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gerrit-public.fairphone.software / platform / frameworks / base / c39a6e0c51e182338deb8b63d07933b585134929 / . / core / jni / AndroidRuntime.cpp
blob: f4643f4dbcd4f410d0783525ff7d3a75dd77923f [file] [log] [blame]
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800[diff] [blame]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);
69
70extern int register_android_hardware_Camera(JNIEnv *env);
71
72extern int register_android_hardware_SensorManager(JNIEnv *env);
73
74extern int register_android_media_AudioRecord(JNIEnv *env);
75extern int register_android_media_AudioSystem(JNIEnv *env);
76extern int register_android_media_AudioTrack(JNIEnv *env);
77extern int register_android_media_JetPlayer(JNIEnv *env);
78extern int register_android_media_ToneGenerator(JNIEnv *env);
79
80extern int register_android_message_digest_sha1(JNIEnv *env);
81
82extern int register_android_util_FloatMath(JNIEnv* env);
83
84namespace android {
85
86/*
87 * JNI-based registration functions. Note these are properly contained in
88 * namespace android.
89 */
90extern int register_android_content_AssetManager(JNIEnv* env);
91extern int register_android_util_EventLog(JNIEnv* env);
92extern int register_android_util_Log(JNIEnv* env);
93extern int register_android_content_StringBlock(JNIEnv* env);
94extern int register_android_content_XmlBlock(JNIEnv* env);
The Android Open Source Projectb2a3dd82009-03-09 11:52:12 -0700[diff] [blame]95extern int register_android_emoji_EmojiFactory(JNIEnv* env);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800[diff] [blame]96extern int register_android_graphics_Canvas(JNIEnv* env);
97extern int register_android_graphics_ColorFilter(JNIEnv* env);
98extern int register_android_graphics_DrawFilter(JNIEnv* env);
99extern int register_android_graphics_Matrix(JNIEnv* env);
100extern int register_android_graphics_Paint(JNIEnv* env);
101extern int register_android_graphics_Path(JNIEnv* env);
102extern int register_android_graphics_PathMeasure(JNIEnv* env);
103extern int register_android_graphics_Picture(JNIEnv*);
104extern int register_android_graphics_PorterDuff(JNIEnv* env);
105extern int register_android_graphics_Rasterizer(JNIEnv* env);
106extern int register_android_graphics_Xfermode(JNIEnv* env);
107extern int register_android_graphics_PixelFormat(JNIEnv* env);
108extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env);
109extern int register_android_view_Display(JNIEnv* env);
110extern int register_android_view_Surface(JNIEnv* env);
111extern int register_android_view_ViewRoot(JNIEnv* env);
112extern int register_android_database_CursorWindow(JNIEnv* env);
113extern int register_android_database_SQLiteDatabase(JNIEnv* env);
114extern int register_android_database_SQLiteDebug(JNIEnv* env);
115extern int register_android_database_SQLiteProgram(JNIEnv* env);
116extern int register_android_database_SQLiteQuery(JNIEnv* env);
117extern int register_android_database_SQLiteStatement(JNIEnv* env);
118extern int register_android_debug_JNITest(JNIEnv* env);
119extern int register_android_nio_utils(JNIEnv* env);
120extern int register_android_pim_EventRecurrence(JNIEnv* env);
121extern int register_android_text_format_Time(JNIEnv* env);
122extern int register_android_os_Debug(JNIEnv* env);
123extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
124extern int register_android_os_Power(JNIEnv *env);
125extern int register_android_os_StatFs(JNIEnv *env);
126extern int register_android_os_SystemProperties(JNIEnv *env);
127extern int register_android_os_Hardware(JNIEnv* env);
128extern int register_android_os_Exec(JNIEnv *env);
129extern int register_android_os_SystemClock(JNIEnv* env);
130extern int register_android_os_FileObserver(JNIEnv *env);
131extern int register_android_os_FileUtils(JNIEnv *env);
132extern int register_android_os_UEventObserver(JNIEnv* env);
133extern int register_android_os_MemoryFile(JNIEnv* env);
134extern int register_android_net_LocalSocketImpl(JNIEnv* env);
135extern int register_android_net_NetworkUtils(JNIEnv* env);
136extern int register_android_net_wifi_WifiManager(JNIEnv* env);
137extern int register_android_security_Md5MessageDigest(JNIEnv *env);
138extern int register_android_text_AndroidCharacter(JNIEnv *env);
139extern int register_android_text_KeyCharacterMap(JNIEnv *env);
140extern int register_android_opengl_classes(JNIEnv *env);
141extern int register_android_bluetooth_Database(JNIEnv* env);
142extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
143extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
144extern int register_android_bluetooth_RfcommSocket(JNIEnv *env);
145extern int register_android_bluetooth_ScoSocket(JNIEnv *env);
146extern int register_android_server_BluetoothDeviceService(JNIEnv* env);
147extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
148extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
149extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
150extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
151extern int register_android_util_Base64(JNIEnv* env);
152extern int register_android_location_GpsLocationProvider(JNIEnv* env);
153
154static AndroidRuntime* gCurRuntime = NULL;
155
156static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
157{
158 if (jniThrowException(env, exc, msg) != 0)
159 assert(false);
160}
161
162/*
163 * Code written in the Java Programming Language calls here from main().
