AndroidRuntime.cpp revision e6f2f9db42632f581d221ece90e1824e114f2f12 
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_android_backup_BackupDataInput(JNIEnv *env);
166extern int register_android_backup_BackupDataOutput(JNIEnv *env);
167extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
168extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
169extern int register_android_app_backup_FullBackup(JNIEnv *env);
170extern int register_android_app_ActivityThread(JNIEnv *env);
171extern int register_android_app_NativeActivity(JNIEnv *env);
172extern int register_android_media_RemoteDisplay(JNIEnv *env);
173extern int register_android_view_InputChannel(JNIEnv* env);
174extern int register_android_view_InputDevice(JNIEnv* env);
175extern int register_android_view_InputEventReceiver(JNIEnv* env);
176extern int register_android_view_InputEventSender(JNIEnv* env);
177extern int register_android_view_InputQueue(JNIEnv* env);
178extern int register_android_view_KeyCharacterMap(JNIEnv *env);
179extern int register_android_view_KeyEvent(JNIEnv* env);
180extern int register_android_view_MotionEvent(JNIEnv* env);
181extern int register_android_view_PointerIcon(JNIEnv* env);
182extern int register_android_view_VelocityTracker(JNIEnv* env);
183extern int register_android_content_res_ObbScanner(JNIEnv* env);
184extern int register_android_content_res_Configuration(JNIEnv* env);
185extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
186extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
187extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
188extern int register_com_android_internal_os_Zygote(JNIEnv *env);
189extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
190
191static AndroidRuntime* gCurRuntime = NULL;
192
193/*
194 * Code written in the Java Programming Language calls here from main().
195 */
196static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
197{
198    gCurRuntime->onStarted();
199}
200
201static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
202{
203    gCurRuntime->onZygoteInit();
204}
205
206static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
207        jobject clazz, jboolean exitWithoutCleanup)
208{
209    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
210}
211
212/*
213 * JNI registration.
214 */
215static JNINativeMethod gMethods[] = {
216    { "nativeFinishInit", "()V",
217        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
218    { "nativeZygoteInit", "()V",
219        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
220    { "nativeSetExitWithoutCleanup", "(Z)V",
221        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
222};
223
224int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
225{
226    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
227        gMethods, NELEM(gMethods));
228}
229
230// ----------------------------------------------------------------------
231
232/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
233
234AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
235        mExitWithoutCleanup(false),
236        mArgBlockStart(argBlockStart),
237        mArgBlockLength(argBlockLength)
238{
239    SkGraphics::Init();
240    // There is also a global font cache, but its budget is specified in code
241    // see SkFontHost_android.cpp
242
243    // Pre-allocate enough space to hold a fair number of options.
244    mOptions.setCapacity(20);
245
246    assert(gCurRuntime == NULL);        // one per process
247    gCurRuntime = this;
248}
249
250AndroidRuntime::~AndroidRuntime()
251{
252    SkGraphics::Term();
253}
254
255/*
256 * Register native methods using JNI.
257 */
258/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
259    const char* className, const JNINativeMethod* gMethods, int numMethods)
260{
261    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
262}
263
264void AndroidRuntime::setArgv0(const char* argv0) {
265    memset(mArgBlockStart, 0, mArgBlockLength);
266    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
267}
268
269status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
270    const Vector<String8>& args)
271{
272    JNIEnv* env;
273    jmethodID methodId;
274
275    ALOGD("Calling main entry %s", className.string());
276
277    env = getJNIEnv();
278    if (clazz == NULL || env == NULL) {
279        return UNKNOWN_ERROR;
280    }
281
282    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
283    if (methodId == NULL) {
284        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
285        return UNKNOWN_ERROR;
286    }
287
288    /*
289     * We want to call main() with a String array with our arguments in it.
290     * Create an array and populate it.
291     */
292    jclass stringClass;
293    jobjectArray strArray;
294
295    const size_t numArgs = args.size();
296    stringClass = env->FindClass("java/lang/String");
297    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
298
299    for (size_t i = 0; i < numArgs; i++) {
300        jstring argStr = env->NewStringUTF(args[i].string());
301        env->SetObjectArrayElement(strArray, i, argStr);
302    }
303
304    env->CallStaticVoidMethod(clazz, methodId, strArray);
305    return NO_ERROR;
306}
307
308/*
309 * The VM calls this through the "exit" hook.
310 */
311static void runtime_exit(int code)
312{
313    gCurRuntime->exit(code);
314}
315
316/*
317 * The VM calls this through the "vfprintf" hook.
318 *
319 * We ignore "fp" and just write the results to the log file.
320 */
321static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
322{
323    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
324}
325
326/**
327 * The VM calls this when mutex contention debugging is enabled to
328 * determine whether or not the blocked thread was a "sensitive thread"
329 * for user responsiveness/smoothess.
