1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "well_known_classes.h"
18
19#include <stdlib.h>
20
21#include <sstream>
22
23#include "base/logging.h"
24#include "mirror/class.h"
25#include "mirror/throwable.h"
26#include "ScopedLocalRef.h"
27#include "scoped_thread_state_change.h"
28#include "thread-inl.h"
29
30namespace art {
31
32jclass WellKnownClasses::com_android_dex_Dex;
33jclass WellKnownClasses::dalvik_system_DexFile;
34jclass WellKnownClasses::dalvik_system_DexPathList;
35jclass WellKnownClasses::dalvik_system_DexPathList__Element;
36jclass WellKnownClasses::dalvik_system_PathClassLoader;
37jclass WellKnownClasses::dalvik_system_VMRuntime;
38jclass WellKnownClasses::java_lang_annotation_Annotation__array;
39jclass WellKnownClasses::java_lang_BootClassLoader;
40jclass WellKnownClasses::java_lang_ClassLoader;
41jclass WellKnownClasses::java_lang_ClassNotFoundException;
42jclass WellKnownClasses::java_lang_Daemons;
43jclass WellKnownClasses::java_lang_Error;
44jclass WellKnownClasses::java_lang_ExceptionInInitializerError;
45jclass WellKnownClasses::java_lang_IllegalAccessError;
46jclass WellKnownClasses::java_lang_NoClassDefFoundError;
47jclass WellKnownClasses::java_lang_Object;
48jclass WellKnownClasses::java_lang_OutOfMemoryError;
49jclass WellKnownClasses::java_lang_reflect_AbstractMethod;
50jclass WellKnownClasses::java_lang_reflect_Constructor;
51jclass WellKnownClasses::java_lang_reflect_Field;
52jclass WellKnownClasses::java_lang_reflect_Method;
53jclass WellKnownClasses::java_lang_reflect_Proxy;
54jclass WellKnownClasses::java_lang_RuntimeException;
55jclass WellKnownClasses::java_lang_StackOverflowError;
56jclass WellKnownClasses::java_lang_String;
57jclass WellKnownClasses::java_lang_StringFactory;
58jclass WellKnownClasses::java_lang_System;
59jclass WellKnownClasses::java_lang_Thread;
60jclass WellKnownClasses::java_lang_Thread__UncaughtExceptionHandler;
61jclass WellKnownClasses::java_lang_ThreadGroup;
62jclass WellKnownClasses::java_lang_Throwable;
63jclass WellKnownClasses::java_nio_DirectByteBuffer;
64jclass WellKnownClasses::java_util_ArrayList;
65jclass WellKnownClasses::java_util_Collections;
66jclass WellKnownClasses::libcore_reflect_AnnotationFactory;
67jclass WellKnownClasses::libcore_reflect_AnnotationMember;
68jclass WellKnownClasses::libcore_util_EmptyArray;
69jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk;
70jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer;
71
72jmethodID WellKnownClasses::com_android_dex_Dex_create;
73jmethodID WellKnownClasses::dalvik_system_VMRuntime_runFinalization;
74jmethodID WellKnownClasses::java_lang_Boolean_valueOf;
75jmethodID WellKnownClasses::java_lang_Byte_valueOf;
76jmethodID WellKnownClasses::java_lang_Character_valueOf;
77jmethodID WellKnownClasses::java_lang_ClassLoader_loadClass;
78jmethodID WellKnownClasses::java_lang_ClassNotFoundException_init;
79jmethodID WellKnownClasses::java_lang_Daemons_requestHeapTrim;
80jmethodID WellKnownClasses::java_lang_Daemons_start;
81jmethodID WellKnownClasses::java_lang_Daemons_stop;
82jmethodID WellKnownClasses::java_lang_Double_valueOf;
83jmethodID WellKnownClasses::java_lang_Float_valueOf;
84jmethodID WellKnownClasses::java_lang_Integer_valueOf;
85jmethodID WellKnownClasses::java_lang_Long_valueOf;
86jmethodID WellKnownClasses::java_lang_ref_FinalizerReference_add;
87jmethodID WellKnownClasses::java_lang_ref_ReferenceQueue_add;
88jmethodID WellKnownClasses::java_lang_reflect_Proxy_invoke;
89jmethodID WellKnownClasses::java_lang_Runtime_nativeLoad;
90jmethodID WellKnownClasses::java_lang_Short_valueOf;
