AndroidRuntime.cpp revision 0b6955a48bad9aee01ae2f0c06d3f168ca603ab7 
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 <binder/IBinder.h>
23#include <binder/IServiceManager.h>
24#include <utils/Log.h>
25#include <utils/misc.h>
26#include <binder/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_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_HeadsetBase(JNIEnv* env);
146extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
147extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env);
148extern int register_android_bluetooth_ScoSocket(JNIEnv *env);
149extern int register_android_server_BluetoothDeviceService(JNIEnv* env);
150extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
151extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
152extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
153extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
154extern int register_android_util_Base64(JNIEnv* env);
155extern int register_android_location_GpsLocationProvider(JNIEnv* env);
156extern int register_android_backup_BackupDataOutput(JNIEnv *env);
157extern int register_android_backup_FileBackupHelper(JNIEnv *env);
158
159static AndroidRuntime* gCurRuntime = NULL;
160
161static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
162{
163    if (jniThrowException(env, exc, msg) != 0)
164        assert(false);
165}
166
167/*
168 * Code written in the Java Programming Language calls here from main().
169 */
170static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
171{
172    gCurRuntime->onStarted();
173}
174
175static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
176{
177    gCurRuntime->onZygoteInit();
178}
179
180static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
181{
182    return 1;
183}
184
185static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
186{
187}
188
189static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
190{
191    char* value = getenv("qwerty");
192    if (value != NULL && strcmp(value, "true") == 0) {
193        return 1;
194    }
195
196    return 0;
197}
198
199/*
200 * JNI registration.
201 */
202static JNINativeMethod gMethods[] = {
203    { "finishInit", "()V",
204        (void*) com_android_internal_os_RuntimeInit_finishInit },
205    { "zygoteInitNative", "()V",
206        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
207    { "isComputerOn", "()I",
208        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
209    { "turnComputerOn", "()V",
210        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
211    { "getQwertyKeyboard", "()I",
212        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
213};
214
215int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
216{
217    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
218        gMethods, NELEM(gMethods));
219}
220
221// ----------------------------------------------------------------------
222
223/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
224
225
226AndroidRuntime::AndroidRuntime()
227{
228    SkGraphics::Init();
229    // this sets our preference for 16bit images during decode
230    // in case the src is opaque and 24bit
231    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
232    // This cache is shared between browser native images, and java "purgeable"
233    // bitmaps. This globalpool is for images that do not either use the java
234    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
235    // java call site.
236    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
237    // There is also a global font cache, but its budget is specified in code
238    // see SkFontHost_android.cpp
239
240    // Pre-allocate enough space to hold a fair number of options.
241    mOptions.setCapacity(20);
242
243    assert(gCurRuntime == NULL);        // one per process
244    gCurRuntime = this;
245}
246
247AndroidRuntime::~AndroidRuntime()
248{
249    SkGraphics::Term();
250}
251
252/*
253 * Register native methods using JNI.
254 */
255/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
256    const char* className, const JNINativeMethod* gMethods, int numMethods)
257{
258    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
259}
260
261/*
262 * Call a static Java Programming Language function that takes no arguments and returns void.
263 */
264status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
265{
266    JNIEnv* env;
267    jclass clazz;
268    jmethodID methodId;
269
270    env = getJNIEnv();
271    if (env == NULL)
272        return UNKNOWN_ERROR;
273
274    clazz = findClass(env, className);
275    if (clazz == NULL) {
276        LOGE("ERROR: could not find class '%s'\n", className);
277        return UNKNOWN_ERROR;
278    }
279    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
280    if (methodId == NULL) {
281        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
282        return UNKNOWN_ERROR;
283    }
284
285    env->CallStaticVoidMethod(clazz, methodId);
286
287    return NO_ERROR;
288}
289
290status_t AndroidRuntime::callMain(
291    const char* className, int argc, const char* const argv[])
292{
293    JNIEnv* env;
294    jclass clazz;
295    jmethodID methodId;
296
297    env = getJNIEnv();
298    if (env == NULL)
299        return UNKNOWN_ERROR;
300
301    clazz = findClass(env, className);
302    if (clazz == NULL) {
303        LOGE("ERROR: could not find class '%s'\n", className);
304        return UNKNOWN_ERROR;
305    }
306
307    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
308    if (methodId == NULL) {
309        LOGE("ERROR: could not find method %s.main(String[])\n", className);
310        return UNKNOWN_ERROR;
311    }
312
313    /*
314     * We want to call main() with a String array with our arguments in it.