330 *
331 * Our policy for this is whether or not we're tracing any StrictMode
332 * events on this thread (which we might've inherited via Binder calls
333 * into us)
334 */
335static bool runtime_isSensitiveThread() {
336    IPCThreadState* state = IPCThreadState::selfOrNull();
337    return state && state->getStrictModePolicy() != 0;
338}
339
340static int hasDir(const char* dir)
341{
342    struct stat s;
343    int res = stat(dir, &s);
344    if (res == 0) {
345        return S_ISDIR(s.st_mode);
346    }
347    return 0;
348}
349
350static bool hasFile(const char* file) {
351    struct stat s;
352    int res = stat(file, &s);
353    if (res == 0) {
354        return S_ISREG(s.st_mode);
355    }
356    return false;
357}
358
359/*
360 * Read the persistent locale.
361 */
362static void readLocale(char* language, char* region)
363{
364    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
365
366    property_get("persist.sys.language", propLang, "");
367    property_get("persist.sys.country", propRegn, "");
368    if (*propLang == 0 && *propRegn == 0) {
369        /* Set to ro properties, default is en_US */
370        property_get("ro.product.locale.language", propLang, "en");
371        property_get("ro.product.locale.region", propRegn, "US");
372    }
373    strncat(language, propLang, 3);
374    strncat(region, propRegn, 3);
375    //ALOGD("language=%s region=%s\n", language, region);
376}
377
378void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
379{
380    JavaVMOption opt;
381    opt.optionString = optionString;
382    opt.extraInfo = extraInfo;
383    mOptions.add(opt);
384}
385
386/*
387 * Parse a property containing space-separated options that should be
388 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
389 *
390 * This will cut up "extraOptsBuf" as we chop it into individual options.
391 *
392 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
393 *
394 * Adds the strings, if any, to mOptions.
395 */
396void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
397{
398    char* start = extraOptsBuf;
399    char* end = NULL;
400    while (*start != '\0') {
401        while (*start == ' ')                   /* skip leading whitespace */
402            start++;
403        if (*start == '\0')                     /* was trailing ws, bail */
404            break;
405
406        end = start+1;
407        while (*end != ' ' && *end != '\0')     /* find end of token */
408            end++;
409        if (*end == ' ')
410            *end++ = '\0';          /* mark end, advance to indicate more */
411
412        if (quotingArg != NULL) {
413            addOption(quotingArg);
414        }
415        addOption(start);
416        start = end;
417    }
418}
419
420/*
421 * Reads a "property" into "buffer" with a default of "defaultArg". If
422 * the property is non-empty, it is treated as a runtime option such
423 * as "-Xmx32m".
424 *
425 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
426 *
427 * If an argument is found, it is added to mOptions.
428 *
429 * If an option is found, it is added to mOptions and true is
430 * returned. Otherwise false is returned.
431 */
432bool AndroidRuntime::parseRuntimeOption(const char* property,
433                                        char* buffer,
434                                        const char* runtimeArg,
435                                        const char* defaultArg)
436{
437    strcpy(buffer, runtimeArg);
438    size_t runtimeArgLen = strlen(runtimeArg);
439    property_get(property, buffer+runtimeArgLen, defaultArg);
440    if (buffer[runtimeArgLen] == '\0') {
441        return false;
442    }
443    addOption(buffer);
444    return true;
445}
446
447/*
448 * Reads a "property" into "buffer". If the property is non-empty, it
449 * is treated as a dex2oat compiler option that should be
450 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
451 *
452 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
453 *
454 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
455 *
456 * If an option is found, it is added to mOptions and true is
457 * returned. Otherwise false is returned.
458 */
459bool AndroidRuntime::parseCompilerOption(const char* property,
460                                         char* buffer,
461                                         const char* compilerArg,
462                                         const char* quotingArg)
463{
464    strcpy(buffer, compilerArg);
465    size_t compilerArgLen = strlen(compilerArg);
466    property_get(property, buffer+compilerArgLen, "");
467    if (buffer[compilerArgLen] == '\0') {
468        return false;
469    }
470    addOption(quotingArg);
471    addOption(buffer);
472    return true;
473}
474
475/*
476 * Reads a "property" into "buffer". If the property is non-empty, it
477 * is treated as a dex2oat compiler runtime option that should be
478 * passed as a quoted option, e.g. "-Ximage-compiler-option
479 * --runtime-arg -Ximage-compiler-option -Xmx32m".
480 *
481 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
482 *
483 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
484 *
485 * If an option is found, it is added to mOptions and true is
486 * returned. Otherwise false is returned.
487 */
488bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
489                                                char* buffer,
490                                                const char* runtimeArg,
491                                                const char* quotingArg)
492{
493    strcpy(buffer, runtimeArg);
494    size_t runtimeArgLen = strlen(runtimeArg);
495    property_get(property, buffer+runtimeArgLen, "");
496    if (buffer[runtimeArgLen] == '\0') {
497        return false;
498    }
499    addOption(quotingArg);
500    addOption("--runtime-arg");
501    addOption(quotingArg);
502    addOption(buffer);
503    return true;
504}
505
506/*
507 * Start the Dalvik Virtual Machine.
