AndroidRuntime.cpp revision b1a7ffef3a0007b6991b8338460f6aac8cbb11e8 
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_FileBackupHelper(JNIEnv *env);
159
160static AndroidRuntime* gCurRuntime = NULL;
161
162static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
163{
164    if (jniThrowException(env, exc, msg) != 0)
165        assert(false);
166}
167
168/*
169 * Code written in the Java Programming Language calls here from main().
170 */
171static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
172{
173    gCurRuntime->onStarted();
174}
175
176static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
177{
178    gCurRuntime->onZygoteInit();
179}
180
181static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
182{
183    return 1;
184}
185
186static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
187{
188}
189
190static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
191{
192    char* value = getenv("qwerty");
193    if (value != NULL && strcmp(value, "true") == 0) {
194        return 1;
195    }
196
197    return 0;
198}
199
200/*
201 * JNI registration.
202 */
203static JNINativeMethod gMethods[] = {
204    { "finishInit", "()V",
205        (void*) com_android_internal_os_RuntimeInit_finishInit },
206    { "zygoteInitNative", "()V",
207        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
208    { "isComputerOn", "()I",
209        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
210    { "turnComputerOn", "()V",
211        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
212    { "getQwertyKeyboard", "()I",
213        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
214};
215
216int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
217{
218    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
219        gMethods, NELEM(gMethods));
220}
221
222// ----------------------------------------------------------------------
223
224/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
225
226
227AndroidRuntime::AndroidRuntime()
228{
229    SkGraphics::Init();
230    // this sets our preference for 16bit images during decode
231    // in case the src is opaque and 24bit
232    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
233    // This cache is shared between browser native images, and java "purgeable"
234    // bitmaps. This globalpool is for images that do not either use the java
235    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
236    // java call site.
237    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
238    // There is also a global font cache, but its budget is specified in code
239    // see SkFontHost_android.cpp
240
241    // Pre-allocate enough space to hold a fair number of options.
242    mOptions.setCapacity(20);
243
244    assert(gCurRuntime == NULL);        // one per process
245    gCurRuntime = this;
246}
247
248AndroidRuntime::~AndroidRuntime()
249{
250    SkGraphics::Term();
251}
252
253/*
254 * Register native methods using JNI.
255 */
256/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
257    const char* className, const JNINativeMethod* gMethods, int numMethods)
258{
259    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
260}
261
262/*
263 * Call a static Java Programming Language function that takes no arguments and returns void.
264 */
265status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
266{
267    JNIEnv* env;
268    jclass clazz;
269    jmethodID methodId;
270
271    env = getJNIEnv();
272    if (env == NULL)
273        return UNKNOWN_ERROR;
274
275    clazz = findClass(env, className);
276    if (clazz == NULL) {
277        LOGE("ERROR: could not find class '%s'\n", className);
278        return UNKNOWN_ERROR;
279    }
280    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
281    if (methodId == NULL) {
282        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
283        return UNKNOWN_ERROR;
284    }
285
286    env->CallStaticVoidMethod(clazz, methodId);
287
288    return NO_ERROR;
289}
290
291status_t AndroidRuntime::callMain(
292    const char* className, int argc, const char* const argv[])
293{
294    JNIEnv* env;
295    jclass clazz;
296    jmethodID methodId;
297
298    env = getJNIEnv();
299    if (env == NULL)
300        return UNKNOWN_ERROR;
301
302    clazz = findClass(env, className);
303    if (clazz == NULL) {
304        LOGE("ERROR: could not find class '%s'\n", className);
305        return UNKNOWN_ERROR;
306    }
307
308    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
309    if (methodId == NULL) {
310        LOGE("ERROR: could not find method %s.main(String[])\n", className);
311        return UNKNOWN_ERROR;
312    }
313
314    /*
315     * We want to call main() with a String array with our arguments in it.
316     * Create an array and populate it.
