AndroidRuntime.cpp revision fc8db53eee11568b286e8d9c17e211bd6781fab6 
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#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_Exec(JNIEnv *env);
134extern int register_android_os_SystemClock(JNIEnv* env);
135extern int register_android_os_FileObserver(JNIEnv *env);
136extern int register_android_os_FileUtils(JNIEnv *env);
137extern int register_android_os_UEventObserver(JNIEnv* env);
138extern int register_android_os_MemoryFile(JNIEnv* env);
139extern int register_android_net_LocalSocketImpl(JNIEnv* env);
140extern int register_android_net_NetworkUtils(JNIEnv* env);
141extern int register_android_net_wifi_WifiManager(JNIEnv* env);
142extern int register_android_security_Md5MessageDigest(JNIEnv *env);
143extern int register_android_text_AndroidCharacter(JNIEnv *env);
144extern int register_android_text_KeyCharacterMap(JNIEnv *env);
145extern int register_android_opengl_classes(JNIEnv *env);
146extern int register_android_bluetooth_Database(JNIEnv* env);
147extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
148extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
149extern int register_android_bluetooth_RfcommSocket(JNIEnv *env);
150extern int register_android_bluetooth_ScoSocket(JNIEnv *env);
151extern int register_android_server_BluetoothDeviceService(JNIEnv* env);
152extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
153extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
154extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
155extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
156extern int register_android_util_Base64(JNIEnv* env);
157extern int register_android_location_GpsLocationProvider(JNIEnv* env);
158
159static AndroidRuntime* gCurRuntime = NULL;
160
161static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
162{
163    if (jniThrowException(env, exc, msg) != 0)
164        assert(false);
165}
166
167/*
168 * Code written in the Java Programming Language calls here from main().
169 */
170static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
171{
172    gCurRuntime->onStarted();
173}
174
175static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
176{
177    gCurRuntime->onZygoteInit();
178}
179
180static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
181{
182    return 1;
183}
184
185static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
186{
187}
188
189static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
190{
191    char* value = getenv("qwerty");
192    if (value != NULL && strcmp(value, "true") == 0) {
193        return 1;
194    }
195
196    return 0;
197}
198
199/*
200 * JNI registration.
201 */
202static JNINativeMethod gMethods[] = {
203    { "finishInit", "()V",
204        (void*) com_android_internal_os_RuntimeInit_finishInit },
205    { "zygoteInitNative", "()V",
206        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
207    { "isComputerOn", "()I",
208        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
209    { "turnComputerOn", "()V",
210        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
211    { "getQwertyKeyboard", "()I",
212        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
213};
214
215int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
216{
217    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
218        gMethods, NELEM(gMethods));
219}
220
221// ----------------------------------------------------------------------
222
223/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
224
225
226AndroidRuntime::AndroidRuntime()
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
261/*
262 * Call a static Java Programming Language function that takes no arguments and returns void.
263 */
264status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
265{
266    JNIEnv* env;
267    jclass clazz;
268    jmethodID methodId;
269
270    env = getJNIEnv();
271    if (env == NULL)
272        return UNKNOWN_ERROR;
273
274    clazz = findClass(env, className);
275    if (clazz == NULL) {
276        LOGE("ERROR: could not find class '%s'\n", className);
277        return UNKNOWN_ERROR;
278    }
279    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
280    if (methodId == NULL) {
281        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
282        return UNKNOWN_ERROR;
283    }
284
285    env->CallStaticVoidMethod(clazz, methodId);
286
287    return NO_ERROR;
288}
289
290status_t AndroidRuntime::callMain(
291    const char* className, int argc, const char* const argv[])
292{
293    JNIEnv* env;
294    jclass clazz;
295    jmethodID methodId;
296
297    env = getJNIEnv();
298    if (env == NULL)
299        return UNKNOWN_ERROR;
300
301    clazz = findClass(env, className);
302    if (clazz == NULL) {
303        LOGE("ERROR: could not find class '%s'\n", className);
304        return UNKNOWN_ERROR;
305    }
306
307    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
308    if (methodId == NULL) {
309        LOGE("ERROR: could not find method %s.main(String[])\n", className);
310        return UNKNOWN_ERROR;
311    }
312
313    /*
314     * We want to call main() with a String array with our arguments in it.
