| //===-- 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/DwarfStringPoolEntry.h" |
| #include "llvm/Support/Allocator.h" |
| #include <utility> |
| |
| namespace llvm { |
| |
| class AsmPrinter; |
| 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 { |
| typedef DwarfStringPoolEntry EntryTy; |
| StringMap<EntryTy, BumpPtrAllocator &> Pool; |
| StringRef Prefix; |
| unsigned NumBytes = 0; |
| bool ShouldCreateSymbols; |
| |
| public: |
| typedef DwarfStringPoolEntryRef EntryRef; |
| |
| DwarfStringPool(BumpPtrAllocator &A, AsmPrinter &Asm, StringRef Prefix); |
| |
| void emit(AsmPrinter &Asm, MCSection *StrSection, |
| MCSection *OffsetSection = nullptr); |
| |
| bool empty() const { return Pool.empty(); } |
| |
| /// Get a reference to an entry in the string pool. |
| EntryRef getEntry(AsmPrinter &Asm, StringRef Str); |
| }; |
| } |
| #endif |