Google Git
Sign in
android / platform / frameworks / base / 739a7fb / . / core / jni / AndroidRuntime.cpp
blob: 4c137b14ed4111edb9cd4e1de0445521eb4b9c7e [file] [log] [blame]
/*
* Copyright (C) 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 ATRACE_TAG ATRACE_TAG_DALVIK
#define LOG_TAG "AndroidRuntime"
#define LOG_NDEBUG 1
#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 <utils/Trace.h>
#include <binder/Parcel.h>
#include <utils/threads.h>
#include <cutils/properties.h>
#include <SkGraphics.h>
#include "jni.h"
#include <nativehelper/JNIHelp.h>
#include <nativehelper/JniInvocation.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>
#include <string>
#include <vector>
using namespace android;
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_CreateJavaOutputStreamAdaptor(JNIEnv* env);
extern int register_android_graphics_GraphicBuffer(JNIEnv* env);
extern int register_android_graphics_Graphics(JNIEnv* env);
extern int register_android_graphics_Interpolator(JNIEnv* env);
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_EGL14(JNIEnv* env);
extern int register_android_opengl_jni_EGLExt(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_opengl_jni_GLES30(JNIEnv* env);
extern int register_android_opengl_jni_GLES31(JNIEnv* env);
extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env);
extern int register_android_opengl_jni_GLES32(JNIEnv* env);
extern int register_android_hardware_Camera(JNIEnv *env);
extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env);
extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env);
extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env);
extern int register_android_hardware_camera2_DngCreator(JNIEnv *env);
extern int register_android_hardware_HardwareBuffer(JNIEnv *env);
extern int register_android_hardware_SensorManager(JNIEnv *env);
extern int register_android_hardware_SerialPort(JNIEnv *env);
extern int register_android_hardware_SoundTrigger(JNIEnv *env);
extern int register_android_hardware_UsbDevice(JNIEnv *env);
extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
extern int register_android_hardware_UsbRequest(JNIEnv *env);
extern int register_android_hardware_location_ActivityRecognitionHardware(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);
namespace android {
/*
* JNI-based registration functions. Note these are properly contained in
* namespace android.
*/
extern int register_android_app_admin_SecurityLog(JNIEnv* env);
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_util_MemoryIntArray(JNIEnv* env);
extern int register_android_util_PathParser(JNIEnv* env);
extern int register_android_content_StringBlock(JNIEnv* env);
extern int register_android_content_XmlBlock(JNIEnv* env);
extern int register_android_graphics_Canvas(JNIEnv* env);
extern int register_android_graphics_CanvasProperty(JNIEnv* env);
extern int register_android_graphics_ColorFilter(JNIEnv* env);
extern int register_android_graphics_DrawFilter(JNIEnv* env);
extern int register_android_graphics_FontFamily(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_Region(JNIEnv* env);
extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
extern int register_android_graphics_drawable_AnimatedVectorDrawable(JNIEnv* env);
extern int register_android_graphics_drawable_VectorDrawable(JNIEnv* env);
extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
extern int register_android_view_DisplayListCanvas(JNIEnv* env);
extern int register_android_view_HardwareLayer(JNIEnv* env);
extern int register_android_view_RenderNode(JNIEnv* env);
extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
extern int register_android_view_Surface(JNIEnv* env);
extern int register_android_view_SurfaceControl(JNIEnv* env);
extern int register_android_view_SurfaceSession(JNIEnv* env);
extern int register_android_view_TextureView(JNIEnv* env);
extern int register_android_view_ThreadedRenderer(JNIEnv* env);
extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
extern int register_android_database_CursorWindow(JNIEnv* env);
extern int register_android_database_SQLiteConnection(JNIEnv* env);
extern int register_android_database_SQLiteGlobal(JNIEnv* env);
extern int register_android_database_SQLiteDebug(JNIEnv* env);
extern int register_android_nio_utils(JNIEnv* env);
extern int register_android_os_Debug(JNIEnv* env);
extern int register_android_os_GraphicsEnvironment(JNIEnv* env);
extern int register_android_os_HwBinder(JNIEnv *env);
extern int register_android_os_HwBlob(JNIEnv *env);
extern int register_android_os_HwParcel(JNIEnv *env);
extern int register_android_os_HwRemoteBinder(JNIEnv *env);
extern int register_android_os_MessageQueue(JNIEnv* env);
extern int register_android_os_Parcel(JNIEnv* env);
extern int register_android_os_SELinux(JNIEnv* env);
extern int register_android_os_VintfObject(JNIEnv *env);
extern int register_android_os_VintfRuntimeInfo(JNIEnv *env);
extern int register_android_os_seccomp(JNIEnv* env);
extern int register_android_os_SystemProperties(JNIEnv *env);
extern int register_android_os_SystemClock(JNIEnv* env);
