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32a6e9d669
Remove support for obfuscated bitcode in dsymutil and the DWARF linker. We no longer support bitcode submissions and the obfuscation support has been removed from the rest of the compiler. rdar://123863918
75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
//===- StringEntryToDwarfStringPoolEntryMap.h -------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_DWARFLINKER_PARALLEL_STRINGENTRYTODWARFSTRINGPOOLENTRYMAP_H
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#define LLVM_LIB_DWARFLINKER_PARALLEL_STRINGENTRYTODWARFSTRINGPOOLENTRYMAP_H
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#include "DWARFLinkerGlobalData.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/DWARFLinker/StringPool.h"
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namespace llvm {
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namespace dwarf_linker {
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namespace parallel {
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/// This class creates a DwarfStringPoolEntry for the corresponding StringEntry.
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class StringEntryToDwarfStringPoolEntryMap {
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public:
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StringEntryToDwarfStringPoolEntryMap(LinkingGlobalData &GlobalData)
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: GlobalData(GlobalData) {}
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~StringEntryToDwarfStringPoolEntryMap() {}
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/// Create DwarfStringPoolEntry for specified StringEntry if necessary.
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/// Initialize DwarfStringPoolEntry with initial values.
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DwarfStringPoolEntryWithExtString *add(const StringEntry *String) {
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DwarfStringPoolEntriesTy::iterator it = DwarfStringPoolEntries.find(String);
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if (it == DwarfStringPoolEntries.end()) {
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DwarfStringPoolEntryWithExtString *DataPtr =
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GlobalData.getAllocator()
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.Allocate<DwarfStringPoolEntryWithExtString>();
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DataPtr->String = String->getKey();
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DataPtr->Index = DwarfStringPoolEntry::NotIndexed;
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DataPtr->Offset = 0;
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DataPtr->Symbol = nullptr;
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it = DwarfStringPoolEntries.insert(std::make_pair(String, DataPtr)).first;
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}
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assert(it->second != nullptr);
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return it->second;
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}
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/// Returns already existed DwarfStringPoolEntry for the specified
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/// StringEntry.
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DwarfStringPoolEntryWithExtString *
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getExistingEntry(const StringEntry *String) const {
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DwarfStringPoolEntriesTy::const_iterator it =
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DwarfStringPoolEntries.find(String);
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assert(it != DwarfStringPoolEntries.end());
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assert(it->second != nullptr);
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return it->second;
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}
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/// Erase contents of StringsForEmission.
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void clear() { DwarfStringPoolEntries.clear(); }
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protected:
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using DwarfStringPoolEntriesTy =
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DenseMap<const StringEntry *, DwarfStringPoolEntryWithExtString *>;
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DwarfStringPoolEntriesTy DwarfStringPoolEntries;
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LinkingGlobalData &GlobalData;
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};
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} // end of namespace parallel
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} // end of namespace dwarf_linker
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} // end of namespace llvm
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#endif // LLVM_LIB_DWARFLINKER_PARALLEL_STRINGENTRYTODWARFSTRINGPOOLENTRYMAP_H
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