AndroidRuntime.cpp revision 7b3db39aa47108c87dad5e930b6fec2292219abe 
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#include <SkImageRef_GlobalPool.h>
33
34#include "jni.h"
35#include "JNIHelp.h"
36#include "JniInvocation.h"
37#include "android_util_Binder.h"
38
39#include <stdio.h>
40#include <signal.h>
41#include <sys/stat.h>
42#include <sys/types.h>
43#include <signal.h>
44#include <dirent.h>
45#include <assert.h>
46
47
48using namespace android;
49
50extern int register_android_os_Binder(JNIEnv* env);
51extern int register_android_os_Process(JNIEnv* env);
52extern int register_android_graphics_Bitmap(JNIEnv*);
53extern int register_android_graphics_BitmapFactory(JNIEnv*);
54extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
55extern int register_android_graphics_Camera(JNIEnv* env);
56extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
57extern int register_android_graphics_Graphics(JNIEnv* env);
58extern int register_android_graphics_Interpolator(JNIEnv* env);
59extern int register_android_graphics_LayerRasterizer(JNIEnv*);
60extern int register_android_graphics_MaskFilter(JNIEnv* env);
61extern int register_android_graphics_Movie(JNIEnv* env);
62extern int register_android_graphics_NinePatch(JNIEnv*);
63extern int register_android_graphics_PathEffect(JNIEnv* env);
64extern int register_android_graphics_Shader(JNIEnv* env);
65extern int register_android_graphics_Typeface(JNIEnv* env);
66extern int register_android_graphics_YuvImage(JNIEnv* env);
67
68extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
69extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
70extern int register_android_opengl_jni_EGL14(JNIEnv* env);
71extern int register_android_opengl_jni_EGLExt(JNIEnv* env);
72extern int register_android_opengl_jni_GLES10(JNIEnv* env);
73extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
74extern int register_android_opengl_jni_GLES11(JNIEnv* env);
75extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
76extern int register_android_opengl_jni_GLES20(JNIEnv* env);
77extern int register_android_opengl_jni_GLES30(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_SensorManager(JNIEnv *env);
82extern int register_android_hardware_SerialPort(JNIEnv *env);
83extern int register_android_hardware_UsbDevice(JNIEnv *env);
84extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
85extern int register_android_hardware_UsbRequest(JNIEnv *env);
86
87extern int register_android_media_AudioRecord(JNIEnv *env);
88extern int register_android_media_AudioSystem(JNIEnv *env);
89extern int register_android_media_AudioTrack(JNIEnv *env);
90extern int register_android_media_JetPlayer(JNIEnv *env);
91extern int register_android_media_ToneGenerator(JNIEnv *env);
92
93namespace android {
94
95/*
96 * JNI-based registration functions.  Note these are properly contained in
97 * namespace android.
98 */
99extern int register_android_content_AssetManager(JNIEnv* env);
100extern int register_android_util_EventLog(JNIEnv* env);
101extern int register_android_util_Log(JNIEnv* env);
102extern int register_android_content_StringBlock(JNIEnv* env);
103extern int register_android_content_XmlBlock(JNIEnv* env);
104extern int register_android_emoji_EmojiFactory(JNIEnv* env);
105extern int register_android_graphics_Canvas(JNIEnv* env);
106extern int register_android_graphics_ColorFilter(JNIEnv* env);
107extern int register_android_graphics_DrawFilter(JNIEnv* env);
108extern int register_android_graphics_Matrix(JNIEnv* env);
109extern int register_android_graphics_Paint(JNIEnv* env);
110extern int register_android_graphics_Path(JNIEnv* env);
111extern int register_android_graphics_PathMeasure(JNIEnv* env);
112extern int register_android_graphics_Picture(JNIEnv*);
113extern int register_android_graphics_PorterDuff(JNIEnv* env);
114extern int register_android_graphics_Rasterizer(JNIEnv* env);
115extern int register_android_graphics_Region(JNIEnv* env);
116extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
117extern int register_android_graphics_Xfermode(JNIEnv* env);
118extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
119extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
120extern int register_android_view_GraphicBuffer(JNIEnv* env);
121extern int register_android_view_GLES20DisplayList(JNIEnv* env);
122extern int register_android_view_GLES20Canvas(JNIEnv* env);
123extern int register_android_view_HardwareRenderer(JNIEnv* env);
124extern int register_android_view_Surface(JNIEnv* env);
125extern int register_android_view_SurfaceControl(JNIEnv* env);
126extern int register_android_view_SurfaceSession(JNIEnv* env);
127extern int register_android_view_TextureView(JNIEnv* env);
128extern int register_android_database_CursorWindow(JNIEnv* env);
129extern int register_android_database_SQLiteConnection(JNIEnv* env);
130extern int register_android_database_SQLiteGlobal(JNIEnv* env);
131extern int register_android_database_SQLiteDebug(JNIEnv* env);
132extern int register_android_nio_utils(JNIEnv* env);
133extern int register_android_os_Debug(JNIEnv* env);
134extern int register_android_os_MessageQueue(JNIEnv* env);
135extern int register_android_os_Parcel(JNIEnv* env);
136extern int register_android_os_SELinux(JNIEnv* env);
137extern int register_android_os_SystemProperties(JNIEnv *env);
138extern int register_android_os_SystemClock(JNIEnv* env);
139extern int register_android_os_Trace(JNIEnv* env);
140extern int register_android_os_FileObserver(JNIEnv *env);
141extern int register_android_os_UEventObserver(JNIEnv* env);
142extern int register_android_os_MemoryFile(JNIEnv* env);
143extern int register_android_net_LocalSocketImpl(JNIEnv* env);
144extern int register_android_net_NetworkUtils(JNIEnv* env);
145extern int register_android_net_TrafficStats(JNIEnv* env);
146extern int register_android_net_wifi_WifiNative(JNIEnv* env);
147extern int register_android_text_AndroidCharacter(JNIEnv *env);
148extern int register_android_text_AndroidBidi(JNIEnv *env);
149extern int register_android_opengl_classes(JNIEnv *env);
150extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
151extern int register_android_server_Watchdog(JNIEnv* env);
152extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
153extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
