AndroidRuntime.cpp revision 0f0b4919667f418b249c497f5ad3e83fdf4437e5 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "AndroidRuntime"
18//#define LOG_NDEBUG 0
19
20#include <android_runtime/AndroidRuntime.h>
21#include <binder/IBinder.h>
22#include <binder/IPCThreadState.h>
23#include <binder/IServiceManager.h>
24#include <utils/Log.h>
25#include <utils/misc.h>
26#include <binder/Parcel.h>
27#include <utils/threads.h>
28#include <cutils/properties.h>
29
30#include <SkGraphics.h>
31#include <SkImageDecoder.h>
32
33#include "jni.h"
34#include "JNIHelp.h"
35#include "JniInvocation.h"
36#include "android_util_Binder.h"
37
38#include <stdio.h>
39#include <signal.h>
40#include <sys/stat.h>
41#include <sys/types.h>
42#include <signal.h>
43#include <dirent.h>
44#include <assert.h>
45
46
47using namespace android;
48
49extern int register_android_os_Binder(JNIEnv* env);
50extern int register_android_os_Process(JNIEnv* env);
51extern int register_android_graphics_Bitmap(JNIEnv*);
52extern int register_android_graphics_BitmapFactory(JNIEnv*);
53extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
54extern int register_android_graphics_Camera(JNIEnv* env);
55extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
56extern int register_android_graphics_Graphics(JNIEnv* env);
57extern int register_android_graphics_Interpolator(JNIEnv* env);
58extern int register_android_graphics_MaskFilter(JNIEnv* env);
59extern int register_android_graphics_Movie(JNIEnv* env);
60extern int register_android_graphics_NinePatch(JNIEnv*);
61extern int register_android_graphics_PathEffect(JNIEnv* env);
62extern int register_android_graphics_Shader(JNIEnv* env);
63extern int register_android_graphics_Typeface(JNIEnv* env);
64extern int register_android_graphics_YuvImage(JNIEnv* env);
65
66extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
67extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
68extern int register_android_opengl_jni_EGL14(JNIEnv* env);
69extern int register_android_opengl_jni_EGLExt(JNIEnv* env);
70extern int register_android_opengl_jni_GLES10(JNIEnv* env);
71extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
72extern int register_android_opengl_jni_GLES11(JNIEnv* env);
73extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
74extern int register_android_opengl_jni_GLES20(JNIEnv* env);
75extern int register_android_opengl_jni_GLES30(JNIEnv* env);
76extern int register_android_opengl_jni_GLES31(JNIEnv* env);
77extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env);
78
79extern int register_android_hardware_Camera(JNIEnv *env);
80extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env);
81extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env);
82extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env);
83extern int register_android_hardware_camera2_DngCreator(JNIEnv *env);
84extern int register_android_hardware_SensorManager(JNIEnv *env);
85extern int register_android_hardware_SerialPort(JNIEnv *env);
86extern int register_android_hardware_SoundTrigger(JNIEnv *env);
87extern int register_android_hardware_UsbDevice(JNIEnv *env);
88extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
89extern int register_android_hardware_UsbRequest(JNIEnv *env);
90extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env);
91
92extern int register_android_media_AudioRecord(JNIEnv *env);
93extern int register_android_media_AudioSystem(JNIEnv *env);
94extern int register_android_media_AudioTrack(JNIEnv *env);
95extern int register_android_media_JetPlayer(JNIEnv *env);
96extern int register_android_media_ToneGenerator(JNIEnv *env);
97
98namespace android {
99
100/*
101 * JNI-based registration functions.  Note these are properly contained in
102 * namespace android.
103 */
104extern int register_android_content_AssetManager(JNIEnv* env);
105extern int register_android_util_EventLog(JNIEnv* env);
106extern int register_android_util_Log(JNIEnv* env);
107extern int register_android_content_StringBlock(JNIEnv* env);
108extern int register_android_content_XmlBlock(JNIEnv* env);
109extern int register_android_emoji_EmojiFactory(JNIEnv* env);
110extern int register_android_graphics_Canvas(JNIEnv* env);
111extern int register_android_graphics_CanvasProperty(JNIEnv* env);
112extern int register_android_graphics_ColorFilter(JNIEnv* env);
113extern int register_android_graphics_DrawFilter(JNIEnv* env);
114extern int register_android_graphics_FontFamily(JNIEnv* env);
115extern int register_android_graphics_LayerRasterizer(JNIEnv*);
116extern int register_android_graphics_Matrix(JNIEnv* env);
117extern int register_android_graphics_Paint(JNIEnv* env);
118extern int register_android_graphics_Path(JNIEnv* env);
119extern int register_android_graphics_PathMeasure(JNIEnv* env);
120extern int register_android_graphics_Picture(JNIEnv*);
121extern int register_android_graphics_PorterDuff(JNIEnv* env);
122extern int register_android_graphics_Rasterizer(JNIEnv* env);
123extern int register_android_graphics_Region(JNIEnv* env);
124extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
125extern int register_android_graphics_Xfermode(JNIEnv* env);
126extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
127extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
128extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
129extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
130extern int register_android_view_RenderNode(JNIEnv* env);
131extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
132extern int register_android_view_GraphicBuffer(JNIEnv* env);
