AndroidRuntime.cpp revision d24b8183b93e781080b2c16c487e60d51c12da31 
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);
69
70extern int register_android_hardware_Camera(JNIEnv *env);
71
72extern int register_android_hardware_SensorManager(JNIEnv *env);
73
74extern int register_android_media_AudioRecord(JNIEnv *env);
75extern int register_android_media_AudioSystem(JNIEnv *env);
76extern int register_android_media_AudioTrack(JNIEnv *env);
77extern int register_android_media_JetPlayer(JNIEnv *env);
78extern int register_android_media_ToneGenerator(JNIEnv *env);
79
80extern int register_android_message_digest_sha1(JNIEnv *env);
81
82extern int register_android_util_FloatMath(JNIEnv* env);
83
84namespace android {
85
86/*
87 * JNI-based registration functions.  Note these are properly contained in
88 * namespace android.
89 */
90extern int register_android_content_AssetManager(JNIEnv* env);
91extern int register_android_util_EventLog(JNIEnv* env);
92extern int register_android_util_Log(JNIEnv* env);
93extern int register_android_content_StringBlock(JNIEnv* env);
94extern int register_android_content_XmlBlock(JNIEnv* env);
95extern int register_android_graphics_Canvas(JNIEnv* env);
96extern int register_android_graphics_ColorFilter(JNIEnv* env);
97extern int register_android_graphics_DrawFilter(JNIEnv* env);
98extern int register_android_graphics_Matrix(JNIEnv* env);
99extern int register_android_graphics_Paint(JNIEnv* env);
100extern int register_android_graphics_Path(JNIEnv* env);
101extern int register_android_graphics_PathMeasure(JNIEnv* env);
102extern int register_android_graphics_Picture(JNIEnv*);
103extern int register_android_graphics_PorterDuff(JNIEnv* env);
104extern int register_android_graphics_Rasterizer(JNIEnv* env);
105extern int register_android_graphics_Xfermode(JNIEnv* env);
106extern int register_android_graphics_PixelFormat(JNIEnv* env);
107extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env);
108extern int register_android_view_Display(JNIEnv* env);
109extern int register_android_view_Surface(JNIEnv* env);
110extern int register_android_view_ViewRoot(JNIEnv* env);
111extern int register_android_database_CursorWindow(JNIEnv* env);
112extern int register_android_database_SQLiteDatabase(JNIEnv* env);
113extern int register_android_database_SQLiteDebug(JNIEnv* env);
114extern int register_android_database_SQLiteProgram(JNIEnv* env);
115extern int register_android_database_SQLiteQuery(JNIEnv* env);
116extern int register_android_database_SQLiteStatement(JNIEnv* env);
117extern int register_android_debug_JNITest(JNIEnv* env);
118extern int register_android_nio_utils(JNIEnv* env);
119extern int register_android_pim_EventRecurrence(JNIEnv* env);
120extern int register_android_text_format_Time(JNIEnv* env);
121extern int register_android_os_Debug(JNIEnv* env);
122extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
123extern int register_android_os_Power(JNIEnv *env);
124extern int register_android_os_StatFs(JNIEnv *env);
125extern int register_android_os_SystemProperties(JNIEnv *env);
126extern int register_android_os_Hardware(JNIEnv* env);
127extern int register_android_os_Exec(JNIEnv *env);
128extern int register_android_os_SystemClock(JNIEnv* env);
129extern int register_android_os_FileObserver(JNIEnv *env);
130extern int register_android_os_FileUtils(JNIEnv *env);
131extern int register_android_os_UEventObserver(JNIEnv* env);
132extern int register_android_os_MemoryFile(JNIEnv* env);
133extern int register_android_net_LocalSocketImpl(JNIEnv* env);
134extern int register_android_net_NetworkUtils(JNIEnv* env);
135extern int register_android_net_wifi_WifiManager(JNIEnv* env);
136extern int register_android_security_Md5MessageDigest(JNIEnv *env);
137extern int register_android_text_AndroidCharacter(JNIEnv *env);
138extern int register_android_text_KeyCharacterMap(JNIEnv *env);
139extern int register_android_opengl_classes(JNIEnv *env);
140extern int register_android_bluetooth_Database(JNIEnv* env);
141extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
142extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
143extern int register_android_bluetooth_RfcommSocket(JNIEnv *env);
144extern int register_android_bluetooth_ScoSocket(JNIEnv *env);
145extern int register_android_server_BluetoothDeviceService(JNIEnv* env);
146extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
147extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
148extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
149extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
150extern int register_android_util_Base64(JNIEnv* env);
151extern int register_android_location_GpsLocationProvider(JNIEnv* env);
152
153static AndroidRuntime* gCurRuntime = NULL;
154
155static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
156{
157    if (jniThrowException(env, exc, msg) != 0)
158        assert(false);
159}
160
161/*
162 * Code written in the Java Programming Language calls here from main().
