1 //===-- DIContext.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 // This file defines DIContext, an abstract data structure that holds 11 // debug information data. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_DEBUGINFO_DICONTEXT_H 16 #define LLVM_DEBUGINFO_DICONTEXT_H 17 18 #include "llvm/ADT/StringRef.h" 19 #include "llvm/Support/DataTypes.h" 20 #include <cstring> 21 22 namespace llvm { 23 24 class raw_ostream; 25 26 /// DILineInfo - a format-neutral container for source line information. 27 class DILineInfo { 28 const char *FileName; 29 uint32_t Line; 30 uint32_t Column; 31 public: 32 DILineInfo() : FileName("<invalid>"), Line(0), Column(0) {} 33 DILineInfo(const char *fileName, uint32_t line, uint32_t column) 34 : FileName(fileName), Line(line), Column(column) {} 35 36 const char *getFileName() const { return FileName; } 37 uint32_t getLine() const { return Line; } 38 uint32_t getColumn() const { return Column; } 39 40 bool operator==(const DILineInfo &RHS) const { 41 return Line == RHS.Line && Column == RHS.Column && 42 std::strcmp(FileName, RHS.FileName) == 0; 43 } 44 bool operator!=(const DILineInfo &RHS) const { 45 return !(*this == RHS); 46 } 47 }; 48 49 class DIContext { 50 public: 51 virtual ~DIContext(); 52 53 /// getDWARFContext - get a context for binary DWARF data. 54 static DIContext *getDWARFContext(bool isLittleEndian, 55 StringRef infoSection, 56 StringRef abbrevSection, 57 StringRef aRangeSection = StringRef(), 58 StringRef lineSection = StringRef(), 59 StringRef stringSection = StringRef()); 60 61 virtual void dump(raw_ostream &OS) = 0; 62 63 virtual DILineInfo getLineInfoForAddress(uint64_t address) = 0; 64 }; 65 66 } 67 68 #endif 69
