* with -Xcheck:jni, this provides a JNI function call trace */
594        //addOption("-verbose:jni");
595    }
596
597    property_get("dalvik.vm.execution-mode", propBuf, "");
598    if (strcmp(propBuf, "int:portable") == 0) {
599        executionMode = kEMIntPortable;
600    } else if (strcmp(propBuf, "int:fast") == 0) {
601        executionMode = kEMIntFast;
602    } else if (strcmp(propBuf, "int:jit") == 0) {
603        executionMode = kEMJitCompiler;
604    }
605
606    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
607
608    property_get("dalvik.vm.check-dex-sum", propBuf, "");
609    if (strcmp(propBuf, "true") == 0) {
610        /* perform additional DEX checksum tests */
611        addOption("-Xcheckdexsum");
612    }
613
614    property_get("log.redirect-stdio", propBuf, "");
615    if (strcmp(propBuf, "true") == 0) {
616        /* convert stdout/stderr to log messages */
617        addOption("-Xlog-stdio");
618    }
619
620    strcpy(enableAssertBuf, "-ea:");
621    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
622    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
623        /* accept "all" to mean "all classes and packages" */
624        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
625            enableAssertBuf[3] = '\0'; // truncate to "-ea"
626        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
627        addOption(enableAssertBuf);
628    } else {
629        ALOGV("Assertions disabled\n");
630    }
631
632    strcpy(jniOptsBuf, "-Xjniopts:");
633    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
634        ALOGI("JNI options: '%s'\n", jniOptsBuf);
635    }
636
637    /* route exit() to our handler */
638    addOption("exit", (void*) runtime_exit);
639
640    /* route fprintf() to our handler */
641    addOption("vfprintf", (void*) runtime_vfprintf);
642
643    /* register the framework-specific "is sensitive thread" hook */
644    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
645
646    /* enable verbose; standard options are { jni, gc, class } */
647    //addOption("-verbose:jni");
648    addOption("-verbose:gc");
649    //addOption("-verbose:class");
650
651    /*
652     * The default starting and maximum size of the heap.  Larger
653     * values should be specified in a product property override.
654     */
655    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
656    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
657
658    // Increase the main thread's interpreter stack size for bug 6315322.
659    addOption("-XX:mainThreadStackSize=24K");
660
661    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
662    parseRuntimeOption("dalvik.vm.jit.codecachesize",
663                       jitcodecachesizeOptsBuf,
664                       "-Xjitcodecachesize:");
665
666    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
667    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
668    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
669    parseRuntimeOption("dalvik.vm.heaptargetutilization",
670                       heaptargetutilizationOptsBuf,
671                       "-XX:HeapTargetUtilization=");
672
673    property_get("ro.config.low_ram", propBuf, "");
674    if (strcmp(propBuf, "true") == 0) {
675      addOption("-XX:LowMemoryMode");
676    }
677
678    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
679    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
680
681    /*
682     * Enable or disable dexopt features, such as bytecode verification and
683     * calculation of register maps for precise GC.
