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|
/* //device/libs/android_runtime/AndroidRuntime.cpp
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#define LOG_TAG "AndroidRuntime"
//#define LOG_NDEBUG 0
#include <android_runtime/AndroidRuntime.h>
#include <binder/IBinder.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <utils/Log.h>
#include <utils/misc.h>
#include <binder/Parcel.h>
#include <utils/StringArray.h>
#include <utils/threads.h>
#include <cutils/properties.h>
#include <SkGraphics.h>
#include <SkImageDecoder.h>
#include <SkImageRef_GlobalPool.h>
#include "jni.h"
#include "JNIHelp.h"
#include "android_util_Binder.h"
#include <stdio.h>
#include <signal.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <signal.h>
#include <dirent.h>
#include <assert.h>
using namespace android;
extern void register_BindTest();
extern int register_android_os_Binder(JNIEnv* env);
extern int register_android_os_Process(JNIEnv* env);
extern int register_android_graphics_Bitmap(JNIEnv*);
extern int register_android_graphics_BitmapFactory(JNIEnv*);
extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
extern int register_android_graphics_Camera(JNIEnv* env);
extern int register_android_graphics_Graphics(JNIEnv* env);
extern int register_android_graphics_Interpolator(JNIEnv* env);
extern int register_android_graphics_LayerRasterizer(JNIEnv*);
extern int register_android_graphics_MaskFilter(JNIEnv* env);
extern int register_android_graphics_Movie(JNIEnv* env);
extern int register_android_graphics_NinePatch(JNIEnv*);
extern int register_android_graphics_PathEffect(JNIEnv* env);
extern int register_android_graphics_Shader(JNIEnv* env);
extern int register_android_graphics_Typeface(JNIEnv* env);
extern int register_android_graphics_YuvImage(JNIEnv* env);
extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
extern int register_android_opengl_jni_GLES10(JNIEnv* env);
extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
extern int register_android_opengl_jni_GLES11(JNIEnv* env);
extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
extern int register_android_opengl_jni_GLES20(JNIEnv* env);
extern int register_android_hardware_Camera(JNIEnv *env);
extern int register_android_hardware_SensorManager(JNIEnv *env);
extern int register_android_hardware_UsbDevice(JNIEnv *env);
extern int register_android_hardware_UsbRequest(JNIEnv *env);
extern int register_android_media_AudioRecord(JNIEnv *env);
extern int register_android_media_AudioSystem(JNIEnv *env);
extern int register_android_media_AudioTrack(JNIEnv *env);
extern int register_android_media_JetPlayer(JNIEnv *env);
extern int register_android_media_ToneGenerator(JNIEnv *env);
extern int register_android_util_FloatMath(JNIEnv* env);
namespace android {
/*
* JNI-based registration functions. Note these are properly contained in
* namespace android.
*/
extern int register_android_content_AssetManager(JNIEnv* env);
extern int register_android_util_EventLog(JNIEnv* env);
extern int register_android_util_Log(JNIEnv* env);
extern int register_android_content_StringBlock(JNIEnv* env);
extern int register_android_content_XmlBlock(JNIEnv* env);
extern int register_android_emoji_EmojiFactory(JNIEnv* env);
extern int register_android_graphics_Canvas(JNIEnv* env);
extern int register_android_graphics_ColorFilter(JNIEnv* env);
extern int register_android_graphics_DrawFilter(JNIEnv* env);
extern int register_android_graphics_Matrix(JNIEnv* env);
extern int register_android_graphics_Paint(JNIEnv* env);
extern int register_android_graphics_Path(JNIEnv* env);
extern int register_android_graphics_PathMeasure(JNIEnv* env);
extern int register_android_graphics_Picture(JNIEnv*);
extern int register_android_graphics_PorterDuff(JNIEnv* env);
extern int register_android_graphics_Rasterizer(JNIEnv* env);
extern int register_android_graphics_Region(JNIEnv* env);
extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
extern int register_android_graphics_Xfermode(JNIEnv* env);
extern int register_android_graphics_PixelFormat(JNIEnv* env);
extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env);
extern int register_android_view_Display(JNIEnv* env);
extern int register_android_view_GLES20Canvas(JNIEnv* env);
extern int register_android_view_Surface(JNIEnv* env);
extern int register_android_view_ViewRoot(JNIEnv* env);
extern int register_android_database_CursorWindow(JNIEnv* env);
extern int register_android_database_SQLiteCompiledSql(JNIEnv* env);
extern int register_android_database_SQLiteDatabase(JNIEnv* env);
extern int register_android_database_SQLiteDebug(JNIEnv* env);
extern int register_android_database_SQLiteProgram(JNIEnv* env);
extern int register_android_database_SQLiteQuery(JNIEnv* env);
extern int register_android_database_SQLiteStatement(JNIEnv* env);
extern int register_android_debug_JNITest(JNIEnv* env);
extern int register_android_nio_utils(JNIEnv* env);
extern int register_android_nfc_NdefMessage(JNIEnv *env);
extern int register_android_nfc_NdefRecord(JNIEnv *env);
extern int register_android_pim_EventRecurrence(JNIEnv* env);
extern int register_android_text_format_Time(JNIEnv* env);
extern int register_android_os_Debug(JNIEnv* env);
extern int register_android_os_MessageQueue(JNIEnv* env);
extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
extern int register_android_os_Power(JNIEnv *env);
extern int register_android_os_StatFs(JNIEnv *env);
extern int register_android_os_SystemProperties(JNIEnv *env);
extern int register_android_os_SystemClock(JNIEnv* env);
