AndroidRuntime.cpp revision 1c14776a13546fc2642baa251c8f1b7c545b0272 
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 <binder/IBinder.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_Camera(JNIEnv* env);
57extern int register_android_graphics_Graphics(JNIEnv* env);
58extern int register_android_graphics_Interpolator(JNIEnv* env);
59extern int register_android_graphics_LayerRasterizer(JNIEnv*);
60extern int register_android_graphics_MaskFilter(JNIEnv* env);
61extern int register_android_graphics_Movie(JNIEnv* env);
62extern int register_android_graphics_NinePatch(JNIEnv*);
63extern int register_android_graphics_PathEffect(JNIEnv* env);
64extern int register_android_graphics_Region(JNIEnv* env);
65extern int register_android_graphics_Shader(JNIEnv* env);
66extern int register_android_graphics_Typeface(JNIEnv* env);
67
68extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
69extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
70extern int register_android_opengl_jni_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);
74
75extern int register_android_hardware_Camera(JNIEnv *env);
76
77extern int register_android_hardware_SensorManager(JNIEnv *env);
78
79extern int register_android_media_AudioRecord(JNIEnv *env);
80extern int register_android_media_AudioSystem(JNIEnv *env);
81extern int register_android_media_AudioTrack(JNIEnv *env);
82extern int register_android_media_JetPlayer(JNIEnv *env);
83extern int register_android_media_ToneGenerator(JNIEnv *env);
84
85extern int register_android_message_digest_sha1(JNIEnv *env);
86
87extern int register_android_util_FloatMath(JNIEnv* env);
88
89namespace android {
90
91/*
92 * JNI-based registration functions.  Note these are properly contained in
93 * namespace android.
94 */
95extern int register_android_content_AssetManager(JNIEnv* env);
96extern int register_android_util_EventLog(JNIEnv* env);
97extern int register_android_util_Log(JNIEnv* env);
98extern int register_android_content_StringBlock(JNIEnv* env);
99extern int register_android_content_XmlBlock(JNIEnv* env);
100extern int register_android_emoji_EmojiFactory(JNIEnv* env);
101extern int register_android_graphics_Canvas(JNIEnv* env);
102extern int register_android_graphics_ColorFilter(JNIEnv* env);
103extern int register_android_graphics_DrawFilter(JNIEnv* env);
104extern int register_android_graphics_Matrix(JNIEnv* env);
105extern int register_android_graphics_Paint(JNIEnv* env);
106extern int register_android_graphics_Path(JNIEnv* env);
107extern int register_android_graphics_PathMeasure(JNIEnv* env);
108extern int register_android_graphics_Picture(JNIEnv*);
109extern int register_android_graphics_PorterDuff(JNIEnv* env);
110extern int register_android_graphics_Rasterizer(JNIEnv* env);
111extern int register_android_graphics_Xfermode(JNIEnv* env);
112extern int register_android_graphics_PixelFormat(JNIEnv* env);
113extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env);
114extern int register_android_view_Display(JNIEnv* env);
115extern int register_android_view_Surface(JNIEnv* env);
116extern int register_android_view_ViewRoot(JNIEnv* env);
117extern int register_android_database_CursorWindow(JNIEnv* env);
118extern int register_android_database_SQLiteDatabase(JNIEnv* env);
119extern int register_android_database_SQLiteDebug(JNIEnv* env);
120extern int register_android_database_SQLiteProgram(JNIEnv* env);
121extern int register_android_database_SQLiteQuery(JNIEnv* env);
122extern int register_android_database_SQLiteStatement(JNIEnv* env);
123extern int register_android_debug_JNITest(JNIEnv* env);
124extern int register_android_nio_utils(JNIEnv* env);
125extern int register_android_pim_EventRecurrence(JNIEnv* env);
126extern int register_android_text_format_Time(JNIEnv* env);
127extern int register_android_os_Debug(JNIEnv* env);
128extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
129extern int register_android_os_Power(JNIEnv *env);
130extern int register_android_os_StatFs(JNIEnv *env);
131extern int register_android_os_SystemProperties(JNIEnv *env);
132extern int register_android_os_Hardware(JNIEnv* env);
133extern int register_android_os_SystemClock(JNIEnv* env);
134extern int register_android_os_FileObserver(JNIEnv *env);
135extern int register_android_os_FileUtils(JNIEnv *env);
136extern int register_android_os_UEventObserver(JNIEnv* env);
137extern int register_android_os_MemoryFile(JNIEnv* env);
138extern int register_android_net_LocalSocketImpl(JNIEnv* env);
139extern int register_android_net_NetworkUtils(JNIEnv* env);
140extern int register_android_net_wifi_WifiManager(JNIEnv* env);
141extern int register_android_security_Md5MessageDigest(JNIEnv *env);
142extern int register_android_text_AndroidCharacter(JNIEnv *env);
143extern int register_android_text_KeyCharacterMap(JNIEnv *env);
144extern int register_android_opengl_classes(JNIEnv *env);
145extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
146extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
147extern int register_android_bluetooth_BluetoothSocket(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);
156extern int register_android_backup_BackupDataInput(JNIEnv *env);
157extern int register_android_backup_BackupDataOutput(JNIEnv *env);
158extern int register_android_backup_FileBackupHelper(JNIEnv *env);
159extern int register_android_backup_RestoreHelperBase(JNIEnv *env);
160
161static AndroidRuntime* gCurRuntime = NULL;
162
163static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
164{
165    if (jniThrowException(env, exc, msg) != 0)
166        assert(false);
167}
168
169/*
170 * Code written in the Java Programming Language calls here from main().