163 */
164static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
165{
166    gCurRuntime->onStarted();
167}
168
169static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
170{
171    gCurRuntime->onZygoteInit();
172}
173
174static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
175{
176    return 1;
177}
178
179static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
180{
181}
182
183static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
184{
185    char* value = getenv("qwerty");
186    if (value != NULL && strcmp(value, "true") == 0) {
187        return 1;
188    }
189
190    return 0;
191}
192
193/*
194 * JNI registration.
195 */
196static JNINativeMethod gMethods[] = {
197    { "finishInit", "()V",
198        (void*) com_android_internal_os_RuntimeInit_finishInit },
199    { "zygoteInitNative", "()V",
200        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
201    { "isComputerOn", "()I",
202        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
203    { "turnComputerOn", "()V",
204        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
205    { "getQwertyKeyboard", "()I",
206        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
207};
208
209int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
210{
211    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
212        gMethods, NELEM(gMethods));
213}
214
215// ----------------------------------------------------------------------
216
217/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
218
219
220AndroidRuntime::AndroidRuntime()
221{
222    SkGraphics::Init(false);    // true means run unittests (slow)
223    // this sets our preference for 16bit images during decode
224    // in case the src is opaque and 24bit
225    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
226
227    // Pre-allocate enough space to hold a fair number of options.
228    mOptions.setCapacity(20);
229
230    assert(gCurRuntime == NULL);        // one per process
231    gCurRuntime = this;
232}
233
234AndroidRuntime::~AndroidRuntime()
235{
236    SkGraphics::Term();
237}
238
239/*
240 * Register native methods using JNI.
241 */
242/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
243    const char* className, const JNINativeMethod* gMethods, int numMethods)
244{
245    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
246}
247
248/*
249 * Call a static Java Programming Language function that takes no arguments and returns void.
250 */
251status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
252{
253    JNIEnv* env;
254    jclass clazz;
255    jmethodID methodId;
256
257    env = getJNIEnv();
258    if (env == NULL)
259        return UNKNOWN_ERROR;
260
261    clazz = findClass(env, className);
262    if (clazz == NULL) {
263        LOGE("ERROR: could not find class '%s'\n", className);
264        return UNKNOWN_ERROR;
265    }
266    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
267    if (methodId == NULL) {
268        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
269        return UNKNOWN_ERROR;
270    }
271
272    env->CallStaticVoidMethod(clazz, methodId);
273
274    return NO_ERROR;
275}
276
277status_t AndroidRuntime::callMain(
278    const char* className, int argc, const char* const argv[])
279{
280    JNIEnv* env;
281    jclass clazz;
282    jmethodID methodId;
283
284    env = getJNIEnv();
285    if (env == NULL)
286        return UNKNOWN_ERROR;
287
288    clazz = findClass(env, className);
289    if (clazz == NULL) {
290        LOGE("ERROR: could not find class '%s'\n", className);
291        return UNKNOWN_ERROR;
292    }
293
294    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
295    if (methodId == NULL) {
296        LOGE("ERROR: could not find method %s.main(String[])\n", className);
297        return UNKNOWN_ERROR;
298    }
299
300    /*
301     * We want to call main() with a String array with our arguments in it.