684     */
685    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
686    if (dexoptFlagsBuf[0] != '\0') {
687        const char* opc;
688        const char* val;
689
690        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
691        if (opc != NULL) {
692            switch (*(opc+2)) {
693            case 'n':   val = "-Xverify:none";      break;
694            case 'r':   val = "-Xverify:remote";    break;
695            case 'a':   val = "-Xverify:all";       break;
696            default:    val = NULL;                 break;
697            }
698
699            if (val != NULL) {
700                addOption(val);
701            }
702        }
703
704        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
705        if (opc != NULL) {
706            switch (*(opc+2)) {
707            case 'n':   val = "-Xdexopt:none";      break;
708            case 'v':   val = "-Xdexopt:verified";  break;
709            case 'a':   val = "-Xdexopt:all";       break;
710            case 'f':   val = "-Xdexopt:full";      break;
711            default:    val = NULL;                 break;
712            }
713
714            if (val != NULL) {
715                addOption(val);
716            }
717        }
718
719        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
720        if (opc != NULL) {
721            addOption("-Xgenregmap");
722
723            /* turn on precise GC while we're at it */
724            addOption("-Xgc:precise");
725        }
726    }
727
728    /* enable debugging; set suspend=y to pause during VM init */
729    /* use android ADB transport */
730    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
731
732    parseRuntimeOption("dalvik.vm.lockprof.threshold",
733                       lockProfThresholdBuf,
734                       "-Xlockprofthreshold:");
735
736    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
737    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
738
739    /* Force interpreter-only mode for selected methods */
740    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
741
742    if (executionMode == kEMIntPortable) {
743        addOption("-Xint:portable");
744    } else if (executionMode == kEMIntFast) {
745        addOption("-Xint:fast");
746    } else if (executionMode == kEMJitCompiler) {
747        addOption("-Xint:jit");
748    }
749
750    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
751    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
752    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
753
754    if (libart) {
755        // If we booting without the real /data, don't spend time compiling.
756        property_get("vold.decrypt", voldDecryptBuf, "");
757        bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
758                                 (strcmp(voldDecryptBuf, "1") == 0));
759
760        // Extra options for boot.art/boot.oat image generation.
761        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
762                                   "-Xms", "-Ximage-compiler-option");
763        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
764                                   "-Xmx", "-Ximage-compiler-option");
765        if (skip_compilation) {
766            addOption("-Ximage-compiler-option");
767            addOption("--compiler-filter=verify-none");
768        } else {
769            parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
770                                "--compiler-filter=", "-Ximage-compiler-option");
771        }
772
773        // Make sure there is a preloaded-classes file.
774        if (!hasFile("/system/etc/preloaded-classes")) {
775            ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
776                  strerror(errno));
777            goto bail;
778        }
779        addOption("-Ximage-compiler-option");
780        addOption("--image-classes=/system/etc/preloaded-classes");
781
782        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
783        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
784
785        // Extra options for DexClassLoader.
786        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
787                                   "-Xms", "-Xcompiler-option");
788        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
789                                   "-Xmx", "-Xcompiler-option");
790        if (skip_compilation) {
791            addOption("-Xcompiler-option");
792            addOption("--compiler-filter=verify-none");
793        } else {
794            parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
795                                "--compiler-filter=", "-Xcompiler-option");
796        }
797        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
798        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
799
800    }
801
802    /* extra options; parse this late so it overrides others */
803    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
804    parseExtraOpts(extraOptsBuf, NULL);
805
806    /* Set the properties for locale */
807    {
808        strcpy(langOption, "-Duser.language=");
809        strcpy(regionOption, "-Duser.region=");
810        readLocale(langOption, regionOption);
811        addOption(langOption);
812        addOption(regionOption);
813    }
814
815    /*
816     * Set profiler options
817     */
818    if (libart) {
819        // Whether or not the profiler should be enabled.
820        property_get("dalvik.vm.profiler", propBuf, "0");
821        if (propBuf[0] == '1') {
822            addOption("-Xenable-profiler");
823        }
824
825        // Whether the profile should start upon app startup or be delayed by some random offset
826        // (in seconds) that is bound between 0 and a fixed value.
827        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
828        if (propBuf[0] == '1') {
829            addOption("-Xprofile-start-immediately");
830        }
831
832        // Number of seconds during profile runs.
833        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
834
835        // Length of each profile run (seconds).
836        parseRuntimeOption("dalvik.vm.profile.duration-secs",
837                           profileDuration,
838                           "-Xprofile-duration:");
839
840        // Polling interval during profile run (microseconds).
841        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
842
843        // Coefficient for period backoff.  The the period is multiplied
844        // by this value after each profile run.
845        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
846
847        // Top K% of samples that are considered relevant when
848        // deciding if the app should be recompiled.