508 *
509 * Various arguments, most determined by system properties, are passed in.
510 * The "mOptions" vector is updated.
511 *
512 * CAUTION: when adding options in here, be careful not to put the
513 * char buffer inside a nested scope.  Adding the buffer to the
514 * options using mOptions.add() does not copy the buffer, so if the
515 * buffer goes out of scope the option may be overwritten.  It's best
516 * to put the buffer at the top of the function so that it is more
517 * unlikely that someone will surround it in a scope at a later time
518 * and thus introduce a bug.
519 *
520 * Returns 0 on success.
521 */
522int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
523{
524    int result = -1;
525    JavaVMInitArgs initArgs;
526    char propBuf[PROPERTY_VALUE_MAX];
527    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
528    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
529    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
530    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
531    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
532    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
533    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
534    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
535    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
536    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
537    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
538    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
539    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
540    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
541    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
542    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
543    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
544    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
545    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
546    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
547    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
548    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
549    char extraOptsBuf[PROPERTY_VALUE_MAX];
550    char voldDecryptBuf[PROPERTY_VALUE_MAX];
551    enum {
552      kEMDefault,
553      kEMIntPortable,
554      kEMIntFast,
555      kEMJitCompiler,
556    } executionMode = kEMDefault;
557    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
558    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
559    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
560    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
561    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
562    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
563                                    PROPERTY_VALUE_MAX];
564    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
565    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
566    char langOption[sizeof("-Duser.language=") + 3];
567    char regionOption[sizeof("-Duser.region=") + 3];
568    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
569    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
570    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
571    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
572
573    bool checkJni = false;
574    property_get("dalvik.vm.checkjni", propBuf, "");
575    if (strcmp(propBuf, "true") == 0) {
576        checkJni = true;
577    } else if (strcmp(propBuf, "false") != 0) {
578        /* property is neither true nor false; fall back on kernel parameter */
579        property_get("ro.kernel.android.checkjni", propBuf, "");
580        if (propBuf[0] == '1') {
581            checkJni = true;
582        }
583    }
584    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
585    if (checkJni) {
586        /* extended JNI checking */
587        addOption("-Xcheck:jni");
588
589        /* set a cap on JNI global references */
590        addOption("-Xjnigreflimit:2000");
591
592        /* with -Xcheck:jni, this provides a JNI function call trace */
593        //addOption("-verbose:jni");
594    }
595
596    property_get("dalvik.vm.execution-mode", propBuf, "");
597    if (strcmp(propBuf, "int:portable") == 0) {
598        executionMode = kEMIntPortable;
599    } else if (strcmp(propBuf, "int:fast") == 0) {
600        executionMode = kEMIntFast;
601    } else if (strcmp(propBuf, "int:jit") == 0) {
602        executionMode = kEMJitCompiler;
603    }
604
605    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
606
607    property_get("dalvik.vm.check-dex-sum", propBuf, "");
608    if (strcmp(propBuf, "true") == 0) {
609        /* perform additional DEX checksum tests */
610        addOption("-Xcheckdexsum");
611    }
612
613    property_get("log.redirect-stdio", propBuf, "");
614    if (strcmp(propBuf, "true") == 0) {
615        /* convert stdout/stderr to log messages */
616        addOption("-Xlog-stdio");
617    }
618
619    strcpy(enableAssertBuf, "-ea:");
620    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
621    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
622        /* accept "all" to mean "all classes and packages" */
623        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
624            enableAssertBuf[3] = '\0'; // truncate to "-ea"
625        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
626        addOption(enableAssertBuf);
627    } else {
628        ALOGV("Assertions disabled\n");
629    }
630
631    strcpy(jniOptsBuf, "-Xjniopts:");
632    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
633        ALOGI("JNI options: '%s'\n", jniOptsBuf);
634    }
635
636    /* route exit() to our handler */
637    addOption("exit", (void*) runtime_exit);
638
639    /* route fprintf() to our handler */
640    addOption("vfprintf", (void*) runtime_vfprintf);
641
642    /* register the framework-specific "is sensitive thread" hook */
643    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
644
645    /* enable verbose; standard options are { jni, gc, class } */
646    //addOption("-verbose:jni");
647    addOption("-verbose:gc");
648    //addOption("-verbose:class");
649
650    /*
651     * The default starting and maximum size of the heap.  Larger
652     * values should be specified in a product property override.
653     */
654    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
655    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
656
657    // Increase the main thread's interpreter stack size for bug 6315322.
658    addOption("-XX:mainThreadStackSize=24K");
659
660    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
661    parseRuntimeOption("dalvik.vm.jit.codecachesize",
662                       jitcodecachesizeOptsBuf,
663                       "-Xjitcodecachesize:");
664
665    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
666    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
667    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
668    parseRuntimeOption("dalvik.vm.heaptargetutilization",
669                       heaptargetutilizationOptsBuf,
670                       "-XX:HeapTargetUtilization=");
671
672    property_get("ro.config.low_ram", propBuf, "");
673    if (strcmp(propBuf, "true") == 0) {
674      addOption("-XX:LowMemoryMode");
675    }
676
677    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
678    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
679
680    /*
681     * Enable or disable dexopt features, such as bytecode verification and
682     * calculation of register maps for precise GC.