154extern int register_android_backup_BackupDataInput(JNIEnv *env);
155extern int register_android_backup_BackupDataOutput(JNIEnv *env);
156extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
157extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
158extern int register_android_app_backup_FullBackup(JNIEnv *env);
159extern int register_android_app_ActivityThread(JNIEnv *env);
160extern int register_android_app_NativeActivity(JNIEnv *env);
161extern int register_android_media_RemoteDisplay(JNIEnv *env);
162extern int register_android_view_InputChannel(JNIEnv* env);
163extern int register_android_view_InputDevice(JNIEnv* env);
164extern int register_android_view_InputEventReceiver(JNIEnv* env);
165extern int register_android_view_InputEventSender(JNIEnv* env);
166extern int register_android_view_InputQueue(JNIEnv* env);
167extern int register_android_view_KeyCharacterMap(JNIEnv *env);
168extern int register_android_view_KeyEvent(JNIEnv* env);
169extern int register_android_view_MotionEvent(JNIEnv* env);
170extern int register_android_view_PointerIcon(JNIEnv* env);
171extern int register_android_view_VelocityTracker(JNIEnv* env);
172extern int register_android_content_res_ObbScanner(JNIEnv* env);
173extern int register_android_content_res_Configuration(JNIEnv* env);
174extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
175extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
176extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
177extern int register_com_android_internal_os_Zygote(JNIEnv *env);
178
179static AndroidRuntime* gCurRuntime = NULL;
180
181static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
182{
183    if (jniThrowException(env, exc, msg) != 0)
184        assert(false);
185}
186
187/*
188 * Code written in the Java Programming Language calls here from main().
189 */
190static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
191{
192    gCurRuntime->onStarted();
193}
194
195static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
196{
197    gCurRuntime->onZygoteInit();
198}
199
200static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
201        jobject clazz, jboolean exitWithoutCleanup)
202{
203    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
204}
205
206/*
207 * JNI registration.
208 */
209static JNINativeMethod gMethods[] = {
210    { "nativeFinishInit", "()V",
211        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
212    { "nativeZygoteInit", "()V",
213        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
214    { "nativeSetExitWithoutCleanup", "(Z)V",
215        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
216};
217
218int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
219{
220    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
221        gMethods, NELEM(gMethods));
222}
223
224// ----------------------------------------------------------------------
225
226/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
227
228AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
229        mExitWithoutCleanup(false),
230        mArgBlockStart(argBlockStart),
231        mArgBlockLength(argBlockLength)
232{
233    SkGraphics::Init();
234    // this sets our preference for 16bit images during decode
235    // in case the src is opaque and 24bit
236    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
237    // This cache is shared between browser native images, and java "purgeable"
238    // bitmaps. This globalpool is for images that do not either use the java
239    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
240    // java call site.
241    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
242    // There is also a global font cache, but its budget is specified in code
243    // see SkFontHost_android.cpp
244
245    // Pre-allocate enough space to hold a fair number of options.
246    mOptions.setCapacity(20);
247
248    assert(gCurRuntime == NULL);        // one per process
249    gCurRuntime = this;
250}
251
252AndroidRuntime::~AndroidRuntime()
253{
254    SkGraphics::Term();
255}
256
257/*
258 * Register native methods using JNI.
259 */
260/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
261    const char* className, const JNINativeMethod* gMethods, int numMethods)
262{
263    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
264}
265
266void AndroidRuntime::setArgv0(const char* argv0) {
267    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
268}
269
270status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
271    const Vector<String8>& args)
272{
273    JNIEnv* env;
274    jmethodID methodId;
275
276    ALOGD("Calling main entry %s", className.string());
277
278    env = getJNIEnv();
279    if (clazz == NULL || env == NULL) {
280        return UNKNOWN_ERROR;
281    }
282
283    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
284    if (methodId == NULL) {
285        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
286        return UNKNOWN_ERROR;
287    }
288
289    /*
290     * We want to call main() with a String array with our arguments in it.
291     * Create an array and populate it.
292     */
293    jclass stringClass;
294    jobjectArray strArray;
295
296    const size_t numArgs = args.size();
297    stringClass = env->FindClass("java/lang/String");
298    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
299
300    for (size_t i = 0; i < numArgs; i++) {
301        jstring argStr = env->NewStringUTF(args[i].string());
302        env->SetObjectArrayElement(strArray, i, argStr);
303    }
304
305    env->CallStaticVoidMethod(clazz, methodId, strArray);
306    return NO_ERROR;
307}
308
309/*
310 * The VM calls this through the "exit" hook.
311 */
312static void runtime_exit(int code)
313{
314    gCurRuntime->exit(code);
315}
316
317/*
318 * The VM calls this through the "vfprintf" hook.
319 *
320 * We ignore "fp" and just write the results to the log file.
321 */
322static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
323{
324    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
325}
326
327/**
328 * The VM calls this when mutex contention debugging is enabled to
329 * determine whether or not the blocked thread was a "sensitive thread"
330 * for user responsiveness/smoothess.
