| // Copyright 2020 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 |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // 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. |
| |
| // This facade provides an API for capturing the contents of a |
| // pw_CpuExceptionState struct in a platform-agnostic way. While this facade |
| // does not provide a means to directly access individual members of a |
| // pw_CpuExceptionState object, it does allow dumping CPU state without needing |
| // to know any specifics about the underlying architecture. |
| #pragma once |
| |
| #include <cstdint> |
| #include <span> |
| |
| // Forward declaration of pw_CpuExceptionState. Definition provided by backend. |
| struct pw_CpuExceptionState; |
| |
| namespace pw::cpu_exception { |
| |
| // Gets raw CPU state as a single contiguous block of data. The particular |
| // contents will depend on the specific backend and platform. |
| std::span<const uint8_t> RawFaultingCpuState( |
| const pw_CpuExceptionState& cpu_state); |
| |
| // Writes CPU state as a formatted string to a string builder. |
| // NEVER depend on the format of this output. This is exclusively FYI human |
| // readable output. |
| void ToString(const pw_CpuExceptionState& cpu_state, |
| const std::span<char>& dest); |
| |
| } // namespace pw::cpu_exception |
