AndroidRuntime.cpp revision f60d3a4702f6d00d7edb5d348c53b9b03ae16b76 
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
93extern int register_android_util_FloatMath(JNIEnv* env);
94
95namespace android {
96
97/*
98 * JNI-based registration functions.  Note these are properly contained in
99 * namespace android.
100 */
101extern int register_android_content_AssetManager(JNIEnv* env);
102extern int register_android_util_EventLog(JNIEnv* env);
103extern int register_android_util_Log(JNIEnv* env);
104extern int register_android_content_StringBlock(JNIEnv* env);
105extern int register_android_content_XmlBlock(JNIEnv* env);
106extern int register_android_emoji_EmojiFactory(JNIEnv* env);
107extern int register_android_graphics_Canvas(JNIEnv* env);
108extern int register_android_graphics_ColorFilter(JNIEnv* env);
109extern int register_android_graphics_DrawFilter(JNIEnv* env);
110extern int register_android_graphics_Matrix(JNIEnv* env);
111extern int register_android_graphics_Paint(JNIEnv* env);
112extern int register_android_graphics_Path(JNIEnv* env);
113extern int register_android_graphics_PathMeasure(JNIEnv* env);
114extern int register_android_graphics_Picture(JNIEnv*);
115extern int register_android_graphics_PorterDuff(JNIEnv* env);
116extern int register_android_graphics_Rasterizer(JNIEnv* env);
117extern int register_android_graphics_Region(JNIEnv* env);
118extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
119extern int register_android_graphics_Xfermode(JNIEnv* env);
120extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
121extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
122extern int register_android_view_GraphicBuffer(JNIEnv* env);
123extern int register_android_view_GLES20DisplayList(JNIEnv* env);
124extern int register_android_view_GLES20Canvas(JNIEnv* env);
125extern int register_android_view_HardwareRenderer(JNIEnv* env);
126extern int register_android_view_Surface(JNIEnv* env);
127extern int register_android_view_SurfaceControl(JNIEnv* env);
128extern int register_android_view_SurfaceSession(JNIEnv* env);
129extern int register_android_view_TextureView(JNIEnv* env);
130extern int register_android_database_CursorWindow(JNIEnv* env);
131extern int register_android_database_SQLiteConnection(JNIEnv* env);
132extern int register_android_database_SQLiteGlobal(JNIEnv* env);
133extern int register_android_database_SQLiteDebug(JNIEnv* env);
134extern int register_android_nio_utils(JNIEnv* env);
135extern int register_android_os_Debug(JNIEnv* env);
136extern int register_android_os_MessageQueue(JNIEnv* env);
137extern int register_android_os_Parcel(JNIEnv* env);
138extern int register_android_os_SELinux(JNIEnv* env);
139extern int register_android_os_SystemProperties(JNIEnv *env);
140extern int register_android_os_SystemClock(JNIEnv* env);
141extern int register_android_os_Trace(JNIEnv* env);
142extern int register_android_os_FileObserver(JNIEnv *env);
143extern int register_android_os_UEventObserver(JNIEnv* env);
144extern int register_android_os_MemoryFile(JNIEnv* env);
145extern int register_android_net_LocalSocketImpl(JNIEnv* env);
146extern int register_android_net_NetworkUtils(JNIEnv* env);
147extern int register_android_net_TrafficStats(JNIEnv* env);
148extern int register_android_net_wifi_WifiNative(JNIEnv* env);
149extern int register_android_text_AndroidCharacter(JNIEnv *env);
150extern int register_android_text_AndroidBidi(JNIEnv *env);
151extern int register_android_opengl_classes(JNIEnv *env);
152extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
153extern int register_android_server_Watchdog(JNIEnv* env);
154extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
155extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
156extern int register_android_backup_BackupDataInput(JNIEnv *env);
157extern int register_android_backup_BackupDataOutput(JNIEnv *env);
158extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
159extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
160extern int register_android_app_backup_FullBackup(JNIEnv *env);
161extern int register_android_app_ActivityThread(JNIEnv *env);
162extern int register_android_app_NativeActivity(JNIEnv *env);
163extern int register_android_media_RemoteDisplay(JNIEnv *env);
164extern int register_android_view_InputChannel(JNIEnv* env);
165extern int register_android_view_InputDevice(JNIEnv* env);
166extern int register_android_view_InputEventReceiver(JNIEnv* env);
167extern int register_android_view_InputEventSender(JNIEnv* env);
168extern int register_android_view_InputQueue(JNIEnv* env);
169extern int register_android_view_KeyCharacterMap(JNIEnv *env);
170extern int register_android_view_KeyEvent(JNIEnv* env);
171extern int register_android_view_MotionEvent(JNIEnv* env);
172extern int register_android_view_PointerIcon(JNIEnv* env);
173extern int register_android_view_VelocityTracker(JNIEnv* env);
174extern int register_android_content_res_ObbScanner(JNIEnv* env);
175extern int register_android_content_res_Configuration(JNIEnv* env);
176extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
177extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
178extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
179extern int register_com_android_internal_os_Zygote(JNIEnv *env);
180
181static AndroidRuntime* gCurRuntime = NULL;
182
183static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
184{
185    if (jniThrowException(env, exc, msg) != 0)
186        assert(false);
187}
188
189/*
190 * Code written in the Java Programming Language calls here from main().
