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|
1 //===- DebugInfo.h - Debug Information Helpers ------------------*- C++ -*-===//
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 // The LLVM Compiler Infrastructure
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
5 // This file is distributed under the University of Illinois Open Source
|
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6 // License. See LICENSE.TXT for details.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 //===----------------------------------------------------------------------===//
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 // This file defines a bunch of datatypes that are useful for creating and
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11 // walking debug info in LLVM IR form. They essentially provide wrappers around
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 // the information in the global variables that's needed when constructing the
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 // DWARF information.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 //===----------------------------------------------------------------------===//
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16
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17 #ifndef LLVM_IR_DEBUGINFO_H
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18 #define LLVM_IR_DEBUGINFO_H
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19
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20 #include "llvm/ADT/DenseMap.h"
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21 #include "llvm/ADT/SmallPtrSet.h"
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22 #include "llvm/ADT/SmallVector.h"
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23 #include "llvm/ADT/StringRef.h"
|
|
83
|
24 #include "llvm/ADT/iterator_range.h"
|
|
|
25 #include "llvm/IR/DebugInfoMetadata.h"
|
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26 #include "llvm/Support/Casting.h"
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27 #include "llvm/Support/Dwarf.h"
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|
83
|
28 #include "llvm/Support/ErrorHandling.h"
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|
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29 #include <iterator>
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30
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31 namespace llvm {
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32 class BasicBlock;
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33 class Constant;
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34 class Function;
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35 class GlobalVariable;
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36 class Module;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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37 class Type;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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38 class Value;
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39 class DbgDeclareInst;
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40 class DbgValueInst;
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41 class Instruction;
|
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83
|
42 class Metadata;
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43 class MDNode;
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44 class MDString;
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45 class NamedMDNode;
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46 class LLVMContext;
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47 class raw_ostream;
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48
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49 class DIFile;
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50 class DISubprogram;
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51 class DILexicalBlock;
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52 class DILexicalBlockFile;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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53 class DIVariable;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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54 class DIType;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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55 class DIScope;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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56 class DIObjCProperty;
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57
|
|
83
|
58 /// \brief Maps from type identifier to the actual MDNode.
|
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59 typedef DenseMap<const MDString *, MDNode *> DITypeIdentifierMap;
|
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60
|
|
83
|
61 class DIHeaderFieldIterator
|
|
|
62 : public std::iterator<std::input_iterator_tag, StringRef, std::ptrdiff_t,
|
|
|
63 const StringRef *, StringRef> {
|
|
|
64 StringRef Header;
|
|
|
65 StringRef Current;
|
|
|
66
|
|
|
67 public:
|
|
|
68 DIHeaderFieldIterator() {}
|
|
|
69 explicit DIHeaderFieldIterator(StringRef Header)
|
|
|
70 : Header(Header), Current(Header.slice(0, Header.find('\0'))) {}
|
|
|
71 StringRef operator*() const { return Current; }
|
|
|
72 const StringRef *operator->() const { return &Current; }
|
|
|
73 DIHeaderFieldIterator &operator++() {
|
|
|
74 increment();
|
|
|
75 return *this;
|
|
|
76 }
|
|
|
77 DIHeaderFieldIterator operator++(int) {
|
|
|
78 DIHeaderFieldIterator X(*this);
|
|
|
79 increment();
|
|
|
80 return X;
|
|
|
81 }
|
|
|
82 bool operator==(const DIHeaderFieldIterator &X) const {
|
|
|
83 return Current.data() == X.Current.data();
|
|
|
84 }
|
|
|
85 bool operator!=(const DIHeaderFieldIterator &X) const {
|
|
|
86 return !(*this == X);
|
|
|
87 }
|
|
|
88
|
|
|
89 StringRef getHeader() const { return Header; }
|
|
|
90 StringRef getCurrent() const { return Current; }
|
|
|
91 StringRef getPrefix() const {
|
|
|
92 if (Current.begin() == Header.begin())
|
|
|
93 return StringRef();
|
|
|
94 return Header.slice(0, Current.begin() - Header.begin() - 1);
|
|
|
95 }
|
|
|
96 StringRef getSuffix() const {
|
|
|
97 if (Current.end() == Header.end())
|
|
|
98 return StringRef();
|
|
|
99 return Header.slice(Current.end() - Header.begin() + 1, StringRef::npos);
|
|
|
100 }
|
|
|
101
|
|
|
102 /// \brief Get the current field as a number.
|
|
|
103 ///
|
|
|
104 /// Convert the current field into a number. Return \c 0 on error.
|
|
|
105 template <class T> T getNumber() const {
|
|
|
106 T Int;
|
|
|
107 if (getCurrent().getAsInteger(0, Int))
|
|
|
108 return 0;
|
|
|
109 return Int;
|
|
|
110 }
|
|
|
111
|
|
|
112 private:
|
|
|
113 void increment() {
|
|
|
114 assert(Current.data() != nullptr && "Cannot increment past the end");
|
|
|
115 StringRef Suffix = getSuffix();
|
|
|
116 Current = Suffix.slice(0, Suffix.find('\0'));
|
|
|
117 }
|
|
|
118 };
|
|
|
119
|
|
|
120 /// \brief A thin wraper around MDNode to access encoded debug info.
|
|
|
121 ///
|
|
|
122 /// This should not be stored in a container, because the underlying MDNode may
|
|
|
123 /// change in certain situations.
|
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124 class DIDescriptor {
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125 // Befriends DIRef so DIRef can befriend the protected member
|
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126 // function: getFieldAs<DIRef>.
|
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127 template <typename T> friend class DIRef;
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|
128
|
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129 public:
|
|
83
|
130 /// \brief Accessibility flags.
|
|
|
131 ///
|
|
|
132 /// The three accessibility flags are mutually exclusive and rolled together
|
|
|
133 /// in the first two bits.
