blob: 3b3a1a3f9fd9d3434789db2d28b235d8612667db [file] [log] [blame]
/*
* Copyright (C) 2012 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.
*/
#include "well_known_classes.h"
#include <stdlib.h>
#include <sstream>
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include "base/enums.h"
#include "class_linker.h"
#include "entrypoints/quick/quick_entrypoints_enum.h"
#include "entrypoints/runtime_asm_entrypoints.h"
#include "hidden_api.h"
#include "jni/jni_internal.h"
#include "jni_id_type.h"
#include "mirror/class.h"
#include "mirror/throwable.h"
#include "nativehelper/scoped_local_ref.h"
#include "obj_ptr-inl.h"
#include "runtime.h"
#include "scoped_thread_state_change-inl.h"
#include "scoped_thread_state_change.h"
#include "thread-current-inl.h"
namespace art {
jclass WellKnownClasses::dalvik_annotation_optimization_CriticalNative;
jclass WellKnownClasses::dalvik_annotation_optimization_FastNative;
jclass WellKnownClasses::dalvik_system_BaseDexClassLoader;
jclass WellKnownClasses::dalvik_system_DelegateLastClassLoader;
jclass WellKnownClasses::dalvik_system_DexClassLoader;
jclass WellKnownClasses::dalvik_system_DexFile;
jclass WellKnownClasses::dalvik_system_DexPathList;
jclass WellKnownClasses::dalvik_system_DexPathList__Element;
jclass WellKnownClasses::dalvik_system_EmulatedStackFrame;
jclass WellKnownClasses::dalvik_system_InMemoryDexClassLoader;
jclass WellKnownClasses::dalvik_system_PathClassLoader;
jclass WellKnownClasses::dalvik_system_VMRuntime;
jclass WellKnownClasses::java_lang_annotation_Annotation__array;
jclass WellKnownClasses::java_lang_BootClassLoader;
jclass WellKnownClasses::java_lang_ClassLoader;
jclass WellKnownClasses::java_lang_ClassNotFoundException;
jclass WellKnownClasses::java_lang_Daemons;
jclass WellKnownClasses::java_lang_Error;
jclass WellKnownClasses::java_lang_IllegalAccessError;
jclass WellKnownClasses::java_lang_NoClassDefFoundError;
jclass WellKnownClasses::java_lang_Object;
jclass WellKnownClasses::java_lang_OutOfMemoryError;
jclass WellKnownClasses::java_lang_reflect_InvocationTargetException;
jclass WellKnownClasses::java_lang_reflect_Parameter;
jclass WellKnownClasses::java_lang_reflect_Parameter__array;
jclass WellKnownClasses::java_lang_reflect_Proxy;
jclass WellKnownClasses::java_lang_RuntimeException;
jclass WellKnownClasses::java_lang_StackOverflowError;
jclass WellKnownClasses::java_lang_String;
jclass WellKnownClasses::java_lang_StringFactory;
jclass WellKnownClasses::java_lang_System;
jclass WellKnownClasses::java_lang_Thread;
jclass WellKnownClasses::java_lang_ThreadGroup;
jclass WellKnownClasses::java_lang_Throwable;
jclass WellKnownClasses::java_lang_Void;
jclass WellKnownClasses::java_nio_Buffer;
jclass WellKnownClasses::java_nio_ByteBuffer;
jclass WellKnownClasses::java_nio_DirectByteBuffer;
jclass WellKnownClasses::java_util_Collections;
jclass WellKnownClasses::java_util_function_Consumer;
jclass WellKnownClasses::libcore_reflect_AnnotationFactory;
jclass WellKnownClasses::libcore_reflect_AnnotationMember;
jclass WellKnownClasses::libcore_util_EmptyArray;
jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk;
jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer;
jmethodID WellKnownClasses::dalvik_system_BaseDexClassLoader_getLdLibraryPath;
jmethodID WellKnownClasses::dalvik_system_VMRuntime_runFinalization;
jmethodID WellKnownClasses::dalvik_system_VMRuntime_hiddenApiUsed;
jmethodID WellKnownClasses::java_lang_Boolean_valueOf;
jmethodID WellKnownClasses::java_lang_Byte_valueOf;
jmethodID WellKnownClasses::java_lang_Character_valueOf;
jmethodID WellKnownClasses::java_lang_ClassLoader_loadClass;
jmethodID WellKnownClasses::java_lang_ClassNotFoundException_init;
jmethodID WellKnownClasses::java_lang_Daemons_start;
jmethodID WellKnownClasses::java_lang_Daemons_stop;
jmethodID WellKnownClasses::java_lang_Daemons_waitForDaemonStart;
jmethodID WellKnownClasses::java_lang_Double_doubleToRawLongBits;
jmethodID WellKnownClasses::java_lang_Double_valueOf;
jmethodID WellKnownClasses::java_lang_Float_floatToRawIntBits;
jmethodID WellKnownClasses::java_lang_Float_valueOf;
jmethodID WellKnownClasses::java_lang_Integer_valueOf;
jmethodID WellKnownClasses::java_lang_invoke_MethodHandles_lookup;
jmethodID WellKnownClasses::java_lang_invoke_MethodHandles_Lookup_findConstructor;
jmethodID WellKnownClasses::java_lang_Long_valueOf;
jmethodID WellKnownClasses::java_lang_ref_FinalizerReference_add;
jmethodID WellKnownClasses::java_lang_ref_ReferenceQueue_add;