191 */
192static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
193{
194    gCurRuntime->onStarted();
195}
196
197static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
198{
199    gCurRuntime->onZygoteInit();
200}
201
202static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
203        jobject clazz, jboolean exitWithoutCleanup)
204{
205    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
206}
207
208/*
209 * JNI registration.
210 */
211static JNINativeMethod gMethods[] = {
212    { "nativeFinishInit", "()V",
213        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
214    { "nativeZygoteInit", "()V",
215        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
216    { "nativeSetExitWithoutCleanup", "(Z)V",
217        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
218};
219
220int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
221{
222    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
223        gMethods, NELEM(gMethods));
224}
225
226// ----------------------------------------------------------------------
227
228/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
229
230AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
231        mExitWithoutCleanup(false),
232        mArgBlockStart(argBlockStart),
233        mArgBlockLength(argBlockLength)
234{
235    SkGraphics::Init();
236    // this sets our preference for 16bit images during decode
237    // in case the src is opaque and 24bit
238    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
239    // This cache is shared between browser native images, and java "purgeable"
240    // bitmaps. This globalpool is for images that do not either use the java
241    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
242    // java call site.
243    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
244    // There is also a global font cache, but its budget is specified in code
245    // see SkFontHost_android.cpp
246
247    // Pre-allocate enough space to hold a fair number of options.
248    mOptions.setCapacity(20);
249
250    assert(gCurRuntime == NULL);        // one per process
251    gCurRuntime = this;
252}
253
254AndroidRuntime::~AndroidRuntime()
255{
256    SkGraphics::Term();
257}
258
259/*
260 * Register native methods using JNI.
261 */
262/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
263    const char* className, const JNINativeMethod* gMethods, int numMethods)
264{
265    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
266}
267
268void AndroidRuntime::setArgv0(const char* argv0) {
269    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
270}
271
272status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
273    const Vector<String8>& args)
274{
275    JNIEnv* env;
276    jmethodID methodId;
277
278    ALOGD("Calling main entry %s", className.string());
279
280    env = getJNIEnv();
281    if (clazz == NULL || env == NULL) {
282        return UNKNOWN_ERROR;
283    }
284
285    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
286    if (methodId == NULL) {
287        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
288        return UNKNOWN_ERROR;
289    }
290
291    /*
292     * We want to call main() with a String array with our arguments in it.
293     * Create an array and populate it.
294     */
295    jclass stringClass;
296    jobjectArray strArray;
297
298    const size_t numArgs = args.size();
299    stringClass = env->FindClass("java/lang/String");
300    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
301
302    for (size_t i = 0; i < numArgs; i++) {
303        jstring argStr = env->NewStringUTF(args[i].string());
304        env->SetObjectArrayElement(strArray, i, argStr);
305    }
306
307    env->CallStaticVoidMethod(clazz, methodId, strArray);
308    return NO_ERROR;
309}
310
311/*
312 * The VM calls this through the "exit" hook.
313 */
314static void runtime_exit(int code)
315{
316    gCurRuntime->exit(code);
317}
318
319/*
320 * The VM calls this through the "vfprintf" hook.
321 *
322 * We ignore "fp" and just write the results to the log file.
323 */
324static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
325{
326    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
327}
328
329/**
330 * The VM calls this when mutex contention debugging is enabled to
331 * determine whether or not the blocked thread was a "sensitive thread"
332 * for user responsiveness/smoothess.
333 *
334 * Our policy for this is whether or not we're tracing any StrictMode
335 * events on this thread (which we might've inherited via Binder calls
336 * into us)
337 */
338static bool runtime_isSensitiveThread() {
339    IPCThreadState* state = IPCThreadState::selfOrNull();
340    return state && state->getStrictModePolicy() != 0;
341}
342
343
344/**
345 * Add VM arguments to the to-be-executed VM
346 * Stops at first non '-' argument (also stops at an argument of '--')
347 * Returns the number of args consumed
348 */
349int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
350{
351    int i;
352
353    for (i = 0; i<argc; i++) {
354        if (argv[i][0] != '-') {
355            return i;
356        }
357        if (argv[i][1] == '-' && argv[i][2] == 0) {
358            return i+1;
359        }
360
361        JavaVMOption opt;
362        memset(&opt, 0, sizeof(opt));
363        opt.optionString = (char*)argv[i];
364        mOptions.add(opt);
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
398/*
399 * Parse a property containing space-separated options that should be
400 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
401 *
402 * This will cut up "extraOptsBuf" as we chop it into individual options.
403 *
404 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
405 *
406 * Adds the strings, if any, to mOptions.
407 */
408void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
409{
410    JavaVMOption opt;
411    memset(&opt, 0, sizeof(opt));
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        opt.optionString = start;
427        if (quotingArg != NULL) {
428            JavaVMOption quotingOpt;
429            quotingOpt.optionString = quotingArg;
430            mOptions.add(quotingOpt);
431        }
432        mOptions.add(opt);
433        start = end;
434    }
435}
436
437/*
438 * Reads a "property" into "buffer" with a default of "defaultArg". If
439 * the property is non-empty, it is treated as a runtime option such
440 * as "-Xmx32m".
441 *
442 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
443 *
444 * If an argument is found, it is added to mOptions.
445 *
446 * If an option is found, it is added to mOptions and true is
447 * returned. Otherwise false is returned.
