AndroidRuntime.cpp revision 1c4907ee77392afb768c2f088e0dedbe4239f6fb 
1/* //device/libs/android_runtime/AndroidRuntime.cpp
2**
3** Copyright 2006, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#define LOG_TAG "AndroidRuntime"
19//#define LOG_NDEBUG 0
20
21#include <android_runtime/AndroidRuntime.h>
22#include <utils/IBinder.h>
23#include <utils/IServiceManager.h>
24#include <utils/Log.h>
25#include <utils/misc.h>
26#include <utils/Parcel.h>
27#include <utils/string_array.h>
28#include <utils/threads.h>
29#include <cutils/properties.h>
30
31#include <SkGraphics.h>
32#include <SkImageDecoder.h>
33
34#include "jni.h"
35#include "JNIHelp.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 void register_BindTest();
50
51extern int register_android_os_Binder(JNIEnv* env);
52extern int register_android_os_Process(JNIEnv* env);
53extern int register_android_graphics_Bitmap(JNIEnv*);
54extern int register_android_graphics_BitmapFactory(JNIEnv*);
55extern int register_android_graphics_Camera(JNIEnv* env);
56extern int register_android_graphics_Graphics(JNIEnv* env);
57extern int register_android_graphics_Interpolator(JNIEnv* env);
58extern int register_android_graphics_LayerRasterizer(JNIEnv*);
59extern int register_android_graphics_MaskFilter(JNIEnv* env);
60extern int register_android_graphics_Movie(JNIEnv* env);
61extern int register_android_graphics_NinePatch(JNIEnv*);
62extern int register_android_graphics_PathEffect(JNIEnv* env);
63extern int register_android_graphics_Region(JNIEnv* env);
64extern int register_android_graphics_Shader(JNIEnv* env);
65extern int register_android_graphics_Typeface(JNIEnv* env);
66
67extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
68extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
69extern int register_android_opengl_jni_GLES10(JNIEnv* env);
70extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
71extern int register_android_opengl_jni_GLES11(JNIEnv* env);
72extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
73
74extern int register_android_hardware_Camera(JNIEnv *env);
75
76extern int register_android_hardware_SensorManager(JNIEnv *env);
77
78extern int register_android_media_AudioRecord(JNIEnv *env);
79extern int register_android_media_AudioSystem(JNIEnv *env);
80extern int register_android_media_AudioTrack(JNIEnv *env);
81extern int register_android_media_JetPlayer(JNIEnv *env);
82extern int register_android_media_ToneGenerator(JNIEnv *env);
83
84extern int register_android_message_digest_sha1(JNIEnv *env);
85
86extern int register_android_util_FloatMath(JNIEnv* env);
87
88namespace android {
89
90/*
91 * JNI-based registration functions.  Note these are properly contained in
92 * namespace android.
93 */
94extern int register_android_content_AssetManager(JNIEnv* env);
95extern int register_android_util_EventLog(JNIEnv* env);
96extern int register_android_util_Log(JNIEnv* env);
97extern int register_android_content_StringBlock(JNIEnv* env);
98extern int register_android_content_XmlBlock(JNIEnv* env);
99extern int register_android_emoji_EmojiFactory(JNIEnv* env);
100extern int register_android_graphics_Canvas(JNIEnv* env);
101extern int register_android_graphics_ColorFilter(JNIEnv* env);
102extern int register_android_graphics_DrawFilter(JNIEnv* env);
103extern int register_android_graphics_Matrix(JNIEnv* env);
104extern int register_android_graphics_Paint(JNIEnv* env);
105extern int register_android_graphics_Path(JNIEnv* env);
106extern int register_android_graphics_PathMeasure(JNIEnv* env);
107extern int register_android_graphics_Picture(JNIEnv*);
108extern int register_android_graphics_PorterDuff(JNIEnv* env);
109extern int register_android_graphics_Rasterizer(JNIEnv* env);
110extern int register_android_graphics_Xfermode(JNIEnv* env);
111extern int register_android_graphics_PixelFormat(JNIEnv* env);
112extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env);
113extern int register_android_view_Display(JNIEnv* env);
114extern int register_android_view_Surface(JNIEnv* env);
115extern int register_android_view_ViewRoot(JNIEnv* env);
116extern int register_android_database_CursorWindow(JNIEnv* env);
117extern int register_android_database_SQLiteDatabase(JNIEnv* env);
118extern int register_android_database_SQLiteDebug(JNIEnv* env);
119extern int register_android_database_SQLiteProgram(JNIEnv* env);
120extern int register_android_database_SQLiteQuery(JNIEnv* env);
121extern int register_android_database_SQLiteStatement(JNIEnv* env);
122extern int register_android_debug_JNITest(JNIEnv* env);
123extern int register_android_nio_utils(JNIEnv* env);
124extern int register_android_pim_EventRecurrence(JNIEnv* env);
125extern int register_android_text_format_Time(JNIEnv* env);
126extern int register_android_os_Debug(JNIEnv* env);
127extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
128extern int register_android_os_Power(JNIEnv *env);
129extern int register_android_os_StatFs(JNIEnv *env);
130extern int register_android_os_SystemProperties(JNIEnv *env);
131extern int register_android_os_Hardware(JNIEnv* env);
132extern int register_android_os_SystemClock(JNIEnv* env);
133extern int register_android_os_FileObserver(JNIEnv *env);
134extern int register_android_os_FileUtils(JNIEnv *env);
135extern int register_android_os_UEventObserver(JNIEnv* env);
136extern int register_android_os_MemoryFile(JNIEnv* env);