331 *
332 * Our policy for this is whether or not we're tracing any StrictMode
333 * events on this thread (which we might've inherited via Binder calls
334 * into us)
335 */
336static bool runtime_isSensitiveThread() {
337    IPCThreadState* state = IPCThreadState::selfOrNull();
338    return state && state->getStrictModePolicy() != 0;
339}
340
341
342/**
343 * Add VM arguments to the to-be-executed VM
344 * Stops at first non '-' argument (also stops at an argument of '--')
345 * Returns the number of args consumed
346 */
347int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
348{
349    int i;
350
351    for (i = 0; i<argc; i++) {
352        if (argv[i][0] != '-') {
353            return i;
354        }
355        if (argv[i][1] == '-' && argv[i][2] == 0) {
356            return i+1;
357        }
358        addOption(argv[i]);
359    }
360    return i;
361}
362
363static int hasDir(const char* dir)
364{
365    struct stat s;
366    int res = stat(dir, &s);
367    if (res == 0) {
368        return S_ISDIR(s.st_mode);
369    }
370    return 0;
371}
372
373/*
374 * Read the persistent locale.
375 */
376static void readLocale(char* language, char* region)
377{
378    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
379
380    property_get("persist.sys.language", propLang, "");
381    property_get("persist.sys.country", propRegn, "");
382    if (*propLang == 0 && *propRegn == 0) {
383        /* Set to ro properties, default is en_US */
384        property_get("ro.product.locale.language", propLang, "en");
385        property_get("ro.product.locale.region", propRegn, "US");
386    }
387    strncat(language, propLang, 3);
388    strncat(region, propRegn, 3);
389    //ALOGD("language=%s region=%s\n", language, region);
390}
391
392void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
393{
394    JavaVMOption opt;
395    opt.optionString = optionString;
396    opt.extraInfo = extraInfo;
397    mOptions.add(opt);
398}
399
400/*
401 * Parse a property containing space-separated options that should be
402 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
403 *
404 * This will cut up "extraOptsBuf" as we chop it into individual options.
405 *
406 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
407 *
408 * Adds the strings, if any, to mOptions.
409 */
410void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
411{
412    char* start = extraOptsBuf;
413    char* end = NULL;
414    while (*start != '\0') {
415        while (*start == ' ')                   /* skip leading whitespace */
416            start++;
417        if (*start == '\0')                     /* was trailing ws, bail */
418            break;
419
420        end = start+1;
421        while (*end != ' ' && *end != '\0')     /* find end of token */
422            end++;
423        if (*end == ' ')
424            *end++ = '\0';          /* mark end, advance to indicate more */
425
426        if (quotingArg != NULL) {
427            addOption(quotingArg);
428        }
429        addOption(start);
430        start = end;
431    }
432}
433
434/*
435 * Reads a "property" into "buffer" with a default of "defaultArg". If
436 * the property is non-empty, it is treated as a runtime option such
437 * as "-Xmx32m".
438 *
439 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
440 *
441 * If an argument is found, it is added to mOptions.
442 *
443 * If an option is found, it is added to mOptions and true is
444 * returned. Otherwise false is returned.
445 */
446bool AndroidRuntime::parseRuntimeOption(const char* property,
447                                        char* buffer,
448                                        const char* runtimeArg,
449                                        const char* defaultArg)
450{
451    strcpy(buffer, runtimeArg);
452    size_t runtimeArgLen = strlen(runtimeArg);
453    property_get(property, buffer+runtimeArgLen, defaultArg);
454    if (buffer[runtimeArgLen] == '\0') {
455        return false;
456    }
457    addOption(buffer);
458    return true;
459}
460
461/*
462 * Reads a "property" into "buffer". If the property is non-empty, it
463 * is treated as a dex2oat compiler option that should be
464 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
465 *
466 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
467 *
468 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
469 *
470 * If an option is found, it is added to mOptions and true is
471 * returned. Otherwise false is returned.
472 */
473bool AndroidRuntime::parseCompilerOption(const char* property,
474                                         char* buffer,
475                                         const char* compilerArg,
476                                         const char* quotingArg)
477{
478    strcpy(buffer, compilerArg);
479    size_t compilerArgLen = strlen(compilerArg);
480    property_get(property, buffer+compilerArgLen, "");
481    if (buffer[compilerArgLen] == '\0') {
482        return false;
483    }
484    addOption(quotingArg);
485    addOption(buffer);
486    return true;
487}
488
489/*
490 * Reads a "property" into "buffer". If the property is non-empty, it
491 * is treated as a dex2oat compiler runtime option that should be
492 * passed as a quoted option, e.g. "-Ximage-compiler-option
493 * --runtime-arg -Ximage-compiler-option -Xmx32m".
494 *
495 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
496 *
497 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
498 *
499 * If an option is found, it is added to mOptions and true is
500 * returned. Otherwise false is returned.
501 */
502bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
503                                                char* buffer,
504                                                const char* runtimeArg,
505                                                const char* quotingArg)
506{
507    strcpy(buffer, runtimeArg);
508    size_t runtimeArgLen = strlen(runtimeArg);
509    property_get(property, buffer+runtimeArgLen, "");
510    if (buffer[runtimeArgLen] == '\0') {
511        return false;
512    }
513    addOption(quotingArg);
514    addOption("--runtime-arg");
515    addOption(quotingArg);
516    addOption(buffer);
517    return true;
518}
519
520/*
521 * Start the Dalvik Virtual Machine.
522 *
523 * Various arguments, most determined by system properties, are passed in.
524 * The "mOptions" vector is updated.