448 */
449bool AndroidRuntime::parseRuntimeOption(const char* property,
450                                        char* buffer,
451                                        const char* runtimeArg,
452                                        const char* defaultArg)
453{
454    strcpy(buffer, runtimeArg);
455    size_t runtimeArgLen = strlen(runtimeArg);
456    property_get(property, buffer+runtimeArgLen, defaultArg);
457    if (buffer[runtimeArgLen] == '\0') {
458        return false;
459    }
460
461    JavaVMOption opt;
462    memset(&opt, 0, sizeof(opt));
463
464    opt.optionString = buffer;
465    mOptions.add(opt);
466
467    return true;
468}
469
470/*
471 * Reads a "property" into "buffer". If the property is non-empty, it
472 * is treated as a dex2oat compiler option that should be
473 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
474 *
475 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
476 *
477 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
478 *
479 * If an option is found, it is added to mOptions and true is
480 * returned. Otherwise false is returned.
481 */
482bool AndroidRuntime::parseCompilerOption(const char* property,
483                                         char* buffer,
484                                         const char* compilerArg,
485                                         const char* quotingArg)
486{
487    strcpy(buffer, compilerArg);
488    size_t compilerArgLen = strlen(compilerArg);
489    property_get(property, buffer+compilerArgLen, "");
490    if (buffer[compilerArgLen] == '\0') {
491        return false;
492    }
493
494    JavaVMOption opt;
495    memset(&opt, 0, sizeof(opt));
496
497    opt.optionString = quotingArg;
498    mOptions.add(opt);
499
500    opt.optionString = buffer;
501    mOptions.add(opt);
502
503    return true;
504}
505
506/*
507 * Reads a "property" into "buffer". If the property is non-empty, it
508 * is treated as a dex2oat compiler runtime option that should be
509 * passed as a quoted option, e.g. "-Ximage-compiler-option
510 * --runtime-arg -Ximage-compiler-option -Xmx32m".
511 *
512 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
513 *
514 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
515 *
516 * If an option is found, it is added to mOptions and true is
517 * returned. Otherwise false is returned.
518 */
519bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
520                                                char* buffer,
521                                                const char* runtimeArg,
522                                                const char* quotingArg)
523{
524    strcpy(buffer, runtimeArg);
525    size_t runtimeArgLen = strlen(runtimeArg);
526    property_get(property, buffer+runtimeArgLen, "");
527    if (buffer[runtimeArgLen] == '\0') {
528        return false;
529    }
530
531    JavaVMOption opt;
532    memset(&opt, 0, sizeof(opt));
533
534    opt.optionString = quotingArg;
535    mOptions.add(opt);
536
537    opt.optionString = "--runtime-arg";
538    mOptions.add(opt);
539
540    opt.optionString = quotingArg;
541    mOptions.add(opt);
542
543    opt.optionString = buffer;
544    mOptions.add(opt);
545
546    return true;
547}
548
549/*
550 * Start the Dalvik Virtual Machine.
551 *
552 * Various arguments, most determined by system properties, are passed in.
553 * The "mOptions" vector is updated.
554 *
555 * CAUTION: when adding options in here, be careful not to put the
556 * char buffer inside a nested scope.  Adding the buffer to the
557 * options using mOptions.add() does not copy the buffer, so if the
558 * buffer goes out of scope the option may be overwritten.  It's best
559 * to put the buffer at the top of the function so that it is more
560 * unlikely that someone will surround it in a scope at a later time
561 * and thus introduce a bug.
562 *
563 * Returns 0 on success.
564 */
565int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
566{
567    int result = -1;
568    JavaVMInitArgs initArgs;
569    JavaVMOption opt;
570    char propBuf[PROPERTY_VALUE_MAX];
571    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
572    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
573    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
574    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
575    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
576    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
577    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
578    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
579    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
580    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
581    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
582    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
583    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
584    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
585    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
586    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
587    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
588    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
589    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
590    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
591    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
592    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
593    char extraOptsBuf[PROPERTY_VALUE_MAX];
594    enum {
595      kEMDefault,
596      kEMIntPortable,
597      kEMIntFast,
598      kEMJitCompiler,
599    } executionMode = kEMDefault;
600    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
601    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
602    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
603    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
604    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
605    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
606                                    PROPERTY_VALUE_MAX];
607    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
608    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
609    char langOption[sizeof("-Duser.language=") + 3];
610    char regionOption[sizeof("-Duser.region=") + 3];
611    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
612    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
613    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
614
615    bool checkJni = false;
616    property_get("dalvik.vm.checkjni", propBuf, "");
617    if (strcmp(propBuf, "true") == 0) {
618        checkJni = true;
619    } else if (strcmp(propBuf, "false") != 0) {
620        /* property is neither true nor false; fall back on kernel parameter */
621        property_get("ro.kernel.android.checkjni", propBuf, "");
622        if (propBuf[0] == '1') {
623            checkJni = true;
624        }
625    }
626    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
627    if (checkJni) {
628        /* extended JNI checking */
629        opt.optionString = "-Xcheck:jni";
630        mOptions.add(opt);
631
632        /* set a cap on JNI global references */