317     */
318    jclass stringClass;
319    jobjectArray strArray;
320
321    stringClass = env->FindClass("java/lang/String");
322    strArray = env->NewObjectArray(argc, stringClass, NULL);
323
324    for (int i = 0; i < argc; i++) {
325        jstring argStr = env->NewStringUTF(argv[i]);
326        env->SetObjectArrayElement(strArray, i, argStr);
327    }
328
329    env->CallStaticVoidMethod(clazz, methodId, strArray);
330    return NO_ERROR;
331}
332
333/*
334 * Find the named class.
335 */
336jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
337{
338    char* convName = NULL;
339
340    if (env->ExceptionCheck()) {
341        LOGE("ERROR: exception pending on entry to findClass()\n");
342        return NULL;
343    }
344
345    /*
346     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
347     * uses the dotted "binary name" format.  We don't need to convert the
348     * name with the new approach.
349     */
350#if 0
351    /* (convName only created if necessary -- use className) */
352    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
353        if (*cp == '.') {
354            if (convName == NULL) {
355                convName = strdup(className);
356                cp = convName + (cp-className);
357                className = convName;
358            }
359            *cp = '/';
360        }
361    }
362#endif
363
364    /*
365     * This is a little awkward because the JNI FindClass call uses the
366     * class loader associated with the native method we're executing in.
367     * Because this native method is part of a "boot" class, JNI doesn't
368     * look for the class in CLASSPATH, which unfortunately is a likely
369     * location for it.  (Had we issued the FindClass call before calling
370     * into the VM -- at which point there isn't a native method frame on
371     * the stack -- the VM would have checked CLASSPATH.  We have to do
372     * this because we call into Java Programming Language code and
373     * bounce back out.)
374     *
375     * JNI lacks a "find class in a specific class loader" operation, so we
376     * have to do things the hard way.
377     */
378    jclass cls = NULL;
379    //cls = env->FindClass(className);
380
381    jclass javaLangClassLoader;
382    jmethodID getSystemClassLoader, loadClass;
383    jobject systemClassLoader;
384    jstring strClassName;
385
386    /* find the "system" class loader; none of this is expected to fail */
387    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
388    assert(javaLangClassLoader != NULL);
389    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
390        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
391    loadClass = env->GetMethodID(javaLangClassLoader,
392        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
393    assert(getSystemClassLoader != NULL && loadClass != NULL);
394    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
395        getSystemClassLoader);
396    assert(systemClassLoader != NULL);
397
398    /* create an object for the class name string; alloc could fail */
399    strClassName = env->NewStringUTF(className);
400    if (env->ExceptionCheck()) {
401        LOGE("ERROR: unable to convert '%s' to string\n", className);
402        goto bail;
403    }
404    LOGV("system class loader is %p, loading %p (%s)\n",
405        systemClassLoader, strClassName, className);
406
407    /* try to find the named class */
408    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
409                        strClassName);
410    if (env->ExceptionCheck()) {
411        LOGE("ERROR: unable to load class '%s' from %p\n",
412            className, systemClassLoader);
413        cls = NULL;
414        goto bail;
415    }
416
417bail:
418    free(convName);
419    return cls;
420}
421
422/*
423 * The VM calls this through the "exit" hook.
424 */
425static void runtime_exit(int code)
426{
427    gCurRuntime->onExit(code);
428    exit(code);
429}
430
431/*
432 * The VM calls this through the "vfprintf" hook.
433 *
434 * We ignore "fp" and just write the results to the log file.
435 */
436static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
437{
438    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
439}
440
441
442/**
443 * Add VM arguments to the to-be-executed VM
444 * Stops at first non '-' argument (also stops at an argument of '--')
445 * Returns the number of args consumed
446 */
447int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
448{
449    int i;
450
451    for (i = 0; i<argc; i++) {
452        if (argv[i][0] != '-') {
453            return i;
454        }
455        if (argv[i][1] == '-' && argv[i][2] == 0) {
456            return i+1;
457        }
458
459        JavaVMOption opt;
460        memset(&opt, 0, sizeof(opt));
461        opt.optionString = (char*)argv[i];
462        mOptions.add(opt);
463    }
464    return i;
465}
466
467static int hasDir(const char* dir)
468{
469    struct stat s;
470    int res = stat(dir, &s);
471    if (res == 0) {
472        return S_ISDIR(s.st_mode);
473    }
474    return 0;
475}
476
477/*
478 * We just want failed write() calls to just return with an error.
