llvm/lib/ObjCopy/ConfigManager.cpp

   1 //===- ConfigManager.cpp --------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/ObjCopy/ConfigManager.h"
  10 #include "llvm/Support/Errc.h"
  11 #include "llvm/Support/Error.h"
  12
  13 namespace llvm {
  14 namespace objcopy {
  15
  16 Expected<const COFFConfig &> ConfigManager::getCOFFConfig() const {
  17   if (!Common.SplitDWO.empty() || !Common.SymbolsPrefix.empty() ||
  18       !Common.SymbolsPrefixRemove.empty() || !Common.SymbolsToSkip.empty() ||
  19       !Common.AllocSectionsPrefix.empty() || !Common.KeepSection.empty() ||
  20       !Common.SymbolsToGlobalize.empty() || !Common.SymbolsToKeep.empty() ||
  21       !Common.SymbolsToLocalize.empty() || !Common.SymbolsToWeaken.empty() ||
  22       !Common.SymbolsToKeepGlobal.empty() || !Common.SectionsToRename.empty() ||
  23       !Common.SetSectionAlignment.empty() || !Common.SetSectionType.empty() ||
  24       Common.ExtractDWO || Common.PreserveDates || Common.StripDWO ||
  25       Common.StripNonAlloc || Common.StripSections || Common.Weaken ||
  26       Common.DecompressDebugSections ||
  27       Common.DiscardMode == DiscardType::Locals ||
  28       !Common.SymbolsToAdd.empty() || Common.GapFill != 0 ||
  29       Common.PadTo != 0 || Common.ChangeSectionLMAValAll != 0 ||
  30       !Common.ChangeSectionAddress.empty())
  31     return createStringError(llvm::errc::invalid_argument,
  32                              "option is not supported for COFF");
  33
  34   return COFF;
  35 }
  36
  37 Expected<const MachOConfig &> ConfigManager::getMachOConfig() const {
  38   if (!Common.SplitDWO.empty() || !Common.SymbolsPrefix.empty() ||
  39       !Common.SymbolsPrefixRemove.empty() || !Common.SymbolsToSkip.empty() ||
  40       !Common.AllocSectionsPrefix.empty() || !Common.KeepSection.empty() ||
  41       !Common.SymbolsToGlobalize.empty() || !Common.SymbolsToKeep.empty() ||
  42       !Common.SymbolsToLocalize.empty() ||
  43       !Common.SymbolsToKeepGlobal.empty() || !Common.SectionsToRename.empty() ||
  44       !Common.UnneededSymbolsToRemove.empty() ||
  45       !Common.SetSectionAlignment.empty() || !Common.SetSectionFlags.empty() ||
  46       !Common.SetSectionType.empty() || Common.ExtractDWO ||
  47       Common.PreserveDates || Common.StripAllGNU || Common.StripDWO ||
  48       Common.StripNonAlloc || Common.StripSections ||
  49       Common.DecompressDebugSections || Common.StripUnneeded ||
  50       Common.DiscardMode == DiscardType::Locals ||
  51       !Common.SymbolsToAdd.empty() || Common.GapFill != 0 ||
  52       Common.PadTo != 0 || Common.ChangeSectionLMAValAll != 0 ||
  53       !Common.ChangeSectionAddress.empty())
  54     return createStringError(llvm::errc::invalid_argument,
  55                              "option is not supported for MachO");
  56
  57   return MachO;
  58 }
  59
  60 Expected<const WasmConfig &> ConfigManager::getWasmConfig() const {
  61   if (!Common.AddGnuDebugLink.empty() || Common.ExtractPartition ||
  62       !Common.SplitDWO.empty() || !Common.SymbolsPrefix.empty() ||
  63       !Common.SymbolsPrefixRemove.empty() || !Common.SymbolsToSkip.empty() ||
  64       !Common.AllocSectionsPrefix.empty() ||
  65       Common.DiscardMode != DiscardType::None || !Common.SymbolsToAdd.empty() ||
  66       !Common.SymbolsToGlobalize.empty() || !Common.SymbolsToLocalize.empty() ||
  67       !Common.SymbolsToKeep.empty() || !Common.SymbolsToRemove.empty() ||
  68       !Common.UnneededSymbolsToRemove.empty() ||
  69       !Common.SymbolsToWeaken.empty() || !Common.SymbolsToKeepGlobal.empty() ||
  70       !Common.SectionsToRename.empty() || !Common.SetSectionAlignment.empty() ||
  71       !Common.SetSectionFlags.empty() || !Common.SetSectionType.empty() ||
  72       !Common.SymbolsToRename.empty() || Common.GapFill != 0 ||
  73       Common.PadTo != 0 || Common.ChangeSectionLMAValAll != 0 ||
  74       !Common.ChangeSectionAddress.empty())
  75     return createStringError(llvm::errc::invalid_argument,
  76                              "only flags for section dumping, removal, and "
  77                              "addition are supported");
  78
  79   return Wasm;
  80 }
  81
  82 Expected<const XCOFFConfig &> ConfigManager::getXCOFFConfig() const {
  83   if (!Common.AddGnuDebugLink.empty() || Common.ExtractPartition ||
  84       !Common.SplitDWO.empty() || !Common.SymbolsPrefix.empty() ||
  85       !Common.SymbolsPrefixRemove.empty() || !Common.SymbolsToSkip.empty() ||
  86       !Common.AllocSectionsPrefix.empty() ||
  87       Common.DiscardMode != DiscardType::None || !Common.AddSection.empty() ||
  88       !Common.DumpSection.empty() || !Common.SymbolsToAdd.empty() ||
  89       !Common.KeepSection.empty() || !Common.OnlySection.empty() ||
  90       !Common.ToRemove.empty() || !Common.SymbolsToGlobalize.empty() ||
  91       !Common.SymbolsToKeep.empty() || !Common.SymbolsToLocalize.empty() ||
  92       !Common.SymbolsToRemove.empty() ||
  93       !Common.UnneededSymbolsToRemove.empty() ||
  94       !Common.SymbolsToWeaken.empty() || !Common.SymbolsToKeepGlobal.empty() ||
  95       !Common.SectionsToRename.empty() || !Common.SetSectionAlignment.empty() ||
  96       !Common.SetSectionFlags.empty() || !Common.SetSectionType.empty() ||
  97       !Common.SymbolsToRename.empty() || Common.ExtractDWO ||
  98       Common.ExtractMainPartition || Common.OnlyKeepDebug ||
  99       Common.PreserveDates || Common.StripAllGNU || Common.StripDWO ||
 100       Common.StripDebug || Common.StripNonAlloc || Common.StripSections ||
 101       Common.Weaken || Common.StripUnneeded || Common.DecompressDebugSections ||
 102       Common.GapFill != 0 || Common.PadTo != 0 ||
 103       Common.ChangeSectionLMAValAll != 0 ||
 104       !Common.ChangeSectionAddress.empty()) {
 105     return createStringError(
 106         llvm::errc::invalid_argument,
 107         "no flags are supported yet, only basic copying is allowed");
 108   }
 109
 110   return XCOFF;
 111 }
 112
 113 } // end namespace objcopy
 114 } // end namespace llvm