849        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
850                           profileTopKThreshold,
851                           "-Xprofile-top-k-threshold:");
852
853        // The threshold after which a change in the structure of the
854        // top K% profiled samples becomes significant and triggers
855        // recompilation. A change in profile is considered
856        // significant if X% (top-k-change-threshold) of the top K%
857        // (top-k-threshold property) samples has changed.
858        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
859                           profileTopKChangeThreshold,
860                           "-Xprofile-top-k-change-threshold:");
861
862        // Type of profile data.
863        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
864
865        // Depth of bounded stack data
866        parseRuntimeOption("dalvik.vm.profile.stack-depth",
867                           profileMaxStackDepth,
868                           "-Xprofile-max-stack-depth:");
869
870        // Native bridge library. "0" means that native bridge is disabled.
871        property_get("ro.dalvik.vm.native.bridge", propBuf, "");
872        if (propBuf[0] == '\0') {
873            ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
874        } else if (strcmp(propBuf, "0") != 0) {
875            snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
876                     "-XX:NativeBridge=%s", propBuf);
877            addOption(nativeBridgeLibrary);
878        }
879    }
880
881    initArgs.version = JNI_VERSION_1_4;
882    initArgs.options = mOptions.editArray();
883    initArgs.nOptions = mOptions.size();
884    initArgs.ignoreUnrecognized = JNI_FALSE;
885
886    /*
887     * Initialize the VM.
888     *
889     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
890     * If this call succeeds, the VM is ready, and we can start issuing
891     * JNI calls.
892     */
893    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
894        ALOGE("JNI_CreateJavaVM failed\n");
895        goto bail;
896    }
897
898    result = 0;
899
900bail:
901    return result;
902}
903
904char* AndroidRuntime::toSlashClassName(const char* className)
905{
906    char* result = strdup(className);
907    for (char* cp = result; *cp != '\0'; cp++) {
908        if (*cp == '.') {
909            *cp = '/';
910        }
911    }
912    return result;
913}
914
915/** Create a Java string from an ASCII or Latin-1 string */
916jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
917    if (!bytes) return NULL;
918    int length = strlen(bytes);
919    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
920    if (!buffer) return NULL;
921    jchar* chp = buffer;
922    for (int i = 0; i < length; i++) {
923        *chp++ = *bytes++;
924    }
925    return env->NewString(buffer, length);
926}
927
928
929/*
930 * Start the Android runtime.  This involves starting the virtual machine
931 * and calling the "static void main(String[] args)" method in the class
932 * named by "className".
933 *
934 * Passes the main function two arguments, the class name and the specified
935 * options string.
936 */
937void AndroidRuntime::start(const char* className, const Vector<String8>& options)
938{
939    ALOGD(">>>>>> START %s uid %d <<<<<<\n",
940            className != NULL ? className : "(unknown)", getuid());
941
942    static const String8 startSystemServer("start-system-server");
943
944    /*
945     * 'startSystemServer == true' means runtime is obsolete and not run from
946     * init.rc anymore, so we print out the boot start event here.
947     */
948    for (size_t i = 0; i < options.size(); ++i) {
949        if (options[i] == startSystemServer) {
950           /* track our progress through the boot sequence */
951           const int LOG_BOOT_PROGRESS_START = 3000;
952           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
953        }
954    }
955
956    const char* rootDir = getenv("ANDROID_ROOT");
957    if (rootDir == NULL) {
958        rootDir = "/system";
959        if (!hasDir("/system")) {
960            LOG_FATAL("No root directory specified, and /android does not exist.");
961            return;
962        }
963        setenv("ANDROID_ROOT", rootDir, 1);
964    }
965
966    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
967    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
968
969    /* start the virtual machine */
970    JniInvocation jni_invocation;
971    jni_invocation.Init(NULL);
972    JNIEnv* env;
973    if (startVm(&mJavaVM, &env) != 0) {
974        return;
975    }
976    onVmCreated(env);
977
978    /*
979     * Register android functions.
