AndroidRuntime.cpp revision be20ed41f7b8a8879da733c2b5bce85bcb30c76b 
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
98extern int register_android_util_FloatMath(JNIEnv* env);
99
100namespace android {
101
102/*
103 * JNI-based registration functions.  Note these are properly contained in
104 * namespace android.
105 */
106extern int register_android_content_AssetManager(JNIEnv* env);
107extern int register_android_util_EventLog(JNIEnv* env);
108extern int register_android_util_Log(JNIEnv* env);
109extern int register_android_content_StringBlock(JNIEnv* env);
110extern int register_android_content_XmlBlock(JNIEnv* env);
111extern int register_android_emoji_EmojiFactory(JNIEnv* env);
112extern int register_android_graphics_Canvas(JNIEnv* env);
113extern int register_android_graphics_CanvasProperty(JNIEnv* env);
114extern int register_android_graphics_ColorFilter(JNIEnv* env);
115extern int register_android_graphics_DrawFilter(JNIEnv* env);
116extern int register_android_graphics_FontFamily(JNIEnv* env);
117extern int register_android_graphics_LayerRasterizer(JNIEnv*);
118extern int register_android_graphics_Matrix(JNIEnv* env);
119extern int register_android_graphics_Paint(JNIEnv* env);
120extern int register_android_graphics_Path(JNIEnv* env);
121extern int register_android_graphics_PathMeasure(JNIEnv* env);
122extern int register_android_graphics_Picture(JNIEnv*);
123extern int register_android_graphics_PorterDuff(JNIEnv* env);
124extern int register_android_graphics_Rasterizer(JNIEnv* env);
125extern int register_android_graphics_Region(JNIEnv* env);
126extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
127extern int register_android_graphics_Xfermode(JNIEnv* env);
128extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
129extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
130extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
131extern int register_android_view_RenderNode(JNIEnv* env);
132extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
133extern int register_android_view_GraphicBuffer(JNIEnv* env);
134extern int register_android_view_GLES20Canvas(JNIEnv* env);
135extern int register_android_view_HardwareLayer(JNIEnv* env);
136extern int register_android_view_ThreadedRenderer(JNIEnv* env);
137extern int register_android_view_Surface(JNIEnv* env);
138extern int register_android_view_SurfaceControl(JNIEnv* env);
139extern int register_android_view_SurfaceSession(JNIEnv* env);
140extern int register_android_view_TextureView(JNIEnv* env);
141extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
142extern int register_android_database_CursorWindow(JNIEnv* env);
143extern int register_android_database_SQLiteConnection(JNIEnv* env);
144extern int register_android_database_SQLiteGlobal(JNIEnv* env);
145extern int register_android_database_SQLiteDebug(JNIEnv* env);
146extern int register_android_nio_utils(JNIEnv* env);
147extern int register_android_os_Debug(JNIEnv* env);
148extern int register_android_os_MessageQueue(JNIEnv* env);
149extern int register_android_os_Parcel(JNIEnv* env);
150extern int register_android_os_SELinux(JNIEnv* env);
151extern int register_android_os_SystemProperties(JNIEnv *env);
152extern int register_android_os_SystemClock(JNIEnv* env);
153extern int register_android_os_Trace(JNIEnv* env);
154extern int register_android_os_FileObserver(JNIEnv *env);
155extern int register_android_os_UEventObserver(JNIEnv* env);
156extern int register_android_os_MemoryFile(JNIEnv* env);
157extern int register_android_net_LocalSocketImpl(JNIEnv* env);
158extern int register_android_net_NetworkUtils(JNIEnv* env);
159extern int register_android_net_TrafficStats(JNIEnv* env);
160extern int register_android_text_AndroidCharacter(JNIEnv *env);
161extern int register_android_text_StaticLayout(JNIEnv *env);
162extern int register_android_text_AndroidBidi(JNIEnv *env);
163extern int register_android_opengl_classes(JNIEnv *env);
164extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
165extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
166extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
167extern int register_android_backup_BackupDataInput(JNIEnv *env);
168extern int register_android_backup_BackupDataOutput(JNIEnv *env);
169extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
170extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
171extern int register_android_app_backup_FullBackup(JNIEnv *env);
172extern int register_android_app_ActivityThread(JNIEnv *env);
173extern int register_android_app_NativeActivity(JNIEnv *env);
174extern int register_android_media_RemoteDisplay(JNIEnv *env);
175extern int register_android_view_InputChannel(JNIEnv* env);
176extern int register_android_view_InputDevice(JNIEnv* env);
177extern int register_android_view_InputEventReceiver(JNIEnv* env);
178extern int register_android_view_InputEventSender(JNIEnv* env);
179extern int register_android_view_InputQueue(JNIEnv* env);
180extern int register_android_view_KeyCharacterMap(JNIEnv *env);
181extern int register_android_view_KeyEvent(JNIEnv* env);
182extern int register_android_view_MotionEvent(JNIEnv* env);
183extern int register_android_view_PointerIcon(JNIEnv* env);
184extern int register_android_view_VelocityTracker(JNIEnv* env);
185extern int register_android_content_res_ObbScanner(JNIEnv* env);
186extern int register_android_content_res_Configuration(JNIEnv* env);
187extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
188extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
189extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
190extern int register_com_android_internal_os_Zygote(JNIEnv *env);
191extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
192
193static AndroidRuntime* gCurRuntime = NULL;
194
195static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
196{
197    if (jniThrowException(env, exc, msg) != 0)
198        assert(false);
199}
200
201/*
202 * Code written in the Java Programming Language calls here from main().