315     * Create an array and populate it.
316     */
317    jclass stringClass;
318    jobjectArray strArray;
319
320    stringClass = env->FindClass("java/lang/String");
321    strArray = env->NewObjectArray(argc, stringClass, NULL);
322
323    for (int i = 0; i < argc; i++) {
324        jstring argStr = env->NewStringUTF(argv[i]);
325        env->SetObjectArrayElement(strArray, i, argStr);
326    }
327
328    env->CallStaticVoidMethod(clazz, methodId, strArray);
329    return NO_ERROR;
330}
331
332/*
333 * Find the named class.
334 */
335jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
336{
337    char* convName = NULL;
338
339    if (env->ExceptionCheck()) {
340        LOGE("ERROR: exception pending on entry to findClass()\n");
341        return NULL;
342    }
343
344    /*
345     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
346     * uses the dotted "binary name" format.  We don't need to convert the
347     * name with the new approach.
348     */
349#if 0
350    /* (convName only created if necessary -- use className) */
351    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
352        if (*cp == '.') {
353            if (convName == NULL) {
354                convName = strdup(className);
355                cp = convName + (cp-className);
356                className = convName;
357            }
358            *cp = '/';
359        }
360    }
361#endif
362
363    /*
364     * This is a little awkward because the JNI FindClass call uses the
365     * class loader associated with the native method we're executing in.
366     * Because this native method is part of a "boot" class, JNI doesn't
367     * look for the class in CLASSPATH, which unfortunately is a likely
368     * location for it.  (Had we issued the FindClass call before calling
369     * into the VM -- at which point there isn't a native method frame on
370     * the stack -- the VM would have checked CLASSPATH.  We have to do
371     * this because we call into Java Programming Language code and
372     * bounce back out.)
373     *
374     * JNI lacks a "find class in a specific class loader" operation, so we
375     * have to do things the hard way.
376     */
377    jclass cls = NULL;
378    //cls = env->FindClass(className);
379
380    jclass javaLangClassLoader;
381    jmethodID getSystemClassLoader, loadClass;
382    jobject systemClassLoader;
383    jstring strClassName;
384
385    /* find the "system" class loader; none of this is expected to fail */
386    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
387    assert(javaLangClassLoader != NULL);
388    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
389        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
390    loadClass = env->GetMethodID(javaLangClassLoader,
391        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
392    assert(getSystemClassLoader != NULL && loadClass != NULL);
393    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
394        getSystemClassLoader);
395    assert(systemClassLoader != NULL);
396
397    /* create an object for the class name string; alloc could fail */
398    strClassName = env->NewStringUTF(className);
399    if (env->ExceptionCheck()) {
400        LOGE("ERROR: unable to convert '%s' to string\n", className);
401        goto bail;
402    }
403    LOGV("system class loader is %p, loading %p (%s)\n",
404        systemClassLoader, strClassName, className);
405
406    /* try to find the named class */
407    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
408                        strClassName);
409    if (env->ExceptionCheck()) {
410        LOGE("ERROR: unable to load class '%s' from %p\n",
411            className, systemClassLoader);
412        cls = NULL;
413        goto bail;
414    }
415
416bail:
417    free(convName);
418    return cls;
419}
420
421/*
422 * The VM calls this through the "exit" hook.
423 */
424static void runtime_exit(int code)
425{
426    gCurRuntime->onExit(code);
427    exit(code);
428}
429
430/*
431 * The VM calls this through the "vfprintf" hook.
432 *
433 * We ignore "fp" and just write the results to the log file.