980     */
981    if (startReg(env) < 0) {
982        ALOGE("Unable to register all android natives\n");
983        return;
984    }
985
986    /*
987     * We want to call main() with a String array with arguments in it.
988     * At present we have two arguments, the class name and an option string.
989     * Create an array to hold them.
990     */
991    jclass stringClass;
992    jobjectArray strArray;
993    jstring classNameStr;
994
995    stringClass = env->FindClass("java/lang/String");
996    assert(stringClass != NULL);
997    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
998    assert(strArray != NULL);
999    classNameStr = env->NewStringUTF(className);
1000    assert(classNameStr != NULL);
1001    env->SetObjectArrayElement(strArray, 0, classNameStr);
1002
1003    for (size_t i = 0; i < options.size(); ++i) {
1004        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1005        assert(optionsStr != NULL);
1006        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1007    }
1008
1009    /*
1010     * Start VM.  This thread becomes the main thread of the VM, and will
1011     * not return until the VM exits.
1012     */
1013    char* slashClassName = toSlashClassName(className);
1014    jclass startClass = env->FindClass(slashClassName);
1015    if (startClass == NULL) {
1016        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1017        /* keep going */
1018    } else {
1019        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1020            "([Ljava/lang/String;)V");
1021        if (startMeth == NULL) {
1022            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1023            /* keep going */
1024        } else {
1025            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1026
1027#if 0
1028            if (env->ExceptionCheck())
1029                threadExitUncaughtException(env);
1030#endif
1031        }
1032    }
1033    free(slashClassName);
1034
1035    ALOGD("Shutting down VM\n");
1036    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1037        ALOGW("Warning: unable to detach main thread\n");
1038    if (mJavaVM->DestroyJavaVM() != 0)
1039        ALOGW("Warning: VM did not shut down cleanly\n");
1040}
1041
1042void AndroidRuntime::exit(int code)
1043{
1044    if (mExitWithoutCleanup) {
1045        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1046        ::_exit(code);
1047    } else {
1048        ALOGI("VM exiting with result code %d.", code);
1049        onExit(code);
1050        ::exit(code);
1051    }
1052}
1053
1054void AndroidRuntime::onVmCreated(JNIEnv* env)
1055{
1056    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1057}
1058
1059/*
1060 * Get the JNIEnv pointer for this thread.
1061 *
1062 * Returns NULL if the slot wasn't allocated or populated.
1063 */
1064/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1065{
1066    JNIEnv* env;
1067    JavaVM* vm = AndroidRuntime::getJavaVM();
1068    assert(vm != NULL);
1069
1070    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1071        return NULL;
1072    return env;
1073}
1074
1075/*
1076 * Makes the current thread visible to the VM.
1077 *
1078 * The JNIEnv pointer returned is only valid for the current thread, and
1079 * thus must be tucked into thread-local storage.
1080 */
1081static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1082{
1083    JavaVMAttachArgs args;
1084    JavaVM* vm;
1085    jint result;
1086
1087    vm = AndroidRuntime::getJavaVM();
1088    assert(vm != NULL);
1089
1090    args.version = JNI_VERSION_1_4;
1091    args.name = (char*) threadName;
1092    args.group = NULL;
1093
1094    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1095    if (result != JNI_OK)
1096        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1097
1098    return result;
1099}
1100
1101/*
1102 * Detach the current thread from the set visible to the VM.
1103 */
1104static int javaDetachThread(void)
1105{
1106    JavaVM* vm;
1107    jint result;
1108
1109    vm = AndroidRuntime::getJavaVM();
1110    assert(vm != NULL);
1111
1112    result = vm->DetachCurrentThread();
1113    if (result != JNI_OK)
1114        ALOGE("ERROR: thread detach failed\n");
1115    return result;
1116}
1117
1118/*
1119 * When starting a native thread that will be visible from the VM, we
1120 * bounce through this to get the right attach/detach action.
