AndroidRuntime.cpp revision 27f8002e591b5c579f75b2580183b5d1c4219cd4 
1/* //device/libs/android_runtime/AndroidRuntime.cpp
2**
3** Copyright 2006, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#define LOG_TAG "AndroidRuntime"
19//#define LOG_NDEBUG 0
20
21#include <android_runtime/AndroidRuntime.h>
22#include <utils/IBinder.h>
23#include <utils/IServiceManager.h>
24#include <utils/Log.h>
25#include <utils/misc.h>
26#include <utils/Parcel.h>
27#include <utils/string_array.h>
28#include <utils/threads.h>
29#include <cutils/properties.h>
30
31#include <SkGraphics.h>
32#include <SkImageDecoder.h>
33
34#include "jni.h"
35#include "JNIHelp.h"
36#include "android_util_Binder.h"
37
38#include <stdio.h>
39#include <signal.h>
40#include <sys/stat.h>
41#include <sys/types.h>
42#include <signal.h>
43#include <dirent.h>
44#include <assert.h>
45
46
47using namespace android;
48
49extern void register_BindTest();
50
51extern int register_android_os_Binder(JNIEnv* env);
52extern int register_android_os_Process(JNIEnv* env);
53extern int register_android_graphics_Bitmap(JNIEnv*);
54extern int register_android_graphics_BitmapFactory(JNIEnv*);
55extern int register_android_graphics_Camera(JNIEnv* env);
56extern int register_android_graphics_Graphics(JNIEnv* env);
57extern int register_android_graphics_Interpolator(JNIEnv* env);
58extern int register_android_graphics_LayerRasterizer(JNIEnv*);
59extern int register_android_graphics_MaskFilter(JNIEnv* env);
60extern int register_android_graphics_Movie(JNIEnv* env);
61extern int register_android_graphics_NinePatch(JNIEnv*);
62extern int register_android_graphics_PathEffect(JNIEnv* env);
63extern int register_android_graphics_Region(JNIEnv* env);
64extern int register_android_graphics_Shader(JNIEnv* env);
65extern int register_android_graphics_Typeface(JNIEnv* env);
66
67extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
68extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
69extern int register_android_opengl_jni_GLES10(JNIEnv* env);
70extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
71extern int register_android_opengl_jni_GLES11(JNIEnv* env);
72extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
73
74extern int register_android_hardware_Camera(JNIEnv *env);
75
76extern int register_android_hardware_SensorManager(JNIEnv *env);
77
78extern int register_android_media_AudioRecord(JNIEnv *env);
79extern int register_android_media_AudioSystem(JNIEnv *env);
80extern int register_android_media_AudioTrack(JNIEnv *env);
81extern int register_android_media_JetPlayer(JNIEnv *env);
82extern int register_android_media_ToneGenerator(JNIEnv *env);
83
84extern int register_android_message_digest_sha1(JNIEnv *env);
85
86extern int register_android_util_FloatMath(JNIEnv* env);
87
88namespace android {
89
90/*
91 * JNI-based registration functions.  Note these are properly contained in
92 * namespace android.
93 */
94extern int register_android_content_AssetManager(JNIEnv* env);
95extern int register_android_util_EventLog(JNIEnv* env);
96extern int register_android_util_Log(JNIEnv* env);
97extern int register_android_content_StringBlock(JNIEnv* env);
98extern int register_android_content_XmlBlock(JNIEnv* env);
99extern int register_android_emoji_EmojiFactory(JNIEnv* env);
100extern int register_android_graphics_Canvas(JNIEnv* env);
101extern int register_android_graphics_ColorFilter(JNIEnv* env);
102extern int register_android_graphics_DrawFilter(JNIEnv* env);
103extern int register_android_graphics_Matrix(JNIEnv* env);
104extern int register_android_graphics_Paint(JNIEnv* env);
105extern int register_android_graphics_Path(JNIEnv* env);
106extern int register_android_graphics_PathMeasure(JNIEnv* env);
107extern int register_android_graphics_Picture(JNIEnv*);
108extern int register_android_graphics_PorterDuff(JNIEnv* env);
109extern int register_android_graphics_Rasterizer(JNIEnv* env);
110extern int register_android_graphics_Xfermode(JNIEnv* env);
111extern int register_android_graphics_PixelFormat(JNIEnv* env);
112extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env);
113extern int register_android_view_Display(JNIEnv* env);
114extern int register_android_view_Surface(JNIEnv* env);
115extern int register_android_view_ViewRoot(JNIEnv* env);
116extern int register_android_database_CursorWindow(JNIEnv* env);
117extern int register_android_database_SQLiteDatabase(JNIEnv* env);
118extern int register_android_database_SQLiteDebug(JNIEnv* env);
119extern int register_android_database_SQLiteProgram(JNIEnv* env);
120extern int register_android_database_SQLiteQuery(JNIEnv* env);
121extern int register_android_database_SQLiteStatement(JNIEnv* env);
122extern int register_android_debug_JNITest(JNIEnv* env);
123extern int register_android_nio_utils(JNIEnv* env);
124extern int register_android_pim_EventRecurrence(JNIEnv* env);
125extern int register_android_text_format_Time(JNIEnv* env);
126extern int register_android_os_Debug(JNIEnv* env);
127extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
128extern int register_android_os_Power(JNIEnv *env);
129extern int register_android_os_StatFs(JNIEnv *env);
130extern int register_android_os_SystemProperties(JNIEnv *env);
131extern int register_android_os_Hardware(JNIEnv* env);
132extern int register_android_os_Exec(JNIEnv *env);
133extern int register_android_os_SystemClock(JNIEnv* env);
134extern int register_android_os_FileObserver(JNIEnv *env);
135extern int register_android_os_FileUtils(JNIEnv *env);
