AndroidRuntime.cpp revision 1cf587496fcb1d652bab9fc6792fb106b6fefaa4 
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);
158extern int register_android_backup_BackupDataInput(JNIEnv *env);
159extern int register_android_backup_BackupDataOutput(JNIEnv *env);
160extern int register_android_backup_FileBackupHelper(JNIEnv *env);
161
162static AndroidRuntime* gCurRuntime = NULL;
163
164static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
165{
166    if (jniThrowException(env, exc, msg) != 0)
167        assert(false);
168}
169
170/*
171 * Code written in the Java Programming Language calls here from main().
172 */
173static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
174{
175    gCurRuntime->onStarted();
176}
177
178static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
179{
180    gCurRuntime->onZygoteInit();
181}
182
183static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
184{
185    return 1;
186}
187
188static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
189{
190}
191
192static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
193{
194    char* value = getenv("qwerty");
195    if (value != NULL && strcmp(value, "true") == 0) {
196        return 1;
197    }
198
199    return 0;
200}
201
202/*
203 * JNI registration.
204 */
205static JNINativeMethod gMethods[] = {
206    { "finishInit", "()V",
207        (void*) com_android_internal_os_RuntimeInit_finishInit },
208    { "zygoteInitNative", "()V",
209        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
210    { "isComputerOn", "()I",
211        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
212    { "turnComputerOn", "()V",
213        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
214    { "getQwertyKeyboard", "()I",
215        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
216};
217
218int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
219{
220    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
221        gMethods, NELEM(gMethods));
222}
223
224// ----------------------------------------------------------------------
225
226/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
227
228
229AndroidRuntime::AndroidRuntime()
230{
231    SkGraphics::Init();
232    // this sets our preference for 16bit images during decode
233    // in case the src is opaque and 24bit
234    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
235    // This cache is shared between browser native images, and java "purgeable"
236    // bitmaps. This globalpool is for images that do not either use the java
237    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
238    // java call site.
239    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
240    // There is also a global font cache, but its budget is specified in code
241    // see SkFontHost_android.cpp
242
243    // Pre-allocate enough space to hold a fair number of options.
244    mOptions.setCapacity(20);
245
246    assert(gCurRuntime == NULL);        // one per process
247    gCurRuntime = this;
248}
249
250AndroidRuntime::~AndroidRuntime()
251{
252    SkGraphics::Term();
253}
254
255/*
256 * Register native methods using JNI.
257 */
258/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
259    const char* className, const JNINativeMethod* gMethods, int numMethods)
260{
261    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
262}
263
264/*
265 * Call a static Java Programming Language function that takes no arguments and returns void.
266 */
267status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
268{
269    JNIEnv* env;
270    jclass clazz;
271    jmethodID methodId;
272
273    env = getJNIEnv();
274    if (env == NULL)
275        return UNKNOWN_ERROR;
276
277    clazz = findClass(env, className);
278    if (clazz == NULL) {
279        LOGE("ERROR: could not find class '%s'\n", className);
280        return UNKNOWN_ERROR;
281    }
282    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
283    if (methodId == NULL) {
284        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
285        return UNKNOWN_ERROR;
286    }
287
288    env->CallStaticVoidMethod(clazz, methodId);
289
290    return NO_ERROR;
291}
292
293status_t AndroidRuntime::callMain(
294    const char* className, int argc, const char* const argv[])
295{
296    JNIEnv* env;
297    jclass clazz;
298    jmethodID methodId;
299
300    env = getJNIEnv();
301    if (env == NULL)
302        return UNKNOWN_ERROR;
303
304    clazz = findClass(env, className);
305    if (clazz == NULL) {
306        LOGE("ERROR: could not find class '%s'\n", className);
307        return UNKNOWN_ERROR;
308    }
309
310    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
311    if (methodId == NULL) {
312        LOGE("ERROR: could not find method %s.main(String[])\n", className);
313        return UNKNOWN_ERROR;
314    }
315
316    /*
317     * We want to call main() with a String array with our arguments in it.
318     * Create an array and populate it.