137extern int register_android_net_LocalSocketImpl(JNIEnv* env);
138extern int register_android_net_NetworkUtils(JNIEnv* env);
139extern int register_android_net_wifi_WifiManager(JNIEnv* env);
140extern int register_android_security_Md5MessageDigest(JNIEnv *env);
141extern int register_android_text_AndroidCharacter(JNIEnv *env);
142extern int register_android_text_KeyCharacterMap(JNIEnv *env);
143extern int register_android_opengl_classes(JNIEnv *env);
144extern int register_android_bluetooth_Database(JNIEnv* env);
145extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
146extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
147extern int register_android_bluetooth_RfcommSocket(JNIEnv *env);
148extern int register_android_bluetooth_ScoSocket(JNIEnv *env);
149extern int register_android_server_BluetoothDeviceService(JNIEnv* env);
150extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
151extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
152extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
153extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
154extern int register_android_util_Base64(JNIEnv* env);
155extern int register_android_location_GpsLocationProvider(JNIEnv* env);
156
157static AndroidRuntime* gCurRuntime = NULL;
158
159static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
160{
161    if (jniThrowException(env, exc, msg) != 0)
162        assert(false);
163}
164
165/*
166 * Code written in the Java Programming Language calls here from main().
167 */
168static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
169{
170    gCurRuntime->onStarted();
171}
172
173static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
174{
175    gCurRuntime->onZygoteInit();
176}
177
178static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
179{
180    return 1;
181}
182
183static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
184{
185}
186
187static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
188{
189    char* value = getenv("qwerty");
190    if (value != NULL && strcmp(value, "true") == 0) {
191        return 1;
192    }
193
194    return 0;
195}
196
197/*
198 * JNI registration.
199 */
200static JNINativeMethod gMethods[] = {
201    { "finishInit", "()V",
202        (void*) com_android_internal_os_RuntimeInit_finishInit },
203    { "zygoteInitNative", "()V",
204        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
205    { "isComputerOn", "()I",
206        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
207    { "turnComputerOn", "()V",
208        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
209    { "getQwertyKeyboard", "()I",
210        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
211};
212
213int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
214{
215    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
216        gMethods, NELEM(gMethods));
217}
218
219// ----------------------------------------------------------------------
220
221/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
222
223
224AndroidRuntime::AndroidRuntime()
225{
226    SkGraphics::Init();
227    // this sets our preference for 16bit images during decode
228    // in case the src is opaque and 24bit
229    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
230
231    // Pre-allocate enough space to hold a fair number of options.
232    mOptions.setCapacity(20);
233
234    assert(gCurRuntime == NULL);        // one per process
235    gCurRuntime = this;
236}
237
238AndroidRuntime::~AndroidRuntime()
239{
240    SkGraphics::Term();
241}
242
243/*
244 * Register native methods using JNI.
245 */
246/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
247    const char* className, const JNINativeMethod* gMethods, int numMethods)
248{
249    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
250}
251
252/*
253 * Call a static Java Programming Language function that takes no arguments and returns void.
254 */
255status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
256{
257    JNIEnv* env;
258    jclass clazz;
259    jmethodID methodId;
260
261    env = getJNIEnv();
262    if (env == NULL)
263        return UNKNOWN_ERROR;
264
265    clazz = findClass(env, className);
266    if (clazz == NULL) {
267        LOGE("ERROR: could not find class '%s'\n", className);
268        return UNKNOWN_ERROR;
269    }
270    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
271    if (methodId == NULL) {
272        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
273        return UNKNOWN_ERROR;
274    }
275
276    env->CallStaticVoidMethod(clazz, methodId);
277
278    return NO_ERROR;
279}
280
281status_t AndroidRuntime::callMain(
282    const char* className, int argc, const char* const argv[])
283{
284    JNIEnv* env;
285    jclass clazz;
286    jmethodID methodId;
287
288    env = getJNIEnv();
289    if (env == NULL)
290        return UNKNOWN_ERROR;
291
292    clazz = findClass(env, className);
293    if (clazz == NULL) {
294        LOGE("ERROR: could not find class '%s'\n", className);
295        return UNKNOWN_ERROR;
296    }
297
298    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
299    if (methodId == NULL) {
300        LOGE("ERROR: could not find method %s.main(String[])\n", className);
301        return UNKNOWN_ERROR;
302    }
303
304    /*
305     * We want to call main() with a String array with our arguments in it.
