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 "entrypoints/entrypoint_utils-inl.h"
20 #include "mirror/object-inl.h"
21 #include "thread.h"
22 #include "well_known_classes.h"
23
24 namespace art {
25
26 // Deliver an exception that's pending on thread helping set up a callee save frame on the way.
artDeliverPendingExceptionFromCode(Thread * self)27 extern "C" NO_RETURN void artDeliverPendingExceptionFromCode(Thread* self)
28 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
29 ScopedQuickEntrypointChecks sqec(self);
30 self->QuickDeliverException();
31 }
32
33 // Called by generated call to throw an exception.
artDeliverExceptionFromCode(mirror::Throwable * exception,Thread * self)34 extern "C" NO_RETURN void artDeliverExceptionFromCode(mirror::Throwable* exception, Thread* self)
35 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
36 /*
37 * exception may be null, in which case this routine should
38 * throw NPE. NOTE: this is a convenience for generated code,
39 * which previously did the null check inline and constructed
40 * and threw a NPE if null. This routine responsible for setting
41 * exception_ in thread and delivering the exception.
42 */
43 ScopedQuickEntrypointChecks sqec(self);
44 if (exception == nullptr) {
45 self->ThrowNewException("Ljava/lang/NullPointerException;", "throw with null exception");
46 } else {
47 self->SetException(exception);
48 }
49 self->QuickDeliverException();
50 }
51
52 // Called by generated call to throw a NPE exception.
artThrowNullPointerExceptionFromCode(Thread * self)53 extern "C" NO_RETURN void artThrowNullPointerExceptionFromCode(Thread* self)
54 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
55 ScopedQuickEntrypointChecks sqec(self);
56 self->NoteSignalBeingHandled();
57 ThrowNullPointerExceptionFromDexPC();
58 self->NoteSignalHandlerDone();
59 self->QuickDeliverException();
60 }
61
62 // Called by generated call to throw an arithmetic divide by zero exception.
artThrowDivZeroFromCode(Thread * self)63 extern "C" NO_RETURN void artThrowDivZeroFromCode(Thread* self)
64 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
65 ScopedQuickEntrypointChecks sqec(self);
66 ThrowArithmeticExceptionDivideByZero();
67 self->QuickDeliverException();
68 }
69
70 // Called by generated call to throw an array index out of bounds exception.
artThrowArrayBoundsFromCode(int index,int length,Thread * self)71 extern "C" NO_RETURN void artThrowArrayBoundsFromCode(int index, int length, Thread* self)
72 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
73 ScopedQuickEntrypointChecks sqec(self);
74 ThrowArrayIndexOutOfBoundsException(index, length);
75 self->QuickDeliverException();
76 }
77
artThrowStackOverflowFromCode(Thread * self)78 extern "C" NO_RETURN void artThrowStackOverflowFromCode(Thread* self)
79 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
80 ScopedQuickEntrypointChecks sqec(self);
81 self->NoteSignalBeingHandled();
82 ThrowStackOverflowError(self);
83 self->NoteSignalHandlerDone();
84 self->QuickDeliverException();
85 }
86
artThrowNoSuchMethodFromCode(int32_t method_idx,Thread * self)87 extern "C" NO_RETURN void artThrowNoSuchMethodFromCode(int32_t method_idx, Thread* self)
88 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
89 ScopedQuickEntrypointChecks sqec(self);
90 ThrowNoSuchMethodError(method_idx);
91 self->QuickDeliverException();
92 }
93
artThrowClassCastException(mirror::Class * dest_type,mirror::Class * src_type,Thread * self)94 extern "C" NO_RETURN void artThrowClassCastException(mirror::Class* dest_type,
95 mirror::Class* src_type,
96 Thread* self)
97 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
98 ScopedQuickEntrypointChecks sqec(self);
99 DCHECK(!dest_type->IsAssignableFrom(src_type));
100 ThrowClassCastException(dest_type, src_type);
101 self->QuickDeliverException();
102 }
103
artThrowArrayStoreException(mirror::Object * array,mirror::Object * value,Thread * self)104 extern "C" NO_RETURN void artThrowArrayStoreException(mirror::Object* array, mirror::Object* value,
105 Thread* self)
106 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
107 ScopedQuickEntrypointChecks sqec(self);
108 ThrowArrayStoreException(value->GetClass(), array->GetClass());
109 self->QuickDeliverException();
110 }
111
112 } // namespace art
113