AndroidRuntime.cpp revision 92faa96a26728370b2e3d002a83482e7345bfd0c 
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
194static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
195{
196    if (jniThrowException(env, exc, msg) != 0)
197        assert(false);
198}
199
200/*
201 * Code written in the Java Programming Language calls here from main().
202 */
203static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
204{
205    gCurRuntime->onStarted();
206}
207
208static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
209{
210    gCurRuntime->onZygoteInit();
211}
212
213static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
214        jobject clazz, jboolean exitWithoutCleanup)
215{
216    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
217}
218
219/*
220 * JNI registration.
221 */
222static JNINativeMethod gMethods[] = {
223    { "nativeFinishInit", "()V",
224        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
225    { "nativeZygoteInit", "()V",
226        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
227    { "nativeSetExitWithoutCleanup", "(Z)V",
228        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
229};
230
231int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
232{
233    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
234        gMethods, NELEM(gMethods));
235}
236
237// ----------------------------------------------------------------------
238
239/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
240
241AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
242        mExitWithoutCleanup(false),
243        mArgBlockStart(argBlockStart),
244        mArgBlockLength(argBlockLength)
245{
246    SkGraphics::Init();
247    // There is also a global font cache, but its budget is specified in code
248    // see SkFontHost_android.cpp
249
250    // Pre-allocate enough space to hold a fair number of options.
251    mOptions.setCapacity(20);
252
253    assert(gCurRuntime == NULL);        // one per process
254    gCurRuntime = this;
255}
256
257AndroidRuntime::~AndroidRuntime()
258{
259    SkGraphics::Term();
260}
261
262/*
263 * Register native methods using JNI.
264 */
265/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
266    const char* className, const JNINativeMethod* gMethods, int numMethods)
267{
268    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
269}
270
271void AndroidRuntime::setArgv0(const char* argv0) {
272    memset(mArgBlockStart, 0, mArgBlockLength);
273    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
274}
275
276status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
277    const Vector<String8>& args)
278{
279    JNIEnv* env;
280    jmethodID methodId;
281
282    ALOGD("Calling main entry %s", className.string());
283
284    env = getJNIEnv();
285    if (clazz == NULL || env == NULL) {
286        return UNKNOWN_ERROR;
287    }
288
289    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
290    if (methodId == NULL) {
291        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
292        return UNKNOWN_ERROR;
293    }
294
295    /*
296     * We want to call main() with a String array with our arguments in it.
297     * Create an array and populate it.
298     */
299    jclass stringClass;
300    jobjectArray strArray;
301
302    const size_t numArgs = args.size();
303    stringClass = env->FindClass("java/lang/String");
304    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
305
306    for (size_t i = 0; i < numArgs; i++) {
307        jstring argStr = env->NewStringUTF(args[i].string());
308        env->SetObjectArrayElement(strArray, i, argStr);
309    }
310
311    env->CallStaticVoidMethod(clazz, methodId, strArray);
312    return NO_ERROR;
313}
314
315/*
316 * The VM calls this through the "exit" hook.
317 */
318static void runtime_exit(int code)
319{
320    gCurRuntime->exit(code);
321}
322
323/*
324 * The VM calls this through the "vfprintf" hook.
325 *
326 * We ignore "fp" and just write the results to the log file.
327 */
328static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
329{
330    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
331}
332
333/**
334 * The VM calls this when mutex contention debugging is enabled to
335 * determine whether or not the blocked thread was a "sensitive thread"
336 * for user responsiveness/smoothess.
337 *
338 * Our policy for this is whether or not we're tracing any StrictMode
339 * events on this thread (which we might've inherited via Binder calls
340 * into us)
341 */
342static bool runtime_isSensitiveThread() {
343    IPCThreadState* state = IPCThreadState::selfOrNull();
344    return state && state->getStrictModePolicy() != 0;
345}
346
347static int hasDir(const char* dir)
348{
349    struct stat s;
350    int res = stat(dir, &s);
351    if (res == 0) {
352        return S_ISDIR(s.st_mode);
353    }
354    return 0;
355}
356
357/*
358 * Read the persistent locale.
359 */
360static void readLocale(char* language, char* region)
361{
362    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
363
364    property_get("persist.sys.language", propLang, "");
365    property_get("persist.sys.country", propRegn, "");
366    if (*propLang == 0 && *propRegn == 0) {
367        /* Set to ro properties, default is en_US */
368        property_get("ro.product.locale.language", propLang, "en");
369        property_get("ro.product.locale.region", propRegn, "US");
370    }
371    strncat(language, propLang, 3);
372    strncat(region, propRegn, 3);
373    //ALOGD("language=%s region=%s\n", language, region);
374}
375
376void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
377{
378    JavaVMOption opt;
379    opt.optionString = optionString;
380    opt.extraInfo = extraInfo;
381    mOptions.add(opt);
382}
383
384/*
385 * Parse a property containing space-separated options that should be
386 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
387 *
388 * This will cut up "extraOptsBuf" as we chop it into individual options.