306     * Create an array and populate it.
307     */
308    jclass stringClass;
309    jobjectArray strArray;
310
311    stringClass = env->FindClass("java/lang/String");
312    strArray = env->NewObjectArray(argc, stringClass, NULL);
313
314    for (int i = 0; i < argc; i++) {
315        jstring argStr = env->NewStringUTF(argv[i]);
316        env->SetObjectArrayElement(strArray, i, argStr);
317    }
318
319    env->CallStaticVoidMethod(clazz, methodId, strArray);
320    return NO_ERROR;
321}
322
323/*
324 * Find the named class.
325 */
326jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
327{
328    char* convName = NULL;
329
330    if (env->ExceptionCheck()) {
331        LOGE("ERROR: exception pending on entry to findClass()\n");
332        return NULL;
333    }
334
335    /*
336     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
337     * uses the dotted "binary name" format.  We don't need to convert the
338     * name with the new approach.
339     */
340#if 0
341    /* (convName only created if necessary -- use className) */
342    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
343        if (*cp == '.') {
344            if (convName == NULL) {
345                convName = strdup(className);
346                cp = convName + (cp-className);
347                className = convName;
348            }
349            *cp = '/';
350        }
351    }
352#endif
353
354    /*
355     * This is a little awkward because the JNI FindClass call uses the
356     * class loader associated with the native method we're executing in.
357     * Because this native method is part of a "boot" class, JNI doesn't
358     * look for the class in CLASSPATH, which unfortunately is a likely
359     * location for it.  (Had we issued the FindClass call before calling
360     * into the VM -- at which point there isn't a native method frame on
361     * the stack -- the VM would have checked CLASSPATH.  We have to do
362     * this because we call into Java Programming Language code and
363     * bounce back out.)
364     *
365     * JNI lacks a "find class in a specific class loader" operation, so we
366     * have to do things the hard way.
367     */
368    jclass cls = NULL;
369    //cls = env->FindClass(className);
370
371    jclass javaLangClassLoader;
372    jmethodID getSystemClassLoader, loadClass;
373    jobject systemClassLoader;
374    jstring strClassName;
375
376    /* find the "system" class loader; none of this is expected to fail */
377    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
378    assert(javaLangClassLoader != NULL);
379    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
380        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
381    loadClass = env->GetMethodID(javaLangClassLoader,
382        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
383    assert(getSystemClassLoader != NULL && loadClass != NULL);
384    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
385        getSystemClassLoader);
386    assert(systemClassLoader != NULL);
387
388    /* create an object for the class name string; alloc could fail */
389    strClassName = env->NewStringUTF(className);
390    if (env->ExceptionCheck()) {
391        LOGE("ERROR: unable to convert '%s' to string\n", className);
392        goto bail;
393    }
394    LOGV("system class loader is %p, loading %p (%s)\n",
395        systemClassLoader, strClassName, className);
396
397    /* try to find the named class */
398    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
399                        strClassName);
400    if (env->ExceptionCheck()) {
401        LOGE("ERROR: unable to load class '%s' from %p\n",
402            className, systemClassLoader);
403        cls = NULL;
404        goto bail;
405    }
406
407bail:
408    free(convName);
409    return cls;
410}
411
412/*
413 * The VM calls this through the "exit" hook.
414 */
415static void runtime_exit(int code)
416{
417    gCurRuntime->onExit(code);
418    exit(code);
419}
420
421/*
422 * The VM calls this through the "vfprintf" hook.
423 *
424 * We ignore "fp" and just write the results to the log file.
425 */
426static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
427{
428    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
429}
430
431
432/**
433 * Add VM arguments to the to-be-executed VM
434 * Stops at first non '-' argument (also stops at an argument of '--')
435 * Returns the number of args consumed
436 */
437int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
438{
439    int i;
440
441    for (i = 0; i<argc; i++) {
442        if (argv[i][0] != '-') {
443            return i;
444        }
445        if (argv[i][1] == '-' && argv[i][2] == 0) {
446            return i+1;
447        }
448
449        JavaVMOption opt;
450        memset(&opt, 0, sizeof(opt));
451        opt.optionString = (char*)argv[i];
452        mOptions.add(opt);
453    }
454    return i;
455}
456
457static int hasDir(const char* dir)
458{
459    struct stat s;
460    int res = stat(dir, &s);
461    if (res == 0) {
462        return S_ISDIR(s.st_mode);
463    }
464    return 0;
465}
466
467/*
468 * We just want failed write() calls to just return with an error.
469 */
470static void blockSigpipe()
471{
472    sigset_t mask;
473
474    sigemptyset(&mask);
475    sigaddset(&mask, SIGPIPE);
476    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
477        LOGW("WARNING: SIGPIPE not blocked\n");
478}
479
480/*
481 * Read the persistent locale.