319     */
320    jclass stringClass;
321    jobjectArray strArray;
322
323    stringClass = env->FindClass("java/lang/String");
324    strArray = env->NewObjectArray(argc, stringClass, NULL);
325
326    for (int i = 0; i < argc; i++) {
327        jstring argStr = env->NewStringUTF(argv[i]);
328        env->SetObjectArrayElement(strArray, i, argStr);
329    }
330
331    env->CallStaticVoidMethod(clazz, methodId, strArray);
332    return NO_ERROR;
333}
334
335/*
336 * Find the named class.
337 */
338jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
339{
340    char* convName = NULL;
341
342    if (env->ExceptionCheck()) {
343        LOGE("ERROR: exception pending on entry to findClass()\n");
344        return NULL;
345    }
346
347    /*
348     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
349     * uses the dotted "binary name" format.  We don't need to convert the
350     * name with the new approach.
351     */
352#if 0
353    /* (convName only created if necessary -- use className) */
354    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
355        if (*cp == '.') {
356            if (convName == NULL) {
357                convName = strdup(className);
358                cp = convName + (cp-className);
359                className = convName;
360            }
361            *cp = '/';
362        }
363    }
364#endif
365
366    /*
367     * This is a little awkward because the JNI FindClass call uses the
368     * class loader associated with the native method we're executing in.
369     * Because this native method is part of a "boot" class, JNI doesn't
370     * look for the class in CLASSPATH, which unfortunately is a likely
371     * location for it.  (Had we issued the FindClass call before calling
372     * into the VM -- at which point there isn't a native method frame on
373     * the stack -- the VM would have checked CLASSPATH.  We have to do
374     * this because we call into Java Programming Language code and
375     * bounce back out.)
376     *
377     * JNI lacks a "find class in a specific class loader" operation, so we
378     * have to do things the hard way.
379     */
380    jclass cls = NULL;
381    //cls = env->FindClass(className);
382
383    jclass javaLangClassLoader;
384    jmethodID getSystemClassLoader, loadClass;
385    jobject systemClassLoader;
386    jstring strClassName;
387
388    /* find the "system" class loader; none of this is expected to fail */
389    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
390    assert(javaLangClassLoader != NULL);
391    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
392        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
393    loadClass = env->GetMethodID(javaLangClassLoader,
394        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
395    assert(getSystemClassLoader != NULL && loadClass != NULL);
396    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
397        getSystemClassLoader);
398    assert(systemClassLoader != NULL);
399
400    /* create an object for the class name string; alloc could fail */
401    strClassName = env->NewStringUTF(className);
402    if (env->ExceptionCheck()) {
403        LOGE("ERROR: unable to convert '%s' to string\n", className);
404        goto bail;
405    }
406    LOGV("system class loader is %p, loading %p (%s)\n",
407        systemClassLoader, strClassName, className);
408
409    /* try to find the named class */
410    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
411                        strClassName);
412    if (env->ExceptionCheck()) {
413        LOGE("ERROR: unable to load class '%s' from %p\n",
414            className, systemClassLoader);
415        cls = NULL;
416        goto bail;
417    }
418
419bail:
420    free(convName);
421    return cls;
422}
423
424/*
425 * The VM calls this through the "exit" hook.
426 */
427static void runtime_exit(int code)
428{
429    gCurRuntime->onExit(code);
430    exit(code);
431}
432
433/*
434 * The VM calls this through the "vfprintf" hook.
435 *
436 * We ignore "fp" and just write the results to the log file.
437 */
438static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
439{
440    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
441}
442
443
444/**
445 * Add VM arguments to the to-be-executed VM
446 * Stops at first non '-' argument (also stops at an argument of '--')
447 * Returns the number of args consumed
448 */
449int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
450{
451    int i;
452
453    for (i = 0; i<argc; i++) {
454        if (argv[i][0] != '-') {
455            return i;
456        }
457        if (argv[i][1] == '-' && argv[i][2] == 0) {
458            return i+1;
459        }
460
461        JavaVMOption opt;
462        memset(&opt, 0, sizeof(opt));
463        opt.optionString = (char*)argv[i];
464        mOptions.add(opt);
465    }
466    return i;
467}
468
469static int hasDir(const char* dir)
470{
471    struct stat s;
472    int res = stat(dir, &s);
473    if (res == 0) {
474        return S_ISDIR(s.st_mode);
475    }
476    return 0;
477}
478
479/*
480 * We just want failed write() calls to just return with an error.