133extern int register_android_view_GLES20Canvas(JNIEnv* env);
134extern int register_android_view_HardwareLayer(JNIEnv* env);
135extern int register_android_view_ThreadedRenderer(JNIEnv* env);
136extern int register_android_view_Surface(JNIEnv* env);
137extern int register_android_view_SurfaceControl(JNIEnv* env);
138extern int register_android_view_SurfaceSession(JNIEnv* env);
139extern int register_android_view_TextureView(JNIEnv* env);
140extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
141extern int register_android_database_CursorWindow(JNIEnv* env);
142extern int register_android_database_SQLiteConnection(JNIEnv* env);
143extern int register_android_database_SQLiteGlobal(JNIEnv* env);
144extern int register_android_database_SQLiteDebug(JNIEnv* env);
145extern int register_android_nio_utils(JNIEnv* env);
146extern int register_android_os_Debug(JNIEnv* env);
147extern int register_android_os_MessageQueue(JNIEnv* env);
148extern int register_android_os_Parcel(JNIEnv* env);
149extern int register_android_os_SELinux(JNIEnv* env);
150extern int register_android_os_SystemProperties(JNIEnv *env);
151extern int register_android_os_SystemClock(JNIEnv* env);
152extern int register_android_os_Trace(JNIEnv* env);
153extern int register_android_os_FileObserver(JNIEnv *env);
154extern int register_android_os_UEventObserver(JNIEnv* env);
155extern int register_android_os_MemoryFile(JNIEnv* env);
156extern int register_android_net_LocalSocketImpl(JNIEnv* env);
157extern int register_android_net_NetworkUtils(JNIEnv* env);
158extern int register_android_net_TrafficStats(JNIEnv* env);
159extern int register_android_text_AndroidCharacter(JNIEnv *env);
160extern int register_android_text_StaticLayout(JNIEnv *env);
161extern int register_android_text_AndroidBidi(JNIEnv *env);
162extern int register_android_opengl_classes(JNIEnv *env);
163extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
164extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
165extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
166extern int register_android_backup_BackupDataInput(JNIEnv *env);
167extern int register_android_backup_BackupDataOutput(JNIEnv *env);
168extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
169extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
170extern int register_android_app_backup_FullBackup(JNIEnv *env);
171extern int register_android_app_ActivityThread(JNIEnv *env);
172extern int register_android_app_NativeActivity(JNIEnv *env);
173extern int register_android_media_RemoteDisplay(JNIEnv *env);
174extern int register_android_view_InputChannel(JNIEnv* env);
175extern int register_android_view_InputDevice(JNIEnv* env);
176extern int register_android_view_InputEventReceiver(JNIEnv* env);
177extern int register_android_view_InputEventSender(JNIEnv* env);
178extern int register_android_view_InputQueue(JNIEnv* env);
179extern int register_android_view_KeyCharacterMap(JNIEnv *env);
180extern int register_android_view_KeyEvent(JNIEnv* env);
181extern int register_android_view_MotionEvent(JNIEnv* env);
182extern int register_android_view_PointerIcon(JNIEnv* env);
183extern int register_android_view_VelocityTracker(JNIEnv* env);
184extern int register_android_content_res_ObbScanner(JNIEnv* env);
185extern int register_android_content_res_Configuration(JNIEnv* env);
186extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
187extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
188extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
189extern int register_com_android_internal_os_Zygote(JNIEnv *env);
190extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
191
192static AndroidRuntime* gCurRuntime = NULL;
193
194/*
195 * Code written in the Java Programming Language calls here from main().
196 */
197static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
198{
199    gCurRuntime->onStarted();
200}
201
202static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
203{
204    gCurRuntime->onZygoteInit();
205}
206
207static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
208        jobject clazz, jboolean exitWithoutCleanup)
209{
210    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
211}
212
213/*
214 * JNI registration.
215 */
216static JNINativeMethod gMethods[] = {
217    { "nativeFinishInit", "()V",
218        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
219    { "nativeZygoteInit", "()V",
220        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
221    { "nativeSetExitWithoutCleanup", "(Z)V",
222        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
223};
224
225int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
226{
227    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
228        gMethods, NELEM(gMethods));
229}
230
231// ----------------------------------------------------------------------
232
233/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
234
235AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
236        mExitWithoutCleanup(false),
237        mArgBlockStart(argBlockStart),
238        mArgBlockLength(argBlockLength)
239{
240    SkGraphics::Init();
241    // There is also a global font cache, but its budget is specified in code
242    // see SkFontHost_android.cpp
243
244    // Pre-allocate enough space to hold a fair number of options.
245    mOptions.setCapacity(20);
246
247    assert(gCurRuntime == NULL);        // one per process
248    gCurRuntime = this;
249}
250
251AndroidRuntime::~AndroidRuntime()
252{
253    SkGraphics::Term();
254}
255
256/*
257 * Register native methods using JNI.
