AndroidRuntime.cpp revision 3f1e8b90b05e0fb39240f4c8924d94d8c11f50d1 
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/StringArray.h>
28#include <utils/threads.h>
29#include <cutils/properties.h>
30
31#include <SkGraphics.h>
32#include <SkImageDecoder.h>
33#include <SkImageRef_GlobalPool.h>
34
35#include "jni.h"
36#include "JNIHelp.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 void register_BindTest();
51
52extern int register_android_os_Binder(JNIEnv* env);
53extern int register_android_os_Process(JNIEnv* env);
54extern int register_android_graphics_Bitmap(JNIEnv*);
55extern int register_android_graphics_BitmapFactory(JNIEnv*);
56extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
57extern int register_android_graphics_Camera(JNIEnv* env);
58extern int register_android_graphics_Graphics(JNIEnv* env);
59extern int register_android_graphics_Interpolator(JNIEnv* env);
60extern int register_android_graphics_LayerRasterizer(JNIEnv*);
61extern int register_android_graphics_MaskFilter(JNIEnv* env);
62extern int register_android_graphics_Movie(JNIEnv* env);
63extern int register_android_graphics_NinePatch(JNIEnv*);
64extern int register_android_graphics_PathEffect(JNIEnv* env);
65extern int register_android_graphics_Shader(JNIEnv* env);
66extern int register_android_graphics_Typeface(JNIEnv* env);
67extern int register_android_graphics_YuvImage(JNIEnv* env);
68
69extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
70extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
71extern int register_android_opengl_jni_EGL14(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);
77
78extern int register_android_hardware_Camera(JNIEnv *env);
79extern int register_android_hardware_SensorManager(JNIEnv *env);
80extern int register_android_hardware_SerialPort(JNIEnv *env);
81extern int register_android_hardware_UsbDevice(JNIEnv *env);
82extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
83extern int register_android_hardware_UsbRequest(JNIEnv *env);
84
85extern int register_android_media_AudioRecord(JNIEnv *env);
86extern int register_android_media_AudioSystem(JNIEnv *env);
87extern int register_android_media_AudioTrack(JNIEnv *env);
88extern int register_android_media_JetPlayer(JNIEnv *env);
89extern int register_android_media_ToneGenerator(JNIEnv *env);
90
91extern int register_android_util_FloatMath(JNIEnv* env);
92
93namespace android {
94
95/*
96 * JNI-based registration functions.  Note these are properly contained in
97 * namespace android.
98 */
99extern int register_android_content_AssetManager(JNIEnv* env);
100extern int register_android_util_EventLog(JNIEnv* env);
101extern int register_android_util_Log(JNIEnv* env);
102extern int register_android_content_StringBlock(JNIEnv* env);
103extern int register_android_content_XmlBlock(JNIEnv* env);
104extern int register_android_emoji_EmojiFactory(JNIEnv* env);
105extern int register_android_graphics_Canvas(JNIEnv* env);
106extern int register_android_graphics_ColorFilter(JNIEnv* env);
107extern int register_android_graphics_DrawFilter(JNIEnv* env);
108extern int register_android_graphics_Matrix(JNIEnv* env);
109extern int register_android_graphics_Paint(JNIEnv* env);
110extern int register_android_graphics_Path(JNIEnv* env);
111extern int register_android_graphics_PathMeasure(JNIEnv* env);
112extern int register_android_graphics_Picture(JNIEnv*);
113extern int register_android_graphics_PorterDuff(JNIEnv* env);
114extern int register_android_graphics_Rasterizer(JNIEnv* env);
115extern int register_android_graphics_Region(JNIEnv* env);
116extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
117extern int register_android_graphics_Xfermode(JNIEnv* env);
118extern int register_android_graphics_PixelFormat(JNIEnv* env);
119extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
120extern int register_android_view_GLES20DisplayList(JNIEnv* env);
121extern int register_android_view_GLES20Canvas(JNIEnv* env);
122extern int register_android_view_HardwareRenderer(JNIEnv* env);
123extern int register_android_view_Surface(JNIEnv* env);
124extern int register_android_view_TextureView(JNIEnv* env);
125extern int register_android_database_CursorWindow(JNIEnv* env);
126extern int register_android_database_SQLiteConnection(JNIEnv* env);
127extern int register_android_database_SQLiteGlobal(JNIEnv* env);
128extern int register_android_database_SQLiteDebug(JNIEnv* env);
129extern int register_android_debug_JNITest(JNIEnv* env);
130extern int register_android_nio_utils(JNIEnv* env);
131extern int register_android_text_format_Time(JNIEnv* env);
132extern int register_android_os_Debug(JNIEnv* env);
133extern int register_android_os_MessageQueue(JNIEnv* env);
134extern int register_android_os_Parcel(JNIEnv* env);
135extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
136extern int register_android_os_SELinux(JNIEnv* env);
137extern int register_android_os_SystemProperties(JNIEnv *env);
138extern int register_android_os_SystemClock(JNIEnv* env);
139extern int register_android_os_Trace(JNIEnv* env);
140extern int register_android_os_FileObserver(JNIEnv *env);
141extern int register_android_os_FileUtils(JNIEnv *env);
142extern int register_android_os_UEventObserver(JNIEnv* env);
143extern int register_android_os_MemoryFile(JNIEnv* env);
144extern int register_android_net_LocalSocketImpl(JNIEnv* env);
145extern int register_android_net_NetworkUtils(JNIEnv* env);
146extern int register_android_net_TrafficStats(JNIEnv* env);
147extern int register_android_net_wifi_WifiManager(JNIEnv* env);