482 */
483static void readLocale(char* language, char* region)
484{
485    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
486
487    property_get("persist.sys.language", propLang, "");
488    property_get("persist.sys.country", propRegn, "");
489    if (*propLang == 0 && *propRegn == 0) {
490        /* Set to ro properties, default is en_US */
491        property_get("ro.product.locale.language", propLang, "en");
492        property_get("ro.product.locale.region", propRegn, "US");
493    }
494    strncat(language, propLang, 2);
495    strncat(region, propRegn, 2);
496    //LOGD("language=%s region=%s\n", language, region);
497}
498
499/*
500 * Start the Dalvik Virtual Machine.
501 *
502 * Various arguments, most determined by system properties, are passed in.
503 * The "mOptions" vector is updated.
504 *
505 * Returns 0 on success.
506 */
507int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
508{
509    int result = -1;
510    JavaVMInitArgs initArgs;
511    JavaVMOption opt;
512    char propBuf[PROPERTY_VALUE_MAX];
513    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
514    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
515    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
516    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
517    char* stackTraceFile = NULL;
518    bool checkJni = false;
519    bool checkDexSum = false;
520    bool logStdio = false;
521    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
522
523
524    property_get("dalvik.vm.checkjni", propBuf, "");
525    if (strcmp(propBuf, "true") == 0) {
526        checkJni = true;
527    } else if (strcmp(propBuf, "false") != 0) {
528        /* property is neither true nor false; fall back on kernel parameter */
529        property_get("ro.kernel.android.checkjni", propBuf, "");
530        if (propBuf[0] == '1') {
531            checkJni = true;
532        }
533    }
534
535    property_get("dalvik.vm.execution-mode", propBuf, "");
536    if (strcmp(propBuf, "int:portable") == 0) {
537        executionMode = kEMIntPortable;
538    } else if (strcmp(propBuf, "int:fast") == 0) {
539        executionMode = kEMIntFast;
540    }
541
542    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
543
544    property_get("dalvik.vm.check-dex-sum", propBuf, "");
545    if (strcmp(propBuf, "true") == 0) {
546        checkDexSum = true;
547    }
548
549    property_get("log.redirect-stdio", propBuf, "");
550    if (strcmp(propBuf, "true") == 0) {
551        logStdio = true;
552    }
553
554    strcpy(enableAssertBuf, "-ea:");
555    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
556
557    strcpy(jniOptsBuf, "-Xjniopts:");
558    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
559
560    /* route exit() to our handler */
561    opt.extraInfo = (void*) runtime_exit;
562    opt.optionString = "exit";
563    mOptions.add(opt);
564
565    /* route fprintf() to our handler */
566    opt.extraInfo = (void*) runtime_vfprintf;
567    opt.optionString = "vfprintf";
568    mOptions.add(opt);
569
570    opt.extraInfo = NULL;
571
572    /* enable verbose; standard options are { jni, gc, class } */
573    //options[curOpt++].optionString = "-verbose:jni";
574    opt.optionString = "-verbose:gc";
575    mOptions.add(opt);
576    //options[curOpt++].optionString = "-verbose:class";
577
578#ifdef CUSTOM_RUNTIME_HEAP_MAX
579#define __make_max_heap_opt(val) #val
580#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
581    opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
582#undef __make_max_heap_opt
583#undef _make_max_heap_opt
584#else
585    /* limit memory use to 16MB */
586    opt.optionString = "-Xmx16m";
587#endif
588    mOptions.add(opt);
589
590    /*
591     * Enable or disable dexopt features, such as bytecode verification and
592     * calculation of register maps for precise GC.