extern int register_android_os_FileObserver(JNIEnv *env);
extern int register_android_os_FileUtils(JNIEnv *env);
extern int register_android_os_UEventObserver(JNIEnv* env);
extern int register_android_os_MemoryFile(JNIEnv* env);
extern int register_android_net_LocalSocketImpl(JNIEnv* env);
extern int register_android_net_NetworkUtils(JNIEnv* env);
extern int register_android_net_TrafficStats(JNIEnv* env);
extern int register_android_net_wifi_WifiManager(JNIEnv* env);
extern int register_android_text_AndroidCharacter(JNIEnv *env);
extern int register_android_text_AndroidBidi(JNIEnv *env);
extern int register_android_text_KeyCharacterMap(JNIEnv *env);
extern int register_android_opengl_classes(JNIEnv *env);
extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env);
extern int register_android_server_BluetoothService(JNIEnv* env);
extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
extern int register_android_server_Watchdog(JNIEnv* env);
extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
extern int register_android_backup_BackupDataInput(JNIEnv *env);
extern int register_android_backup_BackupDataOutput(JNIEnv *env);
extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
extern int register_android_app_NativeActivity(JNIEnv *env);
extern int register_android_view_InputChannel(JNIEnv* env);
extern int register_android_view_InputQueue(JNIEnv* env);
extern int register_android_view_KeyEvent(JNIEnv* env);
extern int register_android_view_MotionEvent(JNIEnv* env);
extern int register_android_content_res_ObbScanner(JNIEnv* env);
extern int register_android_content_res_Configuration(JNIEnv* env);
extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
static AndroidRuntime* gCurRuntime = NULL;
static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
{
if (jniThrowException(env, exc, msg) != 0)
assert(false);
}
/*
* Code written in the Java Programming Language calls here from main().
*/
static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
{
gCurRuntime->onStarted();
}
static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
{
gCurRuntime->onZygoteInit();
}
static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
{
return 1;
}
static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
{
}
static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
{
char* value = getenv("qwerty");
if (value != NULL && strcmp(value, "true") == 0) {
return 1;
}
return 0;
}
/*
* JNI registration.
*/
static JNINativeMethod gMethods[] = {
{ "finishInit", "()V",
(void*) com_android_internal_os_RuntimeInit_finishInit },
{ "zygoteInitNative", "()V",
(void*) com_android_internal_os_RuntimeInit_zygoteInit },
{ "isComputerOn", "()I",
(void*) com_android_internal_os_RuntimeInit_isComputerOn },
{ "turnComputerOn", "()V",
(void*) com_android_internal_os_RuntimeInit_turnComputerOn },
{ "getQwertyKeyboard", "()I",
(void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
};
int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
{
return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
gMethods, NELEM(gMethods));
}
// ----------------------------------------------------------------------
/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
AndroidRuntime::AndroidRuntime()
{
SkGraphics::Init();
// this sets our preference for 16bit images during decode
// in case the src is opaque and 24bit
SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
// This cache is shared between browser native images, and java "purgeable"
// bitmaps. This globalpool is for images that do not either use the java
// heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
// java call site.
SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
// There is also a global font cache, but its budget is specified in code
// see SkFontHost_android.cpp
// Pre-allocate enough space to hold a fair number of options.
mOptions.setCapacity(20);
assert(gCurRuntime == NULL); // one per process
gCurRuntime = this;
}
AndroidRuntime::~AndroidRuntime()
{
SkGraphics::Term();
}
/*
* Register native methods using JNI.
*/
/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
const char* className, const JNINativeMethod* gMethods, int numMethods)
{
return jniRegisterNativeMethods(env, className, gMethods, numMethods);
}
/*
* Call a static Java Programming Language function that takes no arguments and returns void.
*/
status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
{
JNIEnv* env;
jclass clazz;
jmethodID methodId;
env = getJNIEnv();
if (env == NULL)
return UNKNOWN_ERROR;
clazz = findClass(env, className);
if (clazz == NULL) {
LOGE("ERROR: could not find class '%s'\n", className);
return UNKNOWN_ERROR;
}
methodId = env->GetStaticMethodID(clazz, methodName, "()V");
if (methodId == NULL) {
LOGE("ERROR: could not find method %s.%s\n", className, methodName);
return UNKNOWN_ERROR;
}
env->CallStaticVoidMethod(clazz, methodId);
return NO_ERROR;
}
status_t AndroidRuntime::callMain(
const char* className, int argc, const char* const argv[])
{
JNIEnv* env;
jclass clazz;
jmethodID methodId;
LOGD("Calling main entry %s", className);
env = getJNIEnv();
if (env == NULL)
return UNKNOWN_ERROR;
clazz = findClass(env, className);
if (clazz == NULL) {
LOGE("ERROR: could not find class '%s'\n", className);
return UNKNOWN_ERROR;
}
methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
if (methodId == NULL) {
LOGE("ERROR: could not find method %s.main(String[])\n", className);
return UNKNOWN_ERROR;
}
/*
* We want to call main() with a String array with our arguments in it.