525 *
526 * CAUTION: when adding options in here, be careful not to put the
527 * char buffer inside a nested scope.  Adding the buffer to the
528 * options using mOptions.add() does not copy the buffer, so if the
529 * buffer goes out of scope the option may be overwritten.  It's best
530 * to put the buffer at the top of the function so that it is more
531 * unlikely that someone will surround it in a scope at a later time
532 * and thus introduce a bug.
533 *
534 * Returns 0 on success.
535 */
536int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
537{
538    int result = -1;
539    JavaVMInitArgs initArgs;
540    char propBuf[PROPERTY_VALUE_MAX];
541    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
542    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
543    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
544    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
545    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
546    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
547    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
548    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
549    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
550    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
551    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
552    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
553    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
554    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
555    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
556    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
557    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
558    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
559    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
560    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
561    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
562    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
563    char extraOptsBuf[PROPERTY_VALUE_MAX];
564    char voldDecryptBuf[PROPERTY_VALUE_MAX];
565    enum {
566      kEMDefault,
567      kEMIntPortable,
568      kEMIntFast,
569      kEMJitCompiler,
570    } executionMode = kEMDefault;
571    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
572    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
573    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
574    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
575    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
576    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
577                                    PROPERTY_VALUE_MAX];
578    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
579    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
580    char langOption[sizeof("-Duser.language=") + 3];
581    char regionOption[sizeof("-Duser.region=") + 3];
582    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
583    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
584    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
585    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
586
587    bool checkJni = false;
588    property_get("dalvik.vm.checkjni", propBuf, "");
589    if (strcmp(propBuf, "true") == 0) {
590        checkJni = true;
591    } else if (strcmp(propBuf, "false") != 0) {
592        /* property is neither true nor false; fall back on kernel parameter */
593        property_get("ro.kernel.android.checkjni", propBuf, "");
594        if (propBuf[0] == '1') {
595            checkJni = true;
596        }
597    }
598    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
599    if (checkJni) {
600        /* extended JNI checking */
601        addOption("-Xcheck:jni");
602
603        /* set a cap on JNI global references */
604        addOption("-Xjnigreflimit:2000");
605
606        /* with -Xcheck:jni, this provides a JNI function call trace */
607        //addOption("-verbose:jni");
608    }
609
610    property_get("dalvik.vm.execution-mode", propBuf, "");
611    if (strcmp(propBuf, "int:portable") == 0) {
612        executionMode = kEMIntPortable;
613    } else if (strcmp(propBuf, "int:fast") == 0) {
614        executionMode = kEMIntFast;
615    } else if (strcmp(propBuf, "int:jit") == 0) {
616        executionMode = kEMJitCompiler;
617    }
618
619    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
620
621    property_get("dalvik.vm.check-dex-sum", propBuf, "");
622    if (strcmp(propBuf, "true") == 0) {
623        /* perform additional DEX checksum tests */
624        addOption("-Xcheckdexsum");
625    }
626
627    property_get("log.redirect-stdio", propBuf, "");
628    if (strcmp(propBuf, "true") == 0) {
629        /* convert stdout/stderr to log messages */
630        addOption("-Xlog-stdio");
631    }
632
633    strcpy(enableAssertBuf, "-ea:");
634    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
635    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
636        /* accept "all" to mean "all classes and packages" */
637        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
638            enableAssertBuf[3] = '\0'; // truncate to "-ea"
639        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
640        addOption(enableAssertBuf);
641    } else {
642        ALOGV("Assertions disabled\n");
643    }
644
645    strcpy(jniOptsBuf, "-Xjniopts:");
646    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
647        ALOGI("JNI options: '%s'\n", jniOptsBuf);
648    }
649
650    /* route exit() to our handler */
651    addOption("exit", (void*) runtime_exit);
652
653    /* route fprintf() to our handler */
654    addOption("vfprintf", (void*) runtime_vfprintf);
655
656    /* register the framework-specific "is sensitive thread" hook */
657    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
658
659    /* enable verbose; standard options are { jni, gc, class } */
660    //addOption("-verbose:jni");
661    addOption("-verbose:gc");
662    //addOption("-verbose:class");
663
664    /*
665     * The default starting and maximum size of the heap.  Larger
666     * values should be specified in a product property override.
667     */
668    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
669    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
670
671    // Increase the main thread's interpreter stack size for bug 6315322.
672    addOption("-XX:mainThreadStackSize=24K");
673
674    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
675    parseRuntimeOption("dalvik.vm.jit.codecachesize",
676                       jitcodecachesizeOptsBuf,
677                       "-Xjitcodecachesize:");
678
679    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
680    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
681    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
682    parseRuntimeOption("dalvik.vm.heaptargetutilization",
683                       heaptargetutilizationOptsBuf,
684                       "-XX:HeapTargetUtilization=");
685
686    property_get("ro.config.low_ram", propBuf, "");
687    if (strcmp(propBuf, "true") == 0) {
688      addOption("-XX:LowMemoryMode");
689    }
690
691    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
692    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
693
694    /*
695     * Enable or disable dexopt features, such as bytecode verification and
696     * calculation of register maps for precise GC.