593     */
594    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
595    if (dexoptFlagsBuf[0] != '\0') {
596        const char* opc;
597        const char* val;
598
599        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
600        if (opc != NULL) {
601            switch (*(opc+2)) {
602            case 'n':   val = "-Xverify:none";      break;
603            case 'r':   val = "-Xverify:remote";    break;
604            case 'a':   val = "-Xverify:all";       break;
605            default:    val = NULL;                 break;
606            }
607
608            if (val != NULL) {
609                opt.optionString = val;
610                mOptions.add(opt);
611            }
612        }
613
614        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
615        if (opc != NULL) {
616            switch (*(opc+2)) {
617            case 'n':   val = "-Xdexopt:none";      break;
618            case 'v':   val = "-Xdexopt:verified";  break;
619            case 'a':   val = "-Xdexopt:all";       break;
620            default:    val = NULL;                 break;
621            }
622
623            if (val != NULL) {
624                opt.optionString = val;
625                mOptions.add(opt);
626            }
627        }
628
629        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
630        if (opc != NULL) {
631            opt.optionString = "-Xgenregmap";
632            mOptions.add(opt);
633
634            /* turn on precise GC while we're at it */
635            opt.optionString = "-Xgc:precise";
636            mOptions.add(opt);
637        }
638    }
639
640    /* enable debugging; set suspend=y to pause during VM init */
641#ifdef HAVE_ANDROID_OS
642    /* use android ADB transport */
643    opt.optionString =
644        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
645#else
646    /* use TCP socket; address=0 means start at port 8000 and probe up */
647    LOGI("Using TCP socket for JDWP\n");
648    opt.optionString =
649        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
650#endif
651    mOptions.add(opt);
652
653    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
654    property_get("dalvik.vm.deadlock-predict", propBuf, "");
655    if (strlen(propBuf) > 0) {
656        strcpy(enableDPBuf, "-Xdeadlockpredict:");
657        strcat(enableDPBuf, propBuf);
658        opt.optionString = enableDPBuf;
659        mOptions.add(opt);
660    }
661
662    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
663    if (checkJni) {
664        /* extended JNI checking */
665        opt.optionString = "-Xcheck:jni";
666        mOptions.add(opt);
667
668        /* set a cap on JNI global references */
669        opt.optionString = "-Xjnigreflimit:2000";
670        mOptions.add(opt);
671
672        /* with -Xcheck:jni, this provides a JNI function call trace */
673        //opt.optionString = "-verbose:jni";
674        //mOptions.add(opt);
675    }
676    if (executionMode == kEMIntPortable) {
677        opt.optionString = "-Xint:portable";
678        mOptions.add(opt);
679    } else if (executionMode == kEMIntFast) {
680        opt.optionString = "-Xint:fast";
681        mOptions.add(opt);
682    }
683
684    if (checkDexSum) {
685        /* perform additional DEX checksum tests */
686        opt.optionString = "-Xcheckdexsum";
687        mOptions.add(opt);
688    }
689
690    if (logStdio) {
691        /* convert stdout/stderr to log messages */
692        opt.optionString = "-Xlog-stdio";
693        mOptions.add(opt);
694    }
695
696    if (enableAssertBuf[4] != '\0') {
697        /* accept "all" to mean "all classes and packages" */
698        if (strcmp(enableAssertBuf+4, "all") == 0)
699            enableAssertBuf[3] = '\0';
700        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
701        opt.optionString = enableAssertBuf;
702        mOptions.add(opt);
703    } else {
704        LOGV("Assertions disabled\n");
705    }
706
707    if (jniOptsBuf[10] != '\0') {
708        LOGI("JNI options: '%s'\n", jniOptsBuf);
709        opt.optionString = jniOptsBuf;
710        mOptions.add(opt);
711    }
712
713    if (stackTraceFileBuf[0] != '\0') {
714        static const char* stfOptName = "-Xstacktracefile:";
715
716        stackTraceFile = (char*) malloc(strlen(stfOptName) +
717            strlen(stackTraceFileBuf) +1);
718        strcpy(stackTraceFile, stfOptName);
719        strcat(stackTraceFile, stackTraceFileBuf);
720        opt.optionString = stackTraceFile;
721        mOptions.add(opt);
722    }
723
724    /* Set the properties for locale */
725    {
726        char langOption[sizeof("-Duser.language=") + 3];
727        char regionOption[sizeof("-Duser.region=") + 3];
728        strcpy(langOption, "-Duser.language=");
729        strcpy(regionOption, "-Duser.region=");
730        readLocale(langOption, regionOption);
731        opt.extraInfo = NULL;
732        opt.optionString = langOption;
733        mOptions.add(opt);
734        opt.optionString = regionOption;
735        mOptions.add(opt);
736    }
737
738    /*
739     * We don't have /tmp on the device, but we often have an SD card.  Apps
740     * shouldn't use this, but some test suites might want to exercise it.
741     */
742    opt.optionString = "-Djava.io.tmpdir=/sdcard";
743    mOptions.add(opt);
744
745    initArgs.version = JNI_VERSION_1_4;
746    initArgs.options = mOptions.editArray();
747    initArgs.nOptions = mOptions.size();
748    initArgs.ignoreUnrecognized = JNI_FALSE;
749
750    /*
751     * Initialize the VM.
752     *
753     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
754     * If this call succeeds, the VM is ready, and we can start issuing
755     * JNI calls.
756     */
757    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
758        LOGE("JNI_CreateJavaVM failed\n");
759        goto bail;
760    }
761
762    result = 0;
763
764bail:
765    free(stackTraceFile);
766    return result;
767}
768
769/*
770 * Start the Android runtime.  This involves starting the virtual machine
771 * and calling the "static void main(String[] args)" method in the class
772 * named by "className".
773 */
774void AndroidRuntime::start(const char* className, const bool startSystemServer)
775{
776    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
777
778    char* slashClassName = NULL;
779    char* cp;
780    JNIEnv* env;
781
782    blockSigpipe();
783
784    /*
785     * 'startSystemServer == true' means runtime is obslete and not run from
786     * init.rc anymore, so we print out the boot start event here.