302     * Create an array and populate it.
303     */
304    jclass stringClass;
305    jobjectArray strArray;
306
307    stringClass = env->FindClass("java/lang/String");
308    strArray = env->NewObjectArray(argc, stringClass, NULL);
309
310    for (int i = 0; i < argc; i++) {
311        jstring argStr = env->NewStringUTF(argv[i]);
312        env->SetObjectArrayElement(strArray, i, argStr);
313    }
314
315    env->CallStaticVoidMethod(clazz, methodId, strArray);
316    return NO_ERROR;
317}
318
319/*
320 * Find the named class.
321 */
322jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
323{
324    char* convName = NULL;
325
326    if (env->ExceptionCheck()) {
327        LOGE("ERROR: exception pending on entry to findClass()\n");
328        return NULL;
329    }
330
331    /*
332     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
333     * uses the dotted "binary name" format.  We don't need to convert the
334     * name with the new approach.
335     */
336#if 0
337    /* (convName only created if necessary -- use className) */
338    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
339        if (*cp == '.') {
340            if (convName == NULL) {
341                convName = strdup(className);
342                cp = convName + (cp-className);
343                className = convName;
344            }
345            *cp = '/';
346        }
347    }
348#endif
349
350    /*
351     * This is a little awkward because the JNI FindClass call uses the
352     * class loader associated with the native method we're executing in.
353     * Because this native method is part of a "boot" class, JNI doesn't
354     * look for the class in CLASSPATH, which unfortunately is a likely
355     * location for it.  (Had we issued the FindClass call before calling
356     * into the VM -- at which point there isn't a native method frame on
357     * the stack -- the VM would have checked CLASSPATH.  We have to do
358     * this because we call into Java Programming Language code and
359     * bounce back out.)
360     *
361     * JNI lacks a "find class in a specific class loader" operation, so we
362     * have to do things the hard way.
363     */
364    jclass cls = NULL;
365    //cls = env->FindClass(className);
366
367    jclass javaLangClassLoader;
368    jmethodID getSystemClassLoader, loadClass;
369    jobject systemClassLoader;
370    jstring strClassName;
371
372    /* find the "system" class loader; none of this is expected to fail */
373    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
374    assert(javaLangClassLoader != NULL);
375    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
376        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
377    loadClass = env->GetMethodID(javaLangClassLoader,
378        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
379    assert(getSystemClassLoader != NULL && loadClass != NULL);
380    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
381        getSystemClassLoader);
382    assert(systemClassLoader != NULL);
383
384    /* create an object for the class name string; alloc could fail */
385    strClassName = env->NewStringUTF(className);
386    if (env->ExceptionCheck()) {
387        LOGE("ERROR: unable to convert '%s' to string\n", className);
388        goto bail;
389    }
390    LOGV("system class loader is %p, loading %p (%s)\n",
391        systemClassLoader, strClassName, className);
392
393    /* try to find the named class */
394    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
395                        strClassName);
396    if (env->ExceptionCheck()) {
397        LOGE("ERROR: unable to load class '%s' from %p\n",
398            className, systemClassLoader);
399        cls = NULL;
400        goto bail;
401    }
402
403bail:
404    free(convName);
405    return cls;
406}
407
408/*
409 * The VM calls this through the "exit" hook.
410 */
411static void runtime_exit(int code)
412{
413    gCurRuntime->onExit(code);
414    exit(code);
415}
416
417/*
418 * The VM calls this through the "vfprintf" hook.
419 *
420 * We ignore "fp" and just write the results to the log file.
