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 * thread,StackReference<mirror::ArtMethod> * sp)27 extern "C" void artDeliverPendingExceptionFromCode(Thread* thread,
28 StackReference<mirror::ArtMethod>* sp)
29 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
30 FinishCalleeSaveFrameSetup(thread, sp, Runtime::kSaveAll);
31 thread->QuickDeliverException();
32 }
33
34 // Called by generated call to throw an exception.
artDeliverExceptionFromCode(mirror::Throwable * exception,Thread * self,StackReference<mirror::ArtMethod> * sp)35 extern "C" void artDeliverExceptionFromCode(mirror::Throwable* exception, Thread* self,
36 StackReference<mirror::ArtMethod>* sp)
37 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
38 /*
39 * exception may be NULL, in which case this routine should
40 * throw NPE. NOTE: this is a convenience for generated code,
41 * which previously did the null check inline and constructed
42 * and threw a NPE if NULL. This routine responsible for setting
43 * exception_ in thread and delivering the exception.
44 */
45 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll);
46 ThrowLocation throw_location = self->GetCurrentLocationForThrow();
47 if (exception == NULL) {
48 self->ThrowNewException(throw_location, "Ljava/lang/NullPointerException;",
49 "throw with null exception");
50 } else {
51 self->SetException(throw_location, exception);
52 }
53 self->QuickDeliverException();
54 }
55
56 // Called by generated call to throw a NPE exception.
artThrowNullPointerExceptionFromCode(Thread * self,StackReference<mirror::ArtMethod> * sp)57 extern "C" void artThrowNullPointerExceptionFromCode(Thread* self,
58 StackReference<mirror::ArtMethod>* sp)
59 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
60 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll);
61 self->NoteSignalBeingHandled();
62 ThrowLocation throw_location = self->GetCurrentLocationForThrow();
63 ThrowNullPointerExceptionFromDexPC(throw_location);
64 self->NoteSignalHandlerDone();
65 self->QuickDeliverException();
66 }
67
68 // Called by generated call to throw an arithmetic divide by zero exception.
artThrowDivZeroFromCode(Thread * self,StackReference<mirror::ArtMethod> * sp)69 extern "C" void artThrowDivZeroFromCode(Thread* self, StackReference<mirror::ArtMethod>* sp)
70 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
71 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll);
72 ThrowArithmeticExceptionDivideByZero();
73 self->QuickDeliverException();
74 }
75
76 // Called by generated call to throw an array index out of bounds exception.
artThrowArrayBoundsFromCode(int index,int length,Thread * self,StackReference<mirror::ArtMethod> * sp)77 extern "C" void artThrowArrayBoundsFromCode(int index, int length, Thread* self,
78 StackReference<mirror::ArtMethod>*sp)
79 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
80 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll);
81 ThrowArrayIndexOutOfBoundsException(index, length);
82 self->QuickDeliverException();
83 }
84
artThrowStackOverflowFromCode(Thread * self,StackReference<mirror::ArtMethod> * sp)85 extern "C" void artThrowStackOverflowFromCode(Thread* self, StackReference<mirror::ArtMethod>* sp)
86 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
87 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll);
88 self->NoteSignalBeingHandled();
89 ThrowStackOverflowError(self);
90 self->NoteSignalHandlerDone();
91 self->QuickDeliverException();
92 }
93
artThrowNoSuchMethodFromCode(int32_t method_idx,Thread * self,StackReference<mirror::ArtMethod> * sp)94 extern "C" void artThrowNoSuchMethodFromCode(int32_t method_idx, Thread* self,
95 StackReference<mirror::ArtMethod>* sp)
96 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
97 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll);
98 ThrowNoSuchMethodError(method_idx);
99 self->QuickDeliverException();
100 }
101
artThrowClassCastException(mirror::Class * dest_type,mirror::Class * src_type,Thread * self,StackReference<mirror::ArtMethod> * sp)102 extern "C" void artThrowClassCastException(mirror::Class* dest_type, mirror::Class* src_type,
103 Thread* self, StackReference<mirror::ArtMethod>* sp)
104 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
105 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll);
106 CHECK(!dest_type->IsAssignableFrom(src_type));
107 ThrowClassCastException(dest_type, src_type);
108 self->QuickDeliverException();
109 }
110
artThrowArrayStoreException(mirror::Object * array,mirror::Object * value,Thread * self,StackReference<mirror::ArtMethod> * sp)111 extern "C" void artThrowArrayStoreException(mirror::Object* array, mirror::Object* value,
112 Thread* self, StackReference<mirror::ArtMethod>* sp)
113 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
114 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll);
115 ThrowArrayStoreException(value->GetClass(), array->GetClass());
116 self->QuickDeliverException();
117 }
118
119 } // namespace art
120