481 */
482static void blockSigpipe()
483{
484    sigset_t mask;
485
486    sigemptyset(&mask);
487    sigaddset(&mask, SIGPIPE);
488    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
489        LOGW("WARNING: SIGPIPE not blocked\n");
490}
491
492/*
493 * Read the persistent locale.
494 */
495static void readLocale(char* language, char* region)
496{
497    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
498
499    property_get("persist.sys.language", propLang, "");
500    property_get("persist.sys.country", propRegn, "");
501    if (*propLang == 0 && *propRegn == 0) {
502        /* Set to ro properties, default is en_US */
503        property_get("ro.product.locale.language", propLang, "en");
504        property_get("ro.product.locale.region", propRegn, "US");
505    }
506    strncat(language, propLang, 2);
507    strncat(region, propRegn, 2);
508    //LOGD("language=%s region=%s\n", language, region);
509}
510
511void AndroidRuntime::start(const char* className, const bool startSystemServer)
512{
513    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
514
515    JNIEnv* env;
516    JavaVMInitArgs initArgs;
517    JavaVMOption opt;
518    char propBuf[PROPERTY_VALUE_MAX];
519    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
520    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
521    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
522    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
523    char* stackTraceFile = NULL;
524    char* slashClassName = NULL;
525    char* cp;
526    bool checkJni = false;
527    bool logStdio = false;
528    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
529
530    blockSigpipe();
531
532    /*
533     * 'startSystemServer == true' means runtime is obslete and not run from
534     * init.rc anymore, so we print out the boot start event here.
535     */
536    if (startSystemServer) {
537        /* track our progress through the boot sequence */
538        const int LOG_BOOT_PROGRESS_START = 3000;
539        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
540                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
541    }
542
543    property_get("dalvik.vm.checkjni", propBuf, "");
544    if (strcmp(propBuf, "true") == 0) {
545        checkJni = true;
546    } else if (strcmp(propBuf, "false") != 0) {
547        /* property is neither true nor false; fall back on kernel parameter */
548        property_get("ro.kernel.android.checkjni", propBuf, "");
549        if (propBuf[0] == '1') {
550            checkJni = true;
551        }
552    }
553
554    property_get("dalvik.vm.execution-mode", propBuf, "");
555    if (strcmp(propBuf, "int:portable") == 0) {
556        executionMode = kEMIntPortable;
557    } else if (strcmp(propBuf, "int:fast") == 0) {
558        executionMode = kEMIntFast;
559    }
560
561    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
562
563    property_get("log.redirect-stdio", propBuf, "");
564    if (strcmp(propBuf, "true") == 0) {
565        logStdio = true;
566    }
567
568    strcpy(enableAssertBuf, "-ea:");
569    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
570
571    strcpy(jniOptsBuf, "-Xjniopts:");
572    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
573
574    const char* rootDir = getenv("ANDROID_ROOT");
575    if (rootDir == NULL) {
576        rootDir = "/system";
577        if (!hasDir("/system")) {
578            LOG_FATAL("No root directory specified, and /android does not exist.");
579            return;
580        }
581        setenv("ANDROID_ROOT", rootDir, 1);
582    }
583
584    const char* kernelHack = getenv("LD_ASSUME_KERNEL");
585    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
586
587    /* route exit() to our handler */
588    opt.extraInfo = (void*) runtime_exit;
589    opt.optionString = "exit";
590    mOptions.add(opt);
591
592    /* route fprintf() to our handler */
593    opt.extraInfo = (void*) runtime_vfprintf;
594    opt.optionString = "vfprintf";
595    mOptions.add(opt);
596
597    opt.extraInfo = NULL;
598
599    /* enable verbose; standard options are { jni, gc, class } */
600    //options[curOpt++].optionString = "-verbose:jni";
601    opt.optionString = "-verbose:gc";
602    mOptions.add(opt);
603    //options[curOpt++].optionString = "-verbose:class";
604
605#ifdef CUSTOM_RUNTIME_HEAP_MAX
606#define __make_max_heap_opt(val) #val
607#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
608    opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
609#undef __make_max_heap_opt
610#undef _make_max_heap_opt
611#else
612    /* limit memory use to 16MB */
613    opt.optionString = "-Xmx16m";
614#endif
615    mOptions.add(opt);
616
617    /*
618     * Enable or disable dexopt features, such as bytecode verification and
619     * calculation of register maps for precise GC.
