Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 | #ifndef _LIBUNWINDSTACK_ERROR_H |
| 18 | #define _LIBUNWINDSTACK_ERROR_H |
| 19 | |
| 20 | #include <stdint.h> |
| 21 | |
| 22 | namespace unwindstack { |
| 23 | |
| 24 | enum ErrorCode : uint8_t { |
| 25 | ERROR_NONE, // No error. |
| 26 | ERROR_MEMORY_INVALID, // Memory read failed. |
| 27 | ERROR_UNWIND_INFO, // Unable to use unwind information to unwind. |
| 28 | ERROR_UNSUPPORTED, // Encountered unsupported feature. |
| 29 | ERROR_INVALID_MAP, // Unwind in an invalid map. |
| 30 | ERROR_MAX_FRAMES_EXCEEDED, // The number of frames exceed the total allowed. |
| 31 | ERROR_REPEATED_FRAME, // The last frame has the same pc/sp as the next. |
| 32 | }; |
| 33 | |
| 34 | struct ErrorData { |
| 35 | ErrorCode code; |
| 36 | uint64_t address; // Only valid when code is ERROR_MEMORY_INVALID. |
| 37 | // Indicates the failing address. |
| 38 | }; |
| 39 | |
| 40 | } // namespace unwindstack |
| 41 | |
| 42 | #endif // _LIBUNWINDSTACK_ERROR_H |