Update definition and loading of host libandroid_runtime (7aa5cfb4) · Commits · e / os / android_frameworks_base

core/jni/Android.bp

+15 −3

Original line number	Diff line number	Diff line
		@@ -64,7 +64,6 @@ cc_library_shared {
		"libbase",
		"libcutils",
		"libharfbuzz_ng",
		"libhwui",
		"liblog",
		"libminikin",
		"libz",
		@@ -266,6 +265,7 @@ cc_library_shared {
		"libui",
		"libgraphicsenv",
		"libgui",
		"libhwui",
		"libmediandk",
		"libpermission",
		"libsensor",
		@@ -344,9 +344,21 @@ cc_library_shared {
		],
		static_libs: [
		"libandroidfw",
		"libcompiler_rt",
		"libutils",
		"libbinary_parse",
		"libdng_sdk",
		"libft2",
		"libhostgraphics",
		"libhwui",
		"libimage_type_recognition",
		"libjpeg",
		"libpiex",
		"libpng",
		"libtiff_directory",
		"libui-types",
		"libutils",
		"libwebp-decode",
		"libwebp-encode",
		"libwuffs_mirror_release_c",
		],
		},
		linux_glibc: {

core/jni/LayoutlibLoader.cpp

+250 −44

Original line number	Diff line number	Diff line
		@@ -14,15 +14,31 @@
		* limitations under the License.
		*/

		#include "jni.h"
		#include "core_jni_helpers.h"

		#include <android-base/logging.h>
		#include <android-base/properties.h>
		#include <android/graphics/jni_runtime.h>
		#include <nativehelper/JNIHelp.h>
		#include <nativehelper/jni_macros.h>
		#include <unicode/putil.h>
		#include <unicode/udata.h>

		#include <clocale>
		#include <sstream>
		#include <unordered_map>
		#include <vector>

		#include "core_jni_helpers.h"
		#include "jni.h"
		#ifdef _WIN32
		#include <windows.h>
		#else
		#include <fcntl.h>
		#include <sys/mman.h>
		#include <sys/stat.h>
		#endif

		#include <iostream>

		using namespace std;

		/*
		@@ -33,6 +49,33 @@ using namespace std;
		*/

		static JavaVM* javaVM;
		static jclass bridge;
		static jclass layoutLog;
		static jmethodID getLogId;
		static jmethodID logMethodId;

		extern int register_android_os_Binder(JNIEnv* env);
		extern int register_libcore_util_NativeAllocationRegistry_Delegate(JNIEnv* env);

		typedef void (FreeFunction)(void);

		static void NativeAllocationRegistry_Delegate_nativeApplyFreeFunction(JNIEnv*, jclass,
		jlong freeFunction,
		jlong ptr) {
		void* nativePtr = reinterpret_cast<void*>(static_cast<uintptr_t>(ptr));
		FreeFunction nativeFreeFunction =
		reinterpret_cast<FreeFunction>(static_cast<uintptr_t>(freeFunction));
		nativeFreeFunction(nativePtr);
		}

		static JNINativeMethod gMethods[] = {
		NATIVE_METHOD(NativeAllocationRegistry_Delegate, nativeApplyFreeFunction, "(JJ)V"),
		};

		int register_libcore_util_NativeAllocationRegistry_Delegate(JNIEnv* env) {
		return jniRegisterNativeMethods(env, "libcore/util/NativeAllocationRegistry_Delegate", gMethods,
		NELEM(gMethods));
		}

		namespace android {

		@@ -47,6 +90,7 @@ extern int register_android_database_SQLiteGlobal(JNIEnv* env);
		extern int register_android_database_SQLiteDebug(JNIEnv* env);
		extern int register_android_os_FileObserver(JNIEnv* env);
		extern int register_android_os_MessageQueue(JNIEnv* env);
		extern int register_android_os_Parcel(JNIEnv* env);
		extern int register_android_os_SystemClock(JNIEnv* env);
		extern int register_android_os_SystemProperties(JNIEnv* env);
		extern int register_android_os_Trace(JNIEnv* env);
		@@ -54,6 +98,11 @@ extern int register_android_text_AndroidCharacter(JNIEnv* env);
		extern int register_android_util_EventLog(JNIEnv* env);
		extern int register_android_util_Log(JNIEnv* env);
		extern int register_android_util_jar_StrictJarFile(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_ThreadedRenderer(JNIEnv* env);
		extern int register_android_view_VelocityTracker(JNIEnv* env);
		extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);