|
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134 enum {
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135 FlagAccessibility = 1 << 0 | 1 << 1,
|
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136 FlagPrivate = 1,
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137 FlagProtected = 2,
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138 FlagPublic = 3,
|
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|
139
|
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140 FlagFwdDecl = 1 << 2,
|
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|
141 FlagAppleBlock = 1 << 3,
|
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142 FlagBlockByrefStruct = 1 << 4,
|
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143 FlagVirtual = 1 << 5,
|
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144 FlagArtificial = 1 << 6,
|
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145 FlagExplicit = 1 << 7,
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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146 FlagPrototyped = 1 << 8,
|
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147 FlagObjcClassComplete = 1 << 9,
|
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148 FlagObjectPointer = 1 << 10,
|
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149 FlagVector = 1 << 11,
|
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150 FlagStaticMember = 1 << 12,
|
|
83
|
151 FlagLValueReference = 1 << 13,
|
|
|
152 FlagRValueReference = 1 << 14
|
77
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153 };
|
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154
|
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155 protected:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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156 const MDNode *DbgNode;
|
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|
157
|
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158 StringRef getStringField(unsigned Elt) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
159 unsigned getUnsignedField(unsigned Elt) const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
160 return (unsigned)getUInt64Field(Elt);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
161 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
162 uint64_t getUInt64Field(unsigned Elt) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
163 int64_t getInt64Field(unsigned Elt) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
164 DIDescriptor getDescriptorField(unsigned Elt) const;
|
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|
165
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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166 template <typename DescTy> DescTy getFieldAs(unsigned Elt) const {
|
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167 return DescTy(getDescriptorField(Elt));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
168 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
169
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
170 GlobalVariable *getGlobalVariableField(unsigned Elt) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
171 Constant *getConstantField(unsigned Elt) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
172 Function *getFunctionField(unsigned Elt) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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diff
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|
173 void replaceFunctionField(unsigned Elt, Function *F);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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diff
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|
174
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
175 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
176 explicit DIDescriptor(const MDNode *N = nullptr) : DbgNode(N) {}
|
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|
177
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
178 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
179
|
|
83
|
180 MDNode *get() const { return const_cast<MDNode *>(DbgNode); }
|
|
|
181 operator MDNode *() const { return get(); }
|
|
|
182 MDNode *operator->() const { return get(); }
|
77
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|
183
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
184 // An explicit operator bool so that we can do testing of DI values
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
185 // easily.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
186 // FIXME: This operator bool isn't actually protecting anything at the
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
187 // moment due to the conversion operator above making DIDescriptor nodes
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
188 // implicitly convertable to bool.
|
|
83
|
189 explicit operator bool() const { return DbgNode != nullptr; }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
190
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
191 bool operator==(DIDescriptor Other) const { return DbgNode == Other.DbgNode; }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
192 bool operator!=(DIDescriptor Other) const { return !operator==(Other); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
193
|
|
83
|
194 StringRef getHeader() const { return getStringField(0); }
|
|
|
195
|
|
|
196 size_t getNumHeaderFields() const {
|
|
|
197 return std::distance(DIHeaderFieldIterator(getHeader()),
|
|
|
198 DIHeaderFieldIterator());
|
|
|
199 }
|
|
|
200
|
|
|
201 DIHeaderFieldIterator header_begin() const {
|
|
|
202 return DIHeaderFieldIterator(getHeader());
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
203 }
|
|
83
|
204 DIHeaderFieldIterator header_end() const { return DIHeaderFieldIterator(); }
|
|
|
205
|
|
|
206 DIHeaderFieldIterator getHeaderIterator(unsigned Index) const {
|
|
|
207 // Since callers expect an empty string for out-of-range accesses, we can't
|
|
|
208 // use std::advance() here.
|
|
|
209 for (auto I = header_begin(), E = header_end(); I != E; ++I, --Index)
|
|
|
210 if (!Index)
|
|
|
211 return I;
|
|
|
212 return header_end();
|
|
|
213 }
|
|
|
214
|
|
|
215 StringRef getHeaderField(unsigned Index) const {
|
|
|
216 return *getHeaderIterator(Index);
|
|
|
217 }
|
|
|
218
|
|
|
219 template <class T> T getHeaderFieldAs(unsigned Index) const {
|
|
|
220 return getHeaderIterator(Index).getNumber<T>();
|
|
|
221 }
|
|
|
222
|
|
|
223 uint16_t getTag() const { return getHeaderFieldAs<uint16_t>(0); }
|
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224
|
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225 bool isDerivedType() const;
|
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226 bool isCompositeType() const;
|
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227 bool isSubroutineType() const;
|
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228 bool isBasicType() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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229 bool isVariable() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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230 bool isSubprogram() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
231 bool isGlobalVariable() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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232 bool isScope() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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233 bool isFile() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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234 bool isCompileUnit() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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235 bool isNameSpace() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
236 bool isLexicalBlockFile() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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237 bool isLexicalBlock() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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238 bool isSubrange() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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239 bool isEnumerator() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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240 bool isType() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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241 bool isTemplateTypeParameter() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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242 bool isTemplateValueParameter() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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243 bool isObjCProperty() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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244 bool isImportedEntity() const;
|
|
83
|
245 bool isExpression() const;
|
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246
|
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247 void print(raw_ostream &OS) const;
|
|
83
|
248 void dump() const;
|
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249
|
|
83
|
250 /// \brief Replace all uses of debug info referenced by this descriptor.
|
|
|
251 void replaceAllUsesWith(LLVMContext &VMContext, DIDescriptor D);
|
|
|
252 void replaceAllUsesWith(MDNode *D);
|
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253 };
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254
|
|
83
|
255 /// \brief This is used to represent ranges, for array bounds.
|
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256 class DISubrange : public DIDescriptor {
|
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257 friend class DIDescriptor;
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258 void printInternal(raw_ostream &OS) const;
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259
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260 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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261 explicit DISubrange(const MDNode *N = nullptr) : DIDescriptor(N) {}
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262
|
|
83
|
263 int64_t getLo() const { return getHeaderFieldAs<int64_t>(1); }
|
|
|
264 int64_t getCount() const { return getHeaderFieldAs<int64_t>(2); }
|
77
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265 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
266 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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267
|
|
83
|
268 /// \brief This descriptor holds an array of nodes with type T.
|
77
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269 template <typename T> class DITypedArray : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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270 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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271 explicit DITypedArray(const MDNode *N = nullptr) : DIDescriptor(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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272 unsigned getNumElements() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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273 return DbgNode ? DbgNode->getNumOperands() : 0;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
274 }
|
|
83
|
275 T getElement(unsigned Idx) const { return getFieldAs<T>(Idx); }
|
77
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276 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
277
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
278 typedef DITypedArray<DIDescriptor> DIArray;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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279
|
|
83
|
280 /// \brief A wrapper for an enumerator (e.g. X and Y in 'enum {X,Y}').
|
|
|
281 ///
|
77
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282 /// FIXME: it seems strange that this doesn't have either a reference to the
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
283 /// type/precision or a file/line pair for location info.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
284 class DIEnumerator : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
285 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
286 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
287
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
288 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
289 explicit DIEnumerator(const MDNode *N = nullptr) : DIDescriptor(N) {}
|
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|
290
|
|
83
|
291 StringRef getName() const { return getHeaderField(1); }
|
|
|
292 int64_t getEnumValue() const { return getHeaderFieldAs<int64_t>(2); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
293 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
294 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
295
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
296 template <typename T> class DIRef;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
297 typedef DIRef<DIScope> DIScopeRef;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
298 typedef DIRef<DIType> DITypeRef;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
299 typedef DITypedArray<DITypeRef> DITypeArray;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
300
|
|
83
|
301 /// \brief A base class for various scopes.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
302 ///
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
303 /// Although, implementation-wise, DIScope is the parent class of most
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
304 /// other DIxxx classes, including DIType and its descendants, most of
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
305 /// DIScope's descendants are not a substitutable subtype of
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
306 /// DIScope. The DIDescriptor::isScope() method only is true for
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
307 /// DIScopes that are scopes in the strict lexical scope sense
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
308 /// (DICompileUnit, DISubprogram, etc.), but not for, e.g., a DIType.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
309 class DIScope : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
310 protected:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
311 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
312 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
313
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
314 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
315 explicit DIScope(const MDNode *N = nullptr) : DIDescriptor(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
316
|
|
83
|
317 /// \brief Get the parent scope.
