AndroidRuntime.cpp revision daf701fa6250ae89ad93e2e41127e0f676a322a5 
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/StringArray.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_BackupDataInput(JNIEnv *env);
157extern int register_android_backup_BackupDataOutput(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
509/*
510 * Start the Dalvik Virtual Machine.
511 *
512 * Various arguments, most determined by system properties, are passed in.
513 * The "mOptions" vector is updated.
514 *
515 * Returns 0 on success.
516 */
517int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
518{
519    int result = -1;
520    JavaVMInitArgs initArgs;
521    JavaVMOption opt;
522    char propBuf[PROPERTY_VALUE_MAX];
523    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
524    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
525    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
526    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
527    char* stackTraceFile = NULL;
528    bool checkJni = false;
529    bool checkDexSum = false;
530    bool logStdio = false;
531    enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
532
533
534    property_get("dalvik.vm.checkjni", propBuf, "");
535    if (strcmp(propBuf, "true") == 0) {
536        checkJni = true;
537    } else if (strcmp(propBuf, "false") != 0) {
538        /* property is neither true nor false; fall back on kernel parameter */
539        property_get("ro.kernel.android.checkjni", propBuf, "");
540        if (propBuf[0] == '1') {
541            checkJni = true;
542        }
543    }
544
545    property_get("dalvik.vm.execution-mode", propBuf, "");
546    if (strcmp(propBuf, "int:portable") == 0) {
547        executionMode = kEMIntPortable;
548    } else if (strcmp(propBuf, "int:fast") == 0) {
549        executionMode = kEMIntFast;
550    }
551
552    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
553
554    property_get("dalvik.vm.check-dex-sum", propBuf, "");
555    if (strcmp(propBuf, "true") == 0) {
556        checkDexSum = true;
557    }
558
559    property_get("log.redirect-stdio", propBuf, "");
560    if (strcmp(propBuf, "true") == 0) {
561        logStdio = true;
562    }
563
564    strcpy(enableAssertBuf, "-ea:");
565    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
566
567    strcpy(jniOptsBuf, "-Xjniopts:");
568    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
569
570    /* route exit() to our handler */
571    opt.extraInfo = (void*) runtime_exit;
572    opt.optionString = "exit";
573    mOptions.add(opt);
574
575    /* route fprintf() to our handler */
576    opt.extraInfo = (void*) runtime_vfprintf;
577    opt.optionString = "vfprintf";
578    mOptions.add(opt);
579
580    opt.extraInfo = NULL;
581
582    /* enable verbose; standard options are { jni, gc, class } */
583    //options[curOpt++].optionString = "-verbose:jni";
584    opt.optionString = "-verbose:gc";
585    mOptions.add(opt);
586    //options[curOpt++].optionString = "-verbose:class";
587
588#ifdef CUSTOM_RUNTIME_HEAP_MAX
589#define __make_max_heap_opt(val) #val
590#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
591    opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
592#undef __make_max_heap_opt
593#undef _make_max_heap_opt
594#else
595    /* limit memory use to 16MB */
596    opt.optionString = "-Xmx16m";
597#endif
598    mOptions.add(opt);
599
600    /*
601     * Enable or disable dexopt features, such as bytecode verification and
602     * calculation of register maps for precise GC.
