1 /*
2  * Copyright (C) 2014 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_RUNTIME_INL_H_
18 #define ART_RUNTIME_RUNTIME_INL_H_
19 
20 #include "runtime.h"
21 
22 #include "art_method.h"
23 #include "base/callee_save_type.h"
24 #include "gc_root-inl.h"
25 #include "obj_ptr-inl.h"
26 
27 namespace art {
28 
IsClearedJniWeakGlobal(ObjPtr<mirror::Object> obj)29 inline bool Runtime::IsClearedJniWeakGlobal(ObjPtr<mirror::Object> obj) {
30   return obj == GetClearedJniWeakGlobal();
31 }
32 
GetClearedJniWeakGlobal()33 inline mirror::Object* Runtime::GetClearedJniWeakGlobal() {
34   mirror::Object* obj = sentinel_.Read();
35   DCHECK(obj != nullptr);
36   return obj;
37 }
38 
GetRuntimeMethodFrameInfo(ArtMethod * method)39 inline QuickMethodFrameInfo Runtime::GetRuntimeMethodFrameInfo(ArtMethod* method) {
40   DCHECK(method != nullptr);
41   // Cannot be imt-conflict-method or resolution-method.
42   DCHECK_NE(method, GetImtConflictMethod());
43   DCHECK_NE(method, GetResolutionMethod());
44   // Don't use GetCalleeSaveMethod(), some tests don't set all callee save methods.
45   if (method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveRefsAndArgs)) {
46     return GetCalleeSaveMethodFrameInfo(CalleeSaveType::kSaveRefsAndArgs);
47   } else if (method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveAllCalleeSaves)) {
48     return GetCalleeSaveMethodFrameInfo(CalleeSaveType::kSaveAllCalleeSaves);
49   } else if (method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveRefsOnly)) {
50     return GetCalleeSaveMethodFrameInfo(CalleeSaveType::kSaveRefsOnly);
51   } else {
52     DCHECK(method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveEverything) ||
53            method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveEverythingForClinit) ||
54            method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveEverythingForSuspendCheck));
55     return GetCalleeSaveMethodFrameInfo(CalleeSaveType::kSaveEverything);
56   }
57 }
58 
GetResolutionMethod()59 inline ArtMethod* Runtime::GetResolutionMethod() {
60   CHECK(HasResolutionMethod());
61   return resolution_method_;
62 }
63 
GetImtConflictMethod()64 inline ArtMethod* Runtime::GetImtConflictMethod() {
65   CHECK(HasImtConflictMethod());
66   return imt_conflict_method_;
67 }
68 
GetImtUnimplementedMethod()69 inline ArtMethod* Runtime::GetImtUnimplementedMethod() {
70   CHECK(imt_unimplemented_method_ != nullptr);
71   return imt_unimplemented_method_;
72 }
73 
GetCalleeSaveMethod(CalleeSaveType type)74 inline ArtMethod* Runtime::GetCalleeSaveMethod(CalleeSaveType type)
75     REQUIRES_SHARED(Locks::mutator_lock_) {
76   DCHECK(HasCalleeSaveMethod(type));
77   return GetCalleeSaveMethodUnchecked(type);
78 }
79 
GetCalleeSaveMethodUnchecked(CalleeSaveType type)80 inline ArtMethod* Runtime::GetCalleeSaveMethodUnchecked(CalleeSaveType type)
81     REQUIRES_SHARED(Locks::mutator_lock_) {
82   return reinterpret_cast<ArtMethod*>(callee_save_methods_[static_cast<size_t>(type)]);
83 }
84 
85 }  // namespace art
86 
87 #endif  // ART_RUNTIME_RUNTIME_INL_H_
88