148extern int register_android_text_AndroidCharacter(JNIEnv *env);
149extern int register_android_text_AndroidBidi(JNIEnv *env);
150extern int register_android_opengl_classes(JNIEnv *env);
151extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
152extern int register_android_server_Watchdog(JNIEnv* env);
153extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
154extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
155extern int register_android_backup_BackupDataInput(JNIEnv *env);
156extern int register_android_backup_BackupDataOutput(JNIEnv *env);
157extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
158extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
159extern int register_android_app_backup_FullBackup(JNIEnv *env);
160extern int register_android_app_ActivityThread(JNIEnv *env);
161extern int register_android_app_NativeActivity(JNIEnv *env);
162extern int register_android_view_InputChannel(JNIEnv* env);
163extern int register_android_view_InputDevice(JNIEnv* env);
164extern int register_android_view_InputEventReceiver(JNIEnv* env);
165extern int register_android_view_KeyCharacterMap(JNIEnv *env);
166extern int register_android_view_KeyEvent(JNIEnv* env);
167extern int register_android_view_MotionEvent(JNIEnv* env);
168extern int register_android_view_PointerIcon(JNIEnv* env);
169extern int register_android_view_VelocityTracker(JNIEnv* env);
170extern int register_android_content_res_ObbScanner(JNIEnv* env);
171extern int register_android_content_res_Configuration(JNIEnv* env);
172extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
173extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
174
175static AndroidRuntime* gCurRuntime = NULL;
176
177static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
178{
179    if (jniThrowException(env, exc, msg) != 0)
180        assert(false);
181}
182
183/*
184 * Code written in the Java Programming Language calls here from main().
185 */
186static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
187{
188    gCurRuntime->onStarted();
189}
190
191static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
192{
193    gCurRuntime->onZygoteInit();
194}
195
196static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
197        jobject clazz, jboolean exitWithoutCleanup)
198{
199    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
200}
201
202/*
203 * JNI registration.
204 */
205static JNINativeMethod gMethods[] = {
206    { "nativeFinishInit", "()V",
207        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
208    { "nativeZygoteInit", "()V",
209        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
210    { "nativeSetExitWithoutCleanup", "(Z)V",
211        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
212};
213
214int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
215{
216    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
217        gMethods, NELEM(gMethods));
218}
219
220// ----------------------------------------------------------------------
221
222/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
223
224
225AndroidRuntime::AndroidRuntime() :
226        mExitWithoutCleanup(false)
227{
228    SkGraphics::Init();
229    // this sets our preference for 16bit images during decode
230    // in case the src is opaque and 24bit
231    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
232    // This cache is shared between browser native images, and java "purgeable"
233    // bitmaps. This globalpool is for images that do not either use the java
234    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
235    // java call site.
236    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
237    // There is also a global font cache, but its budget is specified in code
238    // see SkFontHost_android.cpp
239
240    // Pre-allocate enough space to hold a fair number of options.
241    mOptions.setCapacity(20);
242
243    assert(gCurRuntime == NULL);        // one per process
244    gCurRuntime = this;
245}
246
247AndroidRuntime::~AndroidRuntime()
248{
249    SkGraphics::Term();
250}
251
252/*
253 * Register native methods using JNI.
254 */
255/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
256    const char* className, const JNINativeMethod* gMethods, int numMethods)
257{
258    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
259}
260
261status_t AndroidRuntime::callMain(const char* className,
262    jclass clazz, int argc, const char* const argv[])
263{
264    JNIEnv* env;
265    jmethodID methodId;
266
267    ALOGD("Calling main entry %s", className);
268
269    env = getJNIEnv();
270    if (clazz == NULL || env == NULL) {
271        return UNKNOWN_ERROR;
272    }
273
274    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
275    if (methodId == NULL) {
276        ALOGE("ERROR: could not find method %s.main(String[])\n", className);
277        return UNKNOWN_ERROR;
278    }
279
280    /*
281     * We want to call main() with a String array with our arguments in it.
282     * Create an array and populate it.
283     */
284    jclass stringClass;
285    jobjectArray strArray;
286
287    stringClass = env->FindClass("java/lang/String");
288    strArray = env->NewObjectArray(argc, stringClass, NULL);
289
290    for (int i = 0; i < argc; i++) {
291        jstring argStr = env->NewStringUTF(argv[i]);
292        env->SetObjectArrayElement(strArray, i, argStr);
293    }
294
295    env->CallStaticVoidMethod(clazz, methodId, strArray);
296    return NO_ERROR;
297}
298
299/*
300 * The VM calls this through the "exit" hook.