633        opt.optionString = "-Xjnigreflimit:2000";
634        mOptions.add(opt);
635
636        /* with -Xcheck:jni, this provides a JNI function call trace */
637        //opt.optionString = "-verbose:jni";
638        //mOptions.add(opt);
639    }
640
641    property_get("dalvik.vm.execution-mode", propBuf, "");
642    if (strcmp(propBuf, "int:portable") == 0) {
643        executionMode = kEMIntPortable;
644    } else if (strcmp(propBuf, "int:fast") == 0) {
645        executionMode = kEMIntFast;
646    } else if (strcmp(propBuf, "int:jit") == 0) {
647        executionMode = kEMJitCompiler;
648    }
649
650    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
651
652    property_get("dalvik.vm.check-dex-sum", propBuf, "");
653    if (strcmp(propBuf, "true") == 0) {
654        /* perform additional DEX checksum tests */
655        opt.optionString = "-Xcheckdexsum";
656        mOptions.add(opt);
657    }
658
659    property_get("log.redirect-stdio", propBuf, "");
660    if (strcmp(propBuf, "true") == 0) {
661        /* convert stdout/stderr to log messages */
662        opt.optionString = "-Xlog-stdio";
663        mOptions.add(opt);
664    }
665
666    strcpy(enableAssertBuf, "-ea:");
667    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
668    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
669        /* accept "all" to mean "all classes and packages" */
670        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
671            enableAssertBuf[3] = '\0'; // truncate to "-ea"
672        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
673        opt.optionString = enableAssertBuf;
674        mOptions.add(opt);
675    } else {
676        ALOGV("Assertions disabled\n");
677    }
678
679    strcpy(jniOptsBuf, "-Xjniopts:");
680    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
681        ALOGI("JNI options: '%s'\n", jniOptsBuf);
682    }
683
684    /* route exit() to our handler */
685    opt.extraInfo = (void*) runtime_exit;
686    opt.optionString = "exit";
687    mOptions.add(opt);
688
689    /* route fprintf() to our handler */
690    opt.extraInfo = (void*) runtime_vfprintf;
691    opt.optionString = "vfprintf";
692    mOptions.add(opt);
693
694    /* register the framework-specific "is sensitive thread" hook */
695    opt.extraInfo = (void*) runtime_isSensitiveThread;
696    opt.optionString = "sensitiveThread";
697    mOptions.add(opt);
698
699    opt.extraInfo = NULL;
700
701    /* enable verbose; standard options are { jni, gc, class } */
702    //options[curOpt++].optionString = "-verbose:jni";
703    opt.optionString = "-verbose:gc";
704    mOptions.add(opt);
705    //options[curOpt++].optionString = "-verbose:class";
706
707    /*
708     * The default starting and maximum size of the heap.  Larger
709     * values should be specified in a product property override.
710     */
711    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
712    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
713
714    // Increase the main thread's interpreter stack size for bug 6315322.
715    opt.optionString = "-XX:mainThreadStackSize=24K";
716    mOptions.add(opt);
717
718    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
719    parseRuntimeOption("dalvik.vm.jit.codecachesize",
720                       jitcodecachesizeOptsBuf,
721                       "-Xjitcodecachesize:");
722
723    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
724    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
725    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
726    parseRuntimeOption("dalvik.vm.heaptargetutilization",
727                       heaptargetutilizationOptsBuf,
728                       "-XX:HeapTargetUtilization=");
729
730    property_get("ro.config.low_ram", propBuf, "");
731    if (strcmp(propBuf, "true") == 0) {
732      opt.optionString = "-XX:LowMemoryMode";
733      mOptions.add(opt);
734    }
735
736    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
737    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
738
739    /*
740     * Enable or disable dexopt features, such as bytecode verification and
741     * calculation of register maps for precise GC.
742     */
743    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
744    if (dexoptFlagsBuf[0] != '\0') {
745        const char* opc;
746        const char* val;
747
748        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
749        if (opc != NULL) {
750            switch (*(opc+2)) {
751            case 'n':   val = "-Xverify:none";      break;
752            case 'r':   val = "-Xverify:remote";    break;
753            case 'a':   val = "-Xverify:all";       break;
754            default:    val = NULL;                 break;
755            }
756
757            if (val != NULL) {
758                opt.optionString = val;
759                mOptions.add(opt);
760            }
761        }
762
763        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
764        if (opc != NULL) {
765            switch (*(opc+2)) {
766            case 'n':   val = "-Xdexopt:none";      break;
767            case 'v':   val = "-Xdexopt:verified";  break;
768            case 'a':   val = "-Xdexopt:all";       break;
769            case 'f':   val = "-Xdexopt:full";      break;
770            default:    val = NULL;                 break;
771            }
772
773            if (val != NULL) {
774                opt.optionString = val;
775                mOptions.add(opt);
776            }
777        }
778
779        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
780        if (opc != NULL) {
781            opt.optionString = "-Xgenregmap";
782            mOptions.add(opt);
783
784            /* turn on precise GC while we're at it */
785            opt.optionString = "-Xgc:precise";
786            mOptions.add(opt);
787        }
788    }
789
790    /* enable debugging; set suspend=y to pause during VM init */
791    /* use android ADB transport */
792    opt.optionString =
793        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
794    mOptions.add(opt);
795
796    parseRuntimeOption("dalvik.vm.lockprof.threshold",
797                       lockProfThresholdBuf,
798                       "-Xlockprofthreshold:");
799
800    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
801    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
802
803    /* Force interpreter-only mode for selected methods */
804    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
805
806    if (executionMode == kEMIntPortable) {
807        opt.optionString = "-Xint:portable";
808        mOptions.add(opt);
809    } else if (executionMode == kEMIntFast) {
810        opt.optionString = "-Xint:fast";
811        mOptions.add(opt);
812    } else if (executionMode == kEMJitCompiler) {
813        opt.optionString = "-Xint:jit";
814        mOptions.add(opt);
815    }
816
817    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
818    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
819    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
820
821    if (libart) {
822        // Extra options for boot.art/boot.oat image generation.