389 *
390 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
391 *
392 * Adds the strings, if any, to mOptions.
393 */
394void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
395{
396    char* start = extraOptsBuf;
397    char* end = NULL;
398    while (*start != '\0') {
399        while (*start == ' ')                   /* skip leading whitespace */
400            start++;
401        if (*start == '\0')                     /* was trailing ws, bail */
402            break;
403
404        end = start+1;
405        while (*end != ' ' && *end != '\0')     /* find end of token */
406            end++;
407        if (*end == ' ')
408            *end++ = '\0';          /* mark end, advance to indicate more */
409
410        if (quotingArg != NULL) {
411            addOption(quotingArg);
412        }
413        addOption(start);
414        start = end;
415    }
416}
417
418/*
419 * Reads a "property" into "buffer" with a default of "defaultArg". If
420 * the property is non-empty, it is treated as a runtime option such
421 * as "-Xmx32m".
422 *
423 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
424 *
425 * If an argument is found, it is added to mOptions.
426 *
427 * If an option is found, it is added to mOptions and true is
428 * returned. Otherwise false is returned.
429 */
430bool AndroidRuntime::parseRuntimeOption(const char* property,
431                                        char* buffer,
432                                        const char* runtimeArg,
433                                        const char* defaultArg)
434{
435    strcpy(buffer, runtimeArg);
436    size_t runtimeArgLen = strlen(runtimeArg);
437    property_get(property, buffer+runtimeArgLen, defaultArg);
438    if (buffer[runtimeArgLen] == '\0') {
439        return false;
440    }
441    addOption(buffer);
442    return true;
443}
444
445/*
446 * Reads a "property" into "buffer". If the property is non-empty, it
447 * is treated as a dex2oat compiler option that should be
448 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
449 *
450 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
451 *
452 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
453 *
454 * If an option is found, it is added to mOptions and true is
455 * returned. Otherwise false is returned.
456 */
457bool AndroidRuntime::parseCompilerOption(const char* property,
458                                         char* buffer,
459                                         const char* compilerArg,
460                                         const char* quotingArg)
461{
462    strcpy(buffer, compilerArg);
463    size_t compilerArgLen = strlen(compilerArg);
464    property_get(property, buffer+compilerArgLen, "");
465    if (buffer[compilerArgLen] == '\0') {
466        return false;
467    }
468    addOption(quotingArg);
469    addOption(buffer);
470    return true;
471}
472
473/*
474 * Reads a "property" into "buffer". If the property is non-empty, it
475 * is treated as a dex2oat compiler runtime option that should be
476 * passed as a quoted option, e.g. "-Ximage-compiler-option
477 * --runtime-arg -Ximage-compiler-option -Xmx32m".
478 *
479 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
480 *
481 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
482 *
483 * If an option is found, it is added to mOptions and true is
484 * returned. Otherwise false is returned.
485 */
486bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
487                                                char* buffer,
488                                                const char* runtimeArg,
489                                                const char* quotingArg)
490{
491    strcpy(buffer, runtimeArg);
492    size_t runtimeArgLen = strlen(runtimeArg);
493    property_get(property, buffer+runtimeArgLen, "");
494    if (buffer[runtimeArgLen] == '\0') {
495        return false;
496    }
497    addOption(quotingArg);
498    addOption("--runtime-arg");
499    addOption(quotingArg);
500    addOption(buffer);
501    return true;
502}
503
504/*
505 * Start the Dalvik Virtual Machine.
506 *
507 * Various arguments, most determined by system properties, are passed in.
508 * The "mOptions" vector is updated.
509 *
510 * CAUTION: when adding options in here, be careful not to put the
511 * char buffer inside a nested scope.  Adding the buffer to the
512 * options using mOptions.add() does not copy the buffer, so if the
513 * buffer goes out of scope the option may be overwritten.  It's best
514 * to put the buffer at the top of the function so that it is more
515 * unlikely that someone will surround it in a scope at a later time
516 * and thus introduce a bug.
517 *
518 * Returns 0 on success.