683     */
684    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
685    if (dexoptFlagsBuf[0] != '\0') {
686        const char* opc;
687        const char* val;
688
689        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
690        if (opc != NULL) {
691            switch (*(opc+2)) {
692            case 'n':   val = "-Xverify:none";      break;
693            case 'r':   val = "-Xverify:remote";    break;
694            case 'a':   val = "-Xverify:all";       break;
695            default:    val = NULL;                 break;
696            }
697
698            if (val != NULL) {
699                addOption(val);
700            }
701        }
702
703        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
704        if (opc != NULL) {
705            switch (*(opc+2)) {
706            case 'n':   val = "-Xdexopt:none";      break;
707            case 'v':   val = "-Xdexopt:verified";  break;
708            case 'a':   val = "-Xdexopt:all";       break;
709            case 'f':   val = "-Xdexopt:full";      break;
710            default:    val = NULL;                 break;
711            }
712
713            if (val != NULL) {
714                addOption(val);
715            }
716        }
717
718        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
719        if (opc != NULL) {
720            addOption("-Xgenregmap");
721
722            /* turn on precise GC while we're at it */
723            addOption("-Xgc:precise");
724        }
725    }
726
727    /* enable debugging; set suspend=y to pause during VM init */
728    /* use android ADB transport */
729    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
730
731    parseRuntimeOption("dalvik.vm.lockprof.threshold",
732                       lockProfThresholdBuf,
733                       "-Xlockprofthreshold:");
734
735    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
736    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
737
738    /* Force interpreter-only mode for selected methods */
739    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
740
741    if (executionMode == kEMIntPortable) {
742        addOption("-Xint:portable");
743    } else if (executionMode == kEMIntFast) {
744        addOption("-Xint:fast");
745    } else if (executionMode == kEMJitCompiler) {
746        addOption("-Xint:jit");
747    }
748
749    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
750    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
751    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
752
753    if (libart) {
754        // If we booting without the real /data, don't spend time compiling.
755        property_get("vold.decrypt", voldDecryptBuf, "");
756        bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
757                                 (strcmp(voldDecryptBuf, "1") == 0));
758
759        // Extra options for boot.art/boot.oat image generation.
760        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
761                                   "-Xms", "-Ximage-compiler-option");
762        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
763                                   "-Xmx", "-Ximage-compiler-option");
764        if (skip_compilation) {
765            addOption("-Ximage-compiler-option");
766            addOption("--compiler-filter=verify-none");
767        } else {
768            parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
769                                "--compiler-filter=", "-Ximage-compiler-option");
770        }
771
772        // Make sure there is a preloaded-classes file.
773        if (!hasFile("/system/etc/preloaded-classes")) {
774            ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
775                  strerror(errno));
776            goto bail;
777        }
778        addOption("-Ximage-compiler-option");
779        addOption("--image-classes=/system/etc/preloaded-classes");
780
781        // If there is a compiled-classes file, push it.
782        if (hasFile("/system/etc/compiled-classes")) {
783            addOption("-Ximage-compiler-option");
784            addOption("--compiled-classes=/system/etc/compiled-classes");
785        }
786
787        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
788        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
789
790        // Extra options for DexClassLoader.
791        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
792                                   "-Xms", "-Xcompiler-option");
793        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
794                                   "-Xmx", "-Xcompiler-option");
795        if (skip_compilation) {
796            addOption("-Xcompiler-option");
797            addOption("--compiler-filter=verify-none");
798        } else {
799            parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
800                                "--compiler-filter=", "-Xcompiler-option");
801        }
802        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
803        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
804
805    }
806
807    /* extra options; parse this late so it overrides others */
808    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
809    parseExtraOpts(extraOptsBuf, NULL);
810
811    /* Set the properties for locale */
812    {
813        strcpy(langOption, "-Duser.language=");
814        strcpy(regionOption, "-Duser.region=");
815        readLocale(langOption, regionOption);
816        addOption(langOption);
817        addOption(regionOption);
818    }
819
820    /*
821     * Set profiler options
822     */
823    if (libart) {
824        // Whether or not the profiler should be enabled.
825        property_get("dalvik.vm.profiler", propBuf, "0");
826        if (propBuf[0] == '1') {
827            addOption("-Xenable-profiler");
828        }
829
830        // Whether the profile should start upon app startup or be delayed by some random offset
831        // (in seconds) that is bound between 0 and a fixed value.
832        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
833        if (propBuf[0] == '1') {
834            addOption("-Xprofile-start-immediately");
835        }
836
837        // Number of seconds during profile runs.
838        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
839
840        // Length of each profile run (seconds).
841        parseRuntimeOption("dalvik.vm.profile.duration-secs",
842                           profileDuration,
843                           "-Xprofile-duration:");
844
845        // Polling interval during profile run (microseconds).