91jmethodID WellKnownClasses::java_lang_String_init;
92jmethodID WellKnownClasses::java_lang_String_init_B;
93jmethodID WellKnownClasses::java_lang_String_init_BI;
94jmethodID WellKnownClasses::java_lang_String_init_BII;
95jmethodID WellKnownClasses::java_lang_String_init_BIII;
96jmethodID WellKnownClasses::java_lang_String_init_BIIString;
97jmethodID WellKnownClasses::java_lang_String_init_BString;
98jmethodID WellKnownClasses::java_lang_String_init_BIICharset;
99jmethodID WellKnownClasses::java_lang_String_init_BCharset;
100jmethodID WellKnownClasses::java_lang_String_init_C;
101jmethodID WellKnownClasses::java_lang_String_init_CII;
102jmethodID WellKnownClasses::java_lang_String_init_IIC;
103jmethodID WellKnownClasses::java_lang_String_init_String;
104jmethodID WellKnownClasses::java_lang_String_init_StringBuffer;
105jmethodID WellKnownClasses::java_lang_String_init_III;
106jmethodID WellKnownClasses::java_lang_String_init_StringBuilder;
107jmethodID WellKnownClasses::java_lang_StringFactory_newEmptyString;
108jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_B;
109jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BI;
110jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BII;
111jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BIII;
112jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BIIString;
113jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BString;
114jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BIICharset;
115jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BCharset;
116jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromChars_C;
117jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromChars_CII;
118jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromChars_IIC;
119jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromString;
120jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromStringBuffer;
121jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromCodePoints;
122jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromStringBuilder;
123jmethodID WellKnownClasses::java_lang_System_runFinalization = nullptr;
124jmethodID WellKnownClasses::java_lang_Thread_init;
125jmethodID WellKnownClasses::java_lang_Thread_run;
126jmethodID WellKnownClasses::java_lang_Thread__UncaughtExceptionHandler_uncaughtException;
127jmethodID WellKnownClasses::java_lang_ThreadGroup_removeThread;
128jmethodID WellKnownClasses::java_nio_DirectByteBuffer_init;
129jmethodID WellKnownClasses::libcore_reflect_AnnotationFactory_createAnnotation;
130jmethodID WellKnownClasses::libcore_reflect_AnnotationMember_init;
131jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast;
132jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch;
133
134jfieldID WellKnownClasses::dalvik_system_DexFile_cookie;
135jfieldID WellKnownClasses::dalvik_system_DexFile_fileName;
136jfieldID WellKnownClasses::dalvik_system_PathClassLoader_pathList;
137jfieldID WellKnownClasses::dalvik_system_DexPathList_dexElements;
138jfieldID WellKnownClasses::dalvik_system_DexPathList__Element_dexFile;
139jfieldID WellKnownClasses::java_lang_Thread_daemon;
140jfieldID WellKnownClasses::java_lang_Thread_group;
141jfieldID WellKnownClasses::java_lang_Thread_lock;
142jfieldID WellKnownClasses::java_lang_Thread_name;
143jfieldID WellKnownClasses::java_lang_Thread_priority;
144jfieldID WellKnownClasses::java_lang_Thread_uncaughtHandler;
145jfieldID WellKnownClasses::java_lang_Thread_nativePeer;
146jfieldID WellKnownClasses::java_lang_ThreadGroup_groups;
147jfieldID WellKnownClasses::java_lang_ThreadGroup_ngroups;
