llvm/lld/wasm/InputFiles.h

//===- InputFiles.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_WASM_INPUT_FILES_H
#define LLD_WASM_INPUT_FILES_H

#include "Symbols.h"
#include "lld/Common/LLVM.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/LTO/LTO.h"
#include "llvm/Object/Wasm.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/TargetParser/Triple.h"
#include <optional>
#include <vector>

namespace llvm {
class TarWriter;
}

namespace lld {
namespace wasm {

class InputChunk;
class InputFunction;
class InputSegment;
class InputGlobal;
class InputTag;
class InputTable;
class InputSection;

// If --reproduce option is given, all input files are written
// to this tar archive.
extern std::unique_ptr<llvm::TarWriter> tar;

class InputFile { … };

class WasmFileBase : public InputFile { … };

// .o file (wasm object file)
class ObjFile : public WasmFileBase { … };

// .so file.
class SharedFile : public WasmFileBase { … };

// .bc file
class BitcodeFile : public InputFile { … };

// Stub library (See docs/WebAssembly.rst)
class StubFile : public InputFile { … };

// Will report a fatal() error if the input buffer is not a valid bitcode
// or wasm object file.
InputFile *createObjectFile(MemoryBufferRef mb, StringRef archiveName = "",
                            uint64_t offsetInArchive = 0, bool lazy = false);

// Opens a given file.
std::optional<MemoryBufferRef> readFile(StringRef path);

} // namespace wasm

std::string toString(const wasm::InputFile *file);

} // namespace lld

#endif