* Create an array and populate it.
*/
jclass stringClass;
jobjectArray strArray;
stringClass = env->FindClass("java/lang/String");
strArray = env->NewObjectArray(argc, stringClass, NULL);
for (int i = 0; i < argc; i++) {
jstring argStr = env->NewStringUTF(argv[i]);
env->SetObjectArrayElement(strArray, i, argStr);
}
env->CallStaticVoidMethod(clazz, methodId, strArray);
return NO_ERROR;
}
/*
* Find the named class.
*/
jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
{
if (env->ExceptionCheck()) {
LOGE("ERROR: exception pending on entry to findClass()");
return NULL;
}
/*
* This is a little awkward because the JNI FindClass call uses the
* class loader associated with the native method we're executing in.
* Because this native method is part of a "boot" class, JNI doesn't
* look for the class in CLASSPATH, which unfortunately is a likely
* location for it. (Had we issued the FindClass call before calling
* into the VM -- at which point there isn't a native method frame on
* the stack -- the VM would have checked CLASSPATH. We have to do
* this because we call into Java Programming Language code and
* bounce back out.)
*
* JNI lacks a "find class in a specific class loader" operation, so we
* have to do things the hard way.
*/
jclass cls = NULL;
jclass javaLangClassLoader;
jmethodID getSystemClassLoader, loadClass;
jobject systemClassLoader;
jstring strClassName;
/* find the "system" class loader; none of this is expected to fail */
javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
assert(javaLangClassLoader != NULL);
getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
"getSystemClassLoader", "()Ljava/lang/ClassLoader;");
loadClass = env->GetMethodID(javaLangClassLoader,
"loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
assert(getSystemClassLoader != NULL && loadClass != NULL);
systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
getSystemClassLoader);
assert(systemClassLoader != NULL);
/* create an object for the class name string; alloc could fail */
strClassName = env->NewStringUTF(className);
if (env->ExceptionCheck()) {
LOGE("ERROR: unable to convert '%s' to string", className);
return NULL;
}
LOGV("system class loader is %p, loading %p (%s)",
systemClassLoader, strClassName, className);
/* try to find the named class */
cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
strClassName);
if (env->ExceptionCheck()) {
LOGE("ERROR: unable to load class '%s' from %p",
className, systemClassLoader);
return NULL;
}
return cls;
}
/*
* The VM calls this through the "exit" hook.
*/
static void runtime_exit(int code)
{
gCurRuntime->onExit(code);
exit(code);
}
/*
* The VM calls this through the "vfprintf" hook.
*
* We ignore "fp" and just write the results to the log file.
*/
static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
{
LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
}
/**
* The VM calls this when mutex contention debugging is enabled to
* determine whether or not the blocked thread was a "sensitive thread"
* for user responsiveness/smoothess.
*
* Our policy for this is whether or not we're tracing any StrictMode
* events on this thread (which we might've inherited via Binder calls
* into us)
*/
static bool runtime_isSensitiveThread() {
IPCThreadState* state = IPCThreadState::selfOrNull();
return state && state->getStrictModePolicy() != 0;
}
/**
* Add VM arguments to the to-be-executed VM
* Stops at first non '-' argument (also stops at an argument of '--')
* Returns the number of args consumed
*/
int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
{
int i;
for (i = 0; i<argc; i++) {
if (argv[i][0] != '-') {
return i;
}
if (argv[i][1] == '-' && argv[i][2] == 0) {
return i+1;
}
JavaVMOption opt;
memset(&opt, 0, sizeof(opt));
opt.optionString = (char*)argv[i];
mOptions.add(opt);
}
return i;
}
static int hasDir(const char* dir)
{
struct stat s;
int res = stat(dir, &s);
if (res == 0) {
return S_ISDIR(s.st_mode);
}
return 0;
}
/*
* We just want failed write() calls to just return with an error.
*/
static void blockSigpipe()
{
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGPIPE);
if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
LOGW("WARNING: SIGPIPE not blocked\n");
}
/*
* Read the persistent locale.
*/
static void readLocale(char* language, char* region)
{
char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
property_get("persist.sys.language", propLang, "");
property_get("persist.sys.country", propRegn, "");
if (*propLang == 0 && *propRegn == 0) {
/* Set to ro properties, default is en_US */
property_get("ro.product.locale.language", propLang, "en");
property_get("ro.product.locale.region", propRegn, "US");
}
strncat(language, propLang, 2);
strncat(region, propRegn, 2);
//LOGD("language=%s region=%s\n", language, region);
}
/*
* Parse a property containing space-separated options that should be
* passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
*
* This will cut up "extraOptsBuf" as we chop it into individual options.
