X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FDebugInfo%2FDWARFContext.h;h=9bac69d6e5225ccada077d2cec1334f131f20c13;hb=27276437ae2169640633f9961620a8d0b19deb39;hp=ff343de716a824e3a59112e984263ec76f380d0f;hpb=38a6381c0a58e013577b1957199128af9573fc20;p=oota-llvm.git

diff --git a/lib/DebugInfo/DWARFContext.h b/lib/DebugInfo/DWARFContext.h
index ff343de716a..9bac69d6e52 100644
--- a/lib/DebugInfo/DWARFContext.h
+++ b/lib/DebugInfo/DWARFContext.h
@@ -12,11 +12,15 @@
 
 #include "DWARFCompileUnit.h"
 #include "DWARFDebugAranges.h"
+#include "DWARFDebugFrame.h"
 #include "DWARFDebugLine.h"
+#include "DWARFDebugLoc.h"
 #include "DWARFDebugRangeList.h"
-#include "llvm/DebugInfo/DIContext.h"
+#include "DWARFTypeUnit.h"
+#include "llvm/ADT/MapVector.h"
 #include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/DebugInfo/DIContext.h"
 
 namespace llvm {
 
@@ -25,59 +29,161 @@ namespace llvm {
 /// information parsing. The actual data is supplied through pure virtual
 /// methods that a concrete implementation provides.
 class DWARFContext : public DIContext {
-  bool IsLittleEndian;
-
-  SmallVector<DWARFCompileUnit, 1> CUs;
+  SmallVector<DWARFCompileUnit *, 1> CUs;
+  SmallVector<DWARFTypeUnit *, 1> TUs;
   OwningPtr<DWARFDebugAbbrev> Abbrev;
+  OwningPtr<DWARFDebugLoc> Loc;
   OwningPtr<DWARFDebugAranges> Aranges;
   OwningPtr<DWARFDebugLine> Line;
+  OwningPtr<DWARFDebugFrame> DebugFrame;
+
+  SmallVector<DWARFCompileUnit *, 1> DWOCUs;
+  SmallVector<DWARFTypeUnit *, 1> DWOTUs;
+  OwningPtr<DWARFDebugAbbrev> AbbrevDWO;
 
-  DWARFContext(DWARFContext &); // = delete
-  DWARFContext &operator=(DWARFContext &); // = delete
+  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();
-protected:
-  DWARFContext(bool isLittleEndian) : IsLittleEndian(isLittleEndian) {}
+
+  /// Read type units from the debug_types sections and store them in CUs.
+  void parseTypeUnits();
+
+  /// Read compile units from the debug_info.dwo section and store them in
+  /// DWOCUs.
+  void parseDWOCompileUnits();
+
+  /// Read type units from the debug_types.dwo section and store them in
+  /// DWOTUs.
+  void parseDWOTypeUnits();
+
 public:
-  virtual void dump(raw_ostream &OS);
+  struct Section {
+    StringRef Data;
+    RelocAddrMap Relocs;
+  };
+
+  DWARFContext() : DIContext(CK_DWARF) {}
+  virtual ~DWARFContext();
+
+  static bool classof(const DIContext *DICtx) {
+    return DICtx->getKind() == CK_DWARF;
+  }
+
+  virtual void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All);
+
   /// Get the number of compile units in this context.
   unsigned getNumCompileUnits() {
     if (CUs.empty())
       parseCompileUnits();
     return CUs.size();
   }
+
+  /// Get the number of compile units in this context.
+  unsigned getNumTypeUnits() {
+    if (TUs.empty())
+      parseTypeUnits();
+    return TUs.size();
+  }
+
+  /// Get the number of compile units in the DWO context.
+  unsigned getNumDWOCompileUnits() {
+    if (DWOCUs.empty())
+      parseDWOCompileUnits();
+    return DWOCUs.size();
+  }
+
+  /// Get the number of compile units in the DWO context.
+  unsigned getNumDWOTypeUnits() {
+    if (DWOTUs.empty())
+      parseDWOTypeUnits();
+    return DWOTUs.size();
+  }
+
   /// Get the compile unit at the specified index for this compile unit.
   DWARFCompileUnit *getCompileUnitAtIndex(unsigned index) {
     if (CUs.empty())
       parseCompileUnits();
-    return &CUs[index];
+    return CUs[index];
+  }
+
+  /// Get the type unit at the specified index for this compile unit.
+  DWARFTypeUnit *getTypeUnitAtIndex(unsigned index) {
+    if (TUs.empty())
+      parseTypeUnits();
+    return TUs[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 the type unit at the specified index for the DWO type units.
+  DWARFTypeUnit *getDWOTypeUnitAtIndex(unsigned index) {
+    if (DWOTUs.empty())
+      parseDWOTypeUnits();
+    return DWOTUs[index];
   }
 