jmethodID WellKnownClasses::java_lang_reflect_InvocationTargetException_init;
jmethodID WellKnownClasses::java_lang_reflect_Parameter_init;
jmethodID WellKnownClasses::java_lang_reflect_Proxy_init;
jmethodID WellKnownClasses::java_lang_reflect_Proxy_invoke;
jmethodID WellKnownClasses::java_lang_Runtime_nativeLoad;
jmethodID WellKnownClasses::java_lang_Short_valueOf;
jmethodID WellKnownClasses::java_lang_String_charAt;
jmethodID WellKnownClasses::java_lang_Thread_dispatchUncaughtException;
jmethodID WellKnownClasses::java_lang_Thread_init;
jmethodID WellKnownClasses::java_lang_Thread_run;
jmethodID WellKnownClasses::java_lang_ThreadGroup_add;
jmethodID WellKnownClasses::java_lang_ThreadGroup_removeThread;
jmethodID WellKnownClasses::java_nio_Buffer_isDirect;
jmethodID WellKnownClasses::java_nio_DirectByteBuffer_init;
jmethodID WellKnownClasses::java_util_function_Consumer_accept;
jmethodID WellKnownClasses::libcore_reflect_AnnotationFactory_createAnnotation;
jmethodID WellKnownClasses::libcore_reflect_AnnotationMember_init;
jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast;
jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch;
jfieldID WellKnownClasses::dalvik_system_DexFile_cookie;
jfieldID WellKnownClasses::dalvik_system_DexFile_fileName;
jfieldID WellKnownClasses::dalvik_system_BaseDexClassLoader_pathList;
jfieldID WellKnownClasses::dalvik_system_BaseDexClassLoader_sharedLibraryLoaders;
jfieldID WellKnownClasses::dalvik_system_DexPathList_dexElements;
jfieldID WellKnownClasses::dalvik_system_DexPathList__Element_dexFile;
jfieldID WellKnownClasses::dalvik_system_VMRuntime_nonSdkApiUsageConsumer;
jfieldID WellKnownClasses::java_io_FileDescriptor_descriptor;
jfieldID WellKnownClasses::java_lang_Thread_parkBlocker;
jfieldID WellKnownClasses::java_lang_Thread_daemon;
jfieldID WellKnownClasses::java_lang_Thread_group;
jfieldID WellKnownClasses::java_lang_Thread_lock;
jfieldID WellKnownClasses::java_lang_Thread_name;
jfieldID WellKnownClasses::java_lang_Thread_priority;
jfieldID WellKnownClasses::java_lang_Thread_nativePeer;
jfieldID WellKnownClasses::java_lang_Thread_systemDaemon;
jfieldID WellKnownClasses::java_lang_Thread_unparkedBeforeStart;
jfieldID WellKnownClasses::java_lang_ThreadGroup_groups;
jfieldID WellKnownClasses::java_lang_ThreadGroup_ngroups;
jfieldID WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup;
jfieldID WellKnownClasses::java_lang_ThreadGroup_name;
jfieldID WellKnownClasses::java_lang_ThreadGroup_parent;
jfieldID WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup;
jfieldID WellKnownClasses::java_lang_Throwable_cause;
jfieldID WellKnownClasses::java_lang_Throwable_detailMessage;
jfieldID WellKnownClasses::java_lang_Throwable_stackTrace;
jfieldID WellKnownClasses::java_lang_Throwable_stackState;
jfieldID WellKnownClasses::java_lang_Throwable_suppressedExceptions;
jfieldID WellKnownClasses::java_nio_Buffer_address;
jfieldID WellKnownClasses::java_nio_Buffer_capacity;
jfieldID WellKnownClasses::java_nio_Buffer_elementSizeShift;
jfieldID WellKnownClasses::java_nio_Buffer_limit;
jfieldID WellKnownClasses::java_nio_Buffer_position;
jfieldID WellKnownClasses::java_nio_ByteBuffer_address;
jfieldID WellKnownClasses::java_nio_ByteBuffer_hb;
jfieldID WellKnownClasses::java_nio_ByteBuffer_isReadOnly;
jfieldID WellKnownClasses::java_nio_ByteBuffer_limit;
jfieldID WellKnownClasses::java_nio_ByteBuffer_offset;
jfieldID WellKnownClasses::java_util_Collections_EMPTY_LIST;
jfieldID WellKnownClasses::libcore_util_EmptyArray_STACK_TRACE_ELEMENT;
jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data;
jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length;
jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset;
jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type;
static jclass CacheClass(JNIEnv* env, const char* jni_class_name) {
ScopedLocalRef<jclass> c(env, env->FindClass(jni_class_name));
if (c.get() == nullptr) {
LOG(FATAL) << "Couldn't find class: " << jni_class_name;
}
return reinterpret_cast<jclass>(env->NewGlobalRef(c.get()));
}
static jfieldID CacheField(JNIEnv* env, jclass c, bool is_static,
const char* name, const char* signature) {
jfieldID fid;
{
ScopedObjectAccess soa(env);
if (Runtime::Current()->GetJniIdType() != JniIdType::kSwapablePointer) {
fid = jni::EncodeArtField</*kEnableIndexIds*/ true>(
FindFieldJNI(soa, c, name, signature, is_static));
} else {
fid = jni::EncodeArtField</*kEnableIndexIds*/ false>(
