1 //===-- llvm/CodeGen/DwarfStringPool.h - Dwarf Debug Framework -*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H
11 #define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H
13 #include "llvm/ADT/StringMap.h"
14 #include "llvm/CodeGen/AsmPrinter.h"
15 #include "llvm/Support/Allocator.h"
24 // Collection of strings for this unit and assorted symbols.
25 // A String->Symbol mapping of strings used by indirect
27 class DwarfStringPool {
28 StringMap<std::pair<MCSymbol *, unsigned>, BumpPtrAllocator &> Pool;
32 DwarfStringPool(BumpPtrAllocator &A, AsmPrinter &Asm, StringRef Prefix)
33 : Pool(A), Prefix(Prefix) {}
35 void emit(AsmPrinter &Asm, const MCSection *StrSection,
36 const MCSection *OffsetSection = nullptr);
38 /// \brief Returns an entry into the string pool with the given
40 MCSymbol *getSymbol(AsmPrinter &Asm, StringRef Str);
42 /// \brief Returns the index into the string pool with the given
44 unsigned getIndex(AsmPrinter &Asm, StringRef Str);
46 bool empty() const { return Pool.empty(); }