519 */
520int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
521{
522    int result = -1;
523    JavaVMInitArgs initArgs;
524    char propBuf[PROPERTY_VALUE_MAX];
525    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
526    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
527    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
528    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
529    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
530    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
531    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
532    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
533    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
534    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
535    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
536    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
537    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
538    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
539    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
540    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
541    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
542    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
543    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
544    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
545    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
546    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
547    char extraOptsBuf[PROPERTY_VALUE_MAX];
548    char voldDecryptBuf[PROPERTY_VALUE_MAX];
549    enum {
550      kEMDefault,
551      kEMIntPortable,
552      kEMIntFast,
553      kEMJitCompiler,
554    } executionMode = kEMDefault;
555    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
556    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
557    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
558    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
559    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
560    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
561                                    PROPERTY_VALUE_MAX];
562    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
563    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
564    char langOption[sizeof("-Duser.language=") + 3];
565    char regionOption[sizeof("-Duser.region=") + 3];
566    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
567    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
568    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
569    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
570
571    bool checkJni = false;
572    property_get("dalvik.vm.checkjni", propBuf, "");
573    if (strcmp(propBuf, "true") == 0) {
574        checkJni = true;
575    } else if (strcmp(propBuf, "false") != 0) {
576        /* property is neither true nor false; fall back on kernel parameter */
577        property_get("ro.kernel.android.checkjni", propBuf, "");
578        if (propBuf[0] == '1') {
579            checkJni = true;
580        }
581    }
582    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
583    if (checkJni) {
584        /* extended JNI checking */
585        addOption("-Xcheck:jni");
586
587        /* set a cap on JNI global references */
588        addOption("-Xjnigreflimit:2000");
589
590        /* with -Xcheck:jni, this provides a JNI function call trace */
591        //addOption("-verbose:jni");
592    }
593
594    property_get("dalvik.vm.execution-mode", propBuf, "");
595    if (strcmp(propBuf, "int:portable") == 0) {
596        executionMode = kEMIntPortable;
597    } else if (strcmp(propBuf, "int:fast") == 0) {
598        executionMode = kEMIntFast;
599    } else if (strcmp(propBuf, "int:jit") == 0) {
600        executionMode = kEMJitCompiler;
601    }
602
603    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
604
605    property_get("dalvik.vm.check-dex-sum", propBuf, "");
606    if (strcmp(propBuf, "true") == 0) {
607        /* perform additional DEX checksum tests */
608        addOption("-Xcheckdexsum");
609    }
610
611    property_get("log.redirect-stdio", propBuf, "");
612    if (strcmp(propBuf, "true") == 0) {
613        /* convert stdout/stderr to log messages */
614        addOption("-Xlog-stdio");
615    }
616
617    strcpy(enableAssertBuf, "-ea:");
618    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
619    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
620        /* accept "all" to mean "all classes and packages" */
621        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
622            enableAssertBuf[3] = '\0'; // truncate to "-ea"
623        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
624        addOption(enableAssertBuf);
625    } else {
626        ALOGV("Assertions disabled\n");
627    }
628
629    strcpy(jniOptsBuf, "-Xjniopts:");
630    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
631        ALOGI("JNI options: '%s'\n", jniOptsBuf);
632    }
633
634    /* route exit() to our handler */
635    addOption("exit", (void*) runtime_exit);
636
637    /* route fprintf() to our handler */
638    addOption("vfprintf", (void*) runtime_vfprintf);
639
640    /* register the framework-specific "is sensitive thread" hook */
641    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
642
643    /* enable verbose; standard options are { jni, gc, class } */
644    //addOption("-verbose:jni");
645    addOption("-verbose:gc");
646    //addOption("-verbose:class");
647
648    /*
649     * The default starting and maximum size of the heap.  Larger
650     * values should be specified in a product property override.
651     */
652    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
653    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
654
655    // Increase the main thread's interpreter stack size for bug 6315322.
656    addOption("-XX:mainThreadStackSize=24K");
657
658    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
659    parseRuntimeOption("dalvik.vm.jit.codecachesize",
660                       jitcodecachesizeOptsBuf,
661                       "-Xjitcodecachesize:");
662
663    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
664    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
665    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
666    parseRuntimeOption("dalvik.vm.heaptargetutilization",
667                       heaptargetutilizationOptsBuf,
668                       "-XX:HeapTargetUtilization=");
669
670    property_get("ro.config.low_ram", propBuf, "");
671    if (strcmp(propBuf, "true") == 0) {
672      addOption("-XX:LowMemoryMode");
673    }
674
675    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
676    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
677
678    /*
679     * Enable or disable dexopt features, such as bytecode verification and
680     * calculation of register maps for precise GC.