148jfieldID WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup;
149jfieldID WellKnownClasses::java_lang_ThreadGroup_name;
150jfieldID WellKnownClasses::java_lang_ThreadGroup_parent;
151jfieldID WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup;
152jfieldID WellKnownClasses::java_lang_Throwable_cause;
153jfieldID WellKnownClasses::java_lang_Throwable_detailMessage;
154jfieldID WellKnownClasses::java_lang_Throwable_stackTrace;
155jfieldID WellKnownClasses::java_lang_Throwable_stackState;
156jfieldID WellKnownClasses::java_lang_Throwable_suppressedExceptions;
157jfieldID WellKnownClasses::java_lang_reflect_AbstractMethod_artMethod;
158jfieldID WellKnownClasses::java_lang_reflect_Proxy_h;
159jfieldID WellKnownClasses::java_nio_DirectByteBuffer_capacity;
160jfieldID WellKnownClasses::java_nio_DirectByteBuffer_effectiveDirectAddress;
161jfieldID WellKnownClasses::java_util_ArrayList_array;
162jfieldID WellKnownClasses::java_util_ArrayList_size;
163jfieldID WellKnownClasses::java_util_Collections_EMPTY_LIST;
164jfieldID WellKnownClasses::libcore_util_EmptyArray_STACK_TRACE_ELEMENT;
165jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data;
166jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length;
167jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset;
168jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type;
169
170static jclass CacheClass(JNIEnv* env, const char* jni_class_name) {
171  ScopedLocalRef<jclass> c(env, env->FindClass(jni_class_name));
172  if (c.get() == nullptr) {
173    LOG(FATAL) << "Couldn't find class: " << jni_class_name;
174  }
175  return reinterpret_cast<jclass>(env->NewGlobalRef(c.get()));
176}
177
178static jfieldID CacheField(JNIEnv* env, jclass c, bool is_static,
179                           const char* name, const char* signature) {
180  jfieldID fid = is_static ? env->GetStaticFieldID(c, name, signature) :
181      env->GetFieldID(c, name, signature);
182  if (fid == nullptr) {
183    ScopedObjectAccess soa(env);
184    if (soa.Self()->IsExceptionPending()) {
185      LOG(INTERNAL_FATAL) << soa.Self()->GetException()->Dump() << '\n';
186    }
187    std::ostringstream os;
188    WellKnownClasses::ToClass(c)->DumpClass(os, mirror::Class::kDumpClassFullDetail);
189    LOG(FATAL) << "Couldn't find field \"" << name << "\" with signature \"" << signature << "\": "
190               << os.str();
191  }
192  return fid;
193}
194
195jmethodID CacheMethod(JNIEnv* env, jclass c, bool is_static,
196                      const char* name, const char* signature) {
197  jmethodID mid = is_static ? env->GetStaticMethodID(c, name, signature) :
198      env->GetMethodID(c, name, signature);
199  if (mid == nullptr) {
200    ScopedObjectAccess soa(env);
201    if (soa.Self()->IsExceptionPending()) {
202      LOG(INTERNAL_FATAL) << soa.Self()->GetException()->Dump() << '\n';
203    }
204    std::ostringstream os;
205    WellKnownClasses::ToClass(c)->DumpClass(os, mirror::Class::kDumpClassFullDetail);
206    LOG(FATAL) << "Couldn't find method \"" << name << "\" with signature \"" << signature << "\": "
207               << os.str();
208  }
209  return mid;
210}
211
212static jmethodID CachePrimitiveBoxingMethod(JNIEnv* env, char prim_name, const char* boxed_name) {
213  ScopedLocalRef<jclass> boxed_class(env, env->FindClass(boxed_name));
214  return CacheMethod(env, boxed_class.get(), true, "valueOf",
215                     StringPrintf("(%c)L%s;", prim_name, boxed_name).c_str());
216}
217
218void WellKnownClasses::Init(JNIEnv* env) {
219  com_android_dex_Dex = CacheClass(env, "com/android/dex/Dex");