846        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
847
848        // Coefficient for period backoff.  The the period is multiplied
849        // by this value after each profile run.
850        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
851
852        // Top K% of samples that are considered relevant when
853        // deciding if the app should be recompiled.
854        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
855                           profileTopKThreshold,
856                           "-Xprofile-top-k-threshold:");
857
858        // The threshold after which a change in the structure of the
859        // top K% profiled samples becomes significant and triggers
860        // recompilation. A change in profile is considered
861        // significant if X% (top-k-change-threshold) of the top K%
862        // (top-k-threshold property) samples has changed.
863        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
864                           profileTopKChangeThreshold,
865                           "-Xprofile-top-k-change-threshold:");
866
867        // Type of profile data.
868        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
869
870        // Depth of bounded stack data
871        parseRuntimeOption("dalvik.vm.profile.stack-depth",
872                           profileMaxStackDepth,
873                           "-Xprofile-max-stack-depth:");
874
875        // Native bridge library. "0" means that native bridge is disabled.
876        property_get("ro.dalvik.vm.native.bridge", propBuf, "");
877        if (propBuf[0] == '\0') {
878            ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
879        } else if (strcmp(propBuf, "0") != 0) {
880            snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
881                     "-XX:NativeBridge=%s", propBuf);
882            addOption(nativeBridgeLibrary);
883        }
884    }
885
886    initArgs.version = JNI_VERSION_1_4;
887    initArgs.options = mOptions.editArray();
888    initArgs.nOptions = mOptions.size();
889    initArgs.ignoreUnrecognized = JNI_FALSE;
890
891    /*
892     * Initialize the VM.
893     *
894     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
895     * If this call succeeds, the VM is ready, and we can start issuing
896     * JNI calls.
897     */
898    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
899        ALOGE("JNI_CreateJavaVM failed\n");
900        goto bail;
901    }
902
903    result = 0;
904
905bail:
906    return result;
907}
908
909char* AndroidRuntime::toSlashClassName(const char* className)
910{
911    char* result = strdup(className);
912    for (char* cp = result; *cp != '\0'; cp++) {
913        if (*cp == '.') {
914            *cp = '/';
915        }
916    }
917    return result;
918}
919
920/** Create a Java string from an ASCII or Latin-1 string */
921jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
922    if (!bytes) return NULL;
923    int length = strlen(bytes);
924    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
925    if (!buffer) return NULL;
926    jchar* chp = buffer;
927    for (int i = 0; i < length; i++) {
928        *chp++ = *bytes++;
929    }
930    return env->NewString(buffer, length);
931}
932
933
934/*
935 * Start the Android runtime.  This involves starting the virtual machine
936 * and calling the "static void main(String[] args)" method in the class
937 * named by "className".
938 *
939 * Passes the main function two arguments, the class name and the specified
940 * options string.
941 */
942void AndroidRuntime::start(const char* className, const Vector<String8>& options)
943{
944    ALOGD(">>>>>> START %s uid %d <<<<<<\n",
945            className != NULL ? className : "(unknown)", getuid());
946
947    static const String8 startSystemServer("start-system-server");
948
949    /*
950     * 'startSystemServer == true' means runtime is obsolete and not run from
951     * init.rc anymore, so we print out the boot start event here.
952     */
953    for (size_t i = 0; i < options.size(); ++i) {
954        if (options[i] == startSystemServer) {
955           /* track our progress through the boot sequence */
956           const int LOG_BOOT_PROGRESS_START = 3000;
957           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
958        }
959    }
960
961    const char* rootDir = getenv("ANDROID_ROOT");
962    if (rootDir == NULL) {
963        rootDir = "/system";
964        if (!hasDir("/system")) {
965            LOG_FATAL("No root directory specified, and /android does not exist.");
966            return;
967        }
968        setenv("ANDROID_ROOT", rootDir, 1);
969    }
970
971    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
972    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
973
974    /* start the virtual machine */
975    JniInvocation jni_invocation;
976    jni_invocation.Init(NULL);
977    JNIEnv* env;
978    if (startVm(&mJavaVM, &env) != 0) {
979        return;
980    }
981    onVmCreated(env);
982
983    /*
984     * Register android functions.
985     */
986    if (startReg(env) < 0) {
987        ALOGE("Unable to register all android natives\n");
988        return;
989    }
990
991    /*
992     * We want to call main() with a String array with arguments in it.
993     * At present we have two arguments, the class name and an option string.
994     * Create an array to hold them.
995     */
996    jclass stringClass;
997    jobjectArray strArray;
998    jstring classNameStr;
999
1000    stringClass = env->FindClass("java/lang/String");
1001    assert(stringClass != NULL);
1002    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
1003    assert(strArray != NULL);
1004    classNameStr = env->NewStringUTF(className);
1005    assert(classNameStr != NULL);
1006    env->SetObjectArrayElement(strArray, 0, classNameStr);
1007
1008    for (size_t i = 0; i < options.size(); ++i) {
1009        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1010        assert(optionsStr != NULL);
1011        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1012    }
1013
1014    /*
1015     * Start VM.  This thread becomes the main thread of the VM, and will
1016     * not return until the VM exits.
