Extend the dumping infrastructure to deal with additional

[oota-llvm.git] / lib / DebugInfo / DWARFContext.h

diff --git a/lib/DebugInfo/DWARFContext.h b/lib/DebugInfo/DWARFContext.h
index 24613594deed9f6fe2adaed94cd34a2e284ea594..0c3eb30a64cae209e64f8cd7fbcb94246d62db95 100644 (file)
--- a/lib/DebugInfo/DWARFContext.h
+++ b/lib/DebugInfo/DWARFContext.h
@@ -30,12 +30,19 @@ class DWARFContext : public DIContext {
   OwningPtr<DWARFDebugAranges> Aranges;
   OwningPtr<DWARFDebugLine> Line;
 
+  SmallVector<DWARFCompileUnit, 1> DWOCUs;
+  OwningPtr<DWARFDebugAbbrev> AbbrevDWO;
+
   DWARFContext(DWARFContext &) LLVM_DELETED_FUNCTION;
   DWARFContext &operator=(DWARFContext &) LLVM_DELETED_FUNCTION;
 
   /// Read compile units from the debug_info section and store them in CUs.
   void parseCompileUnits();
 
+  /// Read compile units from the debug_info.dwo section and store them in
+  /// DWOCUs.
+  void parseDWOCompileUnits();
+
 public:
   DWARFContext() {}
   virtual void dump(raw_ostream &OS);
@@ -46,6 +53,14 @@ public:
       parseCompileUnits();
     return CUs.size();
   }
+
+  /// Get the number of compile units in the DWO context.
+  unsigned getNumDWOCompileUnits() {
+    if (DWOCUs.empty())
+      parseDWOCompileUnits();
+    return DWOCUs.size();
+  }
+
   /// Get the compile unit at the specified index for this compile unit.
   DWARFCompileUnit *getCompileUnitAtIndex(unsigned index) {
     if (CUs.empty())
@@ -53,9 +68,19 @@ public:
     return &CUs[index];
   }
 
+  /// Get the compile unit at the specified index for the DWO compile units.
+  DWARFCompileUnit *getDWOCompileUnitAtIndex(unsigned index) {
+    if (DWOCUs.empty())
+      parseDWOCompileUnits();
+    return &DWOCUs[index];
+  }
+
   /// Get a pointer to the parsed DebugAbbrev object.
   const DWARFDebugAbbrev *getDebugAbbrev();
 
+  /// Get a pointer to the parsed dwo abbreviations object.
+  const DWARFDebugAbbrev *getDebugAbbrevDWO();
+
   /// Get a pointer to the parsed DebugAranges object.
   const DWARFDebugAranges *getDebugAranges();
 
@@ -69,7 +94,7 @@ public:
       DILineInfoSpecifier Specifier = DILineInfoSpecifier());
 
   virtual bool isLittleEndian() const = 0;
-  virtual const RelocAddrMap &relocMap() const = 0;
+  virtual const RelocAddrMap &infoRelocMap() const = 0;
   virtual StringRef getInfoSection() = 0;
   virtual StringRef getAbbrevSection() = 0;
   virtual StringRef getARangeSection() = 0;
@@ -77,6 +102,13 @@ public:
   virtual StringRef getStringSection() = 0;
   virtual StringRef getRangeSection() = 0;
 
+  // Sections for DWARF5 split dwarf proposal.
+  virtual StringRef getInfoDWOSection() = 0;
+  virtual StringRef getAbbrevDWOSection() = 0;
+  virtual StringRef getStringDWOSection() = 0;
+  virtual StringRef getRangeDWOSection() = 0;
+  virtual const RelocAddrMap &infoDWORelocMap() const = 0;
+
   static bool isSupportedVersion(unsigned version) {
     return version == 2 || version == 3;
   }
@@ -95,23 +127,38 @@ private:
 class DWARFContextInMemory : public DWARFContext {
   virtual void anchor();
   bool IsLittleEndian;
-  RelocAddrMap RelocMap;
+  RelocAddrMap InfoRelocMap;
   StringRef InfoSection;
   StringRef AbbrevSection;
   StringRef ARangeSection;
   StringRef LineSection;
   StringRef StringSection;
   StringRef RangeSection;
+
+  // Sections for DWARF5 split dwarf proposal.
+  RelocAddrMap InfoDWORelocMap;
+  StringRef InfoDWOSection;
+  StringRef AbbrevDWOSection;
+  StringRef StringDWOSection;
+  StringRef RangeDWOSection;
+
 public:
   DWARFContextInMemory(object::ObjectFile *);
   virtual bool isLittleEndian() const { return IsLittleEndian; }
-  virtual const RelocAddrMap &relocMap() const { return RelocMap; }
+  virtual const RelocAddrMap &infoRelocMap() const { return InfoRelocMap; }
   virtual StringRef getInfoSection() { return InfoSection; }
   virtual StringRef getAbbrevSection() { return AbbrevSection; }
   virtual StringRef getARangeSection() { return ARangeSection; }
   virtual StringRef getLineSection() { return LineSection; }
   virtual StringRef getStringSection() { return StringSection; }
   virtual StringRef getRangeSection() { return RangeSection; }
+
+  // Sections for DWARF5 split dwarf proposal.
+  virtual StringRef getInfoDWOSection() { return InfoDWOSection; }
+  virtual StringRef getAbbrevDWOSection() { return AbbrevDWOSection; }
+  virtual StringRef getStringDWOSection() { return StringDWOSection; }
+  virtual StringRef getRangeDWOSection() { return RangeDWOSection; }
+  virtual const RelocAddrMap &infoDWORelocMap() const { return InfoDWORelocMap; }
 };
 
 }