|
|
|
318 ///
|
|
|
319 /// Gets the parent scope for this scope node or returns a default
|
|
|
320 /// constructed scope.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
321 DIScopeRef getContext() const;
|
|
83
|
322 /// \brief Get the scope name.
|
|
|
323 ///
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
324 /// If the scope node has a name, return that, else return an empty string.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
325 StringRef getName() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
326 StringRef getFilename() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
327 StringRef getDirectory() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
328
|
|
83
|
329 /// \brief Generate a reference to this DIScope.
|
|
|
330 ///
|
|
|
331 /// Uses the type identifier instead of the actual MDNode if possible, to
|
|
|
332 /// help type uniquing.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
333 DIScopeRef getRef() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
334 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
335
|
|
83
|
336 /// \brief Represents reference to a DIDescriptor.
|
|
|
337 ///
|
|
|
338 /// Abstracts over direct and identifier-based metadata references.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
339 template <typename T> class DIRef {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
340 template <typename DescTy>
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
341 friend DescTy DIDescriptor::getFieldAs(unsigned Elt) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
342 friend DIScopeRef DIScope::getContext() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
343 friend DIScopeRef DIScope::getRef() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
344 friend class DIType;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
345
|
|
83
|
346 /// \brief Val can be either a MDNode or a MDString.
|
|
|
347 ///
|
|
|
348 /// In the latter, MDString specifies the type identifier.
|
|
|
349 const Metadata *Val;
|
|
|
350 explicit DIRef(const Metadata *V);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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diff
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|
351
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
352 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
353 T resolve(const DITypeIdentifierMap &Map) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
354 StringRef getName() const;
|
|
83
|
355 operator Metadata *() const { return const_cast<Metadata *>(Val); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
356 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
357
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
358 template <typename T>
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
359 T DIRef<T>::resolve(const DITypeIdentifierMap &Map) const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
360 if (!Val)
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
361 return T();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
362
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
363 if (const MDNode *MD = dyn_cast<MDNode>(Val))
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
364 return T(MD);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
365
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
366 const MDString *MS = cast<MDString>(Val);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
367 // Find the corresponding MDNode.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
368 DITypeIdentifierMap::const_iterator Iter = Map.find(MS);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
369 assert(Iter != Map.end() && "Identifier not in the type map?");
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
370 assert(DIDescriptor(Iter->second).isType() &&
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
371 "MDNode in DITypeIdentifierMap should be a DIType.");
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
372 return T(Iter->second);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
373 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
374
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
375 template <typename T> StringRef DIRef<T>::getName() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
376 if (!Val)
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
377 return StringRef();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
378
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
379 if (const MDNode *MD = dyn_cast<MDNode>(Val))
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
380 return T(MD).getName();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
381
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
382 const MDString *MS = cast<MDString>(Val);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
383 return MS->getString();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
384 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
385
|
|
83
|
386 /// \brief Handle fields that are references to DIScopes.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
387 template <> DIScopeRef DIDescriptor::getFieldAs<DIScopeRef>(unsigned Elt) const;
|
|
83
|
388 /// \brief Specialize DIRef constructor for DIScopeRef.
|
|
|
389 template <> DIRef<DIScope>::DIRef(const Metadata *V);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
390
|
|
83
|
391 /// \brief Handle fields that are references to DITypes.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
392 template <> DITypeRef DIDescriptor::getFieldAs<DITypeRef>(unsigned Elt) const;
|
|
83
|
393 /// \brief Specialize DIRef constructor for DITypeRef.
|
|
|
394 template <> DIRef<DIType>::DIRef(const Metadata *V);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
395
|
|
83
|
396 /// \brief This is a wrapper for a type.
|
|
|
397 ///
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
398 /// FIXME: Types should be factored much better so that CV qualifiers and
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
399 /// others do not require a huge and empty descriptor full of zeros.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
400 class DIType : public DIScope {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
401 protected:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
402 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
403 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
404
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
405 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
406 explicit DIType(const MDNode *N = nullptr) : DIScope(N) {}
|
|
83
|
407 operator DITypeRef() const {
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
408 assert(isType() &&
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
409 "constructing DITypeRef from an MDNode that is not a type");
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
410 return DITypeRef(&*getRef());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
411 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
412
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
413 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
414
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
415 DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(2); }
|
|
83
|
416 StringRef getName() const { return getHeaderField(1); }
|
|
|
417 unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(2); }
|
|
|
418 uint64_t getSizeInBits() const { return getHeaderFieldAs<unsigned>(3); }
|
|
|
419 uint64_t getAlignInBits() const { return getHeaderFieldAs<unsigned>(4); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
420 // FIXME: Offset is only used for DW_TAG_member nodes. Making every type
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
421 // carry this is just plain insane.
|
|
83
|
422 uint64_t getOffsetInBits() const { return getHeaderFieldAs<unsigned>(5); }
|
|
|
423 unsigned getFlags() const { return getHeaderFieldAs<unsigned>(6); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
424 bool isPrivate() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
425 return (getFlags() & FlagAccessibility) == FlagPrivate;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
426 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
427 bool isProtected() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
428 return (getFlags() & FlagAccessibility) == FlagProtected;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
429 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
430 bool isPublic() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
431 return (getFlags() & FlagAccessibility) == FlagPublic;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
432 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
433 bool isForwardDecl() const { return (getFlags() & FlagFwdDecl) != 0; }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
434 bool isAppleBlockExtension() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
435 return (getFlags() & FlagAppleBlock) != 0;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
436 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
437 bool isBlockByrefStruct() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
438 return (getFlags() & FlagBlockByrefStruct) != 0;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
439 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
440 bool isVirtual() const { return (getFlags() & FlagVirtual) != 0; }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
441 bool isArtificial() const { return (getFlags() & FlagArtificial) != 0; }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
442 bool isObjectPointer() const { return (getFlags() & FlagObjectPointer) != 0; }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
443 bool isObjcClassComplete() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
444 return (getFlags() & FlagObjcClassComplete) != 0;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
445 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
446 bool isVector() const { return (getFlags() & FlagVector) != 0; }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
447 bool isStaticMember() const { return (getFlags() & FlagStaticMember) != 0; }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
448 bool isLValueReference() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
449 return (getFlags() & FlagLValueReference) != 0;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
450 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
451 bool isRValueReference() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
452 return (getFlags() & FlagRValueReference) != 0;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
453 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 bool isValid() const { return DbgNode && isType(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
455 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
456
|
|
83
|
457 /// \brief A basic type, like 'int' or 'float'.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
458 class DIBasicType : public DIType {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
459 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 explicit DIBasicType(const MDNode *N = nullptr) : DIType(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
461
|
|
83
|
462 unsigned getEncoding() const { return getHeaderFieldAs<unsigned>(7); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
463
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
464 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
465 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
466
|
|
83
|
467 /// \brief A simple derived type
|
|
|
468 ///
|
|
|
469 /// Like a const qualified type, a typedef, a pointer or reference, et cetera.