203 */
204static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
205{
206    gCurRuntime->onStarted();
207}
208
209static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
210{
211    gCurRuntime->onZygoteInit();
212}
213
214static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
215        jobject clazz, jboolean exitWithoutCleanup)
216{
217    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
218}
219
220/*
221 * JNI registration.
222 */
223static JNINativeMethod gMethods[] = {
224    { "nativeFinishInit", "()V",
225        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
226    { "nativeZygoteInit", "()V",
227        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
228    { "nativeSetExitWithoutCleanup", "(Z)V",
229        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
230};
231
232int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
233{
234    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
235        gMethods, NELEM(gMethods));
236}
237
238// ----------------------------------------------------------------------
239
240/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
241
242AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
243        mExitWithoutCleanup(false),
244        mArgBlockStart(argBlockStart),
245        mArgBlockLength(argBlockLength)
246{
247    SkGraphics::Init();
248    // There is also a global font cache, but its budget is specified in code
249    // see SkFontHost_android.cpp
250
251    // Pre-allocate enough space to hold a fair number of options.
252    mOptions.setCapacity(20);
253
254    assert(gCurRuntime == NULL);        // one per process
255    gCurRuntime = this;
256}
257
258AndroidRuntime::~AndroidRuntime()
259{
260    SkGraphics::Term();
261}
262
263/*
264 * Register native methods using JNI.
265 */
266/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
267    const char* className, const JNINativeMethod* gMethods, int numMethods)
268{
269    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
270}
271
272void AndroidRuntime::setArgv0(const char* argv0) {
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
347
348/**
349 * Add VM arguments to the to-be-executed VM
350 * Stops at first non '-' argument (also stops at an argument of '--')
351 * Returns the number of args consumed
352 */
353int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
354{
355    int i;
356
357    for (i = 0; i<argc; i++) {
358        if (argv[i][0] != '-') {
359            return i;
360        }
361        if (argv[i][1] == '-' && argv[i][2] == 0) {
362            return i+1;
363        }
364        addOption(argv[i]);
365    }
366    return i;
367}
368
369static int hasDir(const char* dir)
370{
371    struct stat s;
372    int res = stat(dir, &s);
373    if (res == 0) {
374        return S_ISDIR(s.st_mode);
375    }
376    return 0;
377}
378
379/*
380 * Read the persistent locale.
381 */
382static void readLocale(char* language, char* region)
383{
384    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
385
386    property_get("persist.sys.language", propLang, "");
387    property_get("persist.sys.country", propRegn, "");
388    if (*propLang == 0 && *propRegn == 0) {
389        /* Set to ro properties, default is en_US */
390        property_get("ro.product.locale.language", propLang, "en");
391        property_get("ro.product.locale.region", propRegn, "US");
392    }
393    strncat(language, propLang, 3);
394    strncat(region, propRegn, 3);
395    //ALOGD("language=%s region=%s\n", language, region);
396}
397
398void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
399{
400    JavaVMOption opt;
401    opt.optionString = optionString;
402    opt.extraInfo = extraInfo;
403    mOptions.add(opt);
404}
405
406/*
407 * Parse a property containing space-separated options that should be
408 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
409 *
410 * This will cut up "extraOptsBuf" as we chop it into individual options.
411 *
412 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
413 *
414 * Adds the strings, if any, to mOptions.
415 */
416void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
417{
418    char* start = extraOptsBuf;
419    char* end = NULL;
420    while (*start != '\0') {
421        while (*start == ' ')                   /* skip leading whitespace */
422            start++;
423        if (*start == '\0')                     /* was trailing ws, bail */
424            break;
425
426        end = start+1;
427        while (*end != ' ' && *end != '\0')     /* find end of token */
428            end++;
429        if (*end == ' ')
430            *end++ = '\0';          /* mark end, advance to indicate more */
431
432        if (quotingArg != NULL) {
433            addOption(quotingArg);
434        }
435        addOption(start);
436        start = end;
437    }
438}
439
440/*
441 * Reads a "property" into "buffer" with a default of "defaultArg". If
442 * the property is non-empty, it is treated as a runtime option such
443 * as "-Xmx32m".
444 *
445 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
446 *
447 * If an argument is found, it is added to mOptions.
448 *
449 * If an option is found, it is added to mOptions and true is
450 * returned. Otherwise false is returned.
451 */
452bool AndroidRuntime::parseRuntimeOption(const char* property,
453                                        char* buffer,
454                                        const char* runtimeArg,
455                                        const char* defaultArg)
456{
457    strcpy(buffer, runtimeArg);
458    size_t runtimeArgLen = strlen(runtimeArg);
459    property_get(property, buffer+runtimeArgLen, defaultArg);
460    if (buffer[runtimeArgLen] == '\0') {
461        return false;
462    }
463    addOption(buffer);
464    return true;
465}
466
467/*
468 * Reads a "property" into "buffer". If the property is non-empty, it
469 * is treated as a dex2oat compiler option that should be
470 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
471 *
472 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
473 *
474 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
475 *
476 * If an option is found, it is added to mOptions and true is
477 * returned. Otherwise false is returned.