171 */
172static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
173{
174    gCurRuntime->onStarted();
175}
176
177static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
178{
179    gCurRuntime->onZygoteInit();
180}
181
182static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
183{
184    return 1;
185}
186
187static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
188{
189}
190
191static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
192{
193    char* value = getenv("qwerty");
194    if (value != NULL && strcmp(value, "true") == 0) {
195        return 1;
196    }
197
198    return 0;
199}
200
201/*
202 * JNI registration.
203 */
204static JNINativeMethod gMethods[] = {
205    { "finishInit", "()V",
206        (void*) com_android_internal_os_RuntimeInit_finishInit },
207    { "zygoteInitNative", "()V",
208        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
209    { "isComputerOn", "()I",
210        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
211    { "turnComputerOn", "()V",
212        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
213    { "getQwertyKeyboard", "()I",
214        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
215};
216
217int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
218{
219    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
220        gMethods, NELEM(gMethods));
221}
222
223// ----------------------------------------------------------------------
224
225/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
226
227
228AndroidRuntime::AndroidRuntime()
229{
230    SkGraphics::Init();
231    // this sets our preference for 16bit images during decode
232    // in case the src is opaque and 24bit
233    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
234    // This cache is shared between browser native images, and java "purgeable"
235    // bitmaps. This globalpool is for images that do not either use the java
236    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
237    // java call site.
238    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
239    // There is also a global font cache, but its budget is specified in code
240    // see SkFontHost_android.cpp
241
242    // Pre-allocate enough space to hold a fair number of options.
243    mOptions.setCapacity(20);
244
245    assert(gCurRuntime == NULL);        // one per process
246    gCurRuntime = this;
247}
248
249AndroidRuntime::~AndroidRuntime()
250{
251    SkGraphics::Term();
252}
253
254/*
255 * Register native methods using JNI.
256 */
257/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
258    const char* className, const JNINativeMethod* gMethods, int numMethods)
259{
260    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
261}
262
263/*
264 * Call a static Java Programming Language function that takes no arguments and returns void.
265 */
266status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
267{
268    JNIEnv* env;
269    jclass clazz;
270    jmethodID methodId;
271
272    env = getJNIEnv();
273    if (env == NULL)
274        return UNKNOWN_ERROR;
275
276    clazz = findClass(env, className);
277    if (clazz == NULL) {
278        LOGE("ERROR: could not find class '%s'\n", className);
279        return UNKNOWN_ERROR;
280    }
281    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
282    if (methodId == NULL) {
283        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
284        return UNKNOWN_ERROR;
285    }
286
287    env->CallStaticVoidMethod(clazz, methodId);
288
289    return NO_ERROR;
290}
291
292status_t AndroidRuntime::callMain(
293    const char* className, int argc, const char* const argv[])
294{
295    JNIEnv* env;
296    jclass clazz;
297    jmethodID methodId;
298
299    env = getJNIEnv();
300    if (env == NULL)
301        return UNKNOWN_ERROR;
302
303    clazz = findClass(env, className);
304    if (clazz == NULL) {
305        LOGE("ERROR: could not find class '%s'\n", className);
306        return UNKNOWN_ERROR;
307    }
308
309    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
310    if (methodId == NULL) {
311        LOGE("ERROR: could not find method %s.main(String[])\n", className);
312        return UNKNOWN_ERROR;
313    }
314
315    /*
316     * We want to call main() with a String array with our arguments in it.
317     * Create an array and populate it.
318     */
319    jclass stringClass;
320    jobjectArray strArray;
321
322    stringClass = env->FindClass("java/lang/String");
323    strArray = env->NewObjectArray(argc, stringClass, NULL);
324
325    for (int i = 0; i < argc; i++) {
326        jstring argStr = env->NewStringUTF(argv[i]);
327        env->SetObjectArrayElement(strArray, i, argStr);
328    }
329
330    env->CallStaticVoidMethod(clazz, methodId, strArray);
331    return NO_ERROR;
332}
333
334/*
335 * Find the named class.