|
|
|
470 /// Or, a data member of a class/struct/union.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
471 class DIDerivedType : public DIType {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
472 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
473 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
474
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
475 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
476 explicit DIDerivedType(const MDNode *N = nullptr) : DIType(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
477
|
|
83
|
478 DITypeRef getTypeDerivedFrom() const { return getFieldAs<DITypeRef>(3); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
479
|
|
83
|
480 /// \brief Return property node, if this ivar is associated with one.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
481 MDNode *getObjCProperty() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
482
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
483 DITypeRef getClassType() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 assert(getTag() == dwarf::DW_TAG_ptr_to_member_type);
|
|
83
|
485 return getFieldAs<DITypeRef>(4);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
486 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
487
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
488 Constant *getConstant() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
489 assert((getTag() == dwarf::DW_TAG_member) && isStaticMember());
|
|
83
|
490 return getConstantField(4);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
491 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
492
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
493 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
494 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
495
|
|
83
|
496 /// \brief Types that refer to multiple other types.
|
|
|
497 ///
|
|
|
498 /// This descriptor holds a type that can refer to multiple other types, like a
|
|
|
499 /// function or struct.
|
|
|
500 ///
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
501 /// DICompositeType is derived from DIDerivedType because some
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
502 /// composite types (such as enums) can be derived from basic types
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
503 // FIXME: Make this derive from DIType directly & just store the
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
504 // base type in a single DIType field.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
505 class DICompositeType : public DIDerivedType {
|
|
83
|
506 friend class DIBuilder;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
507 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
508 void printInternal(raw_ostream &OS) const;
|
|
83
|
509
|
|
|
510 /// \brief Set the array of member DITypes.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
511 void setArraysHelper(MDNode *Elements, MDNode *TParams);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
512
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
513 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
514 explicit DICompositeType(const MDNode *N = nullptr) : DIDerivedType(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
515
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
516 DIArray getElements() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
517 assert(!isSubroutineType() && "no elements for DISubroutineType");
|
|
83
|
518 return getFieldAs<DIArray>(4);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
519 }
|
|
83
|
520
|
|
|
521 private:
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
522 template <typename T>
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
523 void setArrays(DITypedArray<T> Elements, DIArray TParams = DIArray()) {
|
|
83
|
524 assert(
|
|
|
525 (!TParams || DbgNode->getNumOperands() == 8) &&
|
|
|
526 "If you're setting the template parameters this should include a slot "
|
|
|
527 "for that!");
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
528 setArraysHelper(Elements, TParams);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
529 }
|
|
83
|
530
|
|
|
531 public:
|
|
|
532 unsigned getRunTimeLang() const { return getHeaderFieldAs<unsigned>(7); }
|
|
|
533 DITypeRef getContainingType() const { return getFieldAs<DITypeRef>(5); }
|
|
|
534
|
|
|
535 private:
|
|
|
536 /// \brief Set the containing type.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
537 void setContainingType(DICompositeType ContainingType);
|
|
83
|
538
|
|
|
539 public:
|
|
|
540 DIArray getTemplateParams() const { return getFieldAs<DIArray>(6); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
541 MDString *getIdentifier() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
542
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
543 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
544 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
545
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
546 class DISubroutineType : public DICompositeType {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
547 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
548 explicit DISubroutineType(const MDNode *N = nullptr) : DICompositeType(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
549 DITypedArray<DITypeRef> getTypeArray() const {
|
|
83
|
550 return getFieldAs<DITypedArray<DITypeRef>>(4);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
551 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
552 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
553
|
|
83
|
554 /// \brief This is a wrapper for a file.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
555 class DIFile : public DIScope {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
556 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
557
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
558 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
559 explicit DIFile(const MDNode *N = nullptr) : DIScope(N) {}
|
|
83
|
560
|
|
|
561 /// \brief Retrieve the MDNode for the directory/file pair.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
562 MDNode *getFileNode() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
563 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
564 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
565
|
|
83
|
566 /// \brief A wrapper for a compile unit.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
567 class DICompileUnit : public DIScope {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
568 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
569 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
570
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
571 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
572 explicit DICompileUnit(const MDNode *N = nullptr) : DIScope(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
573
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
574 dwarf::SourceLanguage getLanguage() const {
|
|
83
|
575 return static_cast<dwarf::SourceLanguage>(getHeaderFieldAs<unsigned>(1));
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
576 }
|
|
83
|
577 StringRef getProducer() const { return getHeaderField(2); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
578
|
|
83
|
579 bool isOptimized() const { return getHeaderFieldAs<bool>(3) != 0; }
|
|
|
580 StringRef getFlags() const { return getHeaderField(4); }
|
|
|
581 unsigned getRunTimeVersion() const { return getHeaderFieldAs<unsigned>(5); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
582
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
583 DIArray getEnumTypes() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
584 DIArray getRetainedTypes() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
585 DIArray getSubprograms() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
586 DIArray getGlobalVariables() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
587 DIArray getImportedEntities() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
588
|
|
83
|
589 void replaceSubprograms(DIArray Subprograms);
|
|
|
590 void replaceGlobalVariables(DIArray GlobalVariables);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
591
|
|
83
|
592 StringRef getSplitDebugFilename() const { return getHeaderField(6); }
|
|
|
593 unsigned getEmissionKind() const { return getHeaderFieldAs<unsigned>(7); }
|
|
|
594
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
595 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
596 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
597
|
|
83
|
598 /// \brief This is a wrapper for a subprogram (e.g. a function).