478 */
479bool AndroidRuntime::parseCompilerOption(const char* property,
480                                         char* buffer,
481                                         const char* compilerArg,
482                                         const char* quotingArg)
483{
484    strcpy(buffer, compilerArg);
485    size_t compilerArgLen = strlen(compilerArg);
486    property_get(property, buffer+compilerArgLen, "");
487    if (buffer[compilerArgLen] == '\0') {
488        return false;
489    }
490    addOption(quotingArg);
491    addOption(buffer);
492    return true;
493}
494
495/*
496 * Reads a "property" into "buffer". If the property is non-empty, it
497 * is treated as a dex2oat compiler runtime option that should be
498 * passed as a quoted option, e.g. "-Ximage-compiler-option
499 * --runtime-arg -Ximage-compiler-option -Xmx32m".
500 *
501 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
502 *
503 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
504 *
505 * If an option is found, it is added to mOptions and true is
506 * returned. Otherwise false is returned.
507 */
508bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
509                                                char* buffer,
510                                                const char* runtimeArg,
511                                                const char* quotingArg)
512{
513    strcpy(buffer, runtimeArg);
514    size_t runtimeArgLen = strlen(runtimeArg);
515    property_get(property, buffer+runtimeArgLen, "");
516    if (buffer[runtimeArgLen] == '\0') {
517        return false;
518    }
519    addOption(quotingArg);
520    addOption("--runtime-arg");
521    addOption(quotingArg);
522    addOption(buffer);
523    return true;
524}
525
526/*
527 * Start the Dalvik Virtual Machine.
528 *
529 * Various arguments, most determined by system properties, are passed in.
530 * The "mOptions" vector is updated.
531 *
532 * CAUTION: when adding options in here, be careful not to put the
533 * char buffer inside a nested scope.  Adding the buffer to the
534 * options using mOptions.add() does not copy the buffer, so if the
535 * buffer goes out of scope the option may be overwritten.  It's best
536 * to put the buffer at the top of the function so that it is more
537 * unlikely that someone will surround it in a scope at a later time
538 * and thus introduce a bug.
539 *
540 * Returns 0 on success.
541 */
542int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
543{
544    int result = -1;
545    JavaVMInitArgs initArgs;
546    char propBuf[PROPERTY_VALUE_MAX];
547    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
548    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
549    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
550    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
551    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
552    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
553    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
554    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
555    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
556    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
557    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
558    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
559    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
560    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
561    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
562    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
563    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
564    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
565    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
566    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
567    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
568    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
569    char extraOptsBuf[PROPERTY_VALUE_MAX];
570    char voldDecryptBuf[PROPERTY_VALUE_MAX];
571    enum {
572      kEMDefault,
573      kEMIntPortable,
574      kEMIntFast,
575      kEMJitCompiler,
576    } executionMode = kEMDefault;
577    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
578    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
579    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
580    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
581    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
582    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
583                                    PROPERTY_VALUE_MAX];
584    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
585    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
586    char langOption[sizeof("-Duser.language=") + 3];
587    char regionOption[sizeof("-Duser.region=") + 3];
588    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
589    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
590    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
591    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
592
593    bool checkJni = false;
594    property_get("dalvik.vm.checkjni", propBuf, "");
595    if (strcmp(propBuf, "true") == 0) {
596        checkJni = true;
597    } else if (strcmp(propBuf, "false") != 0) {
598        /* property is neither true nor false; fall back on kernel parameter */
599        property_get("ro.kernel.android.checkjni", propBuf, "");
600        if (propBuf[0] == '1') {
601            checkJni = true;
602        }
603    }
604    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
605    if (checkJni) {
606        /* extended JNI checking */
607        addOption("-Xcheck:jni");
608
609        /* set a cap on JNI global references */
610        addOption("-Xjnigreflimit:2000");
611
612        /* with -Xcheck:jni, this provides a JNI function call trace */
613        //addOption("-verbose:jni");
614    }
615
616    property_get("dalvik.vm.execution-mode", propBuf, "");
617    if (strcmp(propBuf, "int:portable") == 0) {
618        executionMode = kEMIntPortable;
619    } else if (strcmp(propBuf, "int:fast") == 0) {
620        executionMode = kEMIntFast;
621    } else if (strcmp(propBuf, "int:jit") == 0) {
622        executionMode = kEMJitCompiler;
623    }
624
625    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
626
627    property_get("dalvik.vm.check-dex-sum", propBuf, "");
628    if (strcmp(propBuf, "true") == 0) {
629        /* perform additional DEX checksum tests */
630        addOption("-Xcheckdexsum");
631    }
632
633    property_get("log.redirect-stdio", propBuf, "");
634    if (strcmp(propBuf, "true") == 0) {
635        /* convert stdout/stderr to log messages */
636        addOption("-Xlog-stdio");
637    }
638
639    strcpy(enableAssertBuf, "-ea:");
640    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
641    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
642        /* accept "all" to mean "all classes and packages" */
643        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
644            enableAssertBuf[3] = '\0'; // truncate to "-ea"
645        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
646        addOption(enableAssertBuf);
647    } else {
648        ALOGV("Assertions disabled\n");
649    }
650
651    strcpy(jniOptsBuf, "-Xjniopts:");
652    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
653        ALOGI("JNI options: '%s'\n", jniOptsBuf);
654    }
655
656    /* route exit() to our handler */
657    addOption("exit", (void*) runtime_exit);
658
659    /* route fprintf() to our handler */
660    addOption("vfprintf", (void*) runtime_vfprintf);
661
662    /* register the framework-specific "is sensitive thread" hook */
663    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
664
665    /* enable verbose; standard options are { jni, gc, class } */
666    //addOption("-verbose:jni");
667    addOption("-verbose:gc");
668    //addOption("-verbose:class");
669
670    /*
671     * The default starting and maximum size of the heap.  Larger
672     * values should be specified in a product property override.