336 */
337jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
338{
339    char* convName = NULL;
340
341    if (env->ExceptionCheck()) {
342        LOGE("ERROR: exception pending on entry to findClass()\n");
343        return NULL;
344    }
345
346    /*
347     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
348     * uses the dotted "binary name" format.  We don't need to convert the
349     * name with the new approach.
350     */
351#if 0
352    /* (convName only created if necessary -- use className) */
353    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
354        if (*cp == '.') {
355            if (convName == NULL) {
356                convName = strdup(className);
357                cp = convName + (cp-className);
358                className = convName;
359            }
360            *cp = '/';
361        }
362    }
363#endif
364
365    /*
366     * This is a little awkward because the JNI FindClass call uses the
367     * class loader associated with the native method we're executing in.
368     * Because this native method is part of a "boot" class, JNI doesn't
369     * look for the class in CLASSPATH, which unfortunately is a likely
370     * location for it.  (Had we issued the FindClass call before calling
371     * into the VM -- at which point there isn't a native method frame on
372     * the stack -- the VM would have checked CLASSPATH.  We have to do
373     * this because we call into Java Programming Language code and
374     * bounce back out.)
375     *
376     * JNI lacks a "find class in a specific class loader" operation, so we
377     * have to do things the hard way.
378     */
379    jclass cls = NULL;
380    //cls = env->FindClass(className);
381
382    jclass javaLangClassLoader;
383    jmethodID getSystemClassLoader, loadClass;
384    jobject systemClassLoader;
385    jstring strClassName;
386
387    /* find the "system" class loader; none of this is expected to fail */
388    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
389    assert(javaLangClassLoader != NULL);
390    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
391        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
392    loadClass = env->GetMethodID(javaLangClassLoader,
393        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
394    assert(getSystemClassLoader != NULL && loadClass != NULL);
395    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
396        getSystemClassLoader);
397    assert(systemClassLoader != NULL);
398
399    /* create an object for the class name string; alloc could fail */
400    strClassName = env->NewStringUTF(className);
401    if (env->ExceptionCheck()) {
402        LOGE("ERROR: unable to convert '%s' to string\n", className);
403        goto bail;
404    }
405    LOGV("system class loader is %p, loading %p (%s)\n",
406        systemClassLoader, strClassName, className);
407
408    /* try to find the named class */
409    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
410                        strClassName);
411    if (env->ExceptionCheck()) {
412        LOGE("ERROR: unable to load class '%s' from %p\n",
413            className, systemClassLoader);
414        cls = NULL;
415        goto bail;
416    }
417
418bail:
419    free(convName);
420    return cls;
421}
422
423/*
424 * The VM calls this through the "exit" hook.
425 */
426static void runtime_exit(int code)
427{
428    gCurRuntime->onExit(code);
429    exit(code);
430}
431
432/*
433 * The VM calls this through the "vfprintf" hook.
434 *
435 * We ignore "fp" and just write the results to the log file.
436 */
437static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
438{
439    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
440}
441
442
443/**
444 * Add VM arguments to the to-be-executed VM
445 * Stops at first non '-' argument (also stops at an argument of '--')
446 * Returns the number of args consumed
447 */
448int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
449{
450    int i;
451
452    for (i = 0; i<argc; i++) {
453        if (argv[i][0] != '-') {
454            return i;
455        }
456        if (argv[i][1] == '-' && argv[i][2] == 0) {
457            return i+1;
458        }
459
460        JavaVMOption opt;
461        memset(&opt, 0, sizeof(opt));
462        opt.optionString = (char*)argv[i];
463        mOptions.add(opt);
464    }
465    return i;
466}
467
468static int hasDir(const char* dir)
469{
470    struct stat s;
471    int res = stat(dir, &s);
472    if (res == 0) {
473        return S_ISDIR(s.st_mode);
474    }
475    return 0;
476}
477
478/*
479 * We just want failed write() calls to just return with an error.
480 */
481static void blockSigpipe()
482{
483    sigset_t mask;
484
485    sigemptyset(&mask);
486    sigaddset(&mask, SIGPIPE);
487    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
488        LOGW("WARNING: SIGPIPE not blocked\n");
489}
490
491/*
492 * Read the persistent locale.
493 */
494static void readLocale(char* language, char* region)
495{
496    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
497
498    property_get("persist.sys.language", propLang, "");
499    property_get("persist.sys.country", propRegn, "");
500    if (*propLang == 0 && *propRegn == 0) {
501        /* Set to ro properties, default is en_US */
502        property_get("ro.product.locale.language", propLang, "en");
503        property_get("ro.product.locale.region", propRegn, "US");
504    }
505    strncat(language, propLang, 2);
506    strncat(region, propRegn, 2);
507    //LOGD("language=%s region=%s\n", language, region);
508}
509
510/*
511 * Start the Dalvik Virtual Machine.
