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 "entrypoints/entrypoint_utils.h" 19 #include "mirror/object.h" 20 #include "object_utils.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. 27 extern "C" void artDeliverPendingExceptionFromCode(Thread* thread, mirror::ArtMethod** sp) 28 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 29 FinishCalleeSaveFrameSetup(thread, sp, Runtime::kSaveAll); 30 thread->QuickDeliverException(); 31 } 32 33 // Called by generated call to throw an exception. 34 extern "C" void artDeliverExceptionFromCode(mirror::Throwable* exception, Thread* self, 35 mirror::ArtMethod** sp) 36 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 37 /* 38 * exception may be NULL, in which case this routine should 39 * throw NPE. NOTE: this is a convenience for generated code, 40 * which previously did the null check inline and constructed 41 * and threw a NPE if NULL. This routine responsible for setting 42 * exception_ in thread and delivering the exception. 43 */ 44 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll); 45 ThrowLocation throw_location = self->GetCurrentLocationForThrow(); 46 if (exception == NULL) { 47 self->ThrowNewException(throw_location, "Ljava/lang/NullPointerException;", 48 "throw with null exception"); 49 } else { 50 self->SetException(throw_location, exception); 51 } 52 self->QuickDeliverException(); 53 } 54 55 // Called by generated call to throw a NPE exception. 56 extern "C" void artThrowNullPointerExceptionFromCode(Thread* self, 57 mirror::ArtMethod** sp) 58 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 59 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll); 60 ThrowLocation throw_location = self->GetCurrentLocationForThrow(); 61 ThrowNullPointerExceptionFromDexPC(throw_location); 62 self->QuickDeliverException(); 63 } 64 65 // Called by generated call to throw an arithmetic divide by zero exception. 66 extern "C" void artThrowDivZeroFromCode(Thread* self, 67 mirror::ArtMethod** sp) 68 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 69 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll); 70 ThrowArithmeticExceptionDivideByZero(); 71 self->QuickDeliverException(); 72 } 73 74 // Called by generated call to throw an array index out of bounds exception. 75 extern "C" void artThrowArrayBoundsFromCode(int index, int length, Thread* self, 76 mirror::ArtMethod** sp) 77 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 78 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll); 79 ThrowArrayIndexOutOfBoundsException(index, length); 80 self->QuickDeliverException(); 81 } 82 83 extern "C" void artThrowStackOverflowFromCode(Thread* self, mirror::ArtMethod** sp) 84 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 85 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll); 86 ThrowStackOverflowError(self); 87 self->QuickDeliverException(); 88 } 89 90 extern "C" void artThrowNoSuchMethodFromCode(int32_t method_idx, Thread* self, 91 mirror::ArtMethod** sp) 92 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 93 FinishCalleeSaveFrameSetup(self, sp, Runtime::kSaveAll); 94 ThrowNoSuchMethodError(method_idx); 95 self->QuickDeliverException(); 96 } 97 98 } // namespace art 99