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/Support/DataExtractor.h" 15 #include <cstdint> 16 17 namespace llvm { 18 19 class raw_ostream; 20 21 class DWARFDebugMacro { 22 /// A single macro entry within a macro list. 23 struct Entry { 24 /// The type of the macro entry. 25 uint32_t Type; 26 union { 27 /// The source line where the macro is defined. 28 uint64_t Line; 29 /// Vendor extension constant value. 30 uint64_t ExtConstant; 31 }; 32 33 union { 34 /// The string (name, value) of the macro entry. 35 const char *MacroStr; 36 // An unsigned integer indicating the identity of the source file. 37 uint64_t File; 38 /// Vendor extension string. 39 const char *ExtStr; 40 }; 41 }; 42 43 using MacroList = SmallVector<Entry, 4>; 44 45 /// A list of all the macro entries in the debug_macinfo section. 46 MacroList Macros; 47 48 public: 49 DWARFDebugMacro() = default; 50 51 /// Print the macro list found within the debug_macinfo section. 52 void dump(raw_ostream &OS) const; 53 54 /// Parse the debug_macinfo section accessible via the 'data' parameter. 55 void parse(DataExtractor data); 56 57 /// Return whether the section has any entries. 58 bool empty() const { return Macros.empty(); } 59 }; 60 61 } // end namespace llvm 62 63 #endif // LLVM_DEBUGINFO_DWARF_DWARFDEBUGMACRO_H 64