512 *
513 * Various arguments, most determined by system properties, are passed in.
514 * The "mOptions" vector is updated.
515 *
516 * Returns 0 on success.
517 */
518int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
519{
520    int result = -1;
521    JavaVMInitArgs initArgs;
522    JavaVMOption opt;
523    char propBuf[PROPERTY_VALUE_MAX];
524    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
525    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
526    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
527    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
528    char* stackTraceFile = NULL;
529    bool checkJni = false;
530    bool checkDexSum = false;
531    bool logStdio = false;
532    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
533
534
535    property_get("dalvik.vm.checkjni", propBuf, "");
536    if (strcmp(propBuf, "true") == 0) {
537        checkJni = true;
538    } else if (strcmp(propBuf, "false") != 0) {
539        /* property is neither true nor false; fall back on kernel parameter */
540        property_get("ro.kernel.android.checkjni", propBuf, "");
541        if (propBuf[0] == '1') {
542            checkJni = true;
543        }
544    }
545
546    property_get("dalvik.vm.execution-mode", propBuf, "");
547    if (strcmp(propBuf, "int:portable") == 0) {
548        executionMode = kEMIntPortable;
549    } else if (strcmp(propBuf, "int:fast") == 0) {
550        executionMode = kEMIntFast;
551    }
552
553    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
554
555    property_get("dalvik.vm.check-dex-sum", propBuf, "");
556    if (strcmp(propBuf, "true") == 0) {
557        checkDexSum = true;
558    }
559
560    property_get("log.redirect-stdio", propBuf, "");
561    if (strcmp(propBuf, "true") == 0) {
562        logStdio = true;
563    }
564
565    strcpy(enableAssertBuf, "-ea:");
566    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
567
568    strcpy(jniOptsBuf, "-Xjniopts:");
569    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
570
571    /* route exit() to our handler */
572    opt.extraInfo = (void*) runtime_exit;
573    opt.optionString = "exit";
574    mOptions.add(opt);
575
576    /* route fprintf() to our handler */
577    opt.extraInfo = (void*) runtime_vfprintf;
578    opt.optionString = "vfprintf";
579    mOptions.add(opt);
580
581    opt.extraInfo = NULL;
582
583    /* enable verbose; standard options are { jni, gc, class } */
584    //options[curOpt++].optionString = "-verbose:jni";
585    opt.optionString = "-verbose:gc";
586    mOptions.add(opt);
587    //options[curOpt++].optionString = "-verbose:class";
588
589#ifdef CUSTOM_RUNTIME_HEAP_MAX
590#define __make_max_heap_opt(val) #val
591#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
592    opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
593#undef __make_max_heap_opt
594#undef _make_max_heap_opt
595#else
596    /* limit memory use to 16MB */
597    opt.optionString = "-Xmx16m";
598#endif
599    mOptions.add(opt);
600
601    /*
602     * Enable or disable dexopt features, such as bytecode verification and
603     * calculation of register maps for precise GC.
604     */
605    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
606    if (dexoptFlagsBuf[0] != '\0') {
607        const char* opc;
608        const char* val;
609
610        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
611        if (opc != NULL) {
612            switch (*(opc+2)) {
613            case 'n':   val = "-Xverify:none";      break;
614            case 'r':   val = "-Xverify:remote";    break;
615            case 'a':   val = "-Xverify:all";       break;
616            default:    val = NULL;                 break;
617            }
618
619            if (val != NULL) {
620                opt.optionString = val;
621                mOptions.add(opt);
622            }
623        }
624
625        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
626        if (opc != NULL) {
627            switch (*(opc+2)) {
628            case 'n':   val = "-Xdexopt:none";      break;
629            case 'v':   val = "-Xdexopt:verified";  break;
630            case 'a':   val = "-Xdexopt:all";       break;
631            default:    val = NULL;                 break;
632            }
633
634            if (val != NULL) {
635                opt.optionString = val;
636                mOptions.add(opt);
637            }
638        }
639
640        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
641        if (opc != NULL) {
642            opt.optionString = "-Xgenregmap";
643            mOptions.add(opt);
644
645            /* turn on precise GC while we're at it */
646            opt.optionString = "-Xgc:precise";
647            mOptions.add(opt);
648        }
649    }
650
651    /* enable debugging; set suspend=y to pause during VM init */
652#ifdef HAVE_ANDROID_OS
653    /* use android ADB transport */
654    opt.optionString =
655        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
656#else
657    /* use TCP socket; address=0 means start at port 8000 and probe up */
658    LOGI("Using TCP socket for JDWP\n");
659    opt.optionString =
660        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
661#endif
662    mOptions.add(opt);
663
664    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