FindFieldJNI(soa, c, name, signature, is_static));
}
}
if (fid == nullptr) {
ScopedObjectAccess soa(env);
if (soa.Self()->IsExceptionPending()) {
LOG(FATAL_WITHOUT_ABORT) << soa.Self()->GetException()->Dump();
}
std::ostringstream os;
WellKnownClasses::ToClass(c)->DumpClass(os, mirror::Class::kDumpClassFullDetail);
LOG(FATAL) << "Couldn't find field \"" << name << "\" with signature \"" << signature << "\": "
<< os.str();
}
return fid;
}
static jmethodID CacheMethod(JNIEnv* env, jclass c, bool is_static,
const char* name, const char* signature) {
jmethodID mid;
{
ScopedObjectAccess soa(env);
if (Runtime::Current()->GetJniIdType() != JniIdType::kSwapablePointer) {
mid = jni::EncodeArtMethod</*kEnableIndexIds*/ true>(
FindMethodJNI(soa, c, name, signature, is_static));
} else {
mid = jni::EncodeArtMethod</*kEnableIndexIds*/ false>(
FindMethodJNI(soa, c, name, signature, is_static));
}
}
if (mid == nullptr) {
ScopedObjectAccess soa(env);
if (soa.Self()->IsExceptionPending()) {
LOG(FATAL_WITHOUT_ABORT) << soa.Self()->GetException()->Dump();
}
std::ostringstream os;
WellKnownClasses::ToClass(c)->DumpClass(os, mirror::Class::kDumpClassFullDetail);
LOG(FATAL) << "Couldn't find method \"" << name << "\" with signature \"" << signature << "\": "
<< os.str();
}
return mid;
}
static jmethodID CacheMethod(JNIEnv* env, const char* klass, bool is_static,
const char* name, const char* signature) {
ScopedLocalRef<jclass> java_class(env, env->FindClass(klass));
return CacheMethod(env, java_class.get(), is_static, name, signature);
}
static jmethodID CachePrimitiveBoxingMethod(JNIEnv* env, char prim_name, const char* boxed_name) {
ScopedLocalRef<jclass> boxed_class(env, env->FindClass(boxed_name));
return CacheMethod(env, boxed_class.get(), true, "valueOf",
android::base::StringPrintf("(%c)L%s;", prim_name, boxed_name).c_str());
}
#define STRING_INIT_LIST(V) \
V(java_lang_String_init, "()V", newEmptyString, "newEmptyString", "()Ljava/lang/String;", NewEmptyString) \
V(java_lang_String_init_B, "([B)V", newStringFromBytes_B, "newStringFromBytes", "([B)Ljava/lang/String;", NewStringFromBytes_B) \
V(java_lang_String_init_BI, "([BI)V", newStringFromBytes_BI, "newStringFromBytes", "([BI)Ljava/lang/String;", NewStringFromBytes_BI) \
V(java_lang_String_init_BII, "([BII)V", newStringFromBytes_BII, "newStringFromBytes", "([BII)Ljava/lang/String;", NewStringFromBytes_BII) \
V(java_lang_String_init_BIII, "([BIII)V", newStringFromBytes_BIII, "newStringFromBytes", "([BIII)Ljava/lang/String;", NewStringFromBytes_BIII) \
V(java_lang_String_init_BIIString, "([BIILjava/lang/String;)V", newStringFromBytes_BIIString, "newStringFromBytes", "([BIILjava/lang/String;)Ljava/lang/String;", NewStringFromBytes_BIIString) \
V(java_lang_String_init_BString, "([BLjava/lang/String;)V", newStringFromBytes_BString, "newStringFromBytes", "([BLjava/lang/String;)Ljava/lang/String;", NewStringFromBytes_BString) \
V(java_lang_String_init_BIICharset, "([BIILjava/nio/charset/Charset;)V", newStringFromBytes_BIICharset, "newStringFromBytes", "([BIILjava/nio/charset/Charset;)Ljava/lang/String;", NewStringFromBytes_BIICharset) \
V(java_lang_String_init_BCharset, "([BLjava/nio/charset/Charset;)V", newStringFromBytes_BCharset, "newStringFromBytes", "([BLjava/nio/charset/Charset;)Ljava/lang/String;", NewStringFromBytes_BCharset) \
V(java_lang_String_init_C, "([C)V", newStringFromChars_C, "newStringFromChars", "([C)Ljava/lang/String;", NewStringFromChars_C) \
V(java_lang_String_init_CII, "([CII)V", newStringFromChars_CII, "newStringFromChars", "([CII)Ljava/lang/String;", NewStringFromChars_CII) \
V(java_lang_String_init_IIC, "(II[C)V", newStringFromChars_IIC, "newStringFromChars", "(II[C)Ljava/lang/String;", NewStringFromChars_IIC) \
V(java_lang_String_init_String, "(Ljava/lang/String;)V", newStringFromString, "newStringFromString", "(Ljava/lang/String;)Ljava/lang/String;", NewStringFromString) \
V(java_lang_String_init_StringBuffer, "(Ljava/lang/StringBuffer;)V", newStringFromStringBuffer, "newStringFromStringBuffer", "(Ljava/lang/StringBuffer;)Ljava/lang/String;", NewStringFromStringBuffer) \
V(java_lang_String_init_III, "([III)V", newStringFromCodePoints, "newStringFromCodePoints", "([III)Ljava/lang/String;", NewStringFromCodePoints) \
V(java_lang_String_init_StringBuilder, "(Ljava/lang/StringBuilder;)V", newStringFromStringBuilder, "newStringFromStringBuilder", "(Ljava/lang/StringBuilder;)Ljava/lang/String;", NewStringFromStringBuilder) \