421 */
422static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
423{
424    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
425}
426
427
428/**
429 * Add VM arguments to the to-be-executed VM
430 * Stops at first non '-' argument (also stops at an argument of '--')
431 * Returns the number of args consumed
432 */
433int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
434{
435    int i;
436
437    for (i = 0; i<argc; i++) {
438        if (argv[i][0] != '-') {
439            return i;
440        }
441        if (argv[i][1] == '-' && argv[i][2] == 0) {
442            return i+1;
443        }
444
445        JavaVMOption opt;
446        memset(&opt, 0, sizeof(opt));
447        opt.optionString = (char*)argv[i];
448        mOptions.add(opt);
449    }
450    return i;
451}
452
453static int hasDir(const char* dir)
454{
455    struct stat s;
456    int res = stat(dir, &s);
457    if (res == 0) {
458        return S_ISDIR(s.st_mode);
459    }
460    return 0;
461}
462
463/*
464 * We just want failed write() calls to just return with an error.
465 */
466static void blockSigpipe()
467{
468    sigset_t mask;
469
470    sigemptyset(&mask);
471    sigaddset(&mask, SIGPIPE);
472    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
473        LOGW("WARNING: SIGPIPE not blocked\n");
474}
475
476/*
477 * Read the persistent locale.
478 */
479static void readLocale(char* language, char* region)
480{
481    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
482
483    property_get("persist.sys.language", propLang, "");
484    property_get("persist.sys.country", propRegn, "");
485    if (*propLang == 0 && *propRegn == 0) {
486        /* Set to ro properties, default is en_US */
487        property_get("ro.product.locale.language", propLang, "en");
488        property_get("ro.product.locale.region", propRegn, "US");
489    }
490    strncat(language, propLang, 2);
491    strncat(region, propRegn, 2);
492    //LOGD("language=%s region=%s\n", language, region);
493}
494
495void AndroidRuntime::start(const char* className, const bool startSystemServer)
496{
497    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
498
499    JNIEnv* env;
500    JavaVMInitArgs initArgs;
501    JavaVMOption opt;
502    char propBuf[PROPERTY_VALUE_MAX];
503    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
504    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
505    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
506    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
507    char* stackTraceFile = NULL;
508    char* slashClassName = NULL;
509    char* cp;
510    bool checkJni = false;
511    bool logStdio = false;
512    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
513
514    blockSigpipe();
515
516    /*
517     * 'startSystemServer == true' means runtime is obslete and not run from
518     * init.rc anymore, so we print out the boot start event here.
519     */
520    if (startSystemServer) {
521        /* track our progress through the boot sequence */
522        const int LOG_BOOT_PROGRESS_START = 3000;
523        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
524                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
525    }
526
527    property_get("dalvik.vm.checkjni", propBuf, "");
528    if (strcmp(propBuf, "true") == 0) {
529        checkJni = true;
530    } else if (strcmp(propBuf, "false") != 0) {
531        /* property is neither true nor false; fall back on kernel parameter */
532        property_get("ro.kernel.android.checkjni", propBuf, "");
533        if (propBuf[0] == '1') {
534            checkJni = true;
535        }
536    }
537
538    property_get("dalvik.vm.execution-mode", propBuf, "");
539    if (strcmp(propBuf, "int:portable") == 0) {
540        executionMode = kEMIntPortable;
541    } else if (strcmp(propBuf, "int:fast") == 0) {
542        executionMode = kEMIntFast;
543    }
544
545    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
546
547    property_get("log.redirect-stdio", propBuf, "");
548    if (strcmp(propBuf, "true") == 0) {
549        logStdio = true;
550    }
551
552    strcpy(enableAssertBuf, "-ea:");
553    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
554
555    strcpy(jniOptsBuf, "-Xjniopts:");
556    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
557
558    const char* rootDir = getenv("ANDROID_ROOT");
559    if (rootDir == NULL) {
560        rootDir = "/system";
561        if (!hasDir("/system")) {
562            LOG_FATAL("No root directory specified, and /android does not exist.");
563            return;
564        }
565        setenv("ANDROID_ROOT", rootDir, 1);
566    }
567