164 */
165static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
166{
167 gCurRuntime->onStarted();
168}
169
170static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
171{
172 gCurRuntime->onZygoteInit();
173}
174
175static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
176{
177 return 1;
178}
179
180static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
181{
182}
183
184static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
185{
186 char* value = getenv("qwerty");
187 if (value != NULL && strcmp(value, "true") == 0) {
188 return 1;
189 }
190
191 return 0;
192}
193
194/*
195 * JNI registration.
196 */
197static JNINativeMethod gMethods[] = {
198 { "finishInit", "()V",
199 (void*) com_android_internal_os_RuntimeInit_finishInit },
200 { "zygoteInitNative", "()V",
201 (void*) com_android_internal_os_RuntimeInit_zygoteInit },
202 { "isComputerOn", "()I",
203 (void*) com_android_internal_os_RuntimeInit_isComputerOn },
204 { "turnComputerOn", "()V",
205 (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
206 { "getQwertyKeyboard", "()I",
207 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
208};
209
210int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
211{
212 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
213 gMethods, NELEM(gMethods));
214}
215
216// ----------------------------------------------------------------------
217
218/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
219
220
221AndroidRuntime::AndroidRuntime()
222{
The Android Open Source Projectc39a6e02009-03-11 12:11:56 -0700[diff] [blame^]223 SkGraphics::Init();
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800[diff] [blame]224 // this sets our preference for 16bit images during decode
225 // in case the src is opaque and 24bit
226 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
227
228 // Pre-allocate enough space to hold a fair number of options.
229 mOptions.setCapacity(20);
230
231 assert(gCurRuntime == NULL); // one per process
232 gCurRuntime = this;
233}
234
235AndroidRuntime::~AndroidRuntime()
236{
237 SkGraphics::Term();
238}
239
240/*
241 * Register native methods using JNI.
242 */
243/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
244 const char* className, const JNINativeMethod* gMethods, int numMethods)
245{
246 return jniRegisterNativeMethods(env, className, gMethods, numMethods);
247}
248
249/*
250 * Call a static Java Programming Language function that takes no arguments and returns void.
251 */
252status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
253{
254 JNIEnv* env;
255 jclass clazz;
256 jmethodID methodId;
257
258 env = getJNIEnv();
259 if (env == NULL)
260 return UNKNOWN_ERROR;
261
262 clazz = findClass(env, className);
263 if (clazz == NULL) {
264 LOGE("ERROR: could not find class '%s'\n", className);
265 return UNKNOWN_ERROR;
266 }
267 methodId = env->GetStaticMethodID(clazz, methodName, "()V");
268 if (methodId == NULL) {
269 LOGE("ERROR: could not find method %s.%s\n", className, methodName);
270 return UNKNOWN_ERROR;
271 }
272
273 env->CallStaticVoidMethod(clazz, methodId);
274
275 return NO_ERROR;
276}
277
278status_t AndroidRuntime::callMain(
279 const char* className, int argc, const char* const argv[])
280{
281 JNIEnv* env;
282 jclass clazz;
283 jmethodID methodId;
284
285 env = getJNIEnv();
286 if (env == NULL)
287 return UNKNOWN_ERROR;
288
289 clazz = findClass(env, className);
290 if (clazz == NULL) {
291 LOGE("ERROR: could not find class '%s'\n", className);
292 return UNKNOWN_ERROR;
293 }
294
295 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
296 if (methodId == NULL) {
297 LOGE("ERROR: could not find method %s.main(String[])\n", className);
298 return UNKNOWN_ERROR;
299 }
300
301 /*
302 * We want to call main() with a String array with our arguments in it.
303 * Create an array and populate it.
304 */
305 jclass stringClass;
306 jobjectArray strArray;
307
308 stringClass = env->FindClass("java/lang/String");
309 strArray = env->NewObjectArray(argc, stringClass, NULL);
310
311 for (int i = 0; i < argc; i++) {
312 jstring argStr = env->NewStringUTF(argv[i]);
313 env->SetObjectArrayElement(strArray, i, argStr);
314 }
315
316 env->CallStaticVoidMethod(clazz, methodId, strArray);
317 return NO_ERROR;
318}
319
320/*
321 * Find the named class.