603     */
604    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
605    if (dexoptFlagsBuf[0] != '\0') {
606        const char* opc;
607        const char* val;
608
609        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
610        if (opc != NULL) {
611            switch (*(opc+2)) {
612            case 'n':   val = "-Xverify:none";      break;
613            case 'r':   val = "-Xverify:remote";    break;
614            case 'a':   val = "-Xverify:all";       break;
615            default:    val = NULL;                 break;
616            }
617
618            if (val != NULL) {
619                opt.optionString = val;
620                mOptions.add(opt);
621            }
622        }
623
624        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
625        if (opc != NULL) {
626            switch (*(opc+2)) {
627            case 'n':   val = "-Xdexopt:none";      break;
628            case 'v':   val = "-Xdexopt:verified";  break;
629            case 'a':   val = "-Xdexopt: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, "m=y");    /* register map */
640        if (opc != NULL) {
641            opt.optionString = "-Xgenregmap";
642            mOptions.add(opt);
643
644            /* turn on precise GC while we're at it */
645            opt.optionString = "-Xgc:precise";
646            mOptions.add(opt);
647        }
648    }
649
650    /* enable debugging; set suspend=y to pause during VM init */
651#ifdef HAVE_ANDROID_OS
652    /* use android ADB transport */
653    opt.optionString =
654        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
655#else
656    /* use TCP socket; address=0 means start at port 8000 and probe up */
657    LOGI("Using TCP socket for JDWP\n");
658    opt.optionString =
659        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
660#endif
661    mOptions.add(opt);
662
663    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
664    property_get("dalvik.vm.deadlock-predict", propBuf, "");
665    if (strlen(propBuf) > 0) {
666        strcpy(enableDPBuf, "-Xdeadlockpredict:");
667        strcat(enableDPBuf, propBuf);
668        opt.optionString = enableDPBuf;
669        mOptions.add(opt);
670    }
671
672    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
673    if (checkJni) {
674        /* extended JNI checking */
675        opt.optionString = "-Xcheck:jni";
676        mOptions.add(opt);
677
678        /* set a cap on JNI global references */
679        opt.optionString = "-Xjnigreflimit:2000";
680        mOptions.add(opt);
681
682        /* with -Xcheck:jni, this provides a JNI function call trace */
683        //opt.optionString = "-verbose:jni";
684        //mOptions.add(opt);
685    }
686    if (executionMode == kEMIntPortable) {
687        opt.optionString = "-Xint:portable";
688        mOptions.add(opt);
689    } else if (executionMode == kEMIntFast) {
690        opt.optionString = "-Xint:fast";
691        mOptions.add(opt);
692    }
693
694    if (checkDexSum) {
695        /* perform additional DEX checksum tests */
696        opt.optionString = "-Xcheckdexsum";
697        mOptions.add(opt);
698    }
699
700    if (logStdio) {
701        /* convert stdout/stderr to log messages */
702        opt.optionString = "-Xlog-stdio";
703        mOptions.add(opt);
704    }
705
706    if (enableAssertBuf[4] != '\0') {
707        /* accept "all" to mean "all classes and packages" */
708        if (strcmp(enableAssertBuf+4, "all") == 0)
709            enableAssertBuf[3] = '\0';
710        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
711        opt.optionString = enableAssertBuf;
712        mOptions.add(opt);
713    } else {
714        LOGV("Assertions disabled\n");
715    }
716
717    if (jniOptsBuf[10] != '\0') {
718        LOGI("JNI options: '%s'\n", jniOptsBuf);
719        opt.optionString = jniOptsBuf;
720        mOptions.add(opt);
721    }
722
723    if (stackTraceFileBuf[0] != '\0') {
724        static const char* stfOptName = "-Xstacktracefile:";
725
726        stackTraceFile = (char*) malloc(strlen(stfOptName) +
727            strlen(stackTraceFileBuf) +1);
728        strcpy(stackTraceFile, stfOptName);
729        strcat(stackTraceFile, stackTraceFileBuf);
730        opt.optionString = stackTraceFile;
731        mOptions.add(opt);
732    }
733
734    /* Set the properties for locale */
735    {
736        char langOption[sizeof("-Duser.language=") + 3];
737        char regionOption[sizeof("-Duser.region=") + 3];
738        strcpy(langOption, "-Duser.language=");
739        strcpy(regionOption, "-Duser.region=");
740        readLocale(langOption, regionOption);
741        opt.extraInfo = NULL;
742        opt.optionString = langOption;
743        mOptions.add(opt);
744        opt.optionString = regionOption;
745        mOptions.add(opt);
746    }
747
748    /*
749     * We don't have /tmp on the device, but we often have an SD card.  Apps
750     * shouldn't use this, but some test suites might want to exercise it.
