AndroidRuntime.cpp revision 4ababd922eac5931e0222862ff082dc29e012816 
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_FileBackupHelperBase(JNIEnv *env);
161extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
162
163static AndroidRuntime* gCurRuntime = NULL;
164
165static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
166{
167    if (jniThrowException(env, exc, msg) != 0)
168        assert(false);
169}
170
171/*
172 * Code written in the Java Programming Language calls here from main().
173 */
174static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
175{
176    gCurRuntime->onStarted();
177}
178
179static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
180{
181    gCurRuntime->onZygoteInit();
182}
183
184static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
185{
186    return 1;
187}
188
189static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
190{
191}
192
193static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
194{
195    char* value = getenv("qwerty");
196    if (value != NULL && strcmp(value, "true") == 0) {
197        return 1;
198    }
199
200    return 0;
201}
202
203/*
204 * JNI registration.
205 */
206static JNINativeMethod gMethods[] = {
207    { "finishInit", "()V",
208        (void*) com_android_internal_os_RuntimeInit_finishInit },
209    { "zygoteInitNative", "()V",
210        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
211    { "isComputerOn", "()I",
212        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
213    { "turnComputerOn", "()V",
214        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
215    { "getQwertyKeyboard", "()I",
216        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
217};
218
219int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
220{
221    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
222        gMethods, NELEM(gMethods));
223}
224
225// ----------------------------------------------------------------------
226
227/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
228
229
230AndroidRuntime::AndroidRuntime()
231{
232    SkGraphics::Init();
233    // this sets our preference for 16bit images during decode
234    // in case the src is opaque and 24bit
235    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
236    // This cache is shared between browser native images, and java "purgeable"
237    // bitmaps. This globalpool is for images that do not either use the java
238    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
239    // java call site.
240    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
241    // There is also a global font cache, but its budget is specified in code
242    // see SkFontHost_android.cpp
243
244    // Pre-allocate enough space to hold a fair number of options.
245    mOptions.setCapacity(20);
246
247    assert(gCurRuntime == NULL);        // one per process
248    gCurRuntime = this;
249}
250
251AndroidRuntime::~AndroidRuntime()
252{
253    SkGraphics::Term();
254}
255
256/*
257 * Register native methods using JNI.
258 */
259/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
260    const char* className, const JNINativeMethod* gMethods, int numMethods)
261{
262    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
263}
264
265/*
266 * Call a static Java Programming Language function that takes no arguments and returns void.
267 */
268status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
269{
270    JNIEnv* env;
271    jclass clazz;
272    jmethodID methodId;
273
274    env = getJNIEnv();
275    if (env == NULL)
276        return UNKNOWN_ERROR;
277
278    clazz = findClass(env, className);
279    if (clazz == NULL) {
280        LOGE("ERROR: could not find class '%s'\n", className);
281        return UNKNOWN_ERROR;
282    }
283    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
284    if (methodId == NULL) {
285        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
286        return UNKNOWN_ERROR;
287    }
288
289    env->CallStaticVoidMethod(clazz, methodId);
290
291    return NO_ERROR;
292}
293
294status_t AndroidRuntime::callMain(
295    const char* className, int argc, const char* const argv[])
296{
297    JNIEnv* env;
298    jclass clazz;
299    jmethodID methodId;
300
301    env = getJNIEnv();
302    if (env == NULL)
303        return UNKNOWN_ERROR;
304
305    clazz = findClass(env, className);
306    if (clazz == NULL) {
307        LOGE("ERROR: could not find class '%s'\n", className);
308        return UNKNOWN_ERROR;
309    }
310
311    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
312    if (methodId == NULL) {
313        LOGE("ERROR: could not find method %s.main(String[])\n", className);
314        return UNKNOWN_ERROR;
315    }
316
317    /*
318     * We want to call main() with a String array with our arguments in it.
319     * Create an array and populate it.
