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clang-p2996/lld/ELF/Writer.h
2024-10-06 19:36:21 -07:00

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1.5 KiB
C++

//===- 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/StringRef.h"
#include <cstdint>
namespace lld::elf {
class InputFile;
class OutputSection;
void copySectionsIntoPartitions(Ctx &ctx);
template <class ELFT> void writeResult(Ctx &ctx);
// 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(Ctx &ctx, unsigned type, unsigned flags)
: p_align(type == llvm::ELF::PT_LOAD ? ctx.arg.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(Ctx &ctx);
bool includeInSymtab(Ctx &, const Symbol &);
unsigned getSectionRank(Ctx &, OutputSection &osec);
} // namespace lld::elf
#endif