751     */
752    opt.optionString = "-Djava.io.tmpdir=/sdcard";
753    mOptions.add(opt);
754
755    initArgs.version = JNI_VERSION_1_4;
756    initArgs.options = mOptions.editArray();
757    initArgs.nOptions = mOptions.size();
758    initArgs.ignoreUnrecognized = JNI_FALSE;
759
760    /*
761     * Initialize the VM.
762     *
763     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
764     * If this call succeeds, the VM is ready, and we can start issuing
765     * JNI calls.
766     */
767    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
768        LOGE("JNI_CreateJavaVM failed\n");
769        goto bail;
770    }
771
772    result = 0;
773
774bail:
775    free(stackTraceFile);
776    return result;
777}
778
779/*
780 * Start the Android runtime.  This involves starting the virtual machine
781 * and calling the "static void main(String[] args)" method in the class
782 * named by "className".
783 */
784void AndroidRuntime::start(const char* className, const bool startSystemServer)
785{
786    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
787
788    char* slashClassName = NULL;
789    char* cp;
790    JNIEnv* env;
791
792    blockSigpipe();
793
794    /*
795     * 'startSystemServer == true' means runtime is obslete and not run from
796     * init.rc anymore, so we print out the boot start event here.
797     */
798    if (startSystemServer) {
799        /* track our progress through the boot sequence */
800        const int LOG_BOOT_PROGRESS_START = 3000;
801        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
802                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
803    }
804
805    const char* rootDir = getenv("ANDROID_ROOT");
806    if (rootDir == NULL) {
807        rootDir = "/system";
808        if (!hasDir("/system")) {
809            LOG_FATAL("No root directory specified, and /android does not exist.");
810            goto bail;
811        }
812        setenv("ANDROID_ROOT", rootDir, 1);
813    }
814
815    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
816    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
817
818    /* start the virtual machine */
819    if (startVm(&mJavaVM, &env) != 0)
820        goto bail;
821
822    /*
823     * Register android functions.
824     */
825    if (startReg(env) < 0) {
826        LOGE("Unable to register all android natives\n");
827        goto bail;
828    }
829
830    /*
831     * We want to call main() with a String array with arguments in it.
832     * At present we only have one argument, the class name.  Create an
833     * array to hold it.
834     */
835    jclass stringClass;
836    jobjectArray strArray;
837    jstring classNameStr;
838    jstring startSystemServerStr;
839
840    stringClass = env->FindClass("java/lang/String");
841    assert(stringClass != NULL);
842    strArray = env->NewObjectArray(2, stringClass, NULL);
843    assert(strArray != NULL);
844    classNameStr = env->NewStringUTF(className);
845    assert(classNameStr != NULL);
846    env->SetObjectArrayElement(strArray, 0, classNameStr);
847    startSystemServerStr = env->NewStringUTF(startSystemServer ?
848                                                 "true" : "false");
849    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
850
851    /*
852     * Start VM.  This thread becomes the main thread of the VM, and will
853     * not return until the VM exits.
854     */
855    jclass startClass;
856    jmethodID startMeth;
857
858    slashClassName = strdup(className);
859    for (cp = slashClassName; *cp != '\0'; cp++)
860        if (*cp == '.')
861            *cp = '/';
862
863    startClass = env->FindClass(slashClassName);
864    if (startClass == NULL) {
865        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
866        /* keep going */
867    } else {
868        startMeth = env->GetStaticMethodID(startClass, "main",
869            "([Ljava/lang/String;)V");
870        if (startMeth == NULL) {
871            LOGE("JavaVM unable to find main() in '%s'\n", className);
872            /* keep going */
873        } else {
874            env->CallStaticVoidMethod(startClass, startMeth, strArray);
875
876#if 0
877            if (env->ExceptionCheck())
878                threadExitUncaughtException(env);
879#endif
880        }
881    }
882
883    LOGD("Shutting down VM\n");
884    if (mJavaVM->DetachCurrentThread() != JNI_OK)
885        LOGW("Warning: unable to detach main thread\n");
886    if (mJavaVM->DestroyJavaVM() != 0)
887        LOGW("Warning: VM did not shut down cleanly\n");
888
889bail:
890    free(slashClassName);
891}
892
893void AndroidRuntime::start()
894{
895    start("com.android.internal.os.RuntimeInit",
896        false /* Don't start the system server */);
897}
898
899void AndroidRuntime::onExit(int code)
900{
901    LOGI("AndroidRuntime onExit calling exit(%d)", code);
902    exit(code);
903}
904
905/*
906 * Get the JNIEnv pointer for this thread.
