DWARFDebugMacro.h revision 292915 
1//===-- DWARFDebugMacro.h ---------------------------------------*- 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_DEBUGINFO_DWARF_DWARFDEBUGMACRO_H
11#define LLVM_DEBUGINFO_DWARF_DWARFDEBUGMACRO_H
12
13#include "llvm/ADT/SmallVector.h"
14#include "llvm/ADT/StringRef.h"
15#include "llvm/Support/DataExtractor.h"
16#include "llvm/Support/Dwarf.h"
17
18namespace llvm {
19
20class raw_ostream;
21
22class DWARFDebugMacro {
23  /// A single macro entry within a macro list.
24  struct Entry {
25    /// The type of the macro entry.
26    uint32_t Type;
27    union {
28      /// The source line where the macro is defined.
29      uint64_t Line;
30      /// Vendor extension constant value.
31      uint64_t ExtConstant;
32    };
33
34    union {
35      /// The string (name, value) of the macro entry.
36      const char *MacroStr;
37      // An unsigned integer indicating the identity of the source file.
38      uint64_t File;
39      /// Vendor extension string.
40      const char *ExtStr;
41    };
42  };
43
44  typedef SmallVector<Entry, 4> MacroList;
45
46  /// A list of all the macro entries in the debug_macinfo section.
47  MacroList Macros;
48
49public:
50  DWARFDebugMacro() {}
51  /// Print the macro list found within the debug_macinfo section.
52  void dump(raw_ostream &OS) const;
53  /// Parse the debug_macinfo section accessible via the 'data' parameter.
54  void parse(DataExtractor data);
55};
56
57}
58
59#endif
60