322 */
323jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
324{
325 char* convName = NULL;
326
327 if (env->ExceptionCheck()) {
328 LOGE("ERROR: exception pending on entry to findClass()\n");
329 return NULL;
330 }
331
332 /*
333 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
334 * uses the dotted "binary name" format. We don't need to convert the
335 * name with the new approach.
336 */
337#if 0
338 /* (convName only created if necessary -- use className) */
339 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
340 if (*cp == '.') {
341 if (convName == NULL) {
342 convName = strdup(className);
343 cp = convName + (cp-className);
344 className = convName;
345 }
346 *cp = '/';
347 }
348 }
349#endif
350
351 /*
352 * This is a little awkward because the JNI FindClass call uses the
353 * class loader associated with the native method we're executing in.
354 * Because this native method is part of a "boot" class, JNI doesn't
355 * look for the class in CLASSPATH, which unfortunately is a likely
356 * location for it. (Had we issued the FindClass call before calling
357 * into the VM -- at which point there isn't a native method frame on
358 * the stack -- the VM would have checked CLASSPATH. We have to do
359 * this because we call into Java Programming Language code and
360 * bounce back out.)
361 *
362 * JNI lacks a "find class in a specific class loader" operation, so we
363 * have to do things the hard way.
364 */
365 jclass cls = NULL;
366 //cls = env->FindClass(className);
367
368 jclass javaLangClassLoader;
369 jmethodID getSystemClassLoader, loadClass;
370 jobject systemClassLoader;
371 jstring strClassName;
372
373 /* find the "system" class loader; none of this is expected to fail */
374 javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
375 assert(javaLangClassLoader != NULL);
376 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
377 "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
378 loadClass = env->GetMethodID(javaLangClassLoader,
379 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
380 assert(getSystemClassLoader != NULL && loadClass != NULL);
381 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
382 getSystemClassLoader);
383 assert(systemClassLoader != NULL);
384
385 /* create an object for the class name string; alloc could fail */
386 strClassName = env->NewStringUTF(className);
387 if (env->ExceptionCheck()) {
388 LOGE("ERROR: unable to convert '%s' to string\n", className);
389 goto bail;
390 }
391 LOGV("system class loader is %p, loading %p (%s)\n",
392 systemClassLoader, strClassName, className);
393
394 /* try to find the named class */
395 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
396 strClassName);
397 if (env->ExceptionCheck()) {
398 LOGE("ERROR: unable to load class '%s' from %p\n",
399 className, systemClassLoader);
400 cls = NULL;
401 goto bail;
402 }
403
404bail:
405 free(convName);
406 return cls;
407}
408
409/*
410 * The VM calls this through the "exit" hook.
411 */
412static void runtime_exit(int code)
413{
414 gCurRuntime->onExit(code);
415 exit(code);
416}
417
418/*
419 * The VM calls this through the "vfprintf" hook.
420 *
421 * We ignore "fp" and just write the results to the log file.
422 */
423static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
424{
425 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
426}
427
428
429/**
430 * Add VM arguments to the to-be-executed VM
431 * Stops at first non '-' argument (also stops at an argument of '--')
432 * Returns the number of args consumed
433 */
434int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
435{
436 int i;
437
438 for (i = 0; i<argc; i++) {
439 if (argv[i][0] != '-') {
440 return i;
441 }
442 if (argv[i][1] == '-' && argv[i][2] == 0) {
443 return i+1;
444 }
445
446 JavaVMOption opt;
447 memset(&opt, 0, sizeof(opt));
448 opt.optionString = (char*)argv[i];
449 mOptions.add(opt);
450 }
451 return i;
452}
453
454static int hasDir(const char* dir)
455{
456 struct stat s;
457 int res = stat(dir, &s);
458 if (res == 0) {
459 return S_ISDIR(s.st_mode);
460 }
461 return 0;
462}
463
464/*
465 * We just want failed write() calls to just return with an error.
466 */
467static void blockSigpipe()
468{
469 sigset_t mask;
470
471 sigemptyset(&mask);
472 sigaddset(&mask, SIGPIPE);
473 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
474 LOGW("WARNING: SIGPIPE not blocked\n");
475}
476
477/*
478 * Read the persistent locale.