620     */
621    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
622    if (dexoptFlagsBuf[0] != '\0') {
623        const char* opc;
624        const char* val;
625
626        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
627        if (opc != NULL) {
628            switch (*(opc+2)) {
629            case 'n':   val = "-Xverify:none";      break;
630            case 'r':   val = "-Xverify:remote";    break;
631            case 'a':   val = "-Xverify:all";       break;
632            default:    val = NULL;                 break;
633            }
634
635            if (val != NULL) {
636                opt.optionString = val;
637                mOptions.add(opt);
638            }
639        }
640
641        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
642        if (opc != NULL) {
643            switch (*(opc+2)) {
644            case 'n':   val = "-Xdexopt:none";      break;
645            case 'v':   val = "-Xdexopt:verified";  break;
646            case 'a':   val = "-Xdexopt:all";       break;
647            default:    val = NULL;                 break;
648            }
649
650            if (val != NULL) {
651                opt.optionString = val;
652                mOptions.add(opt);
653            }
654        }
655
656        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
657        if (opc != NULL) {
658            opt.optionString = "-Xgenregmap";
659            mOptions.add(opt);
660        }
661    }
662
663    /* enable debugging; set suspend=y to pause during VM init */
664#ifdef HAVE_ANDROID_OS
665    /* use android ADB transport */
666    opt.optionString =
667        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
668#else
669    /* use TCP socket; address=0 means start at port 8000 and probe up */
670    LOGI("Using TCP socket for JDWP\n");
671    opt.optionString =
672        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
673#endif
674    mOptions.add(opt);
675
676    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
677    property_get("dalvik.vm.deadlock-predict", propBuf, "");
678    if (strlen(propBuf) > 0) {
679        strcpy(enableDPBuf, "-Xdeadlockpredict:");
680        strcat(enableDPBuf, propBuf);
681        opt.optionString = enableDPBuf;
682        mOptions.add(opt);
683    }
684
685    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
686    if (checkJni) {
687        /* extended JNI checking */
688        opt.optionString = "-Xcheck:jni";
689        mOptions.add(opt);
690
691        /* set a cap on JNI global references */
692        opt.optionString = "-Xjnigreflimit:2000";
693        mOptions.add(opt);
694
695        /* with -Xcheck:jni, this provides a JNI function call trace */
696        //opt.optionString = "-verbose:jni";
697        //mOptions.add(opt);
698    }
699    if (executionMode == kEMIntPortable) {
700        opt.optionString = "-Xint:portable";
701        mOptions.add(opt);
702    } else if (executionMode == kEMIntFast) {
703        opt.optionString = "-Xint:fast";
704        mOptions.add(opt);
705    }
706    if (logStdio) {
707        /* convert stdout/stderr to log messages */
708        opt.optionString = "-Xlog-stdio";
709        mOptions.add(opt);
710    }
711
712    if (enableAssertBuf[4] != '\0') {
713        /* accept "all" to mean "all classes and packages" */
714        if (strcmp(enableAssertBuf+4, "all") == 0)
715            enableAssertBuf[3] = '\0';
716        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
717        opt.optionString = enableAssertBuf;
718        mOptions.add(opt);
719    } else {
720        LOGV("Assertions disabled\n");
721    }
722
723    if (jniOptsBuf[10] != '\0') {
724        LOGI("JNI options: '%s'\n", jniOptsBuf);
725        opt.optionString = jniOptsBuf;
726        mOptions.add(opt);
727    }
728
729    if (stackTraceFileBuf[0] != '\0') {
730        static const char* stfOptName = "-Xstacktracefile:";
731
732        stackTraceFile = (char*) malloc(strlen(stfOptName) +
733            strlen(stackTraceFileBuf) +1);
734        strcpy(stackTraceFile, stfOptName);
735        strcat(stackTraceFile, stackTraceFileBuf);
736        opt.optionString = stackTraceFile;
737        mOptions.add(opt);
738    }
739
740    /* Set the properties for locale */
741    {
742        char langOption[sizeof("-Duser.language=") + 3];
743        char regionOption[sizeof("-Duser.region=") + 3];
744        strcpy(langOption, "-Duser.language=");
745        strcpy(regionOption, "-Duser.region=");
746        readLocale(langOption, regionOption);
747        opt.extraInfo = NULL;
748        opt.optionString = langOption;
749        mOptions.add(opt);
750        opt.optionString = regionOption;
751        mOptions.add(opt);
752    }
753
754    /*
755     * We don't have /tmp on the device, but we often have an SD card.  Apps
756     * shouldn't use this, but some test suites might want to exercise it.