136extern int register_android_os_UEventObserver(JNIEnv* env);
137extern int register_android_os_MemoryFile(JNIEnv* env);
138extern int register_android_net_LocalSocketImpl(JNIEnv* env);
139extern int register_android_net_NetworkUtils(JNIEnv* env);
140extern int register_android_net_wifi_WifiManager(JNIEnv* env);
141extern int register_android_security_Md5MessageDigest(JNIEnv *env);
142extern int register_android_text_AndroidCharacter(JNIEnv *env);
143extern int register_android_text_KeyCharacterMap(JNIEnv *env);
144extern int register_android_opengl_classes(JNIEnv *env);
145extern int register_android_bluetooth_Database(JNIEnv* env);
146extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
147extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
148extern int register_android_bluetooth_RfcommSocket(JNIEnv *env);
149extern int register_android_bluetooth_ScoSocket(JNIEnv *env);
150extern int register_android_server_BluetoothDeviceService(JNIEnv* env);
151extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
152extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
153extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
154extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
155extern int register_android_util_Base64(JNIEnv* env);
156extern int register_android_location_GpsLocationProvider(JNIEnv* env);
157
158static AndroidRuntime* gCurRuntime = NULL;
159
160static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
161{
162    if (jniThrowException(env, exc, msg) != 0)
163        assert(false);
164}
165
166/*
167 * Code written in the Java Programming Language calls here from main().
168 */
169static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
170{
171    gCurRuntime->onStarted();
172}
173
174static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
175{
176    gCurRuntime->onZygoteInit();
177}
178
179static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
180{
181    return 1;
182}
183
184static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
185{
186}
187
188static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
189{
190    char* value = getenv("qwerty");
191    if (value != NULL && strcmp(value, "true") == 0) {
192        return 1;
193    }
194
195    return 0;
196}
197
198/*
199 * JNI registration.
200 */
201static JNINativeMethod gMethods[] = {
202    { "finishInit", "()V",
203        (void*) com_android_internal_os_RuntimeInit_finishInit },
204    { "zygoteInitNative", "()V",
205        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
206    { "isComputerOn", "()I",
207        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
208    { "turnComputerOn", "()V",
209        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
210    { "getQwertyKeyboard", "()I",
211        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
212};
213
214int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
215{
216    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
217        gMethods, NELEM(gMethods));
218}
219
220// ----------------------------------------------------------------------
221
222/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
223
224
225AndroidRuntime::AndroidRuntime()
226{
227    SkGraphics::Init();
228    // this sets our preference for 16bit images during decode
229    // in case the src is opaque and 24bit
230    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
231
232    // Pre-allocate enough space to hold a fair number of options.
233    mOptions.setCapacity(20);
234
235    assert(gCurRuntime == NULL);        // one per process
236    gCurRuntime = this;
237}
238
239AndroidRuntime::~AndroidRuntime()
240{
241    SkGraphics::Term();
242}
243
244/*
245 * Register native methods using JNI.
246 */
247/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
248    const char* className, const JNINativeMethod* gMethods, int numMethods)
249{
250    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
251}
252
253/*
254 * Call a static Java Programming Language function that takes no arguments and returns void.
255 */
256status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
257{
258    JNIEnv* env;
259    jclass clazz;
260    jmethodID methodId;
261
262    env = getJNIEnv();
263    if (env == NULL)
264        return UNKNOWN_ERROR;
265
266    clazz = findClass(env, className);
267    if (clazz == NULL) {
268        LOGE("ERROR: could not find class '%s'\n", className);
269        return UNKNOWN_ERROR;
270    }
271    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
272    if (methodId == NULL) {
273        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
274        return UNKNOWN_ERROR;
275    }
276
277    env->CallStaticVoidMethod(clazz, methodId);
278
279    return NO_ERROR;
280}
281
282status_t AndroidRuntime::callMain(
283    const char* className, int argc, const char* const argv[])
284{
285    JNIEnv* env;
286    jclass clazz;
287    jmethodID methodId;
288
289    env = getJNIEnv();
290    if (env == NULL)
291        return UNKNOWN_ERROR;
292
293    clazz = findClass(env, className);
294    if (clazz == NULL) {
295        LOGE("ERROR: could not find class '%s'\n", className);
296        return UNKNOWN_ERROR;
297    }
298
299    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
300    if (methodId == NULL) {
301        LOGE("ERROR: could not find method %s.main(String[])\n", className);
302        return UNKNOWN_ERROR;
303    }
304
305    /*
306     * We want to call main() with a String array with our arguments in it.