220  dalvik_system_DexFile = CacheClass(env, "dalvik/system/DexFile");
221  dalvik_system_DexPathList = CacheClass(env, "dalvik/system/DexPathList");
222  dalvik_system_DexPathList__Element = CacheClass(env, "dalvik/system/DexPathList$Element");
223  dalvik_system_PathClassLoader = CacheClass(env, "dalvik/system/PathClassLoader");
224  dalvik_system_VMRuntime = CacheClass(env, "dalvik/system/VMRuntime");
225
226  java_lang_annotation_Annotation__array = CacheClass(env, "[Ljava/lang/annotation/Annotation;");
227  java_lang_BootClassLoader = CacheClass(env, "java/lang/BootClassLoader");
228  java_lang_ClassLoader = CacheClass(env, "java/lang/ClassLoader");
229  java_lang_ClassNotFoundException = CacheClass(env, "java/lang/ClassNotFoundException");
230  java_lang_Daemons = CacheClass(env, "java/lang/Daemons");
231  java_lang_Object = CacheClass(env, "java/lang/Object");
232  java_lang_OutOfMemoryError = CacheClass(env, "java/lang/OutOfMemoryError");
233  java_lang_Error = CacheClass(env, "java/lang/Error");
234  java_lang_ExceptionInInitializerError = CacheClass(env, "java/lang/ExceptionInInitializerError");
235  java_lang_IllegalAccessError = CacheClass(env, "java/lang/IllegalAccessError");
236  java_lang_NoClassDefFoundError = CacheClass(env, "java/lang/NoClassDefFoundError");
237  java_lang_reflect_AbstractMethod = CacheClass(env, "java/lang/reflect/AbstractMethod");
238  java_lang_reflect_Constructor = CacheClass(env, "java/lang/reflect/Constructor");
239  java_lang_reflect_Field = CacheClass(env, "java/lang/reflect/Field");
240  java_lang_reflect_Method = CacheClass(env, "java/lang/reflect/Method");
241  java_lang_reflect_Proxy = CacheClass(env, "java/lang/reflect/Proxy");
242  java_lang_RuntimeException = CacheClass(env, "java/lang/RuntimeException");
243  java_lang_StackOverflowError = CacheClass(env, "java/lang/StackOverflowError");
244  java_lang_String = CacheClass(env, "java/lang/String");
245  java_lang_StringFactory = CacheClass(env, "java/lang/StringFactory");
246  java_lang_System = CacheClass(env, "java/lang/System");
247  java_lang_Thread = CacheClass(env, "java/lang/Thread");
248  java_lang_Thread__UncaughtExceptionHandler = CacheClass(env,
249      "java/lang/Thread$UncaughtExceptionHandler");
250  java_lang_ThreadGroup = CacheClass(env, "java/lang/ThreadGroup");
251  java_lang_Throwable = CacheClass(env, "java/lang/Throwable");
252  java_nio_DirectByteBuffer = CacheClass(env, "java/nio/DirectByteBuffer");
253  java_util_ArrayList = CacheClass(env, "java/util/ArrayList");
254  java_util_Collections = CacheClass(env, "java/util/Collections");
255  libcore_reflect_AnnotationFactory = CacheClass(env, "libcore/reflect/AnnotationFactory");
256  libcore_reflect_AnnotationMember = CacheClass(env, "libcore/reflect/AnnotationMember");
257  libcore_util_EmptyArray = CacheClass(env, "libcore/util/EmptyArray");
258  org_apache_harmony_dalvik_ddmc_Chunk = CacheClass(env, "org/apache/harmony/dalvik/ddmc/Chunk");
259  org_apache_harmony_dalvik_ddmc_DdmServer = CacheClass(env, "org/apache/harmony/dalvik/ddmc/DdmServer");
260
261  dalvik_system_VMRuntime_runFinalization = CacheMethod(env, dalvik_system_VMRuntime, true, "runFinalization", "(J)V");
262  com_android_dex_Dex_create = CacheMethod(env, com_android_dex_Dex, true, "create", "(Ljava/nio/ByteBuffer;)Lcom/android/dex/Dex;");
263  java_lang_ClassNotFoundException_init = CacheMethod(env, java_lang_ClassNotFoundException, false, "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V");
264  java_lang_ClassLoader_loadClass = CacheMethod(env, java_lang_ClassLoader, false, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