*
* Adds the strings, if any, to mOptions.
*/
void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
{
JavaVMOption opt;
char* start;
char* end;
memset(&opt, 0, sizeof(opt));
start = extraOptsBuf;
while (*start != '\0') {
while (*start == ' ') /* skip leading whitespace */
start++;
if (*start == '\0') /* was trailing ws, bail */
break;
end = start+1;
while (*end != ' ' && *end != '\0') /* find end of token */
end++;
if (*end == ' ')
*end++ = '\0'; /* mark end, advance to indicate more */
opt.optionString = start;
mOptions.add(opt);
start = end;
}
}
/*
* Start the Dalvik Virtual Machine.
*
* Various arguments, most determined by system properties, are passed in.
* The "mOptions" vector is updated.
*
* Returns 0 on success.
*/
int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
{
int result = -1;
JavaVMInitArgs initArgs;
JavaVMOption opt;
char propBuf[PROPERTY_VALUE_MAX];
char stackTraceFileBuf[PROPERTY_VALUE_MAX];
char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
char extraOptsBuf[PROPERTY_VALUE_MAX];
char* stackTraceFile = NULL;
bool checkJni = false;
bool checkDexSum = false;
bool logStdio = false;
enum {
kEMDefault,
kEMIntPortable,
kEMIntFast,
#if defined(WITH_JIT)
kEMJitCompiler,
#endif
} executionMode = kEMDefault;
property_get("dalvik.vm.checkjni", propBuf, "");
if (strcmp(propBuf, "true") == 0) {
checkJni = true;
} else if (strcmp(propBuf, "false") != 0) {
/* property is neither true nor false; fall back on kernel parameter */
property_get("ro.kernel.android.checkjni", propBuf, "");
if (propBuf[0] == '1') {
checkJni = true;
}
}
property_get("dalvik.vm.execution-mode", propBuf, "");
if (strcmp(propBuf, "int:portable") == 0) {
executionMode = kEMIntPortable;
} else if (strcmp(propBuf, "int:fast") == 0) {
executionMode = kEMIntFast;
#if defined(WITH_JIT)
} else if (strcmp(propBuf, "int:jit") == 0) {
executionMode = kEMJitCompiler;
#endif
}
property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
property_get("dalvik.vm.check-dex-sum", propBuf, "");
if (strcmp(propBuf, "true") == 0) {
checkDexSum = true;
}
property_get("log.redirect-stdio", propBuf, "");
if (strcmp(propBuf, "true") == 0) {
logStdio = true;
}
strcpy(enableAssertBuf, "-ea:");
property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
strcpy(jniOptsBuf, "-Xjniopts:");
property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
/* route exit() to our handler */
opt.extraInfo = (void*) runtime_exit;
opt.optionString = "exit";
mOptions.add(opt);
/* route fprintf() to our handler */
opt.extraInfo = (void*) runtime_vfprintf;
opt.optionString = "vfprintf";
mOptions.add(opt);
/* register the framework-specific "is sensitive thread" hook */
opt.extraInfo = (void*) runtime_isSensitiveThread;
opt.optionString = "sensitiveThread";
mOptions.add(opt);
opt.extraInfo = NULL;
/* enable verbose; standard options are { jni, gc, class } */
//options[curOpt++].optionString = "-verbose:jni";
opt.optionString = "-verbose:gc";
mOptions.add(opt);
//options[curOpt++].optionString = "-verbose:class";
/*
* The default starting and maximum size of the heap. Larger
* values should be specified in a product property override.
*/
strcpy(heapstartsizeOptsBuf, "-Xms");
property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m");
opt.optionString = heapstartsizeOptsBuf;
mOptions.add(opt);
strcpy(heapsizeOptsBuf, "-Xmx");
property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m");
opt.optionString = heapsizeOptsBuf;
mOptions.add(opt);
strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, "");
if (heapgrowthlimitOptsBuf[20] != '\0') {
opt.optionString = heapgrowthlimitOptsBuf;
mOptions.add(opt);
}
/*
* Enable or disable dexopt features, such as bytecode verification and
* calculation of register maps for precise GC.