907 *
908 * Returns NULL if the slot wasn't allocated or populated.
909 */
910/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
911{
912    JNIEnv* env;
913    JavaVM* vm = AndroidRuntime::getJavaVM();
914    assert(vm != NULL);
915
916    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
917        return NULL;
918    return env;
919}
920
921/*
922 * Makes the current thread visible to the VM.
923 *
924 * The JNIEnv pointer returned is only valid for the current thread, and
925 * thus must be tucked into thread-local storage.
926 */
927static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
928{
929    JavaVMAttachArgs args;
930    JavaVM* vm;
931    jint result;
932
933    vm = AndroidRuntime::getJavaVM();
934    assert(vm != NULL);
935
936    args.version = JNI_VERSION_1_4;
937    args.name = (char*) threadName;
938    args.group = NULL;
939
940    result = vm->AttachCurrentThread(pEnv, (void*) &args);
941    if (result != JNI_OK)
942        LOGE("ERROR: thread attach failed\n");
943
944    return result;
945}
946
947/*
948 * Detach the current thread from the set visible to the VM.
949 */
950static int javaDetachThread(void)
951{
952    JavaVM* vm;
953    jint result;
954
955    vm = AndroidRuntime::getJavaVM();
956    assert(vm != NULL);
957
958    result = vm->DetachCurrentThread();
959    if (result != JNI_OK)
960        LOGE("ERROR: thread detach failed\n");
961    return result;
962}
963
964/*
965 * When starting a native thread that will be visible from the VM, we
966 * bounce through this to get the right attach/detach action.
967 * Note that this function calls free(args)
968 */
969/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
970    void* start = ((void**)args)[0];
971    void* userData = ((void **)args)[1];
972    char* name = (char*) ((void **)args)[2];        // we own this storage
973    free(args);
974    JNIEnv* env;
975    int result;
976
977    /* hook us into the VM */
978    if (javaAttachThread(name, &env) != JNI_OK)
979        return -1;
980
981    /* start the thread running */
982    result = (*(android_thread_func_t)start)(userData);
983
984    /* unhook us */
985    javaDetachThread();
986    free(name);
987
988    return result;
989}
990
991/*
992 * This is invoked from androidCreateThreadEtc() via the callback
993 * set with androidSetCreateThreadFunc().
994 *
995 * We need to create the new thread in such a way that it gets hooked
996 * into the VM before it really starts executing.
997 */
998/*static*/ int AndroidRuntime::javaCreateThreadEtc(
999                                android_thread_func_t entryFunction,
1000                                void* userData,
1001                                const char* threadName,
1002                                int32_t threadPriority,
1003                                size_t threadStackSize,
1004                                android_thread_id_t* threadId)
1005{
1006    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1007    int result;
1008
1009    assert(threadName != NULL);
1010
1011    args[0] = (void*) entryFunction;
1012    args[1] = userData;
1013    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1014
1015    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1016        threadName, threadPriority, threadStackSize, threadId);
1017    return result;
1018}
1019
1020/*
1021 * Create a thread that is visible from the VM.
1022 *
1023 * This is called from elsewhere in the library.