697     */
698    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
699    if (dexoptFlagsBuf[0] != '\0') {
700        const char* opc;
701        const char* val;
702
703        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
704        if (opc != NULL) {
705            switch (*(opc+2)) {
706            case 'n':   val = "-Xverify:none";      break;
707            case 'r':   val = "-Xverify:remote";    break;
708            case 'a':   val = "-Xverify:all";       break;
709            default:    val = NULL;                 break;
710            }
711
712            if (val != NULL) {
713                addOption(val);
714            }
715        }
716
717        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
718        if (opc != NULL) {
719            switch (*(opc+2)) {
720            case 'n':   val = "-Xdexopt:none";      break;
721            case 'v':   val = "-Xdexopt:verified";  break;
722            case 'a':   val = "-Xdexopt:all";       break;
723            case 'f':   val = "-Xdexopt:full";      break;
724            default:    val = NULL;                 break;
725            }
726
727            if (val != NULL) {
728                addOption(val);
729            }
730        }
731
732        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
733        if (opc != NULL) {
734            addOption("-Xgenregmap");
735
736            /* turn on precise GC while we're at it */
737            addOption("-Xgc:precise");
738        }
739    }
740
741    /* enable debugging; set suspend=y to pause during VM init */
742    /* use android ADB transport */
743    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
744
745    parseRuntimeOption("dalvik.vm.lockprof.threshold",
746                       lockProfThresholdBuf,
747                       "-Xlockprofthreshold:");
748
749    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
750    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
751
752    /* Force interpreter-only mode for selected methods */
753    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
754
755    if (executionMode == kEMIntPortable) {
756        addOption("-Xint:portable");
757    } else if (executionMode == kEMIntFast) {
758        addOption("-Xint:fast");
759    } else if (executionMode == kEMJitCompiler) {
760        addOption("-Xint:jit");
761    }
762
763    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
764    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
765    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
766
767    if (libart) {
768        // If we booting without the real /data, don't spend time compiling.
769        property_get("vold.decrypt", voldDecryptBuf, "");
770        bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
771                                 (strcmp(voldDecryptBuf, "1") == 0));
772
773        // Extra options for boot.art/boot.oat image generation.
774        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
775                                   "-Xms", "-Ximage-compiler-option");
776        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
777                                   "-Xmx", "-Ximage-compiler-option");
778        if (skip_compilation) {
779            addOption("-Ximage-compiler-option");
780            addOption("--compiler-filter=verify-none");
781        } else {
782            parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
783                                "--compiler-filter=", "-Ximage-compiler-option");
784        }
785        addOption("-Ximage-compiler-option");
786        addOption("--image-classes-zip=/system/framework/framework.jar");
787        addOption("-Ximage-compiler-option");
788        addOption("--image-classes=preloaded-classes");
789        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
790        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
791
792        // Extra options for DexClassLoader.
793        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
794                                   "-Xms", "-Xcompiler-option");
795        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
796                                   "-Xmx", "-Xcompiler-option");
797        if (skip_compilation) {
798            addOption("-Xcompiler-option");
799            addOption("--compiler-filter=verify-none");
800        } else {
801            parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
802                                "--compiler-filter=", "-Xcompiler-option");
803        }
804        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
805        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
806
807    }
808
809    /* extra options; parse this late so it overrides others */
810    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
811    parseExtraOpts(extraOptsBuf, NULL);
812
813    /* Set the properties for locale */
814    {
815        strcpy(langOption, "-Duser.language=");
816        strcpy(regionOption, "-Duser.region=");
817        readLocale(langOption, regionOption);
818        addOption(langOption);
819        addOption(regionOption);
820    }
821
822    /*
823     * Set profiler options
824     */
825    if (libart) {
826        // Whether or not the profiler should be enabled.
827        property_get("dalvik.vm.profiler", propBuf, "0");
828        if (propBuf[0] == '1') {
829            addOption("-Xenable-profiler");
830        }
831
832        // Whether the profile should start upon app startup or be delayed by some random offset
833        // (in seconds) that is bound between 0 and a fixed value.
834        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
835        if (propBuf[0] == '1') {
836            addOption("-Xprofile-start-immediately");
837        }
838
839        // Number of seconds during profile runs.
840        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
841
842        // Length of each profile run (seconds).
843        parseRuntimeOption("dalvik.vm.profile.duration-secs",
844                           profileDuration,
845                           "-Xprofile-duration:");
846
847        // Polling interval during profile run (microseconds).
848        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
849
850        // Coefficient for period backoff.  The the period is multiplied
851        // by this value after each profile run.
852        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
853
854        // Top K% of samples that are considered relevant when
855        // deciding if the app should be recompiled.
856        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
857                           profileTopKThreshold,
858                           "-Xprofile-top-k-threshold:");
859
860        // The threshold after which a change in the structure of the
861        // top K% profiled samples becomes significant and triggers
862        // recompilation. A change in profile is considered
863        // significant if X% (top-k-change-threshold) of the top K%
864        // (top-k-threshold property) samples has changed.
865        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
866                           profileTopKChangeThreshold,
867                           "-Xprofile-top-k-change-threshold:");
868
869        // Type of profile data.
870        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
871
872        // Depth of bounded stack data
873        parseRuntimeOption("dalvik.vm.profile.stack-depth",
874                           profileMaxStackDepth,
875                           "-Xprofile-max-stack-depth:");
876
877        // Native bridge library. "0" means that native bridge is disabled.
878        property_get("ro.dalvik.vm.native.bridge", propBuf, "");
879        if (propBuf[0] == '\0') {
880            ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
881        } else if (strcmp(propBuf, "0") != 0) {
882            snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
883                     "-XX:NativeBridge=%s", propBuf);
884            addOption(nativeBridgeLibrary);
885        }
886    }
887
888    initArgs.version = JNI_VERSION_1_4;
889    initArgs.options = mOptions.editArray();
890    initArgs.nOptions = mOptions.size();
891    initArgs.ignoreUnrecognized = JNI_FALSE;
892
893    /*
894     * Initialize the VM.
895     *
896     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
897     * If this call succeeds, the VM is ready, and we can start issuing
898     * JNI calls.