258 */
259/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
260    const char* className, const JNINativeMethod* gMethods, int numMethods)
261{
262    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
263}
264
265void AndroidRuntime::setArgv0(const char* argv0) {
266    memset(mArgBlockStart, 0, mArgBlockLength);
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
341static int hasDir(const char* dir)
342{
343    struct stat s;
344    int res = stat(dir, &s);
345    if (res == 0) {
346        return S_ISDIR(s.st_mode);
347    }
348    return 0;
349}
350
351/*
352 * Read the persistent locale.
353 */
354static void readLocale(char* language, char* region)
355{
356    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
357
358    property_get("persist.sys.language", propLang, "");
359    property_get("persist.sys.country", propRegn, "");
360    if (*propLang == 0 && *propRegn == 0) {
361        /* Set to ro properties, default is en_US */
362        property_get("ro.product.locale.language", propLang, "en");
363        property_get("ro.product.locale.region", propRegn, "US");
364    }
365    strncat(language, propLang, 3);
366    strncat(region, propRegn, 3);
367    //ALOGD("language=%s region=%s\n", language, region);
368}
369
370void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
371{
372    JavaVMOption opt;
373    opt.optionString = optionString;
374    opt.extraInfo = extraInfo;
375    mOptions.add(opt);
376}
377
378/*
379 * Parse a property containing space-separated options that should be
380 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
381 *
382 * This will cut up "extraOptsBuf" as we chop it into individual options.
383 *
384 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
385 *
386 * Adds the strings, if any, to mOptions.
387 */
388void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
389{
390    char* start = extraOptsBuf;
391    char* end = NULL;
392    while (*start != '\0') {
393        while (*start == ' ')                   /* skip leading whitespace */
394            start++;
395        if (*start == '\0')                     /* was trailing ws, bail */
396            break;
397
398        end = start+1;
399        while (*end != ' ' && *end != '\0')     /* find end of token */
400            end++;
401        if (*end == ' ')
402            *end++ = '\0';          /* mark end, advance to indicate more */
403
404        if (quotingArg != NULL) {
405            addOption(quotingArg);
406        }
407        addOption(start);
408        start = end;
409    }
410}
411
412/*
413 * Reads a "property" into "buffer" with a default of "defaultArg". If
414 * the property is non-empty, it is treated as a runtime option such
415 * as "-Xmx32m".
416 *
417 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
418 *
419 * If an argument is found, it is added to mOptions.
420 *
421 * If an option is found, it is added to mOptions and true is
422 * returned. Otherwise false is returned.
423 */
424bool AndroidRuntime::parseRuntimeOption(const char* property,
425                                        char* buffer,
426                                        const char* runtimeArg,
427                                        const char* defaultArg)
428{
429    strcpy(buffer, runtimeArg);
430    size_t runtimeArgLen = strlen(runtimeArg);
431    property_get(property, buffer+runtimeArgLen, defaultArg);
432    if (buffer[runtimeArgLen] == '\0') {
433        return false;
434    }
435    addOption(buffer);
436    return true;
437}
438
439/*
440 * Reads a "property" into "buffer". If the property is non-empty, it
441 * is treated as a dex2oat compiler option that should be
442 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
443 *
444 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
445 *
446 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
447 *
448 * If an option is found, it is added to mOptions and true is
449 * returned. Otherwise false is returned.
450 */
451bool AndroidRuntime::parseCompilerOption(const char* property,
452                                         char* buffer,
453                                         const char* compilerArg,
454                                         const char* quotingArg)
455{
456    strcpy(buffer, compilerArg);
457    size_t compilerArgLen = strlen(compilerArg);
458    property_get(property, buffer+compilerArgLen, "");
459    if (buffer[compilerArgLen] == '\0') {
460        return false;
461    }
462    addOption(quotingArg);
463    addOption(buffer);
464    return true;
465}
466
467/*
468 * Reads a "property" into "buffer". If the property is non-empty, it
469 * is treated as a dex2oat compiler runtime option that should be
470 * passed as a quoted option, e.g. "-Ximage-compiler-option
471 * --runtime-arg -Ximage-compiler-option -Xmx32m".
472 *
473 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
474 *
475 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
476 *
477 * If an option is found, it is added to mOptions and true is
478 * returned. Otherwise false is returned.
479 */
480bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
481                                                char* buffer,
482                                                const char* runtimeArg,
483                                                const char* quotingArg)
484{
485    strcpy(buffer, runtimeArg);
486    size_t runtimeArgLen = strlen(runtimeArg);
487    property_get(property, buffer+runtimeArgLen, "");
488    if (buffer[runtimeArgLen] == '\0') {
489        return false;
490    }
491    addOption(quotingArg);
492    addOption("--runtime-arg");
493    addOption(quotingArg);
494    addOption(buffer);
495    return true;
496}
497
498/*
499 * Start the Dalvik Virtual Machine.
500 *
501 * Various arguments, most determined by system properties, are passed in.
502 * The "mOptions" vector is updated.
503 *
504 * CAUTION: when adding options in here, be careful not to put the
505 * char buffer inside a nested scope.  Adding the buffer to the
506 * options using mOptions.add() does not copy the buffer, so if the
507 * buffer goes out of scope the option may be overwritten.  It's best
508 * to put the buffer at the top of the function so that it is more
509 * unlikely that someone will surround it in a scope at a later time
510 * and thus introduce a bug.
511 *
512 * Returns 0 on success.