823        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
824                                   "-Xms", "-Ximage-compiler-option");
825        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
826                                   "-Xmx", "-Ximage-compiler-option");
827        parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
828                            "--compiler-filter=", "-Ximage-compiler-option");
829        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
830        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
831
832        // Extra options for DexClassLoader.
833        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
834                                   "-Xms", "-Xcompiler-option");
835        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
836                                   "-Xmx", "-Xcompiler-option");
837        parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
838                            "--compiler-filter=", "-Xcompiler-option");
839        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
840        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
841    }
842
843    /* extra options; parse this late so it overrides others */
844    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
845    parseExtraOpts(extraOptsBuf, NULL);
846
847    /* Set the properties for locale */
848    {
849        strcpy(langOption, "-Duser.language=");
850        strcpy(regionOption, "-Duser.region=");
851        readLocale(langOption, regionOption);
852        opt.extraInfo = NULL;
853        opt.optionString = langOption;
854        mOptions.add(opt);
855        opt.optionString = regionOption;
856        mOptions.add(opt);
857    }
858
859    /*
860     * Set profiler options
861     */
862    if (libart) {
863        // Whether or not the profiler should be enabled.
864        property_get("dalvik.vm.profiler", propBuf, "0");
865        if (propBuf[0] == '1') {
866            opt.optionString = "-Xenable-profiler";
867            mOptions.add(opt);
868        }
869
870        // Whether the profile should start upon app startup or be delayed by some random offset
871        // (in seconds) that is bound between 0 and a fixed value.
872        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
873        if (propBuf[0] == '1') {
874            opt.optionString = "-Xprofile-start-immediately";
875            mOptions.add(opt);
876        }
877
878        // Number of seconds during profile runs.
879        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
880
881        // Length of each profile run (seconds).
882        parseRuntimeOption("dalvik.vm.profile.duration-secs",
883                           profileDuration,
884                           "-Xprofile-duration:");
885
886        // Polling interval during profile run (microseconds).
887        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
888
889        // Coefficient for period backoff.  The the period is multiplied
890        // by this value after each profile run.
891        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
892
893        // Top K% of samples that are considered relevant when
894        // deciding if the app should be recompiled.
895        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
896                           profileTopKThreshold,
897                           "-Xprofile-top-k-threshold:");
898
899        // The threshold after which a change in the structure of the
900        // top K% profiled samples becomes significant and triggers
901        // recompilation. A change in profile is considered
902        // significant if X% (top-k-change-threshold) of the top K%
903        // (top-k-threshold property) samples has changed.
904        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
905                           profileTopKChangeThreshold,
906                           "-Xprofile-top-k-change-threshold:");
907
908        // Type of profile data.
909        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
910
911        // Depth of bounded stack data
912        parseRuntimeOption("dalvik.vm.profile.max-stack-depth",
913                           profileMaxStackDepth,
914                           "-Xprofile-max-stack-depth:");
915    }
916
917    initArgs.version = JNI_VERSION_1_4;
918    initArgs.options = mOptions.editArray();
919    initArgs.nOptions = mOptions.size();
920    initArgs.ignoreUnrecognized = JNI_FALSE;
921
922    /*
923     * Initialize the VM.
924     *
925     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
926     * If this call succeeds, the VM is ready, and we can start issuing
927     * JNI calls.
928     */
929    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
930        ALOGE("JNI_CreateJavaVM failed\n");
931        goto bail;
932    }
933
934    result = 0;
935
936bail:
937    return result;
938}
939
940char* AndroidRuntime::toSlashClassName(const char* className)
941{
942    char* result = strdup(className);
943    for (char* cp = result; *cp != '\0'; cp++) {
944        if (*cp == '.') {
945            *cp = '/';
946        }
947    }
948    return result;
949}
950
951/*
952 * Start the Android runtime.  This involves starting the virtual machine
953 * and calling the "static void main(String[] args)" method in the class
954 * named by "className".
955 *
956 * Passes the main function two arguments, the class name and the specified
957 * options string.
958 */
959void AndroidRuntime::start(const char* className, const Vector<String8>& options)
960{
961    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
962            className != NULL ? className : "(unknown)");
963
964    static const String8 startSystemServer("start-system-server");
965
966    /*
967     * 'startSystemServer == true' means runtime is obsolete and not run from
968     * init.rc anymore, so we print out the boot start event here.