665    property_get("dalvik.vm.deadlock-predict", propBuf, "");
666    if (strlen(propBuf) > 0) {
667        strcpy(enableDPBuf, "-Xdeadlockpredict:");
668        strcat(enableDPBuf, propBuf);
669        opt.optionString = enableDPBuf;
670        mOptions.add(opt);
671    }
672
673    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
674    if (checkJni) {
675        /* extended JNI checking */
676        opt.optionString = "-Xcheck:jni";
677        mOptions.add(opt);
678
679        /* set a cap on JNI global references */
680        opt.optionString = "-Xjnigreflimit:2000";
681        mOptions.add(opt);
682
683        /* with -Xcheck:jni, this provides a JNI function call trace */
684        //opt.optionString = "-verbose:jni";
685        //mOptions.add(opt);
686    }
687    if (executionMode == kEMIntPortable) {
688        opt.optionString = "-Xint:portable";
689        mOptions.add(opt);
690    } else if (executionMode == kEMIntFast) {
691        opt.optionString = "-Xint:fast";
692        mOptions.add(opt);
693    }
694
695    if (checkDexSum) {
696        /* perform additional DEX checksum tests */
697        opt.optionString = "-Xcheckdexsum";
698        mOptions.add(opt);
699    }
700
701    if (logStdio) {
702        /* convert stdout/stderr to log messages */
703        opt.optionString = "-Xlog-stdio";
704        mOptions.add(opt);
705    }
706
707    if (enableAssertBuf[4] != '\0') {
708        /* accept "all" to mean "all classes and packages" */
709        if (strcmp(enableAssertBuf+4, "all") == 0)
710            enableAssertBuf[3] = '\0';
711        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
712        opt.optionString = enableAssertBuf;
713        mOptions.add(opt);
714    } else {
715        LOGV("Assertions disabled\n");
716    }
717
718    if (jniOptsBuf[10] != '\0') {
719        LOGI("JNI options: '%s'\n", jniOptsBuf);
720        opt.optionString = jniOptsBuf;
721        mOptions.add(opt);
722    }
723
724    if (stackTraceFileBuf[0] != '\0') {
725        static const char* stfOptName = "-Xstacktracefile:";
726
727        stackTraceFile = (char*) malloc(strlen(stfOptName) +
728            strlen(stackTraceFileBuf) +1);
729        strcpy(stackTraceFile, stfOptName);
730        strcat(stackTraceFile, stackTraceFileBuf);
731        opt.optionString = stackTraceFile;
732        mOptions.add(opt);
733    }
734
735    /* Set the properties for locale */
736    {
737        char langOption[sizeof("-Duser.language=") + 3];
738        char regionOption[sizeof("-Duser.region=") + 3];
739        strcpy(langOption, "-Duser.language=");
740        strcpy(regionOption, "-Duser.region=");
741        readLocale(langOption, regionOption);
742        opt.extraInfo = NULL;
743        opt.optionString = langOption;
744        mOptions.add(opt);
745        opt.optionString = regionOption;
746        mOptions.add(opt);
747    }
748
749    /*
750     * We don't have /tmp on the device, but we often have an SD card.  Apps
751     * shouldn't use this, but some test suites might want to exercise it.
752     */
753    opt.optionString = "-Djava.io.tmpdir=/sdcard";
754    mOptions.add(opt);
755
756    initArgs.version = JNI_VERSION_1_4;
757    initArgs.options = mOptions.editArray();
758    initArgs.nOptions = mOptions.size();
759    initArgs.ignoreUnrecognized = JNI_FALSE;
760
761    /*
762     * Initialize the VM.
763     *
764     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
765     * If this call succeeds, the VM is ready, and we can start issuing
766     * JNI calls.
767     */
768    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
769        LOGE("JNI_CreateJavaVM failed\n");
770        goto bail;
771    }
772
773    result = 0;
774
775bail:
776    free(stackTraceFile);
777    return result;
778}
779
780/*
781 * Start the Android runtime.  This involves starting the virtual machine
782 * and calling the "static void main(String[] args)" method in the class
783 * named by "className".
784 */
785void AndroidRuntime::start(const char* className, const bool startSystemServer)
786{
787    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
788
789    char* slashClassName = NULL;
790    char* cp;
791    JNIEnv* env;
792
793    blockSigpipe();
794
795    /*
796     * 'startSystemServer == true' means runtime is obslete and not run from
797     * init.rc anymore, so we print out the boot start event here.
798     */
799    if (startSystemServer) {
800        /* track our progress through the boot sequence */
801        const int LOG_BOOT_PROGRESS_START = 3000;
802        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
803                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
804    }
805
806    const char* rootDir = getenv("ANDROID_ROOT");
807    if (rootDir == NULL) {
808        rootDir = "/system";
809        if (!hasDir("/system")) {
810            LOG_FATAL("No root directory specified, and /android does not exist.");
811            goto bail;
812        }
813        setenv("ANDROID_ROOT", rootDir, 1);
814    }
815
816    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
817    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
818
819    /* start the virtual machine */
820    if (startVm(&mJavaVM, &env) != 0)
821        goto bail;
822
823    /*
824     * Register android functions.