301 */
302static void runtime_exit(int code)
303{
304    gCurRuntime->exit(code);
305}
306
307/*
308 * The VM calls this through the "vfprintf" hook.
309 *
310 * We ignore "fp" and just write the results to the log file.
311 */
312static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
313{
314    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
315}
316
317/**
318 * The VM calls this when mutex contention debugging is enabled to
319 * determine whether or not the blocked thread was a "sensitive thread"
320 * for user responsiveness/smoothess.
321 *
322 * Our policy for this is whether or not we're tracing any StrictMode
323 * events on this thread (which we might've inherited via Binder calls
324 * into us)
325 */
326static bool runtime_isSensitiveThread() {
327    IPCThreadState* state = IPCThreadState::selfOrNull();
328    return state && state->getStrictModePolicy() != 0;
329}
330
331
332/**
333 * Add VM arguments to the to-be-executed VM
334 * Stops at first non '-' argument (also stops at an argument of '--')
335 * Returns the number of args consumed
336 */
337int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
338{
339    int i;
340
341    for (i = 0; i<argc; i++) {
342        if (argv[i][0] != '-') {
343            return i;
344        }
345        if (argv[i][1] == '-' && argv[i][2] == 0) {
346            return i+1;
347        }
348
349        JavaVMOption opt;
350        memset(&opt, 0, sizeof(opt));
351        opt.optionString = (char*)argv[i];
352        mOptions.add(opt);
353    }
354    return i;
355}
356
357static int hasDir(const char* dir)
358{
359    struct stat s;
360    int res = stat(dir, &s);
361    if (res == 0) {
362        return S_ISDIR(s.st_mode);
363    }
364    return 0;
365}
366
367/*
368 * We just want failed write() calls to just return with an error.
369 */
370static void blockSigpipe()
371{
372    sigset_t mask;
373
374    sigemptyset(&mask);
375    sigaddset(&mask, SIGPIPE);
376    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
377        ALOGW("WARNING: SIGPIPE not blocked\n");
378}
379
380/*
381 * Read the persistent locale.
382 */
383static void readLocale(char* language, char* region)
384{
385    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
386
387    property_get("persist.sys.language", propLang, "");
388    property_get("persist.sys.country", propRegn, "");
389    if (*propLang == 0 && *propRegn == 0) {
390        /* Set to ro properties, default is en_US */
391        property_get("ro.product.locale.language", propLang, "en");
392        property_get("ro.product.locale.region", propRegn, "US");
393    }
394    strncat(language, propLang, 2);
395    strncat(region, propRegn, 2);
396    //ALOGD("language=%s region=%s\n", language, region);
397}
398
399/*
400 * Parse a property containing space-separated options that should be
401 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
402 *
403 * This will cut up "extraOptsBuf" as we chop it into individual options.
404 *
405 * Adds the strings, if any, to mOptions.
406 */
407void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
408{
409    JavaVMOption opt;
410    char* start;
411    char* end;
412
413    memset(&opt, 0, sizeof(opt));
414    start = extraOptsBuf;
415    while (*start != '\0') {
416        while (*start == ' ')                   /* skip leading whitespace */
417            start++;
418        if (*start == '\0')                     /* was trailing ws, bail */
419            break;
420
421        end = start+1;
422        while (*end != ' ' && *end != '\0')     /* find end of token */
423            end++;
424        if (*end == ' ')
425            *end++ = '\0';          /* mark end, advance to indicate more */
426
427        opt.optionString = start;
428        mOptions.add(opt);
429        start = end;
430    }
431}
432
433/*
434 * Start the Dalvik Virtual Machine.
435 *
436 * Various arguments, most determined by system properties, are passed in.
437 * The "mOptions" vector is updated.
438 *
439 * Returns 0 on success.