673     */
674    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
675    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
676
677    // Increase the main thread's interpreter stack size for bug 6315322.
678    addOption("-XX:mainThreadStackSize=24K");
679
680    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
681    parseRuntimeOption("dalvik.vm.jit.codecachesize",
682                       jitcodecachesizeOptsBuf,
683                       "-Xjitcodecachesize:");
684
685    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
686    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
687    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
688    parseRuntimeOption("dalvik.vm.heaptargetutilization",
689                       heaptargetutilizationOptsBuf,
690                       "-XX:HeapTargetUtilization=");
691
692    property_get("ro.config.low_ram", propBuf, "");
693    if (strcmp(propBuf, "true") == 0) {
694      addOption("-XX:LowMemoryMode");
695    }
696
697    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
698    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
699
700    /*
701     * Enable or disable dexopt features, such as bytecode verification and
702     * calculation of register maps for precise GC.
703     */
704    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
705    if (dexoptFlagsBuf[0] != '\0') {
706        const char* opc;
707        const char* val;
708
709        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
710        if (opc != NULL) {
711            switch (*(opc+2)) {
712            case 'n':   val = "-Xverify:none";      break;
713            case 'r':   val = "-Xverify:remote";    break;
714            case 'a':   val = "-Xverify:all";       break;
715            default:    val = NULL;                 break;
716            }
717
718            if (val != NULL) {
719                addOption(val);
720            }
721        }
722
723        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
724        if (opc != NULL) {
725            switch (*(opc+2)) {
726            case 'n':   val = "-Xdexopt:none";      break;
727            case 'v':   val = "-Xdexopt:verified";  break;
728            case 'a':   val = "-Xdexopt:all";       break;
729            case 'f':   val = "-Xdexopt:full";      break;
730            default:    val = NULL;                 break;
731            }
732
733            if (val != NULL) {
734                addOption(val);
735            }
736        }
737
738        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
739        if (opc != NULL) {
740            addOption("-Xgenregmap");
741
742            /* turn on precise GC while we're at it */
743            addOption("-Xgc:precise");
744        }
745    }
746
747    /* enable debugging; set suspend=y to pause during VM init */
748    /* use android ADB transport */
749    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
750
751    parseRuntimeOption("dalvik.vm.lockprof.threshold",
752                       lockProfThresholdBuf,
753                       "-Xlockprofthreshold:");
754
755    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
756    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
757
758    /* Force interpreter-only mode for selected methods */
759    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
760
761    if (executionMode == kEMIntPortable) {
762        addOption("-Xint:portable");
763    } else if (executionMode == kEMIntFast) {
764        addOption("-Xint:fast");
765    } else if (executionMode == kEMJitCompiler) {
766        addOption("-Xint:jit");
767    }
768
769    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
770    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
771    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
772
773    if (libart) {
774        // If we booting without the real /data, don't spend time compiling.
775        property_get("vold.decrypt", voldDecryptBuf, "");
776        bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
777                                 (strcmp(voldDecryptBuf, "1") == 0));
778
779        // Extra options for boot.art/boot.oat image generation.
780        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
781                                   "-Xms", "-Ximage-compiler-option");
782        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
783                                   "-Xmx", "-Ximage-compiler-option");
784        if (skip_compilation) {
785            addOption("-Ximage-compiler-option");
786            addOption("--compiler-filter=verify-none");
787        } else {
788            parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
789                                "--compiler-filter=", "-Ximage-compiler-option");
790        }
791        addOption("-Ximage-compiler-option");
792        addOption("--image-classes-zip=/system/framework/framework.jar");
793        addOption("-Ximage-compiler-option");
794        addOption("--image-classes=preloaded-classes");
795        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
796        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
797
798        // Extra options for DexClassLoader.