568    const char* kernelHack = getenv("LD_ASSUME_KERNEL");
569    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
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    }
646
647    /* enable debugging; set suspend=y to pause during VM init */
648#ifdef HAVE_ANDROID_OS
649    /* use android ADB transport */
650    opt.optionString =
651        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
652#else
653    /* use TCP socket; address=0 means start at port 8000 and probe up */
654    LOGI("Using TCP socket for JDWP\n");
655    opt.optionString =
656        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
657#endif
658    mOptions.add(opt);
659
660    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
661    property_get("dalvik.vm.deadlock-predict", propBuf, "");
662    if (strlen(propBuf) > 0) {
663        strcpy(enableDPBuf, "-Xdeadlockpredict:");
664        strcat(enableDPBuf, propBuf);
665        opt.optionString = enableDPBuf;
666        mOptions.add(opt);
667    }
668
669    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
670    if (checkJni) {
671        /* extended JNI checking */
672        opt.optionString = "-Xcheck:jni";
673        mOptions.add(opt);
674
675        /* set a cap on JNI global references */
676        opt.optionString = "-Xjnigreflimit:2000";
677        mOptions.add(opt);
678
679        /* with -Xcheck:jni, this provides a JNI function call trace */
680        //opt.optionString = "-verbose:jni";
681        //mOptions.add(opt);
682    }
683    if (executionMode == kEMIntPortable) {
684        opt.optionString = "-Xint:portable";
685        mOptions.add(opt);
686    } else if (executionMode == kEMIntFast) {
687        opt.optionString = "-Xint:fast";
688        mOptions.add(opt);
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(&mJavaVM, &env, &initArgs) < 0) {
758        LOGE("JNI_CreateJavaVM failed\n");
759        goto bail;
760    }
761
762    /*
763     * Register android functions.
764     */
765    if (startReg(env) < 0) {
766        LOGE("Unable to register all android natives\n");
767        goto bail;
768    }
769
770    /*
771     * We want to call main() with a String array with arguments in it.
772     * At present we only have one argument, the class name.  Create an
773     * array to hold it.
774     */
775    jclass stringClass;
776    jobjectArray strArray;
777    jstring classNameStr;
778    jstring startSystemServerStr;
779
780    stringClass = env->FindClass("java/lang/String");
781    assert(stringClass != NULL);
782    strArray = env->NewObjectArray(2, stringClass, NULL);
783    assert(strArray != NULL);
784    classNameStr = env->NewStringUTF(className);
785    assert(classNameStr != NULL);
786    env->SetObjectArrayElement(strArray, 0, classNameStr);
787    startSystemServerStr = env->NewStringUTF(startSystemServer ?
788                                                 "true" : "false");
789    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
790
791    /*
792     * Start VM.  This thread becomes the main thread of the VM, and will
793     * not return until the VM exits.
794     */
795    jclass startClass;
796    jmethodID startMeth;
797
798    slashClassName = strdup(className);
799    for (cp = slashClassName; *cp != '\0'; cp++)
800        if (*cp == '.')
801            *cp = '/';
802
803    startClass = env->FindClass(slashClassName);
804    if (startClass == NULL) {
805        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
806        /* keep going */
807    } else {
808        startMeth = env->GetStaticMethodID(startClass, "main",
809            "([Ljava/lang/String;)V");
810        if (startMeth == NULL) {
811            LOGE("JavaVM unable to find main() in '%s'\n", className);
812            /* keep going */
813        } else {
814            env->CallStaticVoidMethod(startClass, startMeth, strArray);
815
816#if 0
817            if (env->ExceptionCheck())
818                threadExitUncaughtException(env);
819#endif
820        }
821    }
822
823    LOGD("Shutting down VM\n");
824    if (mJavaVM->DetachCurrentThread() != JNI_OK)
825        LOGW("Warning: unable to detach main thread\n");
826    if (mJavaVM->DestroyJavaVM() != 0)
827        LOGW("Warning: VM did not shut down cleanly\n");
828
829bail:
830    free(slashClassName);
831    free(stackTraceFile);
832}
833
834void AndroidRuntime::start()
835{
836    start("com.android.internal.os.RuntimeInit",
837        false /* Don't start the system server */);
838}
839
840void AndroidRuntime::onExit(int code)
841{
842    LOGI("AndroidRuntime onExit calling exit(%d)", code);
843    exit(code);
844}
845
846/*
847 * Get the JNIEnv pointer for this thread.
