/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/CodeGen/AsmPrinter/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" |
15 | | #include "llvm/CodeGen/DwarfStringPoolEntry.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. |
26 | | class DwarfStringPool { |
27 | | using EntryTy = DwarfStringPoolEntry; |
28 | | |
29 | | StringMap<EntryTy, BumpPtrAllocator &> Pool; |
30 | | StringRef Prefix; |
31 | | unsigned NumBytes = 0; |
32 | | bool ShouldCreateSymbols; |
33 | | |
34 | | public: |
35 | | using EntryRef = DwarfStringPoolEntryRef; |
36 | | |
37 | | DwarfStringPool(BumpPtrAllocator &A, AsmPrinter &Asm, StringRef Prefix); |
38 | | |
39 | | void emit(AsmPrinter &Asm, MCSection *StrSection, |
40 | | MCSection *OffsetSection = nullptr); |
41 | | |
42 | 0 | bool empty() const { return Pool.empty(); } |
43 | | |
44 | | /// Get a reference to an entry in the string pool. |
45 | | EntryRef getEntry(AsmPrinter &Asm, StringRef Str); |
46 | | }; |
47 | | |
48 | | } // end namespace llvm |
49 | | |
50 | | #endif // LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H |