799        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
800                                   "-Xms", "-Xcompiler-option");
801        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
802                                   "-Xmx", "-Xcompiler-option");
803        if (skip_compilation) {
804            addOption("-Xcompiler-option");
805            addOption("--compiler-filter=verify-none");
806        } else {
807            parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
808                                "--compiler-filter=", "-Xcompiler-option");
809        }
810        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
811        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
812
813    }
814
815    /* extra options; parse this late so it overrides others */
816    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
817    parseExtraOpts(extraOptsBuf, NULL);
818
819    /* Set the properties for locale */
820    {
821        strcpy(langOption, "-Duser.language=");
822        strcpy(regionOption, "-Duser.region=");
823        readLocale(langOption, regionOption);
824        addOption(langOption);
825        addOption(regionOption);
826    }
827
828    /*
829     * Set profiler options
830     */
831    if (libart) {
832        // Whether or not the profiler should be enabled.
833        property_get("dalvik.vm.profiler", propBuf, "0");
834        if (propBuf[0] == '1') {
835            addOption("-Xenable-profiler");
836        }
837
838        // Whether the profile should start upon app startup or be delayed by some random offset
839        // (in seconds) that is bound between 0 and a fixed value.
840        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
841        if (propBuf[0] == '1') {
842            addOption("-Xprofile-start-immediately");
843        }
844
845        // Number of seconds during profile runs.
846        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
847
848        // Length of each profile run (seconds).
849        parseRuntimeOption("dalvik.vm.profile.duration-secs",
850                           profileDuration,
851                           "-Xprofile-duration:");
852
853        // Polling interval during profile run (microseconds).
854        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
855
856        // Coefficient for period backoff.  The the period is multiplied
857        // by this value after each profile run.
858        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
859
860        // Top K% of samples that are considered relevant when
861        // deciding if the app should be recompiled.
862        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
863                           profileTopKThreshold,
864                           "-Xprofile-top-k-threshold:");
865
866        // The threshold after which a change in the structure of the
867        // top K% profiled samples becomes significant and triggers
868        // recompilation. A change in profile is considered
869        // significant if X% (top-k-change-threshold) of the top K%
870        // (top-k-threshold property) samples has changed.
871        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
872                           profileTopKChangeThreshold,
873                           "-Xprofile-top-k-change-threshold:");
874
875        // Type of profile data.
876        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
877
878        // Depth of bounded stack data
879        parseRuntimeOption("dalvik.vm.profile.max-stack-depth",
880                           profileMaxStackDepth,
881                           "-Xprofile-max-stack-depth:");
882
883        // Native bridge library. "0" means that native bridge is disabled.
884        property_get("ro.dalvik.vm.native.bridge", propBuf, "");
885        if (propBuf[0] == '\0') {
886            ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
887        } else if (strcmp(propBuf, "0") != 0) {
888            snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
889                     "-XX:NativeBridge=%s", propBuf);
890            addOption(nativeBridgeLibrary);
891        }
892    }
893
894    initArgs.version = JNI_VERSION_1_4;
895    initArgs.options = mOptions.editArray();
896    initArgs.nOptions = mOptions.size();
897    initArgs.ignoreUnrecognized = JNI_FALSE;
898
899    /*
900     * Initialize the VM.
901     *
902     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
903     * If this call succeeds, the VM is ready, and we can start issuing
904     * JNI calls.
905     */
906    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
907        ALOGE("JNI_CreateJavaVM failed\n");
908        goto bail;
909    }
910
911    result = 0;
912
913bail:
914    return result;
915}
916
917char* AndroidRuntime::toSlashClassName(const char* className)
918{
919    char* result = strdup(className);
920    for (char* cp = result; *cp != '\0'; cp++) {
921        if (*cp == '.') {
922            *cp = '/';
923        }
924    }
925    return result;
926}
927
928/*
929 * Start the Android runtime.  This involves starting the virtual machine
930 * and calling the "static void main(String[] args)" method in the class
931 * named by "className".
932 *
933 * Passes the main function two arguments, the class name and the specified
934 * options string.
935 */
936void AndroidRuntime::start(const char* className, const Vector<String8>& options)
937{
938    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
939            className != NULL ? className : "(unknown)");
940
941    static const String8 startSystemServer("start-system-server");
942
943    /*
944     * 'startSystemServer == true' means runtime is obsolete and not run from
945     * init.rc anymore, so we print out the boot start event here.
946     */
947    for (size_t i = 0; i < options.size(); ++i) {
948        if (options[i] == startSystemServer) {
949           /* track our progress through the boot sequence */
950           const int LOG_BOOT_PROGRESS_START = 3000;
951           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
952        }
953    }
954
955    const char* rootDir = getenv("ANDROID_ROOT");
956    if (rootDir == NULL) {
957        rootDir = "/system";
958        if (!hasDir("/system")) {
959            LOG_FATAL("No root directory specified, and /android does not exist.");
960            return;
961        }
962        setenv("ANDROID_ROOT", rootDir, 1);
963    }
964
965    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
966    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
967
968    /* start the virtual machine */
969    JniInvocation jni_invocation;
970    jni_invocation.Init(NULL);
971    JNIEnv* env;
972    if (startVm(&mJavaVM, &env) != 0) {
973        return;
974    }
975    onVmCreated(env);
976
977    /*
978     * Register android functions.
979     */
980    if (startReg(env) < 0) {
981        ALOGE("Unable to register all android natives\n");
982        return;
983    }
984
985    /*
986     * We want to call main() with a String array with arguments in it.
987     * At present we have two arguments, the class name and an option string.
988     * Create an array to hold them.