440 */
441int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
442{
443    int result = -1;
444    JavaVMInitArgs initArgs;
445    JavaVMOption opt;
446    char propBuf[PROPERTY_VALUE_MAX];
447    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
448    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
449    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
450    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
451    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
452    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
453    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
454    char extraOptsBuf[PROPERTY_VALUE_MAX];
455    char* stackTraceFile = NULL;
456    bool checkJni = false;
457    bool checkDexSum = false;
458    bool logStdio = false;
459    enum {
460      kEMDefault,
461      kEMIntPortable,
462      kEMIntFast,
463#if defined(WITH_JIT)
464      kEMJitCompiler,
465#endif
466    } executionMode = kEMDefault;
467
468
469    property_get("dalvik.vm.checkjni", propBuf, "");
470    if (strcmp(propBuf, "true") == 0) {
471        checkJni = true;
472    } else if (strcmp(propBuf, "false") != 0) {
473        /* property is neither true nor false; fall back on kernel parameter */
474        property_get("ro.kernel.android.checkjni", propBuf, "");
475        if (propBuf[0] == '1') {
476            checkJni = true;
477        }
478    }
479
480    property_get("dalvik.vm.execution-mode", propBuf, "");
481    if (strcmp(propBuf, "int:portable") == 0) {
482        executionMode = kEMIntPortable;
483    } else if (strcmp(propBuf, "int:fast") == 0) {
484        executionMode = kEMIntFast;
485#if defined(WITH_JIT)
486    } else if (strcmp(propBuf, "int:jit") == 0) {
487        executionMode = kEMJitCompiler;
488#endif
489    }
490
491    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
492
493    property_get("dalvik.vm.check-dex-sum", propBuf, "");
494    if (strcmp(propBuf, "true") == 0) {
495        checkDexSum = true;
496    }
497
498    property_get("log.redirect-stdio", propBuf, "");
499    if (strcmp(propBuf, "true") == 0) {
500        logStdio = true;
501    }
502
503    strcpy(enableAssertBuf, "-ea:");
504    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
505
506    strcpy(jniOptsBuf, "-Xjniopts:");
507    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
508
509    /* route exit() to our handler */
510    opt.extraInfo = (void*) runtime_exit;
511    opt.optionString = "exit";
512    mOptions.add(opt);
513
514    /* route fprintf() to our handler */
515    opt.extraInfo = (void*) runtime_vfprintf;
516    opt.optionString = "vfprintf";
517    mOptions.add(opt);
518
519    /* register the framework-specific "is sensitive thread" hook */
520    opt.extraInfo = (void*) runtime_isSensitiveThread;
521    opt.optionString = "sensitiveThread";
522    mOptions.add(opt);
523
524    opt.extraInfo = NULL;
525
526    /* enable verbose; standard options are { jni, gc, class } */
527    //options[curOpt++].optionString = "-verbose:jni";
528    opt.optionString = "-verbose:gc";
529    mOptions.add(opt);
530    //options[curOpt++].optionString = "-verbose:class";
531
532    /*
533     * The default starting and maximum size of the heap.  Larger
534     * values should be specified in a product property override.
535     */
536    strcpy(heapstartsizeOptsBuf, "-Xms");
537    property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m");
538    opt.optionString = heapstartsizeOptsBuf;
539    mOptions.add(opt);
540    strcpy(heapsizeOptsBuf, "-Xmx");
541    property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m");
542    opt.optionString = heapsizeOptsBuf;
543    mOptions.add(opt);
544
545    // Increase the main thread's interpreter stack size for bug 6315322.
546    opt.optionString = "-XX:mainThreadStackSize=24K";
547    mOptions.add(opt);
548
549    strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
550    property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, "");
551    if (heapgrowthlimitOptsBuf[20] != '\0') {
552        opt.optionString = heapgrowthlimitOptsBuf;
553        mOptions.add(opt);
554    }
555
556    /*
557     * Enable or disable dexopt features, such as bytecode verification and
558     * calculation of register maps for precise GC.
559     */
560    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
561    if (dexoptFlagsBuf[0] != '\0') {
562        const char* opc;
563        const char* val;
564
565        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
566        if (opc != NULL) {
567            switch (*(opc+2)) {
568            case 'n':   val = "-Xverify:none";      break;
569            case 'r':   val = "-Xverify:remote";    break;
570            case 'a':   val = "-Xverify:all";       break;
571            default:    val = NULL;                 break;
572            }
573
574            if (val != NULL) {
575                opt.optionString = val;
576                mOptions.add(opt);
577            }
578        }
579
580        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
581        if (opc != NULL) {
582            switch (*(opc+2)) {
583            case 'n':   val = "-Xdexopt:none";      break;
584            case 'v':   val = "-Xdexopt:verified";  break;
585            case 'a':   val = "-Xdexopt:all";       break;
586            case 'f':   val = "-Xdexopt:full";      break;
587            default:    val = NULL;                 break;
588            }
589
590            if (val != NULL) {
591                opt.optionString = val;
592                mOptions.add(opt);
593            }
594        }
595
596        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
597        if (opc != NULL) {
598            opt.optionString = "-Xgenregmap";
599            mOptions.add(opt);
600
601            /* turn on precise GC while we're at it */
602            opt.optionString = "-Xgc:precise";
603            mOptions.add(opt);
604        }
605    }
606
607    /* enable debugging; set suspend=y to pause during VM init */
608    /* use android ADB transport */
609    opt.optionString =
610        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
611    mOptions.add(opt);
612
613    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
614    if (checkJni) {
615        /* extended JNI checking */
616        opt.optionString = "-Xcheck:jni";
617        mOptions.add(opt);
618
619        /* set a cap on JNI global references */
620        opt.optionString = "-Xjnigreflimit:2000";
621        mOptions.add(opt);
622
623        /* with -Xcheck:jni, this provides a JNI function call trace */