681     */
682    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
683    if (dexoptFlagsBuf[0] != '\0') {
684        const char* opc;
685        const char* val;
686
687        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
688        if (opc != NULL) {
689            switch (*(opc+2)) {
690            case 'n':   val = "-Xverify:none";      break;
691            case 'r':   val = "-Xverify:remote";    break;
692            case 'a':   val = "-Xverify:all";       break;
693            default:    val = NULL;                 break;
694            }
695
696            if (val != NULL) {
697                addOption(val);
698            }
699        }
700
701        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
702        if (opc != NULL) {
703            switch (*(opc+2)) {
704            case 'n':   val = "-Xdexopt:none";      break;
705            case 'v':   val = "-Xdexopt:verified";  break;
706            case 'a':   val = "-Xdexopt:all";       break;
707            case 'f':   val = "-Xdexopt:full";      break;
708            default:    val = NULL;                 break;
709            }
710
711            if (val != NULL) {
712                addOption(val);
713            }
714        }
715
716        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
717        if (opc != NULL) {
718            addOption("-Xgenregmap");
719
720            /* turn on precise GC while we're at it */
721            addOption("-Xgc:precise");
722        }
723    }
724
725    /* enable debugging; set suspend=y to pause during VM init */
726    /* use android ADB transport */
727    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
728
729    parseRuntimeOption("dalvik.vm.lockprof.threshold",
730                       lockProfThresholdBuf,
731                       "-Xlockprofthreshold:");
732
733    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
734    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
735
736    /* Force interpreter-only mode for selected methods */
737    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
738
739    if (executionMode == kEMIntPortable) {
740        addOption("-Xint:portable");
741    } else if (executionMode == kEMIntFast) {
742        addOption("-Xint:fast");
743    } else if (executionMode == kEMJitCompiler) {
744        addOption("-Xint:jit");
745    }
746
747    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
748    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
749    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
750
751    if (libart) {
752        // If we booting without the real /data, don't spend time compiling.
753        property_get("vold.decrypt", voldDecryptBuf, "");
754        bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
755                                 (strcmp(voldDecryptBuf, "1") == 0));
756
757        // Extra options for boot.art/boot.oat image generation.
758        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
759                                   "-Xms", "-Ximage-compiler-option");
760        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
761                                   "-Xmx", "-Ximage-compiler-option");
762        if (skip_compilation) {
763            addOption("-Ximage-compiler-option");
764            addOption("--compiler-filter=verify-none");
765        } else {
766            parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
767                                "--compiler-filter=", "-Ximage-compiler-option");
768        }
769        addOption("-Ximage-compiler-option");
770        addOption("--image-classes-zip=/system/framework/framework.jar");
771        addOption("-Ximage-compiler-option");
772        addOption("--image-classes=preloaded-classes");
773        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
774        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
775
776        // Extra options for DexClassLoader.
777        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
778                                   "-Xms", "-Xcompiler-option");
779        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
780                                   "-Xmx", "-Xcompiler-option");
781        if (skip_compilation) {
782            addOption("-Xcompiler-option");
783            addOption("--compiler-filter=verify-none");
784        } else {
785            parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
786                                "--compiler-filter=", "-Xcompiler-option");
787        }
788        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
789        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
790
791    }
792
793    /* extra options; parse this late so it overrides others */
794    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
795    parseExtraOpts(extraOptsBuf, NULL);
796
797    /* Set the properties for locale */
798    {
799        strcpy(langOption, "-Duser.language=");
800        strcpy(regionOption, "-Duser.region=");
801        readLocale(langOption, regionOption);
802        addOption(langOption);
803        addOption(regionOption);
804    }
805
806    /*
807     * Set profiler options
808     */
809    if (libart) {
810        // Whether or not the profiler should be enabled.
811        property_get("dalvik.vm.profiler", propBuf, "0");
812        if (propBuf[0] == '1') {
813            addOption("-Xenable-profiler");
814        }
815
816        // Whether the profile should start upon app startup or be delayed by some random offset
817        // (in seconds) that is bound between 0 and a fixed value.
818        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
819        if (propBuf[0] == '1') {
820            addOption("-Xprofile-start-immediately");
821        }
822
823        // Number of seconds during profile runs.
824        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
825
826        // Length of each profile run (seconds).
827        parseRuntimeOption("dalvik.vm.profile.duration-secs",
828                           profileDuration,
829                           "-Xprofile-duration:");
830
831        // Polling interval during profile run (microseconds).
832        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
833
834        // Coefficient for period backoff.  The the period is multiplied
835        // by this value after each profile run.
836        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
837
838        // Top K% of samples that are considered relevant when
839        // deciding if the app should be recompiled.
840        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
841                           profileTopKThreshold,
842                           "-Xprofile-top-k-threshold:");
843
844        // The threshold after which a change in the structure of the
845        // top K% profiled samples becomes significant and triggers
846        // recompilation. A change in profile is considered
847        // significant if X% (top-k-change-threshold) of the top K%
848        // (top-k-threshold property) samples has changed.
849        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
850                           profileTopKChangeThreshold,
851                           "-Xprofile-top-k-change-threshold:");
852
853        // Type of profile data.
854        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
855
856        // Depth of bounded stack data
857        parseRuntimeOption("dalvik.vm.profile.stack-depth",
858                           profileMaxStackDepth,
859                           "-Xprofile-max-stack-depth:");
860
861        // Native bridge library. "0" means that native bridge is disabled.