315     * Create an array and populate it.
316     */
317    jclass stringClass;
318    jobjectArray strArray;
319
320    stringClass = env->FindClass("java/lang/String");
321    strArray = env->NewObjectArray(argc, stringClass, NULL);
322
323    for (int i = 0; i < argc; i++) {
324        jstring argStr = env->NewStringUTF(argv[i]);
325        env->SetObjectArrayElement(strArray, i, argStr);
326    }
327
328    env->CallStaticVoidMethod(clazz, methodId, strArray);
329    return NO_ERROR;
330}
331
332/*
333 * Find the named class.
334 */
335jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
336{
337    char* convName = NULL;
338
339    if (env->ExceptionCheck()) {
340        LOGE("ERROR: exception pending on entry to findClass()\n");
341        return NULL;
342    }
343
344    /*
345     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
346     * uses the dotted "binary name" format.  We don't need to convert the
347     * name with the new approach.
348     */
349#if 0
350    /* (convName only created if necessary -- use className) */
351    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
352        if (*cp == '.') {
353            if (convName == NULL) {
354                convName = strdup(className);
355                cp = convName + (cp-className);
356                className = convName;
357            }
358            *cp = '/';
359        }
360    }
361#endif
362
363    /*
364     * This is a little awkward because the JNI FindClass call uses the
365     * class loader associated with the native method we're executing in.
366     * Because this native method is part of a "boot" class, JNI doesn't
367     * look for the class in CLASSPATH, which unfortunately is a likely
368     * location for it.  (Had we issued the FindClass call before calling
369     * into the VM -- at which point there isn't a native method frame on
370     * the stack -- the VM would have checked CLASSPATH.  We have to do
371     * this because we call into Java Programming Language code and
372     * bounce back out.)
373     *
374     * JNI lacks a "find class in a specific class loader" operation, so we
375     * have to do things the hard way.
376     */
377    jclass cls = NULL;
378    //cls = env->FindClass(className);
379
380    jclass javaLangClassLoader;
381    jmethodID getSystemClassLoader, loadClass;
382    jobject systemClassLoader;
383    jstring strClassName;
384
385    /* find the "system" class loader; none of this is expected to fail */
386    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
387    assert(javaLangClassLoader != NULL);
388    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
389        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
390    loadClass = env->GetMethodID(javaLangClassLoader,
391        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
392    assert(getSystemClassLoader != NULL && loadClass != NULL);
393    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
394        getSystemClassLoader);
395    assert(systemClassLoader != NULL);
396
397    /* create an object for the class name string; alloc could fail */
398    strClassName = env->NewStringUTF(className);
399    if (env->ExceptionCheck()) {
400        LOGE("ERROR: unable to convert '%s' to string\n", className);
401        goto bail;
402    }
403    LOGV("system class loader is %p, loading %p (%s)\n",
404        systemClassLoader, strClassName, className);
405
406    /* try to find the named class */
407    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
408                        strClassName);
409    if (env->ExceptionCheck()) {
410        LOGE("ERROR: unable to load class '%s' from %p\n",
411            className, systemClassLoader);
412        cls = NULL;
413        goto bail;
414    }
415
416bail:
417    free(convName);
418    return cls;
419}
420
421/*
422 * The VM calls this through the "exit" hook.
423 */
424static void runtime_exit(int code)
425{
426    gCurRuntime->onExit(code);
427    exit(code);
428}
429
430/*
431 * The VM calls this through the "vfprintf" hook.
432 *
433 * We ignore "fp" and just write the results to the log file.