extern int register_android_os_Trace(JNIEnv* env);
extern int register_android_os_FileObserver(JNIEnv *env);
extern int register_android_os_UEventObserver(JNIEnv* env);
extern int register_android_os_MemoryFile(JNIEnv* env);
extern int register_android_os_SharedMemory(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_text_AndroidCharacter(JNIEnv *env);
extern int register_android_text_StaticLayout(JNIEnv *env);
extern int register_android_text_AndroidBidi(JNIEnv *env);
extern int register_android_opengl_classes(JNIEnv *env);
extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
extern int register_android_server_NetworkManagementSocketTagger(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_backup_FullBackup(JNIEnv *env);
extern int register_android_app_Activity(JNIEnv *env);
extern int register_android_app_ActivityThread(JNIEnv *env);
extern int register_android_app_ApplicationLoaders(JNIEnv *env);
extern int register_android_app_NativeActivity(JNIEnv *env);
extern int register_android_media_RemoteDisplay(JNIEnv *env);
extern int register_android_util_jar_StrictJarFile(JNIEnv* env);
extern int register_android_view_InputChannel(JNIEnv* env);
extern int register_android_view_InputDevice(JNIEnv* env);
extern int register_android_view_InputEventReceiver(JNIEnv* env);
extern int register_android_view_InputEventSender(JNIEnv* env);
extern int register_android_view_InputQueue(JNIEnv* env);
extern int register_android_view_KeyCharacterMap(JNIEnv *env);
extern int register_android_view_KeyEvent(JNIEnv* env);
extern int register_android_view_MotionEvent(JNIEnv* env);
extern int register_android_view_PointerIcon(JNIEnv* env);
extern int register_android_view_VelocityTracker(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);
extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
extern int register_com_android_internal_os_ClassLoaderFactory(JNIEnv* env);
extern int register_com_android_internal_os_FuseAppLoop(JNIEnv* env);
extern int register_com_android_internal_os_Zygote(JNIEnv *env);
extern int register_com_android_internal_os_ZygoteInit(JNIEnv *env);
extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
static AndroidRuntime* gCurRuntime = NULL;
/*
* Code written in the Java Programming Language calls here from main().
*/
static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
{
gCurRuntime->onStarted();
}
static void com_android_internal_os_ZygoteInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
{
gCurRuntime->onZygoteInit();
}
static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
jobject clazz, jboolean exitWithoutCleanup)
{
gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
}
/*
* JNI registration.
*/
int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
{
const JNINativeMethod methods[] = {
{ "nativeFinishInit", "()V",
(void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
{ "nativeSetExitWithoutCleanup", "(Z)V",
(void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
};
return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
methods, NELEM(methods));
}
int register_com_android_internal_os_ZygoteInit_nativeZygoteInit(JNIEnv* env)
{
const JNINativeMethod methods[] = {
{ "nativeZygoteInit", "()V",
(void*) com_android_internal_os_ZygoteInit_nativeZygoteInit },
};
return jniRegisterNativeMethods(env, "com/android/internal/os/ZygoteInit",
methods, NELEM(methods));
}
// ----------------------------------------------------------------------
/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
mExitWithoutCleanup(false),
mArgBlockStart(argBlockStart),
mArgBlockLength(argBlockLength)
{
SkGraphics::Init();
// Pre-allocate enough space to hold a fair number of options.
mOptions.setCapacity(20);
assert(gCurRuntime == NULL); // one per process
gCurRuntime = this;
}
AndroidRuntime::~AndroidRuntime()
{
}
/*
* 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);
}
void AndroidRuntime::setArgv0(const char* argv0, bool setProcName) {
if (setProcName) {
int len = strlen(argv0);
if (len < 15) {
pthread_setname_np(pthread_self(), argv0);
} else {
pthread_setname_np(pthread_self(), argv0 + len - 15);
}
}
memset(mArgBlockStart, 0, mArgBlockLength);
strlcpy(mArgBlockStart, argv0, mArgBlockLength);
}
status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
const Vector<String8>& args)
{
JNIEnv* env;
jmethodID methodId;
ALOGD("Calling main entry %s", className.string());
env = getJNIEnv();
if (clazz == NULL || env == NULL) {
return UNKNOWN_ERROR;
}
methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
if (methodId == NULL) {
ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
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;
const size_t numArgs = args.size();
stringClass = env->FindClass("java/lang/String");
strArray = env->NewObjectArray(numArgs, stringClass, NULL);
for (size_t i = 0; i < numArgs; i++) {
jstring argStr = env->NewStringUTF(args[i].string());
env->SetObjectArrayElement(strArray, i, argStr);
}
env->CallStaticVoidMethod(clazz, methodId, strArray);
return NO_ERROR;
}
/*
* The VM calls this through the "exit" hook.