307     * Create an array and populate it.
308     */
309    jclass stringClass;
310    jobjectArray strArray;
311
312    stringClass = env->FindClass("java/lang/String");
313    strArray = env->NewObjectArray(argc, stringClass, NULL);
314
315    for (int i = 0; i < argc; i++) {
316        jstring argStr = env->NewStringUTF(argv[i]);
317        env->SetObjectArrayElement(strArray, i, argStr);
318    }
319
320    env->CallStaticVoidMethod(clazz, methodId, strArray);
321    return NO_ERROR;
322}
323
324/*
325 * Find the named class.
326 */
327jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
328{
329    char* convName = NULL;
330
331    if (env->ExceptionCheck()) {
332        LOGE("ERROR: exception pending on entry to findClass()\n");
333        return NULL;
334    }
335
336    /*
337     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
338     * uses the dotted "binary name" format.  We don't need to convert the
339     * name with the new approach.
340     */
341#if 0
342    /* (convName only created if necessary -- use className) */
343    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
344        if (*cp == '.') {
345            if (convName == NULL) {
346                convName = strdup(className);
347                cp = convName + (cp-className);
348                className = convName;
349            }
350            *cp = '/';
351        }
352    }
353#endif
354
355    /*
356     * This is a little awkward because the JNI FindClass call uses the
357     * class loader associated with the native method we're executing in.
358     * Because this native method is part of a "boot" class, JNI doesn't
359     * look for the class in CLASSPATH, which unfortunately is a likely
360     * location for it.  (Had we issued the FindClass call before calling
361     * into the VM -- at which point there isn't a native method frame on
362     * the stack -- the VM would have checked CLASSPATH.  We have to do
363     * this because we call into Java Programming Language code and
364     * bounce back out.)
365     *
366     * JNI lacks a "find class in a specific class loader" operation, so we
367     * have to do things the hard way.
368     */
369    jclass cls = NULL;
370    //cls = env->FindClass(className);
371
372    jclass javaLangClassLoader;
373    jmethodID getSystemClassLoader, loadClass;
374    jobject systemClassLoader;
375    jstring strClassName;
376
377    /* find the "system" class loader; none of this is expected to fail */
378    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
379    assert(javaLangClassLoader != NULL);
380    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
381        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
382    loadClass = env->GetMethodID(javaLangClassLoader,
383        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
384    assert(getSystemClassLoader != NULL && loadClass != NULL);
385    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
386        getSystemClassLoader);
387    assert(systemClassLoader != NULL);
388
389    /* create an object for the class name string; alloc could fail */
390    strClassName = env->NewStringUTF(className);
391    if (env->ExceptionCheck()) {
392        LOGE("ERROR: unable to convert '%s' to string\n", className);
393        goto bail;
394    }
395    LOGV("system class loader is %p, loading %p (%s)\n",
396        systemClassLoader, strClassName, className);
397
398    /* try to find the named class */
399    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
400                        strClassName);
401    if (env->ExceptionCheck()) {
402        LOGE("ERROR: unable to load class '%s' from %p\n",
403            className, systemClassLoader);
404        cls = NULL;
405        goto bail;
406    }
407
408bail:
409    free(convName);
410    return cls;
411}
412
413/*
414 * The VM calls this through the "exit" hook.
415 */
416static void runtime_exit(int code)
417{
418    gCurRuntime->onExit(code);
419    exit(code);
420}
421
422/*
423 * The VM calls this through the "vfprintf" hook.
424 *
425 * We ignore "fp" and just write the results to the log file.
426 */
427static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
428{
429    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
430}
431
432
433/**
434 * Add VM arguments to the to-be-executed VM
435 * Stops at first non '-' argument (also stops at an argument of '--')
436 * Returns the number of args consumed
437 */
438int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
439{
440    int i;
441
442    for (i = 0; i<argc; i++) {
443        if (argv[i][0] != '-') {
444            return i;
445        }
446        if (argv[i][1] == '-' && argv[i][2] == 0) {
447            return i+1;
448        }
449
450        JavaVMOption opt;
451        memset(&opt, 0, sizeof(opt));
452        opt.optionString = (char*)argv[i];
453        mOptions.add(opt);
454    }
455    return i;
456}
457
458static int hasDir(const char* dir)
459{
460    struct stat s;
461    int res = stat(dir, &s);
462    if (res == 0) {
463        return S_ISDIR(s.st_mode);
464    }
465    return 0;
466}
467
468/*
469 * We just want failed write() calls to just return with an error.