479 */
480static void readLocale(char* language, char* region)
481{
482 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
483
484 property_get("persist.sys.language", propLang, "");
485 property_get("persist.sys.country", propRegn, "");
486 if (*propLang == 0 && *propRegn == 0) {
487 /* Set to ro properties, default is en_US */
488 property_get("ro.product.locale.language", propLang, "en");
489 property_get("ro.product.locale.region", propRegn, "US");
490 }
491 strncat(language, propLang, 2);
492 strncat(region, propRegn, 2);
493 //LOGD("language=%s region=%s\n", language, region);
494}
495
496void AndroidRuntime::start(const char* className, const bool startSystemServer)
497{
498 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
499
500 JNIEnv* env;
501 JavaVMInitArgs initArgs;
502 JavaVMOption opt;
503 char propBuf[PROPERTY_VALUE_MAX];
504 char stackTraceFileBuf[PROPERTY_VALUE_MAX];
505 char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
506 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
507 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
508 char* stackTraceFile = NULL;
509 char* slashClassName = NULL;
510 char* cp;
511 bool checkJni = false;
512 bool logStdio = false;
513 enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault;
514
515 blockSigpipe();
516
517 /*
518 * 'startSystemServer == true' means runtime is obslete and not run from
519 * init.rc anymore, so we print out the boot start event here.
520 */
521 if (startSystemServer) {
522 /* track our progress through the boot sequence */
523 const int LOG_BOOT_PROGRESS_START = 3000;
524 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
525 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
526 }
527
528 property_get("dalvik.vm.checkjni", propBuf, "");
529 if (strcmp(propBuf, "true") == 0) {
530 checkJni = true;
531 } else if (strcmp(propBuf, "false") != 0) {
532 /* property is neither true nor false; fall back on kernel parameter */
533 property_get("ro.kernel.android.checkjni", propBuf, "");
534 if (propBuf[0] == '1') {
535 checkJni = true;
536 }
537 }
538
539 property_get("dalvik.vm.execution-mode", propBuf, "");
540 if (strcmp(propBuf, "int:portable") == 0) {
541 executionMode = kEMIntPortable;
542 } else if (strcmp(propBuf, "int:fast") == 0) {
543 executionMode = kEMIntFast;
544 }
545
546 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
547
548 property_get("log.redirect-stdio", propBuf, "");
549 if (strcmp(propBuf, "true") == 0) {
550 logStdio = true;
551 }
552
553 strcpy(enableAssertBuf, "-ea:");
554 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
555
556 strcpy(jniOptsBuf, "-Xjniopts:");
557 property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
558
559 const char* rootDir = getenv("ANDROID_ROOT");
560 if (rootDir == NULL) {
561 rootDir = "/system";
562 if (!hasDir("/system")) {
563 LOG_FATAL("No root directory specified, and /android does not exist.");
564 return;
565 }
566 setenv("ANDROID_ROOT", rootDir, 1);
567 }
568
569 const char* kernelHack = getenv("LD_ASSUME_KERNEL");
570 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
571
572 /* route exit() to our handler */
573 opt.extraInfo = (void*) runtime_exit;
574 opt.optionString = "exit";
575 mOptions.add(opt);
576
577 /* route fprintf() to our handler */
578 opt.extraInfo = (void*) runtime_vfprintf;
579 opt.optionString = "vfprintf";
580 mOptions.add(opt);
581
582 opt.extraInfo = NULL;
583
584 /* enable verbose; standard options are { jni, gc, class } */
585 //options[curOpt++].optionString = "-verbose:jni";
586 opt.optionString = "-verbose:gc";
587 mOptions.add(opt);
588 //options[curOpt++].optionString = "-verbose:class";
589
590#ifdef CUSTOM_RUNTIME_HEAP_MAX
591#define __make_max_heap_opt(val) #val
592#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val)
593 opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX);
594#undef __make_max_heap_opt
595#undef _make_max_heap_opt
596#else
597 /* limit memory use to 16MB */
598 opt.optionString = "-Xmx16m";
599#endif
600 mOptions.add(opt);
601
602 /*
603 * Enable or disable dexopt features, such as bytecode verification and
604 * calculation of register maps for precise GC.