825     */
826    if (startReg(env) < 0) {
827        LOGE("Unable to register all android natives\n");
828        goto bail;
829    }
830
831    /*
832     * We want to call main() with a String array with arguments in it.
833     * At present we only have one argument, the class name.  Create an
834     * array to hold it.
835     */
836    jclass stringClass;
837    jobjectArray strArray;
838    jstring classNameStr;
839    jstring startSystemServerStr;
840
841    stringClass = env->FindClass("java/lang/String");
842    assert(stringClass != NULL);
843    strArray = env->NewObjectArray(2, stringClass, NULL);
844    assert(strArray != NULL);
845    classNameStr = env->NewStringUTF(className);
846    assert(classNameStr != NULL);
847    env->SetObjectArrayElement(strArray, 0, classNameStr);
848    startSystemServerStr = env->NewStringUTF(startSystemServer ?
849                                                 "true" : "false");
850    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
851
852    /*
853     * Start VM.  This thread becomes the main thread of the VM, and will
854     * not return until the VM exits.
855     */
856    jclass startClass;
857    jmethodID startMeth;
858
859    slashClassName = strdup(className);
860    for (cp = slashClassName; *cp != '\0'; cp++)
861        if (*cp == '.')
862            *cp = '/';
863
864    startClass = env->FindClass(slashClassName);
865    if (startClass == NULL) {
866        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
867        /* keep going */
868    } else {
869        startMeth = env->GetStaticMethodID(startClass, "main",
870            "([Ljava/lang/String;)V");
871        if (startMeth == NULL) {
872            LOGE("JavaVM unable to find main() in '%s'\n", className);
873            /* keep going */
874        } else {
875            env->CallStaticVoidMethod(startClass, startMeth, strArray);
876
877#if 0
878            if (env->ExceptionCheck())
879                threadExitUncaughtException(env);
880#endif
881        }
882    }
883
884    LOGD("Shutting down VM\n");
885    if (mJavaVM->DetachCurrentThread() != JNI_OK)
886        LOGW("Warning: unable to detach main thread\n");
887    if (mJavaVM->DestroyJavaVM() != 0)
888        LOGW("Warning: VM did not shut down cleanly\n");
889
890bail:
891    free(slashClassName);
892}
893
894void AndroidRuntime::start()
895{
896    start("com.android.internal.os.RuntimeInit",
897        false /* Don't start the system server */);
898}
899
900void AndroidRuntime::onExit(int code)
901{
902    LOGI("AndroidRuntime onExit calling exit(%d)", code);
903    exit(code);
904}
905
906/*
907 * Get the JNIEnv pointer for this thread.
908 *
909 * Returns NULL if the slot wasn't allocated or populated.
910 */
911/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
912{
913    JNIEnv* env;
914    JavaVM* vm = AndroidRuntime::getJavaVM();
915    assert(vm != NULL);
916
917    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
918        return NULL;
919    return env;
920}
921
922/*
923 * Makes the current thread visible to the VM.
924 *
925 * The JNIEnv pointer returned is only valid for the current thread, and
926 * thus must be tucked into thread-local storage.
927 */
928static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
929{
930    JavaVMAttachArgs args;
931    JavaVM* vm;
932    jint result;
933
934    vm = AndroidRuntime::getJavaVM();
935    assert(vm != NULL);
936
937    args.version = JNI_VERSION_1_4;
938    args.name = (char*) threadName;
939    args.group = NULL;
940
941    result = vm->AttachCurrentThread(pEnv, (void*) &args);
942    if (result != JNI_OK)
943        LOGE("ERROR: thread attach failed\n");
944
945    return result;
946}
947
948/*
949 * Detach the current thread from the set visible to the VM.
950 */
951static int javaDetachThread(void)
952{
953    JavaVM* vm;
954    jint result;
955
956    vm = AndroidRuntime::getJavaVM();
957    assert(vm != NULL);
958
959    result = vm->DetachCurrentThread();
960    if (result != JNI_OK)
961        LOGE("ERROR: thread detach failed\n");
962    return result;
963}
964
965/*
966 * When starting a native thread that will be visible from the VM, we
967 * bounce through this to get the right attach/detach action.
968 * Note that this function calls free(args)
969 */
970/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
971    void* start = ((void**)args)[0];
972    void* userData = ((void **)args)[1];
973    char* name = (char*) ((void **)args)[2];        // we own this storage
974    free(args);
975    JNIEnv* env;
976    int result;
977
978    /* hook us into the VM */
979    if (javaAttachThread(name, &env) != JNI_OK)
980        return -1;
981
982    /* start the thread running */
983    result = (*(android_thread_func_t)start)(userData);
984
985    /* unhook us */
986    javaDetachThread();
987    free(name);
988
989    return result;
990}
991
992/*
993 * This is invoked from androidCreateThreadEtc() via the callback
994 * set with androidSetCreateThreadFunc().