265
266  java_lang_Daemons_requestHeapTrim = CacheMethod(env, java_lang_Daemons, true, "requestHeapTrim", "()V");
267  java_lang_Daemons_start = CacheMethod(env, java_lang_Daemons, true, "start", "()V");
268  java_lang_Daemons_stop = CacheMethod(env, java_lang_Daemons, true, "stop", "()V");
269
270  ScopedLocalRef<jclass> java_lang_ref_FinalizerReference(env, env->FindClass("java/lang/ref/FinalizerReference"));
271  java_lang_ref_FinalizerReference_add = CacheMethod(env, java_lang_ref_FinalizerReference.get(), true, "add", "(Ljava/lang/Object;)V");
272  ScopedLocalRef<jclass> java_lang_ref_ReferenceQueue(env, env->FindClass("java/lang/ref/ReferenceQueue"));
273  java_lang_ref_ReferenceQueue_add = CacheMethod(env, java_lang_ref_ReferenceQueue.get(), true, "add", "(Ljava/lang/ref/Reference;)V");
274
275  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;");
276  java_lang_Thread_init = CacheMethod(env, java_lang_Thread, false, "<init>", "(Ljava/lang/ThreadGroup;Ljava/lang/String;IZ)V");
277  java_lang_Thread_run = CacheMethod(env, java_lang_Thread, false, "run", "()V");
278  java_lang_Thread__UncaughtExceptionHandler_uncaughtException = CacheMethod(env, java_lang_Thread__UncaughtExceptionHandler, false, "uncaughtException", "(Ljava/lang/Thread;Ljava/lang/Throwable;)V");
279  java_lang_ThreadGroup_removeThread = CacheMethod(env, java_lang_ThreadGroup, false, "threadTerminated", "(Ljava/lang/Thread;)V");
280  java_nio_DirectByteBuffer_init = CacheMethod(env, java_nio_DirectByteBuffer, false, "<init>", "(JI)V");
281  libcore_reflect_AnnotationFactory_createAnnotation = CacheMethod(env, libcore_reflect_AnnotationFactory, true, "createAnnotation", "(Ljava/lang/Class;[Llibcore/reflect/AnnotationMember;)Ljava/lang/annotation/Annotation;");
282  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");
283  org_apache_harmony_dalvik_ddmc_DdmServer_broadcast = CacheMethod(env, org_apache_harmony_dalvik_ddmc_DdmServer, true, "broadcast", "(I)V");
284  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;");
285
286  java_lang_String_init = CacheMethod(env, java_lang_String, false, "<init>", "()V");
287  java_lang_String_init_B = CacheMethod(env, java_lang_String, false, "<init>", "([B)V");
288  java_lang_String_init_BI = CacheMethod(env, java_lang_String, false, "<init>", "([BI)V");
289  java_lang_String_init_BII = CacheMethod(env, java_lang_String, false, "<init>", "([BII)V");
290  java_lang_String_init_BIII = CacheMethod(env, java_lang_String, false, "<init>", "([BIII)V");
291  java_lang_String_init_BIIString = CacheMethod(env, java_lang_String, false, "<init>",
292      "([BIILjava/lang/String;)V");
293  java_lang_String_init_BString = CacheMethod(env, java_lang_String, false, "<init>",
294      "([BLjava/lang/String;)V");
295  java_lang_String_init_BIICharset = CacheMethod(env, java_lang_String, false, "<init>",
296      "([BIILjava/nio/charset/Charset;)V");
297  java_lang_String_init_BCharset = CacheMethod(env, java_lang_String, false, "<init>",
298      "([BLjava/nio/charset/Charset;)V");
299  java_lang_String_init_C = CacheMethod(env, java_lang_String, false, "<init>", "([C)V");
300  java_lang_String_init_CII = CacheMethod(env, java_lang_String, false, "<init>", "([CII)V");
301  java_lang_String_init_IIC = CacheMethod(env, java_lang_String, false, "<init>", "(II[C)V");
302  java_lang_String_init_String = CacheMethod(env, java_lang_String, false, "<init>",
303      "(Ljava/lang/String;)V");
304  java_lang_String_init_StringBuffer = CacheMethod(env, java_lang_String, false, "<init>",
305      "(Ljava/lang/StringBuffer;)V");