1121 * Note that this function calls free(args)
1122 */
1123/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1124    void* start = ((void**)args)[0];
1125    void* userData = ((void **)args)[1];
1126    char* name = (char*) ((void **)args)[2];        // we own this storage
1127    free(args);
1128    JNIEnv* env;
1129    int result;
1130
1131    /* hook us into the VM */
1132    if (javaAttachThread(name, &env) != JNI_OK)
1133        return -1;
1134
1135    /* start the thread running */
1136    result = (*(android_thread_func_t)start)(userData);
1137
1138    /* unhook us */
1139    javaDetachThread();
1140    free(name);
1141
1142    return result;
1143}
1144
1145/*
1146 * This is invoked from androidCreateThreadEtc() via the callback
1147 * set with androidSetCreateThreadFunc().
1148 *
1149 * We need to create the new thread in such a way that it gets hooked
1150 * into the VM before it really starts executing.
1151 */
1152/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1153                                android_thread_func_t entryFunction,
1154                                void* userData,
1155                                const char* threadName,
1156                                int32_t threadPriority,
1157                                size_t threadStackSize,
1158                                android_thread_id_t* threadId)
1159{
1160    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1161    int result;
1162
1163    if (!threadName)
1164        threadName = "unnamed thread";
1165
1166    args[0] = (void*) entryFunction;
1167    args[1] = userData;
1168    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1169
1170    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1171        threadName, threadPriority, threadStackSize, threadId);
1172    return result;
1173}
1174
1175/*
1176 * Create a thread that is visible from the VM.
1177 *
1178 * This is called from elsewhere in the library.
1179 */
1180/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1181    void (*start)(void *), void* arg)
1182{
1183    android_thread_id_t threadId = 0;
1184    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1185        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1186    return threadId;
1187}
1188
1189#if 0
1190static void quickTest(void* arg)
1191{
1192    const char* str = (const char*) arg;
1193
1194    printf("In quickTest: %s\n", str);
1195}
1196#endif
1197
1198#ifdef NDEBUG
1199    #define REG_JNI(name)      { name }
1200    struct RegJNIRec {
1201        int (*mProc)(JNIEnv*);
1202    };
1203#else
1204    #define REG_JNI(name)      { name, #name }
1205    struct RegJNIRec {
1206        int (*mProc)(JNIEnv*);
1207        const char* mName;
1208    };
1209#endif
1210
1211typedef void (*RegJAMProc)();
1212
1213static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1214{
1215    for (size_t i = 0; i < count; i++) {
1216        if (array[i].mProc(env) < 0) {
1217#ifndef NDEBUG
1218            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1219#endif
1220            return -1;
1221        }
1222    }
1223    return 0;
1224}
1225
1226static const RegJNIRec gRegJNI[] = {
1227    REG_JNI(register_com_android_internal_os_RuntimeInit),
1228    REG_JNI(register_android_os_SystemClock),
1229    REG_JNI(register_android_util_EventLog),
1230    REG_JNI(register_android_util_Log),
1231    REG_JNI(register_android_content_AssetManager),
1232    REG_JNI(register_android_content_StringBlock),
1233    REG_JNI(register_android_content_XmlBlock),
1234    REG_JNI(register_android_emoji_EmojiFactory),
1235    REG_JNI(register_android_text_AndroidCharacter),
1236    REG_JNI(register_android_text_StaticLayout),
1237    REG_JNI(register_android_text_AndroidBidi),
1238    REG_JNI(register_android_view_InputDevice),
1239    REG_JNI(register_android_view_KeyCharacterMap),
1240    REG_JNI(register_android_os_Process),
1241    REG_JNI(register_android_os_SystemProperties),
1242    REG_JNI(register_android_os_Binder),
1243    REG_JNI(register_android_os_Parcel),