513 */
514int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
515{
516    int result = -1;
517    JavaVMInitArgs initArgs;
518    char propBuf[PROPERTY_VALUE_MAX];
519    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
520    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
521    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
522    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
523    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
524    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
525    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
526    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
527    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
528    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
529    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
530    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
531    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
532    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
533    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
534    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
535    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
536    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
537    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
538    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
539    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
540    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
541    char extraOptsBuf[PROPERTY_VALUE_MAX];
542    char voldDecryptBuf[PROPERTY_VALUE_MAX];
543    enum {
544      kEMDefault,
545      kEMIntPortable,
546      kEMIntFast,
547      kEMJitCompiler,
548    } executionMode = kEMDefault;
549    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
550    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
551    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
552    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
553    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
554    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
555                                    PROPERTY_VALUE_MAX];
556    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
557    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
558    char langOption[sizeof("-Duser.language=") + 3];
559    char regionOption[sizeof("-Duser.region=") + 3];
560    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
561    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
562    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
563    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
564
565    bool checkJni = false;
566    property_get("dalvik.vm.checkjni", propBuf, "");
567    if (strcmp(propBuf, "true") == 0) {
568        checkJni = true;
569    } else if (strcmp(propBuf, "false") != 0) {
570        /* property is neither true nor false; fall back on kernel parameter */
571        property_get("ro.kernel.android.checkjni", propBuf, "");
572        if (propBuf[0] == '1') {
573            checkJni = true;
574        }
575    }
576    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
577    if (checkJni) {
578        /* extended JNI checking */
579        addOption("-Xcheck:jni");
580
581        /* set a cap on JNI global references */
582        addOption("-Xjnigreflimit:2000");
583
584        /* with -Xcheck:jni, this provides a JNI function call trace */
585        //addOption("-verbose:jni");
586    }
587
588    property_get("dalvik.vm.execution-mode", propBuf, "");
589    if (strcmp(propBuf, "int:portable") == 0) {
590        executionMode = kEMIntPortable;
591    } else if (strcmp(propBuf, "int:fast") == 0) {
592        executionMode = kEMIntFast;
593    } else if (strcmp(propBuf, "int:jit") == 0) {
594        executionMode = kEMJitCompiler;
595    }
596
597    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
598
599    property_get("dalvik.vm.check-dex-sum", propBuf, "");
600    if (strcmp(propBuf, "true") == 0) {
601        /* perform additional DEX checksum tests */
602        addOption("-Xcheckdexsum");
603    }
604
605    property_get("log.redirect-stdio", propBuf, "");
606    if (strcmp(propBuf, "true") == 0) {
607        /* convert stdout/stderr to log messages */
608        addOption("-Xlog-stdio");
609    }
610
611    strcpy(enableAssertBuf, "-ea:");
612    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
613    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
614        /* accept "all" to mean "all classes and packages" */
615        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
616            enableAssertBuf[3] = '\0'; // truncate to "-ea"
617        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
618        addOption(enableAssertBuf);
619    } else {
620        ALOGV("Assertions disabled\n");
621    }
622
623    strcpy(jniOptsBuf, "-Xjniopts:");
624    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
625        ALOGI("JNI options: '%s'\n", jniOptsBuf);
626    }
627
628    /* route exit() to our handler */
629    addOption("exit", (void*) runtime_exit);
630
631    /* route fprintf() to our handler */
632    addOption("vfprintf", (void*) runtime_vfprintf);
633
634    /* register the framework-specific "is sensitive thread" hook */
635    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
636
637    /* enable verbose; standard options are { jni, gc, class } */
638    //addOption("-verbose:jni");
639    addOption("-verbose:gc");
640    //addOption("-verbose:class");
641
642    /*
643     * The default starting and maximum size of the heap.  Larger
644     * values should be specified in a product property override.
645     */
646    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
647    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
648
649    // Increase the main thread's interpreter stack size for bug 6315322.
650    addOption("-XX:mainThreadStackSize=24K");
651
652    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
653    parseRuntimeOption("dalvik.vm.jit.codecachesize",
654                       jitcodecachesizeOptsBuf,
655                       "-Xjitcodecachesize:");
656
657    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
658    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
659    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
660    parseRuntimeOption("dalvik.vm.heaptargetutilization",
661                       heaptargetutilizationOptsBuf,
662                       "-XX:HeapTargetUtilization=");
663
664    property_get("ro.config.low_ram", propBuf, "");
665    if (strcmp(propBuf, "true") == 0) {
666      addOption("-XX:LowMemoryMode");
667    }
668
669    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
670    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
671
672    /*
673     * Enable or disable dexopt features, such as bytecode verification and
674     * calculation of register maps for precise GC.
