LLVM  6.0.0svn
DwarfStringPool.h
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1 //===- llvm/CodeGen/DwarfStringPool.h - Dwarf Debug Framework ---*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H
11 #define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H
12 
13 #include "llvm/ADT/StringMap.h"
14 #include "llvm/ADT/StringRef.h"
16 #include "llvm/Support/Allocator.h"
17 
18 namespace llvm {
19 
20 class AsmPrinter;
21 class MCSection;
22 
23 // Collection of strings for this unit and assorted symbols.
24 // A String->Symbol mapping of strings used by indirect
25 // references.
28 
30  StringRef Prefix;
31  unsigned NumBytes = 0;
32  bool ShouldCreateSymbols;
33 
34 public:
36 
38 
39  void emit(AsmPrinter &Asm, MCSection *StrSection,
40  MCSection *OffsetSection = nullptr);
41 
42  bool empty() const { return Pool.empty(); }
43 
44  /// Get a reference to an entry in the string pool.
46 };
47 
48 } // end namespace llvm
49 
50 #endif // LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H
Instances of this class represent a uniqued identifier for a section in the current translation unit...
Definition: MCSection.h:39
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
This file defines the MallocAllocator and BumpPtrAllocator interfaces.
String pool entry reference.
Data for a string pool entry.
Allocate memory in an ever growing pool, as if by bump-pointer.
Definition: Allocator.h:138
This class is intended to be used as a driving class for all asm writers.
Definition: AsmPrinter.h:77
StringMap - This is an unconventional map that is specialized for handling keys that are "strings"...
Definition: StringMap.h:224
EntryRef getEntry(AsmPrinter &Asm, StringRef Str)
Get a reference to an entry in the string pool.
bool empty() const
Definition: StringMap.h:111
void emit(AsmPrinter &Asm, MCSection *StrSection, MCSection *OffsetSection=nullptr)
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:49
DwarfStringPool(BumpPtrAllocator &A, AsmPrinter &Asm, StringRef Prefix)