   /// Get a pointer to the parsed DebugAbbrev object.
   const DWARFDebugAbbrev *getDebugAbbrev();
 
+  /// Get a pointer to the parsed DebugLoc object.
+  const DWARFDebugLoc *getDebugLoc();
+
+  /// Get a pointer to the parsed dwo abbreviations object.
+  const DWARFDebugAbbrev *getDebugAbbrevDWO();
+
   /// Get a pointer to the parsed DebugAranges object.
   const DWARFDebugAranges *getDebugAranges();
 
+  /// Get a pointer to the parsed frame information object.
+  const DWARFDebugFrame *getDebugFrame();
+
   /// Get a pointer to a parsed line table corresponding to a compile unit.
   const DWARFDebugLine::LineTable *
   getLineTableForCompileUnit(DWARFCompileUnit *cu);
 
   virtual DILineInfo getLineInfoForAddress(uint64_t Address,
       DILineInfoSpecifier Specifier = DILineInfoSpecifier());
+  virtual DILineInfoTable getLineInfoForAddressRange(uint64_t Address,
+      uint64_t Size, DILineInfoSpecifier Specifier = DILineInfoSpecifier());
+  virtual DIInliningInfo getInliningInfoForAddress(uint64_t Address,
+      DILineInfoSpecifier Specifier = DILineInfoSpecifier());
 
-  bool isLittleEndian() const { return IsLittleEndian; }
-
-  virtual StringRef getInfoSection() = 0;
+  virtual bool isLittleEndian() const = 0;
+  virtual uint8_t getAddressSize() const = 0;
+  virtual const Section &getInfoSection() = 0;
+  typedef MapVector<object::SectionRef, Section,
+                    std::map<object::SectionRef, unsigned> > TypeSectionMap;
+  virtual const TypeSectionMap &getTypesSections() = 0;
   virtual StringRef getAbbrevSection() = 0;
+  virtual const Section &getLocSection() = 0;
   virtual StringRef getARangeSection() = 0;
-  virtual StringRef getLineSection() = 0;
+  virtual StringRef getDebugFrameSection() = 0;
+  virtual const Section &getLineSection() = 0;
   virtual StringRef getStringSection() = 0;
   virtual StringRef getRangeSection() = 0;
+  virtual StringRef getPubNamesSection() = 0;
+  virtual StringRef getPubTypesSection() = 0;
+  virtual StringRef getGnuPubNamesSection() = 0;
+  virtual StringRef getGnuPubTypesSection() = 0;
+
+  // Sections for DWARF5 split dwarf proposal.
+  virtual const Section &getInfoDWOSection() = 0;
+  virtual const TypeSectionMap &getTypesDWOSections() = 0;
+  virtual StringRef getAbbrevDWOSection() = 0;
+  virtual StringRef getStringDWOSection() = 0;
+  virtual StringRef getStringOffsetDWOSection() = 0;
+  virtual StringRef getRangeDWOSection() = 0;
+  virtual StringRef getAddrSection() = 0;
 
   static bool isSupportedVersion(unsigned version) {
-    return version == 2 || version == 3;
+    return version == 2 || version == 3 || version == 4;
   }
 private:
   /// Return the compile unit that includes an offset (relative to .debug_info).
@@ -86,14 +192,6 @@ private:
   /// Return the compile unit which contains instruction with provided
   /// address.
   DWARFCompileUnit *getCompileUnitForAddress(uint64_t Address);
-
-  /// Fetches filename, line and column number for given address and
-  /// compile unit. Returns true on success.
-  bool getFileLineInfoForCompileUnit(DWARFCompileUnit *CU,
-                                     uint64_t Address,
-                                     bool NeedsAbsoluteFilePath,
-                                     std::string &FileName,
-                                     uint32_t &Line, uint32_t &Column);
 };
 