		#define REG_JNI(name) { name }
		@@ -78,8 +127,10 @@ static const std::unordered_map<std::string, RegJNIRec> gRegJNIMap = {
		{"android.content.res.StringBlock", REG_JNI(register_android_content_StringBlock)},
		{"android.content.res.XmlBlock", REG_JNI(register_android_content_XmlBlock)},
		#ifdef __linux__
		{"android.os.Binder", REG_JNI(register_android_os_Binder)},
		{"android.os.FileObserver", REG_JNI(register_android_os_FileObserver)},
		{"android.os.MessageQueue", REG_JNI(register_android_os_MessageQueue)},
		{"android.os.Parcel", REG_JNI(register_android_os_Parcel)},
		#endif
		{"android.os.SystemClock", REG_JNI(register_android_os_SystemClock)},
		{"android.os.SystemProperties", REG_JNI(register_android_os_SystemProperties)},
		@@ -88,11 +139,15 @@ static const std::unordered_map<std::string, RegJNIRec> gRegJNIMap = {
		{"android.util.EventLog", REG_JNI(register_android_util_EventLog)},
		{"android.util.Log", REG_JNI(register_android_util_Log)},
		{"android.util.jar.StrictJarFile", REG_JNI(register_android_util_jar_StrictJarFile)},
		{"android.view.KeyCharacterMap", REG_JNI(register_android_view_KeyCharacterMap)},
		{"android.view.KeyEvent", REG_JNI(register_android_view_KeyEvent)},
		{"android.view.MotionEvent", REG_JNI(register_android_view_MotionEvent)},
		{"android.view.VelocityTracker", REG_JNI(register_android_view_VelocityTracker)},
		{"com.android.internal.util.VirtualRefBasePtr",
		REG_JNI(register_com_android_internal_util_VirtualRefBasePtr)},
		{"libcore.util.NativeAllocationRegistry_Delegate",
		REG_JNI(register_libcore_util_NativeAllocationRegistry_Delegate)},
		};
		// Vector to store the names of classes that need delegates of their native methods
		static vector<string> classesToDelegate;

		static int register_jni_procs(const std::unordered_map<std::string, RegJNIRec>& jniRegMap,
		const vector<string>& classesToRegister, JNIEnv* env) {
		@@ -102,36 +157,17 @@ static int register_jni_procs(const std::unordered_map<std::string, RegJNIRec>&
		return -1;
		}
		}

		if (register_android_graphics_classes(env) < 0) {
		return -1;
		}

		return 0;
		}

		int AndroidRuntime::registerNativeMethods(JNIEnv* env,
		const char* className, const JNINativeMethod* gMethods, int numMethods) {
		string classNameString = string(className);
		if (find(classesToDelegate.begin(), classesToDelegate.end(), classNameString)
		!= classesToDelegate.end()) {
		// Register native methods to the delegate class <classNameString>_NativeDelegate
		// by adding _Original to the name of each method.
		replace(classNameString.begin(), classNameString.end(), '$', '_');
		string delegateClassName = classNameString + "_NativeDelegate";
		jclass clazz = env->FindClass(delegateClassName.c_str());
		JNINativeMethod gTypefaceDelegateMethods[numMethods];
		for (int i = 0; i < numMethods; i++) {
		JNINativeMethod gTypefaceMethod = gMethods[i];
		string newName = string(gTypefaceMethod.name) + "_Original";
		gTypefaceDelegateMethods[i].name = strdup(newName.c_str());
		gTypefaceDelegateMethods[i].signature = gTypefaceMethod.signature;
		gTypefaceDelegateMethods[i].fnPtr = gTypefaceMethod.fnPtr;
		}
		int result = env->RegisterNatives(clazz, gTypefaceDelegateMethods, numMethods);
		for (int i = 0; i < numMethods; i++) {
		free((char*)gTypefaceDelegateMethods[i].name);
		}
		return result;
		}

		jclass clazz = env->FindClass(className);
		return env->RegisterNatives(clazz, gMethods, numMethods);
		return jniRegisterNativeMethods(env, className, gMethods, numMethods);
		}

		JNIEnv* AndroidRuntime::getJNIEnv() {
		@@ -164,6 +200,125 @@ static vector<string> parseCsv(JNIEnv* env, jstring csvJString) {
		return result;
		}

		void LayoutlibLogger(base::LogId, base::LogSeverity severity, const char* tag, const char* file,
		unsigned int line, const char* message) {
		JNIEnv* env = AndroidRuntime::getJNIEnv();
		jint logPrio = severity;
		jstring tagString = env->NewStringUTF(tag);
		jstring messageString = env->NewStringUTF(message);

		jobject bridgeLog = env->CallStaticObjectMethod(bridge, getLogId);

		env->CallVoidMethod(bridgeLog, logMethodId, logPrio, tagString, messageString);

		env->DeleteLocalRef(tagString);
		env->DeleteLocalRef(messageString);
		env->DeleteLocalRef(bridgeLog);
		}

		void LayoutlibAborter(const char* abort_message) {
		// Layoutlib should not call abort() as it would terminate Studio.
		// Throw an exception back to Java instead.
		JNIEnv* env = AndroidRuntime::getJNIEnv();
		jniThrowRuntimeException(env, "The Android framework has encountered a fatal error");
		}