624        //opt.optionString = "-verbose:jni";
625        //mOptions.add(opt);
626    }
627
628    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
629    property_get("dalvik.vm.lockprof.threshold", propBuf, "");
630    if (strlen(propBuf) > 0) {
631      strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:");
632      strcat(lockProfThresholdBuf, propBuf);
633      opt.optionString = lockProfThresholdBuf;
634      mOptions.add(opt);
635    }
636
637#if defined(WITH_JIT)
638    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
639    char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
640    property_get("dalvik.vm.jit.op", propBuf, "");
641    if (strlen(propBuf) > 0) {
642        strcpy(jitOpBuf, "-Xjitop:");
643        strcat(jitOpBuf, propBuf);
644        opt.optionString = jitOpBuf;
645        mOptions.add(opt);
646    }
647
648    /* Force interpreter-only mode for selected methods */
649    char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
650    property_get("dalvik.vm.jit.method", propBuf, "");
651    if (strlen(propBuf) > 0) {
652        strcpy(jitMethodBuf, "-Xjitmethod:");
653        strcat(jitMethodBuf, propBuf);
654        opt.optionString = jitMethodBuf;
655        mOptions.add(opt);
656    }
657#endif
658
659    if (executionMode == kEMIntPortable) {
660        opt.optionString = "-Xint:portable";
661        mOptions.add(opt);
662    } else if (executionMode == kEMIntFast) {
663        opt.optionString = "-Xint:fast";
664        mOptions.add(opt);
665#if defined(WITH_JIT)
666    } else if (executionMode == kEMJitCompiler) {
667        opt.optionString = "-Xint:jit";
668        mOptions.add(opt);
669#endif
670    }
671
672    if (checkDexSum) {
673        /* perform additional DEX checksum tests */
674        opt.optionString = "-Xcheckdexsum";
675        mOptions.add(opt);
676    }
677
678    if (logStdio) {
679        /* convert stdout/stderr to log messages */
680        opt.optionString = "-Xlog-stdio";
681        mOptions.add(opt);
682    }
683
684    if (enableAssertBuf[4] != '\0') {
685        /* accept "all" to mean "all classes and packages" */
686        if (strcmp(enableAssertBuf+4, "all") == 0)
687            enableAssertBuf[3] = '\0';
688        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
689        opt.optionString = enableAssertBuf;
690        mOptions.add(opt);
691    } else {
692        ALOGV("Assertions disabled\n");
693    }
694
695    if (jniOptsBuf[10] != '\0') {
696        ALOGI("JNI options: '%s'\n", jniOptsBuf);
697        opt.optionString = jniOptsBuf;
698        mOptions.add(opt);
699    }
700
701    if (stackTraceFileBuf[0] != '\0') {
702        static const char* stfOptName = "-Xstacktracefile:";
703
704        stackTraceFile = (char*) malloc(strlen(stfOptName) +
705            strlen(stackTraceFileBuf) +1);
706        strcpy(stackTraceFile, stfOptName);
707        strcat(stackTraceFile, stackTraceFileBuf);
708        opt.optionString = stackTraceFile;
709        mOptions.add(opt);
710    }
711
712    /* extra options; parse this late so it overrides others */
713    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
714    parseExtraOpts(extraOptsBuf);
715
716    /* Set the properties for locale */
717    {
718        char langOption[sizeof("-Duser.language=") + 3];
719        char regionOption[sizeof("-Duser.region=") + 3];
720        strcpy(langOption, "-Duser.language=");
721        strcpy(regionOption, "-Duser.region=");
722        readLocale(langOption, regionOption);
723        opt.extraInfo = NULL;
724        opt.optionString = langOption;
725        mOptions.add(opt);
726        opt.optionString = regionOption;
727        mOptions.add(opt);
728    }
729
730    /*
731     * We don't have /tmp on the device, but we often have an SD card.  Apps
732     * shouldn't use this, but some test suites might want to exercise it.
733     */
734    opt.optionString = "-Djava.io.tmpdir=/sdcard";
735    mOptions.add(opt);
736
737    initArgs.version = JNI_VERSION_1_4;
738    initArgs.options = mOptions.editArray();
739    initArgs.nOptions = mOptions.size();
740    initArgs.ignoreUnrecognized = JNI_FALSE;
741
742    /*
743     * Initialize the VM.
744     *
745     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
746     * If this call succeeds, the VM is ready, and we can start issuing
747     * JNI calls.
748     */
749    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
750        ALOGE("JNI_CreateJavaVM failed\n");
751        goto bail;
752    }
753
754    result = 0;
755
756bail:
757    free(stackTraceFile);
758    return result;
759}
760
761char* AndroidRuntime::toSlashClassName(const char* className)
762{
763    char* result = strdup(className);
764    for (char* cp = result; *cp != '\0'; cp++) {
765        if (*cp == '.') {
766            *cp = '/';
767        }
768    }
769    return result;
770}
771
772/*
773 * Start the Android runtime.  This involves starting the virtual machine
774 * and calling the "static void main(String[] args)" method in the class
775 * named by "className".
776 *
777 * Passes the main function two arguments, the class name and the specified
778 * options string.
779 */
780void AndroidRuntime::start(const char* className, const char* options)
781{
782    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
783            className != NULL ? className : "(unknown)");
784
785    blockSigpipe();
786
787    /*
788     * 'startSystemServer == true' means runtime is obsolete and not run from
789     * init.rc anymore, so we print out the boot start event here.
790     */
791    if (strcmp(options, "start-system-server") == 0) {
792        /* track our progress through the boot sequence */
793        const int LOG_BOOT_PROGRESS_START = 3000;
794        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
795                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
796    }
797
798    const char* rootDir = getenv("ANDROID_ROOT");
799    if (rootDir == NULL) {
800        rootDir = "/system";
801        if (!hasDir("/system")) {
802            LOG_FATAL("No root directory specified, and /android does not exist.");
803            return;
804        }
805        setenv("ANDROID_ROOT", rootDir, 1);
806    }
807
808    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
809    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
810
811    /* start the virtual machine */
812    JNIEnv* env;
813    if (startVm(&mJavaVM, &env) != 0) {
814        return;
815    }
816    onVmCreated(env);
817
818    /*
819     * Register android functions.