*/
static void runtime_exit(int code)
{
gCurRuntime->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;
}
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;
}
static bool hasFile(const char* file) {
struct stat s;
int res = stat(file, &s);
if (res == 0) {
return S_ISREG(s.st_mode);
}
return false;
}
// Convenience wrapper over the property API that returns an
// std::string.
std::string getProperty(const char* key, const char* defaultValue) {
std::vector<char> temp(PROPERTY_VALUE_MAX);
const int len = property_get(key, &temp[0], defaultValue);
if (len < 0) {
return "";
}
return std::string(&temp[0], len);
}
/*
* Read the persistent locale. Inspects the following system properties
* (in order) and returns the first non-empty property in the list :
*
* (1) persist.sys.locale
* (2) persist.sys.language/country/localevar (country and localevar are
* inspected iff. language is non-empty.
* (3) ro.product.locale
* (4) ro.product.locale.language/region
*
* Note that we need to inspect persist.sys.language/country/localevar to
* preserve language settings for devices that are upgrading from Lollipop
* to M. The same goes for ro.product.locale.language/region as well.
*/
const std::string readLocale()
{
const std::string locale = getProperty("persist.sys.locale", "");
if (!locale.empty()) {
return locale;
}
const std::string language = getProperty("persist.sys.language", "");
if (!language.empty()) {
const std::string country = getProperty("persist.sys.country", "");
const std::string variant = getProperty("persist.sys.localevar", "");
std::string out = language;
if (!country.empty()) {
out = out + "-" + country;
}
if (!variant.empty()) {
out = out + "-" + variant;
}
return out;
}
const std::string productLocale = getProperty("ro.product.locale", "");
if (!productLocale.empty()) {
return productLocale;
}
// If persist.sys.locale and ro.product.locale are missing,
// construct a locale value from the individual locale components.
const std::string productLanguage = getProperty("ro.product.locale.language", "en");
const std::string productRegion = getProperty("ro.product.locale.region", "US");
return productLanguage + "-" + productRegion;
}
void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
{
JavaVMOption opt;
opt.optionString = optionString;
opt.extraInfo = extraInfo;
mOptions.add(opt);
}
/*
* 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.
*
* If "quotingArg" is non-null, it is passed before each extra option in mOptions.
*
* Adds the strings, if any, to mOptions.
*/
void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
{
char* start = extraOptsBuf;
char* end = NULL;
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 */
if (quotingArg != NULL) {
addOption(quotingArg);
}
addOption(start);
start = end;
}
}
/*
* Reads a "property" into "buffer" with a default of "defaultArg". If
* the property is non-empty, it is treated as a runtime option such
* as "-Xmx32m".
*
* The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
*
* If an argument is found, it is added to mOptions.
*
* If an option is found, it is added to mOptions and true is
* returned. Otherwise false is returned.
*/
bool AndroidRuntime::parseRuntimeOption(const char* property,
char* buffer,
const char* runtimeArg,
const char* defaultArg)
{
strcpy(buffer, runtimeArg);
size_t runtimeArgLen = strlen(runtimeArg);
property_get(property, buffer+runtimeArgLen, defaultArg);
if (buffer[runtimeArgLen] == '\0') {
return false;
}
addOption(buffer);
return true;
}
/*
* Reads a "property" into "buffer". If the property is non-empty, it
* is treated as a dex2oat compiler option that should be
* passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=assume-verified".
*
* The "compilerArg" is a prefix for the option such as "--compiler-filter=".
*
* The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
*
* If an option is found, it is added to mOptions and true is
* returned. Otherwise false is returned.
*/
bool AndroidRuntime::parseCompilerOption(const char* property,
char* buffer,
const char* compilerArg,
const char* quotingArg)
{
strcpy(buffer, compilerArg);
size_t compilerArgLen = strlen(compilerArg);
property_get(property, buffer+compilerArgLen, "");
if (buffer[compilerArgLen] == '\0') {
return false;
}
addOption(quotingArg);
addOption(buffer);
return true;
}
/*
* Reads a "property" into "buffer". If the property is non-empty, it
* is treated as a dex2oat compiler runtime option that should be
* passed as a quoted option, e.g. "-Ximage-compiler-option
* --runtime-arg -Ximage-compiler-option -Xmx32m".
*
* The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
*
* The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
*
* If an option is found, it is added to mOptions and true is
* returned. Otherwise false is returned.
*/
bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
char* buffer,
const char* runtimeArg,
const char* quotingArg)
{
strcpy(buffer, runtimeArg);
size_t runtimeArgLen = strlen(runtimeArg);
property_get(property, buffer+runtimeArgLen, "");
if (buffer[runtimeArgLen] == '\0') {
return false;
}
addOption(quotingArg);
addOption("--runtime-arg");
addOption(quotingArg);
addOption(buffer);
return true;
}
/*
* Start the Dalvik Virtual Machine.