1024 */
1025/*static*/ void AndroidRuntime::createJavaThread(const char* name,
1026    void (*start)(void *), void* arg)
1027{
1028    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1029        ANDROID_PRIORITY_DEFAULT, 0, NULL);
1030}
1031
1032#if 0
1033static void quickTest(void* arg)
1034{
1035    const char* str = (const char*) arg;
1036
1037    printf("In quickTest: %s\n", str);
1038}
1039#endif
1040
1041#ifdef NDEBUG
1042    #define REG_JNI(name)      { name }
1043    struct RegJNIRec {
1044        int (*mProc)(JNIEnv*);
1045    };
1046#else
1047    #define REG_JNI(name)      { name, #name }
1048    struct RegJNIRec {
1049        int (*mProc)(JNIEnv*);
1050        const char* mName;
1051    };
1052#endif
1053
1054typedef void (*RegJAMProc)();
1055
1056static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1057{
1058    for (size_t i = 0; i < count; i++) {
1059        if (array[i].mProc(env) < 0) {
1060#ifndef NDEBUG
1061            LOGD("----------!!! %s failed to load\n", array[i].mName);
1062#endif
1063            return -1;
1064        }
1065    }
1066    return 0;
1067}
1068
1069static void register_jam_procs(const RegJAMProc array[], size_t count)
1070{
1071    for (size_t i = 0; i < count; i++) {
1072        array[i]();
1073    }
1074}
1075
1076static const RegJNIRec gRegJNI[] = {
1077    REG_JNI(register_android_debug_JNITest),
1078    REG_JNI(register_com_android_internal_os_RuntimeInit),
1079    REG_JNI(register_android_os_SystemClock),
1080    REG_JNI(register_android_util_EventLog),
1081    REG_JNI(register_android_util_Log),
1082    REG_JNI(register_android_util_FloatMath),
1083    REG_JNI(register_android_text_format_Time),
1084    REG_JNI(register_android_pim_EventRecurrence),
1085    REG_JNI(register_android_content_AssetManager),
1086    REG_JNI(register_android_content_StringBlock),
1087    REG_JNI(register_android_content_XmlBlock),
1088    REG_JNI(register_android_emoji_EmojiFactory),
1089    REG_JNI(register_android_security_Md5MessageDigest),
1090    REG_JNI(register_android_text_AndroidCharacter),
1091    REG_JNI(register_android_text_KeyCharacterMap),
1092    REG_JNI(register_android_os_Process),
1093    REG_JNI(register_android_os_Binder),
1094    REG_JNI(register_android_os_Hardware),
1095    REG_JNI(register_android_view_Display),
1096    REG_JNI(register_android_nio_utils),
1097    REG_JNI(register_android_graphics_PixelFormat),
1098    REG_JNI(register_android_graphics_Graphics),
1099    REG_JNI(register_android_view_Surface),
1100    REG_JNI(register_android_view_ViewRoot),
1101    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1102    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1103    REG_JNI(register_android_opengl_jni_GLES10),
1104    REG_JNI(register_android_opengl_jni_GLES10Ext),
1105    REG_JNI(register_android_opengl_jni_GLES11),
1106    REG_JNI(register_android_opengl_jni_GLES11Ext),
1107
1108    REG_JNI(register_android_graphics_Bitmap),
1109    REG_JNI(register_android_graphics_BitmapFactory),
1110    REG_JNI(register_android_graphics_Camera),
1111    REG_JNI(register_android_graphics_Canvas),
1112    REG_JNI(register_android_graphics_ColorFilter),
1113    REG_JNI(register_android_graphics_DrawFilter),
1114    REG_JNI(register_android_graphics_Interpolator),
1115    REG_JNI(register_android_graphics_LayerRasterizer),
1116    REG_JNI(register_android_graphics_MaskFilter),
1117    REG_JNI(register_android_graphics_Matrix),
1118    REG_JNI(register_android_graphics_Movie),
1119    REG_JNI(register_android_graphics_NinePatch),
1120    REG_JNI(register_android_graphics_Paint),
1121    REG_JNI(register_android_graphics_Path),
1122    REG_JNI(register_android_graphics_PathMeasure),
1123    REG_JNI(register_android_graphics_PathEffect),
1124    REG_JNI(register_android_graphics_Picture),
1125    REG_JNI(register_android_graphics_PorterDuff),
1126    REG_JNI(register_android_graphics_Rasterizer),
1127    REG_JNI(register_android_graphics_Region),
1128    REG_JNI(register_android_graphics_Shader),
1129    REG_JNI(register_android_graphics_Typeface),
