[llvm] [llvm-objdump] Add inlined function display support (PR #142246)

[via llvm-commits]

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@@ -22,60 +23,108 @@
 namespace llvm {
 namespace objdump {
 
+/// Base class for representing the location of a source-level variable or
+/// an inlined function.
+class LiveElement {
+protected:
+  const char *Name;
+  DWARFUnit *Unit;
+  const DWARFDie FuncDie;
+
+public:
+  LiveElement(const char *Name, DWARFUnit *Unit, const DWARFDie FuncDie)
+      : Name(Name), Unit(Unit), FuncDie(FuncDie) {}
+
+  virtual ~LiveElement() {};
+  const char *getName() const { return Name; }
+  DWARFUnit *getDwarfUnit() const { return Unit; }
+  const DWARFDie getFuncDie() const { return FuncDie; }
+
+  virtual bool liveAtAddress(object::SectionedAddress Addr) = 0;
+  virtual void print(raw_ostream &OS, const MCRegisterInfo &MRI) const = 0;
+  virtual void dump(raw_ostream &OS) const = 0;
+  virtual void printElementLine(raw_ostream &OS,
+                                object::SectionedAddress Address,
+                                bool IsEnd) const {}
+};
+
+class InlinedFunction : public LiveElement {
+  DWARFDie InlinedFuncDie;
+  DWARFAddressRange Range;
+
+public:
+  InlinedFunction(const char *FunctionName, DWARFUnit *Unit,
+                  const DWARFDie FuncDie, const DWARFDie InlinedFuncDie,
+                  DWARFAddressRange &Range)
+      : LiveElement(FunctionName, Unit, FuncDie),
+        InlinedFuncDie(InlinedFuncDie), Range(Range) {}
+
+  virtual ~InlinedFunction() {}
+  virtual bool liveAtAddress(object::SectionedAddress Addr) override;
+  virtual void print(raw_ostream &OS, const MCRegisterInfo &MRI) const override;
+  virtual void dump(raw_ostream &OS) const override;
+  virtual void printElementLine(raw_ostream &OS,
+                                object::SectionedAddress Address,
+                                bool IsEnd) const override;
+};
+
 /// Stores a single expression representing the location of a source-level
 /// variable, along with the PC range for which that expression is valid.
-struct LiveVariable {
+class LiveVariable : public LiveElement {
   DWARFLocationExpression LocExpr;
-  const char *VarName;
-  DWARFUnit *Unit;
-  const DWARFDie FuncDie;
 
+public:
   LiveVariable(const DWARFLocationExpression &LocExpr, const char *VarName,
                DWARFUnit *Unit, const DWARFDie FuncDie)
-      : LocExpr(LocExpr), VarName(VarName), Unit(Unit), FuncDie(FuncDie) {}
+      : LiveElement(VarName, Unit, FuncDie), LocExpr(LocExpr) {}
 
-  bool liveAtAddress(object::SectionedAddress Addr);
-
-  void print(raw_ostream &OS, const MCRegisterInfo &MRI) const;
+  virtual ~LiveVariable() {}
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gulfemsavrun wrote:

Done.

https://github.com/llvm/llvm-project/pull/142246