*
* Various arguments, most determined by system properties, are passed in.
* The "mOptions" vector is updated.
*
* CAUTION: when adding options in here, be careful not to put the
* char buffer inside a nested scope. Adding the buffer to the
* options using mOptions.add() does not copy the buffer, so if the
* buffer goes out of scope the option may be overwritten. It's best
* to put the buffer at the top of the function so that it is more
* unlikely that someone will surround it in a scope at a later time
* and thus introduce a bug.
*
* Returns 0 on success.
*/
int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote)
{
JavaVMInitArgs initArgs;
char propBuf[PROPERTY_VALUE_MAX];
char stackTraceFileBuf[sizeof("-Xstacktracefile:")-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 heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX];
char jitmaxsizeOptsBuf[sizeof("-Xjitmaxsize:")-1 + PROPERTY_VALUE_MAX];
char jitinitialsizeOptsBuf[sizeof("-Xjitinitialsize:")-1 + PROPERTY_VALUE_MAX];
char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX];
char useJitProfilesOptsBuf[sizeof("-Xjitsaveprofilinginfo:")-1 + PROPERTY_VALUE_MAX];
char jitprithreadweightOptBuf[sizeof("-Xjitprithreadweight:")-1 + PROPERTY_VALUE_MAX];
char jittransitionweightOptBuf[sizeof("-Xjittransitionweight:")-1 + PROPERTY_VALUE_MAX];
char hotstartupsamplesOptsBuf[sizeof("-Xps-hot-startup-method-samples:")-1 + PROPERTY_VALUE_MAX];
char madviseRandomOptsBuf[sizeof("-XX:MadviseRandomAccess:")-1 + PROPERTY_VALUE_MAX];
char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
char foregroundHeapGrowthMultiplierOptsBuf[
sizeof("-XX:ForegroundHeapGrowthMultiplier=")-1 + PROPERTY_VALUE_MAX];
char cachePruneBuf[sizeof("-Xzygote-max-boot-retry=")-1 + PROPERTY_VALUE_MAX];
char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
char dex2oat_isa_variant_key[PROPERTY_KEY_MAX];
char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX];
char dex2oat_isa_features_key[PROPERTY_KEY_MAX];
char dex2oat_isa_features[sizeof("--instruction-set-features=") -1 + PROPERTY_VALUE_MAX];
char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
char extraOptsBuf[PROPERTY_VALUE_MAX];
char voldDecryptBuf[PROPERTY_VALUE_MAX];
enum {
kEMDefault,
kEMIntPortable,
kEMIntFast,
kEMJitCompiler,
} executionMode = kEMDefault;
char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX];
char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX];
char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX];
char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX];
char fingerprintBuf[sizeof("-Xfingerprint:") + PROPERTY_VALUE_MAX];
bool checkJni = false;
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;
}
}
ALOGV("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
if (checkJni) {
/* extended JNI checking */
addOption("-Xcheck:jni");
/* with -Xcheck:jni, this provides a JNI function call trace */
//addOption("-verbose:jni");
}
property_get("dalvik.vm.execution-mode", propBuf, "");
if (strcmp(propBuf, "int:portable") == 0) {
executionMode = kEMIntPortable;
} else if (strcmp(propBuf, "int:fast") == 0) {
executionMode = kEMIntFast;
} else if (strcmp(propBuf, "int:jit") == 0) {
executionMode = kEMJitCompiler;
}
// If dalvik.vm.stack-trace-dir is set, it enables the "new" stack trace
// dump scheme and a new file is created for each stack dump. If it isn't set,
// the old scheme is enabled.
property_get("dalvik.vm.stack-trace-dir", propBuf, "");
if (strlen(propBuf) > 0) {
addOption("-Xusetombstonedtraces");
} else {
parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
}
strcpy(jniOptsBuf, "-Xjniopts:");
if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
ALOGI("JNI options: '%s'\n", jniOptsBuf);
}
/* route exit() to our handler */
addOption("exit", (void*) runtime_exit);
/* route fprintf() to our handler */
addOption("vfprintf", (void*) runtime_vfprintf);
/* register the framework-specific "is sensitive thread" hook */
addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
/* enable verbose; standard options are { jni, gc, class } */
//addOption("-verbose:jni");
addOption("-verbose:gc");
//addOption("-verbose:class");
/*
* The default starting and maximum size of the heap. Larger
* values should be specified in a product property override.
*/
parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
parseRuntimeOption("dalvik.vm.heaptargetutilization",
heaptargetutilizationOptsBuf,
"-XX:HeapTargetUtilization=");
/* Foreground heap growth multiplier option */
parseRuntimeOption("dalvik.vm.foreground-heap-growth-multiplier",
foregroundHeapGrowthMultiplierOptsBuf,
"-XX:ForegroundHeapGrowthMultiplier=");
/*
* JIT related options.
