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.AllocSectionsPrefix.empty() || !Common.KeepSection.empty() ||
  19       !Common.SymbolsToGlobalize.empty() || !Common.SymbolsToKeep.empty() ||
  20       !Common.SymbolsToLocalize.empty() || !Common.SymbolsToWeaken.empty() ||
  21       !Common.SymbolsToKeepGlobal.empty() || !Common.SectionsToRename.empty() ||
  22       !Common.SetSectionAlignment.empty() || !Common.SetSectionType.empty() ||
  23       Common.ExtractDWO || Common.PreserveDates || Common.StripDWO ||
  24       Common.StripNonAlloc || Common.StripSections || Common.Weaken ||
  25       Common.DecompressDebugSections ||
  26       Common.DiscardMode == DiscardType::Locals ||
  27       !Common.SymbolsToAdd.empty() || Common.GapFill != 0 || Common.PadTo != 0)
  28     return createStringError(llvm::errc::invalid_argument,
  29                              "option is not supported for COFF");
  30
  31   return COFF;
  32 }
  33
  34 Expected<const MachOConfig &> ConfigManager::getMachOConfig() const {
  35   if (!Common.SplitDWO.empty() || !Common.SymbolsPrefix.empty() ||
  36       !Common.AllocSectionsPrefix.empty() || !Common.KeepSection.empty() ||
  37       !Common.SymbolsToGlobalize.empty() || !Common.SymbolsToKeep.empty() ||
  38       !Common.SymbolsToLocalize.empty() ||
  39       !Common.SymbolsToKeepGlobal.empty() || !Common.SectionsToRename.empty() ||
  40       !Common.UnneededSymbolsToRemove.empty() ||
  41       !Common.SetSectionAlignment.empty() || !Common.SetSectionFlags.empty() ||
  42       !Common.SetSectionType.empty() || Common.ExtractDWO ||
  43       Common.PreserveDates || Common.StripAllGNU || Common.StripDWO ||
  44       Common.StripNonAlloc || Common.StripSections ||
  45       Common.DecompressDebugSections || Common.StripUnneeded ||
  46       Common.DiscardMode == DiscardType::Locals ||
  47       !Common.SymbolsToAdd.empty() || Common.GapFill != 0 || Common.PadTo != 0)
  48     return createStringError(llvm::errc::invalid_argument,
  49                              "option is not supported for MachO");
  50
  51   return MachO;
  52 }
  53
  54 Expected<const WasmConfig &> ConfigManager::getWasmConfig() const {
  55   if (!Common.AddGnuDebugLink.empty() || Common.ExtractPartition ||
  56       !Common.SplitDWO.empty() || !Common.SymbolsPrefix.empty() ||
  57       !Common.AllocSectionsPrefix.empty() ||
  58       Common.DiscardMode != DiscardType::None || !Common.SymbolsToAdd.empty() ||
  59       !Common.SymbolsToGlobalize.empty() || !Common.SymbolsToLocalize.empty() ||
  60       !Common.SymbolsToKeep.empty() || !Common.SymbolsToRemove.empty() ||
  61       !Common.UnneededSymbolsToRemove.empty() ||
  62       !Common.SymbolsToWeaken.empty() || !Common.SymbolsToKeepGlobal.empty() ||
  63       !Common.SectionsToRename.empty() || !Common.SetSectionAlignment.empty() ||
  64       !Common.SetSectionFlags.empty() || !Common.SetSectionType.empty() ||
  65       !Common.SymbolsToRename.empty() || Common.GapFill != 0 ||
  66       Common.PadTo != 0)
  67     return createStringError(llvm::errc::invalid_argument,
  68                              "only flags for section dumping, removal, and "
  69                              "addition are supported");
  70
  71   return Wasm;
  72 }
  73
  74 Expected<const XCOFFConfig &> ConfigManager::getXCOFFConfig() const {
  75   if (!Common.AddGnuDebugLink.empty() || Common.ExtractPartition ||
  76       !Common.SplitDWO.empty() || !Common.SymbolsPrefix.empty() ||
  77       !Common.AllocSectionsPrefix.empty() ||
  78       Common.DiscardMode != DiscardType::None || !Common.AddSection.empty() ||
  79       !Common.DumpSection.empty() || !Common.SymbolsToAdd.empty() ||
  80       !Common.KeepSection.empty() || !Common.OnlySection.empty() ||
  81       !Common.ToRemove.empty() || !Common.SymbolsToGlobalize.empty() ||
  82       !Common.SymbolsToKeep.empty() || !Common.SymbolsToLocalize.empty() ||
  83       !Common.SymbolsToRemove.empty() ||
  84       !Common.UnneededSymbolsToRemove.empty() ||
  85       !Common.SymbolsToWeaken.empty() || !Common.SymbolsToKeepGlobal.empty() ||
  86       !Common.SectionsToRename.empty() || !Common.SetSectionAlignment.empty() ||
  87       !Common.SetSectionFlags.empty() || !Common.SetSectionType.empty() ||
  88       !Common.SymbolsToRename.empty() || Common.ExtractDWO ||
  89       Common.ExtractMainPartition || Common.OnlyKeepDebug ||
  90       Common.PreserveDates || Common.StripAllGNU || Common.StripDWO ||
  91       Common.StripDebug || Common.StripNonAlloc || Common.StripSections ||
  92       Common.Weaken || Common.StripUnneeded || Common.DecompressDebugSections ||
  93       Common.GapFill != 0 || Common.PadTo != 0) {
  94     return createStringError(
  95         llvm::errc::invalid_argument,
  96         "no flags are supported yet, only basic copying is allowed");
  97   }
  98
  99   return XCOFF;
 100 }
 101
 102 } // end namespace objcopy
 103 } // end namespace llvm