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 "arch/instruction_set.h"
23 #include "art_method.h"
24 #include "base/callee_save_type.h"
25 #include "base/casts.h"
26 #include "base/mutex.h"
27 #include "entrypoints/quick/callee_save_frame.h"
28 #include "gc_root-inl.h"
29 #include "interpreter/mterp/mterp.h"
30 #include "obj_ptr-inl.h"
31 #include "thread_list.h"
32
33 namespace art {
34
IsClearedJniWeakGlobal(ObjPtr<mirror::Object> obj)35 inline bool Runtime::IsClearedJniWeakGlobal(ObjPtr<mirror::Object> obj) {
36 return obj == GetClearedJniWeakGlobal();
37 }
38
GetClearedJniWeakGlobal()39 inline mirror::Object* Runtime::GetClearedJniWeakGlobal() {
40 mirror::Object* obj = sentinel_.Read();
41 DCHECK(obj != nullptr);
42 return obj;
43 }
44
GetRuntimeMethodFrameInfo(ArtMethod * method)45 inline QuickMethodFrameInfo Runtime::GetRuntimeMethodFrameInfo(ArtMethod* method) {
46 DCHECK(method != nullptr);
47 DCHECK_EQ(instruction_set_, kRuntimeISA);
48 // Cannot be imt-conflict-method or resolution-method.
49 DCHECK_NE(method, GetImtConflictMethod());
50 DCHECK_NE(method, GetResolutionMethod());
51 // Don't use GetCalleeSaveMethod(), some tests don't set all callee save methods.
52 if (method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveRefsAndArgs)) {
53 return RuntimeCalleeSaveFrame::GetMethodFrameInfo(CalleeSaveType::kSaveRefsAndArgs);
54 } else if (method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveAllCalleeSaves)) {
55 return RuntimeCalleeSaveFrame::GetMethodFrameInfo(CalleeSaveType::kSaveAllCalleeSaves);
56 } else if (method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveRefsOnly)) {
57 return RuntimeCalleeSaveFrame::GetMethodFrameInfo(CalleeSaveType::kSaveRefsOnly);
58 } else {
59 DCHECK(method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveEverything) ||
60 method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveEverythingForClinit) ||
61 method == GetCalleeSaveMethodUnchecked(CalleeSaveType::kSaveEverythingForSuspendCheck));
62 return RuntimeCalleeSaveFrame::GetMethodFrameInfo(CalleeSaveType::kSaveEverything);
63 }
64 }
65
GetResolutionMethod()66 inline ArtMethod* Runtime::GetResolutionMethod() {
67 CHECK(HasResolutionMethod());
68 return resolution_method_;
69 }
70
GetImtConflictMethod()71 inline ArtMethod* Runtime::GetImtConflictMethod() {
72 CHECK(HasImtConflictMethod());
73 return imt_conflict_method_;
74 }
75
GetImtUnimplementedMethod()76 inline ArtMethod* Runtime::GetImtUnimplementedMethod() {
77 CHECK(imt_unimplemented_method_ != nullptr);
78 return imt_unimplemented_method_;
79 }
80
GetCalleeSaveMethod(CalleeSaveType type)81 inline ArtMethod* Runtime::GetCalleeSaveMethod(CalleeSaveType type)
82 REQUIRES_SHARED(Locks::mutator_lock_) {
83 DCHECK(HasCalleeSaveMethod(type));
84 return GetCalleeSaveMethodUnchecked(type);
85 }
86
GetCalleeSaveMethodUnchecked(CalleeSaveType type)87 inline ArtMethod* Runtime::GetCalleeSaveMethodUnchecked(CalleeSaveType type)
88 REQUIRES_SHARED(Locks::mutator_lock_) {
89 return reinterpret_cast64<ArtMethod*>(callee_save_methods_[static_cast<size_t>(type)]);
90 }
91
92 template<typename Action>
DoAndMaybeSwitchInterpreter(Action lamda)93 void Runtime::DoAndMaybeSwitchInterpreter(Action lamda) {
94 MutexLock tll_mu(Thread::Current(), *Locks::thread_list_lock_);
95 lamda();
96 Runtime::Current()->GetThreadList()->ForEach([](Thread* thread, void*) {
97 thread->tls32_.use_mterp.store(interpreter::CanUseMterp());
98 }, nullptr);
99 }
100
101 } // namespace art
102
103 #endif // ART_RUNTIME_RUNTIME_INL_H_
104