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      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 #ifndef ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ENTRYPOINTS_H_
     18 #define ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ENTRYPOINTS_H_
     19 
     20 #include <jni.h>
     21 
     22 #include "base/macros.h"
     23 #include "offsets.h"
     24 
     25 #define QUICK_ENTRYPOINT_OFFSET(ptr_size, x) \
     26     Thread::QuickEntryPointOffset<ptr_size>(OFFSETOF_MEMBER(QuickEntryPoints, x))
     27 
     28 namespace art {
     29 
     30 namespace mirror {
     31 class ArtMethod;
     32 class Class;
     33 class Object;
     34 }  // namespace mirror
     35 
     36 class Thread;
     37 
     38 // Pointers to functions that are called by quick compiler generated code via thread-local storage.
     39 struct PACKED(4) QuickEntryPoints {
     40 #define ENTRYPOINT_ENUM(name, rettype, ...) rettype ( * p ## name )( __VA_ARGS__ );
     41 #include "quick_entrypoints_list.h"
     42   QUICK_ENTRYPOINT_LIST(ENTRYPOINT_ENUM)
     43 #undef QUICK_ENTRYPOINT_LIST
     44 #undef ENTRYPOINT_ENUM
     45 };
     46 
     47 
     48 // JNI entrypoints.
     49 // TODO: NO_THREAD_SAFETY_ANALYSIS due to different control paths depending on fast JNI.
     50 extern uint32_t JniMethodStart(Thread* self) NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
     51 extern uint32_t JniMethodStartSynchronized(jobject to_lock, Thread* self)
     52     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
     53 extern void JniMethodEnd(uint32_t saved_local_ref_cookie, Thread* self)
     54     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
     55 extern void JniMethodEndSynchronized(uint32_t saved_local_ref_cookie, jobject locked,
     56                                      Thread* self)
     57     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
     58 extern mirror::Object* JniMethodEndWithReference(jobject result, uint32_t saved_local_ref_cookie,
     59                                                  Thread* self)
     60     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
     61 
     62 extern mirror::Object* JniMethodEndWithReferenceSynchronized(jobject result,
     63                                                              uint32_t saved_local_ref_cookie,
     64                                                              jobject locked, Thread* self)
     65     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
     66 
     67 }  // namespace art
     68 
     69 #endif  // ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ENTRYPOINTS_H_
     70