470 */
471static void blockSigpipe()
472{
473    sigset_t mask;
474
475    sigemptyset(&mask);
476    sigaddset(&mask, SIGPIPE);
477    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
478        LOGW("WARNING: SIGPIPE not blocked\n");
479}
480
481/*
482 * Read the persistent locale.
483 */
484static void readLocale(char* language, char* region)
485{
486    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
487
488    property_get("persist.sys.language", propLang, "");
489    property_get("persist.sys.country", propRegn, "");
490    if (*propLang == 0 && *propRegn == 0) {
491        /* Set to ro properties, default is en_US */
492        property_get("ro.product.locale.language", propLang, "en");
493        property_get("ro.product.locale.region", propRegn, "US");
494    }
495    strncat(language, propLang, 2);
496    strncat(region, propRegn, 2);
497    //LOGD("language=%s region=%s\n", language, region);
498}
499
500void AndroidRuntime::start(const char* className, const bool startSystemServer)
501{
502    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
503
504    JNIEnv* env;
505    JavaVMInitArgs initArgs;
506    JavaVMOption opt;
507    char propBuf[PROPERTY_VALUE_MAX];
508    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
509    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
510    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
511    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
512    char* stackTraceFile = NULL;
513    char* slashClassName = NULL;
514    char* cp;
515    bool checkJni = false;
516    bool logStdio = false;
517    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
518
519    blockSigpipe();
520
521    /*
522     * 'startSystemServer == true' means runtime is obslete and not run from
523     * init.rc anymore, so we print out the boot start event here.
524     */
525    if (startSystemServer) {
526        /* track our progress through the boot sequence */
527        const int LOG_BOOT_PROGRESS_START = 3000;
528        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
529                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
530    }
531
532    property_get("dalvik.vm.checkjni", propBuf, "");
533    if (strcmp(propBuf, "true") == 0) {
534        checkJni = true;
535    } else if (strcmp(propBuf, "false") != 0) {
536        /* property is neither true nor false; fall back on kernel parameter */
537        property_get("ro.kernel.android.checkjni", propBuf, "");
538        if (propBuf[0] == '1') {
539            checkJni = true;
540        }
541    }
542
543    property_get("dalvik.vm.execution-mode", propBuf, "");
544    if (strcmp(propBuf, "int:portable") == 0) {
545        executionMode = kEMIntPortable;
546    } else if (strcmp(propBuf, "int:fast") == 0) {
547        executionMode = kEMIntFast;
548    }
549
550    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
551
552    property_get("log.redirect-stdio", propBuf, "");
553    if (strcmp(propBuf, "true") == 0) {
554        logStdio = true;
555    }
556
557    strcpy(enableAssertBuf, "-ea:");
558    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
559
560    strcpy(jniOptsBuf, "-Xjniopts:");
561    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
562
563    const char* rootDir = getenv("ANDROID_ROOT");
564    if (rootDir == NULL) {
565        rootDir = "/system";
566        if (!hasDir("/system")) {
567            LOG_FATAL("No root directory specified, and /android does not exist.");
568            return;
569        }
570        setenv("ANDROID_ROOT", rootDir, 1);
571    }
572
573    const char* kernelHack = getenv("LD_ASSUME_KERNEL");
574    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
575
576    /* route exit() to our handler */
577    opt.extraInfo = (void*) runtime_exit;
578    opt.optionString = "exit";
579    mOptions.add(opt);
580
581    /* route fprintf() to our handler */
582    opt.extraInfo = (void*) runtime_vfprintf;
583    opt.optionString = "vfprintf";
584    mOptions.add(opt);
585
586    opt.extraInfo = NULL;
587
588    /* enable verbose; standard options are { jni, gc, class } */
589    //options[curOpt++].optionString = "-verbose:jni";
590    opt.optionString = "-verbose:gc";
591    mOptions.add(opt);
592    //options[curOpt++].optionString = "-verbose:class";
593
594#ifdef CUSTOM_RUNTIME_HEAP_MAX
595#define __make_max_heap_opt(val) #val
596#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
597    opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
598#undef __make_max_heap_opt
599#undef _make_max_heap_opt
600#else
601    /* limit memory use to 16MB */
602    opt.optionString = "-Xmx16m";
603#endif
604    mOptions.add(opt);
605
606    /*
607     * Enable or disable dexopt features, such as bytecode verification and
608     * calculation of register maps for precise GC.