#define STATIC_STRING_INIT(init_runtime_name, init_signature, new_runtime_name, ...) \
static ArtMethod* init_runtime_name = nullptr; \
static ArtMethod* new_runtime_name = nullptr;
STRING_INIT_LIST(STATIC_STRING_INIT)
#undef STATIC_STRING_INIT
void WellKnownClasses::InitStringInit(ObjPtr<mirror::Class> string_class,
ObjPtr<mirror::Class> string_builder_class) {
PointerSize p_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize();
auto find_method = [p_size](ObjPtr<mirror::Class> klass,
const char* name,
const char* sig,
bool expext_static) REQUIRES_SHARED(Locks::mutator_lock_) {
ArtMethod* ret = klass->FindClassMethod(name, sig, p_size);
CHECK(ret != nullptr);
CHECK_EQ(expext_static, ret->IsStatic());
return ret;
};
#define LOAD_STRING_INIT(init_runtime_name, init_signature, new_runtime_name, \
new_java_name, new_signature, ...) \
init_runtime_name = find_method(string_class, "<init>", init_signature, false); \
new_runtime_name = find_method(string_builder_class, new_java_name, new_signature, true);
STRING_INIT_LIST(LOAD_STRING_INIT)
#undef LOAD_STRING_INIT
}
void Thread::InitStringEntryPoints() {
QuickEntryPoints* qpoints = &tlsPtr_.quick_entrypoints;
#define SET_ENTRY_POINT(init_runtime_name, init_signature, new_runtime_name, \
new_java_name, new_signature, entry_point_name) \
DCHECK(!Runtime::Current()->IsStarted() || (new_runtime_name) != nullptr); \
qpoints->p ## entry_point_name = reinterpret_cast<void(*)()>(new_runtime_name);
STRING_INIT_LIST(SET_ENTRY_POINT)
#undef SET_ENTRY_POINT
}
ArtMethod* WellKnownClasses::StringInitToStringFactory(ArtMethod* string_init) {
#define TO_STRING_FACTORY(init_runtime_name, init_signature, new_runtime_name, \
new_java_name, new_signature, entry_point_name) \
DCHECK((init_runtime_name) != nullptr); \
if (string_init == (init_runtime_name)) { \
DCHECK((new_runtime_name) != nullptr); \
return (new_runtime_name); \
}
STRING_INIT_LIST(TO_STRING_FACTORY)
#undef TO_STRING_FACTORY
LOG(FATAL) << "Could not find StringFactory method for String.<init>";
UNREACHABLE();
}
uint32_t WellKnownClasses::StringInitToEntryPoint(ArtMethod* string_init) {
#define TO_ENTRY_POINT(init_runtime_name, init_signature, new_runtime_name, \
new_java_name, new_signature, entry_point_name) \
if (string_init == (init_runtime_name)) { \
return kQuick ## entry_point_name; \
}
STRING_INIT_LIST(TO_ENTRY_POINT)
#undef TO_ENTRY_POINT
LOG(FATAL) << "Could not find StringFactory method for String.<init>";
UNREACHABLE();
}
#undef STRING_INIT_LIST
void WellKnownClasses::Init(JNIEnv* env) {
hiddenapi::ScopedHiddenApiEnforcementPolicySetting hiddenapi_exemption(
hiddenapi::EnforcementPolicy::kDisabled);
dalvik_annotation_optimization_CriticalNative =
CacheClass(env, "dalvik/annotation/optimization/CriticalNative");
dalvik_annotation_optimization_FastNative = CacheClass(env, "dalvik/annotation/optimization/FastNative");
dalvik_system_BaseDexClassLoader = CacheClass(env, "dalvik/system/BaseDexClassLoader");
dalvik_system_DelegateLastClassLoader = CacheClass(env, "dalvik/system/DelegateLastClassLoader");
dalvik_system_DexClassLoader = CacheClass(env, "dalvik/system/DexClassLoader");
dalvik_system_DexFile = CacheClass(env, "dalvik/system/DexFile");
dalvik_system_DexPathList = CacheClass(env, "dalvik/system/DexPathList");
dalvik_system_DexPathList__Element = CacheClass(env, "dalvik/system/DexPathList$Element");
dalvik_system_EmulatedStackFrame = CacheClass(env, "dalvik/system/EmulatedStackFrame");
dalvik_system_InMemoryDexClassLoader = CacheClass(env, "dalvik/system/InMemoryDexClassLoader");
dalvik_system_PathClassLoader = CacheClass(env, "dalvik/system/PathClassLoader");
dalvik_system_VMRuntime = CacheClass(env, "dalvik/system/VMRuntime");
java_lang_annotation_Annotation__array = CacheClass(env, "[Ljava/lang/annotation/Annotation;");
java_lang_BootClassLoader = CacheClass(env, "java/lang/BootClassLoader");
java_lang_ClassLoader = CacheClass(env, "java/lang/ClassLoader");
java_lang_ClassNotFoundException = CacheClass(env, "java/lang/ClassNotFoundException");
java_lang_Daemons = CacheClass(env, "java/lang/Daemons");
java_lang_Object = CacheClass(env, "java/lang/Object");
java_lang_OutOfMemoryError = CacheClass(env, "java/lang/OutOfMemoryError");
java_lang_Error = CacheClass(env, "java/lang/Error");
java_lang_IllegalAccessError = CacheClass(env, "java/lang/IllegalAccessError");
java_lang_NoClassDefFoundError = CacheClass(env, "java/lang/NoClassDefFoundError");
java_lang_reflect_InvocationTargetException = CacheClass(env, "java/lang/reflect/InvocationTargetException");