862        property_get("ro.dalvik.vm.native.bridge", propBuf, "");
863        if (propBuf[0] == '\0') {
864            ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
865        } else if (strcmp(propBuf, "0") != 0) {
866            snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
867                     "-XX:NativeBridge=%s", propBuf);
868            addOption(nativeBridgeLibrary);
869        }
870    }
871
872    initArgs.version = JNI_VERSION_1_4;
873    initArgs.options = mOptions.editArray();
874    initArgs.nOptions = mOptions.size();
875    initArgs.ignoreUnrecognized = JNI_FALSE;
876
877    /*
878     * Initialize the VM.
879     *
880     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
881     * If this call succeeds, the VM is ready, and we can start issuing
882     * JNI calls.
883     */
884    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
885        ALOGE("JNI_CreateJavaVM failed\n");
886        goto bail;
887    }
888
889    result = 0;
890
891bail:
892    return result;
893}
894
895char* AndroidRuntime::toSlashClassName(const char* className)
896{
897    char* result = strdup(className);
898    for (char* cp = result; *cp != '\0'; cp++) {
899        if (*cp == '.') {
900            *cp = '/';
901        }
902    }
903    return result;
904}
905
906/** Create a Java string from an ASCII or Latin-1 string */
907jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
908    if (!bytes) return NULL;
909    int length = strlen(bytes);
910    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
911    if (!buffer) return NULL;
912    jchar* chp = buffer;
913    for (int i = 0; i < length; i++) {
914        *chp++ = *bytes++;
915    }
916    return env->NewString(buffer, length);
917}
918
919
920/*
921 * Start the Android runtime.  This involves starting the virtual machine
922 * and calling the "static void main(String[] args)" method in the class
923 * named by "className".
924 *
925 * Passes the main function two arguments, the class name and the specified
926 * options string.
927 */
928void AndroidRuntime::start(const char* className, const Vector<String8>& options)
929{
930    ALOGD(">>>>>> START %s uid %d <<<<<<\n",
931            className != NULL ? className : "(unknown)", getuid());
932
933    static const String8 startSystemServer("start-system-server");
934
935    /*
936     * 'startSystemServer == true' means runtime is obsolete and not run from
937     * init.rc anymore, so we print out the boot start event here.
938     */
939    for (size_t i = 0; i < options.size(); ++i) {
940        if (options[i] == startSystemServer) {
941           /* track our progress through the boot sequence */
942           const int LOG_BOOT_PROGRESS_START = 3000;
943           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
944        }
945    }
946
947    const char* rootDir = getenv("ANDROID_ROOT");
948    if (rootDir == NULL) {
949        rootDir = "/system";
950        if (!hasDir("/system")) {
951            LOG_FATAL("No root directory specified, and /android does not exist.");
952            return;
953        }
954        setenv("ANDROID_ROOT", rootDir, 1);
955    }
956
957    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
958    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
959
960    /* start the virtual machine */
961    JniInvocation jni_invocation;
962    jni_invocation.Init(NULL);
963    JNIEnv* env;
964    if (startVm(&mJavaVM, &env) != 0) {
965        return;
966    }
967    onVmCreated(env);
968
969    /*
970     * Register android functions.
971     */
972    if (startReg(env) < 0) {
973        ALOGE("Unable to register all android natives\n");
974        return;
975    }
976
977    /*
978     * We want to call main() with a String array with arguments in it.
979     * At present we have two arguments, the class name and an option string.
980     * Create an array to hold them.
981     */
982    jclass stringClass;
983    jobjectArray strArray;
984    jstring classNameStr;
985
986    stringClass = env->FindClass("java/lang/String");
987    assert(stringClass != NULL);
988    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
989    assert(strArray != NULL);
990    classNameStr = env->NewStringUTF(className);
991    assert(classNameStr != NULL);
992    env->SetObjectArrayElement(strArray, 0, classNameStr);
993
994    for (size_t i = 0; i < options.size(); ++i) {
995        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
996        assert(optionsStr != NULL);
997        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
998    }
999
1000    /*
1001     * Start VM.  This thread becomes the main thread of the VM, and will
1002     * not return until the VM exits.