675     */
676    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
677    if (dexoptFlagsBuf[0] != '\0') {
678        const char* opc;
679        const char* val;
680
681        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
682        if (opc != NULL) {
683            switch (*(opc+2)) {
684            case 'n':   val = "-Xverify:none";      break;
685            case 'r':   val = "-Xverify:remote";    break;
686            case 'a':   val = "-Xverify:all";       break;
687            default:    val = NULL;                 break;
688            }
689
690            if (val != NULL) {
691                addOption(val);
692            }
693        }
694
695        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
696        if (opc != NULL) {
697            switch (*(opc+2)) {
698            case 'n':   val = "-Xdexopt:none";      break;
699            case 'v':   val = "-Xdexopt:verified";  break;
700            case 'a':   val = "-Xdexopt:all";       break;
701            case 'f':   val = "-Xdexopt:full";      break;
702            default:    val = NULL;                 break;
703            }
704
705            if (val != NULL) {
706                addOption(val);
707            }
708        }
709
710        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
711        if (opc != NULL) {
712            addOption("-Xgenregmap");
713
714            /* turn on precise GC while we're at it */
715            addOption("-Xgc:precise");
716        }
717    }
718
719    /* enable debugging; set suspend=y to pause during VM init */
720    /* use android ADB transport */
721    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
722
723    parseRuntimeOption("dalvik.vm.lockprof.threshold",
724                       lockProfThresholdBuf,
725                       "-Xlockprofthreshold:");
726
727    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
728    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
729
730    /* Force interpreter-only mode for selected methods */
731    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
732
733    if (executionMode == kEMIntPortable) {
734        addOption("-Xint:portable");
735    } else if (executionMode == kEMIntFast) {
736        addOption("-Xint:fast");
737    } else if (executionMode == kEMJitCompiler) {
738        addOption("-Xint:jit");
739    }
740
741    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
742    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
743    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
744
745    if (libart) {
746        // If we booting without the real /data, don't spend time compiling.
747        property_get("vold.decrypt", voldDecryptBuf, "");
748        bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
749                                 (strcmp(voldDecryptBuf, "1") == 0));
750
751        // Extra options for boot.art/boot.oat image generation.
752        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
753                                   "-Xms", "-Ximage-compiler-option");
754        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
755                                   "-Xmx", "-Ximage-compiler-option");
756        if (skip_compilation) {
757            addOption("-Ximage-compiler-option");
758            addOption("--compiler-filter=verify-none");
759        } else {
760            parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
761                                "--compiler-filter=", "-Ximage-compiler-option");
762        }
763        addOption("-Ximage-compiler-option");
764        addOption("--image-classes-zip=/system/framework/framework.jar");
765        addOption("-Ximage-compiler-option");
766        addOption("--image-classes=preloaded-classes");
767        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
768        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
769
770        // Extra options for DexClassLoader.
771        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
772                                   "-Xms", "-Xcompiler-option");
773        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
774                                   "-Xmx", "-Xcompiler-option");
775        if (skip_compilation) {
776            addOption("-Xcompiler-option");
777            addOption("--compiler-filter=verify-none");
778        } else {
779            parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
780                                "--compiler-filter=", "-Xcompiler-option");
781        }
782        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
783        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
784
785    }
786
787    /* extra options; parse this late so it overrides others */
788    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
789    parseExtraOpts(extraOptsBuf, NULL);
790
791    /* Set the properties for locale */
792    {
793        strcpy(langOption, "-Duser.language=");
794        strcpy(regionOption, "-Duser.region=");
795        readLocale(langOption, regionOption);
796        addOption(langOption);
797        addOption(regionOption);
798    }
799
800    /*
801     * Set profiler options
802     */
803    if (libart) {
804        // Whether or not the profiler should be enabled.
805        property_get("dalvik.vm.profiler", propBuf, "0");
806        if (propBuf[0] == '1') {
807            addOption("-Xenable-profiler");
808        }
809
810        // Whether the profile should start upon app startup or be delayed by some random offset
811        // (in seconds) that is bound between 0 and a fixed value.
812        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
813        if (propBuf[0] == '1') {
814            addOption("-Xprofile-start-immediately");
815        }
816
817        // Number of seconds during profile runs.
818        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
819
820        // Length of each profile run (seconds).
821        parseRuntimeOption("dalvik.vm.profile.duration-secs",
822                           profileDuration,
823                           "-Xprofile-duration:");
824
825        // Polling interval during profile run (microseconds).
826        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
827
828        // Coefficient for period backoff.  The the period is multiplied
829        // by this value after each profile run.
830        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
831
832        // Top K% of samples that are considered relevant when
833        // deciding if the app should be recompiled.
834        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
835                           profileTopKThreshold,
836                           "-Xprofile-top-k-threshold:");
837
838        // The threshold after which a change in the structure of the
839        // top K% profiled samples becomes significant and triggers
840        // recompilation. A change in profile is considered
841        // significant if X% (top-k-change-threshold) of the top K%
842        // (top-k-threshold property) samples has changed.
843        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
844                           profileTopKChangeThreshold,
845                           "-Xprofile-top-k-change-threshold:");
846
847        // Type of profile data.
848        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
849
850        // Depth of bounded stack data
851        parseRuntimeOption("dalvik.vm.profile.stack-depth",
852                           profileMaxStackDepth,
853                           "-Xprofile-max-stack-depth:");
854
855        // Native bridge library. "0" means that native bridge is disabled.
856        property_get("ro.dalvik.vm.native.bridge", propBuf, "");
857        if (propBuf[0] == '\0') {
858            ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
859        } else if (strcmp(propBuf, "0") != 0) {
860            snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
861                     "-XX:NativeBridge=%s", propBuf);
862            addOption(nativeBridgeLibrary);
863        }
864    }
865
866    initArgs.version = JNI_VERSION_1_4;
867    initArgs.options = mOptions.editArray();
868    initArgs.nOptions = mOptions.size();
869    initArgs.ignoreUnrecognized = JNI_FALSE;
870
871    /*
872     * Initialize the VM.