java_lang_reflect_Parameter = CacheClass(env, "java/lang/reflect/Parameter");
java_lang_reflect_Parameter__array = CacheClass(env, "[Ljava/lang/reflect/Parameter;");
java_lang_reflect_Proxy = CacheClass(env, "java/lang/reflect/Proxy");
java_lang_RuntimeException = CacheClass(env, "java/lang/RuntimeException");
java_lang_StackOverflowError = CacheClass(env, "java/lang/StackOverflowError");
java_lang_String = CacheClass(env, "java/lang/String");
java_lang_StringFactory = CacheClass(env, "java/lang/StringFactory");
java_lang_System = CacheClass(env, "java/lang/System");
java_lang_Thread = CacheClass(env, "java/lang/Thread");
java_lang_ThreadGroup = CacheClass(env, "java/lang/ThreadGroup");
java_lang_Throwable = CacheClass(env, "java/lang/Throwable");
java_lang_Void = CacheClass(env, "java/lang/Void");
java_nio_Buffer = CacheClass(env, "java/nio/Buffer");
java_nio_ByteBuffer = CacheClass(env, "java/nio/ByteBuffer");
java_nio_DirectByteBuffer = CacheClass(env, "java/nio/DirectByteBuffer");
java_util_Collections = CacheClass(env, "java/util/Collections");
java_util_function_Consumer = CacheClass(env, "java/util/function/Consumer");
libcore_reflect_AnnotationFactory = CacheClass(env, "libcore/reflect/AnnotationFactory");
libcore_reflect_AnnotationMember = CacheClass(env, "libcore/reflect/AnnotationMember");
libcore_util_EmptyArray = CacheClass(env, "libcore/util/EmptyArray");
org_apache_harmony_dalvik_ddmc_Chunk = CacheClass(env, "org/apache/harmony/dalvik/ddmc/Chunk");
org_apache_harmony_dalvik_ddmc_DdmServer = CacheClass(env, "org/apache/harmony/dalvik/ddmc/DdmServer");
InitFieldsAndMethodsOnly(env);
}
void WellKnownClasses::InitFieldsAndMethodsOnly(JNIEnv* env) {
hiddenapi::ScopedHiddenApiEnforcementPolicySetting hiddenapi_exemption(
hiddenapi::EnforcementPolicy::kDisabled);
dalvik_system_BaseDexClassLoader_getLdLibraryPath = CacheMethod(env, dalvik_system_BaseDexClassLoader, false, "getLdLibraryPath", "()Ljava/lang/String;");
dalvik_system_VMRuntime_runFinalization = CacheMethod(env, dalvik_system_VMRuntime, true, "runFinalization", "(J)V");
dalvik_system_VMRuntime_hiddenApiUsed = CacheMethod(env, dalvik_system_VMRuntime, true, "hiddenApiUsed", "(ILjava/lang/String;Ljava/lang/String;IZ)V");
java_lang_ClassNotFoundException_init = CacheMethod(env, java_lang_ClassNotFoundException, false, "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V");
java_lang_ClassLoader_loadClass = CacheMethod(env, java_lang_ClassLoader, false, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
java_lang_Daemons_start = CacheMethod(env, java_lang_Daemons, true, "start", "()V");
java_lang_Daemons_stop = CacheMethod(env, java_lang_Daemons, true, "stop", "()V");
java_lang_Daemons_waitForDaemonStart = CacheMethod(env, java_lang_Daemons, true, "waitForDaemonStart", "()V");
java_lang_invoke_MethodHandles_lookup = CacheMethod(env, "java/lang/invoke/MethodHandles", true, "lookup", "()Ljava/lang/invoke/MethodHandles$Lookup;");
java_lang_invoke_MethodHandles_Lookup_findConstructor = CacheMethod(env, "java/lang/invoke/MethodHandles$Lookup", false, "findConstructor", "(Ljava/lang/Class;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/MethodHandle;");
java_lang_ref_FinalizerReference_add = CacheMethod(env, "java/lang/ref/FinalizerReference", true, "add", "(Ljava/lang/Object;)V");
java_lang_ref_ReferenceQueue_add = CacheMethod(env, "java/lang/ref/ReferenceQueue", true, "add", "(Ljava/lang/ref/Reference;)V");
java_lang_reflect_InvocationTargetException_init = CacheMethod(env, java_lang_reflect_InvocationTargetException, false, "<init>", "(Ljava/lang/Throwable;)V");
java_lang_reflect_Parameter_init = CacheMethod(env, java_lang_reflect_Parameter, false, "<init>", "(Ljava/lang/String;ILjava/lang/reflect/Executable;I)V");
java_lang_String_charAt = CacheMethod(env, java_lang_String, false, "charAt", "(I)C");
java_lang_Thread_dispatchUncaughtException = CacheMethod(env, java_lang_Thread, false, "dispatchUncaughtException", "(Ljava/lang/Throwable;)V");
java_lang_Thread_init = CacheMethod(env, java_lang_Thread, false, "<init>", "(Ljava/lang/ThreadGroup;Ljava/lang/String;IZ)V");
java_lang_Thread_run = CacheMethod(env, java_lang_Thread, false, "run", "()V");
java_lang_ThreadGroup_add = CacheMethod(env, java_lang_ThreadGroup, false, "add", "(Ljava/lang/Thread;)V");
java_lang_ThreadGroup_removeThread = CacheMethod(env, java_lang_ThreadGroup, false, "threadTerminated", "(Ljava/lang/Thread;)V");