479 */
480static void blockSigpipe()
481{
482    sigset_t mask;
483
484    sigemptyset(&mask);
485    sigaddset(&mask, SIGPIPE);
486    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
487        LOGW("WARNING: SIGPIPE not blocked\n");
488}
489
490/*
491 * Read the persistent locale.
492 */
493static void readLocale(char* language, char* region)
494{
495    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
496
497    property_get("persist.sys.language", propLang, "");
498    property_get("persist.sys.country", propRegn, "");
499    if (*propLang == 0 && *propRegn == 0) {
500        /* Set to ro properties, default is en_US */
501        property_get("ro.product.locale.language", propLang, "en");
502        property_get("ro.product.locale.region", propRegn, "US");
503    }
504    strncat(language, propLang, 2);
505    strncat(region, propRegn, 2);
506    //LOGD("language=%s region=%s\n", language, region);
507}
508
509void AndroidRuntime::start(const char* className, const bool startSystemServer)
510{
511    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
512
513    JNIEnv* env;
514    JavaVMInitArgs initArgs;
515    JavaVMOption opt;
516    char propBuf[PROPERTY_VALUE_MAX];
517    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
518    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
519    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
520    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
521    char* stackTraceFile = NULL;
522    char* slashClassName = NULL;
523    char* cp;
524    bool checkJni = false;
525    bool logStdio = false;
526    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
527
528    blockSigpipe();
529
530    /*
531     * 'startSystemServer == true' means runtime is obslete and not run from
532     * init.rc anymore, so we print out the boot start event here.
533     */
534    if (startSystemServer) {
535        /* track our progress through the boot sequence */
536        const int LOG_BOOT_PROGRESS_START = 3000;
537        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
538                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
539    }
540
541    property_get("dalvik.vm.checkjni", propBuf, "");
542    if (strcmp(propBuf, "true") == 0) {
543        checkJni = true;
544    } else if (strcmp(propBuf, "false") != 0) {
545        /* property is neither true nor false; fall back on kernel parameter */
546        property_get("ro.kernel.android.checkjni", propBuf, "");
547        if (propBuf[0] == '1') {
548            checkJni = true;
549        }
550    }
551
552    property_get("dalvik.vm.execution-mode", propBuf, "");
553    if (strcmp(propBuf, "int:portable") == 0) {
554        executionMode = kEMIntPortable;
555    } else if (strcmp(propBuf, "int:fast") == 0) {
556        executionMode = kEMIntFast;
557    }
558
559    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
560
561    property_get("log.redirect-stdio", propBuf, "");
562    if (strcmp(propBuf, "true") == 0) {
563        logStdio = true;
564    }
565
566    strcpy(enableAssertBuf, "-ea:");
567    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
568
569    strcpy(jniOptsBuf, "-Xjniopts:");
570    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
571
572    const char* rootDir = getenv("ANDROID_ROOT");
573    if (rootDir == NULL) {
574        rootDir = "/system";
575        if (!hasDir("/system")) {
576            LOG_FATAL("No root directory specified, and /android does not exist.");
577            return;
578        }
579        setenv("ANDROID_ROOT", rootDir, 1);
580    }
581
582    const char* kernelHack = getenv("LD_ASSUME_KERNEL");
583    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
584
585    /* route exit() to our handler */
586    opt.extraInfo = (void*) runtime_exit;
587    opt.optionString = "exit";
588    mOptions.add(opt);
589
590    /* route fprintf() to our handler */
591    opt.extraInfo = (void*) runtime_vfprintf;
592    opt.optionString = "vfprintf";
593    mOptions.add(opt);
594
595    opt.extraInfo = NULL;
596
597    /* enable verbose; standard options are { jni, gc, class } */
598    //options[curOpt++].optionString = "-verbose:jni";
599    opt.optionString = "-verbose:gc";
600    mOptions.add(opt);
601    //options[curOpt++].optionString = "-verbose:class";
602
603#ifdef CUSTOM_RUNTIME_HEAP_MAX
604#define __make_max_heap_opt(val) #val
605#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
606    opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
607#undef __make_max_heap_opt
608#undef _make_max_heap_opt
609#else
610    /* limit memory use to 16MB */
611    opt.optionString = "-Xmx16m";
612#endif
613    mOptions.add(opt);
614
615    /*
616     * Enable or disable dexopt features, such as bytecode verification and
617     * calculation of register maps for precise GC.
