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// Copyright 2022 The Pigweed Authors
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#pragma once
#include "pw_cpu_exception_cortex_m/cpu_state.h"
namespace pw::cpu_exception::cortex_m {
void LogExceptionAnalysis(const pw_cpu_exception_State& cpu_state);
enum class ProcessorMode {
kHandlerMode, // Handling interrupts/exceptions (msp).
kThreadMode, // May be on either psp or msp.
ProcessorMode ActiveProcessorMode(const pw_cpu_exception_State& cpu_state);
// Returns whether the msp was active in thread or handler modes.
bool MainStackActive(const pw_cpu_exception_State& cpu_state);
// Returns whether the psp was active in thread mode.
inline bool ProcessStackActive(const pw_cpu_exception_State& cpu_state) {
return !MainStackActive(cpu_state);
} // namespace pw::cpu_exception::cortex_m