306  java_lang_String_init_III = CacheMethod(env, java_lang_String, false, "<init>", "([III)V");
307  java_lang_String_init_StringBuilder = CacheMethod(env, java_lang_String, false, "<init>",
308       "(Ljava/lang/StringBuilder;)V");
309  java_lang_StringFactory_newEmptyString = CacheMethod(env, java_lang_StringFactory, true,
310       "newEmptyString", "()Ljava/lang/String;");
311  java_lang_StringFactory_newStringFromBytes_B = CacheMethod(env, java_lang_StringFactory, true,
312       "newStringFromBytes", "([B)Ljava/lang/String;");
313  java_lang_StringFactory_newStringFromBytes_BI = CacheMethod(env, java_lang_StringFactory, true,
314       "newStringFromBytes", "([BI)Ljava/lang/String;");
315  java_lang_StringFactory_newStringFromBytes_BII = CacheMethod(env, java_lang_StringFactory, true,
316       "newStringFromBytes", "([BII)Ljava/lang/String;");
317  java_lang_StringFactory_newStringFromBytes_BIII = CacheMethod(env, java_lang_StringFactory, true,
318       "newStringFromBytes", "([BIII)Ljava/lang/String;");
319  java_lang_StringFactory_newStringFromBytes_BIIString = CacheMethod(env, java_lang_StringFactory,
320       true, "newStringFromBytes", "([BIILjava/lang/String;)Ljava/lang/String;");
321  java_lang_StringFactory_newStringFromBytes_BString = CacheMethod(env, java_lang_StringFactory,
322       true, "newStringFromBytes", "([BLjava/lang/String;)Ljava/lang/String;");
323  java_lang_StringFactory_newStringFromBytes_BIICharset = CacheMethod(env, java_lang_StringFactory,
324       true, "newStringFromBytes", "([BIILjava/nio/charset/Charset;)Ljava/lang/String;");
325  java_lang_StringFactory_newStringFromBytes_BCharset = CacheMethod(env, java_lang_StringFactory,
326       true, "newStringFromBytes", "([BLjava/nio/charset/Charset;)Ljava/lang/String;");
327  java_lang_StringFactory_newStringFromChars_C = CacheMethod(env, java_lang_StringFactory, true,
328       "newStringFromChars", "([C)Ljava/lang/String;");
329  java_lang_StringFactory_newStringFromChars_CII = CacheMethod(env, java_lang_StringFactory, true,
330       "newStringFromChars", "([CII)Ljava/lang/String;");
331  java_lang_StringFactory_newStringFromChars_IIC = CacheMethod(env, java_lang_StringFactory, true,
332       "newStringFromChars", "(II[C)Ljava/lang/String;");
333  java_lang_StringFactory_newStringFromString = CacheMethod(env, java_lang_StringFactory, true,
334       "newStringFromString", "(Ljava/lang/String;)Ljava/lang/String;");
335  java_lang_StringFactory_newStringFromStringBuffer = CacheMethod(env, java_lang_StringFactory,
336       true, "newStringFromStringBuffer", "(Ljava/lang/StringBuffer;)Ljava/lang/String;");
337  java_lang_StringFactory_newStringFromCodePoints = CacheMethod(env, java_lang_StringFactory,
338       true, "newStringFromCodePoints", "([III)Ljava/lang/String;");
339  java_lang_StringFactory_newStringFromStringBuilder = CacheMethod(env, java_lang_StringFactory,
340       true, "newStringFromStringBuilder", "(Ljava/lang/StringBuilder;)Ljava/lang/String;");
341
342  dalvik_system_DexFile_cookie = CacheField(env, dalvik_system_DexFile, false, "mCookie", "Ljava/lang/Object;");
343  dalvik_system_DexFile_fileName = CacheField(env, dalvik_system_DexFile, false, "mFileName", "Ljava/lang/String;");
344  dalvik_system_PathClassLoader_pathList = CacheField(env, dalvik_system_PathClassLoader, false, "pathList", "Ldalvik/system/DexPathList;");
345  dalvik_system_DexPathList_dexElements = CacheField(env, dalvik_system_DexPathList, false, "dexElements", "[Ldalvik/system/DexPathList$Element;");