787     */
788    if (startSystemServer) {
789        /* track our progress through the boot sequence */
790        const int LOG_BOOT_PROGRESS_START = 3000;
791        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
792                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
793    }
794
795    const char* rootDir = getenv("ANDROID_ROOT");
796    if (rootDir == NULL) {
797        rootDir = "/system";
798        if (!hasDir("/system")) {
799            LOG_FATAL("No root directory specified, and /android does not exist.");
800            goto bail;
801        }
802        setenv("ANDROID_ROOT", rootDir, 1);
803    }
804
805    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
806    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
807
808    /* start the virtual machine */
809    if (startVm(&mJavaVM, &env) != 0)
810        goto bail;
811
812    /*
813     * Register android functions.
814     */
815    if (startReg(env) < 0) {
816        LOGE("Unable to register all android natives\n");
817        goto bail;
818    }
819
820    /*
821     * We want to call main() with a String array with arguments in it.
822     * At present we only have one argument, the class name.  Create an
823     * array to hold it.
824     */
825    jclass stringClass;
826    jobjectArray strArray;
827    jstring classNameStr;
828    jstring startSystemServerStr;
829
830    stringClass = env->FindClass("java/lang/String");
831    assert(stringClass != NULL);
832    strArray = env->NewObjectArray(2, stringClass, NULL);
833    assert(strArray != NULL);
834    classNameStr = env->NewStringUTF(className);
835    assert(classNameStr != NULL);
836    env->SetObjectArrayElement(strArray, 0, classNameStr);
837    startSystemServerStr = env->NewStringUTF(startSystemServer ?
838                                                 "true" : "false");
839    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
840
841    /*
842     * Start VM.  This thread becomes the main thread of the VM, and will
843     * not return until the VM exits.
844     */
845    jclass startClass;
846    jmethodID startMeth;
847
848    slashClassName = strdup(className);
849    for (cp = slashClassName; *cp != '\0'; cp++)
850        if (*cp == '.')
851            *cp = '/';
852
853    startClass = env->FindClass(slashClassName);
854    if (startClass == NULL) {
855        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
856        /* keep going */
857    } else {
858        startMeth = env->GetStaticMethodID(startClass, "main",
859            "([Ljava/lang/String;)V");
860        if (startMeth == NULL) {
861            LOGE("JavaVM unable to find main() in '%s'\n", className);
862            /* keep going */
863        } else {
864            env->CallStaticVoidMethod(startClass, startMeth, strArray);
865
866#if 0
867            if (env->ExceptionCheck())
868                threadExitUncaughtException(env);
869#endif
870        }
871    }
872
873    LOGD("Shutting down VM\n");
874    if (mJavaVM->DetachCurrentThread() != JNI_OK)
875        LOGW("Warning: unable to detach main thread\n");
876    if (mJavaVM->DestroyJavaVM() != 0)
877        LOGW("Warning: VM did not shut down cleanly\n");
878
879bail:
880    free(slashClassName);
881}
882
883void AndroidRuntime::start()
884{
885    start("com.android.internal.os.RuntimeInit",
886        false /* Don't start the system server */);
887}
888
889void AndroidRuntime::onExit(int code)
890{
891    LOGI("AndroidRuntime onExit calling exit(%d)", code);
892    exit(code);
893}
894
895/*
896 * Get the JNIEnv pointer for this thread.
897 *
898 * Returns NULL if the slot wasn't allocated or populated.
899 */
900/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
901{
902    JNIEnv* env;
903    JavaVM* vm = AndroidRuntime::getJavaVM();
904    assert(vm != NULL);
905
906    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
907        return NULL;
908    return env;
909}
910
911/*
912 * Makes the current thread visible to the VM.
913 *
914 * The JNIEnv pointer returned is only valid for the current thread, and
915 * thus must be tucked into thread-local storage.
916 */
917static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
918{
919    JavaVMAttachArgs args;
920    JavaVM* vm;
921    jint result;
922
923    vm = AndroidRuntime::getJavaVM();
924    assert(vm != NULL);
925
926    args.version = JNI_VERSION_1_4;
927    args.name = (char*) threadName;
928    args.group = NULL;
929
930    result = vm->AttachCurrentThread(pEnv, (void*) &args);
931    if (result != JNI_OK)
932        LOGE("ERROR: thread attach failed\n");
933
934    return result;
935}
936
937/*
938 * Detach the current thread from the set visible to the VM.
939 */
940static int javaDetachThread(void)
941{
942    JavaVM* vm;
943    jint result;
944
945    vm = AndroidRuntime::getJavaVM();
946    assert(vm != NULL);
947
948    result = vm->DetachCurrentThread();
949    if (result != JNI_OK)
950        LOGE("ERROR: thread detach failed\n");
951    return result;
952}
953
954/*
955 * When starting a native thread that will be visible from the VM, we
956 * bounce through this to get the right attach/detach action.