605 */
606 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
607 if (dexoptFlagsBuf[0] != '\0') {
608 const char* opc;
609 const char* val;
610
611 opc = strstr(dexoptFlagsBuf, "v="); /* verification */
612 if (opc != NULL) {
613 switch (*(opc+2)) {
614 case 'n': val = "-Xverify:none"; break;
615 case 'r': val = "-Xverify:remote"; break;
616 case 'a': val = "-Xverify:all"; break;
617 default: val = NULL; break;
618 }
619
620 if (val != NULL) {
621 opt.optionString = val;
622 mOptions.add(opt);
623 }
624 }
625
626 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */
627 if (opc != NULL) {
628 switch (*(opc+2)) {
629 case 'n': val = "-Xdexopt:none"; break;
630 case 'v': val = "-Xdexopt:verified"; break;
631 case 'a': val = "-Xdexopt:all"; break;
632 default: val = NULL; break;
633 }
634
635 if (val != NULL) {
636 opt.optionString = val;
637 mOptions.add(opt);
638 }
639 }
640
641 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */
642 if (opc != NULL) {
643 opt.optionString = "-Xgenregmap";
644 mOptions.add(opt);
645 }
646 }
647
648 /* enable debugging; set suspend=y to pause during VM init */
649#ifdef HAVE_ANDROID_OS
650 /* use android ADB transport */
651 opt.optionString =
652 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
653#else
654 /* use TCP socket; address=0 means start at port 8000 and probe up */
655 LOGI("Using TCP socket for JDWP\n");
656 opt.optionString =
657 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
658#endif
659 mOptions.add(opt);
660
661 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
662 property_get("dalvik.vm.deadlock-predict", propBuf, "");
663 if (strlen(propBuf) > 0) {
664 strcpy(enableDPBuf, "-Xdeadlockpredict:");
665 strcat(enableDPBuf, propBuf);
666 opt.optionString = enableDPBuf;
667 mOptions.add(opt);
668 }
669
670 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
671 if (checkJni) {
672 /* extended JNI checking */
673 opt.optionString = "-Xcheck:jni";
674 mOptions.add(opt);
675
676 /* set a cap on JNI global references */
677 opt.optionString = "-Xjnigreflimit:2000";
678 mOptions.add(opt);
679
680 /* with -Xcheck:jni, this provides a JNI function call trace */
681 //opt.optionString = "-verbose:jni";
682 //mOptions.add(opt);
683 }
684 if (executionMode == kEMIntPortable) {
685 opt.optionString = "-Xint:portable";
686 mOptions.add(opt);
687 } else if (executionMode == kEMIntFast) {
688 opt.optionString = "-Xint:fast";
689 mOptions.add(opt);
690 }
691 if (logStdio) {
692 /* convert stdout/stderr to log messages */
693 opt.optionString = "-Xlog-stdio";
694 mOptions.add(opt);
695 }
696
697 if (enableAssertBuf[4] != '\0') {
698 /* accept "all" to mean "all classes and packages" */
699 if (strcmp(enableAssertBuf+4, "all") == 0)
700 enableAssertBuf[3] = '\0';
701 LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
702 opt.optionString = enableAssertBuf;
703 mOptions.add(opt);
704 } else {
705 LOGV("Assertions disabled\n");
706 }
707
708 if (jniOptsBuf[10] != '\0') {
709 LOGI("JNI options: '%s'\n", jniOptsBuf);
710 opt.optionString = jniOptsBuf;
711 mOptions.add(opt);
712 }
713
714 if (stackTraceFileBuf[0] != '\0') {
715 static const char* stfOptName = "-Xstacktracefile:";
716
717 stackTraceFile = (char*) malloc(strlen(stfOptName) +
718 strlen(stackTraceFileBuf) +1);
719 strcpy(stackTraceFile, stfOptName);
720 strcat(stackTraceFile, stackTraceFileBuf);
721 opt.optionString = stackTraceFile;
722 mOptions.add(opt);
723 }
724
725 /* Set the properties for locale */
726 {
727 char langOption[sizeof("-Duser.language=") + 3];
728 char regionOption[sizeof("-Duser.region=") + 3];
729 strcpy(langOption, "-Duser.language=");
730 strcpy(regionOption, "-Duser.region=");
731 readLocale(langOption, regionOption);
732 opt.extraInfo = NULL;
733 opt.optionString = langOption;
734 mOptions.add(opt);
735 opt.optionString = regionOption;
736 mOptions.add(opt);
737 }
738
739 /*
740 * We don't have /tmp on the device, but we often have an SD card. Apps
741 * shouldn't use this, but some test suites might want to exercise it.
742 */
743 opt.optionString = "-Djava.io.tmpdir=/sdcard";
744 mOptions.add(opt);
745
746 initArgs.version = JNI_VERSION_1_4;
747 initArgs.options = mOptions.editArray();
748 initArgs.nOptions = mOptions.size();
749 initArgs.ignoreUnrecognized = JNI_FALSE;
750
751 /*
752 * Initialize the VM.
753 *
754 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
755 * If this call succeeds, the VM is ready, and we can start issuing
756 * JNI calls.
757 */
758 if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) {
759 LOGE("JNI_CreateJavaVM failed\n");
760 goto bail;
761 }
762
763 /*
764 * Register android functions.
765 */
766 if (startReg(env) < 0) {
767 LOGE("Unable to register all android natives\n");
768 goto bail;
769 }
770
771 /*
772 * We want to call main() with a String array with arguments in it.