989     */
990    jclass stringClass;
991    jobjectArray strArray;
992    jstring classNameStr;
993
994    stringClass = env->FindClass("java/lang/String");
995    assert(stringClass != NULL);
996    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
997    assert(strArray != NULL);
998    classNameStr = env->NewStringUTF(className);
999    assert(classNameStr != NULL);
1000    env->SetObjectArrayElement(strArray, 0, classNameStr);
1001
1002    for (size_t i = 0; i < options.size(); ++i) {
1003        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1004        assert(optionsStr != NULL);
1005        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1006    }
1007
1008    /*
1009     * Start VM.  This thread becomes the main thread of the VM, and will
1010     * not return until the VM exits.
1011     */
1012    char* slashClassName = toSlashClassName(className);
1013    jclass startClass = env->FindClass(slashClassName);
1014    if (startClass == NULL) {
1015        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1016        /* keep going */
1017    } else {
1018        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1019            "([Ljava/lang/String;)V");
1020        if (startMeth == NULL) {
1021            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1022            /* keep going */
1023        } else {
1024            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1025
1026#if 0
1027            if (env->ExceptionCheck())
1028                threadExitUncaughtException(env);
1029#endif
1030        }
1031    }
1032    free(slashClassName);
1033
1034    ALOGD("Shutting down VM\n");
1035    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1036        ALOGW("Warning: unable to detach main thread\n");
1037    if (mJavaVM->DestroyJavaVM() != 0)
1038        ALOGW("Warning: VM did not shut down cleanly\n");
1039}
1040
1041void AndroidRuntime::exit(int code)
1042{
1043    if (mExitWithoutCleanup) {
1044        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1045        ::_exit(code);
1046    } else {
1047        ALOGI("VM exiting with result code %d.", code);
1048        onExit(code);
1049        ::exit(code);
1050    }
1051}
1052
1053void AndroidRuntime::onVmCreated(JNIEnv* env)
1054{
1055    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1056}
1057
1058/*
1059 * Get the JNIEnv pointer for this thread.
1060 *
1061 * Returns NULL if the slot wasn't allocated or populated.
1062 */
1063/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1064{
1065    JNIEnv* env;
1066    JavaVM* vm = AndroidRuntime::getJavaVM();
1067    assert(vm != NULL);
1068
1069    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1070        return NULL;
1071    return env;
1072}
1073
1074/*
1075 * Makes the current thread visible to the VM.
1076 *
1077 * The JNIEnv pointer returned is only valid for the current thread, and
1078 * thus must be tucked into thread-local storage.
1079 */
1080static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1081{
1082    JavaVMAttachArgs args;
1083    JavaVM* vm;
1084    jint result;
1085
1086    vm = AndroidRuntime::getJavaVM();
1087    assert(vm != NULL);
1088
1089    args.version = JNI_VERSION_1_4;
1090    args.name = (char*) threadName;
1091    args.group = NULL;
1092
1093    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1094    if (result != JNI_OK)
1095        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1096
1097    return result;
1098}
1099
1100/*
1101 * Detach the current thread from the set visible to the VM.
1102 */
1103static int javaDetachThread(void)
1104{
1105    JavaVM* vm;
1106    jint result;
1107
1108    vm = AndroidRuntime::getJavaVM();
1109    assert(vm != NULL);
1110
1111    result = vm->DetachCurrentThread();
1112    if (result != JNI_OK)
1113        ALOGE("ERROR: thread detach failed\n");
1114    return result;
1115}
1116
1117/*
1118 * When starting a native thread that will be visible from the VM, we
1119 * bounce through this to get the right attach/detach action.
1120 * Note that this function calls free(args)
1121 */
1122/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1123    void* start = ((void**)args)[0];
1124    void* userData = ((void **)args)[1];
1125    char* name = (char*) ((void **)args)[2];        // we own this storage
1126    free(args);
1127    JNIEnv* env;
1128    int result;
1129
1130    /* hook us into the VM */
1131    if (javaAttachThread(name, &env) != JNI_OK)
1132        return -1;
1133
1134    /* start the thread running */
1135    result = (*(android_thread_func_t)start)(userData);
1136
1137    /* unhook us */
1138    javaDetachThread();
1139    free(name);
1140
1141    return result;
1142}
1143
1144/*
1145 * This is invoked from androidCreateThreadEtc() via the callback
1146 * set with androidSetCreateThreadFunc().
1147 *
1148 * We need to create the new thread in such a way that it gets hooked
1149 * into the VM before it really starts executing.
1150 */
1151/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1152                                android_thread_func_t entryFunction,
1153                                void* userData,
1154                                const char* threadName,
1155                                int32_t threadPriority,
1156                                size_t threadStackSize,
1157                                android_thread_id_t* threadId)
1158{
1159    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1160    int result;
1161
1162    if (!threadName)
1163        threadName = "unnamed thread";
1164
1165    args[0] = (void*) entryFunction;
1166    args[1] = userData;
1167    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1168
1169    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1170        threadName, threadPriority, threadStackSize, threadId);
1171    return result;
1172}
1173
1174/*
1175 * Create a thread that is visible from the VM.
1176 *
1177 * This is called from elsewhere in the library.
