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50 lines
1.4 KiB
50 lines
1.4 KiB
4 months ago
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//===-- 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/DwarfStringPoolEntry.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 AsmPrinter;
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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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typedef DwarfStringPoolEntry EntryTy;
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StringMap<EntryTy, BumpPtrAllocator &> Pool;
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StringRef Prefix;
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unsigned NumBytes = 0;
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bool ShouldCreateSymbols;
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public:
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typedef DwarfStringPoolEntryRef EntryRef;
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DwarfStringPool(BumpPtrAllocator &A, AsmPrinter &Asm, StringRef Prefix);
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void emit(AsmPrinter &Asm, MCSection *StrSection,
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MCSection *OffsetSection = nullptr);
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bool empty() const { return Pool.empty(); }
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/// Get a reference to an entry in the string pool.
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EntryRef getEntry(AsmPrinter &Asm, StringRef Str);
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};
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}
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#endif
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