618     */
619    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
620    if (dexoptFlagsBuf[0] != '\0') {
621        const char* opc;
622        const char* val;
623
624        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
625        if (opc != NULL) {
626            switch (*(opc+2)) {
627            case 'n':   val = "-Xverify:none";      break;
628            case 'r':   val = "-Xverify:remote";    break;
629            case 'a':   val = "-Xverify:all";       break;
630            default:    val = NULL;                 break;
631            }
632
633            if (val != NULL) {
634                opt.optionString = val;
635                mOptions.add(opt);
636            }
637        }
638
639        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
640        if (opc != NULL) {
641            switch (*(opc+2)) {
642            case 'n':   val = "-Xdexopt:none";      break;
643            case 'v':   val = "-Xdexopt:verified";  break;
644            case 'a':   val = "-Xdexopt:all";       break;
645            default:    val = NULL;                 break;
646            }
647
648            if (val != NULL) {
649                opt.optionString = val;
650                mOptions.add(opt);
651            }
652        }
653
654        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
655        if (opc != NULL) {
656            opt.optionString = "-Xgenregmap";
657            mOptions.add(opt);
658        }
659    }
660
661    /* enable debugging; set suspend=y to pause during VM init */
662#ifdef HAVE_ANDROID_OS
663    /* use android ADB transport */
664    opt.optionString =
665        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
666#else
667    /* use TCP socket; address=0 means start at port 8000 and probe up */
668    LOGI("Using TCP socket for JDWP\n");
669    opt.optionString =
670        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
671#endif
672    mOptions.add(opt);
673
674    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
675    property_get("dalvik.vm.deadlock-predict", propBuf, "");
676    if (strlen(propBuf) > 0) {
677        strcpy(enableDPBuf, "-Xdeadlockpredict:");
678        strcat(enableDPBuf, propBuf);
679        opt.optionString = enableDPBuf;
680        mOptions.add(opt);
681    }
682
683    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
684    if (checkJni) {
685        /* extended JNI checking */
686        opt.optionString = "-Xcheck:jni";
687        mOptions.add(opt);
688
689        /* set a cap on JNI global references */
690        opt.optionString = "-Xjnigreflimit:2000";
691        mOptions.add(opt);
692
693        /* with -Xcheck:jni, this provides a JNI function call trace */
694        //opt.optionString = "-verbose:jni";
695        //mOptions.add(opt);
696    }
697    if (executionMode == kEMIntPortable) {
698        opt.optionString = "-Xint:portable";
699        mOptions.add(opt);
700    } else if (executionMode == kEMIntFast) {
701        opt.optionString = "-Xint:fast";
702        mOptions.add(opt);
703    }
704    if (logStdio) {
705        /* convert stdout/stderr to log messages */
706        opt.optionString = "-Xlog-stdio";
707        mOptions.add(opt);
708    }
709
710    if (enableAssertBuf[4] != '\0') {
711        /* accept "all" to mean "all classes and packages" */
712        if (strcmp(enableAssertBuf+4, "all") == 0)
713            enableAssertBuf[3] = '\0';
714        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
715        opt.optionString = enableAssertBuf;
716        mOptions.add(opt);
717    } else {
718        LOGV("Assertions disabled\n");
719    }
720
721    if (jniOptsBuf[10] != '\0') {
722        LOGI("JNI options: '%s'\n", jniOptsBuf);
723        opt.optionString = jniOptsBuf;
724        mOptions.add(opt);
725    }
726
727    if (stackTraceFileBuf[0] != '\0') {
728        static const char* stfOptName = "-Xstacktracefile:";
729
730        stackTraceFile = (char*) malloc(strlen(stfOptName) +
731            strlen(stackTraceFileBuf) +1);
732        strcpy(stackTraceFile, stfOptName);
733        strcat(stackTraceFile, stackTraceFileBuf);
734        opt.optionString = stackTraceFile;
735        mOptions.add(opt);
736    }
737
738    /* Set the properties for locale */
739    {
740        char langOption[sizeof("-Duser.language=") + 3];
741        char regionOption[sizeof("-Duser.region=") + 3];
742        strcpy(langOption, "-Duser.language=");
743        strcpy(regionOption, "-Duser.region=");
744        readLocale(langOption, regionOption);
745        opt.extraInfo = NULL;
746        opt.optionString = langOption;
747        mOptions.add(opt);
748        opt.optionString = regionOption;
749        mOptions.add(opt);
750    }
751
752    /*
753     * We don't have /tmp on the device, but we often have an SD card.  Apps
754     * shouldn't use this, but some test suites might want to exercise it.