1017     */
1018    char* slashClassName = toSlashClassName(className);
1019    jclass startClass = env->FindClass(slashClassName);
1020    if (startClass == NULL) {
1021        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1022        /* keep going */
1023    } else {
1024        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1025            "([Ljava/lang/String;)V");
1026        if (startMeth == NULL) {
1027            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1028            /* keep going */
1029        } else {
1030            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1031
1032#if 0
1033            if (env->ExceptionCheck())
1034                threadExitUncaughtException(env);
1035#endif
1036        }
1037    }
1038    free(slashClassName);
1039
1040    ALOGD("Shutting down VM\n");
1041    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1042        ALOGW("Warning: unable to detach main thread\n");
1043    if (mJavaVM->DestroyJavaVM() != 0)
1044        ALOGW("Warning: VM did not shut down cleanly\n");
1045}
1046
1047void AndroidRuntime::exit(int code)
1048{
1049    if (mExitWithoutCleanup) {
1050        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1051        ::_exit(code);
1052    } else {
1053        ALOGI("VM exiting with result code %d.", code);
1054        onExit(code);
1055        ::exit(code);
1056    }
1057}
1058
1059void AndroidRuntime::onVmCreated(JNIEnv* env)
1060{
1061    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1062}
1063
1064/*
1065 * Get the JNIEnv pointer for this thread.
1066 *
1067 * Returns NULL if the slot wasn't allocated or populated.
1068 */
1069/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1070{
1071    JNIEnv* env;
1072    JavaVM* vm = AndroidRuntime::getJavaVM();
1073    assert(vm != NULL);
1074
1075    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1076        return NULL;
1077    return env;
1078}
1079
1080/*
1081 * Makes the current thread visible to the VM.
1082 *
1083 * The JNIEnv pointer returned is only valid for the current thread, and
1084 * thus must be tucked into thread-local storage.
1085 */
1086static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1087{
1088    JavaVMAttachArgs args;
1089    JavaVM* vm;
1090    jint result;
1091
1092    vm = AndroidRuntime::getJavaVM();
1093    assert(vm != NULL);
1094
1095    args.version = JNI_VERSION_1_4;
1096    args.name = (char*) threadName;
1097    args.group = NULL;
1098
1099    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1100    if (result != JNI_OK)
1101        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1102
1103    return result;
1104}
1105
1106/*
1107 * Detach the current thread from the set visible to the VM.
1108 */
1109static int javaDetachThread(void)
1110{
1111    JavaVM* vm;
1112    jint result;
1113
1114    vm = AndroidRuntime::getJavaVM();
1115    assert(vm != NULL);
1116
1117    result = vm->DetachCurrentThread();
1118    if (result != JNI_OK)
1119        ALOGE("ERROR: thread detach failed\n");
1120    return result;
1121}
1122
1123/*
1124 * When starting a native thread that will be visible from the VM, we
1125 * bounce through this to get the right attach/detach action.
1126 * Note that this function calls free(args)
1127 */
1128/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1129    void* start = ((void**)args)[0];
1130    void* userData = ((void **)args)[1];
1131    char* name = (char*) ((void **)args)[2];        // we own this storage
1132    free(args);
1133    JNIEnv* env;
1134    int result;
1135
1136    /* hook us into the VM */
1137    if (javaAttachThread(name, &env) != JNI_OK)
1138        return -1;
1139
1140    /* start the thread running */
1141    result = (*(android_thread_func_t)start)(userData);
1142
1143    /* unhook us */
1144    javaDetachThread();
1145    free(name);
1146
1147    return result;
1148}
1149
1150/*
1151 * This is invoked from androidCreateThreadEtc() via the callback
1152 * set with androidSetCreateThreadFunc().
1153 *
1154 * We need to create the new thread in such a way that it gets hooked
1155 * into the VM before it really starts executing.
1156 */
1157/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1158                                android_thread_func_t entryFunction,
1159                                void* userData,
1160                                const char* threadName,
1161                                int32_t threadPriority,
1162                                size_t threadStackSize,
1163                                android_thread_id_t* threadId)
1164{
1165    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1166    int result;
1167
1168    if (!threadName)
1169        threadName = "unnamed thread";
1170
1171    args[0] = (void*) entryFunction;
1172    args[1] = userData;
1173    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1174
1175    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1176        threadName, threadPriority, threadStackSize, threadId);
1177    return result;
1178}
1179
1180/*
1181 * Create a thread that is visible from the VM.
1182 *
1183 * This is called from elsewhere in the library.