609     */
610    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
611    if (dexoptFlagsBuf[0] != '\0') {
612        const char* opc;
613        const char* val;
614
615        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
616        if (opc != NULL) {
617            switch (*(opc+2)) {
618            case 'n':   val = "-Xverify:none";      break;
619            case 'r':   val = "-Xverify:remote";    break;
620            case 'a':   val = "-Xverify:all";       break;
621            default:    val = NULL;                 break;
622            }
623
624            if (val != NULL) {
625                opt.optionString = val;
626                mOptions.add(opt);
627            }
628        }
629
630        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
631        if (opc != NULL) {
632            switch (*(opc+2)) {
633            case 'n':   val = "-Xdexopt:none";      break;
634            case 'v':   val = "-Xdexopt:verified";  break;
635            case 'a':   val = "-Xdexopt:all";       break;
636            default:    val = NULL;                 break;
637            }
638
639            if (val != NULL) {
640                opt.optionString = val;
641                mOptions.add(opt);
642            }
643        }
644
645        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
646        if (opc != NULL) {
647            opt.optionString = "-Xgenregmap";
648            mOptions.add(opt);
649        }
650    }
651
652    /* enable debugging; set suspend=y to pause during VM init */
653#ifdef HAVE_ANDROID_OS
654    /* use android ADB transport */
655    opt.optionString =
656        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
657#else
658    /* use TCP socket; address=0 means start at port 8000 and probe up */
659    LOGI("Using TCP socket for JDWP\n");
660    opt.optionString =
661        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
662#endif
663    mOptions.add(opt);
664
665    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
666    property_get("dalvik.vm.deadlock-predict", propBuf, "");
667    if (strlen(propBuf) > 0) {
668        strcpy(enableDPBuf, "-Xdeadlockpredict:");
669        strcat(enableDPBuf, propBuf);
670        opt.optionString = enableDPBuf;
671        mOptions.add(opt);
672    }
673
674    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
675    if (checkJni) {
676        /* extended JNI checking */
677        opt.optionString = "-Xcheck:jni";
678        mOptions.add(opt);
679
680        /* set a cap on JNI global references */
681        opt.optionString = "-Xjnigreflimit:2000";
682        mOptions.add(opt);
683
684        /* with -Xcheck:jni, this provides a JNI function call trace */
685        //opt.optionString = "-verbose:jni";
686        //mOptions.add(opt);
687    }
688    if (executionMode == kEMIntPortable) {
689        opt.optionString = "-Xint:portable";
690        mOptions.add(opt);
691    } else if (executionMode == kEMIntFast) {
692        opt.optionString = "-Xint:fast";
693        mOptions.add(opt);
694    }
695    if (logStdio) {
696        /* convert stdout/stderr to log messages */
697        opt.optionString = "-Xlog-stdio";
698        mOptions.add(opt);
699    }
700
701    if (enableAssertBuf[4] != '\0') {
702        /* accept "all" to mean "all classes and packages" */
703        if (strcmp(enableAssertBuf+4, "all") == 0)
704            enableAssertBuf[3] = '\0';
705        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
706        opt.optionString = enableAssertBuf;
707        mOptions.add(opt);
708    } else {
709        LOGV("Assertions disabled\n");
710    }
711
712    if (jniOptsBuf[10] != '\0') {
713        LOGI("JNI options: '%s'\n", jniOptsBuf);
714        opt.optionString = jniOptsBuf;
715        mOptions.add(opt);
716    }
717
718    if (stackTraceFileBuf[0] != '\0') {
719        static const char* stfOptName = "-Xstacktracefile:";
720
721        stackTraceFile = (char*) malloc(strlen(stfOptName) +
722            strlen(stackTraceFileBuf) +1);
723        strcpy(stackTraceFile, stfOptName);
724        strcat(stackTraceFile, stackTraceFileBuf);
725        opt.optionString = stackTraceFile;
726        mOptions.add(opt);
727    }
728
729    /* Set the properties for locale */
730    {
731        char langOption[sizeof("-Duser.language=") + 3];
732        char regionOption[sizeof("-Duser.region=") + 3];
733        strcpy(langOption, "-Duser.language=");
734        strcpy(regionOption, "-Duser.region=");
735        readLocale(langOption, regionOption);
736        opt.extraInfo = NULL;
737        opt.optionString = langOption;
738        mOptions.add(opt);
739        opt.optionString = regionOption;
740        mOptions.add(opt);
741    }
742
743    /*
744     * We don't have /tmp on the device, but we often have an SD card.  Apps
745     * shouldn't use this, but some test suites might want to exercise it.
746     */
747    opt.optionString = "-Djava.io.tmpdir=/sdcard";
748    mOptions.add(opt);
749
750    initArgs.version = JNI_VERSION_1_4;
751    initArgs.options = mOptions.editArray();
752    initArgs.nOptions = mOptions.size();
753    initArgs.ignoreUnrecognized = JNI_FALSE;
754
755    /*
756     * Initialize the VM.