957 * Note that this function calls free(args)
958 */
959/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
960    void* start = ((void**)args)[0];
961    void* userData = ((void **)args)[1];
962    char* name = (char*) ((void **)args)[2];        // we own this storage
963    free(args);
964    JNIEnv* env;
965    int result;
966
967    /* hook us into the VM */
968    if (javaAttachThread(name, &env) != JNI_OK)
969        return -1;
970
971    /* start the thread running */
972    result = (*(android_thread_func_t)start)(userData);
973
974    /* unhook us */
975    javaDetachThread();
976    free(name);
977
978    return result;
979}
980
981/*
982 * This is invoked from androidCreateThreadEtc() via the callback
983 * set with androidSetCreateThreadFunc().
984 *
985 * We need to create the new thread in such a way that it gets hooked
986 * into the VM before it really starts executing.
987 */
988/*static*/ int AndroidRuntime::javaCreateThreadEtc(
989                                android_thread_func_t entryFunction,
990                                void* userData,
991                                const char* threadName,
992                                int32_t threadPriority,
993                                size_t threadStackSize,
994                                android_thread_id_t* threadId)
995{
996    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
997    int result;
998
999    assert(threadName != NULL);
1000
1001    args[0] = (void*) entryFunction;
1002    args[1] = userData;
1003    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1004
1005    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1006        threadName, threadPriority, threadStackSize, threadId);
1007    return result;
1008}
1009
1010/*
1011 * Create a thread that is visible from the VM.
1012 *
1013 * This is called from elsewhere in the library.
1014 */
1015/*static*/ void AndroidRuntime::createJavaThread(const char* name,
1016    void (*start)(void *), void* arg)
1017{
1018    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1019        ANDROID_PRIORITY_DEFAULT, 0, NULL);
1020}
1021
1022#if 0
1023static void quickTest(void* arg)
1024{
1025    const char* str = (const char*) arg;
1026
1027    printf("In quickTest: %s\n", str);
1028}
1029#endif
1030
1031#ifdef NDEBUG
1032    #define REG_JNI(name)      { name }
1033    struct RegJNIRec {
1034        int (*mProc)(JNIEnv*);
1035    };
1036#else
1037    #define REG_JNI(name)      { name, #name }
1038    struct RegJNIRec {
1039        int (*mProc)(JNIEnv*);
1040        const char* mName;
1041    };
1042#endif
1043
1044typedef void (*RegJAMProc)();
1045
1046static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1047{
1048    for (size_t i = 0; i < count; i++) {
1049        if (array[i].mProc(env) < 0) {
1050#ifndef NDEBUG
1051            LOGD("----------!!! %s failed to load\n", array[i].mName);
1052#endif
1053            return -1;
1054        }
1055    }
1056    return 0;
1057}
1058
1059static void register_jam_procs(const RegJAMProc array[], size_t count)
1060{
1061    for (size_t i = 0; i < count; i++) {
1062        array[i]();
1063    }
1064}
1065
1066static const RegJNIRec gRegJNI[] = {
1067    REG_JNI(register_android_debug_JNITest),
1068    REG_JNI(register_com_android_internal_os_RuntimeInit),
1069    REG_JNI(register_android_os_SystemClock),
1070    REG_JNI(register_android_util_EventLog),
1071    REG_JNI(register_android_util_Log),
1072    REG_JNI(register_android_util_FloatMath),
1073    REG_JNI(register_android_text_format_Time),
1074    REG_JNI(register_android_pim_EventRecurrence),
1075    REG_JNI(register_android_content_AssetManager),
1076    REG_JNI(register_android_content_StringBlock),
1077    REG_JNI(register_android_content_XmlBlock),
1078    REG_JNI(register_android_emoji_EmojiFactory),
1079    REG_JNI(register_android_security_Md5MessageDigest),
1080    REG_JNI(register_android_text_AndroidCharacter),
1081    REG_JNI(register_android_text_KeyCharacterMap),
1082    REG_JNI(register_android_os_Process),
1083    REG_JNI(register_android_os_Binder),
1084    REG_JNI(register_android_os_Hardware),
1085    REG_JNI(register_android_view_Display),
1086    REG_JNI(register_android_nio_utils),
1087    REG_JNI(register_android_graphics_PixelFormat),
1088    REG_JNI(register_android_graphics_Graphics),
1089    REG_JNI(register_android_view_Surface),
1090    REG_JNI(register_android_view_ViewRoot),
1091    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1092    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1093    REG_JNI(register_android_opengl_jni_GLES10),
1094    REG_JNI(register_android_opengl_jni_GLES10Ext),
1095    REG_JNI(register_android_opengl_jni_GLES11),
1096    REG_JNI(register_android_opengl_jni_GLES11Ext),
1097
1098    REG_JNI(register_android_graphics_Bitmap),
1099    REG_JNI(register_android_graphics_BitmapFactory),
1100    REG_JNI(register_android_graphics_Camera),