757     */
758    opt.optionString = "-Djava.io.tmpdir=/sdcard";
759    mOptions.add(opt);
760
761    initArgs.version = JNI_VERSION_1_4;
762    initArgs.options = mOptions.editArray();
763    initArgs.nOptions = mOptions.size();
764    initArgs.ignoreUnrecognized = JNI_FALSE;
765
766    /*
767     * Initialize the VM.
768     *
769     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
770     * If this call succeeds, the VM is ready, and we can start issuing
771     * JNI calls.
772     */
773    if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) {
774        LOGE("JNI_CreateJavaVM failed\n");
775        goto bail;
776    }
777
778    /*
779     * Register android functions.
780     */
781    if (startReg(env) < 0) {
782        LOGE("Unable to register all android natives\n");
783        goto bail;
784    }
785
786    /*
787     * We want to call main() with a String array with arguments in it.
788     * At present we only have one argument, the class name.  Create an
789     * array to hold it.
790     */
791    jclass stringClass;
792    jobjectArray strArray;
793    jstring classNameStr;
794    jstring startSystemServerStr;
795
796    stringClass = env->FindClass("java/lang/String");
797    assert(stringClass != NULL);
798    strArray = env->NewObjectArray(2, stringClass, NULL);
799    assert(strArray != NULL);
800    classNameStr = env->NewStringUTF(className);
801    assert(classNameStr != NULL);
802    env->SetObjectArrayElement(strArray, 0, classNameStr);
803    startSystemServerStr = env->NewStringUTF(startSystemServer ?
804                                                 "true" : "false");
805    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
806
807    /*
808     * Start VM.  This thread becomes the main thread of the VM, and will
809     * not return until the VM exits.
810     */
811    jclass startClass;
812    jmethodID startMeth;
813
814    slashClassName = strdup(className);
815    for (cp = slashClassName; *cp != '\0'; cp++)
816        if (*cp == '.')
817            *cp = '/';
818
819    startClass = env->FindClass(slashClassName);
820    if (startClass == NULL) {
821        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
822        /* keep going */
823    } else {
824        startMeth = env->GetStaticMethodID(startClass, "main",
825            "([Ljava/lang/String;)V");
826        if (startMeth == NULL) {
827            LOGE("JavaVM unable to find main() in '%s'\n", className);
828            /* keep going */
829        } else {
830            env->CallStaticVoidMethod(startClass, startMeth, strArray);
831
832#if 0
833            if (env->ExceptionCheck())
834                threadExitUncaughtException(env);
835#endif
836        }
837    }
838
839    LOGD("Shutting down VM\n");
840    if (mJavaVM->DetachCurrentThread() != JNI_OK)
841        LOGW("Warning: unable to detach main thread\n");
842    if (mJavaVM->DestroyJavaVM() != 0)
843        LOGW("Warning: VM did not shut down cleanly\n");
844
845bail:
846    free(slashClassName);
847    free(stackTraceFile);
848}
849
850void AndroidRuntime::start()
851{
852    start("com.android.internal.os.RuntimeInit",
853        false /* Don't start the system server */);
854}
855
856void AndroidRuntime::onExit(int code)
857{
858    LOGI("AndroidRuntime onExit calling exit(%d)", code);
859    exit(code);
860}
861
862/*
863 * Get the JNIEnv pointer for this thread.