995 *
996 * We need to create the new thread in such a way that it gets hooked
997 * into the VM before it really starts executing.
998 */
999/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1000                                android_thread_func_t entryFunction,
1001                                void* userData,
1002                                const char* threadName,
1003                                int32_t threadPriority,
1004                                size_t threadStackSize,
1005                                android_thread_id_t* threadId)
1006{
1007    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1008    int result;
1009
1010    assert(threadName != NULL);
1011
1012    args[0] = (void*) entryFunction;
1013    args[1] = userData;
1014    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1015
1016    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1017        threadName, threadPriority, threadStackSize, threadId);
1018    return result;
1019}
1020
1021/*
1022 * Create a thread that is visible from the VM.
1023 *
1024 * This is called from elsewhere in the library.
1025 */
1026/*static*/ void AndroidRuntime::createJavaThread(const char* name,
1027    void (*start)(void *), void* arg)
1028{
1029    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1030        ANDROID_PRIORITY_DEFAULT, 0, NULL);
1031}
1032
1033#if 0
1034static void quickTest(void* arg)
1035{
1036    const char* str = (const char*) arg;
1037
1038    printf("In quickTest: %s\n", str);
1039}
1040#endif
1041
1042#ifdef NDEBUG
1043    #define REG_JNI(name)      { name }
1044    struct RegJNIRec {
1045        int (*mProc)(JNIEnv*);
1046    };
1047#else
1048    #define REG_JNI(name)      { name, #name }
1049    struct RegJNIRec {
1050        int (*mProc)(JNIEnv*);
1051        const char* mName;
1052    };
1053#endif
1054
1055typedef void (*RegJAMProc)();
1056
1057static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1058{
1059    for (size_t i = 0; i < count; i++) {
1060        if (array[i].mProc(env) < 0) {
1061#ifndef NDEBUG
1062            LOGD("----------!!! %s failed to load\n", array[i].mName);
1063#endif
1064            return -1;
1065        }
1066    }
1067    return 0;
1068}
1069
1070static void register_jam_procs(const RegJAMProc array[], size_t count)
1071{
1072    for (size_t i = 0; i < count; i++) {
1073        array[i]();
1074    }
1075}
1076
1077static const RegJNIRec gRegJNI[] = {
1078    REG_JNI(register_android_debug_JNITest),
1079    REG_JNI(register_com_android_internal_os_RuntimeInit),
1080    REG_JNI(register_android_os_SystemClock),
1081    REG_JNI(register_android_util_EventLog),
1082    REG_JNI(register_android_util_Log),
1083    REG_JNI(register_android_util_FloatMath),
1084    REG_JNI(register_android_text_format_Time),
1085    REG_JNI(register_android_pim_EventRecurrence),
1086    REG_JNI(register_android_content_AssetManager),
1087    REG_JNI(register_android_content_StringBlock),
1088    REG_JNI(register_android_content_XmlBlock),
1089    REG_JNI(register_android_emoji_EmojiFactory),
1090    REG_JNI(register_android_security_Md5MessageDigest),
1091    REG_JNI(register_android_text_AndroidCharacter),
1092    REG_JNI(register_android_text_KeyCharacterMap),
1093    REG_JNI(register_android_os_Process),
1094    REG_JNI(register_android_os_Binder),
1095    REG_JNI(register_android_os_Hardware),
1096    REG_JNI(register_android_view_Display),
1097    REG_JNI(register_android_nio_utils),
1098    REG_JNI(register_android_graphics_PixelFormat),
1099    REG_JNI(register_android_graphics_Graphics),
1100    REG_JNI(register_android_view_Surface),
1101    REG_JNI(register_android_view_ViewRoot),
1102    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1103    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1104    REG_JNI(register_android_opengl_jni_GLES10),
1105    REG_JNI(register_android_opengl_jni_GLES10Ext),
1106    REG_JNI(register_android_opengl_jni_GLES11),
1107    REG_JNI(register_android_opengl_jni_GLES11Ext),
1108
1109    REG_JNI(register_android_graphics_Bitmap),
1110    REG_JNI(register_android_graphics_BitmapFactory),
1111    REG_JNI(register_android_graphics_Camera),
1112    REG_JNI(register_android_graphics_Canvas),
1113    REG_JNI(register_android_graphics_ColorFilter),
1114    REG_JNI(register_android_graphics_DrawFilter),
1115    REG_JNI(register_android_graphics_Interpolator),
1116    REG_JNI(register_android_graphics_LayerRasterizer),
1117    REG_JNI(register_android_graphics_MaskFilter),
1118    REG_JNI(register_android_graphics_Matrix),
1119    REG_JNI(register_android_graphics_Movie),
1120    REG_JNI(register_android_graphics_NinePatch),