320     */
321    jclass stringClass;
322    jobjectArray strArray;
323
324    stringClass = env->FindClass("java/lang/String");
325    strArray = env->NewObjectArray(argc, stringClass, NULL);
326
327    for (int i = 0; i < argc; i++) {
328        jstring argStr = env->NewStringUTF(argv[i]);
329        env->SetObjectArrayElement(strArray, i, argStr);
330    }
331
332    env->CallStaticVoidMethod(clazz, methodId, strArray);
333    return NO_ERROR;
334}
335
336/*
337 * Find the named class.
338 */
339jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
340{
341    char* convName = NULL;
342
343    if (env->ExceptionCheck()) {
344        LOGE("ERROR: exception pending on entry to findClass()\n");
345        return NULL;
346    }
347
348    /*
349     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
350     * uses the dotted "binary name" format.  We don't need to convert the
351     * name with the new approach.
352     */
353#if 0
354    /* (convName only created if necessary -- use className) */
355    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
356        if (*cp == '.') {
357            if (convName == NULL) {
358                convName = strdup(className);
359                cp = convName + (cp-className);
360                className = convName;
361            }
362            *cp = '/';
363        }
364    }
365#endif
366
367    /*
368     * This is a little awkward because the JNI FindClass call uses the
369     * class loader associated with the native method we're executing in.
370     * Because this native method is part of a "boot" class, JNI doesn't
371     * look for the class in CLASSPATH, which unfortunately is a likely
372     * location for it.  (Had we issued the FindClass call before calling
373     * into the VM -- at which point there isn't a native method frame on
374     * the stack -- the VM would have checked CLASSPATH.  We have to do
375     * this because we call into Java Programming Language code and
376     * bounce back out.)
377     *
378     * JNI lacks a "find class in a specific class loader" operation, so we
379     * have to do things the hard way.
380     */
381    jclass cls = NULL;
382    //cls = env->FindClass(className);
383
384    jclass javaLangClassLoader;
385    jmethodID getSystemClassLoader, loadClass;
386    jobject systemClassLoader;
387    jstring strClassName;
388
389    /* find the "system" class loader; none of this is expected to fail */
390    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
391    assert(javaLangClassLoader != NULL);
392    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
393        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
394    loadClass = env->GetMethodID(javaLangClassLoader,
395        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
396    assert(getSystemClassLoader != NULL && loadClass != NULL);
397    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
398        getSystemClassLoader);
399    assert(systemClassLoader != NULL);
400
401    /* create an object for the class name string; alloc could fail */
402    strClassName = env->NewStringUTF(className);
403    if (env->ExceptionCheck()) {
404        LOGE("ERROR: unable to convert '%s' to string\n", className);
405        goto bail;
406    }
407    LOGV("system class loader is %p, loading %p (%s)\n",
408        systemClassLoader, strClassName, className);
409
410    /* try to find the named class */
411    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
412                        strClassName);
413    if (env->ExceptionCheck()) {
414        LOGE("ERROR: unable to load class '%s' from %p\n",
415            className, systemClassLoader);
416        cls = NULL;
417        goto bail;
418    }
419
420bail:
421    free(convName);
422    return cls;
423}
424
425/*
426 * The VM calls this through the "exit" hook.
427 */
428static void runtime_exit(int code)
429{
430    gCurRuntime->onExit(code);
431    exit(code);
432}
433
434/*
435 * The VM calls this through the "vfprintf" hook.
436 *
437 * We ignore "fp" and just write the results to the log file.
438 */
439static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
440{
441    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
442}
443
444
445/**
446 * Add VM arguments to the to-be-executed VM
447 * Stops at first non '-' argument (also stops at an argument of '--')
448 * Returns the number of args consumed
449 */
450int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
451{
452    int i;
453
454    for (i = 0; i<argc; i++) {
455        if (argv[i][0] != '-') {
456            return i;
457        }
458        if (argv[i][1] == '-' && argv[i][2] == 0) {
459            return i+1;
460        }
461
462        JavaVMOption opt;
463        memset(&opt, 0, sizeof(opt));
464        opt.optionString = (char*)argv[i];
465        mOptions.add(opt);
466    }
467    return i;
468}
469
470static int hasDir(const char* dir)
471{
472    struct stat s;
473    int res = stat(dir, &s);
474    if (res == 0) {
475        return S_ISDIR(s.st_mode);
476    }
477    return 0;
478}
479
480/*
481 * We just want failed write() calls to just return with an error.