873     *
874     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
875     * If this call succeeds, the VM is ready, and we can start issuing
876     * JNI calls.
877     */
878    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
879        ALOGE("JNI_CreateJavaVM failed\n");
880        goto bail;
881    }
882
883    result = 0;
884
885bail:
886    return result;
887}
888
889char* AndroidRuntime::toSlashClassName(const char* className)
890{
891    char* result = strdup(className);
892    for (char* cp = result; *cp != '\0'; cp++) {
893        if (*cp == '.') {
894            *cp = '/';
895        }
896    }
897    return result;
898}
899
900/** Create a Java string from an ASCII or Latin-1 string */
901jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
902    if (!bytes) return NULL;
903    int length = strlen(bytes);
904    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
905    if (!buffer) return NULL;
906    jchar* chp = buffer;
907    for (int i = 0; i < length; i++) {
908        *chp++ = *bytes++;
909    }
910    return env->NewString(buffer, length);
911}
912
913
914/*
915 * Start the Android runtime.  This involves starting the virtual machine
916 * and calling the "static void main(String[] args)" method in the class
917 * named by "className".
918 *
919 * Passes the main function two arguments, the class name and the specified
920 * options string.
921 */
922void AndroidRuntime::start(const char* className, const Vector<String8>& options)
923{
924    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
925            className != NULL ? className : "(unknown)");
926
927    static const String8 startSystemServer("start-system-server");
928
929    /*
930     * 'startSystemServer == true' means runtime is obsolete and not run from
931     * init.rc anymore, so we print out the boot start event here.
932     */
933    for (size_t i = 0; i < options.size(); ++i) {
934        if (options[i] == startSystemServer) {
935           /* track our progress through the boot sequence */
936           const int LOG_BOOT_PROGRESS_START = 3000;
937           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
938        }
939    }
940
941    const char* rootDir = getenv("ANDROID_ROOT");
942    if (rootDir == NULL) {
943        rootDir = "/system";
944        if (!hasDir("/system")) {
945            LOG_FATAL("No root directory specified, and /android does not exist.");
946            return;
947        }
948        setenv("ANDROID_ROOT", rootDir, 1);
949    }
950
951    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
952    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
953
954    /* start the virtual machine */
955    JniInvocation jni_invocation;
956    jni_invocation.Init(NULL);
957    JNIEnv* env;
958    if (startVm(&mJavaVM, &env) != 0) {
959        return;
960    }
961    onVmCreated(env);
962
963    /*
964     * Register android functions.
965     */
966    if (startReg(env) < 0) {
967        ALOGE("Unable to register all android natives\n");
968        return;
969    }
970
971    /*
972     * We want to call main() with a String array with arguments in it.
973     * At present we have two arguments, the class name and an option string.
974     * Create an array to hold them.
975     */
976    jclass stringClass;
977    jobjectArray strArray;
978    jstring classNameStr;
979
980    stringClass = env->FindClass("java/lang/String");
981    assert(stringClass != NULL);
982    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
983    assert(strArray != NULL);
984    classNameStr = env->NewStringUTF(className);
985    assert(classNameStr != NULL);
986    env->SetObjectArrayElement(strArray, 0, classNameStr);
987
988    for (size_t i = 0; i < options.size(); ++i) {
989        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
990        assert(optionsStr != NULL);
991        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
992    }
993
994    /*
995     * Start VM.  This thread becomes the main thread of the VM, and will
996     * not return until the VM exits.
997     */
998    char* slashClassName = toSlashClassName(className);
999    jclass startClass = env->FindClass(slashClassName);
1000    if (startClass == NULL) {
1001        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1002        /* keep going */
1003    } else {
1004        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1005            "([Ljava/lang/String;)V");
1006        if (startMeth == NULL) {
1007            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1008            /* keep going */
1009        } else {
1010            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1011
1012#if 0
1013            if (env->ExceptionCheck())
1014                threadExitUncaughtException(env);
1015#endif
1016        }
1017    }
1018    free(slashClassName);
1019
1020    ALOGD("Shutting down VM\n");
1021    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1022        ALOGW("Warning: unable to detach main thread\n");
1023    if (mJavaVM->DestroyJavaVM() != 0)
1024        ALOGW("Warning: VM did not shut down cleanly\n");
1025}
1026
1027void AndroidRuntime::exit(int code)
1028{
1029    if (mExitWithoutCleanup) {
1030        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1031        ::_exit(code);
1032    } else {
1033        ALOGI("VM exiting with result code %d.", code);
1034        onExit(code);
1035        ::exit(code);
1036    }
1037}
1038
1039void AndroidRuntime::onVmCreated(JNIEnv* env)
1040{
1041    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1042}
1043
1044/*
1045 * Get the JNIEnv pointer for this thread.
1046 *
1047 * Returns NULL if the slot wasn't allocated or populated.