*/
parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:");
parseRuntimeOption("dalvik.vm.jitmaxsize", jitmaxsizeOptsBuf, "-Xjitmaxsize:");
parseRuntimeOption("dalvik.vm.jitinitialsize", jitinitialsizeOptsBuf, "-Xjitinitialsize:");
parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:");
property_get("dalvik.vm.usejitprofiles", useJitProfilesOptsBuf, "");
if (strcmp(useJitProfilesOptsBuf, "true") == 0) {
addOption("-Xjitsaveprofilinginfo");
}
parseRuntimeOption("dalvik.vm.jitprithreadweight",
jitprithreadweightOptBuf,
"-Xjitprithreadweight:");
parseRuntimeOption("dalvik.vm.jittransitionweight",
jittransitionweightOptBuf,
"-Xjittransitionweight:");
/*
* Madvise related options.
*/
parseRuntimeOption("dalvik.vm.madvise-random", madviseRandomOptsBuf, "-XX:MadviseRandomAccess:");
/*
* Profile related options.
*/
parseRuntimeOption("dalvik.vm.hot-startup-method-samples", hotstartupsamplesOptsBuf,
"-Xps-hot-startup-method-samples:");
property_get("ro.config.low_ram", propBuf, "");
if (strcmp(propBuf, "true") == 0) {
addOption("-XX:LowMemoryMode");
}
parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
/*
* Enable debugging only for apps forked from zygote.
* Set suspend=y to pause during VM init and use android ADB transport.
*/
if (zygote) {
addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
}
parseRuntimeOption("dalvik.vm.lockprof.threshold",
lockProfThresholdBuf,
"-Xlockprofthreshold:");
if (executionMode == kEMIntPortable) {
addOption("-Xint:portable");
} else if (executionMode == kEMIntFast) {
addOption("-Xint:fast");
} else if (executionMode == kEMJitCompiler) {
addOption("-Xint:jit");
}
// If we are booting without the real /data, don't spend time compiling.
property_get("vold.decrypt", voldDecryptBuf, "");
bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
(strcmp(voldDecryptBuf, "1") == 0));
// Extra options for boot.art/boot.oat image generation.
parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
"-Xms", "-Ximage-compiler-option");
parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
"-Xmx", "-Ximage-compiler-option");
if (skip_compilation) {
addOption("-Ximage-compiler-option");
addOption("--compiler-filter=assume-verified");
} else {
parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
"--compiler-filter=", "-Ximage-compiler-option");
}
// If there is a boot profile, it takes precedence over the image and preloaded classes.
if (hasFile("/system/etc/boot-image.prof")) {
addOption("-Ximage-compiler-option");
addOption("--profile-file=/system/etc/boot-image.prof");
addOption("-Ximage-compiler-option");
addOption("--compiler-filter=speed-profile");
} else {
// Make sure there is a preloaded-classes file.
if (!hasFile("/system/etc/preloaded-classes")) {
ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
strerror(errno));
return -1;
}
addOption("-Ximage-compiler-option");
addOption("--image-classes=/system/etc/preloaded-classes");
// If there is a compiled-classes file, push it.
if (hasFile("/system/etc/compiled-classes")) {
addOption("-Ximage-compiler-option");
addOption("--compiled-classes=/system/etc/compiled-classes");
}
// If there is a dirty-image-objects file, push it.
if (hasFile("/system/etc/dirty-image-objects")) {
addOption("-Ximage-compiler-option");
addOption("--dirty-image-objects=/system/etc/dirty-image-objects");
}
}
property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
// Extra options for DexClassLoader.
parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
"-Xms", "-Xcompiler-option");
parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
"-Xmx", "-Xcompiler-option");
if (skip_compilation) {
addOption("-Xcompiler-option");
addOption("--compiler-filter=assume-verified");
// We skip compilation when a minimal runtime is brought up for decryption. In that case
// /data is temporarily backed by a tmpfs, which is usually small.
// If the system image contains prebuilts, they will be relocated into the tmpfs. In this
// specific situation it is acceptable to *not* relocate and run out of the prebuilts
// directly instead.
addOption("--runtime-arg");
addOption("-Xnorelocate");
} else {
parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
"--compiler-filter=", "-Xcompiler-option");
}
parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option");
parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j",
"-Ximage-compiler-option");
// The runtime will compile a boot image, when necessary, not using installd. Thus, we need to
// pass the instruction-set-features/variant as an image-compiler-option.
// TODO: Find a better way for the instruction-set.