346  dalvik_system_DexPathList__Element_dexFile = CacheField(env, dalvik_system_DexPathList__Element, false, "dexFile", "Ldalvik/system/DexFile;");
347  java_lang_Thread_daemon = CacheField(env, java_lang_Thread, false, "daemon", "Z");
348  java_lang_Thread_group = CacheField(env, java_lang_Thread, false, "group", "Ljava/lang/ThreadGroup;");
349  java_lang_Thread_lock = CacheField(env, java_lang_Thread, false, "lock", "Ljava/lang/Object;");
350  java_lang_Thread_name = CacheField(env, java_lang_Thread, false, "name", "Ljava/lang/String;");
351  java_lang_Thread_priority = CacheField(env, java_lang_Thread, false, "priority", "I");
352  java_lang_Thread_uncaughtHandler = CacheField(env, java_lang_Thread, false, "uncaughtExceptionHandler", "Ljava/lang/Thread$UncaughtExceptionHandler;");
353  java_lang_Thread_nativePeer = CacheField(env, java_lang_Thread, false, "nativePeer", "J");
354  java_lang_ThreadGroup_groups = CacheField(env, java_lang_ThreadGroup, false, "groups", "[Ljava/lang/ThreadGroup;");
355  java_lang_ThreadGroup_ngroups = CacheField(env, java_lang_ThreadGroup, false, "ngroups", "I");
356  java_lang_ThreadGroup_mainThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "mainThreadGroup", "Ljava/lang/ThreadGroup;");
357  java_lang_ThreadGroup_name = CacheField(env, java_lang_ThreadGroup, false, "name", "Ljava/lang/String;");
358  java_lang_ThreadGroup_parent = CacheField(env, java_lang_ThreadGroup, false, "parent", "Ljava/lang/ThreadGroup;");
359  java_lang_ThreadGroup_systemThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "systemThreadGroup", "Ljava/lang/ThreadGroup;");
360  java_lang_Throwable_cause = CacheField(env, java_lang_Throwable, false, "cause", "Ljava/lang/Throwable;");
361  java_lang_Throwable_detailMessage = CacheField(env, java_lang_Throwable, false, "detailMessage", "Ljava/lang/String;");
362  java_lang_Throwable_stackTrace = CacheField(env, java_lang_Throwable, false, "stackTrace", "[Ljava/lang/StackTraceElement;");
363  java_lang_Throwable_stackState = CacheField(env, java_lang_Throwable, false, "backtrace", "Ljava/lang/Object;");
364  java_lang_Throwable_suppressedExceptions = CacheField(env, java_lang_Throwable, false, "suppressedExceptions", "Ljava/util/List;");
365  java_lang_reflect_AbstractMethod_artMethod = CacheField(env, java_lang_reflect_AbstractMethod, false, "artMethod", "J");
366  java_lang_reflect_Proxy_h = CacheField(env, java_lang_reflect_Proxy, false, "h", "Ljava/lang/reflect/InvocationHandler;");
367  java_nio_DirectByteBuffer_capacity = CacheField(env, java_nio_DirectByteBuffer, false, "capacity", "I");
368  java_nio_DirectByteBuffer_effectiveDirectAddress = CacheField(env, java_nio_DirectByteBuffer, false, "address", "J");
369  java_util_ArrayList_array = CacheField(env, java_util_ArrayList, false, "elementData", "[Ljava/lang/Object;");
370  java_util_ArrayList_size = CacheField(env, java_util_ArrayList, false, "size", "I");
371  java_util_Collections_EMPTY_LIST = CacheField(env, java_util_Collections, true, "EMPTY_LIST", "Ljava/util/List;");
372  libcore_util_EmptyArray_STACK_TRACE_ELEMENT = CacheField(env, libcore_util_EmptyArray, true, "STACK_TRACE_ELEMENT", "[Ljava/lang/StackTraceElement;");
373  org_apache_harmony_dalvik_ddmc_Chunk_data = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "data", "[B");
374  org_apache_harmony_dalvik_ddmc_Chunk_length = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "length", "I");
375  org_apache_harmony_dalvik_ddmc_Chunk_offset = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "offset", "I");
376  org_apache_harmony_dalvik_ddmc_Chunk_type = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "type", "I");
