1 /* 2 * Copyright (C) 2016 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 <shared/abort.h> 18 19 #include <cstdint> 20 21 #include <chre.h> 22 23 namespace nanoapp_testing { 24 25 void abort(AbortBlame reason) { 26 uint32_t abortCode = UINT32_C(0x10000) + static_cast<uint16_t>(reason); 27 chreAbort(abortCode); 28 29 // We should never get here. But in the case that the CHRE has a bug 30 // in its chreAbort() implementation, let's try to blow things up. 31 // Some compilers are smart about not wanting to crash like this, so 32 // we need to fool them via indirection. 33 uint16_t zero = static_cast<uint16_t>(reason) 34 - static_cast<uint8_t>(reason); 35 uint8_t *badPointer = reinterpret_cast<uint8_t*>(zero); 36 *badPointer = 1; 37 38 // If we're here, we have a buggy CHRE on a platform where it's okay 39 // to write to nullptr. At the very least, let's not return from this 40 // function. 41 while (true) {} 42 } 43 44 } // namespace nanoapp_testing 45