969     */
970    for (size_t i = 0; i < options.size(); ++i) {
971        if (options[i] == startSystemServer) {
972           /* track our progress through the boot sequence */
973           const int LOG_BOOT_PROGRESS_START = 3000;
974           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
975        }
976    }
977
978    const char* rootDir = getenv("ANDROID_ROOT");
979    if (rootDir == NULL) {
980        rootDir = "/system";
981        if (!hasDir("/system")) {
982            LOG_FATAL("No root directory specified, and /android does not exist.");
983            return;
984        }
985        setenv("ANDROID_ROOT", rootDir, 1);
986    }
987
988    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
989    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
990
991    /* start the virtual machine */
992    JniInvocation jni_invocation;
993    jni_invocation.Init(NULL);
994    JNIEnv* env;
995    if (startVm(&mJavaVM, &env) != 0) {
996        return;
997    }
998    onVmCreated(env);
999
1000    /*
1001     * Register android functions.
1002     */
1003    if (startReg(env) < 0) {
1004        ALOGE("Unable to register all android natives\n");
1005        return;
1006    }
1007
1008    /*
1009     * We want to call main() with a String array with arguments in it.
1010     * At present we have two arguments, the class name and an option string.
1011     * Create an array to hold them.
1012     */
1013    jclass stringClass;
1014    jobjectArray strArray;
1015    jstring classNameStr;
1016
1017    stringClass = env->FindClass("java/lang/String");
1018    assert(stringClass != NULL);
1019    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
1020    assert(strArray != NULL);
1021    classNameStr = env->NewStringUTF(className);
1022    assert(classNameStr != NULL);
1023    env->SetObjectArrayElement(strArray, 0, classNameStr);
1024
1025    for (size_t i = 0; i < options.size(); ++i) {
1026        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1027        assert(optionsStr != NULL);
1028        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1029    }
1030
1031    /*
1032     * Start VM.  This thread becomes the main thread of the VM, and will
1033     * not return until the VM exits.
1034     */
1035    char* slashClassName = toSlashClassName(className);
1036    jclass startClass = env->FindClass(slashClassName);
1037    if (startClass == NULL) {
1038        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1039        /* keep going */
1040    } else {
1041        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1042            "([Ljava/lang/String;)V");
1043        if (startMeth == NULL) {
1044            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1045            /* keep going */
1046        } else {
1047            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1048
1049#if 0
1050            if (env->ExceptionCheck())
1051                threadExitUncaughtException(env);
1052#endif
1053        }
1054    }
1055    free(slashClassName);
1056
1057    ALOGD("Shutting down VM\n");
1058    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1059        ALOGW("Warning: unable to detach main thread\n");
1060    if (mJavaVM->DestroyJavaVM() != 0)
1061        ALOGW("Warning: VM did not shut down cleanly\n");
1062}
1063
1064void AndroidRuntime::exit(int code)
1065{
1066    if (mExitWithoutCleanup) {
1067        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1068        ::_exit(code);
1069    } else {
1070        ALOGI("VM exiting with result code %d.", code);
1071        onExit(code);
1072        ::exit(code);
1073    }
1074}
1075
1076void AndroidRuntime::onVmCreated(JNIEnv* env)
1077{
1078    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1079}
1080
1081/*
1082 * Get the JNIEnv pointer for this thread.
1083 *
1084 * Returns NULL if the slot wasn't allocated or populated.
1085 */
1086/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1087{
1088    JNIEnv* env;
1089    JavaVM* vm = AndroidRuntime::getJavaVM();
1090    assert(vm != NULL);
1091
1092    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1093        return NULL;
1094    return env;
1095}
1096
1097/*
1098 * Makes the current thread visible to the VM.
1099 *
1100 * The JNIEnv pointer returned is only valid for the current thread, and
1101 * thus must be tucked into thread-local storage.
1102 */
1103static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1104{
1105    JavaVMAttachArgs args;
1106    JavaVM* vm;
1107    jint result;
1108
1109    vm = AndroidRuntime::getJavaVM();
1110    assert(vm != NULL);
1111
1112    args.version = JNI_VERSION_1_4;
1113    args.name = (char*) threadName;
1114    args.group = NULL;
1115
1116    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1117    if (result != JNI_OK)
1118        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1119
1120    return result;
1121}
1122
1123/*
1124 * Detach the current thread from the set visible to the VM.
1125 */
1126static int javaDetachThread(void)
1127{
1128    JavaVM* vm;
1129    jint result;
1130
1131    vm = AndroidRuntime::getJavaVM();
1132    assert(vm != NULL);
1133
1134    result = vm->DetachCurrentThread();
1135    if (result != JNI_OK)
1136        ALOGE("ERROR: thread detach failed\n");
1137    return result;
1138}
1139
1140/*
1141 * When starting a native thread that will be visible from the VM, we
1142 * bounce through this to get the right attach/detach action.
1143 * Note that this function calls free(args)
1144 */
1145/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1146    void* start = ((void**)args)[0];
1147    void* userData = ((void **)args)[1];
1148    char* name = (char*) ((void **)args)[2];        // we own this storage
1149    free(args);
1150    JNIEnv* env;
1151    int result;
1152
1153    /* hook us into the VM */
1154    if (javaAttachThread(name, &env) != JNI_OK)
1155        return -1;
1156
1157    /* start the thread running */
1158    result = (*(android_thread_func_t)start)(userData);
1159
1160    /* unhook us */
1161    javaDetachThread();
1162    free(name);
1163
1164    return result;
1165}
1166
1167/*
1168 * This is invoked from androidCreateThreadEtc() via the callback
1169 * set with androidSetCreateThreadFunc().