434 */
435static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
436{
437    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
438}
439
440
441/**
442 * Add VM arguments to the to-be-executed VM
443 * Stops at first non '-' argument (also stops at an argument of '--')
444 * Returns the number of args consumed
445 */
446int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
447{
448    int i;
449
450    for (i = 0; i<argc; i++) {
451        if (argv[i][0] != '-') {
452            return i;
453        }
454        if (argv[i][1] == '-' && argv[i][2] == 0) {
455            return i+1;
456        }
457
458        JavaVMOption opt;
459        memset(&opt, 0, sizeof(opt));
460        opt.optionString = (char*)argv[i];
461        mOptions.add(opt);
462    }
463    return i;
464}
465
466static int hasDir(const char* dir)
467{
468    struct stat s;
469    int res = stat(dir, &s);
470    if (res == 0) {
471        return S_ISDIR(s.st_mode);
472    }
473    return 0;
474}
475
476/*
477 * We just want failed write() calls to just return with an error.
478 */
479static void blockSigpipe()
480{
481    sigset_t mask;
482
483    sigemptyset(&mask);
484    sigaddset(&mask, SIGPIPE);
485    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
486        LOGW("WARNING: SIGPIPE not blocked\n");
487}
488
489/*
490 * Read the persistent locale.
491 */
492static void readLocale(char* language, char* region)
493{
494    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
495
496    property_get("persist.sys.language", propLang, "");
497    property_get("persist.sys.country", propRegn, "");
498    if (*propLang == 0 && *propRegn == 0) {
499        /* Set to ro properties, default is en_US */
500        property_get("ro.product.locale.language", propLang, "en");
501        property_get("ro.product.locale.region", propRegn, "US");
502    }
503    strncat(language, propLang, 2);
504    strncat(region, propRegn, 2);
505    //LOGD("language=%s region=%s\n", language, region);
506}
507
508/*
509 * Start the Dalvik Virtual Machine.
510 *
511 * Various arguments, most determined by system properties, are passed in.
512 * The "mOptions" vector is updated.
513 *
514 * Returns 0 on success.
515 */
516int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
517{
518    int result = -1;
519    JavaVMInitArgs initArgs;
520    JavaVMOption opt;
521    char propBuf[PROPERTY_VALUE_MAX];
522    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
523    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
524    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
525    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
526    char* stackTraceFile = NULL;
527    bool checkJni = false;
528    bool checkDexSum = false;
529    bool logStdio = false;
530    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
531
532
533    property_get("dalvik.vm.checkjni", propBuf, "");
534    if (strcmp(propBuf, "true") == 0) {
535        checkJni = true;
536    } else if (strcmp(propBuf, "false") != 0) {
537        /* property is neither true nor false; fall back on kernel parameter */
538        property_get("ro.kernel.android.checkjni", propBuf, "");
539        if (propBuf[0] == '1') {
540            checkJni = true;
541        }
542    }
543
544    property_get("dalvik.vm.execution-mode", propBuf, "");
545    if (strcmp(propBuf, "int:portable") == 0) {
546        executionMode = kEMIntPortable;
547    } else if (strcmp(propBuf, "int:fast") == 0) {
548        executionMode = kEMIntFast;
549    }
550
551    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
552
553    property_get("dalvik.vm.check-dex-sum", propBuf, "");
554    if (strcmp(propBuf, "true") == 0) {
555        checkDexSum = true;
556    }
557
558    property_get("log.redirect-stdio", propBuf, "");
559    if (strcmp(propBuf, "true") == 0) {
560        logStdio = true;
561    }
562
563    strcpy(enableAssertBuf, "-ea:");
564    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
565
566    strcpy(jniOptsBuf, "-Xjniopts:");
567    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
568
569    /* route exit() to our handler */
570    opt.extraInfo = (void*) runtime_exit;
571    opt.optionString = "exit";
572    mOptions.add(opt);
573
574    /* route fprintf() to our handler */
575    opt.extraInfo = (void*) runtime_vfprintf;
576    opt.optionString = "vfprintf";
577    mOptions.add(opt);
578
579    opt.extraInfo = NULL;
580
581    /* enable verbose; standard options are { jni, gc, class } */
582    //options[curOpt++].optionString = "-verbose:jni";
583    opt.optionString = "-verbose:gc";
584    mOptions.add(opt);
585    //options[curOpt++].optionString = "-verbose:class";
586
587#ifdef CUSTOM_RUNTIME_HEAP_MAX
588#define __make_max_heap_opt(val) #val
589#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
590    opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
591#undef __make_max_heap_opt
592#undef _make_max_heap_opt
593#else
594    /* limit memory use to 16MB */
595    opt.optionString = "-Xmx16m";
596#endif
597    mOptions.add(opt);
598
599    /*
600     * Enable or disable dexopt features, such as bytecode verification and
601     * calculation of register maps for precise GC.