#if defined(__arm__)
constexpr const char* instruction_set = "arm";
#elif defined(__aarch64__)
constexpr const char* instruction_set = "arm64";
#elif defined(__mips__) && !defined(__LP64__)
constexpr const char* instruction_set = "mips";
#elif defined(__mips__) && defined(__LP64__)
constexpr const char* instruction_set = "mips64";
#elif defined(__i386__)
constexpr const char* instruction_set = "x86";
#elif defined(__x86_64__)
constexpr const char* instruction_set = "x86_64";
#else
constexpr const char* instruction_set = "unknown";
#endif
// Note: it is OK to reuse the buffer, as the values are exactly the same between
// * compiler-option, used for runtime compilation (DexClassLoader)
// * image-compiler-option, used for boot-image compilation on device
// Copy the variant.
sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", instruction_set);
parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
"--instruction-set-variant=", "-Ximage-compiler-option");
parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
"--instruction-set-variant=", "-Xcompiler-option");
// Copy the features.
sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set);
parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
"--instruction-set-features=", "-Ximage-compiler-option");
parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
"--instruction-set-features=", "-Xcompiler-option");
property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
/* extra options; parse this late so it overrides others */
property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
parseExtraOpts(extraOptsBuf, NULL);
/* Set the properties for locale */
{
strcpy(localeOption, "-Duser.locale=");
const std::string locale = readLocale();
strncat(localeOption, locale.c_str(), PROPERTY_VALUE_MAX);
addOption(localeOption);
}
// Trace files are stored in /data/misc/trace which is writable only in debug mode.
property_get("ro.debuggable", propBuf, "0");
if (strcmp(propBuf, "1") == 0) {
property_get("dalvik.vm.method-trace", propBuf, "false");
if (strcmp(propBuf, "true") == 0) {
addOption("-Xmethod-trace");
parseRuntimeOption("dalvik.vm.method-trace-file",
methodTraceFileBuf,
"-Xmethod-trace-file:");
parseRuntimeOption("dalvik.vm.method-trace-file-siz",
methodTraceFileSizeBuf,
"-Xmethod-trace-file-size:");
property_get("dalvik.vm.method-trace-stream", propBuf, "false");
if (strcmp(propBuf, "true") == 0) {
addOption("-Xmethod-trace-stream");
}
}
}
// Native bridge library. "0" means that native bridge is disabled.
property_get("ro.dalvik.vm.native.bridge", propBuf, "");
if (propBuf[0] == '\0') {
ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
} else if (strcmp(propBuf, "0") != 0) {
snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
"-XX:NativeBridge=%s", propBuf);
addOption(nativeBridgeLibrary);
}
#if defined(__LP64__)
const char* cpu_abilist_property_name = "ro.product.cpu.abilist64";
#else
const char* cpu_abilist_property_name = "ro.product.cpu.abilist32";
#endif // defined(__LP64__)
property_get(cpu_abilist_property_name, propBuf, "");
if (propBuf[0] == '\0') {
ALOGE("%s is not expected to be empty", cpu_abilist_property_name);
return -1;
}
snprintf(cpuAbiListBuf, sizeof(cpuAbiListBuf), "--cpu-abilist=%s", propBuf);
addOption(cpuAbiListBuf);
// Dalvik-cache pruning counter.
parseRuntimeOption("dalvik.vm.zygote.max-boot-retry", cachePruneBuf,
"-Xzygote-max-boot-retry=");
/*
* When running with debug.generate-debug-info, add --generate-debug-info to
* the compiler options so that the boot image, if it is compiled on device,
* will include native debugging information.
*/
property_get("debug.generate-debug-info", propBuf, "");
if (strcmp(propBuf, "true") == 0) {
addOption("-Xcompiler-option");
addOption("--generate-debug-info");
addOption("-Ximage-compiler-option");
addOption("--generate-debug-info");
}
/*
* Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will
* contain the fingerprint and can be parsed.
*/
parseRuntimeOption("ro.build.fingerprint", fingerprintBuf, "-Xfingerprint:");
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) {
ALOGE("JNI_CreateJavaVM failed\n");
return -1;
}
return 0;
}
char* AndroidRuntime::toSlashClassName(const char* className)
{
char* result = strdup(className);
for (char* cp = result; *cp != '\0'; cp++) {
if (*cp == '.') {
*cp = '/';
}
}
return result;
}
/** Create a Java string from an ASCII or Latin-1 string */
jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
if (!bytes) return NULL;
int length = strlen(bytes);
jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
if (!buffer) return NULL;
jchar* chp = buffer;
for (int i = 0; i < length; i++) {
*chp++ = *bytes++;
}
return env->NewString(buffer, length);
}
/*
* 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".
*
* Passes the main function two arguments, the class name and the specified
* options string.
*/
void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote)
{
ALOGD(">>>>>> START %s uid %d <<<<<<\n",
className != NULL ? className : "(unknown)", getuid());
static const String8 startSystemServer("start-system-server");
/*
* 'startSystemServer == true' means runtime is obsolete and not run from
* init.rc anymore, so we print out the boot start event here.
