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49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
//===-- llvm/CodeGen/DwarfStringPool.h - Dwarf Debug Framework -*- C++ -*--===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H
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#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H
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#include "llvm/ADT/StringMap.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/Support/Allocator.h"
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#include <utility>
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namespace llvm {
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class MCSymbol;
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class MCSection;
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class StringRef;
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// Collection of strings for this unit and assorted symbols.
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// A String->Symbol mapping of strings used by indirect
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// references.
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class DwarfStringPool {
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StringMap<std::pair<MCSymbol *, unsigned>, BumpPtrAllocator &> Pool;
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StringRef Prefix;
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public:
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DwarfStringPool(BumpPtrAllocator &A, AsmPrinter &Asm, StringRef Prefix)
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: Pool(A), Prefix(Prefix) {}
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void emit(AsmPrinter &Asm, const MCSection *StrSection,
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const MCSection *OffsetSection = nullptr);
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/// \brief Returns an entry into the string pool with the given
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/// string text.
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MCSymbol *getSymbol(AsmPrinter &Asm, StringRef Str);
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/// \brief Returns the index into the string pool with the given
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/// string text.
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unsigned getIndex(AsmPrinter &Asm, StringRef Str);
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bool empty() const { return Pool.empty(); }
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};
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}
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#endif
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