602     */
603    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
604    if (dexoptFlagsBuf[0] != '\0') {
605        const char* opc;
606        const char* val;
607
608        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
609        if (opc != NULL) {
610            switch (*(opc+2)) {
611            case 'n':   val = "-Xverify:none";      break;
612            case 'r':   val = "-Xverify:remote";    break;
613            case 'a':   val = "-Xverify:all";       break;
614            default:    val = NULL;                 break;
615            }
616
617            if (val != NULL) {
618                opt.optionString = val;
619                mOptions.add(opt);
620            }
621        }
622
623        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
624        if (opc != NULL) {
625            switch (*(opc+2)) {
626            case 'n':   val = "-Xdexopt:none";      break;
627            case 'v':   val = "-Xdexopt:verified";  break;
628            case 'a':   val = "-Xdexopt:all";       break;
629            default:    val = NULL;                 break;
630            }
631
632            if (val != NULL) {
633                opt.optionString = val;
634                mOptions.add(opt);
635            }
636        }
637
638        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
639        if (opc != NULL) {
640            opt.optionString = "-Xgenregmap";
641            mOptions.add(opt);
642
643            /* turn on precise GC while we're at it */
644            opt.optionString = "-Xgc:precise";
645            mOptions.add(opt);
646        }
647    }
648
649    /* enable debugging; set suspend=y to pause during VM init */
650#ifdef HAVE_ANDROID_OS
651    /* use android ADB transport */
652    opt.optionString =
653        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
654#else
655    /* use TCP socket; address=0 means start at port 8000 and probe up */
656    LOGI("Using TCP socket for JDWP\n");
657    opt.optionString =
658        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
659#endif
660    mOptions.add(opt);
661
662    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
663    property_get("dalvik.vm.deadlock-predict", propBuf, "");
664    if (strlen(propBuf) > 0) {
665        strcpy(enableDPBuf, "-Xdeadlockpredict:");
666        strcat(enableDPBuf, propBuf);
667        opt.optionString = enableDPBuf;
668        mOptions.add(opt);
669    }
670
671    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
672    if (checkJni) {
673        /* extended JNI checking */
674        opt.optionString = "-Xcheck:jni";
675        mOptions.add(opt);
676
677        /* set a cap on JNI global references */
678        opt.optionString = "-Xjnigreflimit:2000";
679        mOptions.add(opt);
680
681        /* with -Xcheck:jni, this provides a JNI function call trace */
682        //opt.optionString = "-verbose:jni";
683        //mOptions.add(opt);
684    }
685    if (executionMode == kEMIntPortable) {
686        opt.optionString = "-Xint:portable";
687        mOptions.add(opt);
688    } else if (executionMode == kEMIntFast) {
689        opt.optionString = "-Xint:fast";
690        mOptions.add(opt);
691    }
692
693    if (checkDexSum) {
694        /* perform additional DEX checksum tests */
695        opt.optionString = "-Xcheckdexsum";
696        mOptions.add(opt);
697    }
698
699    if (logStdio) {
700        /* convert stdout/stderr to log messages */
701        opt.optionString = "-Xlog-stdio";
702        mOptions.add(opt);
703    }
704
705    if (enableAssertBuf[4] != '\0') {
706        /* accept "all" to mean "all classes and packages" */
707        if (strcmp(enableAssertBuf+4, "all") == 0)
708            enableAssertBuf[3] = '\0';
709        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
710        opt.optionString = enableAssertBuf;
711        mOptions.add(opt);
712    } else {
713        LOGV("Assertions disabled\n");
714    }
715
716    if (jniOptsBuf[10] != '\0') {
717        LOGI("JNI options: '%s'\n", jniOptsBuf);
718        opt.optionString = jniOptsBuf;
719        mOptions.add(opt);
720    }
721
722    if (stackTraceFileBuf[0] != '\0') {
723        static const char* stfOptName = "-Xstacktracefile:";
724
725        stackTraceFile = (char*) malloc(strlen(stfOptName) +
726            strlen(stackTraceFileBuf) +1);
727        strcpy(stackTraceFile, stfOptName);
728        strcat(stackTraceFile, stackTraceFileBuf);
729        opt.optionString = stackTraceFile;
730        mOptions.add(opt);
731    }
732
733    /* Set the properties for locale */
734    {
735        char langOption[sizeof("-Duser.language=") + 3];
736        char regionOption[sizeof("-Duser.region=") + 3];
737        strcpy(langOption, "-Duser.language=");
738        strcpy(regionOption, "-Duser.region=");
739        readLocale(langOption, regionOption);
740        opt.extraInfo = NULL;
741        opt.optionString = langOption;
742        mOptions.add(opt);
743        opt.optionString = regionOption;
744        mOptions.add(opt);
745    }
746
747    /*
748     * We don't have /tmp on the device, but we often have an SD card.  Apps
749     * shouldn't use this, but some test suites might want to exercise it.