848 *
849 * Returns NULL if the slot wasn't allocated or populated.
850 */
851/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
852{
853    JNIEnv* env;
854    JavaVM* vm = AndroidRuntime::getJavaVM();
855    assert(vm != NULL);
856
857    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
858        return NULL;
859    return env;
860}
861
862/*
863 * Makes the current thread visible to the VM.
864 *
865 * The JNIEnv pointer returned is only valid for the current thread, and
866 * thus must be tucked into thread-local storage.
867 */
868static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
869{
870    JavaVMAttachArgs args;
871    JavaVM* vm;
872    jint result;
873
874    vm = AndroidRuntime::getJavaVM();
875    assert(vm != NULL);
876
877    args.version = JNI_VERSION_1_4;
878    args.name = (char*) threadName;
879    args.group = NULL;
880
881    result = vm->AttachCurrentThread(pEnv, (void*) &args);
882    if (result != JNI_OK)
883        LOGE("ERROR: thread attach failed\n");
884
885    return result;
886}
887
888/*
889 * Detach the current thread from the set visible to the VM.
890 */
891static int javaDetachThread(void)
892{
893    JavaVM* vm;
894    jint result;
895
896    vm = AndroidRuntime::getJavaVM();
897    assert(vm != NULL);
898
899    result = vm->DetachCurrentThread();
900    if (result != JNI_OK)
901        LOGE("ERROR: thread detach failed\n");
902    return result;
903}
904
905/*
906 * When starting a native thread that will be visible from the VM, we
907 * bounce through this to get the right attach/detach action.
908 * Note that this function calls free(args)
909 */
910/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
911    void* start = ((void**)args)[0];
912    void* userData = ((void **)args)[1];
913    char* name = (char*) ((void **)args)[2];        // we own this storage
914    free(args);
915    JNIEnv* env;
916    int result;
917
918    /* hook us into the VM */
919    if (javaAttachThread(name, &env) != JNI_OK)
920        return -1;
921
922    /* start the thread running */
923    result = (*(android_thread_func_t)start)(userData);
924
925    /* unhook us */
926    javaDetachThread();
927    free(name);
928
929    return result;
930}
931
932/*
933 * This is invoked from androidCreateThreadEtc() via the callback
934 * set with androidSetCreateThreadFunc().
935 *
936 * We need to create the new thread in such a way that it gets hooked
937 * into the VM before it really starts executing.
938 */
939/*static*/ int AndroidRuntime::javaCreateThreadEtc(
940                                android_thread_func_t entryFunction,
941                                void* userData,
942                                const char* threadName,
943                                int32_t threadPriority,
944                                size_t threadStackSize,
945                                android_thread_id_t* threadId)
946{
947    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
948    int result;
949
950    assert(threadName != NULL);
951
952    args[0] = (void*) entryFunction;
953    args[1] = userData;
954    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
955
956    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
957        threadName, threadPriority, threadStackSize, threadId);
958    return result;
959}
960
961/*
962 * Create a thread that is visible from the VM.
963 *
964 * This is called from elsewhere in the library.