434 */
435static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
436{
437    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
438}
439
440
441/**
442 * Add VM arguments to the to-be-executed VM
443 * Stops at first non '-' argument (also stops at an argument of '--')
444 * Returns the number of args consumed
445 */
446int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
447{
448    int i;
449
450    for (i = 0; i<argc; i++) {
451        if (argv[i][0] != '-') {
452            return i;
453        }
454        if (argv[i][1] == '-' && argv[i][2] == 0) {
455            return i+1;
456        }
457
458        JavaVMOption opt;
459        memset(&opt, 0, sizeof(opt));
460        opt.optionString = (char*)argv[i];
461        mOptions.add(opt);
462    }
463    return i;
464}
465
466static int hasDir(const char* dir)
467{
468    struct stat s;
469    int res = stat(dir, &s);
470    if (res == 0) {
471        return S_ISDIR(s.st_mode);
472    }
473    return 0;
474}
475
476/*
477 * We just want failed write() calls to just return with an error.
478 */
479static void blockSigpipe()
480{
481    sigset_t mask;
482
483    sigemptyset(&mask);
484    sigaddset(&mask, SIGPIPE);
485    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
486        LOGW("WARNING: SIGPIPE not blocked\n");
487}
488
489/*
490 * Read the persistent locale.
491 */
492static void readLocale(char* language, char* region)
493{
494    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
495
496    property_get("persist.sys.language", propLang, "");
497    property_get("persist.sys.country", propRegn, "");
498    if (*propLang == 0 && *propRegn == 0) {
499        /* Set to ro properties, default is en_US */
500        property_get("ro.product.locale.language", propLang, "en");
501        property_get("ro.product.locale.region", propRegn, "US");
502    }
503    strncat(language, propLang, 2);
504    strncat(region, propRegn, 2);
505    //LOGD("language=%s region=%s\n", language, region);
506}
507
508void AndroidRuntime::start(const char* className, const bool startSystemServer)
509{
510    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
511
512    JNIEnv* env;
513    JavaVMInitArgs initArgs;
514    JavaVMOption opt;
515    char propBuf[PROPERTY_VALUE_MAX];
516    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
517    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
518    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
519    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
520    char* stackTraceFile = NULL;
521    char* slashClassName = NULL;
522    char* cp;
523    bool checkJni = false;
524    bool logStdio = false;
525    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
526
527    blockSigpipe();
528
529    /*
530     * 'startSystemServer == true' means runtime is obslete and not run from
531     * init.rc anymore, so we print out the boot start event here.
532     */
533    if (startSystemServer) {
534        /* track our progress through the boot sequence */
535        const int LOG_BOOT_PROGRESS_START = 3000;
536        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
537                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
538    }
539
540    property_get("dalvik.vm.checkjni", propBuf, "");
541    if (strcmp(propBuf, "true") == 0) {
542        checkJni = true;
543    } else if (strcmp(propBuf, "false") != 0) {
544        /* property is neither true nor false; fall back on kernel parameter */
545        property_get("ro.kernel.android.checkjni", propBuf, "");
546        if (propBuf[0] == '1') {
547            checkJni = true;
548        }
549    }
550
551    property_get("dalvik.vm.execution-mode", propBuf, "");
552    if (strcmp(propBuf, "int:portable") == 0) {
553        executionMode = kEMIntPortable;
554    } else if (strcmp(propBuf, "int:fast") == 0) {
555        executionMode = kEMIntFast;
556    }
557
558    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
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    const char* rootDir = getenv("ANDROID_ROOT");
572    if (rootDir == NULL) {
573        rootDir = "/system";
574        if (!hasDir("/system")) {
575            LOG_FATAL("No root directory specified, and /android does not exist.");
576            return;
577        }
578        setenv("ANDROID_ROOT", rootDir, 1);
579    }
580
581    const char* kernelHack = getenv("LD_ASSUME_KERNEL");
582    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
583
584    /* route exit() to our handler */
585    opt.extraInfo = (void*) runtime_exit;
586    opt.optionString = "exit";
587    mOptions.add(opt);
588
589    /* route fprintf() to our handler */
590    opt.extraInfo = (void*) runtime_vfprintf;
591    opt.optionString = "vfprintf";
592    mOptions.add(opt);
593
594    opt.extraInfo = NULL;
595
596    /* enable verbose; standard options are { jni, gc, class } */
597    //options[curOpt++].optionString = "-verbose:jni";
598    opt.optionString = "-verbose:gc";
599    mOptions.add(opt);
600    //options[curOpt++].optionString = "-verbose:class";
601
602#ifdef CUSTOM_RUNTIME_HEAP_MAX
603#define __make_max_heap_opt(val) #val
604#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
605    opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
606#undef __make_max_heap_opt
607#undef _make_max_heap_opt
608#else
609    /* limit memory use to 16MB */
610    opt.optionString = "-Xmx16m";
611#endif
612    mOptions.add(opt);
613
614    /*
615     * Enable or disable dexopt features, such as bytecode verification and
616     * calculation of register maps for precise GC.