1121    REG_JNI(register_android_graphics_Paint),
1122    REG_JNI(register_android_graphics_Path),
1123    REG_JNI(register_android_graphics_PathMeasure),
1124    REG_JNI(register_android_graphics_PathEffect),
1125    REG_JNI(register_android_graphics_Picture),
1126    REG_JNI(register_android_graphics_PorterDuff),
1127    REG_JNI(register_android_graphics_Rasterizer),
1128    REG_JNI(register_android_graphics_Region),
1129    REG_JNI(register_android_graphics_Shader),
1130    REG_JNI(register_android_graphics_Typeface),
1131    REG_JNI(register_android_graphics_Xfermode),
1132    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1133
1134    REG_JNI(register_android_database_CursorWindow),
1135    REG_JNI(register_android_database_SQLiteDatabase),
1136    REG_JNI(register_android_database_SQLiteDebug),
1137    REG_JNI(register_android_database_SQLiteProgram),
1138    REG_JNI(register_android_database_SQLiteQuery),
1139    REG_JNI(register_android_database_SQLiteStatement),
1140    REG_JNI(register_android_os_Debug),
1141    REG_JNI(register_android_os_FileObserver),
1142    REG_JNI(register_android_os_FileUtils),
1143    REG_JNI(register_android_os_ParcelFileDescriptor),
1144    REG_JNI(register_android_os_Power),
1145    REG_JNI(register_android_os_StatFs),
1146    REG_JNI(register_android_os_SystemProperties),
1147    REG_JNI(register_android_os_UEventObserver),
1148    REG_JNI(register_android_net_LocalSocketImpl),
1149    REG_JNI(register_android_net_NetworkUtils),
1150    REG_JNI(register_android_net_wifi_WifiManager),
1151    REG_JNI(register_android_os_MemoryFile),
1152    REG_JNI(register_com_android_internal_os_ZygoteInit),
1153    REG_JNI(register_android_hardware_Camera),
1154    REG_JNI(register_android_hardware_SensorManager),
1155    REG_JNI(register_android_media_AudioRecord),
1156    REG_JNI(register_android_media_AudioSystem),
1157    REG_JNI(register_android_media_AudioTrack),
1158    REG_JNI(register_android_media_JetPlayer),
1159    REG_JNI(register_android_media_ToneGenerator),
1160
1161    REG_JNI(register_android_opengl_classes),
1162    REG_JNI(register_android_bluetooth_HeadsetBase),
1163    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1164    REG_JNI(register_android_bluetooth_BluetoothSocket),
1165    REG_JNI(register_android_bluetooth_ScoSocket),
1166    REG_JNI(register_android_server_BluetoothDeviceService),
1167    REG_JNI(register_android_server_BluetoothEventLoop),
1168    REG_JNI(register_android_server_BluetoothA2dpService),
1169    REG_JNI(register_android_message_digest_sha1),
1170    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1171    REG_JNI(register_android_util_Base64),
1172    REG_JNI(register_android_location_GpsLocationProvider),
1173    REG_JNI(register_android_backup_BackupDataInput),
1174    REG_JNI(register_android_backup_BackupDataOutput),
1175    REG_JNI(register_android_backup_FileBackupHelper),
1176    REG_JNI(register_android_backup_RestoreHelperBase),
1177};
1178
1179/*
1180 * Register android native functions with the VM.
1181 */
1182/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1183{
1184    /*
1185     * This hook causes all future threads created in this process to be
1186     * attached to the JavaVM.  (This needs to go away in favor of JNI
1187     * Attach calls.)
1188     */
1189    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1190
1191    LOGD("--- registering native functions ---\n");
1192
1193    /*
1194     * Every "register" function calls one or more things that return
1195     * a local reference (e.g. FindClass).  Because we haven't really
1196     * started the VM yet, they're all getting stored in the base frame
1197     * and never released.  Use Push/Pop to manage the storage.
1198     */
1199    env->PushLocalFrame(200);
1200
1201    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1202        env->PopLocalFrame(NULL);
1203        return -1;
1204    }
1205    env->PopLocalFrame(NULL);
1206
1207    //createJavaThread("fubar", quickTest, (void*) "hello");
1208
1209    return 0;
1210}
1211
1212AndroidRuntime* AndroidRuntime::getRuntime()
1213{
1214    return gCurRuntime;
1215}
1216
1217/**
1218 * Used by WithFramework to register native functions.
1219 */
1220extern "C"
1221jint Java_com_android_internal_util_WithFramework_registerNatives(
1222        JNIEnv* env, jclass clazz) {
1223    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1224}
1225
1226/**
1227 * Used by LoadClass to register native functions.
1228 */
1229extern "C"
1230jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1231    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1232}
1233
1234}   // namespace android
1235