1178 */
1179/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1180    void (*start)(void *), void* arg)
1181{
1182    android_thread_id_t threadId = 0;
1183    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1184        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1185    return threadId;
1186}
1187
1188#if 0
1189static void quickTest(void* arg)
1190{
1191    const char* str = (const char*) arg;
1192
1193    printf("In quickTest: %s\n", str);
1194}
1195#endif
1196
1197#ifdef NDEBUG
1198    #define REG_JNI(name)      { name }
1199    struct RegJNIRec {
1200        int (*mProc)(JNIEnv*);
1201    };
1202#else
1203    #define REG_JNI(name)      { name, #name }
1204    struct RegJNIRec {
1205        int (*mProc)(JNIEnv*);
1206        const char* mName;
1207    };
1208#endif
1209
1210typedef void (*RegJAMProc)();
1211
1212static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1213{
1214    for (size_t i = 0; i < count; i++) {
1215        if (array[i].mProc(env) < 0) {
1216#ifndef NDEBUG
1217            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1218#endif
1219            return -1;
1220        }
1221    }
1222    return 0;
1223}
1224
1225static void register_jam_procs(const RegJAMProc array[], size_t count)
1226{
1227    for (size_t i = 0; i < count; i++) {
1228        array[i]();
1229    }
1230}
1231
1232static const RegJNIRec gRegJNI[] = {
1233    REG_JNI(register_com_android_internal_os_RuntimeInit),
1234    REG_JNI(register_android_os_SystemClock),
1235    REG_JNI(register_android_util_EventLog),
1236    REG_JNI(register_android_util_Log),
1237    REG_JNI(register_android_util_FloatMath),
1238    REG_JNI(register_android_content_AssetManager),
1239    REG_JNI(register_android_content_StringBlock),
1240    REG_JNI(register_android_content_XmlBlock),
1241    REG_JNI(register_android_emoji_EmojiFactory),
1242    REG_JNI(register_android_text_AndroidCharacter),
1243    REG_JNI(register_android_text_StaticLayout),
1244    REG_JNI(register_android_text_AndroidBidi),
1245    REG_JNI(register_android_view_InputDevice),
1246    REG_JNI(register_android_view_KeyCharacterMap),
1247    REG_JNI(register_android_os_Process),
1248    REG_JNI(register_android_os_SystemProperties),
1249    REG_JNI(register_android_os_Binder),
1250    REG_JNI(register_android_os_Parcel),
1251    REG_JNI(register_android_nio_utils),
1252    REG_JNI(register_android_graphics_Graphics),
1253    REG_JNI(register_android_view_DisplayEventReceiver),
1254    REG_JNI(register_android_view_RenderNode),
1255    REG_JNI(register_android_view_RenderNodeAnimator),
1256    REG_JNI(register_android_view_GraphicBuffer),
1257    REG_JNI(register_android_view_GLES20Canvas),
1258    REG_JNI(register_android_view_HardwareLayer),
1259    REG_JNI(register_android_view_ThreadedRenderer),
1260    REG_JNI(register_android_view_Surface),
1261    REG_JNI(register_android_view_SurfaceControl),
1262    REG_JNI(register_android_view_SurfaceSession),
1263    REG_JNI(register_android_view_TextureView),
1264    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1265    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1266    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1267    REG_JNI(register_android_opengl_jni_EGL14),
1268    REG_JNI(register_android_opengl_jni_EGLExt),
1269    REG_JNI(register_android_opengl_jni_GLES10),
1270    REG_JNI(register_android_opengl_jni_GLES10Ext),
1271    REG_JNI(register_android_opengl_jni_GLES11),
1272    REG_JNI(register_android_opengl_jni_GLES11Ext),
1273    REG_JNI(register_android_opengl_jni_GLES20),
1274    REG_JNI(register_android_opengl_jni_GLES30),
1275    REG_JNI(register_android_opengl_jni_GLES31),
1276    REG_JNI(register_android_opengl_jni_GLES31Ext),
1277
1278    REG_JNI(register_android_graphics_Bitmap),
1279    REG_JNI(register_android_graphics_BitmapFactory),
1280    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1281    REG_JNI(register_android_graphics_Camera),
1282    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1283    REG_JNI(register_android_graphics_Canvas),
1284    REG_JNI(register_android_graphics_CanvasProperty),
1285    REG_JNI(register_android_graphics_ColorFilter),
1286    REG_JNI(register_android_graphics_DrawFilter),
1287    REG_JNI(register_android_graphics_FontFamily),
1288    REG_JNI(register_android_graphics_Interpolator),
1289    REG_JNI(register_android_graphics_LayerRasterizer),
1290    REG_JNI(register_android_graphics_MaskFilter),
1291    REG_JNI(register_android_graphics_Matrix),
1292    REG_JNI(register_android_graphics_Movie),
1293    REG_JNI(register_android_graphics_NinePatch),
1294    REG_JNI(register_android_graphics_Paint),
1295    REG_JNI(register_android_graphics_Path),
1296    REG_JNI(register_android_graphics_PathMeasure),
1297    REG_JNI(register_android_graphics_PathEffect),
1298    REG_JNI(register_android_graphics_Picture),
1299    REG_JNI(register_android_graphics_PorterDuff),
1300    REG_JNI(register_android_graphics_Rasterizer),
1301    REG_JNI(register_android_graphics_Region),
1302    REG_JNI(register_android_graphics_Shader),
1303    REG_JNI(register_android_graphics_SurfaceTexture),
1304    REG_JNI(register_android_graphics_Typeface),