757     *
758     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
759     * If this call succeeds, the VM is ready, and we can start issuing
760     * JNI calls.
761     */
762    if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) {
763        LOGE("JNI_CreateJavaVM failed\n");
764        goto bail;
765    }
766
767    /*
768     * Register android functions.
769     */
770    if (startReg(env) < 0) {
771        LOGE("Unable to register all android natives\n");
772        goto bail;
773    }
774
775    /*
776     * We want to call main() with a String array with arguments in it.
777     * At present we only have one argument, the class name.  Create an
778     * array to hold it.
779     */
780    jclass stringClass;
781    jobjectArray strArray;
782    jstring classNameStr;
783    jstring startSystemServerStr;
784
785    stringClass = env->FindClass("java/lang/String");
786    assert(stringClass != NULL);
787    strArray = env->NewObjectArray(2, stringClass, NULL);
788    assert(strArray != NULL);
789    classNameStr = env->NewStringUTF(className);
790    assert(classNameStr != NULL);
791    env->SetObjectArrayElement(strArray, 0, classNameStr);
792    startSystemServerStr = env->NewStringUTF(startSystemServer ?
793                                                 "true" : "false");
794    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
795
796    /*
797     * Start VM.  This thread becomes the main thread of the VM, and will
798     * not return until the VM exits.
799     */
800    jclass startClass;
801    jmethodID startMeth;
802
803    slashClassName = strdup(className);
804    for (cp = slashClassName; *cp != '\0'; cp++)
805        if (*cp == '.')
806            *cp = '/';
807
808    startClass = env->FindClass(slashClassName);
809    if (startClass == NULL) {
810        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
811        /* keep going */
812    } else {
813        startMeth = env->GetStaticMethodID(startClass, "main",
814            "([Ljava/lang/String;)V");
815        if (startMeth == NULL) {
816            LOGE("JavaVM unable to find main() in '%s'\n", className);
817            /* keep going */
818        } else {
819            env->CallStaticVoidMethod(startClass, startMeth, strArray);
820
821#if 0
822            if (env->ExceptionCheck())
823                threadExitUncaughtException(env);
824#endif
825        }
826    }
827
828    LOGD("Shutting down VM\n");
829    if (mJavaVM->DetachCurrentThread() != JNI_OK)
830        LOGW("Warning: unable to detach main thread\n");
831    if (mJavaVM->DestroyJavaVM() != 0)
832        LOGW("Warning: VM did not shut down cleanly\n");
833
834bail:
835    free(slashClassName);
836    free(stackTraceFile);
837}
838
839void AndroidRuntime::start()
840{
841    start("com.android.internal.os.RuntimeInit",
842        false /* Don't start the system server */);
843}
844
845void AndroidRuntime::onExit(int code)
846{
847    LOGI("AndroidRuntime onExit calling exit(%d)", code);
848    exit(code);
849}
850
851/*
852 * Get the JNIEnv pointer for this thread.
853 *
854 * Returns NULL if the slot wasn't allocated or populated.
855 */
856/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
857{
858    JNIEnv* env;
859    JavaVM* vm = AndroidRuntime::getJavaVM();
860    assert(vm != NULL);
861
862    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
863        return NULL;
864    return env;
865}
866
867/*
868 * Makes the current thread visible to the VM.
869 *
870 * The JNIEnv pointer returned is only valid for the current thread, and
871 * thus must be tucked into thread-local storage.
872 */
873static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
874{
875    JavaVMAttachArgs args;
876    JavaVM* vm;
877    jint result;
878
879    vm = AndroidRuntime::getJavaVM();
880    assert(vm != NULL);
881
882    args.version = JNI_VERSION_1_4;
883    args.name = (char*) threadName;
884    args.group = NULL;
885
886    result = vm->AttachCurrentThread(pEnv, (void*) &args);
887    if (result != JNI_OK)
888        LOGE("ERROR: thread attach failed\n");
889
890    return result;
891}
892
893/*
894 * Detach the current thread from the set visible to the VM.
895 */
896static int javaDetachThread(void)
897{
898    JavaVM* vm;
899    jint result;
900
901    vm = AndroidRuntime::getJavaVM();
902    assert(vm != NULL);
903
904    result = vm->DetachCurrentThread();
905    if (result != JNI_OK)
906        LOGE("ERROR: thread detach failed\n");
907    return result;
908}
909
910/*
911 * When starting a native thread that will be visible from the VM, we
912 * bounce through this to get the right attach/detach action.