1003     */
1004    char* slashClassName = toSlashClassName(className);
1005    jclass startClass = env->FindClass(slashClassName);
1006    if (startClass == NULL) {
1007        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1008        /* keep going */
1009    } else {
1010        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1011            "([Ljava/lang/String;)V");
1012        if (startMeth == NULL) {
1013            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1014            /* keep going */
1015        } else {
1016            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1017
1018#if 0
1019            if (env->ExceptionCheck())
1020                threadExitUncaughtException(env);
1021#endif
1022        }
1023    }
1024    free(slashClassName);
1025
1026    ALOGD("Shutting down VM\n");
1027    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1028        ALOGW("Warning: unable to detach main thread\n");
1029    if (mJavaVM->DestroyJavaVM() != 0)
1030        ALOGW("Warning: VM did not shut down cleanly\n");
1031}
1032
1033void AndroidRuntime::exit(int code)
1034{
1035    if (mExitWithoutCleanup) {
1036        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1037        ::_exit(code);
1038    } else {
1039        ALOGI("VM exiting with result code %d.", code);
1040        onExit(code);
1041        ::exit(code);
1042    }
1043}
1044
1045void AndroidRuntime::onVmCreated(JNIEnv* env)
1046{
1047    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1048}
1049
1050/*
1051 * Get the JNIEnv pointer for this thread.
1052 *
1053 * Returns NULL if the slot wasn't allocated or populated.
1054 */
1055/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1056{
1057    JNIEnv* env;
1058    JavaVM* vm = AndroidRuntime::getJavaVM();
1059    assert(vm != NULL);
1060
1061    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1062        return NULL;
1063    return env;
1064}
1065
1066/*
1067 * Makes the current thread visible to the VM.
1068 *
1069 * The JNIEnv pointer returned is only valid for the current thread, and
1070 * thus must be tucked into thread-local storage.
1071 */
1072static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1073{
1074    JavaVMAttachArgs args;
1075    JavaVM* vm;
1076    jint result;
1077
1078    vm = AndroidRuntime::getJavaVM();
1079    assert(vm != NULL);
1080
1081    args.version = JNI_VERSION_1_4;
1082    args.name = (char*) threadName;
1083    args.group = NULL;
1084
1085    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1086    if (result != JNI_OK)
1087        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1088
1089    return result;
1090}
1091
1092/*
1093 * Detach the current thread from the set visible to the VM.
1094 */
1095static int javaDetachThread(void)
1096{
1097    JavaVM* vm;
1098    jint result;
1099
1100    vm = AndroidRuntime::getJavaVM();
1101    assert(vm != NULL);
1102
1103    result = vm->DetachCurrentThread();
1104    if (result != JNI_OK)
1105        ALOGE("ERROR: thread detach failed\n");
1106    return result;
1107}
1108
1109/*
1110 * When starting a native thread that will be visible from the VM, we
1111 * bounce through this to get the right attach/detach action.
1112 * Note that this function calls free(args)
1113 */
1114/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1115    void* start = ((void**)args)[0];
1116    void* userData = ((void **)args)[1];
1117    char* name = (char*) ((void **)args)[2];        // we own this storage
1118    free(args);
1119    JNIEnv* env;
1120    int result;
1121
1122    /* hook us into the VM */
1123    if (javaAttachThread(name, &env) != JNI_OK)
1124        return -1;
1125
1126    /* start the thread running */
1127    result = (*(android_thread_func_t)start)(userData);
1128
1129    /* unhook us */
1130    javaDetachThread();
1131    free(name);
1132
1133    return result;
1134}
1135
1136/*
1137 * This is invoked from androidCreateThreadEtc() via the callback
1138 * set with androidSetCreateThreadFunc().
1139 *
1140 * We need to create the new thread in such a way that it gets hooked
1141 * into the VM before it really starts executing.
1142 */
1143/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1144                                android_thread_func_t entryFunction,
1145                                void* userData,
1146                                const char* threadName,
1147                                int32_t threadPriority,
1148                                size_t threadStackSize,
1149                                android_thread_id_t* threadId)
1150{
1151    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1152    int result;
1153
1154    if (!threadName)
1155        threadName = "unnamed thread";
1156
1157    args[0] = (void*) entryFunction;
1158    args[1] = userData;
1159    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1160
1161    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1162        threadName, threadPriority, threadStackSize, threadId);
1163    return result;
1164}
1165
1166/*
1167 * Create a thread that is visible from the VM.
1168 *
1169 * This is called from elsewhere in the library.