*/
property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
if (dexoptFlagsBuf[0] != '\0') {
const char* opc;
const char* val;
opc = strstr(dexoptFlagsBuf, "v="); /* verification */
if (opc != NULL) {
switch (*(opc+2)) {
case 'n': val = "-Xverify:none"; break;
case 'r': val = "-Xverify:remote"; break;
case 'a': val = "-Xverify:all"; break;
default: val = NULL; break;
}
if (val != NULL) {
opt.optionString = val;
mOptions.add(opt);
}
}
opc = strstr(dexoptFlagsBuf, "o="); /* optimization */
if (opc != NULL) {
switch (*(opc+2)) {
case 'n': val = "-Xdexopt:none"; break;
case 'v': val = "-Xdexopt:verified"; break;
case 'a': val = "-Xdexopt:all"; break;
default: val = NULL; break;
}
if (val != NULL) {
opt.optionString = val;
mOptions.add(opt);
}
}
opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */
if (opc != NULL) {
opt.optionString = "-Xgenregmap";
mOptions.add(opt);
/* turn on precise GC while we're at it */
opt.optionString = "-Xgc:precise";
mOptions.add(opt);
}
}
/* enable debugging; set suspend=y to pause during VM init */
#ifdef HAVE_ANDROID_OS
/* use android ADB transport */
opt.optionString =
"-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
#else
/* use TCP socket; address=0 means start at port 8000 and probe up */
LOGI("Using TCP socket for JDWP\n");
opt.optionString =
"-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
#endif
mOptions.add(opt);
char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
property_get("dalvik.vm.deadlock-predict", propBuf, "");
if (strlen(propBuf) > 0) {
strcpy(enableDPBuf, "-Xdeadlockpredict:");
strcat(enableDPBuf, propBuf);
opt.optionString = enableDPBuf;
mOptions.add(opt);
}
LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
if (checkJni) {
/* extended JNI checking */
opt.optionString = "-Xcheck:jni";
mOptions.add(opt);
/* set a cap on JNI global references */
opt.optionString = "-Xjnigreflimit:2000";
mOptions.add(opt);
/* with -Xcheck:jni, this provides a JNI function call trace */
//opt.optionString = "-verbose:jni";
//mOptions.add(opt);
}
char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
property_get("dalvik.vm.lockprof.threshold", propBuf, "");
if (strlen(propBuf) > 0) {
strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:");
strcat(lockProfThresholdBuf, propBuf);
opt.optionString = lockProfThresholdBuf;
mOptions.add(opt);
}
#if defined(WITH_JIT)
/* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
property_get("dalvik.vm.jit.op", propBuf, "");
if (strlen(propBuf) > 0) {
strcpy(jitOpBuf, "-Xjitop:");
strcat(jitOpBuf, propBuf);
opt.optionString = jitOpBuf;
mOptions.add(opt);
}
/* Force interpreter-only mode for selected methods */
char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
property_get("dalvik.vm.jit.method", propBuf, "");
if (strlen(propBuf) > 0) {
strcpy(jitMethodBuf, "-Xjitmethod:");
strcat(jitMethodBuf, propBuf);
opt.optionString = jitMethodBuf;
mOptions.add(opt);
}
#endif
if (executionMode == kEMIntPortable) {
opt.optionString = "-Xint:portable";
mOptions.add(opt);
} else if (executionMode == kEMIntFast) {
opt.optionString = "-Xint:fast";
mOptions.add(opt);
#if defined(WITH_JIT)
} else if (executionMode == kEMJitCompiler) {
opt.optionString = "-Xint:jit";
mOptions.add(opt);
#endif
}
if (checkDexSum) {
/* perform additional DEX checksum tests */
opt.optionString = "-Xcheckdexsum";
mOptions.add(opt);
}
if (logStdio) {
/* convert stdout/stderr to log messages */
opt.optionString = "-Xlog-stdio";
mOptions.add(opt);
}
if (enableAssertBuf[4] != '\0') {
/* accept "all" to mean "all classes and packages" */
if (strcmp(enableAssertBuf+4, "all") == 0)
enableAssertBuf[3] = '\0';
LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
opt.optionString = enableAssertBuf;
mOptions.add(opt);
} else {
LOGV("Assertions disabled\n");
}
if (jniOptsBuf[10] != '\0') {
LOGI("JNI options: '%s'\n", jniOptsBuf);
opt.optionString = jniOptsBuf;
mOptions.add(opt);
}
if (stackTraceFileBuf[0] != '\0') {
static const char* stfOptName = "-Xstacktracefile:";
stackTraceFile = (char*) malloc(strlen(stfOptName) +
strlen(stackTraceFileBuf) +1);
strcpy(stackTraceFile, stfOptName);
strcat(stackTraceFile, stackTraceFileBuf);
opt.optionString = stackTraceFile;
mOptions.add(opt);
}
/* extra options; parse this late so it overrides others */
property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
parseExtraOpts(extraOptsBuf);
/* Set the properties for locale */
{
char langOption[sizeof("-Duser.language=") + 3];
char regionOption[sizeof("-Duser.region=") + 3];
strcpy(langOption, "-Duser.language=");
strcpy(regionOption, "-Duser.region=");
readLocale(langOption, regionOption);
opt.extraInfo = NULL;
opt.optionString = langOption;
mOptions.add(opt);
opt.optionString = regionOption;
mOptions.add(opt);
}
/*
* We don't have /tmp on the device, but we often have an SD card. Apps
* shouldn't use this, but some test suites might want to exercise it.