1130    REG_JNI(register_android_graphics_Xfermode),
1131    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1132
1133    REG_JNI(register_android_database_CursorWindow),
1134    REG_JNI(register_android_database_SQLiteDatabase),
1135    REG_JNI(register_android_database_SQLiteDebug),
1136    REG_JNI(register_android_database_SQLiteProgram),
1137    REG_JNI(register_android_database_SQLiteQuery),
1138    REG_JNI(register_android_database_SQLiteStatement),
1139    REG_JNI(register_android_os_Debug),
1140    REG_JNI(register_android_os_FileObserver),
1141    REG_JNI(register_android_os_FileUtils),
1142    REG_JNI(register_android_os_ParcelFileDescriptor),
1143    REG_JNI(register_android_os_Power),
1144    REG_JNI(register_android_os_StatFs),
1145    REG_JNI(register_android_os_SystemProperties),
1146    REG_JNI(register_android_os_UEventObserver),
1147    REG_JNI(register_android_net_LocalSocketImpl),
1148    REG_JNI(register_android_net_NetworkUtils),
1149    REG_JNI(register_android_net_wifi_WifiManager),
1150    REG_JNI(register_android_os_MemoryFile),
1151    REG_JNI(register_com_android_internal_os_ZygoteInit),
1152    REG_JNI(register_android_hardware_Camera),
1153    REG_JNI(register_android_hardware_SensorManager),
1154    REG_JNI(register_android_media_AudioRecord),
1155    REG_JNI(register_android_media_AudioSystem),
1156    REG_JNI(register_android_media_AudioTrack),
1157    REG_JNI(register_android_media_JetPlayer),
1158    REG_JNI(register_android_media_ToneGenerator),
1159
1160    REG_JNI(register_android_opengl_classes),
1161    REG_JNI(register_android_bluetooth_HeadsetBase),
1162    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1163    REG_JNI(register_android_bluetooth_BluetoothSocket),
1164    REG_JNI(register_android_bluetooth_ScoSocket),
1165    REG_JNI(register_android_server_BluetoothDeviceService),
1166    REG_JNI(register_android_server_BluetoothEventLoop),
1167    REG_JNI(register_android_server_BluetoothA2dpService),
1168    REG_JNI(register_android_message_digest_sha1),
1169    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1170    REG_JNI(register_android_util_Base64),
1171    REG_JNI(register_android_location_GpsLocationProvider),
1172    REG_JNI(register_android_backup_BackupDataInput),
1173    REG_JNI(register_android_backup_BackupDataOutput),
1174    REG_JNI(register_android_backup_FileBackupHelper),
1175};
1176
1177/*
1178 * Register android native functions with the VM.
1179 */
1180/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1181{
1182    /*
1183     * This hook causes all future threads created in this process to be
1184     * attached to the JavaVM.  (This needs to go away in favor of JNI
1185     * Attach calls.)
1186     */
1187    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1188
1189    LOGD("--- registering native functions ---\n");
1190
1191    /*
1192     * Every "register" function calls one or more things that return
1193     * a local reference (e.g. FindClass).  Because we haven't really
1194     * started the VM yet, they're all getting stored in the base frame
1195     * and never released.  Use Push/Pop to manage the storage.
1196     */
1197    env->PushLocalFrame(200);
1198
1199    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1200        env->PopLocalFrame(NULL);
1201        return -1;
1202    }
1203    env->PopLocalFrame(NULL);
1204
1205    //createJavaThread("fubar", quickTest, (void*) "hello");
1206
1207    return 0;
1208}
1209
1210AndroidRuntime* AndroidRuntime::getRuntime()
1211{
1212    return gCurRuntime;
1213}
1214
1215/**
1216 * Used by WithFramework to register native functions.
1217 */
1218extern "C"
1219jint Java_com_android_internal_util_WithFramework_registerNatives(
1220        JNIEnv* env, jclass clazz) {
1221    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1222}
1223
1224/**
1225 * Used by LoadClass to register native functions.
1226 */
1227extern "C"
1228jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1229    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1230}
1231
1232}   // namespace android
1233