617     */
618    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
619    if (dexoptFlagsBuf[0] != '\0') {
620        const char* opc;
621        const char* val;
622
623        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
624        if (opc != NULL) {
625            switch (*(opc+2)) {
626            case 'n':   val = "-Xverify:none";      break;
627            case 'r':   val = "-Xverify:remote";    break;
628            case 'a':   val = "-Xverify:all";       break;
629            default:    val = NULL;                 break;
630            }
631
632            if (val != NULL) {
633                opt.optionString = val;
634                mOptions.add(opt);
635            }
636        }
637
638        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
639        if (opc != NULL) {
640            switch (*(opc+2)) {
641            case 'n':   val = "-Xdexopt:none";      break;
642            case 'v':   val = "-Xdexopt:verified";  break;
643            case 'a':   val = "-Xdexopt:all";       break;
644            default:    val = NULL;                 break;
645            }
646
647            if (val != NULL) {
648                opt.optionString = val;
649                mOptions.add(opt);
650            }
651        }
652
653        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
654        if (opc != NULL) {
655            opt.optionString = "-Xgenregmap";
656            mOptions.add(opt);
657        }
658    }
659
660    /* enable debugging; set suspend=y to pause during VM init */
661#ifdef HAVE_ANDROID_OS
662    /* use android ADB transport */
663    opt.optionString =
664        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
665#else
666    /* use TCP socket; address=0 means start at port 8000 and probe up */
667    LOGI("Using TCP socket for JDWP\n");
668    opt.optionString =
669        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
670#endif
671    mOptions.add(opt);
672
673    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
674    property_get("dalvik.vm.deadlock-predict", propBuf, "");
675    if (strlen(propBuf) > 0) {
676        strcpy(enableDPBuf, "-Xdeadlockpredict:");
677        strcat(enableDPBuf, propBuf);
678        opt.optionString = enableDPBuf;
679        mOptions.add(opt);
680    }
681
682    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
683    if (checkJni) {
684        /* extended JNI checking */
685        opt.optionString = "-Xcheck:jni";
686        mOptions.add(opt);
687
688        /* set a cap on JNI global references */
689        opt.optionString = "-Xjnigreflimit:2000";
690        mOptions.add(opt);
691
692        /* with -Xcheck:jni, this provides a JNI function call trace */
693        //opt.optionString = "-verbose:jni";
694        //mOptions.add(opt);
695    }
696    if (executionMode == kEMIntPortable) {
697        opt.optionString = "-Xint:portable";
698        mOptions.add(opt);
699    } else if (executionMode == kEMIntFast) {
700        opt.optionString = "-Xint:fast";
701        mOptions.add(opt);
702    }
703    if (logStdio) {
704        /* convert stdout/stderr to log messages */
705        opt.optionString = "-Xlog-stdio";
706        mOptions.add(opt);
707    }
708
709    if (enableAssertBuf[4] != '\0') {
710        /* accept "all" to mean "all classes and packages" */
711        if (strcmp(enableAssertBuf+4, "all") == 0)
712            enableAssertBuf[3] = '\0';
713        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
714        opt.optionString = enableAssertBuf;
715        mOptions.add(opt);
716    } else {
717        LOGV("Assertions disabled\n");
718    }
719
720    if (jniOptsBuf[10] != '\0') {
721        LOGI("JNI options: '%s'\n", jniOptsBuf);
722        opt.optionString = jniOptsBuf;
723        mOptions.add(opt);
724    }
725
726    if (stackTraceFileBuf[0] != '\0') {
727        static const char* stfOptName = "-Xstacktracefile:";
728
729        stackTraceFile = (char*) malloc(strlen(stfOptName) +
730            strlen(stackTraceFileBuf) +1);
731        strcpy(stackTraceFile, stfOptName);
732        strcat(stackTraceFile, stackTraceFileBuf);