*/
opt.optionString = "-Djava.io.tmpdir=/sdcard";
mOptions.add(opt);
initArgs.version = JNI_VERSION_1_4;
initArgs.options = mOptions.editArray();
initArgs.nOptions = mOptions.size();
initArgs.ignoreUnrecognized = JNI_FALSE;
/*
* Initialize the VM.
*
* The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
* If this call succeeds, the VM is ready, and we can start issuing
* JNI calls.
*/
if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
LOGE("JNI_CreateJavaVM failed\n");
goto bail;
}
result = 0;
bail:
free(stackTraceFile);
return result;
}
/*
* Start the Android runtime. This involves starting the virtual machine
* and calling the "static void main(String[] args)" method in the class
* named by "className".
*/
void AndroidRuntime::start(const char* className, const bool startSystemServer)
{
LOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
className != NULL ? className : "(unknown)");
char* slashClassName = NULL;
char* cp;
JNIEnv* env;
blockSigpipe();
/*
* 'startSystemServer == true' means runtime is obslete and not run from
* init.rc anymore, so we print out the boot start event here.
*/
if (startSystemServer) {
/* track our progress through the boot sequence */
const int LOG_BOOT_PROGRESS_START = 3000;
LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
}
const char* rootDir = getenv("ANDROID_ROOT");
if (rootDir == NULL) {
rootDir = "/system";
if (!hasDir("/system")) {
LOG_FATAL("No root directory specified, and /android does not exist.");
goto bail;
}
setenv("ANDROID_ROOT", rootDir, 1);
}
//const char* kernelHack = getenv("LD_ASSUME_KERNEL");
//LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
/* start the virtual machine */
if (startVm(&mJavaVM, &env) != 0)
goto bail;
/*
* Register android functions.
*/
if (startReg(env) < 0) {
LOGE("Unable to register all android natives\n");
goto bail;
}
/*
* We want to call main() with a String array with arguments in it.
* At present we only have one argument, the class name. Create an
* array to hold it.
*/
jclass stringClass;
jobjectArray strArray;
jstring classNameStr;
jstring startSystemServerStr;
stringClass = env->FindClass("java/lang/String");
assert(stringClass != NULL);
strArray = env->NewObjectArray(2, stringClass, NULL);
assert(strArray != NULL);
classNameStr = env->NewStringUTF(className);
assert(classNameStr != NULL);
env->SetObjectArrayElement(strArray, 0, classNameStr);
startSystemServerStr = env->NewStringUTF(startSystemServer ?
"true" : "false");
env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
/*
* Start VM. This thread becomes the main thread of the VM, and will
* not return until the VM exits.
*/
jclass startClass;
jmethodID startMeth;
slashClassName = strdup(className);
for (cp = slashClassName; *cp != '\0'; cp++)
if (*cp == '.')
*cp = '/';
startClass = env->FindClass(slashClassName);
if (startClass == NULL) {
LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
/* keep going */
} else {
startMeth = env->GetStaticMethodID(startClass, "main",
"([Ljava/lang/String;)V");
if (startMeth == NULL) {
LOGE("JavaVM unable to find main() in '%s'\n", className);
/* keep going */
} else {
env->CallStaticVoidMethod(startClass, startMeth, strArray);
#if 0
if (env->ExceptionCheck())
threadExitUncaughtException(env);
#endif
}
}
LOGD("Shutting down VM\n");
if (mJavaVM->DetachCurrentThread() != JNI_OK)
LOGW("Warning: unable to detach main thread\n");
if (mJavaVM->DestroyJavaVM() != 0)
LOGW("Warning: VM did not shut down cleanly\n");
bail:
free(slashClassName);
}
void AndroidRuntime::start()
{
start("com.android.internal.os.RuntimeInit",
false /* Don't start the system server */);
}
void AndroidRuntime::onExit(int code)
{
LOGV("AndroidRuntime onExit calling exit(%d)", code);
exit(code);
}
/*
* Get the JNIEnv pointer for this thread.
*
* Returns NULL if the slot wasn't allocated or populated.
*/
/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
{
JNIEnv* env;
JavaVM* vm = AndroidRuntime::getJavaVM();
assert(vm != NULL);
if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
return NULL;
return env;
}
/*
* Makes the current thread visible to the VM.
*
* The JNIEnv pointer returned is only valid for the current thread, and
* thus must be tucked into thread-local storage.
*/
static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
{
JavaVMAttachArgs args;
JavaVM* vm;
jint result;
vm = AndroidRuntime::getJavaVM();
assert(vm != NULL);
args.version = JNI_VERSION_1_4;
args.name = (char*) threadName;
args.group = NULL;
result = vm->AttachCurrentThread(pEnv, (void*) &args);
if (result != JNI_OK)
LOGI("NOTE: attach of thread '%s' failed\n", threadName);
return result;
}
/*
* Detach the current thread from the set visible to the VM.