913 * Note that this function calls free(args)
914 */
915/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
916    void* start = ((void**)args)[0];
917    void* userData = ((void **)args)[1];
918    char* name = (char*) ((void **)args)[2];        // we own this storage
919    free(args);
920    JNIEnv* env;
921    int result;
922
923    /* hook us into the VM */
924    if (javaAttachThread(name, &env) != JNI_OK)
925        return -1;
926
927    /* start the thread running */
928    result = (*(android_thread_func_t)start)(userData);
929
930    /* unhook us */
931    javaDetachThread();
932    free(name);
933
934    return result;
935}
936
937/*
938 * This is invoked from androidCreateThreadEtc() via the callback
939 * set with androidSetCreateThreadFunc().
940 *
941 * We need to create the new thread in such a way that it gets hooked
942 * into the VM before it really starts executing.
943 */
944/*static*/ int AndroidRuntime::javaCreateThreadEtc(
945                                android_thread_func_t entryFunction,
946                                void* userData,
947                                const char* threadName,
948                                int32_t threadPriority,
949                                size_t threadStackSize,
950                                android_thread_id_t* threadId)
951{
952    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
953    int result;
954
955    assert(threadName != NULL);
956
957    args[0] = (void*) entryFunction;
958    args[1] = userData;
959    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
960
961    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
962        threadName, threadPriority, threadStackSize, threadId);
963    return result;
964}
965
966/*
967 * Create a thread that is visible from the VM.
968 *
969 * This is called from elsewhere in the library.
970 */
971/*static*/ void AndroidRuntime::createJavaThread(const char* name,
972    void (*start)(void *), void* arg)
973{
974    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
975        ANDROID_PRIORITY_DEFAULT, 0, NULL);
976}
977
978#if 0
979static void quickTest(void* arg)
980{
981    const char* str = (const char*) arg;
982
983    printf("In quickTest: %s\n", str);
984}
985#endif
986
987#ifdef NDEBUG
988    #define REG_JNI(name)      { name }
989    struct RegJNIRec {
990        int (*mProc)(JNIEnv*);
991    };
992#else
993    #define REG_JNI(name)      { name, #name }
994    struct RegJNIRec {
995        int (*mProc)(JNIEnv*);
996        const char* mName;
997    };
998#endif
999
1000typedef void (*RegJAMProc)();
1001
1002static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1003{
1004    for (size_t i = 0; i < count; i++) {
1005        if (array[i].mProc(env) < 0) {
1006#ifndef NDEBUG
1007            LOGD("----------!!! %s failed to load\n", array[i].mName);
1008#endif
1009            return -1;
1010        }
1011    }
1012    return 0;
1013}
1014
1015static void register_jam_procs(const RegJAMProc array[], size_t count)
1016{
1017    for (size_t i = 0; i < count; i++) {
1018        array[i]();
1019    }
1020}
1021
1022static const RegJNIRec gRegJNI[] = {
1023    REG_JNI(register_android_debug_JNITest),
1024    REG_JNI(register_com_android_internal_os_RuntimeInit),
1025    REG_JNI(register_android_os_SystemClock),
1026    REG_JNI(register_android_util_EventLog),
1027    REG_JNI(register_android_util_Log),
1028    REG_JNI(register_android_util_FloatMath),
1029    REG_JNI(register_android_text_format_Time),
1030    REG_JNI(register_android_pim_EventRecurrence),
1031    REG_JNI(register_android_content_AssetManager),
1032    REG_JNI(register_android_content_StringBlock),
1033    REG_JNI(register_android_content_XmlBlock),
1034    REG_JNI(register_android_emoji_EmojiFactory),
1035    REG_JNI(register_android_security_Md5MessageDigest),
1036    REG_JNI(register_android_text_AndroidCharacter),
1037    REG_JNI(register_android_text_KeyCharacterMap),
1038    REG_JNI(register_android_os_Process),
1039    REG_JNI(register_android_os_Binder),
1040    REG_JNI(register_android_os_Hardware),
1041    REG_JNI(register_android_view_Display),
1042    REG_JNI(register_android_nio_utils),
1043    REG_JNI(register_android_graphics_PixelFormat),
1044    REG_JNI(register_android_graphics_Graphics),
1045    REG_JNI(register_android_view_Surface),
1046    REG_JNI(register_android_view_ViewRoot),
1047    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1048    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1049    REG_JNI(register_android_opengl_jni_GLES10),
1050    REG_JNI(register_android_opengl_jni_GLES10Ext),
1051    REG_JNI(register_android_opengl_jni_GLES11),
1052    REG_JNI(register_android_opengl_jni_GLES11Ext),
1053
1054    REG_JNI(register_android_graphics_Bitmap),
1055    REG_JNI(register_android_graphics_BitmapFactory),
1056    REG_JNI(register_android_graphics_Camera),
1057    REG_JNI(register_android_graphics_Canvas),