java_nio_Buffer_isDirect = CacheMethod(env, java_nio_Buffer, false, "isDirect", "()Z");
java_nio_DirectByteBuffer_init = CacheMethod(env, java_nio_DirectByteBuffer, false, "<init>", "(JI)V");
java_util_function_Consumer_accept = CacheMethod(env, java_util_function_Consumer, false, "accept", "(Ljava/lang/Object;)V");
libcore_reflect_AnnotationFactory_createAnnotation = CacheMethod(env, libcore_reflect_AnnotationFactory, true, "createAnnotation", "(Ljava/lang/Class;[Llibcore/reflect/AnnotationMember;)Ljava/lang/annotation/Annotation;");
libcore_reflect_AnnotationMember_init = CacheMethod(env, libcore_reflect_AnnotationMember, false, "<init>", "(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/reflect/Method;)V");
org_apache_harmony_dalvik_ddmc_DdmServer_broadcast = CacheMethod(env, org_apache_harmony_dalvik_ddmc_DdmServer, true, "broadcast", "(I)V");
org_apache_harmony_dalvik_ddmc_DdmServer_dispatch = CacheMethod(env, org_apache_harmony_dalvik_ddmc_DdmServer, true, "dispatch", "(I[BII)Lorg/apache/harmony/dalvik/ddmc/Chunk;");
dalvik_system_BaseDexClassLoader_pathList = CacheField(env, dalvik_system_BaseDexClassLoader, false, "pathList", "Ldalvik/system/DexPathList;");
dalvik_system_BaseDexClassLoader_sharedLibraryLoaders = CacheField(env, dalvik_system_BaseDexClassLoader, false, "sharedLibraryLoaders", "[Ljava/lang/ClassLoader;");
dalvik_system_DexFile_cookie = CacheField(env, dalvik_system_DexFile, false, "mCookie", "Ljava/lang/Object;");
dalvik_system_DexFile_fileName = CacheField(env, dalvik_system_DexFile, false, "mFileName", "Ljava/lang/String;");
dalvik_system_DexPathList_dexElements = CacheField(env, dalvik_system_DexPathList, false, "dexElements", "[Ldalvik/system/DexPathList$Element;");
dalvik_system_DexPathList__Element_dexFile = CacheField(env, dalvik_system_DexPathList__Element, false, "dexFile", "Ldalvik/system/DexFile;");
dalvik_system_VMRuntime_nonSdkApiUsageConsumer = CacheField(env, dalvik_system_VMRuntime, true, "nonSdkApiUsageConsumer", "Ljava/util/function/Consumer;");
ScopedLocalRef<jclass> java_io_FileDescriptor(env, env->FindClass("java/io/FileDescriptor"));
java_io_FileDescriptor_descriptor = CacheField(env, java_io_FileDescriptor.get(), false, "descriptor", "I");
java_lang_Thread_parkBlocker = CacheField(env, java_lang_Thread, false, "parkBlocker", "Ljava/lang/Object;");
java_lang_Thread_daemon = CacheField(env, java_lang_Thread, false, "daemon", "Z");
java_lang_Thread_group = CacheField(env, java_lang_Thread, false, "group", "Ljava/lang/ThreadGroup;");
java_lang_Thread_lock = CacheField(env, java_lang_Thread, false, "lock", "Ljava/lang/Object;");
java_lang_Thread_name = CacheField(env, java_lang_Thread, false, "name", "Ljava/lang/String;");
java_lang_Thread_priority = CacheField(env, java_lang_Thread, false, "priority", "I");
java_lang_Thread_nativePeer = CacheField(env, java_lang_Thread, false, "nativePeer", "J");
java_lang_Thread_systemDaemon = CacheField(env, java_lang_Thread, false, "systemDaemon", "Z");
java_lang_Thread_unparkedBeforeStart = CacheField(env, java_lang_Thread, false, "unparkedBeforeStart", "Z");
java_lang_ThreadGroup_groups = CacheField(env, java_lang_ThreadGroup, false, "groups", "[Ljava/lang/ThreadGroup;");
java_lang_ThreadGroup_ngroups = CacheField(env, java_lang_ThreadGroup, false, "ngroups", "I");
java_lang_ThreadGroup_mainThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "mainThreadGroup", "Ljava/lang/ThreadGroup;");
java_lang_ThreadGroup_name = CacheField(env, java_lang_ThreadGroup, false, "name", "Ljava/lang/String;");
java_lang_ThreadGroup_parent = CacheField(env, java_lang_ThreadGroup, false, "parent", "Ljava/lang/ThreadGroup;");
java_lang_ThreadGroup_systemThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "systemThreadGroup", "Ljava/lang/ThreadGroup;");
java_lang_Throwable_cause = CacheField(env, java_lang_Throwable, false, "cause", "Ljava/lang/Throwable;");
java_lang_Throwable_detailMessage = CacheField(env, java_lang_Throwable, false, "detailMessage", "Ljava/lang/String;");
java_lang_Throwable_stackTrace = CacheField(env, java_lang_Throwable, false, "stackTrace", "[Ljava/lang/StackTraceElement;");
java_lang_Throwable_stackState = CacheField(env, java_lang_Throwable, false, "backtrace", "Ljava/lang/Object;");
java_lang_Throwable_suppressedExceptions = CacheField(env, java_lang_Throwable, false, "suppressedExceptions", "Ljava/util/List;");
java_nio_Buffer_address = CacheField(env, java_nio_Buffer, false, "address", "J");