*/
static int javaDetachThread(void)
{
JavaVM* vm;
jint result;
vm = AndroidRuntime::getJavaVM();
assert(vm != NULL);
result = vm->DetachCurrentThread();
if (result != JNI_OK)
LOGE("ERROR: thread detach failed\n");
return result;
}
/*
* When starting a native thread that will be visible from the VM, we
* bounce through this to get the right attach/detach action.
* Note that this function calls free(args)
*/
/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
void* start = ((void**)args)[0];
void* userData = ((void **)args)[1];
char* name = (char*) ((void **)args)[2]; // we own this storage
free(args);
JNIEnv* env;
int result;
/* hook us into the VM */
if (javaAttachThread(name, &env) != JNI_OK)
return -1;
/* start the thread running */
result = (*(android_thread_func_t)start)(userData);
/* unhook us */
javaDetachThread();
free(name);
return result;
}
/*
* This is invoked from androidCreateThreadEtc() via the callback
* set with androidSetCreateThreadFunc().
*
* We need to create the new thread in such a way that it gets hooked
* into the VM before it really starts executing.
*/
/*static*/ int AndroidRuntime::javaCreateThreadEtc(
android_thread_func_t entryFunction,
void* userData,
const char* threadName,
int32_t threadPriority,
size_t threadStackSize,
android_thread_id_t* threadId)
{
void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free
int result;
assert(threadName != NULL);
args[0] = (void*) entryFunction;
args[1] = userData;
args[2] = (void*) strdup(threadName); // javaThreadShell must free
result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
threadName, threadPriority, threadStackSize, threadId);
return result;
}
/*
* Create a thread that is visible from the VM.
*
* This is called from elsewhere in the library.
*/
/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
void (*start)(void *), void* arg)
{
android_thread_id_t threadId = 0;
javaCreateThreadEtc((android_thread_func_t) start, arg, name,
ANDROID_PRIORITY_DEFAULT, 0, &threadId);
return threadId;
}
#if 0
static void quickTest(void* arg)
{
const char* str = (const char*) arg;
printf("In quickTest: %s\n", str);
}
#endif
#ifdef NDEBUG
#define REG_JNI(name) { name }
struct RegJNIRec {
int (*mProc)(JNIEnv*);
};
#else
#define REG_JNI(name) { name, #name }
struct RegJNIRec {
int (*mProc)(JNIEnv*);
const char* mName;
};
#endif
typedef void (*RegJAMProc)();
static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
{
for (size_t i = 0; i < count; i++) {
if (array[i].mProc(env) < 0) {
#ifndef NDEBUG
LOGD("----------!!! %s failed to load\n", array[i].mName);
#endif
return -1;
}
}
return 0;
}
static void register_jam_procs(const RegJAMProc array[], size_t count)
{
for (size_t i = 0; i < count; i++) {
array[i]();
}
}
static const RegJNIRec gRegJNI[] = {
REG_JNI(register_android_debug_JNITest),
REG_JNI(register_com_android_internal_os_RuntimeInit),
REG_JNI(register_android_os_SystemClock),
REG_JNI(register_android_util_EventLog),
REG_JNI(register_android_util_Log),
REG_JNI(register_android_util_FloatMath),
REG_JNI(register_android_text_format_Time),
REG_JNI(register_android_pim_EventRecurrence),
REG_JNI(register_android_content_AssetManager),
REG_JNI(register_android_content_StringBlock),
REG_JNI(register_android_content_XmlBlock),
REG_JNI(register_android_emoji_EmojiFactory),
REG_JNI(register_android_text_AndroidCharacter),
REG_JNI(register_android_text_AndroidBidi),
REG_JNI(register_android_text_KeyCharacterMap),
REG_JNI(register_android_os_Process),
REG_JNI(register_android_os_SystemProperties),
REG_JNI(register_android_os_Binder),
REG_JNI(register_android_view_Display),
REG_JNI(register_android_nio_utils),
REG_JNI(register_android_graphics_PixelFormat),
REG_JNI(register_android_graphics_Graphics),
REG_JNI(register_android_view_GLES20Canvas),
REG_JNI(register_android_view_Surface),
REG_JNI(register_android_view_ViewRoot),
REG_JNI(register_com_google_android_gles_jni_EGLImpl),
REG_JNI(register_com_google_android_gles_jni_GLImpl),
REG_JNI(register_android_opengl_jni_GLES10),
REG_JNI(register_android_opengl_jni_GLES10Ext),
REG_JNI(register_android_opengl_jni_GLES11),
REG_JNI(register_android_opengl_jni_GLES11Ext),
REG_JNI(register_android_opengl_jni_GLES20),
REG_JNI(register_android_graphics_Bitmap),
REG_JNI(register_android_graphics_BitmapFactory),
REG_JNI(register_android_graphics_BitmapRegionDecoder),
REG_JNI(register_android_graphics_Camera),
REG_JNI(register_android_graphics_Canvas),
REG_JNI(register_android_graphics_ColorFilter),
REG_JNI(register_android_graphics_DrawFilter),
REG_JNI(register_android_graphics_Interpolator),
REG_JNI(register_android_graphics_LayerRasterizer),
REG_JNI(register_android_graphics_MaskFilter),