482 */
483static void blockSigpipe()
484{
485    sigset_t mask;
486
487    sigemptyset(&mask);
488    sigaddset(&mask, SIGPIPE);
489    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
490        LOGW("WARNING: SIGPIPE not blocked\n");
491}
492
493/*
494 * Read the persistent locale.
495 */
496static void readLocale(char* language, char* region)
497{
498    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
499
500    property_get("persist.sys.language", propLang, "");
501    property_get("persist.sys.country", propRegn, "");
502    if (*propLang == 0 && *propRegn == 0) {
503        /* Set to ro properties, default is en_US */
504        property_get("ro.product.locale.language", propLang, "en");
505        property_get("ro.product.locale.region", propRegn, "US");
506    }
507    strncat(language, propLang, 2);
508    strncat(region, propRegn, 2);
509    //LOGD("language=%s region=%s\n", language, region);
510}
511
512void AndroidRuntime::start(const char* className, const bool startSystemServer)
513{
514    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
515
516    JNIEnv* env;
517    JavaVMInitArgs initArgs;
518    JavaVMOption opt;
519    char propBuf[PROPERTY_VALUE_MAX];
520    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
521    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
522    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
523    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
524    char* stackTraceFile = NULL;
525    char* slashClassName = NULL;
526    char* cp;
527    bool checkJni = false;
528    bool logStdio = false;
529    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
530
531    blockSigpipe();
532
533    /*
534     * 'startSystemServer == true' means runtime is obslete and not run from
535     * init.rc anymore, so we print out the boot start event here.
536     */
537    if (startSystemServer) {
538        /* track our progress through the boot sequence */
539        const int LOG_BOOT_PROGRESS_START = 3000;
540        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
541                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
542    }
543
544    property_get("dalvik.vm.checkjni", propBuf, "");
545    if (strcmp(propBuf, "true") == 0) {
546        checkJni = true;
547    } else if (strcmp(propBuf, "false") != 0) {
548        /* property is neither true nor false; fall back on kernel parameter */
549        property_get("ro.kernel.android.checkjni", propBuf, "");
550        if (propBuf[0] == '1') {
551            checkJni = true;
552        }
553    }
554
555    property_get("dalvik.vm.execution-mode", propBuf, "");
556    if (strcmp(propBuf, "int:portable") == 0) {
557        executionMode = kEMIntPortable;
558    } else if (strcmp(propBuf, "int:fast") == 0) {
559        executionMode = kEMIntFast;
560    }
561
562    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
563
564    property_get("log.redirect-stdio", propBuf, "");
565    if (strcmp(propBuf, "true") == 0) {
566        logStdio = true;
567    }
568
569    strcpy(enableAssertBuf, "-ea:");
570    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
571
572    strcpy(jniOptsBuf, "-Xjniopts:");
573    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
574
575    const char* rootDir = getenv("ANDROID_ROOT");
576    if (rootDir == NULL) {
577        rootDir = "/system";
578        if (!hasDir("/system")) {
579            LOG_FATAL("No root directory specified, and /android does not exist.");
580            return;
581        }
582        setenv("ANDROID_ROOT", rootDir, 1);
583    }
584
585    const char* kernelHack = getenv("LD_ASSUME_KERNEL");
586    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
587
588    /* route exit() to our handler */
589    opt.extraInfo = (void*) runtime_exit;
590    opt.optionString = "exit";
591    mOptions.add(opt);
592
593    /* route fprintf() to our handler */
594    opt.extraInfo = (void*) runtime_vfprintf;
595    opt.optionString = "vfprintf";
596    mOptions.add(opt);
597
598    opt.extraInfo = NULL;
599
600    /* enable verbose; standard options are { jni, gc, class } */
601    //options[curOpt++].optionString = "-verbose:jni";
602    opt.optionString = "-verbose:gc";
603    mOptions.add(opt);
604    //options[curOpt++].optionString = "-verbose:class";
605
606#ifdef CUSTOM_RUNTIME_HEAP_MAX
607#define __make_max_heap_opt(val) #val
608#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
609    opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
610#undef __make_max_heap_opt
611#undef _make_max_heap_opt
612#else
613    /* limit memory use to 16MB */
614    opt.optionString = "-Xmx16m";
615#endif
616    mOptions.add(opt);
617
618    /*
619     * Enable or disable dexopt features, such as bytecode verification and
620     * calculation of register maps for precise GC.