733        opt.optionString = stackTraceFile;
734        mOptions.add(opt);
735    }
736
737    /* Set the properties for locale */
738    {
739        char langOption[sizeof("-Duser.language=") + 3];
740        char regionOption[sizeof("-Duser.region=") + 3];
741        strcpy(langOption, "-Duser.language=");
742        strcpy(regionOption, "-Duser.region=");
743        readLocale(langOption, regionOption);
744        opt.extraInfo = NULL;
745        opt.optionString = langOption;
746        mOptions.add(opt);
747        opt.optionString = regionOption;
748        mOptions.add(opt);
749    }
750
751    /*
752     * We don't have /tmp on the device, but we often have an SD card.  Apps
753     * shouldn't use this, but some test suites might want to exercise it.
754     */
755    opt.optionString = "-Djava.io.tmpdir=/sdcard";
756    mOptions.add(opt);
757
758    initArgs.version = JNI_VERSION_1_4;
759    initArgs.options = mOptions.editArray();
760    initArgs.nOptions = mOptions.size();
761    initArgs.ignoreUnrecognized = JNI_FALSE;
762
763    /*
764     * Initialize the VM.
765     *
766     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
767     * If this call succeeds, the VM is ready, and we can start issuing
768     * JNI calls.
769     */
770    if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) {
771        LOGE("JNI_CreateJavaVM failed\n");
772        goto bail;
773    }
774
775    /*
776     * Register android functions.
777     */
778    if (startReg(env) < 0) {
779        LOGE("Unable to register all android natives\n");
780        goto bail;
781    }
782
783    /*
784     * We want to call main() with a String array with arguments in it.
785     * At present we only have one argument, the class name.  Create an
786     * array to hold it.
787     */
788    jclass stringClass;
789    jobjectArray strArray;
790    jstring classNameStr;
791    jstring startSystemServerStr;
792
793    stringClass = env->FindClass("java/lang/String");
794    assert(stringClass != NULL);
795    strArray = env->NewObjectArray(2, stringClass, NULL);
796    assert(strArray != NULL);
797    classNameStr = env->NewStringUTF(className);
798    assert(classNameStr != NULL);
799    env->SetObjectArrayElement(strArray, 0, classNameStr);
800    startSystemServerStr = env->NewStringUTF(startSystemServer ?
801                                                 "true" : "false");
802    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
803
804    /*
805     * Start VM.  This thread becomes the main thread of the VM, and will
806     * not return until the VM exits.
807     */
808    jclass startClass;
809    jmethodID startMeth;
810
811    slashClassName = strdup(className);
812    for (cp = slashClassName; *cp != '\0'; cp++)
813        if (*cp == '.')
814            *cp = '/';
815
816    startClass = env->FindClass(slashClassName);
817    if (startClass == NULL) {
818        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
819        /* keep going */
820    } else {
821        startMeth = env->GetStaticMethodID(startClass, "main",
822            "([Ljava/lang/String;)V");
823        if (startMeth == NULL) {
824            LOGE("JavaVM unable to find main() in '%s'\n", className);
825            /* keep going */
826        } else {
827            env->CallStaticVoidMethod(startClass, startMeth, strArray);
828
829#if 0
830            if (env->ExceptionCheck())
831                threadExitUncaughtException(env);
832#endif
833        }
834    }
835
836    LOGD("Shutting down VM\n");
837    if (mJavaVM->DetachCurrentThread() != JNI_OK)
838        LOGW("Warning: unable to detach main thread\n");
839    if (mJavaVM->DestroyJavaVM() != 0)
840        LOGW("Warning: VM did not shut down cleanly\n");
841
842bail:
843    free(slashClassName);
844    free(stackTraceFile);
845}
846
847void AndroidRuntime::start()
848{
849    start("com.android.internal.os.RuntimeInit",
850        false /* Don't start the system server */);
851}
852
853void AndroidRuntime::onExit(int code)
854{
855    LOGI("AndroidRuntime onExit calling exit(%d)", code);
856    exit(code);
857}
858
859/*
860 * Get the JNIEnv pointer for this thread.
