| //===- MachOObjcopy.cpp -----------------------------------------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "MachOObjcopy.h" |
| #include "../CopyConfig.h" |
| #include "MachOReader.h" |
| #include "MachOWriter.h" |
| #include "llvm/Support/Errc.h" |
| #include "llvm/Support/Error.h" |
| |
| namespace llvm { |
| namespace objcopy { |
| namespace macho { |
| |
| using namespace object; |
| |
| static Error handleArgs(const CopyConfig &Config, Object &Obj) { |
| if (Config.AllowBrokenLinks || !Config.BuildIdLinkDir.empty() || |
| Config.BuildIdLinkInput || Config.BuildIdLinkOutput || |
| !Config.SplitDWO.empty() || !Config.SymbolsPrefix.empty() || |
| !Config.AllocSectionsPrefix.empty() || !Config.AddSection.empty() || |
| !Config.DumpSection.empty() || !Config.KeepSection.empty() || |
| !Config.OnlySection.empty() || !Config.SymbolsToGlobalize.empty() || |
| !Config.SymbolsToKeep.empty() || !Config.SymbolsToLocalize.empty() || |
| !Config.SymbolsToWeaken.empty() || !Config.SymbolsToKeepGlobal.empty() || |
| !Config.SectionsToRename.empty() || !Config.SymbolsToRename.empty() || |
| !Config.UnneededSymbolsToRemove.empty() || |
| !Config.SetSectionFlags.empty() || !Config.ToRemove.empty() || |
| Config.ExtractDWO || Config.KeepFileSymbols || Config.LocalizeHidden || |
| Config.PreserveDates || Config.StripDWO || Config.StripNonAlloc || |
| Config.StripSections || Config.Weaken || Config.DecompressDebugSections || |
| Config.StripDebug || Config.StripNonAlloc || Config.StripSections || |
| Config.StripUnneeded || Config.DiscardMode != DiscardType::None || |
| !Config.SymbolsToAdd.empty() || Config.EntryExpr) { |
| return createStringError(llvm::errc::invalid_argument, |
| "option not supported by llvm-objcopy for MachO"); |
| } |
| |
| return Error::success(); |
| } |
| |
| Error executeObjcopyOnBinary(const CopyConfig &Config, |
| object::MachOObjectFile &In, Buffer &Out) { |
| MachOReader Reader(In); |
| std::unique_ptr<Object> O = Reader.create(); |
| if (!O) |
| return createFileError( |
| Config.InputFilename, |
| createStringError(object_error::parse_failed, |
| "unable to deserialize MachO object")); |
| |
| if (Error E = handleArgs(Config, *O)) |
| return createFileError(Config.InputFilename, std::move(E)); |
| |
| MachOWriter Writer(*O, In.is64Bit(), In.isLittleEndian(), Out); |
| if (auto E = Writer.finalize()) |
| return E; |
| return Writer.write(); |
| } |
| |
| } // end namespace macho |
| } // end namespace objcopy |
| } // end namespace llvm |