755     */
756    opt.optionString = "-Djava.io.tmpdir=/sdcard";
757    mOptions.add(opt);
758
759    initArgs.version = JNI_VERSION_1_4;
760    initArgs.options = mOptions.editArray();
761    initArgs.nOptions = mOptions.size();
762    initArgs.ignoreUnrecognized = JNI_FALSE;
763
764    /*
765     * Initialize the VM.
766     *
767     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
768     * If this call succeeds, the VM is ready, and we can start issuing
769     * JNI calls.
770     */
771    if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) {
772        LOGE("JNI_CreateJavaVM failed\n");
773        goto bail;
774    }
775
776    /*
777     * Register android functions.
778     */
779    if (startReg(env) < 0) {
780        LOGE("Unable to register all android natives\n");
781        goto bail;
782    }
783
784    /*
785     * We want to call main() with a String array with arguments in it.
786     * At present we only have one argument, the class name.  Create an
787     * array to hold it.
788     */
789    jclass stringClass;
790    jobjectArray strArray;
791    jstring classNameStr;
792    jstring startSystemServerStr;
793
794    stringClass = env->FindClass("java/lang/String");
795    assert(stringClass != NULL);
796    strArray = env->NewObjectArray(2, stringClass, NULL);
797    assert(strArray != NULL);
798    classNameStr = env->NewStringUTF(className);
799    assert(classNameStr != NULL);
800    env->SetObjectArrayElement(strArray, 0, classNameStr);
801    startSystemServerStr = env->NewStringUTF(startSystemServer ?
802                                                 "true" : "false");
803    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
804
805    /*
806     * Start VM.  This thread becomes the main thread of the VM, and will
807     * not return until the VM exits.
808     */
809    jclass startClass;
810    jmethodID startMeth;
811
812    slashClassName = strdup(className);
813    for (cp = slashClassName; *cp != '\0'; cp++)
814        if (*cp == '.')
815            *cp = '/';
816
817    startClass = env->FindClass(slashClassName);
818    if (startClass == NULL) {
819        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
820        /* keep going */
821    } else {
822        startMeth = env->GetStaticMethodID(startClass, "main",
823            "([Ljava/lang/String;)V");
824        if (startMeth == NULL) {
825            LOGE("JavaVM unable to find main() in '%s'\n", className);
826            /* keep going */
827        } else {
828            env->CallStaticVoidMethod(startClass, startMeth, strArray);
829
830#if 0
831            if (env->ExceptionCheck())
832                threadExitUncaughtException(env);
833#endif
834        }
835    }
836
837    LOGD("Shutting down VM\n");
838    if (mJavaVM->DetachCurrentThread() != JNI_OK)
839        LOGW("Warning: unable to detach main thread\n");
840    if (mJavaVM->DestroyJavaVM() != 0)
841        LOGW("Warning: VM did not shut down cleanly\n");
842
843bail:
844    free(slashClassName);
845    free(stackTraceFile);
846}
847
848void AndroidRuntime::start()
849{
850    start("com.android.internal.os.RuntimeInit",
851        false /* Don't start the system server */);
852}
853
854void AndroidRuntime::onExit(int code)
855{
856    LOGI("AndroidRuntime onExit calling exit(%d)", code);
857    exit(code);
858}
859
860/*
861 * Get the JNIEnv pointer for this thread.