621     */
622    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
623    if (dexoptFlagsBuf[0] != '\0') {
624        const char* opc;
625        const char* val;
626
627        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
628        if (opc != NULL) {
629            switch (*(opc+2)) {
630            case 'n':   val = "-Xverify:none";      break;
631            case 'r':   val = "-Xverify:remote";    break;
632            case 'a':   val = "-Xverify:all";       break;
633            default:    val = NULL;                 break;
634            }
635
636            if (val != NULL) {
637                opt.optionString = val;
638                mOptions.add(opt);
639            }
640        }
641
642        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
643        if (opc != NULL) {
644            switch (*(opc+2)) {
645            case 'n':   val = "-Xdexopt:none";      break;
646            case 'v':   val = "-Xdexopt:verified";  break;
647            case 'a':   val = "-Xdexopt:all";       break;
648            default:    val = NULL;                 break;
649            }
650
651            if (val != NULL) {
652                opt.optionString = val;
653                mOptions.add(opt);
654            }
655        }
656
657        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
658        if (opc != NULL) {
659            opt.optionString = "-Xgenregmap";
660            mOptions.add(opt);
661        }
662    }
663
664    /* enable debugging; set suspend=y to pause during VM init */
665#ifdef HAVE_ANDROID_OS
666    /* use android ADB transport */
667    opt.optionString =
668        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
669#else
670    /* use TCP socket; address=0 means start at port 8000 and probe up */
671    LOGI("Using TCP socket for JDWP\n");
672    opt.optionString =
673        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
674#endif
675    mOptions.add(opt);
676
677    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
678    property_get("dalvik.vm.deadlock-predict", propBuf, "");
679    if (strlen(propBuf) > 0) {
680        strcpy(enableDPBuf, "-Xdeadlockpredict:");
681        strcat(enableDPBuf, propBuf);
682        opt.optionString = enableDPBuf;
683        mOptions.add(opt);
684    }
685
686    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
687    if (checkJni) {
688        /* extended JNI checking */
689        opt.optionString = "-Xcheck:jni";
690        mOptions.add(opt);
691
692        /* set a cap on JNI global references */
693        opt.optionString = "-Xjnigreflimit:2000";
694        mOptions.add(opt);
695
696        /* with -Xcheck:jni, this provides a JNI function call trace */
697        //opt.optionString = "-verbose:jni";
698        //mOptions.add(opt);
699    }
700    if (executionMode == kEMIntPortable) {
701        opt.optionString = "-Xint:portable";
702        mOptions.add(opt);
703    } else if (executionMode == kEMIntFast) {
704        opt.optionString = "-Xint:fast";
705        mOptions.add(opt);
706    }
707    if (logStdio) {
708        /* convert stdout/stderr to log messages */
709        opt.optionString = "-Xlog-stdio";
710        mOptions.add(opt);
711    }
712
713    if (enableAssertBuf[4] != '\0') {
714        /* accept "all" to mean "all classes and packages" */
715        if (strcmp(enableAssertBuf+4, "all") == 0)
716            enableAssertBuf[3] = '\0';
717        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
718        opt.optionString = enableAssertBuf;
719        mOptions.add(opt);
720    } else {
721        LOGV("Assertions disabled\n");
722    }
723
724    if (jniOptsBuf[10] != '\0') {
725        LOGI("JNI options: '%s'\n", jniOptsBuf);
726        opt.optionString = jniOptsBuf;
727        mOptions.add(opt);
728    }
729
730    if (stackTraceFileBuf[0] != '\0') {
731        static const char* stfOptName = "-Xstacktracefile:";
732
733        stackTraceFile = (char*) malloc(strlen(stfOptName) +
734            strlen(stackTraceFileBuf) +1);
735        strcpy(stackTraceFile, stfOptName);
736        strcat(stackTraceFile, stackTraceFileBuf);
737        opt.optionString = stackTraceFile;
738        mOptions.add(opt);
739    }
740
741    /* Set the properties for locale */
742    {
743        char langOption[sizeof("-Duser.language=") + 3];
744        char regionOption[sizeof("-Duser.region=") + 3];
745        strcpy(langOption, "-Duser.language=");
746        strcpy(regionOption, "-Duser.region=");
747        readLocale(langOption, regionOption);
748        opt.extraInfo = NULL;
749        opt.optionString = langOption;
750        mOptions.add(opt);
751        opt.optionString = regionOption;
752        mOptions.add(opt);
753    }
754
755    /*
756     * We don't have /tmp on the device, but we often have an SD card.  Apps
757     * shouldn't use this, but some test suites might want to exercise it.