861 *
862 * Returns NULL if the slot wasn't allocated or populated.
863 */
864/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
865{
866    JNIEnv* env;
867    JavaVM* vm = AndroidRuntime::getJavaVM();
868    assert(vm != NULL);
869
870    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
871        return NULL;
872    return env;
873}
874
875/*
876 * Makes the current thread visible to the VM.
877 *
878 * The JNIEnv pointer returned is only valid for the current thread, and
879 * thus must be tucked into thread-local storage.
880 */
881static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
882{
883    JavaVMAttachArgs args;
884    JavaVM* vm;
885    jint result;
886
887    vm = AndroidRuntime::getJavaVM();
888    assert(vm != NULL);
889
890    args.version = JNI_VERSION_1_4;
891    args.name = (char*) threadName;
892    args.group = NULL;
893
894    result = vm->AttachCurrentThread(pEnv, (void*) &args);
895    if (result != JNI_OK)
896        LOGE("ERROR: thread attach failed\n");
897
898    return result;
899}
900
901/*
902 * Detach the current thread from the set visible to the VM.
903 */
904static int javaDetachThread(void)
905{
906    JavaVM* vm;
907    jint result;
908
909    vm = AndroidRuntime::getJavaVM();
910    assert(vm != NULL);
911
912    result = vm->DetachCurrentThread();
913    if (result != JNI_OK)
914        LOGE("ERROR: thread detach failed\n");
915    return result;
916}
917
918/*
919 * When starting a native thread that will be visible from the VM, we
920 * bounce through this to get the right attach/detach action.
921 * Note that this function calls free(args)
922 */
923/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
924    void* start = ((void**)args)[0];
925    void* userData = ((void **)args)[1];
926    char* name = (char*) ((void **)args)[2];        // we own this storage
927    free(args);
928    JNIEnv* env;
929    int result;
930
931    /* hook us into the VM */
932    if (javaAttachThread(name, &env) != JNI_OK)
933        return -1;
934
935    /* start the thread running */
936    result = (*(android_thread_func_t)start)(userData);
937
938    /* unhook us */
939    javaDetachThread();
940    free(name);
941
942    return result;
943}
944
945/*
946 * This is invoked from androidCreateThreadEtc() via the callback
947 * set with androidSetCreateThreadFunc().
948 *
949 * We need to create the new thread in such a way that it gets hooked
950 * into the VM before it really starts executing.
951 */
952/*static*/ int AndroidRuntime::javaCreateThreadEtc(
953                                android_thread_func_t entryFunction,
954                                void* userData,
955                                const char* threadName,
956                                int32_t threadPriority,
957                                size_t threadStackSize,
958                                android_thread_id_t* threadId)
959{
960    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
961    int result;
962
963    assert(threadName != NULL);
964
965    args[0] = (void*) entryFunction;
966    args[1] = userData;
967    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
968
969    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
970        threadName, threadPriority, threadStackSize, threadId);
971    return result;
972}
973
974/*
975 * Create a thread that is visible from the VM.
976 *
977 * This is called from elsewhere in the library.