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
599 class DISubprogram : public DIScope {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
600 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
601 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
602
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
603 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
604 explicit DISubprogram(const MDNode *N = nullptr) : DIScope(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
605
|
|
83
|
606 StringRef getName() const { return getHeaderField(1); }
|
|
|
607 StringRef getDisplayName() const { return getHeaderField(2); }
|
|
|
608 StringRef getLinkageName() const { return getHeaderField(3); }
|
|
|
609 unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(4); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
610
|
|
83
|
611 /// \brief Check if this is local (like 'static' in C).
|
|
|
612 unsigned isLocalToUnit() const { return getHeaderFieldAs<unsigned>(5); }
|
|
|
613 unsigned isDefinition() const { return getHeaderFieldAs<unsigned>(6); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
614
|
|
83
|
615 unsigned getVirtuality() const { return getHeaderFieldAs<unsigned>(7); }
|
|
|
616 unsigned getVirtualIndex() const { return getHeaderFieldAs<unsigned>(8); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
617
|
|
83
|
618 unsigned getFlags() const { return getHeaderFieldAs<unsigned>(9); }
|
|
|
619
|
|
|
620 unsigned isOptimized() const { return getHeaderFieldAs<bool>(10); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
621
|
|
83
|
622 /// \brief Get the beginning of the scope of the function (not the name).
|
|
|
623 unsigned getScopeLineNumber() const { return getHeaderFieldAs<unsigned>(11); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
624
|
|
83
|
625 DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(2); }
|
|
|
626 DISubroutineType getType() const { return getFieldAs<DISubroutineType>(3); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
627
|
|
83
|
628 DITypeRef getContainingType() const { return getFieldAs<DITypeRef>(4); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
629
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
630 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
631
|
|
83
|
632 /// \brief Check if this provides debugging information for the function F.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
633 bool describes(const Function *F);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
634
|
|
83
|
635 Function *getFunction() const { return getFunctionField(5); }
|
|
|
636 void replaceFunction(Function *F) { replaceFunctionField(5, F); }
|
|
|
637 DIArray getTemplateParams() const { return getFieldAs<DIArray>(6); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
638 DISubprogram getFunctionDeclaration() const {
|
|
83
|
639 return getFieldAs<DISubprogram>(7);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
640 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
641 MDNode *getVariablesNodes() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
642 DIArray getVariables() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
643
|
|
83
|
644 unsigned isArtificial() const { return (getFlags() & FlagArtificial) != 0; }
|
|
|
645 /// \brief Check for the "private" access specifier.
|
|
|
646 bool isPrivate() const {
|
|
|
647 return (getFlags() & FlagAccessibility) == FlagPrivate;
|
|
|
648 }
|
|
|
649 /// \brief Check for the "protected" access specifier.
|
|
|
650 bool isProtected() const {
|
|
|
651 return (getFlags() & FlagAccessibility) == FlagProtected;
|
|
|
652 }
|
|
|
653 /// \brief Check for the "public" access specifier.
|
|
|
654 bool isPublic() const {
|
|
|
655 return (getFlags() & FlagAccessibility) == FlagPublic;
|
|
|
656 }
|
|
|
657 /// \brief Check for "explicit".
|
|
|
658 bool isExplicit() const { return (getFlags() & FlagExplicit) != 0; }
|
|
|
659 /// \brief Check if this is prototyped.
|
|
|
660 bool isPrototyped() const { return (getFlags() & FlagPrototyped) != 0; }
|
|
|
661
|
|
|
662 /// \brief Check if this is reference-qualified.
|
|
|
663 ///
|
|
|
664 /// Return true if this subprogram is a C++11 reference-qualified non-static
|
|
|
665 /// member function (void foo() &).
|
|
|
666 unsigned isLValueReference() const {
|
|
|
667 return (getFlags() & FlagLValueReference) != 0;
|
|
|
668 }
|
|
|
669
|
|
|
670 /// \brief Check if this is rvalue-reference-qualified.
|
|
|
671 ///
|
|
|
672 /// Return true if this subprogram is a C++11 rvalue-reference-qualified
|
|
|
673 /// non-static member function (void foo() &&).
|
|
|
674 unsigned isRValueReference() const {
|
|
|
675 return (getFlags() & FlagRValueReference) != 0;
|
|
|
676 }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
677 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
678
|
|
83
|
679 /// \brief This is a wrapper for a lexical block.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
680 class DILexicalBlock : public DIScope {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
681 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
682 explicit DILexicalBlock(const MDNode *N = nullptr) : DIScope(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
683 DIScope getContext() const { return getFieldAs<DIScope>(2); }
|
|
83
|
684 unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(1); }
|
|
|
685 unsigned getColumnNumber() const { return getHeaderFieldAs<unsigned>(2); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
686 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
687 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
688
|
|
83
|
689 /// \brief This is a wrapper for a lexical block with a filename change.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
690 class DILexicalBlockFile : public DIScope {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
691 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
692 explicit DILexicalBlockFile(const MDNode *N = nullptr) : DIScope(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
693 DIScope getContext() const {
|
|
83
|
694 // FIXME: This logic is horrible. getScope() returns a DILexicalBlock, but
|
|
|
695 // then we check if it's a subprogram? WHAT?!?
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
696 if (getScope().isSubprogram())
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
697 return getScope();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
698 return getScope().getContext();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
699 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
700 unsigned getLineNumber() const { return getScope().getLineNumber(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
701 unsigned getColumnNumber() const { return getScope().getColumnNumber(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
702 DILexicalBlock getScope() const { return getFieldAs<DILexicalBlock>(2); }
|
|
83
|
703 unsigned getDiscriminator() const { return getHeaderFieldAs<unsigned>(1); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
704 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
705 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
706
|
|
83
|
707 /// \brief A wrapper for a C++ style name space.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
708 class DINameSpace : public DIScope {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
709 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
710 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
711
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
712 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
713 explicit DINameSpace(const MDNode *N = nullptr) : DIScope(N) {}
|
|
83
|
714 StringRef getName() const { return getHeaderField(1); }
|
|
|
715 unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(2); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
716 DIScope getContext() const { return getFieldAs<DIScope>(2); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
717 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
718 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
719
|
|
83
|
720 /// \brief This is a wrapper for template type parameter.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
721 class DITemplateTypeParameter : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
722 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
723 explicit DITemplateTypeParameter(const MDNode *N = nullptr)
|
|
83
|
724 : DIDescriptor(N) {}
|
|
|
725
|
|
|
726 StringRef getName() const { return getHeaderField(1); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
727
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
728 DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(1); }
|
|
83
|
729 DITypeRef getType() const { return getFieldAs<DITypeRef>(2); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
730 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
731 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
732
|
|
83
|
733 /// \brief This is a wrapper for template value parameter.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
734 class DITemplateValueParameter : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
735 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
736 explicit DITemplateValueParameter(const MDNode *N = nullptr)
|
|
83
|
737 : DIDescriptor(N) {}
|
|
|
738
|
|
|
739 StringRef getName() const { return getHeaderField(1); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
740
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
741 DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(1); }
|
|
83
|
742 DITypeRef getType() const { return getFieldAs<DITypeRef>(2); }
|
|
|
743 Metadata *getValue() const;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
744 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
745 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
746
|
|
83
|
747 /// \brief This is a wrapper for a global variable.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
748 class DIGlobalVariable : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
749 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
750 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
751
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
752 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
753 explicit DIGlobalVariable(const MDNode *N = nullptr) : DIDescriptor(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
754
|
|
83
|
755 StringRef getName() const { return getHeaderField(1); }
|
|
|
756 StringRef getDisplayName() const { return getHeaderField(2); }
|
|
|
757 StringRef getLinkageName() const { return getHeaderField(3); }
|
|
|
758 unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(4); }
|
|
|
759 unsigned isLocalToUnit() const { return getHeaderFieldAs<bool>(5); }
|
|
|
760 unsigned isDefinition() const { return getHeaderFieldAs<bool>(6); }
|
|
|
761
|
|
|
762 DIScope getContext() const { return getFieldAs<DIScope>(1); }
|
|
|
763 StringRef getFilename() const { return getFieldAs<DIFile>(2).getFilename(); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
764 StringRef getDirectory() const {
|
|
83
|
765 return getFieldAs<DIFile>(2).getDirectory();
|
|
|
766 }
|
|
|
767 DITypeRef getType() const { return getFieldAs<DITypeRef>(3); }
|
|
|
768
|
|
|
769 GlobalVariable *getGlobal() const { return getGlobalVariableField(4); }
|
|
|
770 Constant *getConstant() const { return getConstantField(4); }
|
|
|
771 DIDerivedType getStaticDataMemberDeclaration() const {
|
|
|
772 return getFieldAs<DIDerivedType>(5);
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
773 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
774
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
775 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
776 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
777
|
|
83
|
778 /// \brief This is a wrapper for a variable (e.g. parameter, local, global etc).