java_nio_Buffer_capacity = CacheField(env, java_nio_Buffer, false, "capacity", "I");
java_nio_Buffer_elementSizeShift = CacheField(env, java_nio_Buffer, false, "_elementSizeShift", "I");
java_nio_Buffer_limit = CacheField(env, java_nio_Buffer, false, "limit", "I");
java_nio_Buffer_position = CacheField(env, java_nio_Buffer, false, "position", "I");
java_nio_ByteBuffer_address = CacheField(env, java_nio_ByteBuffer, false, "address", "J");
java_nio_ByteBuffer_hb = CacheField(env, java_nio_ByteBuffer, false, "hb", "[B");
java_nio_ByteBuffer_isReadOnly = CacheField(env, java_nio_ByteBuffer, false, "isReadOnly", "Z");
java_nio_ByteBuffer_limit = CacheField(env, java_nio_ByteBuffer, false, "limit", "I");
java_nio_ByteBuffer_offset = CacheField(env, java_nio_ByteBuffer, false, "offset", "I");
java_util_Collections_EMPTY_LIST = CacheField(env, java_util_Collections, true, "EMPTY_LIST", "Ljava/util/List;");
libcore_util_EmptyArray_STACK_TRACE_ELEMENT = CacheField(env, libcore_util_EmptyArray, true, "STACK_TRACE_ELEMENT", "[Ljava/lang/StackTraceElement;");
org_apache_harmony_dalvik_ddmc_Chunk_data = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "data", "[B");
org_apache_harmony_dalvik_ddmc_Chunk_length = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "length", "I");
org_apache_harmony_dalvik_ddmc_Chunk_offset = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "offset", "I");
org_apache_harmony_dalvik_ddmc_Chunk_type = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "type", "I");
java_lang_Boolean_valueOf = CachePrimitiveBoxingMethod(env, 'Z', "java/lang/Boolean");
java_lang_Byte_valueOf = CachePrimitiveBoxingMethod(env, 'B', "java/lang/Byte");
java_lang_Character_valueOf = CachePrimitiveBoxingMethod(env, 'C', "java/lang/Character");
java_lang_Double_valueOf = CachePrimitiveBoxingMethod(env, 'D', "java/lang/Double");
java_lang_Float_valueOf = CachePrimitiveBoxingMethod(env, 'F', "java/lang/Float");
java_lang_Integer_valueOf = CachePrimitiveBoxingMethod(env, 'I', "java/lang/Integer");
java_lang_Long_valueOf = CachePrimitiveBoxingMethod(env, 'J', "java/lang/Long");
java_lang_Short_valueOf = CachePrimitiveBoxingMethod(env, 'S', "java/lang/Short");
java_lang_Double_doubleToRawLongBits =
CacheMethod(env, "java/lang/Double", /*is_static=*/ true, "doubleToRawLongBits", "(D)J");
java_lang_Float_floatToRawIntBits =
CacheMethod(env, "java/lang/Float", /*is_static=*/ true, "floatToRawIntBits", "(F)I");
}
void WellKnownClasses::LateInit(JNIEnv* env) {
// CacheField and CacheMethod will initialize their classes. Classes below
// have clinit sections that call JNI methods. Late init is required
// to make sure these JNI methods are available.
ScopedLocalRef<jclass> java_lang_Runtime(env, env->FindClass("java/lang/Runtime"));
java_lang_Runtime_nativeLoad =
CacheMethod(env, java_lang_Runtime.get(), true, "nativeLoad",
"(Ljava/lang/String;Ljava/lang/ClassLoader;Ljava/lang/Class;)"
"Ljava/lang/String;");
java_lang_reflect_Proxy_init =
CacheMethod(env, java_lang_reflect_Proxy, false, "<init>",
"(Ljava/lang/reflect/InvocationHandler;)V");
// This invariant is important since otherwise we will have the entire proxy invoke system
// confused.
DCHECK_NE(
jni::DecodeArtMethod(java_lang_reflect_Proxy_init)->GetEntryPointFromQuickCompiledCode(),
GetQuickInstrumentationEntryPoint());
java_lang_reflect_Proxy_invoke =
CacheMethod(env, java_lang_reflect_Proxy, true, "invoke",
"(Ljava/lang/reflect/Proxy;Ljava/lang/reflect/Method;"
"[Ljava/lang/Object;)Ljava/lang/Object;");
}
void WellKnownClasses::HandleJniIdTypeChange(JNIEnv* env) {
WellKnownClasses::InitFieldsAndMethodsOnly(env);
WellKnownClasses::LateInit(env);
}
void WellKnownClasses::Clear() {
dalvik_annotation_optimization_CriticalNative = nullptr;
dalvik_annotation_optimization_FastNative = nullptr;
dalvik_system_BaseDexClassLoader = nullptr;
dalvik_system_DelegateLastClassLoader = nullptr;
dalvik_system_DexClassLoader = nullptr;
dalvik_system_DexFile = nullptr;
dalvik_system_DexPathList = nullptr;
dalvik_system_DexPathList__Element = nullptr;
dalvik_system_EmulatedStackFrame = nullptr;
dalvik_system_PathClassLoader = nullptr;
dalvik_system_VMRuntime = nullptr;
java_lang_annotation_Annotation__array = nullptr;
java_lang_BootClassLoader = nullptr;
java_lang_ClassLoader = nullptr;
java_lang_ClassNotFoundException = nullptr;
java_lang_Daemons = nullptr;
java_lang_Error = nullptr;
java_lang_IllegalAccessError = nullptr;
java_lang_NoClassDefFoundError = nullptr;
java_lang_Object = nullptr;