1058    REG_JNI(register_android_graphics_ColorFilter),
1059    REG_JNI(register_android_graphics_DrawFilter),
1060    REG_JNI(register_android_graphics_Interpolator),
1061    REG_JNI(register_android_graphics_LayerRasterizer),
1062    REG_JNI(register_android_graphics_MaskFilter),
1063    REG_JNI(register_android_graphics_Matrix),
1064    REG_JNI(register_android_graphics_Movie),
1065    REG_JNI(register_android_graphics_NinePatch),
1066    REG_JNI(register_android_graphics_Paint),
1067    REG_JNI(register_android_graphics_Path),
1068    REG_JNI(register_android_graphics_PathMeasure),
1069    REG_JNI(register_android_graphics_PathEffect),
1070    REG_JNI(register_android_graphics_Picture),
1071    REG_JNI(register_android_graphics_PorterDuff),
1072    REG_JNI(register_android_graphics_Rasterizer),
1073    REG_JNI(register_android_graphics_Region),
1074    REG_JNI(register_android_graphics_Shader),
1075    REG_JNI(register_android_graphics_Typeface),
1076    REG_JNI(register_android_graphics_Xfermode),
1077    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1078
1079    REG_JNI(register_android_database_CursorWindow),
1080    REG_JNI(register_android_database_SQLiteDatabase),
1081    REG_JNI(register_android_database_SQLiteDebug),
1082    REG_JNI(register_android_database_SQLiteProgram),
1083    REG_JNI(register_android_database_SQLiteQuery),
1084    REG_JNI(register_android_database_SQLiteStatement),
1085    REG_JNI(register_android_os_Debug),
1086    REG_JNI(register_android_os_Exec),
1087    REG_JNI(register_android_os_FileObserver),
1088    REG_JNI(register_android_os_FileUtils),
1089    REG_JNI(register_android_os_ParcelFileDescriptor),
1090    REG_JNI(register_android_os_Power),
1091    REG_JNI(register_android_os_StatFs),
1092    REG_JNI(register_android_os_SystemProperties),
1093    REG_JNI(register_android_os_UEventObserver),
1094    REG_JNI(register_android_net_LocalSocketImpl),
1095    REG_JNI(register_android_net_NetworkUtils),
1096    REG_JNI(register_android_net_wifi_WifiManager),
1097    REG_JNI(register_android_os_MemoryFile),
1098    REG_JNI(register_com_android_internal_os_ZygoteInit),
1099    REG_JNI(register_android_hardware_Camera),
1100    REG_JNI(register_android_hardware_SensorManager),
1101    REG_JNI(register_android_media_AudioRecord),
1102    REG_JNI(register_android_media_AudioSystem),
1103    REG_JNI(register_android_media_AudioTrack),
1104    REG_JNI(register_android_media_JetPlayer),
1105    REG_JNI(register_android_media_ToneGenerator),
1106
1107    REG_JNI(register_android_opengl_classes),
1108    REG_JNI(register_android_bluetooth_Database),
1109    REG_JNI(register_android_bluetooth_HeadsetBase),
1110    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1111    REG_JNI(register_android_bluetooth_RfcommSocket),
1112    REG_JNI(register_android_bluetooth_ScoSocket),
1113    REG_JNI(register_android_server_BluetoothDeviceService),
1114    REG_JNI(register_android_server_BluetoothEventLoop),
1115    REG_JNI(register_android_server_BluetoothA2dpService),
1116    REG_JNI(register_android_message_digest_sha1),
1117    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1118    REG_JNI(register_android_util_Base64),
1119    REG_JNI(register_android_location_GpsLocationProvider),
1120};
1121
1122/*
1123 * Register android native functions with the VM.
1124 */
1125/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1126{
1127    /*
1128     * This hook causes all future threads created in this process to be
1129     * attached to the JavaVM.  (This needs to go away in favor of JNI
1130     * Attach calls.)
1131     */
1132    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1133
1134    LOGD("--- registering native functions ---\n");
1135
1136    /*
1137     * Every "register" function calls one or more things that return
1138     * a local reference (e.g. FindClass).  Because we haven't really
1139     * started the VM yet, they're all getting stored in the base frame
1140     * and never released.  Use Push/Pop to manage the storage.
1141     */
1142    env->PushLocalFrame(200);
1143
1144    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1145        env->PopLocalFrame(NULL);
1146        return -1;
1147    }
1148    env->PopLocalFrame(NULL);
1149
1150    //createJavaThread("fubar", quickTest, (void*) "hello");
1151
1152    return 0;
1153}
1154
1155AndroidRuntime* AndroidRuntime::getRuntime()
1156{
1157    return gCurRuntime;
1158}
1159
1160/**
1161 * Used by WithFramework to register native functions.
1162 */
1163extern "C"
1164jint Java_com_android_internal_util_WithFramework_registerNatives(
1165        JNIEnv* env, jclass clazz) {
1166    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1167}
1168
1169/**
1170 * Used by LoadClass to register native functions.
1171 */
1172extern "C"
1173jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1174    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1175}
1176
1177}   // namespace android
1178