773 * At present we only have one argument, the class name. Create an
774 * array to hold it.
775 */
776 jclass stringClass;
777 jobjectArray strArray;
778 jstring classNameStr;
779 jstring startSystemServerStr;
780
781 stringClass = env->FindClass("java/lang/String");
782 assert(stringClass != NULL);
783 strArray = env->NewObjectArray(2, stringClass, NULL);
784 assert(strArray != NULL);
785 classNameStr = env->NewStringUTF(className);
786 assert(classNameStr != NULL);
787 env->SetObjectArrayElement(strArray, 0, classNameStr);
788 startSystemServerStr = env->NewStringUTF(startSystemServer ?
789 "true" : "false");
790 env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
791
792 /*
793 * Start VM. This thread becomes the main thread of the VM, and will
794 * not return until the VM exits.
795 */
796 jclass startClass;
797 jmethodID startMeth;
798
799 slashClassName = strdup(className);
800 for (cp = slashClassName; *cp != '\0'; cp++)
801 if (*cp == '.')
802 *cp = '/';
803
804 startClass = env->FindClass(slashClassName);
805 if (startClass == NULL) {
806 LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
807 /* keep going */
808 } else {
809 startMeth = env->GetStaticMethodID(startClass, "main",
810 "([Ljava/lang/String;)V");
811 if (startMeth == NULL) {
812 LOGE("JavaVM unable to find main() in '%s'\n", className);
813 /* keep going */
814 } else {
815 env->CallStaticVoidMethod(startClass, startMeth, strArray);
816
817#if 0
818 if (env->ExceptionCheck())
819 threadExitUncaughtException(env);
820#endif
821 }
822 }
823
824 LOGD("Shutting down VM\n");
825 if (mJavaVM->DetachCurrentThread() != JNI_OK)
826 LOGW("Warning: unable to detach main thread\n");
827 if (mJavaVM->DestroyJavaVM() != 0)
828 LOGW("Warning: VM did not shut down cleanly\n");
829
830bail:
831 free(slashClassName);
832 free(stackTraceFile);
833}
834
835void AndroidRuntime::start()
836{
837 start("com.android.internal.os.RuntimeInit",
838 false /* Don't start the system server */);
839}
840
841void AndroidRuntime::onExit(int code)
842{
843 LOGI("AndroidRuntime onExit calling exit(%d)", code);
844 exit(code);
845}
846
847/*
848 * Get the JNIEnv pointer for this thread.
849 *
850 * Returns NULL if the slot wasn't allocated or populated.
851 */
852/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
853{
854 JNIEnv* env;
855 JavaVM* vm = AndroidRuntime::getJavaVM();
856 assert(vm != NULL);
857
858 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
859 return NULL;
860 return env;
861}
862
863/*
864 * Makes the current thread visible to the VM.
865 *
866 * The JNIEnv pointer returned is only valid for the current thread, and
867 * thus must be tucked into thread-local storage.
868 */
869static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
870{
871 JavaVMAttachArgs args;
872 JavaVM* vm;
873 jint result;
874
875 vm = AndroidRuntime::getJavaVM();
876 assert(vm != NULL);
877
878 args.version = JNI_VERSION_1_4;
879 args.name = (char*) threadName;
880 args.group = NULL;
881
882 result = vm->AttachCurrentThread(pEnv, (void*) &args);
883 if (result != JNI_OK)
884 LOGE("ERROR: thread attach failed\n");
885
886 return result;
887}
888
889/*
890 * Detach the current thread from the set visible to the VM.
891 */
892static int javaDetachThread(void)
893{
894 JavaVM* vm;
895 jint result;
896
897 vm = AndroidRuntime::getJavaVM();
898 assert(vm != NULL);
899
900 result = vm->DetachCurrentThread();
901 if (result != JNI_OK)
902 LOGE("ERROR: thread detach failed\n");
903 return result;
904}
905
906/*
907 * When starting a native thread that will be visible from the VM, we
908 * bounce through this to get the right attach/detach action.
909 * Note that this function calls free(args)
910 */
911/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
912 void* start = ((void**)args)[0];
913 void* userData = ((void **)args)[1];
914 char* name = (char*) ((void **)args)[2]; // we own this storage
915 free(args);
916 JNIEnv* env;
917 int result;
918
919 /* hook us into the VM */
920 if (javaAttachThread(name, &env) != JNI_OK)
921 return -1;
922
923 /* start the thread running */
924 result = (*(android_thread_func_t)start)(userData);
925
926 /* unhook us */
927 javaDetachThread();
928 free(name);
929
930 return result;
931}
932
933/*
934 * This is invoked from androidCreateThreadEtc() via the callback
935 * set with androidSetCreateThreadFunc().
