1 //===-- DIContext.h ---------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines DIContext, an abstract data structure that holds
11 // debug information data.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_DEBUGINFO_DICONTEXT_H
16 #define LLVM_DEBUGINFO_DICONTEXT_H
18 #include "llvm/ADT/DenseMap.h"
19 #include "llvm/ADT/SmallVector.h"
20 #include "llvm/Object/ObjectFile.h"
21 #include "llvm/Object/RelocVisitor.h"
22 #include "llvm/Support/Casting.h"
23 #include "llvm/Support/DataTypes.h"
30 /// DILineInfo - a format-neutral container for source line information.
33 std::string FunctionName;
38 : FileName("<invalid>"), FunctionName("<invalid>"), Line(0), Column(0) {}
40 bool operator==(const DILineInfo &RHS) const {
41 return Line == RHS.Line && Column == RHS.Column &&
42 FileName == RHS.FileName && FunctionName == RHS.FunctionName;
44 bool operator!=(const DILineInfo &RHS) const {
45 return !(*this == RHS);
49 typedef SmallVector<std::pair<uint64_t, DILineInfo>, 16> DILineInfoTable;
51 /// DIInliningInfo - a format-neutral container for inlined code description.
52 class DIInliningInfo {
53 SmallVector<DILineInfo, 4> Frames;
56 DILineInfo getFrame(unsigned Index) const {
57 assert(Index < Frames.size());
60 uint32_t getNumberOfFrames() const {
63 void addFrame(const DILineInfo &Frame) {
64 Frames.push_back(Frame);
68 /// A DINameKind is passed to name search methods to specify a
69 /// preference regarding the type of name resolution the caller wants.
70 enum class DINameKind { None, ShortName, LinkageName };
72 /// DILineInfoSpecifier - controls which fields of DILineInfo container
73 /// should be filled with data.
74 struct DILineInfoSpecifier {
75 enum class FileLineInfoKind { None, Default, AbsoluteFilePath };
76 typedef DINameKind FunctionNameKind;
78 FileLineInfoKind FLIKind;
79 FunctionNameKind FNKind;
81 DILineInfoSpecifier(FileLineInfoKind FLIKind = FileLineInfoKind::Default,
82 FunctionNameKind FNKind = FunctionNameKind::None)
83 : FLIKind(FLIKind), FNKind(FNKind) {}
86 /// Selects which debug sections get dumped.
112 DIDT_AppleNamespaces,
122 DIContextKind getKind() const { return Kind; }
124 DIContext(DIContextKind K) : Kind(K) {}
125 virtual ~DIContext() {}
127 virtual void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All) = 0;
129 virtual DILineInfo getLineInfoForAddress(uint64_t Address,
130 DILineInfoSpecifier Specifier = DILineInfoSpecifier()) = 0;
131 virtual DILineInfoTable getLineInfoForAddressRange(uint64_t Address,
132 uint64_t Size, DILineInfoSpecifier Specifier = DILineInfoSpecifier()) = 0;
133 virtual DIInliningInfo getInliningInfoForAddress(uint64_t Address,
134 DILineInfoSpecifier Specifier = DILineInfoSpecifier()) = 0;
136 const DIContextKind Kind;