1 // Copyright 2020 The Pigweed Authors
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
7 // https://www.apache.org/licenses/LICENSE-2.0
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
15 #include "pw_cpu_exception/handler.h"
17 namespace pw::cpu_exception {
19 static void (*exception_handler)(pw_cpu_exception_State*) =
20 &pw_cpu_exception_DefaultHandler;
22 extern "C" void pw_cpu_exception_SetHandler(
23 void (*handler)(pw_cpu_exception_State*)) {
24 exception_handler = handler;
27 // Revert the exception handler to point to pw_cpu_exception_DefaultHandler().
28 extern "C" void pw_cpu_exception_RestoreDefaultHandler() {
29 exception_handler = &pw_cpu_exception_DefaultHandler;
32 extern "C" void pw_cpu_exception_HandleException(void* cpu_state) {
33 exception_handler(reinterpret_cast<pw_cpu_exception_State*>(cpu_state));
36 } // namespace pw::cpu_exception