758     */
759    opt.optionString = "-Djava.io.tmpdir=/sdcard";
760    mOptions.add(opt);
761
762    initArgs.version = JNI_VERSION_1_4;
763    initArgs.options = mOptions.editArray();
764    initArgs.nOptions = mOptions.size();
765    initArgs.ignoreUnrecognized = JNI_FALSE;
766
767    /*
768     * Initialize the VM.
769     *
770     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
771     * If this call succeeds, the VM is ready, and we can start issuing
772     * JNI calls.
773     */
774    if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) {
775        LOGE("JNI_CreateJavaVM failed\n");
776        goto bail;
777    }
778
779    /*
780     * Register android functions.
781     */
782    if (startReg(env) < 0) {
783        LOGE("Unable to register all android natives\n");
784        goto bail;
785    }
786
787    /*
788     * We want to call main() with a String array with arguments in it.
789     * At present we only have one argument, the class name.  Create an
790     * array to hold it.
791     */
792    jclass stringClass;
793    jobjectArray strArray;
794    jstring classNameStr;
795    jstring startSystemServerStr;
796
797    stringClass = env->FindClass("java/lang/String");
798    assert(stringClass != NULL);
799    strArray = env->NewObjectArray(2, stringClass, NULL);
800    assert(strArray != NULL);
801    classNameStr = env->NewStringUTF(className);
802    assert(classNameStr != NULL);
803    env->SetObjectArrayElement(strArray, 0, classNameStr);
804    startSystemServerStr = env->NewStringUTF(startSystemServer ?
805                                                 "true" : "false");
806    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
807
808    /*
809     * Start VM.  This thread becomes the main thread of the VM, and will
810     * not return until the VM exits.
811     */
812    jclass startClass;
813    jmethodID startMeth;
814
815    slashClassName = strdup(className);
816    for (cp = slashClassName; *cp != '\0'; cp++)
817        if (*cp == '.')
818            *cp = '/';
819
820    startClass = env->FindClass(slashClassName);
821    if (startClass == NULL) {
822        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
823        /* keep going */
824    } else {
825        startMeth = env->GetStaticMethodID(startClass, "main",
826            "([Ljava/lang/String;)V");
827        if (startMeth == NULL) {
828            LOGE("JavaVM unable to find main() in '%s'\n", className);
829            /* keep going */
830        } else {
831            env->CallStaticVoidMethod(startClass, startMeth, strArray);
832
833#if 0
834            if (env->ExceptionCheck())
835                threadExitUncaughtException(env);
836#endif
837        }
838    }
839
840    LOGD("Shutting down VM\n");
841    if (mJavaVM->DetachCurrentThread() != JNI_OK)
842        LOGW("Warning: unable to detach main thread\n");
843    if (mJavaVM->DestroyJavaVM() != 0)
844        LOGW("Warning: VM did not shut down cleanly\n");
845
846bail:
847    free(slashClassName);
848    free(stackTraceFile);
849}
850
851void AndroidRuntime::start()
852{
853    start("com.android.internal.os.RuntimeInit",
854        false /* Don't start the system server */);
855}
856
857void AndroidRuntime::onExit(int code)
858{
859    LOGI("AndroidRuntime onExit calling exit(%d)", code);
860    exit(code);
861}
862
863/*
864 * Get the JNIEnv pointer for this thread.