1170 *
1171 * We need to create the new thread in such a way that it gets hooked
1172 * into the VM before it really starts executing.
1173 */
1174/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1175                                android_thread_func_t entryFunction,
1176                                void* userData,
1177                                const char* threadName,
1178                                int32_t threadPriority,
1179                                size_t threadStackSize,
1180                                android_thread_id_t* threadId)
1181{
1182    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1183    int result;
1184
1185    assert(threadName != NULL);
1186
1187    args[0] = (void*) entryFunction;
1188    args[1] = userData;
1189    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1190
1191    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1192        threadName, threadPriority, threadStackSize, threadId);
1193    return result;
1194}
1195
1196/*
1197 * Create a thread that is visible from the VM.
1198 *
1199 * This is called from elsewhere in the library.
1200 */
1201/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1202    void (*start)(void *), void* arg)
1203{
1204    android_thread_id_t threadId = 0;
1205    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1206        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1207    return threadId;
1208}
1209
1210#if 0
1211static void quickTest(void* arg)
1212{
1213    const char* str = (const char*) arg;
1214
1215    printf("In quickTest: %s\n", str);
1216}
1217#endif
1218
1219#ifdef NDEBUG
1220    #define REG_JNI(name)      { name }
1221    struct RegJNIRec {
1222        int (*mProc)(JNIEnv*);
1223    };
1224#else
1225    #define REG_JNI(name)      { name, #name }
1226    struct RegJNIRec {
1227        int (*mProc)(JNIEnv*);
1228        const char* mName;
1229    };
1230#endif
1231
1232typedef void (*RegJAMProc)();
1233
1234static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1235{
1236    for (size_t i = 0; i < count; i++) {
1237        if (array[i].mProc(env) < 0) {
1238#ifndef NDEBUG
1239            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1240#endif
1241            return -1;
1242        }
1243    }
1244    return 0;
1245}
1246
1247static void register_jam_procs(const RegJAMProc array[], size_t count)
1248{
1249    for (size_t i = 0; i < count; i++) {
1250        array[i]();
1251    }
1252}
1253
1254static const RegJNIRec gRegJNI[] = {
1255    REG_JNI(register_com_android_internal_os_RuntimeInit),
1256    REG_JNI(register_android_os_SystemClock),
1257    REG_JNI(register_android_util_EventLog),
1258    REG_JNI(register_android_util_Log),
1259    REG_JNI(register_android_util_FloatMath),
1260    REG_JNI(register_android_content_AssetManager),
1261    REG_JNI(register_android_content_StringBlock),
1262    REG_JNI(register_android_content_XmlBlock),
1263    REG_JNI(register_android_emoji_EmojiFactory),
1264    REG_JNI(register_android_text_AndroidCharacter),
1265    REG_JNI(register_android_text_AndroidBidi),
1266    REG_JNI(register_android_view_InputDevice),
1267    REG_JNI(register_android_view_KeyCharacterMap),
1268    REG_JNI(register_android_os_Process),
1269    REG_JNI(register_android_os_SystemProperties),
1270    REG_JNI(register_android_os_Binder),
1271    REG_JNI(register_android_os_Parcel),
1272    REG_JNI(register_android_view_DisplayEventReceiver),
1273    REG_JNI(register_android_nio_utils),
1274    REG_JNI(register_android_graphics_Graphics),
1275    REG_JNI(register_android_view_GraphicBuffer),
1276    REG_JNI(register_android_view_GLES20DisplayList),
1277    REG_JNI(register_android_view_GLES20Canvas),
1278    REG_JNI(register_android_view_HardwareRenderer),
1279    REG_JNI(register_android_view_Surface),
1280    REG_JNI(register_android_view_SurfaceControl),
1281    REG_JNI(register_android_view_SurfaceSession),
1282    REG_JNI(register_android_view_TextureView),
1283    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1284    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1285    REG_JNI(register_android_opengl_jni_EGL14),
1286    REG_JNI(register_android_opengl_jni_EGLExt),
1287    REG_JNI(register_android_opengl_jni_GLES10),
1288    REG_JNI(register_android_opengl_jni_GLES10Ext),
1289    REG_JNI(register_android_opengl_jni_GLES11),
1290    REG_JNI(register_android_opengl_jni_GLES11Ext),
1291    REG_JNI(register_android_opengl_jni_GLES20),
1292    REG_JNI(register_android_opengl_jni_GLES30),
1293
1294    REG_JNI(register_android_graphics_Bitmap),
1295    REG_JNI(register_android_graphics_BitmapFactory),
1296    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1297    REG_JNI(register_android_graphics_Camera),
1298    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1299    REG_JNI(register_android_graphics_Canvas),
1300    REG_JNI(register_android_graphics_ColorFilter),
1301    REG_JNI(register_android_graphics_DrawFilter),
1302    REG_JNI(register_android_graphics_Interpolator),
1303    REG_JNI(register_android_graphics_LayerRasterizer),
1304    REG_JNI(register_android_graphics_MaskFilter),
1305    REG_JNI(register_android_graphics_Matrix),
1306    REG_JNI(register_android_graphics_Movie),
1307    REG_JNI(register_android_graphics_NinePatch),
1308    REG_JNI(register_android_graphics_Paint),
1309    REG_JNI(register_android_graphics_Path),
