llvm/llvm/tools/yaml2obj/yaml2obj.cpp

//===- yaml2obj - Convert YAML to a binary object file --------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This program takes a YAML description of an object file and outputs the
// binary equivalent.
//
// This is used for writing tests that require binary files.
//
//===----------------------------------------------------------------------===//

#include "llvm/ObjectYAML/yaml2obj.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ObjectYAML/ObjectYAML.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/WithColor.h"
#include "llvm/Support/YAMLTraits.h"
#include "llvm/Support/raw_ostream.h"
#include <optional>
#include <system_error>

usingnamespacellvm;

namespace {
cl::OptionCategory Cat("yaml2obj Options");

cl::opt<std::string> Input(cl::Positional, cl::desc("<input file>"),
                           cl::init("-"), cl::cat(Cat));

cl::list<std::string>
    D("D", cl::Prefix,
      cl::desc("Defined the specified macros to their specified "
               "definition. The syntax is <macro>=<definition>"),
      cl::cat(Cat));

cl::opt<bool> PreprocessOnly("E", cl::desc("Just print the preprocessed file"),
                             cl::cat(Cat));

cl::opt<unsigned>
    DocNum("docnum", cl::init(1),
           cl::desc("Read specified document from input (default = 1)"),
           cl::cat(Cat));

static cl::opt<uint64_t> MaxSize(
    "max-size", cl::init(10 * 1024 * 1024),
    cl::desc(
        "Sets the maximum allowed output size (0 means no limit) [ELF only]"),
    cl::cat(Cat));

cl::opt<std::string> OutputFilename("o", cl::desc("Output filename"),
                                    cl::value_desc("filename"), cl::init("-"),
                                    cl::Prefix, cl::cat(Cat));
} // namespace

static std::optional<std::string> preprocess(StringRef Buf,
                                             yaml::ErrorHandler ErrHandler) { … }

int main(int argc, char **argv) { … }