864 *
865 * Returns NULL if the slot wasn't allocated or populated.
866 */
867/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
868{
869    JNIEnv* env;
870    JavaVM* vm = AndroidRuntime::getJavaVM();
871    assert(vm != NULL);
872
873    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
874        return NULL;
875    return env;
876}
877
878/*
879 * Makes the current thread visible to the VM.
880 *
881 * The JNIEnv pointer returned is only valid for the current thread, and
882 * thus must be tucked into thread-local storage.
883 */
884static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
885{
886    JavaVMAttachArgs args;
887    JavaVM* vm;
888    jint result;
889
890    vm = AndroidRuntime::getJavaVM();
891    assert(vm != NULL);
892
893    args.version = JNI_VERSION_1_4;
894    args.name = (char*) threadName;
895    args.group = NULL;
896
897    result = vm->AttachCurrentThread(pEnv, (void*) &args);
898    if (result != JNI_OK)
899        LOGE("ERROR: thread attach failed\n");
900
901    return result;
902}
903
904/*
905 * Detach the current thread from the set visible to the VM.
906 */
907static int javaDetachThread(void)
908{
909    JavaVM* vm;
910    jint result;
911
912    vm = AndroidRuntime::getJavaVM();
913    assert(vm != NULL);
914
915    result = vm->DetachCurrentThread();
916    if (result != JNI_OK)
917        LOGE("ERROR: thread detach failed\n");
918    return result;
919}
920
921/*
922 * When starting a native thread that will be visible from the VM, we
923 * bounce through this to get the right attach/detach action.
924 * Note that this function calls free(args)
925 */
926/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
927    void* start = ((void**)args)[0];
928    void* userData = ((void **)args)[1];
929    char* name = (char*) ((void **)args)[2];        // we own this storage
930    free(args);
931    JNIEnv* env;
932    int result;
933
934    /* hook us into the VM */
935    if (javaAttachThread(name, &env) != JNI_OK)
936        return -1;
937
938    /* start the thread running */
939    result = (*(android_thread_func_t)start)(userData);
940
941    /* unhook us */
942    javaDetachThread();
943    free(name);
944
945    return result;
946}
947
948/*
949 * This is invoked from androidCreateThreadEtc() via the callback
950 * set with androidSetCreateThreadFunc().
951 *
952 * We need to create the new thread in such a way that it gets hooked
953 * into the VM before it really starts executing.
954 */
955/*static*/ int AndroidRuntime::javaCreateThreadEtc(
956                                android_thread_func_t entryFunction,
957                                void* userData,
958                                const char* threadName,
959                                int32_t threadPriority,
960                                size_t threadStackSize,
961                                android_thread_id_t* threadId)
962{
963    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
964    int result;
965
966    assert(threadName != NULL);
967
968    args[0] = (void*) entryFunction;
969    args[1] = userData;
970    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
971
972    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
973        threadName, threadPriority, threadStackSize, threadId);
974    return result;
975}
976
977/*
978 * Create a thread that is visible from the VM.
979 *
980 * This is called from elsewhere in the library.