java_lang_OutOfMemoryError = nullptr;
java_lang_reflect_InvocationTargetException = nullptr;
java_lang_reflect_Parameter = nullptr;
java_lang_reflect_Parameter__array = nullptr;
java_lang_reflect_Proxy = nullptr;
java_lang_RuntimeException = nullptr;
java_lang_StackOverflowError = nullptr;
java_lang_String = nullptr;
java_lang_StringFactory = nullptr;
java_lang_System = nullptr;
java_lang_Thread = nullptr;
java_lang_ThreadGroup = nullptr;
java_lang_Throwable = nullptr;
java_lang_Void = nullptr;
java_util_Collections = nullptr;
java_nio_Buffer = nullptr;
java_nio_ByteBuffer = nullptr;
java_nio_DirectByteBuffer = nullptr;
libcore_reflect_AnnotationFactory = nullptr;
libcore_reflect_AnnotationMember = nullptr;
libcore_util_EmptyArray = nullptr;
org_apache_harmony_dalvik_ddmc_Chunk = nullptr;
org_apache_harmony_dalvik_ddmc_DdmServer = nullptr;
dalvik_system_BaseDexClassLoader_getLdLibraryPath = nullptr;
dalvik_system_VMRuntime_runFinalization = nullptr;
dalvik_system_VMRuntime_hiddenApiUsed = nullptr;
java_io_FileDescriptor_descriptor = nullptr;
java_lang_Boolean_valueOf = nullptr;
java_lang_Byte_valueOf = nullptr;
java_lang_Character_valueOf = nullptr;
java_lang_ClassLoader_loadClass = nullptr;
java_lang_ClassNotFoundException_init = nullptr;
java_lang_Daemons_start = nullptr;
java_lang_Daemons_stop = nullptr;
java_lang_Double_doubleToRawLongBits = nullptr;
java_lang_Double_valueOf = nullptr;
java_lang_Float_floatToRawIntBits = nullptr;
java_lang_Float_valueOf = nullptr;
java_lang_Integer_valueOf = nullptr;
java_lang_invoke_MethodHandles_lookup = nullptr;
java_lang_invoke_MethodHandles_Lookup_findConstructor = nullptr;
java_lang_Long_valueOf = nullptr;
java_lang_ref_FinalizerReference_add = nullptr;
java_lang_ref_ReferenceQueue_add = nullptr;
java_lang_reflect_InvocationTargetException_init = nullptr;
java_lang_reflect_Parameter_init = nullptr;
java_lang_reflect_Proxy_init = nullptr;
java_lang_reflect_Proxy_invoke = nullptr;
java_lang_Runtime_nativeLoad = nullptr;
java_lang_Short_valueOf = nullptr;
java_lang_String_charAt = nullptr;
java_lang_Thread_dispatchUncaughtException = nullptr;
java_lang_Thread_init = nullptr;
java_lang_Thread_run = nullptr;
java_lang_ThreadGroup_add = nullptr;
java_lang_ThreadGroup_removeThread = nullptr;
java_nio_Buffer_isDirect = nullptr;
java_nio_DirectByteBuffer_init = nullptr;
libcore_reflect_AnnotationFactory_createAnnotation = nullptr;
libcore_reflect_AnnotationMember_init = nullptr;
org_apache_harmony_dalvik_ddmc_DdmServer_broadcast = nullptr;
org_apache_harmony_dalvik_ddmc_DdmServer_dispatch = nullptr;
dalvik_system_BaseDexClassLoader_pathList = nullptr;
dalvik_system_DexFile_cookie = nullptr;
dalvik_system_DexFile_fileName = nullptr;
dalvik_system_DexPathList_dexElements = nullptr;
dalvik_system_DexPathList__Element_dexFile = nullptr;
dalvik_system_VMRuntime_nonSdkApiUsageConsumer = nullptr;
java_lang_Thread_parkBlocker = nullptr;
java_lang_Thread_daemon = nullptr;
java_lang_Thread_group = nullptr;
java_lang_Thread_lock = nullptr;
java_lang_Thread_name = nullptr;
java_lang_Thread_priority = nullptr;
java_lang_Thread_nativePeer = nullptr;
java_lang_ThreadGroup_groups = nullptr;
java_lang_ThreadGroup_ngroups = nullptr;
java_lang_ThreadGroup_mainThreadGroup = nullptr;
java_lang_ThreadGroup_name = nullptr;
java_lang_ThreadGroup_parent = nullptr;
java_lang_ThreadGroup_systemThreadGroup = nullptr;
java_lang_Throwable_cause = nullptr;
java_lang_Throwable_detailMessage = nullptr;
java_lang_Throwable_stackTrace = nullptr;
java_lang_Throwable_stackState = nullptr;
java_lang_Throwable_suppressedExceptions = nullptr;
java_nio_Buffer_address = nullptr;
java_nio_Buffer_elementSizeShift = nullptr;
java_nio_Buffer_limit = nullptr;
java_nio_Buffer_position = nullptr;
java_nio_ByteBuffer_address = nullptr;
java_nio_ByteBuffer_hb = nullptr;
java_nio_ByteBuffer_isReadOnly = nullptr;
java_nio_ByteBuffer_limit = nullptr;
java_nio_ByteBuffer_offset = nullptr;
java_util_Collections_EMPTY_LIST = nullptr;
libcore_util_EmptyArray_STACK_TRACE_ELEMENT = nullptr;
org_apache_harmony_dalvik_ddmc_Chunk_data = nullptr;
org_apache_harmony_dalvik_ddmc_Chunk_length = nullptr;
org_apache_harmony_dalvik_ddmc_Chunk_offset = nullptr;
org_apache_harmony_dalvik_ddmc_Chunk_type = nullptr;
}
ObjPtr<mirror::Class> WellKnownClasses::ToClass(jclass global_jclass) {
auto ret = ObjPtr<mirror::Class>::DownCast(Thread::Current()->DecodeJObject(global_jclass));
DCHECK(!ret.IsNull());
return ret;
}
} // namespace art