862 *
863 * Returns NULL if the slot wasn't allocated or populated.
864 */
865/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
866{
867    JNIEnv* env;
868    JavaVM* vm = AndroidRuntime::getJavaVM();
869    assert(vm != NULL);
870
871    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
872        return NULL;
873    return env;
874}
875
876/*
877 * Makes the current thread visible to the VM.
878 *
879 * The JNIEnv pointer returned is only valid for the current thread, and
880 * thus must be tucked into thread-local storage.
881 */
882static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
883{
884    JavaVMAttachArgs args;
885    JavaVM* vm;
886    jint result;
887
888    vm = AndroidRuntime::getJavaVM();
889    assert(vm != NULL);
890
891    args.version = JNI_VERSION_1_4;
892    args.name = (char*) threadName;
893    args.group = NULL;
894
895    result = vm->AttachCurrentThread(pEnv, (void*) &args);
896    if (result != JNI_OK)
897        LOGE("ERROR: thread attach failed\n");
898
899    return result;
900}
901
902/*
903 * Detach the current thread from the set visible to the VM.
904 */
905static int javaDetachThread(void)
906{
907    JavaVM* vm;
908    jint result;
909
910    vm = AndroidRuntime::getJavaVM();
911    assert(vm != NULL);
912
913    result = vm->DetachCurrentThread();
914    if (result != JNI_OK)
915        LOGE("ERROR: thread detach failed\n");
916    return result;
917}
918
919/*
920 * When starting a native thread that will be visible from the VM, we
921 * bounce through this to get the right attach/detach action.
922 * Note that this function calls free(args)
923 */
924/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
925    void* start = ((void**)args)[0];
926    void* userData = ((void **)args)[1];
927    char* name = (char*) ((void **)args)[2];        // we own this storage
928    free(args);
929    JNIEnv* env;
930    int result;
931
932    /* hook us into the VM */
933    if (javaAttachThread(name, &env) != JNI_OK)
934        return -1;
935
936    /* start the thread running */
937    result = (*(android_thread_func_t)start)(userData);
938
939    /* unhook us */
940    javaDetachThread();
941    free(name);
942
943    return result;
944}
945
946/*
947 * This is invoked from androidCreateThreadEtc() via the callback
948 * set with androidSetCreateThreadFunc().
949 *
950 * We need to create the new thread in such a way that it gets hooked
951 * into the VM before it really starts executing.
952 */
953/*static*/ int AndroidRuntime::javaCreateThreadEtc(
954                                android_thread_func_t entryFunction,
955                                void* userData,
956                                const char* threadName,
957                                int32_t threadPriority,
958                                size_t threadStackSize,
959                                android_thread_id_t* threadId)
960{
961    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
962    int result;
963
964    assert(threadName != NULL);
965
966    args[0] = (void*) entryFunction;
967    args[1] = userData;
968    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
969
970    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
971        threadName, threadPriority, threadStackSize, threadId);
972    return result;
973}
974
975/*
976 * Create a thread that is visible from the VM.
977 *
978 * This is called from elsewhere in the library.
