LLVM  4.0.0
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"
15 #include "llvm/Support/Allocator.h"
16 #include <utility>
17 
18 namespace llvm {
19 
20 class AsmPrinter;
21 class MCSymbol;
22 class MCSection;
23 class StringRef;
24 
25 // Collection of strings for this unit and assorted symbols.
26 // A String->Symbol mapping of strings used by indirect
27 // references.
31  StringRef Prefix;
32  unsigned NumBytes = 0;
33  bool ShouldCreateSymbols;
34 
35 public:
37 
39 
40  void emit(AsmPrinter &Asm, MCSection *StrSection,
41  MCSection *OffsetSection = nullptr);
42 
43  bool empty() const { return Pool.empty(); }
44 
45  /// Get a reference to an entry in the string pool.
47 };
48 }
49 #endif
Instances of this class represent a uniqued identifier for a section in the current translation unit...
Definition: MCSection.h:40
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:67
DwarfStringPoolEntryRef EntryRef
StringMap - This is an unconventional map that is specialized for handling keys that are "strings"...
Definition: StringMap.h:223
EntryRef getEntry(AsmPrinter &Asm, StringRef Str)
Get a reference to an entry in the string pool.
void emit(AsmPrinter &Asm, MCSection *StrSection, MCSection *OffsetSection=nullptr)
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:47
static GCRegistry::Add< ErlangGC > A("erlang","erlang-compatible garbage collector")
DwarfStringPool(BumpPtrAllocator &A, AsmPrinter &Asm, StringRef Prefix)