1305    REG_JNI(register_android_graphics_Xfermode),
1306    REG_JNI(register_android_graphics_YuvImage),
1307    REG_JNI(register_android_graphics_pdf_PdfDocument),
1308    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1309
1310    REG_JNI(register_android_database_CursorWindow),
1311    REG_JNI(register_android_database_SQLiteConnection),
1312    REG_JNI(register_android_database_SQLiteGlobal),
1313    REG_JNI(register_android_database_SQLiteDebug),
1314    REG_JNI(register_android_os_Debug),
1315    REG_JNI(register_android_os_FileObserver),
1316    REG_JNI(register_android_os_MessageQueue),
1317    REG_JNI(register_android_os_SELinux),
1318    REG_JNI(register_android_os_Trace),
1319    REG_JNI(register_android_os_UEventObserver),
1320    REG_JNI(register_android_net_LocalSocketImpl),
1321    REG_JNI(register_android_net_NetworkUtils),
1322    REG_JNI(register_android_net_TrafficStats),
1323    REG_JNI(register_android_os_MemoryFile),
1324    REG_JNI(register_com_android_internal_os_ZygoteInit),
1325    REG_JNI(register_com_android_internal_os_Zygote),
1326    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1327    REG_JNI(register_android_hardware_Camera),
1328    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1329    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1330    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1331    REG_JNI(register_android_hardware_camera2_DngCreator),
1332    REG_JNI(register_android_hardware_SensorManager),
1333    REG_JNI(register_android_hardware_SerialPort),
1334    REG_JNI(register_android_hardware_SoundTrigger),
1335    REG_JNI(register_android_hardware_UsbDevice),
1336    REG_JNI(register_android_hardware_UsbDeviceConnection),
1337    REG_JNI(register_android_hardware_UsbRequest),
1338    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1339    REG_JNI(register_android_media_AudioRecord),
1340    REG_JNI(register_android_media_AudioSystem),
1341    REG_JNI(register_android_media_AudioTrack),
1342    REG_JNI(register_android_media_JetPlayer),
1343    REG_JNI(register_android_media_RemoteDisplay),
1344    REG_JNI(register_android_media_ToneGenerator),
1345
1346    REG_JNI(register_android_opengl_classes),
1347    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1348    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1349    REG_JNI(register_android_backup_BackupDataInput),
1350    REG_JNI(register_android_backup_BackupDataOutput),
1351    REG_JNI(register_android_backup_FileBackupHelperBase),
1352    REG_JNI(register_android_backup_BackupHelperDispatcher),
1353    REG_JNI(register_android_app_backup_FullBackup),
1354    REG_JNI(register_android_app_ActivityThread),
1355    REG_JNI(register_android_app_NativeActivity),
1356    REG_JNI(register_android_view_InputChannel),
1357    REG_JNI(register_android_view_InputEventReceiver),
1358    REG_JNI(register_android_view_InputEventSender),
1359    REG_JNI(register_android_view_InputQueue),
1360    REG_JNI(register_android_view_KeyEvent),
1361    REG_JNI(register_android_view_MotionEvent),
1362    REG_JNI(register_android_view_PointerIcon),
1363    REG_JNI(register_android_view_VelocityTracker),
1364
1365    REG_JNI(register_android_content_res_ObbScanner),
1366    REG_JNI(register_android_content_res_Configuration),
1367
1368    REG_JNI(register_android_animation_PropertyValuesHolder),
1369    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1370    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1371};
1372
1373/*
1374 * Register android native functions with the VM.
1375 */
1376/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1377{
1378    /*
1379     * This hook causes all future threads created in this process to be
1380     * attached to the JavaVM.  (This needs to go away in favor of JNI
1381     * Attach calls.)
1382     */
1383    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1384
1385    ALOGV("--- registering native functions ---\n");
1386
1387    /*
1388     * Every "register" function calls one or more things that return
1389     * a local reference (e.g. FindClass).  Because we haven't really
1390     * started the VM yet, they're all getting stored in the base frame
1391     * and never released.  Use Push/Pop to manage the storage.
1392     */
1393    env->PushLocalFrame(200);
1394
1395    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1396        env->PopLocalFrame(NULL);
1397        return -1;
1398    }
1399    env->PopLocalFrame(NULL);
1400
1401    //createJavaThread("fubar", quickTest, (void*) "hello");
1402
1403    return 0;
1404}
1405
1406AndroidRuntime* AndroidRuntime::getRuntime()
1407{
1408    return gCurRuntime;
1409}
1410
1411/**
1412 * Used by WithFramework to register native functions.
1413 */
1414extern "C"
1415jint Java_com_android_internal_util_WithFramework_registerNatives(
1416        JNIEnv* env, jclass clazz) {
1417    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1418}
1419
1420/**
1421 * Used by LoadClass to register native functions.
1422 */
1423extern "C"
1424jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1425    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1426}
1427
1428}   // namespace android
1429