1 // Copyright 2020 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #include "pw_cpu_exception/handler.h" 16 17 namespace pw::cpu_exception { 18 19 static void (*exception_handler)(pw_cpu_exception_State*) = 20 &pw_cpu_exception_DefaultHandler; 21 pw_cpu_exception_SetHandler(void (* handler)(pw_cpu_exception_State *))22extern "C" void pw_cpu_exception_SetHandler( 23 void (*handler)(pw_cpu_exception_State*)) { 24 exception_handler = handler; 25 } 26 27 // Revert the exception handler to point to pw_cpu_exception_DefaultHandler(). pw_cpu_exception_RestoreDefaultHandler()28extern "C" void pw_cpu_exception_RestoreDefaultHandler() { 29 exception_handler = &pw_cpu_exception_DefaultHandler; 30 } 31 pw_cpu_exception_HandleException(void * cpu_state)32extern "C" void pw_cpu_exception_HandleException(void* cpu_state) { 33 exception_handler(reinterpret_cast<pw_cpu_exception_State*>(cpu_state)); 34 } 35 36 } // namespace pw::cpu_exception