750     */
751    opt.optionString = "-Djava.io.tmpdir=/sdcard";
752    mOptions.add(opt);
753
754    initArgs.version = JNI_VERSION_1_4;
755    initArgs.options = mOptions.editArray();
756    initArgs.nOptions = mOptions.size();
757    initArgs.ignoreUnrecognized = JNI_FALSE;
758
759    /*
760     * Initialize the VM.
761     *
762     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
763     * If this call succeeds, the VM is ready, and we can start issuing
764     * JNI calls.
765     */
766    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
767        LOGE("JNI_CreateJavaVM failed\n");
768        goto bail;
769    }
770
771    result = 0;
772
773bail:
774    free(stackTraceFile);
775    return result;
776}
777
778/*
779 * Start the Android runtime.  This involves starting the virtual machine
780 * and calling the "static void main(String[] args)" method in the class
781 * named by "className".
782 */
783void AndroidRuntime::start(const char* className, const bool startSystemServer)
784{
785    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
786
787    char* slashClassName = NULL;
788    char* cp;
789    JNIEnv* env;
790
791    blockSigpipe();
792
793    /*
794     * 'startSystemServer == true' means runtime is obslete and not run from
795     * init.rc anymore, so we print out the boot start event here.
796     */
797    if (startSystemServer) {
798        /* track our progress through the boot sequence */
799        const int LOG_BOOT_PROGRESS_START = 3000;
800        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
801                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
802    }
803
804    const char* rootDir = getenv("ANDROID_ROOT");
805    if (rootDir == NULL) {
806        rootDir = "/system";
807        if (!hasDir("/system")) {
808            LOG_FATAL("No root directory specified, and /android does not exist.");
809            goto bail;
810        }
811        setenv("ANDROID_ROOT", rootDir, 1);
812    }
813
814    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
815    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
816
817    /* start the virtual machine */
818    if (startVm(&mJavaVM, &env) != 0)
819        goto bail;
820
821    /*
822     * Register android functions.
823     */
824    if (startReg(env) < 0) {
825        LOGE("Unable to register all android natives\n");
826        goto bail;
827    }
828
829    /*
830     * We want to call main() with a String array with arguments in it.
831     * At present we only have one argument, the class name.  Create an
832     * array to hold it.
833     */
834    jclass stringClass;
835    jobjectArray strArray;
836    jstring classNameStr;
837    jstring startSystemServerStr;
838
839    stringClass = env->FindClass("java/lang/String");
840    assert(stringClass != NULL);
841    strArray = env->NewObjectArray(2, stringClass, NULL);
842    assert(strArray != NULL);
843    classNameStr = env->NewStringUTF(className);
844    assert(classNameStr != NULL);
845    env->SetObjectArrayElement(strArray, 0, classNameStr);
846    startSystemServerStr = env->NewStringUTF(startSystemServer ?
847                                                 "true" : "false");
848    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
849
850    /*
851     * Start VM.  This thread becomes the main thread of the VM, and will
852     * not return until the VM exits.
853     */
854    jclass startClass;
855    jmethodID startMeth;
856
857    slashClassName = strdup(className);
858    for (cp = slashClassName; *cp != '\0'; cp++)
859        if (*cp == '.')