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
779 class DIVariable : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
780 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
781 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
782
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
783 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
784 explicit DIVariable(const MDNode *N = nullptr) : DIDescriptor(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
785
|
|
83
|
786 StringRef getName() const { return getHeaderField(1); }
|
|
|
787 unsigned getLineNumber() const {
|
|
|
788 // FIXME: Line number and arg number shouldn't be merged together like this.
|
|
|
789 return (getHeaderFieldAs<unsigned>(2) << 8) >> 8;
|
|
|
790 }
|
|
|
791 unsigned getArgNumber() const { return getHeaderFieldAs<unsigned>(2) >> 24; }
|
|
|
792
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
793 DIScope getContext() const { return getFieldAs<DIScope>(1); }
|
|
83
|
794 DIFile getFile() const { return getFieldAs<DIFile>(2); }
|
|
|
795 DITypeRef getType() const { return getFieldAs<DITypeRef>(3); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
796
|
|
83
|
797 /// \brief Return true if this variable is marked as "artificial".
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
798 bool isArtificial() const {
|
|
83
|
799 return (getHeaderFieldAs<unsigned>(3) & FlagArtificial) != 0;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
800 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
801
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
802 bool isObjectPointer() const {
|
|
83
|
803 return (getHeaderFieldAs<unsigned>(3) & FlagObjectPointer) != 0;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
804 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
805
|
|
83
|
806 /// \brief If this variable is inlined then return inline location.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
807 MDNode *getInlinedAt() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
808
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
809 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
810
|
|
83
|
811 /// \brief Check if this is a "__block" variable (Apple Blocks).
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
812 bool isBlockByrefVariable(const DITypeIdentifierMap &Map) const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
813 return (getType().resolve(Map)).isBlockByrefStruct();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
814 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
815
|
|
83
|
816 /// \brief Check if this is an inlined function argument.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
817 bool isInlinedFnArgument(const Function *CurFn);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
818
|
|
83
|
819 /// \brief Return the size reported by the variable's type.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
820 unsigned getSizeInBits(const DITypeIdentifierMap &Map);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
821
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
822 void printExtendedName(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
823 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
824
|
|
83
|
825 /// \brief A complex location expression in postfix notation.
|
|
|
826 ///
|
|
|
827 /// This is (almost) a DWARF expression that modifies the location of a
|
|
|
828 /// variable or (or the location of a single piece of a variable).
|
|
|
829 ///
|
|
|
830 /// FIXME: Instead of DW_OP_plus taking an argument, this should use DW_OP_const
|
|
|
831 /// and have DW_OP_plus consume the topmost elements on the stack.
|
|
|
832 class DIExpression : public DIDescriptor {
|
|
|
833 friend class DIDescriptor;
|
|
|
834 void printInternal(raw_ostream &OS) const;
|
|
|
835
|
|
|
836 public:
|
|
|
837 explicit DIExpression(const MDNode *N = nullptr) : DIDescriptor(N) {}
|
|
|
838
|
|
|
839 bool Verify() const;
|
|
|
840
|
|
|
841 /// \brief Return the number of elements in the complex expression.
|
|
|
842 unsigned getNumElements() const {
|
|
|
843 if (!DbgNode)
|
|
|
844 return 0;
|
|
|
845 unsigned N = getNumHeaderFields();
|
|
|
846 assert(N > 0 && "missing tag");
|
|
|
847 return N - 1;
|
|
|
848 }
|
|
|
849
|
|
|
850 /// \brief return the Idx'th complex address element.
|
|
|
851 uint64_t getElement(unsigned Idx) const;
|
|
|
852
|
|
|
853 /// \brief Return whether this is a piece of an aggregate variable.
|
|
|
854 bool isBitPiece() const;
|
|
|
855 /// \brief Return the offset of this piece in bits.
|
|
|
856 uint64_t getBitPieceOffset() const;
|
|
|
857 /// \brief Return the size of this piece in bits.
|
|
|
858 uint64_t getBitPieceSize() const;
|
|
|
859
|
|
|
860 class iterator;
|
|
|
861 /// \brief A lightweight wrapper around an element of a DIExpression.
|
|
|
862 class Operand {
|
|
|
863 friend class iterator;
|
|
|
864 DIHeaderFieldIterator I;
|
|
|
865 Operand() {}
|
|
|
866 Operand(DIHeaderFieldIterator I) : I(I) {}
|
|
|
867 public:
|
|
|
868 /// \brief Operands such as DW_OP_piece have explicit (non-stack) arguments.
|
|
|
869 /// Argument 0 is the operand itself.
|
|
|
870 uint64_t getArg(unsigned N) const {
|
|
|
871 DIHeaderFieldIterator In = I;
|
|
|
872 std::advance(In, N);
|
|
|
873 return In.getNumber<uint64_t>();
|
|
|
874 }
|
|
|
875 operator uint64_t () const { return I.getNumber<uint64_t>(); }
|
|
|
876 /// \brief Returns underlying DIHeaderFieldIterator.
|
|
|
877 const DIHeaderFieldIterator &getBase() const { return I; }
|
|
|
878 /// \brief Returns the next operand.
|
|
|
879 Operand getNext() const;
|
|
|
880 };
|
|
|
881
|
|
|
882 /// \brief An iterator for DIExpression elements.