377
378  java_lang_Boolean_valueOf = CachePrimitiveBoxingMethod(env, 'Z', "java/lang/Boolean");
379  java_lang_Byte_valueOf = CachePrimitiveBoxingMethod(env, 'B', "java/lang/Byte");
380  java_lang_Character_valueOf = CachePrimitiveBoxingMethod(env, 'C', "java/lang/Character");
381  java_lang_Double_valueOf = CachePrimitiveBoxingMethod(env, 'D', "java/lang/Double");
382  java_lang_Float_valueOf = CachePrimitiveBoxingMethod(env, 'F', "java/lang/Float");
383  java_lang_Integer_valueOf = CachePrimitiveBoxingMethod(env, 'I', "java/lang/Integer");
384  java_lang_Long_valueOf = CachePrimitiveBoxingMethod(env, 'J', "java/lang/Long");
385  java_lang_Short_valueOf = CachePrimitiveBoxingMethod(env, 'S', "java/lang/Short");
386
387  Thread::Current()->InitStringEntryPoints();
388}
389
390void WellKnownClasses::LateInit(JNIEnv* env) {
391  ScopedLocalRef<jclass> java_lang_Runtime(env, env->FindClass("java/lang/Runtime"));
392  java_lang_Runtime_nativeLoad =
393      CacheMethod(env, java_lang_Runtime.get(), true, "nativeLoad",
394                  "(Ljava/lang/String;Ljava/lang/ClassLoader;Ljava/lang/String;)"
395                      "Ljava/lang/String;");
396}
397
398mirror::Class* WellKnownClasses::ToClass(jclass global_jclass) {
399  return reinterpret_cast<mirror::Class*>(Thread::Current()->DecodeJObject(global_jclass));
400}
401
402jmethodID WellKnownClasses::StringInitToStringFactoryMethodID(jmethodID string_init) {
403  // TODO: Prioritize ordering.
404  if (string_init == java_lang_String_init) {
405    return java_lang_StringFactory_newEmptyString;
406  } else if (string_init == java_lang_String_init_B) {
407    return java_lang_StringFactory_newStringFromBytes_B;
408  } else if (string_init == java_lang_String_init_BI) {
409    return java_lang_StringFactory_newStringFromBytes_BI;
410  } else if (string_init == java_lang_String_init_BII) {
411    return java_lang_StringFactory_newStringFromBytes_BII;
412  } else if (string_init == java_lang_String_init_BIII) {
413    return java_lang_StringFactory_newStringFromBytes_BIII;
414  } else if (string_init == java_lang_String_init_BIIString) {
415    return java_lang_StringFactory_newStringFromBytes_BIIString;
416  } else if (string_init == java_lang_String_init_BString) {
417    return java_lang_StringFactory_newStringFromBytes_BString;
418  } else if (string_init == java_lang_String_init_BIICharset) {
419    return java_lang_StringFactory_newStringFromBytes_BIICharset;
420  } else if (string_init == java_lang_String_init_BCharset) {
421    return java_lang_StringFactory_newStringFromBytes_BCharset;
422  } else if (string_init == java_lang_String_init_C) {
423    return java_lang_StringFactory_newStringFromChars_C;
424  } else if (string_init == java_lang_String_init_CII) {
425    return java_lang_StringFactory_newStringFromChars_CII;
426  } else if (string_init == java_lang_String_init_IIC) {
427    return java_lang_StringFactory_newStringFromChars_IIC;
428  } else if (string_init == java_lang_String_init_String) {
429    return java_lang_StringFactory_newStringFromString;
430  } else if (string_init == java_lang_String_init_StringBuffer) {
431    return java_lang_StringFactory_newStringFromStringBuffer;
432  } else if (string_init == java_lang_String_init_III) {
433    return java_lang_StringFactory_newStringFromCodePoints;
434  } else if (string_init == java_lang_String_init_StringBuilder) {
435    return java_lang_StringFactory_newStringFromStringBuilder;
436  }
437  LOG(FATAL) << "Could not find StringFactory method for String.<init>";
438  return nullptr;
439}
440
441}  // namespace art
442