865 *
866 * Returns NULL if the slot wasn't allocated or populated.
867 */
868/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
869{
870    JNIEnv* env;
871    JavaVM* vm = AndroidRuntime::getJavaVM();
872    assert(vm != NULL);
873
874    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
875        return NULL;
876    return env;
877}
878
879/*
880 * Makes the current thread visible to the VM.
881 *
882 * The JNIEnv pointer returned is only valid for the current thread, and
883 * thus must be tucked into thread-local storage.
884 */
885static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
886{
887    JavaVMAttachArgs args;
888    JavaVM* vm;
889    jint result;
890
891    vm = AndroidRuntime::getJavaVM();
892    assert(vm != NULL);
893
894    args.version = JNI_VERSION_1_4;
895    args.name = (char*) threadName;
896    args.group = NULL;
897
898    result = vm->AttachCurrentThread(pEnv, (void*) &args);
899    if (result != JNI_OK)
900        LOGE("ERROR: thread attach failed\n");
901
902    return result;
903}
904
905/*
906 * Detach the current thread from the set visible to the VM.
907 */
908static int javaDetachThread(void)
909{
910    JavaVM* vm;
911    jint result;
912
913    vm = AndroidRuntime::getJavaVM();
914    assert(vm != NULL);
915
916    result = vm->DetachCurrentThread();
917    if (result != JNI_OK)
918        LOGE("ERROR: thread detach failed\n");
919    return result;
920}
921
922/*
923 * When starting a native thread that will be visible from the VM, we
924 * bounce through this to get the right attach/detach action.
925 * Note that this function calls free(args)
926 */
927/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
928    void* start = ((void**)args)[0];
929    void* userData = ((void **)args)[1];
930    char* name = (char*) ((void **)args)[2];        // we own this storage
931    free(args);
932    JNIEnv* env;
933    int result;
934
935    /* hook us into the VM */
936    if (javaAttachThread(name, &env) != JNI_OK)
937        return -1;
938
939    /* start the thread running */
940    result = (*(android_thread_func_t)start)(userData);
941
942    /* unhook us */
943    javaDetachThread();
944    free(name);
945
946    return result;
947}
948
949/*
950 * This is invoked from androidCreateThreadEtc() via the callback
951 * set with androidSetCreateThreadFunc().
952 *
953 * We need to create the new thread in such a way that it gets hooked
954 * into the VM before it really starts executing.
955 */
956/*static*/ int AndroidRuntime::javaCreateThreadEtc(
957                                android_thread_func_t entryFunction,
958                                void* userData,
959                                const char* threadName,
960                                int32_t threadPriority,
961                                size_t threadStackSize,
962                                android_thread_id_t* threadId)
963{
964    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
965    int result;
966
967    assert(threadName != NULL);
968
969    args[0] = (void*) entryFunction;
970    args[1] = userData;
971    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
972
973    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
974        threadName, threadPriority, threadStackSize, threadId);
975    return result;
976}
977
978/*
979 * Create a thread that is visible from the VM.
980 *
981 * This is called from elsewhere in the library.