820     */
821    if (startReg(env) < 0) {
822        ALOGE("Unable to register all android natives\n");
823        return;
824    }
825
826    /*
827     * We want to call main() with a String array with arguments in it.
828     * At present we have two arguments, the class name and an option string.
829     * Create an array to hold them.
830     */
831    jclass stringClass;
832    jobjectArray strArray;
833    jstring classNameStr;
834    jstring optionsStr;
835
836    stringClass = env->FindClass("java/lang/String");
837    assert(stringClass != NULL);
838    strArray = env->NewObjectArray(2, stringClass, NULL);
839    assert(strArray != NULL);
840    classNameStr = env->NewStringUTF(className);
841    assert(classNameStr != NULL);
842    env->SetObjectArrayElement(strArray, 0, classNameStr);
843    optionsStr = env->NewStringUTF(options);
844    env->SetObjectArrayElement(strArray, 1, optionsStr);
845
846    /*
847     * Start VM.  This thread becomes the main thread of the VM, and will
848     * not return until the VM exits.
849     */
850    char* slashClassName = toSlashClassName(className);
851    jclass startClass = env->FindClass(slashClassName);
852    if (startClass == NULL) {
853        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
854        /* keep going */
855    } else {
856        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
857            "([Ljava/lang/String;)V");
858        if (startMeth == NULL) {
859            ALOGE("JavaVM unable to find main() in '%s'\n", className);
860            /* keep going */
861        } else {
862            env->CallStaticVoidMethod(startClass, startMeth, strArray);
863
864#if 0
865            if (env->ExceptionCheck())
866                threadExitUncaughtException(env);
867#endif
868        }
869    }
870    free(slashClassName);
871
872    ALOGD("Shutting down VM\n");
873    if (mJavaVM->DetachCurrentThread() != JNI_OK)
874        ALOGW("Warning: unable to detach main thread\n");
875    if (mJavaVM->DestroyJavaVM() != 0)
876        ALOGW("Warning: VM did not shut down cleanly\n");
877}
878
879void AndroidRuntime::exit(int code)
880{
881    if (mExitWithoutCleanup) {
882        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
883        ::_exit(code);
884    } else {
885        ALOGI("VM exiting with result code %d.", code);
886        onExit(code);
887        ::exit(code);
888    }
889}
890
891void AndroidRuntime::onVmCreated(JNIEnv* env)
892{
893    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
894}
895
896/*
897 * Get the JNIEnv pointer for this thread.
898 *
899 * Returns NULL if the slot wasn't allocated or populated.
900 */
901/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
902{
903    JNIEnv* env;
904    JavaVM* vm = AndroidRuntime::getJavaVM();
905    assert(vm != NULL);
906
907    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
908        return NULL;
909    return env;
910}
911
912/*
913 * Makes the current thread visible to the VM.
914 *
915 * The JNIEnv pointer returned is only valid for the current thread, and
916 * thus must be tucked into thread-local storage.
917 */
918static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
919{
920    JavaVMAttachArgs args;
921    JavaVM* vm;
922    jint result;
923
924    vm = AndroidRuntime::getJavaVM();
925    assert(vm != NULL);
926
927    args.version = JNI_VERSION_1_4;
928    args.name = (char*) threadName;
929    args.group = NULL;
930
931    result = vm->AttachCurrentThread(pEnv, (void*) &args);
932    if (result != JNI_OK)
933        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
934
935    return result;
936}
937
938/*
939 * Detach the current thread from the set visible to the VM.
940 */
941static int javaDetachThread(void)
942{
943    JavaVM* vm;
944    jint result;
945
946    vm = AndroidRuntime::getJavaVM();
947    assert(vm != NULL);
948
949    result = vm->DetachCurrentThread();
950    if (result != JNI_OK)
951        ALOGE("ERROR: thread detach failed\n");
952    return result;
953}
954
955/*
956 * When starting a native thread that will be visible from the VM, we
957 * bounce through this to get the right attach/detach action.
958 * Note that this function calls free(args)
959 */
960/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
961    void* start = ((void**)args)[0];
962    void* userData = ((void **)args)[1];
963    char* name = (char*) ((void **)args)[2];        // we own this storage
964    free(args);
965    JNIEnv* env;
966    int result;
967
968    /* hook us into the VM */
969    if (javaAttachThread(name, &env) != JNI_OK)
970        return -1;
971
972    /* start the thread running */
973    result = (*(android_thread_func_t)start)(userData);
974
975    /* unhook us */
976    javaDetachThread();
977    free(name);
978
979    return result;
980}
981
982/*
983 * This is invoked from androidCreateThreadEtc() via the callback
984 * set with androidSetCreateThreadFunc().
985 *
986 * We need to create the new thread in such a way that it gets hooked
987 * into the VM before it really starts executing.
