| //===-- Utils/ELF.h - Common ELF functionality ------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Common ELF functionality for target plugins. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_OPENMP_LIBOMPTARGET_PLUGINS_ELF_UTILS_H |
| #define LLVM_OPENMP_LIBOMPTARGET_PLUGINS_ELF_UTILS_H |
| |
| #include "Shared/PluginAPI.h" |
| |
| #include "llvm/Object/ELF.h" |
| #include "llvm/Object/ELFObjectFile.h" |
| |
| namespace utils { |
| namespace elf { |
| |
| /// Returns true or false if the \p Buffer is an ELF file. |
| bool isELF(llvm::StringRef Buffer); |
| |
| /// Checks if the given \p Object is a valid ELF matching the e_machine value. |
| llvm::Expected<bool> checkMachine(llvm::StringRef Object, uint16_t EMachine); |
| |
| /// Returns the symbol associated with the \p Name in the \p Obj. It will |
| /// first search for the hash sections to identify symbols from the hash table. |
| /// If that fails it will fall back to a linear search in the case of an |
| /// executable file without a hash table. If the symbol is found, it returns |
| /// a StringRef covering the symbol's data in the Obj buffer, based on its |
| /// address and size; otherwise, it returns std::nullopt. |
| llvm::Expected<std::optional<llvm::StringRef>> |
| findSymbolInImage(const llvm::StringRef Obj, llvm::StringRef Name); |
| |
| } // namespace elf |
| } // namespace utils |
| |
| #endif // LLVM_OPENMP_LIBOMPTARGET_PLUGINS_ELF_UTILS_H |