|
|
|
883 class iterator : public std::iterator<std::input_iterator_tag, StringRef,
|
|
|
884 unsigned, const Operand*, Operand> {
|
|
|
885 friend class Operand;
|
|
|
886 DIHeaderFieldIterator I;
|
|
|
887 Operand Tmp;
|
|
|
888 iterator(DIHeaderFieldIterator I) : I(I) {}
|
|
|
889 public:
|
|
|
890 iterator() {}
|
|
|
891 iterator(const DIExpression &Expr) : I(++Expr.header_begin()) {}
|
|
|
892 const Operand &operator*() { return Tmp = Operand(I); }
|
|
|
893 const Operand *operator->() { return &(Tmp = Operand(I)); }
|
|
|
894 iterator &operator++() {
|
|
|
895 increment();
|
|
|
896 return *this;
|
|
|
897 }
|
|
|
898 iterator operator++(int) {
|
|
|
899 iterator X(*this);
|
|
|
900 increment();
|
|
|
901 return X;
|
|
|
902 }
|
|
|
903 bool operator==(const iterator &X) const { return I == X.I; }
|
|
|
904 bool operator!=(const iterator &X) const { return !(*this == X); }
|
|
|
905
|
|
|
906 private:
|
|
|
907 void increment() {
|
|
|
908 switch (**this) {
|
|
|
909 case dwarf::DW_OP_bit_piece: std::advance(I, 3); break;
|
|
|
910 case dwarf::DW_OP_plus: std::advance(I, 2); break;
|
|
|
911 case dwarf::DW_OP_deref: std::advance(I, 1); break;
|
|
|
912 default:
|
|
|
913 llvm_unreachable("unsupported operand");
|
|
|
914 }
|
|
|
915 }
|
|
|
916 };
|
|
|
917
|
|
|
918 iterator begin() const;
|
|
|
919 iterator end() const;
|
|
|
920 };
|
|
|
921
|
|
|
922 /// \brief This object holds location information.
|
|
|
923 ///
|
|
|
924 /// This object is not associated with any DWARF tag.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
925 class DILocation : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
926 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
927 explicit DILocation(const MDNode *N) : DIDescriptor(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
928
|
|
83
|
929 unsigned getLineNumber() const {
|
|
|
930 if (auto *L = dyn_cast_or_null<MDLocation>(DbgNode))
|
|
|
931 return L->getLine();
|
|
|
932 return 0;
|
|
|
933 }
|
|
|
934 unsigned getColumnNumber() const {
|
|
|
935 if (auto *L = dyn_cast_or_null<MDLocation>(DbgNode))
|
|
|
936 return L->getColumn();
|
|
|
937 return 0;
|
|
|
938 }
|
|
|
939 DIScope getScope() const {
|
|
|
940 if (auto *L = dyn_cast_or_null<MDLocation>(DbgNode))
|
|
|
941 return DIScope(dyn_cast_or_null<MDNode>(L->getScope()));
|
|
|
942 return DIScope(nullptr);
|
|
|
943 }
|
|
|
944 DILocation getOrigLocation() const {
|
|
|
945 if (auto *L = dyn_cast_or_null<MDLocation>(DbgNode))
|
|
|
946 return DILocation(dyn_cast_or_null<MDNode>(L->getInlinedAt()));
|
|
|
947 return DILocation(nullptr);
|
|
|
948 }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
949 StringRef getFilename() const { return getScope().getFilename(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
950 StringRef getDirectory() const { return getScope().getDirectory(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
951 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
952 bool atSameLineAs(const DILocation &Other) const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
953 return (getLineNumber() == Other.getLineNumber() &&
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
954 getFilename() == Other.getFilename());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
955 }
|
|
83
|
956 /// \brief Get the DWAF discriminator.
|
|
|
957 ///
|
|
|
958 /// DWARF discriminators are used to distinguish identical file locations for
|
|
|
959 /// instructions that are on different basic blocks. If two instructions are
|
|
|
960 /// inside the same lexical block and are in different basic blocks, we
|
|
|
961 /// create a new lexical block with identical location as the original but
|
|
|
962 /// with a different discriminator value
|
|
|
963 /// (lib/Transforms/Util/AddDiscriminators.cpp for details).
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
964 unsigned getDiscriminator() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
965 // Since discriminators are associated with lexical blocks, make
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
966 // sure this location is a lexical block before retrieving its
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
967 // value.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
968 return getScope().isLexicalBlockFile()
|
|
83
|
969 ? DILexicalBlockFile(
|
|
|
970 cast<MDNode>(cast<MDLocation>(DbgNode)->getScope()))
|
|
|
971 .getDiscriminator()
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
972 : 0;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
973 }
|
|
83
|
974
|
|
|
975 /// \brief Generate a new discriminator value for this location.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
976 unsigned computeNewDiscriminator(LLVMContext &Ctx);
|
|
83
|
977
|
|
|
978 /// \brief Return a copy of this location with a different scope.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
979 DILocation copyWithNewScope(LLVMContext &Ctx, DILexicalBlockFile NewScope);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
980 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
981
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
982 class DIObjCProperty : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
983 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
984 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
985
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
986 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
987 explicit DIObjCProperty(const MDNode *N) : DIDescriptor(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
988
|
|
83
|
989 StringRef getObjCPropertyName() const { return getHeaderField(1); }
|
|
|
990 DIFile getFile() const { return getFieldAs<DIFile>(1); }
|
|
|
991 unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(2); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
992
|
|
83
|
993 StringRef getObjCPropertyGetterName() const { return getHeaderField(3); }
|
|
|
994 StringRef getObjCPropertySetterName() const { return getHeaderField(4); }
|
|
|
995 unsigned getAttributes() const { return getHeaderFieldAs<unsigned>(5); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
996 bool isReadOnlyObjCProperty() const {
|
|
83
|
997 return (getAttributes() & dwarf::DW_APPLE_PROPERTY_readonly) != 0;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
998 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
999 bool isReadWriteObjCProperty() const {
|
|
83
|
1000 return (getAttributes() & dwarf::DW_APPLE_PROPERTY_readwrite) != 0;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1001 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1002 bool isAssignObjCProperty() const {
|
|
83
|
1003 return (getAttributes() & dwarf::DW_APPLE_PROPERTY_assign) != 0;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1004 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1005 bool isRetainObjCProperty() const {
|
|
83
|
1006 return (getAttributes() & dwarf::DW_APPLE_PROPERTY_retain) != 0;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1007 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1008 bool isCopyObjCProperty() const {
|
|
83
|
1009 return (getAttributes() & dwarf::DW_APPLE_PROPERTY_copy) != 0;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1010 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1011 bool isNonAtomicObjCProperty() const {
|
|
83
|
1012 return (getAttributes() & dwarf::DW_APPLE_PROPERTY_nonatomic) != 0;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1013 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1014
|
|
83
|
1015 /// \brief Get the type.
|
|
|
1016 ///
|
|
|
1017 /// \note Objective-C doesn't have an ODR, so there is no benefit in storing
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1018 /// the type as a DITypeRef here.
|
|
83
|
1019 DIType getType() const { return getFieldAs<DIType>(2); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1020
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1021 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1022 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1023
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1024 /// \brief An imported module (C++ using directive or similar).