1184 */
1185/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1186    void (*start)(void *), void* arg)
1187{
1188    android_thread_id_t threadId = 0;
1189    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1190        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1191    return threadId;
1192}
1193
1194#if 0
1195static void quickTest(void* arg)
1196{
1197    const char* str = (const char*) arg;
1198
1199    printf("In quickTest: %s\n", str);
1200}
1201#endif
1202
1203#ifdef NDEBUG
1204    #define REG_JNI(name)      { name }
1205    struct RegJNIRec {
1206        int (*mProc)(JNIEnv*);
1207    };
1208#else
1209    #define REG_JNI(name)      { name, #name }
1210    struct RegJNIRec {
1211        int (*mProc)(JNIEnv*);
1212        const char* mName;
1213    };
1214#endif
1215
1216typedef void (*RegJAMProc)();
1217
1218static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1219{
1220    for (size_t i = 0; i < count; i++) {
1221        if (array[i].mProc(env) < 0) {
1222#ifndef NDEBUG
1223            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1224#endif
1225            return -1;
1226        }
1227    }
1228    return 0;
1229}
1230
1231static const RegJNIRec gRegJNI[] = {
1232    REG_JNI(register_com_android_internal_os_RuntimeInit),
1233    REG_JNI(register_android_os_SystemClock),
1234    REG_JNI(register_android_util_EventLog),
1235    REG_JNI(register_android_util_Log),
1236    REG_JNI(register_android_content_AssetManager),
1237    REG_JNI(register_android_content_StringBlock),
1238    REG_JNI(register_android_content_XmlBlock),
1239    REG_JNI(register_android_emoji_EmojiFactory),
1240    REG_JNI(register_android_text_AndroidCharacter),
1241    REG_JNI(register_android_text_StaticLayout),
1242    REG_JNI(register_android_text_AndroidBidi),
1243    REG_JNI(register_android_view_InputDevice),
1244    REG_JNI(register_android_view_KeyCharacterMap),
1245    REG_JNI(register_android_os_Process),
1246    REG_JNI(register_android_os_SystemProperties),
1247    REG_JNI(register_android_os_Binder),
1248    REG_JNI(register_android_os_Parcel),
1249    REG_JNI(register_android_nio_utils),
1250    REG_JNI(register_android_graphics_Graphics),
1251    REG_JNI(register_android_view_DisplayEventReceiver),
1252    REG_JNI(register_android_view_RenderNode),
1253    REG_JNI(register_android_view_RenderNodeAnimator),
1254    REG_JNI(register_android_view_GraphicBuffer),
1255    REG_JNI(register_android_view_GLES20Canvas),
1256    REG_JNI(register_android_view_HardwareLayer),
1257    REG_JNI(register_android_view_ThreadedRenderer),
1258    REG_JNI(register_android_view_Surface),
1259    REG_JNI(register_android_view_SurfaceControl),
1260    REG_JNI(register_android_view_SurfaceSession),
1261    REG_JNI(register_android_view_TextureView),
1262    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1263    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1264    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1265    REG_JNI(register_android_opengl_jni_EGL14),
1266    REG_JNI(register_android_opengl_jni_EGLExt),
1267    REG_JNI(register_android_opengl_jni_GLES10),
1268    REG_JNI(register_android_opengl_jni_GLES10Ext),
1269    REG_JNI(register_android_opengl_jni_GLES11),
1270    REG_JNI(register_android_opengl_jni_GLES11Ext),
1271    REG_JNI(register_android_opengl_jni_GLES20),
1272    REG_JNI(register_android_opengl_jni_GLES30),
1273    REG_JNI(register_android_opengl_jni_GLES31),
1274    REG_JNI(register_android_opengl_jni_GLES31Ext),
1275
1276    REG_JNI(register_android_graphics_Bitmap),
1277    REG_JNI(register_android_graphics_BitmapFactory),
1278    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1279    REG_JNI(register_android_graphics_Camera),
1280    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1281    REG_JNI(register_android_graphics_Canvas),
1282    REG_JNI(register_android_graphics_CanvasProperty),
1283    REG_JNI(register_android_graphics_ColorFilter),
1284    REG_JNI(register_android_graphics_DrawFilter),
1285    REG_JNI(register_android_graphics_FontFamily),
1286    REG_JNI(register_android_graphics_Interpolator),
1287    REG_JNI(register_android_graphics_LayerRasterizer),
1288    REG_JNI(register_android_graphics_MaskFilter),
1289    REG_JNI(register_android_graphics_Matrix),
1290    REG_JNI(register_android_graphics_Movie),
1291    REG_JNI(register_android_graphics_NinePatch),
1292    REG_JNI(register_android_graphics_Paint),
1293    REG_JNI(register_android_graphics_Path),
1294    REG_JNI(register_android_graphics_PathMeasure),
1295    REG_JNI(register_android_graphics_PathEffect),
1296    REG_JNI(register_android_graphics_Picture),
1297    REG_JNI(register_android_graphics_PorterDuff),
1298    REG_JNI(register_android_graphics_Rasterizer),
1299    REG_JNI(register_android_graphics_Region),
1300    REG_JNI(register_android_graphics_Shader),
1301    REG_JNI(register_android_graphics_SurfaceTexture),
1302    REG_JNI(register_android_graphics_Typeface),
1303    REG_JNI(register_android_graphics_Xfermode),
1304    REG_JNI(register_android_graphics_YuvImage),