		// This method has been copied/adapted from system/core/init/property_service.cpp
		// If the ro.product.cpu.abilist* properties have not been explicitly
		// set, derive them from ro.system.product.cpu.abilist* properties.
		static void property_initialize_ro_cpu_abilist() {
		const std::string EMPTY = "";
		const char* kAbilistProp = "ro.product.cpu.abilist";
		const char* kAbilist32Prop = "ro.product.cpu.abilist32";
		const char* kAbilist64Prop = "ro.product.cpu.abilist64";

		// If the properties are defined explicitly, just use them.
		if (base::GetProperty(kAbilistProp, EMPTY) != EMPTY) {
		return;
		}

		std::string abilist32_prop_val;
		std::string abilist64_prop_val;
		const auto abilist32_prop = "ro.system.product.cpu.abilist32";
		const auto abilist64_prop = "ro.system.product.cpu.abilist64";
		abilist32_prop_val = base::GetProperty(abilist32_prop, EMPTY);
		abilist64_prop_val = base::GetProperty(abilist64_prop, EMPTY);

		// Merge ABI lists for ro.product.cpu.abilist
		auto abilist_prop_val = abilist64_prop_val;
		if (abilist32_prop_val != EMPTY) {
		if (abilist_prop_val != EMPTY) {
		abilist_prop_val += ",";
		}
		abilist_prop_val += abilist32_prop_val;
		}

		// Set these properties
		const std::pair<const char*, const std::string&> set_prop_list[] = {
		{kAbilistProp, abilist_prop_val},
		{kAbilist32Prop, abilist32_prop_val},
		{kAbilist64Prop, abilist64_prop_val},
		};
		for (const auto& [prop, prop_val] : set_prop_list) {
		base::SetProperty(prop, prop_val);
		}
		}

		static void* mmapFile(const char* dataFilePath) {
		#ifdef _WIN32
		// Windows needs file path in wide chars to handle unicode file paths
		int size = MultiByteToWideChar(CP_UTF8, 0, dataFilePath, -1, NULL, 0);
		std::vector<wchar_t> wideDataFilePath(size);
		MultiByteToWideChar(CP_UTF8, 0, dataFilePath, -1, wideDataFilePath.data(), size);
		HANDLE file =
		CreateFileW(wideDataFilePath.data(), GENERIC_READ, FILE_SHARE_READ, nullptr,
		OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL \| FILE_FLAG_RANDOM_ACCESS, nullptr);
		if ((HANDLE)INVALID_HANDLE_VALUE == file) {
		return nullptr;
		}

		struct CloseHandleWrapper {
		void operator()(HANDLE h) { CloseHandle(h); }
		};
		std::unique_ptr<void, CloseHandleWrapper> mmapHandle(
		CreateFileMapping(file, nullptr, PAGE_READONLY, 0, 0, nullptr));
		if (!mmapHandle) {
		return nullptr;
		}
		return MapViewOfFile(mmapHandle.get(), FILE_MAP_READ, 0, 0, 0);
		#else
		int fd = open(dataFilePath, O_RDONLY);
		if (fd == -1) {
		return nullptr;
		}

		struct stat sb;
		if (fstat(fd, &sb) == -1) {
		close(fd);
		return nullptr;
		}

		void* addr = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
		if (addr == MAP_FAILED) {
		close(fd);
		return nullptr;
		}

		close(fd);
		return addr;
		#endif
		}

		static bool init_icu(const char* dataPath) {
		void* addr = mmapFile(dataPath);
		UErrorCode err = U_ZERO_ERROR;
		udata_setCommonData(addr, &err);
		if (err != U_ZERO_ERROR) {
		return false;
		}
		return true;
		}

		} // namespace android

		using namespace android;
		@@ -175,37 +330,82 @@ JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void*) {
		return JNI_ERR;
		}

		init_android_graphics();

		// Configuration is stored as java System properties.
		// Get a reference to System.getProperty
		jclass system = FindClassOrDie(env, "java/lang/System");
		jmethodID getPropertyMethod = GetStaticMethodIDOrDie(env, system, "getProperty",
		"(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;");

