| //===- Writer.h -------------------------------------------------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLD_ELF_WRITER_H |
| #define LLD_ELF_WRITER_H |
| |
| #include "Config.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/StringRef.h" |
| #include <cstdint> |
| #include <memory> |
| |
| namespace lld { |
| namespace elf { |
| class InputFile; |
| class OutputSection; |
| class InputSectionBase; |
| void copySectionsIntoPartitions(); |
| template <class ELFT> void createSyntheticSections(); |
| void combineEhSections(); |
| template <class ELFT> void writeResult(); |
| |
| // This describes a program header entry. |
| // Each contains type, access flags and range of output sections that will be |
| // placed in it. |
| struct PhdrEntry { |
| PhdrEntry(unsigned type, unsigned flags) |
| : p_align(type == llvm::ELF::PT_LOAD ? config->maxPageSize : 0), |
| p_type(type), p_flags(flags) {} |
| void add(OutputSection *sec); |
| |
| uint64_t p_paddr = 0; |
| uint64_t p_vaddr = 0; |
| uint64_t p_memsz = 0; |
| uint64_t p_filesz = 0; |
| uint64_t p_offset = 0; |
| uint32_t p_align = 0; |
| uint32_t p_type = 0; |
| uint32_t p_flags = 0; |
| |
| OutputSection *firstSec = nullptr; |
| OutputSection *lastSec = nullptr; |
| bool hasLMA = false; |
| |
| uint64_t lmaOffset = 0; |
| }; |
| |
| void addReservedSymbols(); |
| |
| template <class ELFT> uint32_t calcMipsEFlags(); |
| |
| uint8_t getMipsFpAbiFlag(uint8_t oldFlag, uint8_t newFlag, |
| llvm::StringRef fileName); |
| |
| bool isMipsN32Abi(const InputFile *f); |
| bool isMicroMips(); |
| bool isMipsR6(); |
| } // namespace elf |
| } // namespace lld |
| |
| #endif |