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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