899     */
900    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
901        ALOGE("JNI_CreateJavaVM failed\n");
902        goto bail;
903    }
904
905    result = 0;
906
907bail:
908    return result;
909}
910
911char* AndroidRuntime::toSlashClassName(const char* className)
912{
913    char* result = strdup(className);
914    for (char* cp = result; *cp != '\0'; cp++) {
915        if (*cp == '.') {
916            *cp = '/';
917        }
918    }
919    return result;
920}
921
922/*
923 * Start the Android runtime.  This involves starting the virtual machine
924 * and calling the "static void main(String[] args)" method in the class
925 * named by "className".
926 *
927 * Passes the main function two arguments, the class name and the specified
928 * options string.
929 */
930void AndroidRuntime::start(const char* className, const Vector<String8>& options)
931{
932    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
933            className != NULL ? className : "(unknown)");
934
935    static const String8 startSystemServer("start-system-server");
936
937    /*
938     * 'startSystemServer == true' means runtime is obsolete and not run from
939     * init.rc anymore, so we print out the boot start event here.
940     */
941    for (size_t i = 0; i < options.size(); ++i) {
942        if (options[i] == startSystemServer) {
943           /* track our progress through the boot sequence */
944           const int LOG_BOOT_PROGRESS_START = 3000;
945           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
946        }
947    }
948
949    const char* rootDir = getenv("ANDROID_ROOT");
950    if (rootDir == NULL) {
951        rootDir = "/system";
952        if (!hasDir("/system")) {
953            LOG_FATAL("No root directory specified, and /android does not exist.");
954            return;
955        }
956        setenv("ANDROID_ROOT", rootDir, 1);
957    }
958
959    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
960    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
961
962    /* start the virtual machine */
963    JniInvocation jni_invocation;
964    jni_invocation.Init(NULL);
965    JNIEnv* env;
966    if (startVm(&mJavaVM, &env) != 0) {
967        return;
968    }
969    onVmCreated(env);
970
971    /*
972     * Register android functions.
973     */
974    if (startReg(env) < 0) {
975        ALOGE("Unable to register all android natives\n");
976        return;
977    }
978
979    /*
980     * We want to call main() with a String array with arguments in it.
981     * At present we have two arguments, the class name and an option string.
982     * Create an array to hold them.
983     */
984    jclass stringClass;
985    jobjectArray strArray;
986    jstring classNameStr;
987
988    stringClass = env->FindClass("java/lang/String");
989    assert(stringClass != NULL);
990    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
991    assert(strArray != NULL);
992    classNameStr = env->NewStringUTF(className);
993    assert(classNameStr != NULL);
994    env->SetObjectArrayElement(strArray, 0, classNameStr);
995
996    for (size_t i = 0; i < options.size(); ++i) {
997        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
998        assert(optionsStr != NULL);
999        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1000    }
1001
1002    /*
1003     * Start VM.  This thread becomes the main thread of the VM, and will
1004     * not return until the VM exits.
1005     */
1006    char* slashClassName = toSlashClassName(className);
1007    jclass startClass = env->FindClass(slashClassName);
1008    if (startClass == NULL) {
1009        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1010        /* keep going */
1011    } else {
1012        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1013            "([Ljava/lang/String;)V");
1014        if (startMeth == NULL) {
1015            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1016            /* keep going */
1017        } else {
1018            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1019
1020#if 0
1021            if (env->ExceptionCheck())
1022                threadExitUncaughtException(env);
1023#endif
1024        }
1025    }
1026    free(slashClassName);
1027
1028    ALOGD("Shutting down VM\n");
1029    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1030        ALOGW("Warning: unable to detach main thread\n");
1031    if (mJavaVM->DestroyJavaVM() != 0)
1032        ALOGW("Warning: VM did not shut down cleanly\n");
1033}
1034
1035void AndroidRuntime::exit(int code)
1036{
1037    if (mExitWithoutCleanup) {
1038        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1039        ::_exit(code);
1040    } else {
1041        ALOGI("VM exiting with result code %d.", code);
1042        onExit(code);
1043        ::exit(code);
1044    }
1045}
1046
1047void AndroidRuntime::onVmCreated(JNIEnv* env)
1048{
1049    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1050}
1051
1052/*
1053 * Get the JNIEnv pointer for this thread.
1054 *
1055 * Returns NULL if the slot wasn't allocated or populated.
1056 */
1057/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1058{
1059    JNIEnv* env;
1060    JavaVM* vm = AndroidRuntime::getJavaVM();
1061    assert(vm != NULL);
1062
1063    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1064        return NULL;
1065    return env;
1066}
1067
1068/*
1069 * Makes the current thread visible to the VM.
1070 *
1071 * The JNIEnv pointer returned is only valid for the current thread, and
1072 * thus must be tucked into thread-local storage.
1073 */
1074static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1075{
1076    JavaVMAttachArgs args;
1077    JavaVM* vm;
1078    jint result;
1079
1080    vm = AndroidRuntime::getJavaVM();
1081    assert(vm != NULL);
1082
1083    args.version = JNI_VERSION_1_4;
1084    args.name = (char*) threadName;
1085    args.group = NULL;
1086
1087    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1088    if (result != JNI_OK)
1089        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1090
1091    return result;
1092}
1093
1094/*
1095 * Detach the current thread from the set visible to the VM.
1096 */
1097static int javaDetachThread(void)
1098{
1099    JavaVM* vm;
1100    jint result;
1101
1102    vm = AndroidRuntime::getJavaVM();
1103    assert(vm != NULL);
1104
1105    result = vm->DetachCurrentThread();
1106    if (result != JNI_OK)
1107        ALOGE("ERROR: thread detach failed\n");
1108    return result;
1109}
1110
1111/*
1112 * When starting a native thread that will be visible from the VM, we
1113 * bounce through this to get the right attach/detach action.