981 */
982/*static*/ void AndroidRuntime::createJavaThread(const char* name,
983    void (*start)(void *), void* arg)
984{
985    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
986        ANDROID_PRIORITY_DEFAULT, 0, NULL);
987}
988
989#if 0
990static void quickTest(void* arg)
991{
992    const char* str = (const char*) arg;
993
994    printf("In quickTest: %s\n", str);
995}
996#endif
997
998#ifdef NDEBUG
999    #define REG_JNI(name)      { name }
1000    struct RegJNIRec {
1001        int (*mProc)(JNIEnv*);
1002    };
1003#else
1004    #define REG_JNI(name)      { name, #name }
1005    struct RegJNIRec {
1006        int (*mProc)(JNIEnv*);
1007        const char* mName;
1008    };
1009#endif
1010
1011typedef void (*RegJAMProc)();
1012
1013static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1014{
1015    for (size_t i = 0; i < count; i++) {
1016        if (array[i].mProc(env) < 0) {
1017#ifndef NDEBUG
1018            LOGD("----------!!! %s failed to load\n", array[i].mName);
1019#endif
1020            return -1;
1021        }
1022    }
1023    return 0;
1024}
1025
1026static void register_jam_procs(const RegJAMProc array[], size_t count)
1027{
1028    for (size_t i = 0; i < count; i++) {
1029        array[i]();
1030    }
1031}
1032
1033static const RegJNIRec gRegJNI[] = {
1034    REG_JNI(register_android_debug_JNITest),
1035    REG_JNI(register_com_android_internal_os_RuntimeInit),
1036    REG_JNI(register_android_os_SystemClock),
1037    REG_JNI(register_android_util_EventLog),
1038    REG_JNI(register_android_util_Log),
1039    REG_JNI(register_android_util_FloatMath),
1040    REG_JNI(register_android_text_format_Time),
1041    REG_JNI(register_android_pim_EventRecurrence),
1042    REG_JNI(register_android_content_AssetManager),
1043    REG_JNI(register_android_content_StringBlock),
1044    REG_JNI(register_android_content_XmlBlock),
1045    REG_JNI(register_android_emoji_EmojiFactory),
1046    REG_JNI(register_android_security_Md5MessageDigest),
1047    REG_JNI(register_android_text_AndroidCharacter),
1048    REG_JNI(register_android_text_KeyCharacterMap),
1049    REG_JNI(register_android_os_Process),
1050    REG_JNI(register_android_os_Binder),
1051    REG_JNI(register_android_os_Hardware),
1052    REG_JNI(register_android_view_Display),
1053    REG_JNI(register_android_nio_utils),
1054    REG_JNI(register_android_graphics_PixelFormat),
1055    REG_JNI(register_android_graphics_Graphics),
1056    REG_JNI(register_android_view_Surface),
1057    REG_JNI(register_android_view_ViewRoot),
1058    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1059    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1060    REG_JNI(register_android_opengl_jni_GLES10),
1061    REG_JNI(register_android_opengl_jni_GLES10Ext),
1062    REG_JNI(register_android_opengl_jni_GLES11),
1063    REG_JNI(register_android_opengl_jni_GLES11Ext),
1064
1065    REG_JNI(register_android_graphics_Bitmap),
1066    REG_JNI(register_android_graphics_BitmapFactory),
1067    REG_JNI(register_android_graphics_Camera),
1068    REG_JNI(register_android_graphics_Canvas),
1069    REG_JNI(register_android_graphics_ColorFilter),
1070    REG_JNI(register_android_graphics_DrawFilter),
1071    REG_JNI(register_android_graphics_Interpolator),
1072    REG_JNI(register_android_graphics_LayerRasterizer),
1073    REG_JNI(register_android_graphics_MaskFilter),
1074    REG_JNI(register_android_graphics_Matrix),
1075    REG_JNI(register_android_graphics_Movie),
1076    REG_JNI(register_android_graphics_NinePatch),
1077    REG_JNI(register_android_graphics_Paint),
1078    REG_JNI(register_android_graphics_Path),
1079    REG_JNI(register_android_graphics_PathMeasure),
1080    REG_JNI(register_android_graphics_PathEffect),
1081    REG_JNI(register_android_graphics_Picture),
1082    REG_JNI(register_android_graphics_PorterDuff),
1083    REG_JNI(register_android_graphics_Rasterizer),
1084    REG_JNI(register_android_graphics_Region),
1085    REG_JNI(register_android_graphics_Shader),
1086    REG_JNI(register_android_graphics_Typeface),
1087    REG_JNI(register_android_graphics_Xfermode),