1244    REG_JNI(register_android_nio_utils),
1245    REG_JNI(register_android_graphics_Graphics),
1246    REG_JNI(register_android_view_DisplayEventReceiver),
1247    REG_JNI(register_android_view_RenderNode),
1248    REG_JNI(register_android_view_RenderNodeAnimator),
1249    REG_JNI(register_android_view_GraphicBuffer),
1250    REG_JNI(register_android_view_GLES20Canvas),
1251    REG_JNI(register_android_view_HardwareLayer),
1252    REG_JNI(register_android_view_ThreadedRenderer),
1253    REG_JNI(register_android_view_Surface),
1254    REG_JNI(register_android_view_SurfaceControl),
1255    REG_JNI(register_android_view_SurfaceSession),
1256    REG_JNI(register_android_view_TextureView),
1257    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1258    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1259    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1260    REG_JNI(register_android_opengl_jni_EGL14),
1261    REG_JNI(register_android_opengl_jni_EGLExt),
1262    REG_JNI(register_android_opengl_jni_GLES10),
1263    REG_JNI(register_android_opengl_jni_GLES10Ext),
1264    REG_JNI(register_android_opengl_jni_GLES11),
1265    REG_JNI(register_android_opengl_jni_GLES11Ext),
1266    REG_JNI(register_android_opengl_jni_GLES20),
1267    REG_JNI(register_android_opengl_jni_GLES30),
1268    REG_JNI(register_android_opengl_jni_GLES31),
1269    REG_JNI(register_android_opengl_jni_GLES31Ext),
1270
1271    REG_JNI(register_android_graphics_Bitmap),
1272    REG_JNI(register_android_graphics_BitmapFactory),
1273    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1274    REG_JNI(register_android_graphics_Camera),
1275    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1276    REG_JNI(register_android_graphics_Canvas),
1277    REG_JNI(register_android_graphics_CanvasProperty),
1278    REG_JNI(register_android_graphics_ColorFilter),
1279    REG_JNI(register_android_graphics_DrawFilter),
1280    REG_JNI(register_android_graphics_FontFamily),
1281    REG_JNI(register_android_graphics_Interpolator),
1282    REG_JNI(register_android_graphics_LayerRasterizer),
1283    REG_JNI(register_android_graphics_MaskFilter),
1284    REG_JNI(register_android_graphics_Matrix),
1285    REG_JNI(register_android_graphics_Movie),
1286    REG_JNI(register_android_graphics_NinePatch),
1287    REG_JNI(register_android_graphics_Paint),
1288    REG_JNI(register_android_graphics_Path),
1289    REG_JNI(register_android_graphics_PathMeasure),
1290    REG_JNI(register_android_graphics_PathEffect),
1291    REG_JNI(register_android_graphics_Picture),
1292    REG_JNI(register_android_graphics_PorterDuff),
1293    REG_JNI(register_android_graphics_Rasterizer),
1294    REG_JNI(register_android_graphics_Region),
1295    REG_JNI(register_android_graphics_Shader),
1296    REG_JNI(register_android_graphics_SurfaceTexture),
1297    REG_JNI(register_android_graphics_Typeface),
1298    REG_JNI(register_android_graphics_Xfermode),
1299    REG_JNI(register_android_graphics_YuvImage),
1300    REG_JNI(register_android_graphics_pdf_PdfDocument),
1301    REG_JNI(register_android_graphics_pdf_PdfEditor),
1302    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1303
1304    REG_JNI(register_android_database_CursorWindow),
1305    REG_JNI(register_android_database_SQLiteConnection),
1306    REG_JNI(register_android_database_SQLiteGlobal),
1307    REG_JNI(register_android_database_SQLiteDebug),
1308    REG_JNI(register_android_os_Debug),
1309    REG_JNI(register_android_os_FileObserver),
1310    REG_JNI(register_android_os_MessageQueue),
1311    REG_JNI(register_android_os_SELinux),
1312    REG_JNI(register_android_os_Trace),
1313    REG_JNI(register_android_os_UEventObserver),
1314    REG_JNI(register_android_net_LocalSocketImpl),
1315    REG_JNI(register_android_net_NetworkUtils),
1316    REG_JNI(register_android_net_TrafficStats),
1317    REG_JNI(register_android_os_MemoryFile),
1318    REG_JNI(register_com_android_internal_os_ZygoteInit),
1319    REG_JNI(register_com_android_internal_os_Zygote),
1320    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1321    REG_JNI(register_android_hardware_Camera),