979 */
980/*static*/ void AndroidRuntime::createJavaThread(const char* name,
981    void (*start)(void *), void* arg)
982{
983    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
984        ANDROID_PRIORITY_DEFAULT, 0, NULL);
985}
986
987#if 0
988static void quickTest(void* arg)
989{
990    const char* str = (const char*) arg;
991
992    printf("In quickTest: %s\n", str);
993}
994#endif
995
996#ifdef NDEBUG
997    #define REG_JNI(name)      { name }
998    struct RegJNIRec {
999        int (*mProc)(JNIEnv*);
1000    };
1001#else
1002    #define REG_JNI(name)      { name, #name }
1003    struct RegJNIRec {
1004        int (*mProc)(JNIEnv*);
1005        const char* mName;
1006    };
1007#endif
1008
1009typedef void (*RegJAMProc)();
1010
1011static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1012{
1013    for (size_t i = 0; i < count; i++) {
1014        if (array[i].mProc(env) < 0) {
1015#ifndef NDEBUG
1016            LOGD("----------!!! %s failed to load\n", array[i].mName);
1017#endif
1018            return -1;
1019        }
1020    }
1021    return 0;
1022}
1023
1024static void register_jam_procs(const RegJAMProc array[], size_t count)
1025{
1026    for (size_t i = 0; i < count; i++) {
1027        array[i]();
1028    }
1029}
1030
1031static const RegJNIRec gRegJNI[] = {
1032    REG_JNI(register_android_debug_JNITest),
1033    REG_JNI(register_com_android_internal_os_RuntimeInit),
1034    REG_JNI(register_android_os_SystemClock),
1035    REG_JNI(register_android_util_EventLog),
1036    REG_JNI(register_android_util_Log),
1037    REG_JNI(register_android_util_FloatMath),
1038    REG_JNI(register_android_text_format_Time),
1039    REG_JNI(register_android_pim_EventRecurrence),
1040    REG_JNI(register_android_content_AssetManager),
1041    REG_JNI(register_android_content_StringBlock),
1042    REG_JNI(register_android_content_XmlBlock),
1043    REG_JNI(register_android_emoji_EmojiFactory),
1044    REG_JNI(register_android_security_Md5MessageDigest),
1045    REG_JNI(register_android_text_AndroidCharacter),
1046    REG_JNI(register_android_text_KeyCharacterMap),
1047    REG_JNI(register_android_os_Process),
1048    REG_JNI(register_android_os_Binder),
1049    REG_JNI(register_android_os_Hardware),
1050    REG_JNI(register_android_view_Display),
1051    REG_JNI(register_android_nio_utils),
1052    REG_JNI(register_android_graphics_PixelFormat),
1053    REG_JNI(register_android_graphics_Graphics),
1054    REG_JNI(register_android_view_Surface),
1055    REG_JNI(register_android_view_ViewRoot),
1056    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1057    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1058    REG_JNI(register_android_opengl_jni_GLES10),
1059    REG_JNI(register_android_opengl_jni_GLES10Ext),
1060    REG_JNI(register_android_opengl_jni_GLES11),
1061    REG_JNI(register_android_opengl_jni_GLES11Ext),
1062
1063    REG_JNI(register_android_graphics_Bitmap),
1064    REG_JNI(register_android_graphics_BitmapFactory),
1065    REG_JNI(register_android_graphics_Camera),
1066    REG_JNI(register_android_graphics_Canvas),
1067    REG_JNI(register_android_graphics_ColorFilter),
1068    REG_JNI(register_android_graphics_DrawFilter),
1069    REG_JNI(register_android_graphics_Interpolator),
1070    REG_JNI(register_android_graphics_LayerRasterizer),
1071    REG_JNI(register_android_graphics_MaskFilter),
1072    REG_JNI(register_android_graphics_Matrix),
1073    REG_JNI(register_android_graphics_Movie),
1074    REG_JNI(register_android_graphics_NinePatch),
1075    REG_JNI(register_android_graphics_Paint),
1076    REG_JNI(register_android_graphics_Path),
1077    REG_JNI(register_android_graphics_PathMeasure),
1078    REG_JNI(register_android_graphics_PathEffect),
1079    REG_JNI(register_android_graphics_Picture),
1080    REG_JNI(register_android_graphics_PorterDuff),
1081    REG_JNI(register_android_graphics_Rasterizer),
1082    REG_JNI(register_android_graphics_Region),
1083    REG_JNI(register_android_graphics_Shader),
1084    REG_JNI(register_android_graphics_Typeface),