988 */
989/*static*/ int AndroidRuntime::javaCreateThreadEtc(
990                                android_thread_func_t entryFunction,
991                                void* userData,
992                                const char* threadName,
993                                int32_t threadPriority,
994                                size_t threadStackSize,
995                                android_thread_id_t* threadId)
996{
997    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
998    int result;
999
1000    assert(threadName != NULL);
1001
1002    args[0] = (void*) entryFunction;
1003    args[1] = userData;
1004    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1005
1006    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1007        threadName, threadPriority, threadStackSize, threadId);
1008    return result;
1009}
1010
1011/*
1012 * Create a thread that is visible from the VM.
1013 *
1014 * This is called from elsewhere in the library.
1015 */
1016/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1017    void (*start)(void *), void* arg)
1018{
1019    android_thread_id_t threadId = 0;
1020    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1021        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1022    return threadId;
1023}
1024
1025#if 0
1026static void quickTest(void* arg)
1027{
1028    const char* str = (const char*) arg;
1029
1030    printf("In quickTest: %s\n", str);
1031}
1032#endif
1033
1034#ifdef NDEBUG
1035    #define REG_JNI(name)      { name }
1036    struct RegJNIRec {
1037        int (*mProc)(JNIEnv*);
1038    };
1039#else
1040    #define REG_JNI(name)      { name, #name }
1041    struct RegJNIRec {
1042        int (*mProc)(JNIEnv*);
1043        const char* mName;
1044    };
1045#endif
1046
1047typedef void (*RegJAMProc)();
1048
1049static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1050{
1051    for (size_t i = 0; i < count; i++) {
1052        if (array[i].mProc(env) < 0) {
1053#ifndef NDEBUG
1054            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1055#endif
1056            return -1;
1057        }
1058    }
1059    return 0;
1060}
1061
1062static void register_jam_procs(const RegJAMProc array[], size_t count)
1063{
1064    for (size_t i = 0; i < count; i++) {
1065        array[i]();
1066    }
1067}
1068
1069static const RegJNIRec gRegJNI[] = {
1070    REG_JNI(register_android_debug_JNITest),
1071    REG_JNI(register_com_android_internal_os_RuntimeInit),
1072    REG_JNI(register_android_os_SystemClock),
1073    REG_JNI(register_android_util_EventLog),
1074    REG_JNI(register_android_util_Log),
1075    REG_JNI(register_android_util_FloatMath),
1076    REG_JNI(register_android_text_format_Time),
1077    REG_JNI(register_android_content_AssetManager),
1078    REG_JNI(register_android_content_StringBlock),
1079    REG_JNI(register_android_content_XmlBlock),
1080    REG_JNI(register_android_emoji_EmojiFactory),
1081    REG_JNI(register_android_text_AndroidCharacter),
1082    REG_JNI(register_android_text_AndroidBidi),
1083    REG_JNI(register_android_view_InputDevice),
1084    REG_JNI(register_android_view_KeyCharacterMap),
1085    REG_JNI(register_android_os_Process),
1086    REG_JNI(register_android_os_SystemProperties),
1087    REG_JNI(register_android_os_Binder),
1088    REG_JNI(register_android_os_Parcel),
1089    REG_JNI(register_android_view_DisplayEventReceiver),
1090    REG_JNI(register_android_nio_utils),
1091    REG_JNI(register_android_graphics_PixelFormat),
1092    REG_JNI(register_android_graphics_Graphics),
1093    REG_JNI(register_android_view_GLES20DisplayList),
1094    REG_JNI(register_android_view_GLES20Canvas),
1095    REG_JNI(register_android_view_HardwareRenderer),
1096    REG_JNI(register_android_view_Surface),
1097    REG_JNI(register_android_view_TextureView),
1098    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1099    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1100    REG_JNI(register_android_opengl_jni_EGL14),
1101    REG_JNI(register_android_opengl_jni_GLES10),
1102    REG_JNI(register_android_opengl_jni_GLES10Ext),
1103    REG_JNI(register_android_opengl_jni_GLES11),
1104    REG_JNI(register_android_opengl_jni_GLES11Ext),
1105    REG_JNI(register_android_opengl_jni_GLES20),
1106
1107    REG_JNI(register_android_graphics_Bitmap),
1108    REG_JNI(register_android_graphics_BitmapFactory),
1109    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1110    REG_JNI(register_android_graphics_Camera),
1111    REG_JNI(register_android_graphics_Canvas),
1112    REG_JNI(register_android_graphics_ColorFilter),
1113    REG_JNI(register_android_graphics_DrawFilter),
1114    REG_JNI(register_android_graphics_Interpolator),
1115    REG_JNI(register_android_graphics_LayerRasterizer),
1116    REG_JNI(register_android_graphics_MaskFilter),
1117    REG_JNI(register_android_graphics_Matrix),
1118    REG_JNI(register_android_graphics_Movie),
1119    REG_JNI(register_android_graphics_NinePatch),
1120    REG_JNI(register_android_graphics_Paint),
1121    REG_JNI(register_android_graphics_Path),