*/
for (size_t i = 0; i < options.size(); ++i) {
if (options[i] == 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.");
return;
}
setenv("ANDROID_ROOT", rootDir, 1);
}
//const char* kernelHack = getenv("LD_ASSUME_KERNEL");
//ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
/* start the virtual machine */
JniInvocation jni_invocation;
jni_invocation.Init(NULL);
JNIEnv* env;
if (startVm(&mJavaVM, &env, zygote) != 0) {
return;
}
onVmCreated(env);
/*
* Register android functions.
*/
if (startReg(env) < 0) {
ALOGE("Unable to register all android natives\n");
return;
}
/*
* We want to call main() with a String array with arguments in it.
* At present we have two arguments, the class name and an option string.
* Create an array to hold them.
*/
jclass stringClass;
jobjectArray strArray;
jstring classNameStr;
stringClass = env->FindClass("java/lang/String");
assert(stringClass != NULL);
strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
assert(strArray != NULL);
classNameStr = env->NewStringUTF(className);
assert(classNameStr != NULL);
env->SetObjectArrayElement(strArray, 0, classNameStr);
for (size_t i = 0; i < options.size(); ++i) {
jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
assert(optionsStr != NULL);
env->SetObjectArrayElement(strArray, i + 1, optionsStr);
}
/*
* Start VM. This thread becomes the main thread of the VM, and will
* not return until the VM exits.
*/
char* slashClassName = toSlashClassName(className != NULL ? className : "");
jclass startClass = env->FindClass(slashClassName);
if (startClass == NULL) {
ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
/* keep going */
} else {
jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
"([Ljava/lang/String;)V");
if (startMeth == NULL) {
ALOGE("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
}
}
free(slashClassName);
ALOGD("Shutting down VM\n");
if (mJavaVM->DetachCurrentThread() != JNI_OK)
ALOGW("Warning: unable to detach main thread\n");
if (mJavaVM->DestroyJavaVM() != 0)
ALOGW("Warning: VM did not shut down cleanly\n");
}
void AndroidRuntime::exit(int code)
{
if (mExitWithoutCleanup) {
ALOGI("VM exiting with result code %d, cleanup skipped.", code);
::_exit(code);
} else {
ALOGI("VM exiting with result code %d.", code);
onExit(code);
::exit(code);
}
}
void AndroidRuntime::onVmCreated(JNIEnv* env)
{
// If AndroidRuntime had anything to do here, we'd have done it in 'start'.
}
/*
* 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)
ALOGI("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)
ALOGE("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;
LOG_ALWAYS_FATAL_IF(threadName == nullptr, "threadName not provided to javaCreateThreadEtc");
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
ALOGD("----------!!! %s failed to load\n", array[i].mName);
#endif
return -1;
}
}
return 0;
}
static const RegJNIRec gRegJNI[] = {
REG_JNI(register_com_android_internal_os_RuntimeInit),
REG_JNI(register_com_android_internal_os_ZygoteInit_nativeZygoteInit),
REG_JNI(register_android_os_SystemClock),
REG_JNI(register_android_util_EventLog),
REG_JNI(register_android_util_Log),
REG_JNI(register_android_util_MemoryIntArray),
REG_JNI(register_android_util_PathParser),
REG_JNI(register_android_app_admin_SecurityLog),
REG_JNI(register_android_content_AssetManager),
REG_JNI(register_android_content_StringBlock),
REG_JNI(register_android_content_XmlBlock),
REG_JNI(register_android_text_AndroidCharacter),
REG_JNI(register_android_text_StaticLayout),
REG_JNI(register_android_text_AndroidBidi),
REG_JNI(register_android_view_InputDevice),
REG_JNI(register_android_view_KeyCharacterMap),
REG_JNI(register_android_os_Process),
REG_JNI(register_android_os_SystemProperties),
REG_JNI(register_android_os_Binder),
REG_JNI(register_android_os_Parcel),
REG_JNI(register_android_os_HwBinder),
REG_JNI(register_android_os_HwBlob),
REG_JNI(register_android_os_HwParcel),
REG_JNI(register_android_os_HwRemoteBinder),
REG_JNI(register_android_os_VintfObject),
REG_JNI(register_android_os_VintfRuntimeInfo),
REG_JNI(register_android_nio_utils),
REG_JNI(register_android_graphics_Canvas),
REG_JNI(register_android_graphics_Graphics),
REG_JNI(register_android_view_DisplayEventReceiver),
REG_JNI(register_android_view_RenderNode),
REG_JNI(register_android_view_RenderNodeAnimator),
REG_JNI(register_android_view_DisplayListCanvas),
REG_JNI(register_android_view_HardwareLayer),
REG_JNI(register_android_view_ThreadedRenderer),
REG_JNI(register_android_view_Surface),
REG_JNI(register_android_view_SurfaceControl),