1088    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1089
1090    REG_JNI(register_android_database_CursorWindow),
1091    REG_JNI(register_android_database_SQLiteDatabase),
1092    REG_JNI(register_android_database_SQLiteDebug),
1093    REG_JNI(register_android_database_SQLiteProgram),
1094    REG_JNI(register_android_database_SQLiteQuery),
1095    REG_JNI(register_android_database_SQLiteStatement),
1096    REG_JNI(register_android_os_Debug),
1097    REG_JNI(register_android_os_Exec),
1098    REG_JNI(register_android_os_FileObserver),
1099    REG_JNI(register_android_os_FileUtils),
1100    REG_JNI(register_android_os_ParcelFileDescriptor),
1101    REG_JNI(register_android_os_Power),
1102    REG_JNI(register_android_os_StatFs),
1103    REG_JNI(register_android_os_SystemProperties),
1104    REG_JNI(register_android_os_UEventObserver),
1105    REG_JNI(register_android_net_LocalSocketImpl),
1106    REG_JNI(register_android_net_NetworkUtils),
1107    REG_JNI(register_android_net_wifi_WifiManager),
1108    REG_JNI(register_android_os_MemoryFile),
1109    REG_JNI(register_com_android_internal_os_ZygoteInit),
1110    REG_JNI(register_android_hardware_Camera),
1111    REG_JNI(register_android_hardware_SensorManager),
1112    REG_JNI(register_android_media_AudioRecord),
1113    REG_JNI(register_android_media_AudioSystem),
1114    REG_JNI(register_android_media_AudioTrack),
1115    REG_JNI(register_android_media_JetPlayer),
1116    REG_JNI(register_android_media_ToneGenerator),
1117
1118    REG_JNI(register_android_opengl_classes),
1119    REG_JNI(register_android_bluetooth_Database),
1120    REG_JNI(register_android_bluetooth_HeadsetBase),
1121    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1122    REG_JNI(register_android_bluetooth_RfcommSocket),
1123    REG_JNI(register_android_bluetooth_ScoSocket),
1124    REG_JNI(register_android_server_BluetoothDeviceService),
1125    REG_JNI(register_android_server_BluetoothEventLoop),
1126    REG_JNI(register_android_server_BluetoothA2dpService),
1127    REG_JNI(register_android_message_digest_sha1),
1128    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1129    REG_JNI(register_android_util_Base64),
1130    REG_JNI(register_android_location_GpsLocationProvider),
1131    REG_JNI(register_android_backup_BackupDataInput),
1132    REG_JNI(register_android_backup_BackupDataOutput),
1133    REG_JNI(register_android_backup_FileBackupHelper),
1134};
1135
1136/*
1137 * Register android native functions with the VM.
1138 */
1139/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1140{
1141    /*
1142     * This hook causes all future threads created in this process to be
1143     * attached to the JavaVM.  (This needs to go away in favor of JNI
1144     * Attach calls.)
1145     */
1146    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1147
1148    LOGD("--- registering native functions ---\n");
1149
1150    /*
1151     * Every "register" function calls one or more things that return
1152     * a local reference (e.g. FindClass).  Because we haven't really
1153     * started the VM yet, they're all getting stored in the base frame
1154     * and never released.  Use Push/Pop to manage the storage.
1155     */
1156    env->PushLocalFrame(200);
1157
1158    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1159        env->PopLocalFrame(NULL);
1160        return -1;
1161    }
1162    env->PopLocalFrame(NULL);
1163
1164    //createJavaThread("fubar", quickTest, (void*) "hello");
1165
1166    return 0;
1167}
1168
1169AndroidRuntime* AndroidRuntime::getRuntime()
1170{
1171    return gCurRuntime;
1172}
1173
1174/**
1175 * Used by WithFramework to register native functions.
1176 */
1177extern "C"
1178jint Java_com_android_internal_util_WithFramework_registerNatives(
1179        JNIEnv* env, jclass clazz) {
1180    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1181}
1182
1183/**
1184 * Used by LoadClass to register native functions.
1185 */
1186extern "C"
1187jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1188    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1189}
1190
1191}   // namespace android
1192