1170 */
1171/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1172    void (*start)(void *), void* arg)
1173{
1174    android_thread_id_t threadId = 0;
1175    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1176        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1177    return threadId;
1178}
1179
1180#if 0
1181static void quickTest(void* arg)
1182{
1183    const char* str = (const char*) arg;
1184
1185    printf("In quickTest: %s\n", str);
1186}
1187#endif
1188
1189#ifdef NDEBUG
1190    #define REG_JNI(name)      { name }
1191    struct RegJNIRec {
1192        int (*mProc)(JNIEnv*);
1193    };
1194#else
1195    #define REG_JNI(name)      { name, #name }
1196    struct RegJNIRec {
1197        int (*mProc)(JNIEnv*);
1198        const char* mName;
1199    };
1200#endif
1201
1202typedef void (*RegJAMProc)();
1203
1204static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1205{
1206    for (size_t i = 0; i < count; i++) {
1207        if (array[i].mProc(env) < 0) {
1208#ifndef NDEBUG
1209            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1210#endif
1211            return -1;
1212        }
1213    }
1214    return 0;
1215}
1216
1217static void register_jam_procs(const RegJAMProc array[], size_t count)
1218{
1219    for (size_t i = 0; i < count; i++) {
1220        array[i]();
1221    }
1222}
1223
1224static const RegJNIRec gRegJNI[] = {
1225    REG_JNI(register_com_android_internal_os_RuntimeInit),
1226    REG_JNI(register_android_os_SystemClock),
1227    REG_JNI(register_android_util_EventLog),
1228    REG_JNI(register_android_util_Log),
1229    REG_JNI(register_android_content_AssetManager),
1230    REG_JNI(register_android_content_StringBlock),
1231    REG_JNI(register_android_content_XmlBlock),
1232    REG_JNI(register_android_emoji_EmojiFactory),
1233    REG_JNI(register_android_text_AndroidCharacter),
1234    REG_JNI(register_android_text_StaticLayout),
1235    REG_JNI(register_android_text_AndroidBidi),
1236    REG_JNI(register_android_view_InputDevice),
1237    REG_JNI(register_android_view_KeyCharacterMap),
1238    REG_JNI(register_android_os_Process),
1239    REG_JNI(register_android_os_SystemProperties),
1240    REG_JNI(register_android_os_Binder),
1241    REG_JNI(register_android_os_Parcel),
1242    REG_JNI(register_android_nio_utils),
1243    REG_JNI(register_android_graphics_Graphics),
1244    REG_JNI(register_android_view_DisplayEventReceiver),
1245    REG_JNI(register_android_view_RenderNode),
1246    REG_JNI(register_android_view_RenderNodeAnimator),
1247    REG_JNI(register_android_view_GraphicBuffer),
1248    REG_JNI(register_android_view_GLES20Canvas),
1249    REG_JNI(register_android_view_HardwareLayer),
1250    REG_JNI(register_android_view_ThreadedRenderer),
1251    REG_JNI(register_android_view_Surface),
1252    REG_JNI(register_android_view_SurfaceControl),
1253    REG_JNI(register_android_view_SurfaceSession),
1254    REG_JNI(register_android_view_TextureView),
1255    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1256    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1257    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1258    REG_JNI(register_android_opengl_jni_EGL14),
1259    REG_JNI(register_android_opengl_jni_EGLExt),
1260    REG_JNI(register_android_opengl_jni_GLES10),
1261    REG_JNI(register_android_opengl_jni_GLES10Ext),
1262    REG_JNI(register_android_opengl_jni_GLES11),
1263    REG_JNI(register_android_opengl_jni_GLES11Ext),
1264    REG_JNI(register_android_opengl_jni_GLES20),
1265    REG_JNI(register_android_opengl_jni_GLES30),
1266    REG_JNI(register_android_opengl_jni_GLES31),
1267    REG_JNI(register_android_opengl_jni_GLES31Ext),
1268
1269    REG_JNI(register_android_graphics_Bitmap),
1270    REG_JNI(register_android_graphics_BitmapFactory),
1271    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1272    REG_JNI(register_android_graphics_Camera),
1273    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1274    REG_JNI(register_android_graphics_Canvas),
1275    REG_JNI(register_android_graphics_CanvasProperty),
1276    REG_JNI(register_android_graphics_ColorFilter),
1277    REG_JNI(register_android_graphics_DrawFilter),
1278    REG_JNI(register_android_graphics_FontFamily),
1279    REG_JNI(register_android_graphics_Interpolator),
1280    REG_JNI(register_android_graphics_LayerRasterizer),
1281    REG_JNI(register_android_graphics_MaskFilter),
1282    REG_JNI(register_android_graphics_Matrix),
1283    REG_JNI(register_android_graphics_Movie),
1284    REG_JNI(register_android_graphics_NinePatch),
1285    REG_JNI(register_android_graphics_Paint),
1286    REG_JNI(register_android_graphics_Path),
1287    REG_JNI(register_android_graphics_PathMeasure),
1288    REG_JNI(register_android_graphics_PathEffect),
1289    REG_JNI(register_android_graphics_Picture),
1290    REG_JNI(register_android_graphics_PorterDuff),
1291    REG_JNI(register_android_graphics_Rasterizer),
1292    REG_JNI(register_android_graphics_Region),
1293    REG_JNI(register_android_graphics_Shader),
1294    REG_JNI(register_android_graphics_SurfaceTexture),
1295    REG_JNI(register_android_graphics_Typeface),
1296    REG_JNI(register_android_graphics_Xfermode),