1310    REG_JNI(register_android_graphics_PathMeasure),
1311    REG_JNI(register_android_graphics_PathEffect),
1312    REG_JNI(register_android_graphics_Picture),
1313    REG_JNI(register_android_graphics_PorterDuff),
1314    REG_JNI(register_android_graphics_Rasterizer),
1315    REG_JNI(register_android_graphics_Region),
1316    REG_JNI(register_android_graphics_Shader),
1317    REG_JNI(register_android_graphics_SurfaceTexture),
1318    REG_JNI(register_android_graphics_Typeface),
1319    REG_JNI(register_android_graphics_Xfermode),
1320    REG_JNI(register_android_graphics_YuvImage),
1321    REG_JNI(register_android_graphics_pdf_PdfDocument),
1322
1323    REG_JNI(register_android_database_CursorWindow),
1324    REG_JNI(register_android_database_SQLiteConnection),
1325    REG_JNI(register_android_database_SQLiteGlobal),
1326    REG_JNI(register_android_database_SQLiteDebug),
1327    REG_JNI(register_android_os_Debug),
1328    REG_JNI(register_android_os_FileObserver),
1329    REG_JNI(register_android_os_MessageQueue),
1330    REG_JNI(register_android_os_SELinux),
1331    REG_JNI(register_android_os_Trace),
1332    REG_JNI(register_android_os_UEventObserver),
1333    REG_JNI(register_android_net_LocalSocketImpl),
1334    REG_JNI(register_android_net_NetworkUtils),
1335    REG_JNI(register_android_net_TrafficStats),
1336    REG_JNI(register_android_net_wifi_WifiNative),
1337    REG_JNI(register_android_os_MemoryFile),
1338    REG_JNI(register_com_android_internal_os_ZygoteInit),
1339    REG_JNI(register_com_android_internal_os_Zygote),
1340    REG_JNI(register_android_hardware_Camera),
1341    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1342    REG_JNI(register_android_hardware_SensorManager),
1343    REG_JNI(register_android_hardware_SerialPort),
1344    REG_JNI(register_android_hardware_UsbDevice),
1345    REG_JNI(register_android_hardware_UsbDeviceConnection),
1346    REG_JNI(register_android_hardware_UsbRequest),
1347    REG_JNI(register_android_media_AudioRecord),
1348    REG_JNI(register_android_media_AudioSystem),
1349    REG_JNI(register_android_media_AudioTrack),
1350    REG_JNI(register_android_media_JetPlayer),
1351    REG_JNI(register_android_media_RemoteDisplay),
1352    REG_JNI(register_android_media_ToneGenerator),
1353
1354    REG_JNI(register_android_opengl_classes),
1355    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1356    REG_JNI(register_android_server_Watchdog),
1357    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1358    REG_JNI(register_android_backup_BackupDataInput),
1359    REG_JNI(register_android_backup_BackupDataOutput),
1360    REG_JNI(register_android_backup_FileBackupHelperBase),
1361    REG_JNI(register_android_backup_BackupHelperDispatcher),
1362    REG_JNI(register_android_app_backup_FullBackup),
1363    REG_JNI(register_android_app_ActivityThread),
1364    REG_JNI(register_android_app_NativeActivity),
1365    REG_JNI(register_android_view_InputChannel),
1366    REG_JNI(register_android_view_InputEventReceiver),
1367    REG_JNI(register_android_view_InputEventSender),
1368    REG_JNI(register_android_view_InputQueue),
1369    REG_JNI(register_android_view_KeyEvent),
1370    REG_JNI(register_android_view_MotionEvent),
1371    REG_JNI(register_android_view_PointerIcon),
1372    REG_JNI(register_android_view_VelocityTracker),
1373
1374    REG_JNI(register_android_content_res_ObbScanner),
1375    REG_JNI(register_android_content_res_Configuration),
1376
1377    REG_JNI(register_android_animation_PropertyValuesHolder),
1378    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1379    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1380};
1381
1382/*
1383 * Register android native functions with the VM.
1384 */
1385/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1386{
1387    /*
1388     * This hook causes all future threads created in this process to be
1389     * attached to the JavaVM.  (This needs to go away in favor of JNI
1390     * Attach calls.)
1391     */
1392    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1393
1394    ALOGV("--- registering native functions ---\n");
1395
1396    /*
1397     * Every "register" function calls one or more things that return
1398     * a local reference (e.g. FindClass).  Because we haven't really
1399     * started the VM yet, they're all getting stored in the base frame
1400     * and never released.  Use Push/Pop to manage the storage.
1401     */
1402    env->PushLocalFrame(200);
1403
1404    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1405        env->PopLocalFrame(NULL);
1406        return -1;
1407    }
1408    env->PopLocalFrame(NULL);
1409
1410    //createJavaThread("fubar", quickTest, (void*) "hello");
1411
1412    return 0;
1413}
1414
1415AndroidRuntime* AndroidRuntime::getRuntime()
1416{
1417    return gCurRuntime;
1418}
1419
1420/**
1421 * Used by WithFramework to register native functions.
1422 */
1423extern "C"
1424jint Java_com_android_internal_util_WithFramework_registerNatives(
1425        JNIEnv* env, jclass clazz) {
1426    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1427}
1428
1429/**
1430 * Used by LoadClass to register native functions.
1431 */
1432extern "C"
1433jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1434    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1435}
1436
1437}   // namespace android
1438