		// Get the names of classes that have to delegate their native methods
		auto delegateNativesToNativesString =
		(jstring) env->CallStaticObjectMethod(system,
		getPropertyMethod, env->NewStringUTF("delegate_natives_to_natives"),
		env->NewStringUTF(""));
		classesToDelegate = parseCsv(env, delegateNativesToNativesString);

		// Get the names of classes that need to register their native methods
		auto nativesClassesJString =
		(jstring) env->CallStaticObjectMethod(system,
		getPropertyMethod, env->NewStringUTF("native_classes"),
		(jstring)env->CallStaticObjectMethod(system, getPropertyMethod,
		env->NewStringUTF("core_native_classes"),
		env->NewStringUTF(""));
		vector<string> classesToRegister = parseCsv(env, nativesClassesJString);

		jstring registerProperty =
		(jstring)env->CallStaticObjectMethod(system, getPropertyMethod,
		env->NewStringUTF(
		"register_properties_during_load"),
		env->NewStringUTF(""));
		const char* registerPropertyString = env->GetStringUTFChars(registerProperty, 0);
		if (strcmp(registerPropertyString, "true") == 0) {
		// Set the system properties first as they could be used in the static initialization of
		// other classes
		if (register_android_os_SystemProperties(env) < 0) {
		return JNI_ERR;
		}
		classesToRegister.erase(find(classesToRegister.begin(), classesToRegister.end(),
		"android.os.SystemProperties"));
		bridge = FindClassOrDie(env, "com/android/layoutlib/bridge/Bridge");
		bridge = MakeGlobalRefOrDie(env, bridge);
		jmethodID setSystemPropertiesMethod =
		GetStaticMethodIDOrDie(env, bridge, "setSystemProperties", "()V");
		env->CallStaticVoidMethod(bridge, setSystemPropertiesMethod);
		property_initialize_ro_cpu_abilist();
		}
		env->ReleaseStringUTFChars(registerProperty, registerPropertyString);

		if (register_jni_procs(gRegJNIMap, classesToRegister, env) < 0) {
		return JNI_ERR;
		}

		// Set the location of ICU data
		auto stringPath = (jstring) env->CallStaticObjectMethod(system,
		getPropertyMethod, env->NewStringUTF("icu.dir"),
		auto stringPath = (jstring)env->CallStaticObjectMethod(system, getPropertyMethod,
		env->NewStringUTF("icu.data.path"),
		env->NewStringUTF(""));
		const char* path = env->GetStringUTFChars(stringPath, 0);
		u_setDataDirectory(path);
		bool icuInitialized = init_icu(path);
		env->ReleaseStringUTFChars(stringPath, path);
		if (!icuInitialized) {
		return JNI_ERR;
		}

		jstring useJniProperty =
		(jstring)env->CallStaticObjectMethod(system, getPropertyMethod,
		env->NewStringUTF("use_bridge_for_logging"),
		env->NewStringUTF(""));
		const char* useJniString = env->GetStringUTFChars(useJniProperty, 0);
		if (strcmp(useJniString, "true") == 0) {
		layoutLog = FindClassOrDie(env, "com/android/ide/common/rendering/api/ILayoutLog");
		layoutLog = MakeGlobalRefOrDie(env, layoutLog);
		logMethodId = GetMethodIDOrDie(env, layoutLog, "logAndroidFramework",
		"(ILjava/lang/String;Ljava/lang/String;)V");
		if (bridge == nullptr) {
		bridge = FindClassOrDie(env, "com/android/layoutlib/bridge/Bridge");
		bridge = MakeGlobalRefOrDie(env, bridge);
		}
		getLogId = GetStaticMethodIDOrDie(env, bridge, "getLog",
		"()Lcom/android/ide/common/rendering/api/ILayoutLog;");
		android::base::SetLogger(LayoutlibLogger);
		android::base::SetAborter(LayoutlibAborter);
		} else {
		// initialize logging, so ANDROD_LOG_TAGS env variable is respected
		android::base::InitLogging(nullptr, android::base::StderrLogger);
		}
		env->ReleaseStringUTFChars(useJniProperty, useJniString);

		// Use English locale for number format to ensure correct parsing of floats when using strtof
		setlocale(LC_NUMERIC, "en_US.UTF-8");
		@@ -213,3 +413,9 @@ JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void*) {
		return JNI_VERSION_1_6;
		}

		JNIEXPORT void JNI_OnUnload(JavaVM* vm, void*) {
		JNIEnv* env = nullptr;
		vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6);
		env->DeleteGlobalRef(bridge);
		env->DeleteGlobalRef(layoutLog);
		}