860            *cp = '/';
861
862    startClass = env->FindClass(slashClassName);
863    if (startClass == NULL) {
864        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
865        /* keep going */
866    } else {
867        startMeth = env->GetStaticMethodID(startClass, "main",
868            "([Ljava/lang/String;)V");
869        if (startMeth == NULL) {
870            LOGE("JavaVM unable to find main() in '%s'\n", className);
871            /* keep going */
872        } else {
873            env->CallStaticVoidMethod(startClass, startMeth, strArray);
874
875#if 0
876            if (env->ExceptionCheck())
877                threadExitUncaughtException(env);
878#endif
879        }
880    }
881
882    LOGD("Shutting down VM\n");
883    if (mJavaVM->DetachCurrentThread() != JNI_OK)
884        LOGW("Warning: unable to detach main thread\n");
885    if (mJavaVM->DestroyJavaVM() != 0)
886        LOGW("Warning: VM did not shut down cleanly\n");
887
888bail:
889    free(slashClassName);
890}
891
892void AndroidRuntime::start()
893{
894    start("com.android.internal.os.RuntimeInit",
895        false /* Don't start the system server */);
896}
897
898void AndroidRuntime::onExit(int code)
899{
900    LOGI("AndroidRuntime onExit calling exit(%d)", code);
901    exit(code);
902}
903
904/*
905 * Get the JNIEnv pointer for this thread.
906 *
907 * Returns NULL if the slot wasn't allocated or populated.
908 */
909/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
910{
911    JNIEnv* env;
912    JavaVM* vm = AndroidRuntime::getJavaVM();
913    assert(vm != NULL);
914
915    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
916        return NULL;
917    return env;
918}
919
920/*
921 * Makes the current thread visible to the VM.
922 *
923 * The JNIEnv pointer returned is only valid for the current thread, and
924 * thus must be tucked into thread-local storage.
925 */
926static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
927{
928    JavaVMAttachArgs args;
929    JavaVM* vm;
930    jint result;
931
932    vm = AndroidRuntime::getJavaVM();
933    assert(vm != NULL);
934
935    args.version = JNI_VERSION_1_4;
936    args.name = (char*) threadName;
937    args.group = NULL;
938
939    result = vm->AttachCurrentThread(pEnv, (void*) &args);
940    if (result != JNI_OK)
941        LOGE("ERROR: thread attach failed\n");
942
943    return result;
944}
945
946/*
947 * Detach the current thread from the set visible to the VM.
948 */
949static int javaDetachThread(void)
950{
951    JavaVM* vm;
952    jint result;
953
954    vm = AndroidRuntime::getJavaVM();
955    assert(vm != NULL);
956
957    result = vm->DetachCurrentThread();
958    if (result != JNI_OK)
959        LOGE("ERROR: thread detach failed\n");
960    return result;
961}
962
963/*
964 * When starting a native thread that will be visible from the VM, we
965 * bounce through this to get the right attach/detach action.
966 * Note that this function calls free(args)
967 */
968/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
969    void* start = ((void**)args)[0];
970    void* userData = ((void **)args)[1];
971    char* name = (char*) ((void **)args)[2];        // we own this storage
972    free(args);
973    JNIEnv* env;
974    int result;
975
976    /* hook us into the VM */
977    if (javaAttachThread(name, &env) != JNI_OK)
978        return -1;
979
980    /* start the thread running */
981    result = (*(android_thread_func_t)start)(userData);
982
983    /* unhook us */
984    javaDetachThread();
985    free(name);
986
987    return result;
988}
989
990/*
991 * This is invoked from androidCreateThreadEtc() via the callback
992 * set with androidSetCreateThreadFunc().
993 *
994 * We need to create the new thread in such a way that it gets hooked
995 * into the VM before it really starts executing.
996 */
997/*static*/ int AndroidRuntime::javaCreateThreadEtc(
998                                android_thread_func_t entryFunction,
999                                void* userData,
1000                                const char* threadName,
1001                                int32_t threadPriority,
1002                                size_t threadStackSize,
1003                                android_thread_id_t* threadId)
1004{
1005    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1006    int result;
1007
1008    assert(threadName != NULL);
1009
1010    args[0] = (void*) entryFunction;
1011    args[1] = userData;
1012    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1013
1014    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1015        threadName, threadPriority, threadStackSize, threadId);
1016    return result;
1017}
1018
1019/*
1020 * Create a thread that is visible from the VM.
1021 *
1022 * This is called from elsewhere in the library.