982 */
983/*static*/ void AndroidRuntime::createJavaThread(const char* name,
984    void (*start)(void *), void* arg)
985{
986    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
987        ANDROID_PRIORITY_DEFAULT, 0, NULL);
988}
989
990#if 0
991static void quickTest(void* arg)
992{
993    const char* str = (const char*) arg;
994
995    printf("In quickTest: %s\n", str);
996}
997#endif
998
999#ifdef NDEBUG
1000    #define REG_JNI(name)      { name }
1001    struct RegJNIRec {
1002        int (*mProc)(JNIEnv*);
1003    };
1004#else
1005    #define REG_JNI(name)      { name, #name }
1006    struct RegJNIRec {
1007        int (*mProc)(JNIEnv*);
1008        const char* mName;
1009    };
1010#endif
1011
1012typedef void (*RegJAMProc)();
1013
1014static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1015{
1016    for (size_t i = 0; i < count; i++) {
1017        if (array[i].mProc(env) < 0) {
1018#ifndef NDEBUG
1019            LOGD("----------!!! %s failed to load\n", array[i].mName);
1020#endif
1021            return -1;
1022        }
1023    }
1024    return 0;
1025}
1026
1027static void register_jam_procs(const RegJAMProc array[], size_t count)
1028{
1029    for (size_t i = 0; i < count; i++) {
1030        array[i]();
1031    }
1032}
1033
1034static const RegJNIRec gRegJNI[] = {
1035    REG_JNI(register_android_debug_JNITest),
1036    REG_JNI(register_com_android_internal_os_RuntimeInit),
1037    REG_JNI(register_android_os_SystemClock),
1038    REG_JNI(register_android_util_EventLog),
1039    REG_JNI(register_android_util_Log),
1040    REG_JNI(register_android_util_FloatMath),
1041    REG_JNI(register_android_text_format_Time),
1042    REG_JNI(register_android_pim_EventRecurrence),
1043    REG_JNI(register_android_content_AssetManager),
1044    REG_JNI(register_android_content_StringBlock),
1045    REG_JNI(register_android_content_XmlBlock),
1046    REG_JNI(register_android_emoji_EmojiFactory),
1047    REG_JNI(register_android_security_Md5MessageDigest),
1048    REG_JNI(register_android_text_AndroidCharacter),
1049    REG_JNI(register_android_text_KeyCharacterMap),
1050    REG_JNI(register_android_os_Process),
1051    REG_JNI(register_android_os_Binder),
1052    REG_JNI(register_android_os_Hardware),
1053    REG_JNI(register_android_view_Display),
1054    REG_JNI(register_android_nio_utils),
1055    REG_JNI(register_android_graphics_PixelFormat),
1056    REG_JNI(register_android_graphics_Graphics),
1057    REG_JNI(register_android_view_Surface),
1058    REG_JNI(register_android_view_ViewRoot),
1059    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1060    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1061    REG_JNI(register_android_opengl_jni_GLES10),
1062    REG_JNI(register_android_opengl_jni_GLES10Ext),
1063    REG_JNI(register_android_opengl_jni_GLES11),
1064    REG_JNI(register_android_opengl_jni_GLES11Ext),
1065
1066    REG_JNI(register_android_graphics_Bitmap),
1067    REG_JNI(register_android_graphics_BitmapFactory),
1068    REG_JNI(register_android_graphics_Camera),
1069    REG_JNI(register_android_graphics_Canvas),
1070    REG_JNI(register_android_graphics_ColorFilter),
1071    REG_JNI(register_android_graphics_DrawFilter),
1072    REG_JNI(register_android_graphics_Interpolator),
1073    REG_JNI(register_android_graphics_LayerRasterizer),
1074    REG_JNI(register_android_graphics_MaskFilter),
1075    REG_JNI(register_android_graphics_Matrix),
1076    REG_JNI(register_android_graphics_Movie),
1077    REG_JNI(register_android_graphics_NinePatch),
1078    REG_JNI(register_android_graphics_Paint),
1079    REG_JNI(register_android_graphics_Path),
1080    REG_JNI(register_android_graphics_PathMeasure),
1081    REG_JNI(register_android_graphics_PathEffect),
1082    REG_JNI(register_android_graphics_Picture),
1083    REG_JNI(register_android_graphics_PorterDuff),
1084    REG_JNI(register_android_graphics_Rasterizer),
1085    REG_JNI(register_android_graphics_Region),
1086    REG_JNI(register_android_graphics_Shader),
1087    REG_JNI(register_android_graphics_Typeface),
1088    REG_JNI(register_android_graphics_Xfermode),
1089    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1090
