llvm-6502/lib/CodeGen/AsmPrinter/DwarfStringPool.h
Benjamin Kramer 00e08fcaa0 Canonicalize header guards into a common format.
Add header guards to files that were missing guards. Remove #endif comments
as they don't seem common in LLVM (we can easily add them back if we decide
they're useful)

Changes made by clang-tidy with minor tweaks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215558 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-13 16:26:38 +00:00

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