978 */
979/*static*/ void AndroidRuntime::createJavaThread(const char* name,
980    void (*start)(void *), void* arg)
981{
982    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
983        ANDROID_PRIORITY_DEFAULT, 0, NULL);
984}
985
986#if 0
987static void quickTest(void* arg)
988{
989    const char* str = (const char*) arg;
990
991    printf("In quickTest: %s\n", str);
992}
993#endif
994
995#ifdef NDEBUG
996    #define REG_JNI(name)      { name }
997    struct RegJNIRec {
998        int (*mProc)(JNIEnv*);
999    };
1000#else
1001    #define REG_JNI(name)      { name, #name }
1002    struct RegJNIRec {
1003        int (*mProc)(JNIEnv*);
1004        const char* mName;
1005    };
1006#endif
1007
1008typedef void (*RegJAMProc)();
1009
1010static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1011{
1012    for (size_t i = 0; i < count; i++) {
1013        if (array[i].mProc(env) < 0) {
1014#ifndef NDEBUG
1015            LOGD("----------!!! %s failed to load\n", array[i].mName);
1016#endif
1017            return -1;
1018        }
1019    }
1020    return 0;
1021}
1022
1023static void register_jam_procs(const RegJAMProc array[], size_t count)
1024{
1025    for (size_t i = 0; i < count; i++) {
1026        array[i]();
1027    }
1028}
1029
1030static const RegJNIRec gRegJNI[] = {
1031    REG_JNI(register_android_debug_JNITest),
1032    REG_JNI(register_com_android_internal_os_RuntimeInit),
1033    REG_JNI(register_android_os_SystemClock),
1034    REG_JNI(register_android_util_EventLog),
1035    REG_JNI(register_android_util_Log),
1036    REG_JNI(register_android_util_FloatMath),
1037    REG_JNI(register_android_text_format_Time),
1038    REG_JNI(register_android_pim_EventRecurrence),
1039    REG_JNI(register_android_content_AssetManager),
1040    REG_JNI(register_android_content_StringBlock),
1041    REG_JNI(register_android_content_XmlBlock),
1042    REG_JNI(register_android_emoji_EmojiFactory),
1043    REG_JNI(register_android_security_Md5MessageDigest),
1044    REG_JNI(register_android_text_AndroidCharacter),
1045    REG_JNI(register_android_text_KeyCharacterMap),
1046    REG_JNI(register_android_os_Process),
1047    REG_JNI(register_android_os_Binder),
1048    REG_JNI(register_android_os_Hardware),
1049    REG_JNI(register_android_view_Display),
1050    REG_JNI(register_android_nio_utils),
1051    REG_JNI(register_android_graphics_PixelFormat),
1052    REG_JNI(register_android_graphics_Graphics),
1053    REG_JNI(register_android_view_Surface),
1054    REG_JNI(register_android_view_ViewRoot),
1055    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1056    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1057    REG_JNI(register_android_opengl_jni_GLES10),
1058    REG_JNI(register_android_opengl_jni_GLES10Ext),
1059    REG_JNI(register_android_opengl_jni_GLES11),
1060    REG_JNI(register_android_opengl_jni_GLES11Ext),
1061
1062    REG_JNI(register_android_graphics_Bitmap),
1063    REG_JNI(register_android_graphics_BitmapFactory),
1064    REG_JNI(register_android_graphics_Camera),
1065    REG_JNI(register_android_graphics_Canvas),
1066    REG_JNI(register_android_graphics_ColorFilter),
1067    REG_JNI(register_android_graphics_DrawFilter),
1068    REG_JNI(register_android_graphics_Interpolator),
1069    REG_JNI(register_android_graphics_LayerRasterizer),
1070    REG_JNI(register_android_graphics_MaskFilter),
1071    REG_JNI(register_android_graphics_Matrix),
1072    REG_JNI(register_android_graphics_Movie),
1073    REG_JNI(register_android_graphics_NinePatch),
1074    REG_JNI(register_android_graphics_Paint),
1075    REG_JNI(register_android_graphics_Path),
1076    REG_JNI(register_android_graphics_PathMeasure),
1077    REG_JNI(register_android_graphics_PathEffect),
1078    REG_JNI(register_android_graphics_Picture),
1079    REG_JNI(register_android_graphics_PorterDuff),
1080    REG_JNI(register_android_graphics_Rasterizer),
1081    REG_JNI(register_android_graphics_Region),
1082    REG_JNI(register_android_graphics_Shader),
1083    REG_JNI(register_android_graphics_Typeface),