1048 */
1049/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1050{
1051    JNIEnv* env;
1052    JavaVM* vm = AndroidRuntime::getJavaVM();
1053    assert(vm != NULL);
1054
1055    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1056        return NULL;
1057    return env;
1058}
1059
1060/*
1061 * Makes the current thread visible to the VM.
1062 *
1063 * The JNIEnv pointer returned is only valid for the current thread, and
1064 * thus must be tucked into thread-local storage.
1065 */
1066static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1067{
1068    JavaVMAttachArgs args;
1069    JavaVM* vm;
1070    jint result;
1071
1072    vm = AndroidRuntime::getJavaVM();
1073    assert(vm != NULL);
1074
1075    args.version = JNI_VERSION_1_4;
1076    args.name = (char*) threadName;
1077    args.group = NULL;
1078
1079    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1080    if (result != JNI_OK)
1081        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1082
1083    return result;
1084}
1085
1086/*
1087 * Detach the current thread from the set visible to the VM.
1088 */
1089static int javaDetachThread(void)
1090{
1091    JavaVM* vm;
1092    jint result;
1093
1094    vm = AndroidRuntime::getJavaVM();
1095    assert(vm != NULL);
1096
1097    result = vm->DetachCurrentThread();
1098    if (result != JNI_OK)
1099        ALOGE("ERROR: thread detach failed\n");
1100    return result;
1101}
1102
1103/*
1104 * When starting a native thread that will be visible from the VM, we
1105 * bounce through this to get the right attach/detach action.
1106 * Note that this function calls free(args)
1107 */
1108/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1109    void* start = ((void**)args)[0];
1110    void* userData = ((void **)args)[1];
1111    char* name = (char*) ((void **)args)[2];        // we own this storage
1112    free(args);
1113    JNIEnv* env;
1114    int result;
1115
1116    /* hook us into the VM */
1117    if (javaAttachThread(name, &env) != JNI_OK)
1118        return -1;
1119
1120    /* start the thread running */
1121    result = (*(android_thread_func_t)start)(userData);
1122
1123    /* unhook us */
1124    javaDetachThread();
1125    free(name);
1126
1127    return result;
1128}
1129
1130/*
1131 * This is invoked from androidCreateThreadEtc() via the callback
1132 * set with androidSetCreateThreadFunc().
1133 *
1134 * We need to create the new thread in such a way that it gets hooked
1135 * into the VM before it really starts executing.
1136 */
1137/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1138                                android_thread_func_t entryFunction,
1139                                void* userData,
1140                                const char* threadName,
1141                                int32_t threadPriority,
1142                                size_t threadStackSize,
1143                                android_thread_id_t* threadId)
1144{
1145    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1146    int result;
1147
1148    if (!threadName)
1149        threadName = "unnamed thread";
1150
1151    args[0] = (void*) entryFunction;
1152    args[1] = userData;
1153    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1154
1155    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1156        threadName, threadPriority, threadStackSize, threadId);
1157    return result;
1158}
1159
1160/*
1161 * Create a thread that is visible from the VM.
1162 *
1163 * This is called from elsewhere in the library.
1164 */
1165/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1166    void (*start)(void *), void* arg)
1167{
1168    android_thread_id_t threadId = 0;
1169    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1170        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1171    return threadId;
1172}
1173
1174#if 0
1175static void quickTest(void* arg)
1176{
1177    const char* str = (const char*) arg;
1178
1179    printf("In quickTest: %s\n", str);
1180}
1181#endif
1182
1183#ifdef NDEBUG
1184    #define REG_JNI(name)      { name }
1185    struct RegJNIRec {
1186        int (*mProc)(JNIEnv*);
1187    };
1188#else
1189    #define REG_JNI(name)      { name, #name }
1190    struct RegJNIRec {
1191        int (*mProc)(JNIEnv*);
1192        const char* mName;
1193    };
1194#endif
1195
1196typedef void (*RegJAMProc)();
1197
1198static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1199{
1200    for (size_t i = 0; i < count; i++) {
1201        if (array[i].mProc(env) < 0) {
1202#ifndef NDEBUG
1203            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1204#endif
1205            return -1;
1206        }
1207    }
1208    return 0;
1209}
1210
1211static const RegJNIRec gRegJNI[] = {
1212    REG_JNI(register_com_android_internal_os_RuntimeInit),
1213    REG_JNI(register_android_os_SystemClock),
1214    REG_JNI(register_android_util_EventLog),
1215    REG_JNI(register_android_util_Log),
1216    REG_JNI(register_android_content_AssetManager),
1217    REG_JNI(register_android_content_StringBlock),
1218    REG_JNI(register_android_content_XmlBlock),
1219    REG_JNI(register_android_emoji_EmojiFactory),
1220    REG_JNI(register_android_text_AndroidCharacter),
1221    REG_JNI(register_android_text_StaticLayout),
1222    REG_JNI(register_android_text_AndroidBidi),
1223    REG_JNI(register_android_view_InputDevice),