1305    REG_JNI(register_android_graphics_pdf_PdfDocument),
1306    REG_JNI(register_android_graphics_pdf_PdfEditor),
1307    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1308
1309    REG_JNI(register_android_database_CursorWindow),
1310    REG_JNI(register_android_database_SQLiteConnection),
1311    REG_JNI(register_android_database_SQLiteGlobal),
1312    REG_JNI(register_android_database_SQLiteDebug),
1313    REG_JNI(register_android_os_Debug),
1314    REG_JNI(register_android_os_FileObserver),
1315    REG_JNI(register_android_os_MessageQueue),
1316    REG_JNI(register_android_os_SELinux),
1317    REG_JNI(register_android_os_Trace),
1318    REG_JNI(register_android_os_UEventObserver),
1319    REG_JNI(register_android_net_LocalSocketImpl),
1320    REG_JNI(register_android_net_NetworkUtils),
1321    REG_JNI(register_android_net_TrafficStats),
1322    REG_JNI(register_android_os_MemoryFile),
1323    REG_JNI(register_com_android_internal_os_Zygote),
1324    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1325    REG_JNI(register_android_hardware_Camera),
1326    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1327    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1328    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1329    REG_JNI(register_android_hardware_camera2_DngCreator),
1330    REG_JNI(register_android_hardware_SensorManager),
1331    REG_JNI(register_android_hardware_SerialPort),
1332    REG_JNI(register_android_hardware_SoundTrigger),
1333    REG_JNI(register_android_hardware_UsbDevice),
1334    REG_JNI(register_android_hardware_UsbDeviceConnection),
1335    REG_JNI(register_android_hardware_UsbRequest),
1336    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1337    REG_JNI(register_android_media_AudioRecord),
1338    REG_JNI(register_android_media_AudioSystem),
1339    REG_JNI(register_android_media_AudioTrack),
1340    REG_JNI(register_android_media_JetPlayer),
1341    REG_JNI(register_android_media_RemoteDisplay),
1342    REG_JNI(register_android_media_ToneGenerator),
1343
1344    REG_JNI(register_android_opengl_classes),
1345    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1346    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1347    REG_JNI(register_android_backup_BackupDataInput),
1348    REG_JNI(register_android_backup_BackupDataOutput),
1349    REG_JNI(register_android_backup_FileBackupHelperBase),
1350    REG_JNI(register_android_backup_BackupHelperDispatcher),
1351    REG_JNI(register_android_app_backup_FullBackup),
1352    REG_JNI(register_android_app_ActivityThread),
1353    REG_JNI(register_android_app_NativeActivity),
1354    REG_JNI(register_android_view_InputChannel),
1355    REG_JNI(register_android_view_InputEventReceiver),
1356    REG_JNI(register_android_view_InputEventSender),
1357    REG_JNI(register_android_view_InputQueue),
1358    REG_JNI(register_android_view_KeyEvent),
1359    REG_JNI(register_android_view_MotionEvent),
1360    REG_JNI(register_android_view_PointerIcon),
1361    REG_JNI(register_android_view_VelocityTracker),
1362
1363    REG_JNI(register_android_content_res_ObbScanner),
1364    REG_JNI(register_android_content_res_Configuration),
1365
1366    REG_JNI(register_android_animation_PropertyValuesHolder),
1367    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1368    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1369};
1370
1371/*
1372 * Register android native functions with the VM.
1373 */
1374/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1375{
1376    /*
1377     * This hook causes all future threads created in this process to be
1378     * attached to the JavaVM.  (This needs to go away in favor of JNI
1379     * Attach calls.)
1380     */
1381    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1382
1383    ALOGV("--- registering native functions ---\n");
1384
1385    /*
1386     * Every "register" function calls one or more things that return
1387     * a local reference (e.g. FindClass).  Because we haven't really
1388     * started the VM yet, they're all getting stored in the base frame
1389     * and never released.  Use Push/Pop to manage the storage.
1390     */
1391    env->PushLocalFrame(200);
1392
1393    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1394        env->PopLocalFrame(NULL);
1395        return -1;
1396    }
1397    env->PopLocalFrame(NULL);
1398
1399    //createJavaThread("fubar", quickTest, (void*) "hello");
1400
1401    return 0;
1402}
1403
1404AndroidRuntime* AndroidRuntime::getRuntime()
1405{
1406    return gCurRuntime;
1407}
1408
1409/**
1410 * Used by WithFramework to register native functions.
1411 */
1412extern "C"
1413jint Java_com_android_internal_util_WithFramework_registerNatives(
1414        JNIEnv* env, jclass clazz) {
1415    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1416}
1417
1418/**
1419 * Used by LoadClass to register native functions.
1420 */
1421extern "C"
1422jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1423    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1424}
1425
1426}   // namespace android
1427