1322    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1323    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1324    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1325    REG_JNI(register_android_hardware_camera2_DngCreator),
1326    REG_JNI(register_android_hardware_SensorManager),
1327    REG_JNI(register_android_hardware_SerialPort),
1328    REG_JNI(register_android_hardware_SoundTrigger),
1329    REG_JNI(register_android_hardware_UsbDevice),
1330    REG_JNI(register_android_hardware_UsbDeviceConnection),
1331    REG_JNI(register_android_hardware_UsbRequest),
1332    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1333    REG_JNI(register_android_media_AudioRecord),
1334    REG_JNI(register_android_media_AudioSystem),
1335    REG_JNI(register_android_media_AudioTrack),
1336    REG_JNI(register_android_media_JetPlayer),
1337    REG_JNI(register_android_media_RemoteDisplay),
1338    REG_JNI(register_android_media_ToneGenerator),
1339
1340    REG_JNI(register_android_opengl_classes),
1341    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1342    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1343    REG_JNI(register_android_backup_BackupDataInput),
1344    REG_JNI(register_android_backup_BackupDataOutput),
1345    REG_JNI(register_android_backup_FileBackupHelperBase),
1346    REG_JNI(register_android_backup_BackupHelperDispatcher),
1347    REG_JNI(register_android_app_backup_FullBackup),
1348    REG_JNI(register_android_app_ActivityThread),
1349    REG_JNI(register_android_app_NativeActivity),
1350    REG_JNI(register_android_view_InputChannel),
1351    REG_JNI(register_android_view_InputEventReceiver),
1352    REG_JNI(register_android_view_InputEventSender),
1353    REG_JNI(register_android_view_InputQueue),
1354    REG_JNI(register_android_view_KeyEvent),
1355    REG_JNI(register_android_view_MotionEvent),
1356    REG_JNI(register_android_view_PointerIcon),
1357    REG_JNI(register_android_view_VelocityTracker),
1358
1359    REG_JNI(register_android_content_res_ObbScanner),
1360    REG_JNI(register_android_content_res_Configuration),
1361
1362    REG_JNI(register_android_animation_PropertyValuesHolder),
1363    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1364    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1365};
1366
1367/*
1368 * Register android native functions with the VM.
1369 */
1370/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1371{
1372    /*
1373     * This hook causes all future threads created in this process to be
1374     * attached to the JavaVM.  (This needs to go away in favor of JNI
1375     * Attach calls.)
1376     */
1377    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1378
1379    ALOGV("--- registering native functions ---\n");
1380
1381    /*
1382     * Every "register" function calls one or more things that return
1383     * a local reference (e.g. FindClass).  Because we haven't really
1384     * started the VM yet, they're all getting stored in the base frame
1385     * and never released.  Use Push/Pop to manage the storage.
1386     */
1387    env->PushLocalFrame(200);
1388
1389    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1390        env->PopLocalFrame(NULL);
1391        return -1;
1392    }
1393    env->PopLocalFrame(NULL);
1394
1395    //createJavaThread("fubar", quickTest, (void*) "hello");
1396
1397    return 0;
1398}
1399
1400AndroidRuntime* AndroidRuntime::getRuntime()
1401{
1402    return gCurRuntime;
1403}
1404
1405/**
1406 * Used by WithFramework to register native functions.
1407 */
1408extern "C"
1409jint Java_com_android_internal_util_WithFramework_registerNatives(
1410        JNIEnv* env, jclass clazz) {
1411    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1412}
1413
1414/**
1415 * Used by LoadClass to register native functions.
1416 */
1417extern "C"
1418jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1419    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1420}
1421
1422}   // namespace android
1423