1224    REG_JNI(register_android_view_KeyCharacterMap),
1225    REG_JNI(register_android_os_Process),
1226    REG_JNI(register_android_os_SystemProperties),
1227    REG_JNI(register_android_os_Binder),
1228    REG_JNI(register_android_os_Parcel),
1229    REG_JNI(register_android_nio_utils),
1230    REG_JNI(register_android_graphics_Graphics),
1231    REG_JNI(register_android_view_DisplayEventReceiver),
1232    REG_JNI(register_android_view_RenderNode),
1233    REG_JNI(register_android_view_RenderNodeAnimator),
1234    REG_JNI(register_android_view_GraphicBuffer),
1235    REG_JNI(register_android_view_GLES20Canvas),
1236    REG_JNI(register_android_view_HardwareLayer),
1237    REG_JNI(register_android_view_ThreadedRenderer),
1238    REG_JNI(register_android_view_Surface),
1239    REG_JNI(register_android_view_SurfaceControl),
1240    REG_JNI(register_android_view_SurfaceSession),
1241    REG_JNI(register_android_view_TextureView),
1242    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1243    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1244    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1245    REG_JNI(register_android_opengl_jni_EGL14),
1246    REG_JNI(register_android_opengl_jni_EGLExt),
1247    REG_JNI(register_android_opengl_jni_GLES10),
1248    REG_JNI(register_android_opengl_jni_GLES10Ext),
1249    REG_JNI(register_android_opengl_jni_GLES11),
1250    REG_JNI(register_android_opengl_jni_GLES11Ext),
1251    REG_JNI(register_android_opengl_jni_GLES20),
1252    REG_JNI(register_android_opengl_jni_GLES30),
1253    REG_JNI(register_android_opengl_jni_GLES31),
1254    REG_JNI(register_android_opengl_jni_GLES31Ext),
1255
1256    REG_JNI(register_android_graphics_Bitmap),
1257    REG_JNI(register_android_graphics_BitmapFactory),
1258    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1259    REG_JNI(register_android_graphics_Camera),
1260    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1261    REG_JNI(register_android_graphics_Canvas),
1262    REG_JNI(register_android_graphics_CanvasProperty),
1263    REG_JNI(register_android_graphics_ColorFilter),
1264    REG_JNI(register_android_graphics_DrawFilter),
1265    REG_JNI(register_android_graphics_FontFamily),
1266    REG_JNI(register_android_graphics_Interpolator),
1267    REG_JNI(register_android_graphics_LayerRasterizer),
1268    REG_JNI(register_android_graphics_MaskFilter),
1269    REG_JNI(register_android_graphics_Matrix),
1270    REG_JNI(register_android_graphics_Movie),
1271    REG_JNI(register_android_graphics_NinePatch),
1272    REG_JNI(register_android_graphics_Paint),
1273    REG_JNI(register_android_graphics_Path),
1274    REG_JNI(register_android_graphics_PathMeasure),
1275    REG_JNI(register_android_graphics_PathEffect),
1276    REG_JNI(register_android_graphics_Picture),
1277    REG_JNI(register_android_graphics_PorterDuff),
1278    REG_JNI(register_android_graphics_Rasterizer),
1279    REG_JNI(register_android_graphics_Region),
1280    REG_JNI(register_android_graphics_Shader),
1281    REG_JNI(register_android_graphics_SurfaceTexture),
1282    REG_JNI(register_android_graphics_Typeface),
1283    REG_JNI(register_android_graphics_Xfermode),
1284    REG_JNI(register_android_graphics_YuvImage),
1285    REG_JNI(register_android_graphics_pdf_PdfDocument),
1286    REG_JNI(register_android_graphics_pdf_PdfEditor),
1287    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1288
1289    REG_JNI(register_android_database_CursorWindow),
1290    REG_JNI(register_android_database_SQLiteConnection),
1291    REG_JNI(register_android_database_SQLiteGlobal),
1292    REG_JNI(register_android_database_SQLiteDebug),
1293    REG_JNI(register_android_os_Debug),
1294    REG_JNI(register_android_os_FileObserver),
1295    REG_JNI(register_android_os_MessageQueue),
1296    REG_JNI(register_android_os_SELinux),
1297    REG_JNI(register_android_os_Trace),
1298    REG_JNI(register_android_os_UEventObserver),
1299    REG_JNI(register_android_net_LocalSocketImpl),
1300    REG_JNI(register_android_net_NetworkUtils),
1301    REG_JNI(register_android_net_TrafficStats),
1302    REG_JNI(register_android_os_MemoryFile),
1303    REG_JNI(register_com_android_internal_os_ZygoteInit),
1304    REG_JNI(register_com_android_internal_os_Zygote),
1305    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1306    REG_JNI(register_android_hardware_Camera),
1307    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1308    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1309    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1310    REG_JNI(register_android_hardware_camera2_DngCreator),
1311    REG_JNI(register_android_hardware_SensorManager),
1312    REG_JNI(register_android_hardware_SerialPort),
1313    REG_JNI(register_android_hardware_SoundTrigger),
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_hardware_location_ActivityRecognitionHardware),
1318    REG_JNI(register_android_media_AudioRecord),
1319    REG_JNI(register_android_media_AudioSystem),
1320    REG_JNI(register_android_media_AudioTrack),
1321    REG_JNI(register_android_media_JetPlayer),
1322    REG_JNI(register_android_media_RemoteDisplay),
1323    REG_JNI(register_android_media_ToneGenerator),
1324
1325    REG_JNI(register_android_opengl_classes),
1326    REG_JNI(register_android_server_NetworkManagementSocketTagger),
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