936 *
937 * We need to create the new thread in such a way that it gets hooked
938 * into the VM before it really starts executing.
939 */
940/*static*/ int AndroidRuntime::javaCreateThreadEtc(
941 android_thread_func_t entryFunction,
942 void* userData,
943 const char* threadName,
944 int32_t threadPriority,
945 size_t threadStackSize,
946 android_thread_id_t* threadId)
947{
948 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free
949 int result;
950
951 assert(threadName != NULL);
952
953 args[0] = (void*) entryFunction;
954 args[1] = userData;
955 args[2] = (void*) strdup(threadName); // javaThreadShell must free
956
957 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
958 threadName, threadPriority, threadStackSize, threadId);
959 return result;
960}
961
962/*
963 * Create a thread that is visible from the VM.
964 *
965 * This is called from elsewhere in the library.
966 */
967/*static*/ void AndroidRuntime::createJavaThread(const char* name,
968 void (*start)(void *), void* arg)
969{
970 javaCreateThreadEtc((android_thread_func_t) start, arg, name,
971 ANDROID_PRIORITY_DEFAULT, 0, NULL);
972}
973
974#if 0
975static void quickTest(void* arg)
976{
977 const char* str = (const char*) arg;
978
979 printf("In quickTest: %s\n", str);
980}
981#endif
982
983#ifdef NDEBUG
984 #define REG_JNI(name) { name }
985 struct RegJNIRec {
986 int (*mProc)(JNIEnv*);
987 };
988#else
989 #define REG_JNI(name) { name, #name }
990 struct RegJNIRec {
991 int (*mProc)(JNIEnv*);
992 const char* mName;
993 };
994#endif
995
996typedef void (*RegJAMProc)();
997
998static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
999{
1000 for (size_t i = 0; i < count; i++) {
1001 if (array[i].mProc(env) < 0) {
1002#ifndef NDEBUG
1003 LOGD("----------!!! %s failed to load\n", array[i].mName);
1004#endif
1005 return -1;
1006 }
1007 }
1008 return 0;
1009}
1010
1011static void register_jam_procs(const RegJAMProc array[], size_t count)
1012{
1013 for (size_t i = 0; i < count; i++) {
1014 array[i]();
1015 }
1016}
1017
1018static const RegJNIRec gRegJNI[] = {
1019 REG_JNI(register_android_debug_JNITest),
1020 REG_JNI(register_com_android_internal_os_RuntimeInit),
1021 REG_JNI(register_android_os_SystemClock),
1022 REG_JNI(register_android_util_EventLog),
1023 REG_JNI(register_android_util_Log),
1024 REG_JNI(register_android_util_FloatMath),
1025 REG_JNI(register_android_text_format_Time),
1026 REG_JNI(register_android_pim_EventRecurrence),
1027 REG_JNI(register_android_content_AssetManager),
1028 REG_JNI(register_android_content_StringBlock),
1029 REG_JNI(register_android_content_XmlBlock),
The Android Open Source Projectb2a3dd82009-03-09 11:52:12 -0700[diff] [blame]1030 REG_JNI(register_android_emoji_EmojiFactory),
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800[diff] [blame]1031 REG_JNI(register_android_security_Md5MessageDigest),
1032 REG_JNI(register_android_text_AndroidCharacter),
1033 REG_JNI(register_android_text_KeyCharacterMap),
1034 REG_JNI(register_android_os_Process),
1035 REG_JNI(register_android_os_Binder),
1036 REG_JNI(register_android_os_Hardware),
1037 REG_JNI(register_android_view_Display),
1038 REG_JNI(register_android_nio_utils),
1039 REG_JNI(register_android_graphics_PixelFormat),
1040 REG_JNI(register_android_graphics_Graphics),
1041 REG_JNI(register_android_view_Surface),
1042 REG_JNI(register_android_view_ViewRoot),
1043 REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1044 REG_JNI(register_com_google_android_gles_jni_GLImpl),
1045
1046 REG_JNI(register_android_graphics_Bitmap),
1047 REG_JNI(register_android_graphics_BitmapFactory),
1048 REG_JNI(register_android_graphics_Camera),
1049 REG_JNI(register_android_graphics_Canvas),
1050 REG_JNI(register_android_graphics_ColorFilter),
1051 REG_JNI(register_android_graphics_DrawFilter),
1052 REG_JNI(register_android_graphics_Interpolator),
1053 REG_JNI(register_android_graphics_LayerRasterizer),
1054 REG_JNI(register_android_graphics_MaskFilter),
1055 REG_JNI(register_android_graphics_Matrix),
1056 REG_JNI(register_android_graphics_Movie),
1057 REG_JNI(register_android_graphics_NinePatch),
1058 REG_JNI(register_android_graphics_Paint),
1059 REG_JNI(register_android_graphics_Path),
