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Current Path: /usr/src/contrib/llvm-project/lld/lib/ReaderWriter/MachO

usr / src / contrib / llvm-project / lld / lib / ReaderWriter / MachO /

📁 ..
📄 ArchHandler.cpp(4.36 KB)
📄 ArchHandler.h(12.86 KB)
📄 ArchHandler_arm.cpp(54.53 KB)
📄 ArchHandler_arm64.cpp(33.86 KB)
📄 ArchHandler_x86.cpp(24.04 KB)
📄 ArchHandler_x86_64.cpp(33.45 KB)
📄 Atoms.h(5.45 KB)
📄 CompactUnwindPass.cpp(21.9 KB)
📄 DebugInfo.h(2.52 KB)
📄 ExecutableAtoms.h(4.69 KB)
📄 File.h(17.28 KB)
📄 FlatNamespaceFile.h(1.87 KB)
📄 GOTPass.cpp(6.58 KB)
📄 LayoutPass.cpp(18.19 KB)
📄 LayoutPass.h(4.19 KB)
📄 MachOLinkingContext.cpp(33.61 KB)
📄 MachONormalizedFile.h(11.47 KB)
📄 MachONormalizedFileBinaryReader.cpp(22.82 KB)
📄 MachONormalizedFileBinaryUtils.h(6.93 KB)
📄 MachONormalizedFileBinaryWriter.cpp(56.33 KB)
📄 MachONormalizedFileFromAtoms.cpp(61.05 KB)
📄 MachONormalizedFileToAtoms.cpp(65.46 KB)
📄 MachONormalizedFileYAML.cpp(31.45 KB)
📄 MachOPasses.h(1.11 KB)
📄 ObjCPass.cpp(3.54 KB)
📄 SectCreateFile.h(3.01 KB)
📄 ShimPass.cpp(4.59 KB)
📄 StubsPass.cpp(12.03 KB)
📄 TLVPass.cpp(4.02 KB)
📄 WriterMachO.cpp(2.33 KB)

Editing: WriterMachO.cpp

//===- lib/ReaderWriter/MachO/WriterMachO.cpp -----------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "ExecutableAtoms.h"
#include "MachONormalizedFile.h"
#include "lld/Core/File.h"
#include "lld/Core/Writer.h"
#include "lld/ReaderWriter/MachOLinkingContext.h"
#include "llvm/BinaryFormat/MachO.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileOutputBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include <system_error>

using lld::mach_o::normalized::NormalizedFile;

namespace lld {
namespace mach_o {

class MachOWriter : public Writer {
public:
  MachOWriter(const MachOLinkingContext &ctxt) : _ctx(ctxt) {}

llvm::Error writeFile(const lld::File &file, StringRef path) override {
    // Construct empty normalized file from atoms.
    llvm::Expected<std::unique_ptr<NormalizedFile>> nFile =
        normalized::normalizedFromAtoms(file, _ctx);
    if (auto ec = nFile.takeError())
      return ec;

// For testing, write out yaml form of normalized file.
    if (_ctx.printAtoms()) {
      std::unique_ptr<Writer> yamlWriter = createWriterYAML(_ctx);
      if (auto ec = yamlWriter->writeFile(file, "-"))
        return ec;
    }

// Write normalized file as mach-o binary.
    return writeBinary(*nFile->get(), path);
  }

void createImplicitFiles(std::vector<std::unique_ptr<File>> &r) override {
    // When building main executables, add _main as required entry point.
    if (_ctx.outputTypeHasEntry())
      r.emplace_back(new CEntryFile(_ctx));
    // If this can link with dylibs, need helper function (dyld_stub_binder).
    if (_ctx.needsStubsPass())
      r.emplace_back(new StubHelperFile(_ctx));
    // Final linked images can access a symbol for their mach_header.
    if (_ctx.outputMachOType() != llvm::MachO::MH_OBJECT)
      r.emplace_back(new MachHeaderAliasFile(_ctx));
  }
private:
  const MachOLinkingContext &_ctx;
 };

} // namespace mach_o

std::unique_ptr<Writer> createWriterMachO(const MachOLinkingContext &context) {
  return std::unique_ptr<Writer>(new lld::mach_o::MachOWriter(context));
}

} // namespace lld

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Editing: WriterMachO.cpp

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