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1025 class DIImportedEntity : public DIDescriptor {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1026 friend class DIDescriptor;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1027 void printInternal(raw_ostream &OS) const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1028
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1029 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1030 explicit DIImportedEntity(const MDNode *N) : DIDescriptor(N) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1031 DIScope getContext() const { return getFieldAs<DIScope>(1); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1032 DIScopeRef getEntity() const { return getFieldAs<DIScopeRef>(2); }
|
|
83
|
1033 unsigned getLineNumber() const { return getHeaderFieldAs<unsigned>(1); }
|
|
|
1034 StringRef getName() const { return getHeaderField(2); }
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1035 bool Verify() const;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1036 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1037
|
|
83
|
1038 /// \brief Find subprogram that is enclosing this scope.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1039 DISubprogram getDISubprogram(const MDNode *Scope);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1040
|
|
83
|
1041 /// \brief Find debug info for a given function.
|
|
|
1042 /// \returns a valid DISubprogram, if found. Otherwise, it returns an empty
|
|
|
1043 /// DISubprogram.
|
|
|
1044 DISubprogram getDISubprogram(const Function *F);
|
|
|
1045
|
|
|
1046 /// \brief Find underlying composite type.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1047 DICompositeType getDICompositeType(DIType T);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1048
|
|
83
|
1049 /// \brief Create a new inlined variable based on current variable.
|
|
|
1050 ///
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1051 /// @param DV Current Variable.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1052 /// @param InlinedScope Location at current variable is inlined.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1053 DIVariable createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1054 LLVMContext &VMContext);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1055
|
|
83
|
1056 /// \brief Remove inlined scope from the variable.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1057 DIVariable cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1058
|
|
83
|
1059 /// \brief Generate map by visiting all retained types.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1060 DITypeIdentifierMap generateDITypeIdentifierMap(const NamedMDNode *CU_Nodes);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1061
|
|
83
|
1062 /// \brief Strip debug info in the module if it exists.
|
|
|
1063 ///
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1064 /// To do this, we remove all calls to the debugger intrinsics and any named
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1065 /// metadata for debugging. We also remove debug locations for instructions.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1066 /// Return true if module is modified.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1067 bool StripDebugInfo(Module &M);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1068
|
|
83
|
1069 /// \brief Return Debug Info Metadata Version by checking module flags.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1070 unsigned getDebugMetadataVersionFromModule(const Module &M);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1071
|
|
83
|
1072 /// \brief Utility to find all debug info in a module.
|
|
|
1073 ///
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1074 /// DebugInfoFinder tries to list all debug info MDNodes used in a module. To
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1075 /// list debug info MDNodes used by an instruction, DebugInfoFinder uses
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1076 /// processDeclare, processValue and processLocation to handle DbgDeclareInst,
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1077 /// DbgValueInst and DbgLoc attached to instructions. processModule will go
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1078 /// through all DICompileUnits in llvm.dbg.cu and list debug info MDNodes
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1079 /// used by the CUs.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1080 class DebugInfoFinder {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1081 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1082 DebugInfoFinder() : TypeMapInitialized(false) {}
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1083
|
|
83
|
1084 /// \brief Process entire module and collect debug info anchors.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1085 void processModule(const Module &M);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1086
|
|
83
|
1087 /// \brief Process DbgDeclareInst.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1088 void processDeclare(const Module &M, const DbgDeclareInst *DDI);
|
|
83
|
1089 /// \brief Process DbgValueInst.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1090 void processValue(const Module &M, const DbgValueInst *DVI);
|
|
83
|
1091 /// \brief Process DILocation.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1092 void processLocation(const Module &M, DILocation Loc);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1093
|
|
83
|
1094 /// \brief Process DIExpression.
|
|
|
1095 void processExpression(DIExpression Expr);
|
|
|
1096
|
|
|
1097 /// \brief Clear all lists.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1098 void reset();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1099
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1100 private:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1101 void InitializeTypeMap(const Module &M);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1102
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1103 void processType(DIType DT);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1104 void processSubprogram(DISubprogram SP);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1105 void processScope(DIScope Scope);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1106 bool addCompileUnit(DICompileUnit CU);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1107 bool addGlobalVariable(DIGlobalVariable DIG);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1108 bool addSubprogram(DISubprogram SP);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1109 bool addType(DIType DT);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1110 bool addScope(DIScope Scope);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1111
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1112 public:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1113 typedef SmallVectorImpl<DICompileUnit>::const_iterator compile_unit_iterator;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1114 typedef SmallVectorImpl<DISubprogram>::const_iterator subprogram_iterator;
|
|
83
|
1115 typedef SmallVectorImpl<DIGlobalVariable>::const_iterator
|
|
|
1116 global_variable_iterator;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1117 typedef SmallVectorImpl<DIType>::const_iterator type_iterator;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1118 typedef SmallVectorImpl<DIScope>::const_iterator scope_iterator;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1119
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1120 iterator_range<compile_unit_iterator> compile_units() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1121 return iterator_range<compile_unit_iterator>(CUs.begin(), CUs.end());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1122 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1123
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1124 iterator_range<subprogram_iterator> subprograms() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1125 return iterator_range<subprogram_iterator>(SPs.begin(), SPs.end());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1126 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1127
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1128 iterator_range<global_variable_iterator> global_variables() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1129 return iterator_range<global_variable_iterator>(GVs.begin(), GVs.end());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1130 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1131
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1132 iterator_range<type_iterator> types() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1133 return iterator_range<type_iterator>(TYs.begin(), TYs.end());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1134 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1135
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1136 iterator_range<scope_iterator> scopes() const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1137 return iterator_range<scope_iterator>(Scopes.begin(), Scopes.end());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1138 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1139
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1140 unsigned compile_unit_count() const { return CUs.size(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1141 unsigned global_variable_count() const { return GVs.size(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1142 unsigned subprogram_count() const { return SPs.size(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1143 unsigned type_count() const { return TYs.size(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1144 unsigned scope_count() const { return Scopes.size(); }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1145
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1146 private:
|
|
83
|
1147 SmallVector<DICompileUnit, 8> CUs;
|
|
|
1148 SmallVector<DISubprogram, 8> SPs;
|
|
|
1149 SmallVector<DIGlobalVariable, 8> GVs;
|
|
|
1150 SmallVector<DIType, 8> TYs;
|
|
|
1151 SmallVector<DIScope, 8> Scopes;
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1152 SmallPtrSet<MDNode *, 64> NodesSeen;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1153 DITypeIdentifierMap TypeIdentifierMap;
|
|
83
|
1154
|
|
|
1155 /// \brief Specify if TypeIdentifierMap is initialized.
|
77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1156 bool TypeMapInitialized;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1157 };
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1158
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1159 DenseMap<const Function *, DISubprogram> makeSubprogramMap(const Module &M);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1160
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1161 } // end namespace llvm
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1162
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
1163 #endif
|