REG_JNI(register_android_view_SurfaceSession),
REG_JNI(register_android_view_TextureView),
REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
REG_JNI(register_com_google_android_gles_jni_EGLImpl),
REG_JNI(register_com_google_android_gles_jni_GLImpl),
REG_JNI(register_android_opengl_jni_EGL14),
REG_JNI(register_android_opengl_jni_EGLExt),
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_opengl_jni_GLES30),
REG_JNI(register_android_opengl_jni_GLES31),
REG_JNI(register_android_opengl_jni_GLES31Ext),
REG_JNI(register_android_opengl_jni_GLES32),
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_CreateJavaOutputStreamAdaptor),
REG_JNI(register_android_graphics_CanvasProperty),
REG_JNI(register_android_graphics_ColorFilter),
REG_JNI(register_android_graphics_DrawFilter),
REG_JNI(register_android_graphics_FontFamily),
REG_JNI(register_android_graphics_GraphicBuffer),
REG_JNI(register_android_graphics_Interpolator),
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_Region),
REG_JNI(register_android_graphics_Shader),
REG_JNI(register_android_graphics_SurfaceTexture),
REG_JNI(register_android_graphics_Typeface),
REG_JNI(register_android_graphics_YuvImage),
REG_JNI(register_android_graphics_drawable_AnimatedVectorDrawable),
REG_JNI(register_android_graphics_drawable_VectorDrawable),
REG_JNI(register_android_graphics_pdf_PdfDocument),
REG_JNI(register_android_graphics_pdf_PdfEditor),
REG_JNI(register_android_graphics_pdf_PdfRenderer),
REG_JNI(register_android_database_CursorWindow),
REG_JNI(register_android_database_SQLiteConnection),
REG_JNI(register_android_database_SQLiteGlobal),
REG_JNI(register_android_database_SQLiteDebug),
REG_JNI(register_android_os_Debug),
REG_JNI(register_android_os_FileObserver),
REG_JNI(register_android_os_GraphicsEnvironment),
REG_JNI(register_android_os_MessageQueue),
REG_JNI(register_android_os_SELinux),
REG_JNI(register_android_os_seccomp),
REG_JNI(register_android_os_Trace),
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_os_MemoryFile),
REG_JNI(register_android_os_SharedMemory),
REG_JNI(register_com_android_internal_os_ClassLoaderFactory),
REG_JNI(register_com_android_internal_os_Zygote),
REG_JNI(register_com_android_internal_os_ZygoteInit),
REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
REG_JNI(register_android_hardware_Camera),
REG_JNI(register_android_hardware_camera2_CameraMetadata),
REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
REG_JNI(register_android_hardware_camera2_DngCreator),
REG_JNI(register_android_hardware_HardwareBuffer),
REG_JNI(register_android_hardware_SensorManager),
REG_JNI(register_android_hardware_SerialPort),
REG_JNI(register_android_hardware_SoundTrigger),
REG_JNI(register_android_hardware_UsbDevice),
REG_JNI(register_android_hardware_UsbDeviceConnection),
REG_JNI(register_android_hardware_UsbRequest),
REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
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_RemoteDisplay),
REG_JNI(register_android_media_ToneGenerator),
REG_JNI(register_android_opengl_classes),
REG_JNI(register_android_server_NetworkManagementSocketTagger),
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_backup_FullBackup),
REG_JNI(register_android_app_Activity),
REG_JNI(register_android_app_ActivityThread),
REG_JNI(register_android_app_ApplicationLoaders),
REG_JNI(register_android_app_NativeActivity),
REG_JNI(register_android_util_jar_StrictJarFile),
REG_JNI(register_android_view_InputChannel),
REG_JNI(register_android_view_InputEventReceiver),
REG_JNI(register_android_view_InputEventSender),
REG_JNI(register_android_view_InputQueue),
REG_JNI(register_android_view_KeyEvent),
REG_JNI(register_android_view_MotionEvent),
REG_JNI(register_android_view_PointerIcon),
REG_JNI(register_android_view_VelocityTracker),
REG_JNI(register_android_content_res_ObbScanner),
REG_JNI(register_android_content_res_Configuration),
REG_JNI(register_android_animation_PropertyValuesHolder),
REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
REG_JNI(register_com_android_internal_os_FuseAppLoop),
};
/*
* Register android native functions with the VM.
*/
/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
{
ATRACE_NAME("RegisterAndroidNatives");
/*
* 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);
ALOGV("--- 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 surface flinger's DdmConnection to register native methods from
* the framework.
*/
extern "C" jint registerFrameworkNatives(JNIEnv* env) {
return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
}
} // namespace android