965 */
966/*static*/ void AndroidRuntime::createJavaThread(const char* name,
967    void (*start)(void *), void* arg)
968{
969    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
970        ANDROID_PRIORITY_DEFAULT, 0, NULL);
971}
972
973#if 0
974static void quickTest(void* arg)
975{
976    const char* str = (const char*) arg;
977
978    printf("In quickTest: %s\n", str);
979}
980#endif
981
982#ifdef NDEBUG
983    #define REG_JNI(name)      { name }
984    struct RegJNIRec {
985        int (*mProc)(JNIEnv*);
986    };
987#else
988    #define REG_JNI(name)      { name, #name }
989    struct RegJNIRec {
990        int (*mProc)(JNIEnv*);
991        const char* mName;
992    };
993#endif
994
995typedef void (*RegJAMProc)();
996
997static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
998{
999    for (size_t i = 0; i < count; i++) {
1000        if (array[i].mProc(env) < 0) {
1001#ifndef NDEBUG
1002            LOGD("----------!!! %s failed to load\n", array[i].mName);
1003#endif
1004            return -1;
1005        }
1006    }
1007    return 0;
1008}
1009
1010static void register_jam_procs(const RegJAMProc array[], size_t count)
1011{
1012    for (size_t i = 0; i < count; i++) {
1013        array[i]();
1014    }
1015}
1016
1017static const RegJNIRec gRegJNI[] = {
1018    REG_JNI(register_android_debug_JNITest),
1019    REG_JNI(register_com_android_internal_os_RuntimeInit),
1020    REG_JNI(register_android_os_SystemClock),
1021    REG_JNI(register_android_util_EventLog),
1022    REG_JNI(register_android_util_Log),
1023    REG_JNI(register_android_util_FloatMath),
1024    REG_JNI(register_android_text_format_Time),
1025    REG_JNI(register_android_pim_EventRecurrence),
1026    REG_JNI(register_android_content_AssetManager),
1027    REG_JNI(register_android_content_StringBlock),
1028    REG_JNI(register_android_content_XmlBlock),
1029    REG_JNI(register_android_security_Md5MessageDigest),
1030    REG_JNI(register_android_text_AndroidCharacter),
1031    REG_JNI(register_android_text_KeyCharacterMap),
1032    REG_JNI(register_android_os_Process),
1033    REG_JNI(register_android_os_Binder),
1034    REG_JNI(register_android_os_Hardware),
1035    REG_JNI(register_android_view_Display),
1036    REG_JNI(register_android_nio_utils),
1037    REG_JNI(register_android_graphics_PixelFormat),
1038    REG_JNI(register_android_graphics_Graphics),
1039    REG_JNI(register_android_view_Surface),
1040    REG_JNI(register_android_view_ViewRoot),
1041    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1042    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1043
1044    REG_JNI(register_android_graphics_Bitmap),
1045    REG_JNI(register_android_graphics_BitmapFactory),
1046    REG_JNI(register_android_graphics_Camera),
1047    REG_JNI(register_android_graphics_Canvas),
1048    REG_JNI(register_android_graphics_ColorFilter),
1049    REG_JNI(register_android_graphics_DrawFilter),
1050    REG_JNI(register_android_graphics_Interpolator),
1051    REG_JNI(register_android_graphics_LayerRasterizer),
1052    REG_JNI(register_android_graphics_MaskFilter),
1053    REG_JNI(register_android_graphics_Matrix),
1054    REG_JNI(register_android_graphics_Movie),
1055    REG_JNI(register_android_graphics_NinePatch),
1056    REG_JNI(register_android_graphics_Paint),
1057    REG_JNI(register_android_graphics_Path),
1058    REG_JNI(register_android_graphics_PathMeasure),
1059    REG_JNI(register_android_graphics_PathEffect),
1060    REG_JNI(register_android_graphics_Picture),
1061    REG_JNI(register_android_graphics_PorterDuff),
1062    REG_JNI(register_android_graphics_Rasterizer),
1063    REG_JNI(register_android_graphics_Region),
1064    REG_JNI(register_android_graphics_Shader),
1065    REG_JNI(register_android_graphics_Typeface),
1066    REG_JNI(register_android_graphics_Xfermode),
1067    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1068
