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 Array;
32 class Class;
33 class Object;
34 template<class MirrorType>
35 class CompressedReference;
36 }  // namespace mirror
37 
38 class ArtMethod;
39 class Thread;
40 
41 // Pointers to functions that are called by quick compiler generated code via thread-local storage.
42 struct PACKED(4) QuickEntryPoints {
43 #define ENTRYPOINT_ENUM(name, rettype, ...) rettype ( * p ## name )( __VA_ARGS__ );
44 #include "quick_entrypoints_list.h"
45   QUICK_ENTRYPOINT_LIST(ENTRYPOINT_ENUM)
46 #undef QUICK_ENTRYPOINT_LIST
47 #undef ENTRYPOINT_ENUM
48 };
49 
50 
51 // JNI entrypoints.
52 // TODO: NO_THREAD_SAFETY_ANALYSIS due to different control paths depending on fast JNI.
53 extern uint32_t JniMethodStart(Thread* self) NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
54 extern uint32_t JniMethodStartSynchronized(jobject to_lock, Thread* self)
55     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
56 extern void JniMethodEnd(uint32_t saved_local_ref_cookie, Thread* self)
57     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
58 extern void JniMethodEndSynchronized(uint32_t saved_local_ref_cookie, jobject locked,
59                                      Thread* self)
60     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
61 extern mirror::Object* JniMethodEndWithReference(jobject result, uint32_t saved_local_ref_cookie,
62                                                  Thread* self)
63     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
64 
65 extern mirror::Object* JniMethodEndWithReferenceSynchronized(jobject result,
66                                                              uint32_t saved_local_ref_cookie,
67                                                              jobject locked, Thread* self)
68     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
69 
70 extern void ReadBarrierJni(mirror::CompressedReference<mirror::Object>* handle_on_stack,
71                            Thread* self)
72     NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
73 
74 }  // namespace art
75 
76 #endif  // ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ENTRYPOINTS_H_
77