1085    REG_JNI(register_android_graphics_Xfermode),
1086    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1087
1088    REG_JNI(register_android_database_CursorWindow),
1089    REG_JNI(register_android_database_SQLiteDatabase),
1090    REG_JNI(register_android_database_SQLiteDebug),
1091    REG_JNI(register_android_database_SQLiteProgram),
1092    REG_JNI(register_android_database_SQLiteQuery),
1093    REG_JNI(register_android_database_SQLiteStatement),
1094    REG_JNI(register_android_os_Debug),
1095    REG_JNI(register_android_os_Exec),
1096    REG_JNI(register_android_os_FileObserver),
1097    REG_JNI(register_android_os_FileUtils),
1098    REG_JNI(register_android_os_ParcelFileDescriptor),
1099    REG_JNI(register_android_os_Power),
1100    REG_JNI(register_android_os_StatFs),
1101    REG_JNI(register_android_os_SystemProperties),
1102    REG_JNI(register_android_os_UEventObserver),
1103    REG_JNI(register_android_net_LocalSocketImpl),
1104    REG_JNI(register_android_net_NetworkUtils),
1105    REG_JNI(register_android_net_wifi_WifiManager),
1106    REG_JNI(register_android_os_MemoryFile),
1107    REG_JNI(register_com_android_internal_os_ZygoteInit),
1108    REG_JNI(register_android_hardware_Camera),
1109    REG_JNI(register_android_hardware_SensorManager),
1110    REG_JNI(register_android_media_AudioRecord),
1111    REG_JNI(register_android_media_AudioSystem),
1112    REG_JNI(register_android_media_AudioTrack),
1113    REG_JNI(register_android_media_JetPlayer),
1114    REG_JNI(register_android_media_ToneGenerator),
1115
1116    REG_JNI(register_android_opengl_classes),
1117    REG_JNI(register_android_bluetooth_Database),
1118    REG_JNI(register_android_bluetooth_HeadsetBase),
1119    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1120    REG_JNI(register_android_bluetooth_RfcommSocket),
1121    REG_JNI(register_android_bluetooth_ScoSocket),
1122    REG_JNI(register_android_server_BluetoothDeviceService),
1123    REG_JNI(register_android_server_BluetoothEventLoop),
1124    REG_JNI(register_android_server_BluetoothA2dpService),
1125    REG_JNI(register_android_message_digest_sha1),
1126    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1127    REG_JNI(register_android_util_Base64),
1128    REG_JNI(register_android_location_GpsLocationProvider),
1129    REG_JNI(register_android_backup_FileBackupHelper),
1130};
1131
1132/*
1133 * Register android native functions with the VM.
1134 */
1135/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1136{
1137    /*
1138     * This hook causes all future threads created in this process to be
1139     * attached to the JavaVM.  (This needs to go away in favor of JNI
1140     * Attach calls.)
1141     */
1142    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1143
1144    LOGD("--- registering native functions ---\n");
1145
1146    /*
1147     * Every "register" function calls one or more things that return
1148     * a local reference (e.g. FindClass).  Because we haven't really
1149     * started the VM yet, they're all getting stored in the base frame
1150     * and never released.  Use Push/Pop to manage the storage.
1151     */
1152    env->PushLocalFrame(200);
1153
1154    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1155        env->PopLocalFrame(NULL);
1156        return -1;
1157    }
1158    env->PopLocalFrame(NULL);
1159
1160    //createJavaThread("fubar", quickTest, (void*) "hello");
1161
1162    return 0;
1163}
1164
1165AndroidRuntime* AndroidRuntime::getRuntime()
1166{
1167    return gCurRuntime;
1168}
1169
1170/**
1171 * Used by WithFramework to register native functions.
1172 */
1173extern "C"
1174jint Java_com_android_internal_util_WithFramework_registerNatives(
1175        JNIEnv* env, jclass clazz) {
1176    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1177}
1178
1179/**
1180 * Used by LoadClass to register native functions.
1181 */
1182extern "C"
1183jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1184    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1185}
1186
1187}   // namespace android
1188