1023 */
1024/*static*/ void AndroidRuntime::createJavaThread(const char* name,
1025    void (*start)(void *), void* arg)
1026{
1027    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1028        ANDROID_PRIORITY_DEFAULT, 0, NULL);
1029}
1030
1031#if 0
1032static void quickTest(void* arg)
1033{
1034    const char* str = (const char*) arg;
1035
1036    printf("In quickTest: %s\n", str);
1037}
1038#endif
1039
1040#ifdef NDEBUG
1041    #define REG_JNI(name)      { name }
1042    struct RegJNIRec {
1043        int (*mProc)(JNIEnv*);
1044    };
1045#else
1046    #define REG_JNI(name)      { name, #name }
1047    struct RegJNIRec {
1048        int (*mProc)(JNIEnv*);
1049        const char* mName;
1050    };
1051#endif
1052
1053typedef void (*RegJAMProc)();
1054
1055static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1056{
1057    for (size_t i = 0; i < count; i++) {
1058        if (array[i].mProc(env) < 0) {
1059#ifndef NDEBUG
1060            LOGD("----------!!! %s failed to load\n", array[i].mName);
1061#endif
1062            return -1;
1063        }
1064    }
1065    return 0;
1066}
1067
1068static void register_jam_procs(const RegJAMProc array[], size_t count)
1069{
1070    for (size_t i = 0; i < count; i++) {
1071        array[i]();
1072    }
1073}
1074
1075static const RegJNIRec gRegJNI[] = {
1076    REG_JNI(register_android_debug_JNITest),
1077    REG_JNI(register_com_android_internal_os_RuntimeInit),
1078    REG_JNI(register_android_os_SystemClock),
1079    REG_JNI(register_android_util_EventLog),
1080    REG_JNI(register_android_util_Log),
1081    REG_JNI(register_android_util_FloatMath),
1082    REG_JNI(register_android_text_format_Time),
1083    REG_JNI(register_android_pim_EventRecurrence),
1084    REG_JNI(register_android_content_AssetManager),
1085    REG_JNI(register_android_content_StringBlock),
1086    REG_JNI(register_android_content_XmlBlock),
1087    REG_JNI(register_android_emoji_EmojiFactory),
1088    REG_JNI(register_android_security_Md5MessageDigest),
1089    REG_JNI(register_android_text_AndroidCharacter),
1090    REG_JNI(register_android_text_KeyCharacterMap),
1091    REG_JNI(register_android_os_Process),
1092    REG_JNI(register_android_os_Binder),
1093    REG_JNI(register_android_os_Hardware),
1094    REG_JNI(register_android_view_Display),
1095    REG_JNI(register_android_nio_utils),
1096    REG_JNI(register_android_graphics_PixelFormat),
1097    REG_JNI(register_android_graphics_Graphics),
1098    REG_JNI(register_android_view_Surface),
1099    REG_JNI(register_android_view_ViewRoot),
1100    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1101    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1102    REG_JNI(register_android_opengl_jni_GLES10),
1103    REG_JNI(register_android_opengl_jni_GLES10Ext),
1104    REG_JNI(register_android_opengl_jni_GLES11),
1105    REG_JNI(register_android_opengl_jni_GLES11Ext),
1106
1107    REG_JNI(register_android_graphics_Bitmap),
1108    REG_JNI(register_android_graphics_BitmapFactory),
1109    REG_JNI(register_android_graphics_Camera),
1110    REG_JNI(register_android_graphics_Canvas),
1111    REG_JNI(register_android_graphics_ColorFilter),
1112    REG_JNI(register_android_graphics_DrawFilter),
1113    REG_JNI(register_android_graphics_Interpolator),
1114    REG_JNI(register_android_graphics_LayerRasterizer),
1115    REG_JNI(register_android_graphics_MaskFilter),
1116    REG_JNI(register_android_graphics_Matrix),
1117    REG_JNI(register_android_graphics_Movie),
1118    REG_JNI(register_android_graphics_NinePatch),
1119    REG_JNI(register_android_graphics_Paint),
1120    REG_JNI(register_android_graphics_Path),
1121    REG_JNI(register_android_graphics_PathMeasure),
1122    REG_JNI(register_android_graphics_PathEffect),
1123    REG_JNI(register_android_graphics_Picture),
1124    REG_JNI(register_android_graphics_PorterDuff),
1125    REG_JNI(register_android_graphics_Rasterizer),
1126    REG_JNI(register_android_graphics_Region),
1127    REG_JNI(register_android_graphics_Shader),
1128    REG_JNI(register_android_graphics_Typeface),