1122    REG_JNI(register_android_graphics_PathMeasure),
1123    REG_JNI(register_android_graphics_PathEffect),
1124    REG_JNI(register_android_graphics_Picture),
1125    REG_JNI(register_android_graphics_PorterDuff),
1126    REG_JNI(register_android_graphics_Rasterizer),
1127    REG_JNI(register_android_graphics_Region),
1128    REG_JNI(register_android_graphics_Shader),
1129    REG_JNI(register_android_graphics_SurfaceTexture),
1130    REG_JNI(register_android_graphics_Typeface),
1131    REG_JNI(register_android_graphics_Xfermode),
1132    REG_JNI(register_android_graphics_YuvImage),
1133
1134    REG_JNI(register_android_database_CursorWindow),
1135    REG_JNI(register_android_database_SQLiteConnection),
1136    REG_JNI(register_android_database_SQLiteGlobal),
1137    REG_JNI(register_android_database_SQLiteDebug),
1138    REG_JNI(register_android_os_Debug),
1139    REG_JNI(register_android_os_FileObserver),
1140    REG_JNI(register_android_os_FileUtils),
1141    REG_JNI(register_android_os_MessageQueue),
1142    REG_JNI(register_android_os_ParcelFileDescriptor),
1143    REG_JNI(register_android_os_SELinux),
1144    REG_JNI(register_android_os_Trace),
1145    REG_JNI(register_android_os_UEventObserver),
1146    REG_JNI(register_android_net_LocalSocketImpl),
1147    REG_JNI(register_android_net_NetworkUtils),
1148    REG_JNI(register_android_net_TrafficStats),
1149    REG_JNI(register_android_net_wifi_WifiManager),
1150    REG_JNI(register_android_os_MemoryFile),
1151    REG_JNI(register_com_android_internal_os_ZygoteInit),
1152    REG_JNI(register_android_hardware_Camera),
1153    REG_JNI(register_android_hardware_SensorManager),
1154    REG_JNI(register_android_hardware_SerialPort),
1155    REG_JNI(register_android_hardware_UsbDevice),
1156    REG_JNI(register_android_hardware_UsbDeviceConnection),
1157    REG_JNI(register_android_hardware_UsbRequest),
1158    REG_JNI(register_android_media_AudioRecord),
1159    REG_JNI(register_android_media_AudioSystem),
1160    REG_JNI(register_android_media_AudioTrack),
1161    REG_JNI(register_android_media_JetPlayer),
1162    REG_JNI(register_android_media_ToneGenerator),
1163
1164    REG_JNI(register_android_opengl_classes),
1165    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1166    REG_JNI(register_android_server_Watchdog),
1167    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1168    REG_JNI(register_android_backup_BackupDataInput),
1169    REG_JNI(register_android_backup_BackupDataOutput),
1170    REG_JNI(register_android_backup_FileBackupHelperBase),
1171    REG_JNI(register_android_backup_BackupHelperDispatcher),
1172    REG_JNI(register_android_app_backup_FullBackup),
1173    REG_JNI(register_android_app_ActivityThread),
1174    REG_JNI(register_android_app_NativeActivity),
1175    REG_JNI(register_android_view_InputChannel),
1176    REG_JNI(register_android_view_InputEventReceiver),
1177    REG_JNI(register_android_view_KeyEvent),
1178    REG_JNI(register_android_view_MotionEvent),
1179    REG_JNI(register_android_view_PointerIcon),
1180    REG_JNI(register_android_view_VelocityTracker),
1181
1182    REG_JNI(register_android_content_res_ObbScanner),
1183    REG_JNI(register_android_content_res_Configuration),
1184
1185    REG_JNI(register_android_animation_PropertyValuesHolder),
1186    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1187};
1188
1189/*
1190 * Register android native functions with the VM.
1191 */
1192/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1193{
1194    /*
1195     * This hook causes all future threads created in this process to be
1196     * attached to the JavaVM.  (This needs to go away in favor of JNI
1197     * Attach calls.)
1198     */
1199    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1200
1201    ALOGV("--- registering native functions ---\n");
1202
1203    /*
1204     * Every "register" function calls one or more things that return
1205     * a local reference (e.g. FindClass).  Because we haven't really
1206     * started the VM yet, they're all getting stored in the base frame
1207     * and never released.  Use Push/Pop to manage the storage.
1208     */
1209    env->PushLocalFrame(200);
1210
1211    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1212        env->PopLocalFrame(NULL);
1213        return -1;
1214    }
1215    env->PopLocalFrame(NULL);
1216
1217    //createJavaThread("fubar", quickTest, (void*) "hello");
1218
1219    return 0;
1220}
1221
1222AndroidRuntime* AndroidRuntime::getRuntime()
1223{
1224    return gCurRuntime;
1225}
1226
1227/**
1228 * Used by WithFramework to register native functions.
1229 */
1230extern "C"
1231jint Java_com_android_internal_util_WithFramework_registerNatives(
1232        JNIEnv* env, jclass clazz) {
1233    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1234}
1235
1236/**
1237 * Used by LoadClass to register native functions.
1238 */
1239extern "C"
1240jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1241    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1242}
1243
1244}   // namespace android
1245