1114 * Note that this function calls free(args)
1115 */
1116/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1117    void* start = ((void**)args)[0];
1118    void* userData = ((void **)args)[1];
1119    char* name = (char*) ((void **)args)[2];        // we own this storage
1120    free(args);
1121    JNIEnv* env;
1122    int result;
1123
1124    /* hook us into the VM */
1125    if (javaAttachThread(name, &env) != JNI_OK)
1126        return -1;
1127
1128    /* start the thread running */
1129    result = (*(android_thread_func_t)start)(userData);
1130
1131    /* unhook us */
1132    javaDetachThread();
1133    free(name);
1134
1135    return result;
1136}
1137
1138/*
1139 * This is invoked from androidCreateThreadEtc() via the callback
1140 * set with androidSetCreateThreadFunc().
1141 *
1142 * We need to create the new thread in such a way that it gets hooked
1143 * into the VM before it really starts executing.
1144 */
1145/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1146                                android_thread_func_t entryFunction,
1147                                void* userData,
1148                                const char* threadName,
1149                                int32_t threadPriority,
1150                                size_t threadStackSize,
1151                                android_thread_id_t* threadId)
1152{
1153    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1154    int result;
1155
1156    assert(threadName != NULL);
1157
1158    args[0] = (void*) entryFunction;
1159    args[1] = userData;
1160    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1161
1162    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1163        threadName, threadPriority, threadStackSize, threadId);
1164    return result;
1165}
1166
1167/*
1168 * Create a thread that is visible from the VM.
1169 *
1170 * This is called from elsewhere in the library.
1171 */
1172/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1173    void (*start)(void *), void* arg)
1174{
1175    android_thread_id_t threadId = 0;
1176    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1177        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1178    return threadId;
1179}
1180
1181#if 0
1182static void quickTest(void* arg)
1183{
1184    const char* str = (const char*) arg;
1185
1186    printf("In quickTest: %s\n", str);
1187}
1188#endif
1189
1190#ifdef NDEBUG
1191    #define REG_JNI(name)      { name }
1192    struct RegJNIRec {
1193        int (*mProc)(JNIEnv*);
1194    };
1195#else
1196    #define REG_JNI(name)      { name, #name }
1197    struct RegJNIRec {
1198        int (*mProc)(JNIEnv*);
1199        const char* mName;
1200    };
1201#endif
1202
1203typedef void (*RegJAMProc)();
1204
1205static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1206{
1207    for (size_t i = 0; i < count; i++) {
1208        if (array[i].mProc(env) < 0) {
1209#ifndef NDEBUG
1210            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1211#endif
1212            return -1;
1213        }
1214    }
1215    return 0;
1216}
1217
1218static void register_jam_procs(const RegJAMProc array[], size_t count)
1219{
1220    for (size_t i = 0; i < count; i++) {
1221        array[i]();
1222    }
1223}
1224
1225static const RegJNIRec gRegJNI[] = {
1226    REG_JNI(register_com_android_internal_os_RuntimeInit),
1227    REG_JNI(register_android_os_SystemClock),
1228    REG_JNI(register_android_util_EventLog),
1229    REG_JNI(register_android_util_Log),
1230    REG_JNI(register_android_content_AssetManager),
1231    REG_JNI(register_android_content_StringBlock),
1232    REG_JNI(register_android_content_XmlBlock),
1233    REG_JNI(register_android_emoji_EmojiFactory),
1234    REG_JNI(register_android_text_AndroidCharacter),
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_view_DisplayEventReceiver),
1243    REG_JNI(register_android_nio_utils),
1244    REG_JNI(register_android_graphics_Graphics),
1245    REG_JNI(register_android_view_GraphicBuffer),
1246    REG_JNI(register_android_view_GLES20DisplayList),
1247    REG_JNI(register_android_view_GLES20Canvas),
1248    REG_JNI(register_android_view_HardwareRenderer),
1249    REG_JNI(register_android_view_Surface),
1250    REG_JNI(register_android_view_SurfaceControl),
1251    REG_JNI(register_android_view_SurfaceSession),
1252    REG_JNI(register_android_view_TextureView),
1253    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1254    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1255    REG_JNI(register_android_opengl_jni_EGL14),
1256    REG_JNI(register_android_opengl_jni_EGLExt),
1257    REG_JNI(register_android_opengl_jni_GLES10),
1258    REG_JNI(register_android_opengl_jni_GLES10Ext),
1259    REG_JNI(register_android_opengl_jni_GLES11),
1260    REG_JNI(register_android_opengl_jni_GLES11Ext),
1261    REG_JNI(register_android_opengl_jni_GLES20),
1262    REG_JNI(register_android_opengl_jni_GLES30),
1263
1264    REG_JNI(register_android_graphics_Bitmap),
1265    REG_JNI(register_android_graphics_BitmapFactory),
1266    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1267    REG_JNI(register_android_graphics_Camera),
1268    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1269    REG_JNI(register_android_graphics_Canvas),
1270    REG_JNI(register_android_graphics_ColorFilter),
1271    REG_JNI(register_android_graphics_DrawFilter),
1272    REG_JNI(register_android_graphics_Interpolator),
1273    REG_JNI(register_android_graphics_LayerRasterizer),
1274    REG_JNI(register_android_graphics_MaskFilter),
1275    REG_JNI(register_android_graphics_Matrix),