1129    REG_JNI(register_android_graphics_Xfermode),
1130    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1131
1132    REG_JNI(register_android_database_CursorWindow),
1133    REG_JNI(register_android_database_SQLiteDatabase),
1134    REG_JNI(register_android_database_SQLiteDebug),
1135    REG_JNI(register_android_database_SQLiteProgram),
1136    REG_JNI(register_android_database_SQLiteQuery),
1137    REG_JNI(register_android_database_SQLiteStatement),
1138    REG_JNI(register_android_os_Debug),
1139    REG_JNI(register_android_os_FileObserver),
1140    REG_JNI(register_android_os_FileUtils),
1141    REG_JNI(register_android_os_ParcelFileDescriptor),
1142    REG_JNI(register_android_os_Power),
1143    REG_JNI(register_android_os_StatFs),
1144    REG_JNI(register_android_os_SystemProperties),
1145    REG_JNI(register_android_os_UEventObserver),
1146    REG_JNI(register_android_net_LocalSocketImpl),
1147    REG_JNI(register_android_net_NetworkUtils),
1148    REG_JNI(register_android_net_wifi_WifiManager),
1149    REG_JNI(register_android_os_MemoryFile),
1150    REG_JNI(register_com_android_internal_os_ZygoteInit),
1151    REG_JNI(register_android_hardware_Camera),
1152    REG_JNI(register_android_hardware_SensorManager),
1153    REG_JNI(register_android_media_AudioRecord),
1154    REG_JNI(register_android_media_AudioSystem),
1155    REG_JNI(register_android_media_AudioTrack),
1156    REG_JNI(register_android_media_JetPlayer),
1157    REG_JNI(register_android_media_ToneGenerator),
1158
1159    REG_JNI(register_android_opengl_classes),
1160    REG_JNI(register_android_bluetooth_HeadsetBase),
1161    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1162    REG_JNI(register_android_bluetooth_BluetoothSocket),
1163    REG_JNI(register_android_bluetooth_ScoSocket),
1164    REG_JNI(register_android_server_BluetoothDeviceService),
1165    REG_JNI(register_android_server_BluetoothEventLoop),
1166    REG_JNI(register_android_server_BluetoothA2dpService),
1167    REG_JNI(register_android_message_digest_sha1),
1168    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1169    REG_JNI(register_android_util_Base64),
1170    REG_JNI(register_android_location_GpsLocationProvider),
1171    REG_JNI(register_android_backup_BackupDataOutput),
1172    REG_JNI(register_android_backup_FileBackupHelper),
1173};
1174
1175/*
1176 * Register android native functions with the VM.
1177 */
1178/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1179{
1180    /*
1181     * This hook causes all future threads created in this process to be
1182     * attached to the JavaVM.  (This needs to go away in favor of JNI
1183     * Attach calls.)
1184     */
1185    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1186
1187    LOGD("--- registering native functions ---\n");
1188
1189    /*
1190     * Every "register" function calls one or more things that return
1191     * a local reference (e.g. FindClass).  Because we haven't really
1192     * started the VM yet, they're all getting stored in the base frame
1193     * and never released.  Use Push/Pop to manage the storage.
1194     */
1195    env->PushLocalFrame(200);
1196
1197    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1198        env->PopLocalFrame(NULL);
1199        return -1;
1200    }
1201    env->PopLocalFrame(NULL);
1202
1203    //createJavaThread("fubar", quickTest, (void*) "hello");
1204
1205    return 0;
1206}
1207
1208AndroidRuntime* AndroidRuntime::getRuntime()
1209{
1210    return gCurRuntime;
1211}
1212
1213/**
1214 * Used by WithFramework to register native functions.
1215 */
1216extern "C"
1217jint Java_com_android_internal_util_WithFramework_registerNatives(
1218        JNIEnv* env, jclass clazz) {
1219    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1220}
1221
1222/**
1223 * Used by LoadClass to register native functions.
1224 */
1225extern "C"
1226jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1227    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1228}
1229
1230}   // namespace android
1231