1297    REG_JNI(register_android_graphics_YuvImage),
1298    REG_JNI(register_android_graphics_pdf_PdfDocument),
1299    REG_JNI(register_android_graphics_pdf_PdfEditor),
1300    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1301
1302    REG_JNI(register_android_database_CursorWindow),
1303    REG_JNI(register_android_database_SQLiteConnection),
1304    REG_JNI(register_android_database_SQLiteGlobal),
1305    REG_JNI(register_android_database_SQLiteDebug),
1306    REG_JNI(register_android_os_Debug),
1307    REG_JNI(register_android_os_FileObserver),
1308    REG_JNI(register_android_os_MessageQueue),
1309    REG_JNI(register_android_os_SELinux),
1310    REG_JNI(register_android_os_Trace),
1311    REG_JNI(register_android_os_UEventObserver),
1312    REG_JNI(register_android_net_LocalSocketImpl),
1313    REG_JNI(register_android_net_NetworkUtils),
1314    REG_JNI(register_android_net_TrafficStats),
1315    REG_JNI(register_android_os_MemoryFile),
1316    REG_JNI(register_com_android_internal_os_ZygoteInit),
1317    REG_JNI(register_com_android_internal_os_Zygote),
1318    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1319    REG_JNI(register_android_hardware_Camera),
1320    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1321    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1322    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1323    REG_JNI(register_android_hardware_camera2_DngCreator),
1324    REG_JNI(register_android_hardware_SensorManager),
1325    REG_JNI(register_android_hardware_SerialPort),
1326    REG_JNI(register_android_hardware_SoundTrigger),
1327    REG_JNI(register_android_hardware_UsbDevice),
1328    REG_JNI(register_android_hardware_UsbDeviceConnection),
1329    REG_JNI(register_android_hardware_UsbRequest),
1330    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1331    REG_JNI(register_android_media_AudioRecord),
1332    REG_JNI(register_android_media_AudioSystem),
1333    REG_JNI(register_android_media_AudioTrack),
1334    REG_JNI(register_android_media_JetPlayer),
1335    REG_JNI(register_android_media_RemoteDisplay),
1336    REG_JNI(register_android_media_ToneGenerator),
1337
1338    REG_JNI(register_android_opengl_classes),
1339    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1340    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1341    REG_JNI(register_android_backup_BackupDataInput),
1342    REG_JNI(register_android_backup_BackupDataOutput),
1343    REG_JNI(register_android_backup_FileBackupHelperBase),
1344    REG_JNI(register_android_backup_BackupHelperDispatcher),
1345    REG_JNI(register_android_app_backup_FullBackup),
1346    REG_JNI(register_android_app_ActivityThread),
1347    REG_JNI(register_android_app_NativeActivity),
1348    REG_JNI(register_android_view_InputChannel),
1349    REG_JNI(register_android_view_InputEventReceiver),
1350    REG_JNI(register_android_view_InputEventSender),
1351    REG_JNI(register_android_view_InputQueue),
1352    REG_JNI(register_android_view_KeyEvent),
1353    REG_JNI(register_android_view_MotionEvent),
1354    REG_JNI(register_android_view_PointerIcon),
1355    REG_JNI(register_android_view_VelocityTracker),
1356
1357    REG_JNI(register_android_content_res_ObbScanner),
1358    REG_JNI(register_android_content_res_Configuration),
1359
1360    REG_JNI(register_android_animation_PropertyValuesHolder),
1361    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1362    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1363};
1364
1365/*
1366 * Register android native functions with the VM.
1367 */
1368/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1369{
1370    /*
1371     * This hook causes all future threads created in this process to be
1372     * attached to the JavaVM.  (This needs to go away in favor of JNI
1373     * Attach calls.)
1374     */
1375    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1376
1377    ALOGV("--- registering native functions ---\n");
1378
1379    /*
1380     * Every "register" function calls one or more things that return
1381     * a local reference (e.g. FindClass).  Because we haven't really
1382     * started the VM yet, they're all getting stored in the base frame
1383     * and never released.  Use Push/Pop to manage the storage.
1384     */
1385    env->PushLocalFrame(200);
1386
1387    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1388        env->PopLocalFrame(NULL);
1389        return -1;
1390    }
1391    env->PopLocalFrame(NULL);
1392
1393    //createJavaThread("fubar", quickTest, (void*) "hello");
1394
1395    return 0;
1396}
1397
1398AndroidRuntime* AndroidRuntime::getRuntime()
1399{
1400    return gCurRuntime;
1401}
1402
1403/**
1404 * Used by WithFramework to register native functions.
1405 */
1406extern "C"
1407jint Java_com_android_internal_util_WithFramework_registerNatives(
1408        JNIEnv* env, jclass clazz) {
1409    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1410}
1411
1412/**
1413 * Used by LoadClass to register native functions.
1414 */
1415extern "C"
1416jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1417    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1418}
1419
1420}   // namespace android
1421