1101    REG_JNI(register_android_graphics_Canvas),
1102    REG_JNI(register_android_graphics_ColorFilter),
1103    REG_JNI(register_android_graphics_DrawFilter),
1104    REG_JNI(register_android_graphics_Interpolator),
1105    REG_JNI(register_android_graphics_LayerRasterizer),
1106    REG_JNI(register_android_graphics_MaskFilter),
1107    REG_JNI(register_android_graphics_Matrix),
1108    REG_JNI(register_android_graphics_Movie),
1109    REG_JNI(register_android_graphics_NinePatch),
1110    REG_JNI(register_android_graphics_Paint),
1111    REG_JNI(register_android_graphics_Path),
1112    REG_JNI(register_android_graphics_PathMeasure),
1113    REG_JNI(register_android_graphics_PathEffect),
1114    REG_JNI(register_android_graphics_Picture),
1115    REG_JNI(register_android_graphics_PorterDuff),
1116    REG_JNI(register_android_graphics_Rasterizer),
1117    REG_JNI(register_android_graphics_Region),
1118    REG_JNI(register_android_graphics_Shader),
1119    REG_JNI(register_android_graphics_Typeface),
1120    REG_JNI(register_android_graphics_Xfermode),
1121    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1122
1123    REG_JNI(register_android_database_CursorWindow),
1124    REG_JNI(register_android_database_SQLiteDatabase),
1125    REG_JNI(register_android_database_SQLiteDebug),
1126    REG_JNI(register_android_database_SQLiteProgram),
1127    REG_JNI(register_android_database_SQLiteQuery),
1128    REG_JNI(register_android_database_SQLiteStatement),
1129    REG_JNI(register_android_os_Debug),
1130    REG_JNI(register_android_os_FileObserver),
1131    REG_JNI(register_android_os_FileUtils),
1132    REG_JNI(register_android_os_ParcelFileDescriptor),
1133    REG_JNI(register_android_os_Power),
1134    REG_JNI(register_android_os_StatFs),
1135    REG_JNI(register_android_os_SystemProperties),
1136    REG_JNI(register_android_os_UEventObserver),
1137    REG_JNI(register_android_net_LocalSocketImpl),
1138    REG_JNI(register_android_net_NetworkUtils),
1139    REG_JNI(register_android_net_wifi_WifiManager),
1140    REG_JNI(register_android_os_MemoryFile),
1141    REG_JNI(register_com_android_internal_os_ZygoteInit),
1142    REG_JNI(register_android_hardware_Camera),
1143    REG_JNI(register_android_hardware_SensorManager),
1144    REG_JNI(register_android_media_AudioRecord),
1145    REG_JNI(register_android_media_AudioSystem),
1146    REG_JNI(register_android_media_AudioTrack),
1147    REG_JNI(register_android_media_JetPlayer),
1148    REG_JNI(register_android_media_ToneGenerator),
1149
1150    REG_JNI(register_android_opengl_classes),
1151    REG_JNI(register_android_bluetooth_Database),
1152    REG_JNI(register_android_bluetooth_HeadsetBase),
1153    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1154    REG_JNI(register_android_bluetooth_RfcommSocket),
1155    REG_JNI(register_android_bluetooth_ScoSocket),
1156    REG_JNI(register_android_server_BluetoothDeviceService),
1157    REG_JNI(register_android_server_BluetoothEventLoop),
1158    REG_JNI(register_android_server_BluetoothA2dpService),
1159    REG_JNI(register_android_message_digest_sha1),
1160    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1161    REG_JNI(register_android_util_Base64),
1162    REG_JNI(register_android_location_GpsLocationProvider),
1163};
1164
1165/*
1166 * Register android native functions with the VM.
1167 */
1168/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1169{
1170    /*
1171     * This hook causes all future threads created in this process to be
1172     * attached to the JavaVM.  (This needs to go away in favor of JNI
1173     * Attach calls.)
1174     */
1175    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1176
1177    LOGD("--- registering native functions ---\n");
1178
1179    /*
1180     * Every "register" function calls one or more things that return
1181     * a local reference (e.g. FindClass).  Because we haven't really
1182     * started the VM yet, they're all getting stored in the base frame
1183     * and never released.  Use Push/Pop to manage the storage.
1184     */
1185    env->PushLocalFrame(200);
1186
1187    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1188        env->PopLocalFrame(NULL);
1189        return -1;
1190    }
1191    env->PopLocalFrame(NULL);
1192
1193    //createJavaThread("fubar", quickTest, (void*) "hello");
1194
1195    return 0;
1196}
1197
1198AndroidRuntime* AndroidRuntime::getRuntime()
1199{
1200    return gCurRuntime;
1201}
1202
1203/**
1204 * Used by WithFramework to register native functions.
1205 */
1206extern "C"
1207jint Java_com_android_internal_util_WithFramework_registerNatives(
1208        JNIEnv* env, jclass clazz) {
1209    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1210}
1211
1212/**
1213 * Used by LoadClass to register native functions.
1214 */
1215extern "C"
1216jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1217    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1218}
1219
1220}   // namespace android
1221