1276    REG_JNI(register_android_graphics_Movie),
1277    REG_JNI(register_android_graphics_NinePatch),
1278    REG_JNI(register_android_graphics_Paint),
1279    REG_JNI(register_android_graphics_Path),
1280    REG_JNI(register_android_graphics_PathMeasure),
1281    REG_JNI(register_android_graphics_PathEffect),
1282    REG_JNI(register_android_graphics_Picture),
1283    REG_JNI(register_android_graphics_PorterDuff),
1284    REG_JNI(register_android_graphics_Rasterizer),
1285    REG_JNI(register_android_graphics_Region),
1286    REG_JNI(register_android_graphics_Shader),
1287    REG_JNI(register_android_graphics_SurfaceTexture),
1288    REG_JNI(register_android_graphics_Typeface),
1289    REG_JNI(register_android_graphics_Xfermode),
1290    REG_JNI(register_android_graphics_YuvImage),
1291    REG_JNI(register_android_graphics_pdf_PdfDocument),
1292
1293    REG_JNI(register_android_database_CursorWindow),
1294    REG_JNI(register_android_database_SQLiteConnection),
1295    REG_JNI(register_android_database_SQLiteGlobal),
1296    REG_JNI(register_android_database_SQLiteDebug),
1297    REG_JNI(register_android_os_Debug),
1298    REG_JNI(register_android_os_FileObserver),
1299    REG_JNI(register_android_os_MessageQueue),
1300    REG_JNI(register_android_os_SELinux),
1301    REG_JNI(register_android_os_Trace),
1302    REG_JNI(register_android_os_UEventObserver),
1303    REG_JNI(register_android_net_LocalSocketImpl),
1304    REG_JNI(register_android_net_NetworkUtils),
1305    REG_JNI(register_android_net_TrafficStats),
1306    REG_JNI(register_android_net_wifi_WifiNative),
1307    REG_JNI(register_android_os_MemoryFile),
1308    REG_JNI(register_com_android_internal_os_ZygoteInit),
1309    REG_JNI(register_com_android_internal_os_Zygote),
1310    REG_JNI(register_android_hardware_Camera),
1311    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1312    REG_JNI(register_android_hardware_SensorManager),
1313    REG_JNI(register_android_hardware_SerialPort),
1314    REG_JNI(register_android_hardware_UsbDevice),
1315    REG_JNI(register_android_hardware_UsbDeviceConnection),
1316    REG_JNI(register_android_hardware_UsbRequest),
1317    REG_JNI(register_android_media_AudioRecord),
1318    REG_JNI(register_android_media_AudioSystem),
1319    REG_JNI(register_android_media_AudioTrack),
1320    REG_JNI(register_android_media_JetPlayer),
1321    REG_JNI(register_android_media_RemoteDisplay),
1322    REG_JNI(register_android_media_ToneGenerator),
1323
1324    REG_JNI(register_android_opengl_classes),
1325    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1326    REG_JNI(register_android_server_Watchdog),
1327    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1328    REG_JNI(register_android_backup_BackupDataInput),
1329    REG_JNI(register_android_backup_BackupDataOutput),
1330    REG_JNI(register_android_backup_FileBackupHelperBase),
1331    REG_JNI(register_android_backup_BackupHelperDispatcher),
1332    REG_JNI(register_android_app_backup_FullBackup),
1333    REG_JNI(register_android_app_ActivityThread),
1334    REG_JNI(register_android_app_NativeActivity),
1335    REG_JNI(register_android_view_InputChannel),
1336    REG_JNI(register_android_view_InputEventReceiver),
1337    REG_JNI(register_android_view_InputEventSender),
1338    REG_JNI(register_android_view_InputQueue),
1339    REG_JNI(register_android_view_KeyEvent),
1340    REG_JNI(register_android_view_MotionEvent),
1341    REG_JNI(register_android_view_PointerIcon),
1342    REG_JNI(register_android_view_VelocityTracker),
1343
1344    REG_JNI(register_android_content_res_ObbScanner),
1345    REG_JNI(register_android_content_res_Configuration),
1346
1347    REG_JNI(register_android_animation_PropertyValuesHolder),
1348    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1349    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1350};
1351
1352/*
1353 * Register android native functions with the VM.
1354 */
1355/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1356{
1357    /*
1358     * This hook causes all future threads created in this process to be
1359     * attached to the JavaVM.  (This needs to go away in favor of JNI
1360     * Attach calls.)
1361     */
1362    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1363
1364    ALOGV("--- registering native functions ---\n");
1365
1366    /*
1367     * Every "register" function calls one or more things that return
1368     * a local reference (e.g. FindClass).  Because we haven't really
1369     * started the VM yet, they're all getting stored in the base frame
1370     * and never released.  Use Push/Pop to manage the storage.
1371     */
1372    env->PushLocalFrame(200);
1373
1374    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1375        env->PopLocalFrame(NULL);
1376        return -1;
1377    }
1378    env->PopLocalFrame(NULL);
1379
1380    //createJavaThread("fubar", quickTest, (void*) "hello");
1381
1382    return 0;
1383}
1384
1385AndroidRuntime* AndroidRuntime::getRuntime()
1386{
1387    return gCurRuntime;
1388}
1389
1390/**
1391 * Used by WithFramework to register native functions.
1392 */
1393extern "C"
1394jint Java_com_android_internal_util_WithFramework_registerNatives(
1395        JNIEnv* env, jclass clazz) {
1396    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1397}
1398
1399/**
1400 * Used by LoadClass to register native functions.
1401 */
1402extern "C"
1403jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1404    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1405}
1406
1407}   // namespace android
1408