 /// DWARFContextInMemory is the simplest possible implementation of a
@@ -101,35 +199,66 @@ private:
 /// pointers to it.
 class DWARFContextInMemory : public DWARFContext {
   virtual void anchor();
-  StringRef InfoSection;
+  bool IsLittleEndian;
+  uint8_t AddressSize;
+  Section InfoSection;
+  TypeSectionMap TypesSections;
   StringRef AbbrevSection;
+  Section LocSection;
   StringRef ARangeSection;
-  StringRef LineSection;
+  StringRef DebugFrameSection;
+  Section LineSection;
   StringRef StringSection;
   StringRef RangeSection;
+  StringRef PubNamesSection;
+  StringRef PubTypesSection;
+  StringRef GnuPubNamesSection;
+  StringRef GnuPubTypesSection;
+
+  // Sections for DWARF5 split dwarf proposal.
+  Section InfoDWOSection;
+  TypeSectionMap TypesDWOSections;
+  StringRef AbbrevDWOSection;
+  StringRef StringDWOSection;
+  StringRef StringOffsetDWOSection;
+  StringRef RangeDWOSection;
+  StringRef AddrSection;
+
+  SmallVector<MemoryBuffer*, 4> UncompressedSections;
+
 public:
-  DWARFContextInMemory(bool isLittleEndian,
-                       StringRef infoSection,
-                       StringRef abbrevSection,
-                       StringRef aRangeSection,
-                       StringRef lineSection,
-                       StringRef stringSection,
-                       StringRef rangeSection)
-    : DWARFContext(isLittleEndian),
-      InfoSection(infoSection),
-      AbbrevSection(abbrevSection),
-      ARangeSection(aRangeSection),
-      LineSection(lineSection),
-      StringSection(stringSection),
-      RangeSection(rangeSection)
-    {}
-
-  virtual StringRef getInfoSection() { return InfoSection; }
+  DWARFContextInMemory(object::ObjectFile *);
+  ~DWARFContextInMemory();
+  virtual bool isLittleEndian() const { return IsLittleEndian; }
+  virtual uint8_t getAddressSize() const { return AddressSize; }
+  virtual const Section &getInfoSection() { return InfoSection; }
+  virtual const TypeSectionMap &getTypesSections() { return TypesSections; }
   virtual StringRef getAbbrevSection() { return AbbrevSection; }
+  virtual const Section &getLocSection() { return LocSection; }
   virtual StringRef getARangeSection() { return ARangeSection; }
-  virtual StringRef getLineSection() { return LineSection; }
+  virtual StringRef getDebugFrameSection() { return DebugFrameSection; }
+  virtual const Section &getLineSection() { return LineSection; }
   virtual StringRef getStringSection() { return StringSection; }
   virtual StringRef getRangeSection() { return RangeSection; }
+  virtual StringRef getPubNamesSection() { return PubNamesSection; }
+  virtual StringRef getPubTypesSection() { return PubTypesSection; }
+  virtual StringRef getGnuPubNamesSection() { return GnuPubNamesSection; }
+  virtual StringRef getGnuPubTypesSection() { return GnuPubTypesSection; }
+
+  // Sections for DWARF5 split dwarf proposal.
+  virtual const Section &getInfoDWOSection() { return InfoDWOSection; }
+  virtual const TypeSectionMap &getTypesDWOSections() {
+    return TypesDWOSections;
+  }
+  virtual StringRef getAbbrevDWOSection() { return AbbrevDWOSection; }
+  virtual StringRef getStringDWOSection() { return StringDWOSection; }
+  virtual StringRef getStringOffsetDWOSection() {
+    return StringOffsetDWOSection;
+  }
+  virtual StringRef getRangeDWOSection() { return RangeDWOSection; }
+  virtual StringRef getAddrSection() {
+    return AddrSection;
+  }
 };
 
 }