REG_JNI(register_android_graphics_Matrix),
REG_JNI(register_android_graphics_Movie),
REG_JNI(register_android_graphics_NinePatch),
REG_JNI(register_android_graphics_Paint),
REG_JNI(register_android_graphics_Path),
REG_JNI(register_android_graphics_PathMeasure),
REG_JNI(register_android_graphics_PathEffect),
REG_JNI(register_android_graphics_Picture),
REG_JNI(register_android_graphics_PorterDuff),
REG_JNI(register_android_graphics_Rasterizer),
REG_JNI(register_android_graphics_Region),
REG_JNI(register_android_graphics_Shader),
REG_JNI(register_android_graphics_SurfaceTexture),
REG_JNI(register_android_graphics_Typeface),
REG_JNI(register_android_graphics_Xfermode),
REG_JNI(register_android_graphics_YuvImage),
REG_JNI(register_com_android_internal_graphics_NativeUtils),
REG_JNI(register_android_database_CursorWindow),
REG_JNI(register_android_database_SQLiteCompiledSql),
REG_JNI(register_android_database_SQLiteDatabase),
REG_JNI(register_android_database_SQLiteDebug),
REG_JNI(register_android_database_SQLiteProgram),
REG_JNI(register_android_database_SQLiteQuery),
REG_JNI(register_android_database_SQLiteStatement),
REG_JNI(register_android_os_Debug),
REG_JNI(register_android_os_FileObserver),
REG_JNI(register_android_os_FileUtils),
REG_JNI(register_android_os_MessageQueue),
REG_JNI(register_android_os_ParcelFileDescriptor),
REG_JNI(register_android_os_Power),
REG_JNI(register_android_os_StatFs),
REG_JNI(register_android_os_UEventObserver),
REG_JNI(register_android_net_LocalSocketImpl),
REG_JNI(register_android_net_NetworkUtils),
REG_JNI(register_android_net_TrafficStats),
REG_JNI(register_android_net_wifi_WifiManager),
REG_JNI(register_android_nfc_NdefMessage),
REG_JNI(register_android_nfc_NdefRecord),
REG_JNI(register_android_os_MemoryFile),
REG_JNI(register_com_android_internal_os_ZygoteInit),
REG_JNI(register_android_hardware_Camera),
REG_JNI(register_android_hardware_SensorManager),
REG_JNI(register_android_hardware_UsbDevice),
REG_JNI(register_android_hardware_UsbRequest),
REG_JNI(register_android_media_AudioRecord),
REG_JNI(register_android_media_AudioSystem),
REG_JNI(register_android_media_AudioTrack),
REG_JNI(register_android_media_JetPlayer),
REG_JNI(register_android_media_ToneGenerator),
REG_JNI(register_android_opengl_classes),
REG_JNI(register_android_bluetooth_HeadsetBase),
REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
REG_JNI(register_android_bluetooth_BluetoothSocket),
REG_JNI(register_android_server_BluetoothService),
REG_JNI(register_android_server_BluetoothEventLoop),
REG_JNI(register_android_server_BluetoothA2dpService),
REG_JNI(register_android_server_Watchdog),
REG_JNI(register_android_ddm_DdmHandleNativeHeap),
REG_JNI(register_android_backup_BackupDataInput),
REG_JNI(register_android_backup_BackupDataOutput),
REG_JNI(register_android_backup_FileBackupHelperBase),
REG_JNI(register_android_backup_BackupHelperDispatcher),
REG_JNI(register_android_app_NativeActivity),
REG_JNI(register_android_view_InputChannel),
REG_JNI(register_android_view_InputQueue),
REG_JNI(register_android_view_KeyEvent),
REG_JNI(register_android_view_MotionEvent),
REG_JNI(register_android_content_res_ObbScanner),
REG_JNI(register_android_content_res_Configuration),
REG_JNI(register_android_animation_PropertyValuesHolder),
};
/*
* Register android native functions with the VM.
*/
/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
{
/*
* This hook causes all future threads created in this process to be
* attached to the JavaVM. (This needs to go away in favor of JNI
* Attach calls.)
*/
androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
LOGV("--- registering native functions ---\n");
/*
* Every "register" function calls one or more things that return
* a local reference (e.g. FindClass). Because we haven't really
* started the VM yet, they're all getting stored in the base frame
* and never released. Use Push/Pop to manage the storage.
*/
env->PushLocalFrame(200);
if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
env->PopLocalFrame(NULL);
return -1;
}
env->PopLocalFrame(NULL);
//createJavaThread("fubar", quickTest, (void*) "hello");
return 0;
}
AndroidRuntime* AndroidRuntime::getRuntime()
{
return gCurRuntime;
}
/**
* Used by WithFramework to register native functions.
*/
extern "C"
jint Java_com_android_internal_util_WithFramework_registerNatives(
JNIEnv* env, jclass clazz) {
return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
}
/**
* Used by LoadClass to register native functions.
*/
extern "C"
jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
}
} // namespace android
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