| // Copyright 2021 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. |
| #pragma once |
| |
| #include <cstddef> |
| |
| #include "pw_span/span.h" |
| |
| namespace pw::build_info { |
| |
| // Build IDs may be generated with several different algorithms. The largest of |
| // these (aside from user-provided build IDs) are a fixed size of 20 bytes. |
| inline constexpr size_t kMaxBuildIdSizeBytes = 20; |
| |
| // Reads a GNU build ID from the address starting at the address of the |
| // `gnu_build_id_begin` symbol. This must be manually explicitly provided as |
| // part of a linker script. See build_id_linker_snippet.ld for an example. |
| span<const std::byte> BuildId(); |
| |
| } // namespace pw::build_info |