1091    REG_JNI(register_android_database_CursorWindow),
1092    REG_JNI(register_android_database_SQLiteDatabase),
1093    REG_JNI(register_android_database_SQLiteDebug),
1094    REG_JNI(register_android_database_SQLiteProgram),
1095    REG_JNI(register_android_database_SQLiteQuery),
1096    REG_JNI(register_android_database_SQLiteStatement),
1097    REG_JNI(register_android_os_Debug),
1098    REG_JNI(register_android_os_Exec),
1099    REG_JNI(register_android_os_FileObserver),
1100    REG_JNI(register_android_os_FileUtils),
1101    REG_JNI(register_android_os_ParcelFileDescriptor),
1102    REG_JNI(register_android_os_Power),
1103    REG_JNI(register_android_os_StatFs),
1104    REG_JNI(register_android_os_SystemProperties),
1105    REG_JNI(register_android_os_UEventObserver),
1106    REG_JNI(register_android_net_LocalSocketImpl),
1107    REG_JNI(register_android_net_NetworkUtils),
1108    REG_JNI(register_android_net_wifi_WifiManager),
1109    REG_JNI(register_android_os_MemoryFile),
1110    REG_JNI(register_com_android_internal_os_ZygoteInit),
1111    REG_JNI(register_android_hardware_Camera),
1112    REG_JNI(register_android_hardware_SensorManager),
1113    REG_JNI(register_android_media_AudioRecord),
1114    REG_JNI(register_android_media_AudioSystem),
1115    REG_JNI(register_android_media_AudioTrack),
1116    REG_JNI(register_android_media_JetPlayer),
1117    REG_JNI(register_android_media_ToneGenerator),
1118
1119    REG_JNI(register_android_opengl_classes),
1120    REG_JNI(register_android_bluetooth_Database),
1121    REG_JNI(register_android_bluetooth_HeadsetBase),
1122    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1123    REG_JNI(register_android_bluetooth_RfcommSocket),
1124    REG_JNI(register_android_bluetooth_ScoSocket),
1125    REG_JNI(register_android_server_BluetoothDeviceService),
1126    REG_JNI(register_android_server_BluetoothEventLoop),
1127    REG_JNI(register_android_server_BluetoothA2dpService),
1128    REG_JNI(register_android_message_digest_sha1),
1129    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1130    REG_JNI(register_android_util_Base64),
1131    REG_JNI(register_android_location_GpsLocationProvider),
1132    REG_JNI(register_android_backup_BackupDataInput),
1133    REG_JNI(register_android_backup_BackupDataOutput),
1134    REG_JNI(register_android_backup_FileBackupHelperBase),
1135    REG_JNI(register_android_backup_BackupHelperDispatcher),
1136};
1137
1138/*
1139 * Register android native functions with the VM.
1140 */
1141/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1142{
1143    /*
1144     * This hook causes all future threads created in this process to be
1145     * attached to the JavaVM.  (This needs to go away in favor of JNI
1146     * Attach calls.)
1147     */
1148    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1149
1150    LOGD("--- registering native functions ---\n");
1151
1152    /*
1153     * Every "register" function calls one or more things that return
1154     * a local reference (e.g. FindClass).  Because we haven't really
1155     * started the VM yet, they're all getting stored in the base frame
1156     * and never released.  Use Push/Pop to manage the storage.
1157     */
1158    env->PushLocalFrame(200);
1159
1160    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1161        env->PopLocalFrame(NULL);
1162        return -1;
1163    }
1164    env->PopLocalFrame(NULL);
1165
1166    //createJavaThread("fubar", quickTest, (void*) "hello");
1167
1168    return 0;
1169}
1170
1171AndroidRuntime* AndroidRuntime::getRuntime()
1172{
1173    return gCurRuntime;
1174}
1175
1176/**
1177 * Used by WithFramework to register native functions.
1178 */
1179extern "C"
1180jint Java_com_android_internal_util_WithFramework_registerNatives(
1181        JNIEnv* env, jclass clazz) {
1182    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1183}
1184
1185/**
1186 * Used by LoadClass to register native functions.
1187 */
1188extern "C"
1189jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1190    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1191}
1192
1193}   // namespace android
1194