1069    REG_JNI(register_android_database_CursorWindow),
1070    REG_JNI(register_android_database_SQLiteDatabase),
1071    REG_JNI(register_android_database_SQLiteDebug),
1072    REG_JNI(register_android_database_SQLiteProgram),
1073    REG_JNI(register_android_database_SQLiteQuery),
1074    REG_JNI(register_android_database_SQLiteStatement),
1075    REG_JNI(register_android_os_Debug),
1076    REG_JNI(register_android_os_Exec),
1077    REG_JNI(register_android_os_FileObserver),
1078    REG_JNI(register_android_os_FileUtils),
1079    REG_JNI(register_android_os_ParcelFileDescriptor),
1080    REG_JNI(register_android_os_Power),
1081    REG_JNI(register_android_os_StatFs),
1082    REG_JNI(register_android_os_SystemProperties),
1083    REG_JNI(register_android_os_UEventObserver),
1084    REG_JNI(register_android_net_LocalSocketImpl),
1085    REG_JNI(register_android_net_NetworkUtils),
1086    REG_JNI(register_android_net_wifi_WifiManager),
1087    REG_JNI(register_android_os_MemoryFile),
1088    REG_JNI(register_com_android_internal_os_ZygoteInit),
1089    REG_JNI(register_android_hardware_Camera),
1090    REG_JNI(register_android_hardware_SensorManager),
1091    REG_JNI(register_android_media_AudioRecord),
1092    REG_JNI(register_android_media_AudioSystem),
1093    REG_JNI(register_android_media_AudioTrack),
1094    REG_JNI(register_android_media_JetPlayer),
1095    REG_JNI(register_android_media_ToneGenerator),
1096
1097    REG_JNI(register_android_opengl_classes),
1098    REG_JNI(register_android_bluetooth_Database),
1099    REG_JNI(register_android_bluetooth_HeadsetBase),
1100    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1101    REG_JNI(register_android_bluetooth_RfcommSocket),
1102    REG_JNI(register_android_bluetooth_ScoSocket),
1103    REG_JNI(register_android_server_BluetoothDeviceService),
1104    REG_JNI(register_android_server_BluetoothEventLoop),
1105    REG_JNI(register_android_server_BluetoothA2dpService),
1106    REG_JNI(register_android_message_digest_sha1),
1107    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1108    REG_JNI(register_android_util_Base64),
1109    REG_JNI(register_android_location_GpsLocationProvider),
1110};
1111
1112/*
1113 * Register android native functions with the VM.
1114 */
1115/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1116{
1117    /*
1118     * This hook causes all future threads created in this process to be
1119     * attached to the JavaVM.  (This needs to go away in favor of JNI
1120     * Attach calls.)
1121     */
1122    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1123
1124    LOGD("--- registering native functions ---\n");
1125
1126    /*
1127     * Every "register" function calls one or more things that return
1128     * a local reference (e.g. FindClass).  Because we haven't really
1129     * started the VM yet, they're all getting stored in the base frame
1130     * and never released.  Use Push/Pop to manage the storage.
1131     */
1132    env->PushLocalFrame(200);
1133
1134    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1135        env->PopLocalFrame(NULL);
1136        return -1;
1137    }
1138    env->PopLocalFrame(NULL);
1139
1140    //createJavaThread("fubar", quickTest, (void*) "hello");
1141
1142    return 0;
1143}
1144
1145AndroidRuntime* AndroidRuntime::getRuntime()
1146{
1147    return gCurRuntime;
1148}
1149
1150/**
1151 * Used by WithFramework to register native functions.
1152 */
1153extern "C"
1154jint Java_com_android_internal_util_WithFramework_registerNatives(
1155        JNIEnv* env, jclass clazz) {
1156    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1157}
1158
1159/**
1160 * Used by LoadClass to register native functions.
1161 */
1162extern "C"
1163jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1164    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1165}
1166
1167}   // namespace android
1168