1084    REG_JNI(register_android_graphics_Xfermode),
1085    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1086
1087    REG_JNI(register_android_database_CursorWindow),
1088    REG_JNI(register_android_database_SQLiteDatabase),
1089    REG_JNI(register_android_database_SQLiteDebug),
1090    REG_JNI(register_android_database_SQLiteProgram),
1091    REG_JNI(register_android_database_SQLiteQuery),
1092    REG_JNI(register_android_database_SQLiteStatement),
1093    REG_JNI(register_android_os_Debug),
1094    REG_JNI(register_android_os_Exec),
1095    REG_JNI(register_android_os_FileObserver),
1096    REG_JNI(register_android_os_FileUtils),
1097    REG_JNI(register_android_os_ParcelFileDescriptor),
1098    REG_JNI(register_android_os_Power),
1099    REG_JNI(register_android_os_StatFs),
1100    REG_JNI(register_android_os_SystemProperties),
1101    REG_JNI(register_android_os_UEventObserver),
1102    REG_JNI(register_android_net_LocalSocketImpl),
1103    REG_JNI(register_android_net_NetworkUtils),
1104    REG_JNI(register_android_net_wifi_WifiManager),
1105    REG_JNI(register_android_os_MemoryFile),
1106    REG_JNI(register_com_android_internal_os_ZygoteInit),
1107    REG_JNI(register_android_hardware_Camera),
1108    REG_JNI(register_android_hardware_SensorManager),
1109    REG_JNI(register_android_media_AudioRecord),
1110    REG_JNI(register_android_media_AudioSystem),
1111    REG_JNI(register_android_media_AudioTrack),
1112    REG_JNI(register_android_media_JetPlayer),
1113    REG_JNI(register_android_media_ToneGenerator),
1114
1115    REG_JNI(register_android_opengl_classes),
1116    REG_JNI(register_android_bluetooth_Database),
1117    REG_JNI(register_android_bluetooth_HeadsetBase),
1118    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1119    REG_JNI(register_android_bluetooth_RfcommSocket),
1120    REG_JNI(register_android_bluetooth_ScoSocket),
1121    REG_JNI(register_android_server_BluetoothDeviceService),
1122    REG_JNI(register_android_server_BluetoothEventLoop),
1123    REG_JNI(register_android_server_BluetoothA2dpService),
1124    REG_JNI(register_android_message_digest_sha1),
1125    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1126    REG_JNI(register_android_util_Base64),
1127    REG_JNI(register_android_location_GpsLocationProvider),
1128};
1129
1130/*
1131 * Register android native functions with the VM.
1132 */
1133/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1134{
1135    /*
1136     * This hook causes all future threads created in this process to be
1137     * attached to the JavaVM.  (This needs to go away in favor of JNI
1138     * Attach calls.)
1139     */
1140    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1141
1142    LOGD("--- registering native functions ---\n");
1143
1144    /*
1145     * Every "register" function calls one or more things that return
1146     * a local reference (e.g. FindClass).  Because we haven't really
1147     * started the VM yet, they're all getting stored in the base frame
1148     * and never released.  Use Push/Pop to manage the storage.
1149     */
1150    env->PushLocalFrame(200);
1151
1152    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1153        env->PopLocalFrame(NULL);
1154        return -1;
1155    }
1156    env->PopLocalFrame(NULL);
1157
1158    //createJavaThread("fubar", quickTest, (void*) "hello");
1159
1160    return 0;
1161}
1162
1163AndroidRuntime* AndroidRuntime::getRuntime()
1164{
1165    return gCurRuntime;
1166}
1167
1168/**
1169 * Used by WithFramework to register native functions.
1170 */
1171extern "C"
1172jint Java_com_android_internal_util_WithFramework_registerNatives(
1173        JNIEnv* env, jclass clazz) {
1174    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1175}
1176
1177/**
1178 * Used by LoadClass to register native functions.
1179 */
1180extern "C"
1181jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1182    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1183}
1184
1185}   // namespace android
1186