1060 REG_JNI(register_android_graphics_PathMeasure),
1061 REG_JNI(register_android_graphics_PathEffect),
1062 REG_JNI(register_android_graphics_Picture),
1063 REG_JNI(register_android_graphics_PorterDuff),
1064 REG_JNI(register_android_graphics_Rasterizer),
1065 REG_JNI(register_android_graphics_Region),
1066 REG_JNI(register_android_graphics_Shader),
1067 REG_JNI(register_android_graphics_Typeface),
1068 REG_JNI(register_android_graphics_Xfermode),
1069 REG_JNI(register_com_android_internal_graphics_NativeUtils),
1070
1071 REG_JNI(register_android_database_CursorWindow),
1072 REG_JNI(register_android_database_SQLiteDatabase),
1073 REG_JNI(register_android_database_SQLiteDebug),
1074 REG_JNI(register_android_database_SQLiteProgram),
1075 REG_JNI(register_android_database_SQLiteQuery),
1076 REG_JNI(register_android_database_SQLiteStatement),
1077 REG_JNI(register_android_os_Debug),
1078 REG_JNI(register_android_os_Exec),
1079 REG_JNI(register_android_os_FileObserver),
1080 REG_JNI(register_android_os_FileUtils),
1081 REG_JNI(register_android_os_ParcelFileDescriptor),
1082 REG_JNI(register_android_os_Power),
1083 REG_JNI(register_android_os_StatFs),
1084 REG_JNI(register_android_os_SystemProperties),
1085 REG_JNI(register_android_os_UEventObserver),
1086 REG_JNI(register_android_net_LocalSocketImpl),
1087 REG_JNI(register_android_net_NetworkUtils),
1088 REG_JNI(register_android_net_wifi_WifiManager),
1089 REG_JNI(register_android_os_MemoryFile),
1090 REG_JNI(register_com_android_internal_os_ZygoteInit),
1091 REG_JNI(register_android_hardware_Camera),
1092 REG_JNI(register_android_hardware_SensorManager),
1093 REG_JNI(register_android_media_AudioRecord),
1094 REG_JNI(register_android_media_AudioSystem),
1095 REG_JNI(register_android_media_AudioTrack),
1096 REG_JNI(register_android_media_JetPlayer),
1097 REG_JNI(register_android_media_ToneGenerator),
1098
1099 REG_JNI(register_android_opengl_classes),
1100 REG_JNI(register_android_bluetooth_Database),
1101 REG_JNI(register_android_bluetooth_HeadsetBase),
1102 REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1103 REG_JNI(register_android_bluetooth_RfcommSocket),
1104 REG_JNI(register_android_bluetooth_ScoSocket),
1105 REG_JNI(register_android_server_BluetoothDeviceService),
1106 REG_JNI(register_android_server_BluetoothEventLoop),
1107 REG_JNI(register_android_server_BluetoothA2dpService),
1108 REG_JNI(register_android_message_digest_sha1),
1109 REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1110 REG_JNI(register_android_util_Base64),
1111 REG_JNI(register_android_location_GpsLocationProvider),
1112};
1113
1114/*
1115 * Register android native functions with the VM.
1116 */
1117/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1118{
1119 /*
1120 * This hook causes all future threads created in this process to be
1121 * attached to the JavaVM. (This needs to go away in favor of JNI
1122 * Attach calls.)
1123 */
1124 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1125
1126 LOGD("--- registering native functions ---\n");
1127
1128 /*
1129 * Every "register" function calls one or more things that return
1130 * a local reference (e.g. FindClass). Because we haven't really
1131 * started the VM yet, they're all getting stored in the base frame
1132 * and never released. Use Push/Pop to manage the storage.
1133 */
1134 env->PushLocalFrame(200);
1135
1136 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1137 env->PopLocalFrame(NULL);
1138 return -1;
1139 }
1140 env->PopLocalFrame(NULL);
1141
1142 //createJavaThread("fubar", quickTest, (void*) "hello");
1143
1144 return 0;
1145}
1146
1147AndroidRuntime* AndroidRuntime::getRuntime()
1148{
1149 return gCurRuntime;
1150}
1151
1152/**
1153 * Used by WithFramework to register native functions.
1154 */
1155extern "C"
1156jint Java_com_android_internal_util_WithFramework_registerNatives(
1157 JNIEnv* env, jclass clazz) {
1158 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1159}
1160
1161/**
1162 * Used by LoadClass to register native functions.
1163 */
1164extern "C"
1165jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1166 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1167}
1168
1169} // namespace android