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 #include "callee_save_frame.h"
18 #include "common_throws.h"
19 #include "mirror/object-inl.h"
20 #include "thread.h"
21 #include "well_known_classes.h"
22
23 namespace art {
24
25 // Deliver an exception that's pending on thread helping set up a callee save frame on the way.
artDeliverPendingExceptionFromCode(Thread * self)26 extern "C" NO_RETURN void artDeliverPendingExceptionFromCode(Thread* self)
27 SHARED_REQUIRES(Locks::mutator_lock_) {
28 ScopedQuickEntrypointChecks sqec(self);
29 self->QuickDeliverException();
30 }
31
32 // Called by generated call to throw an exception.
artDeliverExceptionFromCode(mirror::Throwable * exception,Thread * self)33 extern "C" NO_RETURN void artDeliverExceptionFromCode(mirror::Throwable* exception, Thread* self)
34 SHARED_REQUIRES(Locks::mutator_lock_) {
35 /*
36 * exception may be null, in which case this routine should
37 * throw NPE. NOTE: this is a convenience for generated code,
38 * which previously did the null check inline and constructed
39 * and threw a NPE if null. This routine responsible for setting
40 * exception_ in thread and delivering the exception.
41 */
42 ScopedQuickEntrypointChecks sqec(self);
43 if (exception == nullptr) {
44 self->ThrowNewException("Ljava/lang/NullPointerException;", "throw with null exception");
45 } else {
46 self->SetException(exception);
47 }
48 self->QuickDeliverException();
49 }
50
51 // Called by generated call to throw a NPE exception.
artThrowNullPointerExceptionFromCode(Thread * self)52 extern "C" NO_RETURN void artThrowNullPointerExceptionFromCode(Thread* self)
53 SHARED_REQUIRES(Locks::mutator_lock_) {
54 ScopedQuickEntrypointChecks sqec(self);
55 self->NoteSignalBeingHandled();
56 ThrowNullPointerExceptionFromDexPC();
57 self->NoteSignalHandlerDone();
58 self->QuickDeliverException();
59 }
60
61 // Called by generated call to throw an arithmetic divide by zero exception.
artThrowDivZeroFromCode(Thread * self)62 extern "C" NO_RETURN void artThrowDivZeroFromCode(Thread* self)
63 SHARED_REQUIRES(Locks::mutator_lock_) {
64 ScopedQuickEntrypointChecks sqec(self);
65 ThrowArithmeticExceptionDivideByZero();
66 self->QuickDeliverException();
67 }
68
69 // Called by generated call to throw an array index out of bounds exception.
artThrowArrayBoundsFromCode(int index,int length,Thread * self)70 extern "C" NO_RETURN void artThrowArrayBoundsFromCode(int index, int length, Thread* self)
71 SHARED_REQUIRES(Locks::mutator_lock_) {
72 ScopedQuickEntrypointChecks sqec(self);
73 ThrowArrayIndexOutOfBoundsException(index, length);
74 self->QuickDeliverException();
75 }
76
artThrowStackOverflowFromCode(Thread * self)77 extern "C" NO_RETURN void artThrowStackOverflowFromCode(Thread* self)
78 SHARED_REQUIRES(Locks::mutator_lock_) {
79 ScopedQuickEntrypointChecks sqec(self);
80 self->NoteSignalBeingHandled();
81 ThrowStackOverflowError(self);
82 self->NoteSignalHandlerDone();
83 self->QuickDeliverException();
84 }
85
artThrowNoSuchMethodFromCode(int32_t method_idx,Thread * self)86 extern "C" NO_RETURN void artThrowNoSuchMethodFromCode(int32_t method_idx, Thread* self)
87 SHARED_REQUIRES(Locks::mutator_lock_) {
88 ScopedQuickEntrypointChecks sqec(self);
89 ThrowNoSuchMethodError(method_idx);
90 self->QuickDeliverException();
91 }
92
artThrowClassCastException(mirror::Class * dest_type,mirror::Class * src_type,Thread * self)93 extern "C" NO_RETURN void artThrowClassCastException(mirror::Class* dest_type,
94 mirror::Class* src_type,
95 Thread* self)
96 SHARED_REQUIRES(Locks::mutator_lock_) {
97 ScopedQuickEntrypointChecks sqec(self);
98 DCHECK(!dest_type->IsAssignableFrom(src_type));
99 ThrowClassCastException(dest_type, src_type);
100 self->QuickDeliverException();
101 }
102
artThrowArrayStoreException(mirror::Object * array,mirror::Object * value,Thread * self)103 extern "C" NO_RETURN void artThrowArrayStoreException(mirror::Object* array, mirror::Object* value,
104 Thread* self)
105 SHARED_REQUIRES(Locks::mutator_lock_) {
106 ScopedQuickEntrypointChecks sqec(self);
107 ThrowArrayStoreException(value->GetClass(), array->GetClass());
108 self->QuickDeliverException();
109 }
110
111 } // namespace art
112