2 * Copyright (C) 2011 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef ART_RUNTIME_MIRROR_THROWABLE_H_
18 #define ART_RUNTIME_MIRROR_THROWABLE_H_
22 #include "object_callbacks.h"
27 struct ThrowableOffsets;
31 // C++ mirror of java.lang.Throwable
32 class MANAGED Throwable : public Object {
34 void SetDetailMessage(ObjPtr<String> new_detail_message) REQUIRES_SHARED(Locks::mutator_lock_);
36 String* GetDetailMessage() REQUIRES_SHARED(Locks::mutator_lock_) {
37 return GetFieldObject<String>(OFFSET_OF_OBJECT_MEMBER(Throwable, detail_message_));
40 std::string Dump() REQUIRES_SHARED(Locks::mutator_lock_);
42 // This is a runtime version of initCause, you shouldn't use it if initCause may have been
43 // overridden. Also it asserts rather than throwing exceptions. Currently this is only used
44 // in cases like the verifier where the checks cannot fail and initCause isn't overridden.
45 void SetCause(ObjPtr<Throwable> cause) REQUIRES_SHARED(Locks::mutator_lock_);
46 void SetStackState(ObjPtr<Object> state) REQUIRES_SHARED(Locks::mutator_lock_);
47 bool IsCheckedException() REQUIRES_SHARED(Locks::mutator_lock_);
49 static Class* GetJavaLangThrowable() REQUIRES_SHARED(Locks::mutator_lock_) {
50 DCHECK(!java_lang_Throwable_.IsNull());
51 return java_lang_Throwable_.Read();
54 int32_t GetStackDepth() REQUIRES_SHARED(Locks::mutator_lock_);
56 static void SetClass(ObjPtr<Class> java_lang_Throwable);
57 static void ResetClass();
58 static void VisitRoots(RootVisitor* visitor)
59 REQUIRES_SHARED(Locks::mutator_lock_);
62 Object* GetStackState() REQUIRES_SHARED(Locks::mutator_lock_) {
63 return GetFieldObjectVolatile<Object>(OFFSET_OF_OBJECT_MEMBER(Throwable, backtrace_));
65 Object* GetStackTrace() REQUIRES_SHARED(Locks::mutator_lock_) {
66 return GetFieldObjectVolatile<Object>(OFFSET_OF_OBJECT_MEMBER(Throwable, backtrace_));
69 // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses".
70 HeapReference<Object> backtrace_; // Note this is Java volatile:
71 HeapReference<Throwable> cause_;
72 HeapReference<String> detail_message_;
73 HeapReference<Object> stack_trace_;
74 HeapReference<Object> suppressed_exceptions_;
76 static GcRoot<Class> java_lang_Throwable_;
78 friend struct art::ThrowableOffsets; // for verifying offset information
79 DISALLOW_IMPLICIT_CONSTRUCTORS(Throwable);
85 #endif // ART_RUNTIME_MIRROR_THROWABLE_H_