Reapply [FastISel][AArch64] Make use of the zero register when possible (r215591).

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

diff --git a/lib/DebugInfo/DWARFUnit.h b/lib/DebugInfo/DWARFUnit.h
index 4d93de9e100a7669060cdd44e64ade352893e26a..206d86c3087f6b0d16a53650130f1fdd5ae373da 100644 (file)
--- a/lib/DebugInfo/DWARFUnit.h
+++ b/lib/DebugInfo/DWARFUnit.h
@@ -7,10 +7,9 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_DEBUGINFO_DWARFUNIT_H
-#define LLVM_DEBUGINFO_DWARFUNIT_H
+#ifndef LLVM_LIB_DEBUGINFO_DWARFUNIT_H
+#define LLVM_LIB_DEBUGINFO_DWARFUNIT_H
 
-#include "llvm/ADT/OwningPtr.h"
 #include "DWARFDebugAbbrev.h"
 #include "DWARFDebugInfoEntry.h"
 #include "DWARFDebugRangeList.h"
@@ -30,7 +29,6 @@ class raw_ostream;
 class DWARFUnit {
   const DWARFDebugAbbrev *Abbrev;
   StringRef InfoSection;
-  StringRef AbbrevSection;
   StringRef RangeSection;
   uint32_t RangeSectionBase;
   StringRef StringSection;
@@ -50,23 +48,24 @@ class DWARFUnit {
   std::vector<DWARFDebugInfoEntryMinimal> DieArray;
 
   class DWOHolder {
-    OwningPtr<object::ObjectFile> DWOFile;
-    OwningPtr<DWARFContext> DWOContext;
+    std::unique_ptr<object::ObjectFile> DWOFile;
+    std::unique_ptr<DWARFContext> DWOContext;
     DWARFUnit *DWOU;
   public:
-    DWOHolder(object::ObjectFile *DWOFile);
+    DWOHolder(std::unique_ptr<object::ObjectFile> DWOFile);
     DWARFUnit *getUnit() const { return DWOU; }
   };
-  OwningPtr<DWOHolder> DWO;
+  std::unique_ptr<DWOHolder> DWO;
 
 protected:
   virtual bool extractImpl(DataExtractor debug_info, uint32_t *offset_ptr);
+  /// Size in bytes of the unit header.
+  virtual uint32_t getHeaderSize() const { return 11; }
 
 public:
-
-  DWARFUnit(const DWARFDebugAbbrev *DA, StringRef IS, StringRef AS,
-            StringRef RS, StringRef SS, StringRef SOS, StringRef AOS,
-            const RelocAddrMap *M, bool LE);
+  DWARFUnit(const DWARFDebugAbbrev *DA, StringRef IS, StringRef RS,
+            StringRef SS, StringRef SOS, StringRef AOS, const RelocAddrMap *M,
+            bool LE);
 
   virtual ~DWARFUnit();
 
@@ -95,12 +94,7 @@ public:
   const RelocAddrMap *getRelocMap() const { return RelocMap; }
 
   bool extract(DataExtractor debug_info, uint32_t* offset_ptr);
-  uint32_t extract(uint32_t offset, DataExtractor debug_info_data,
-                   const DWARFAbbreviationDeclarationSet *abbrevs);
 
-  /// extractDIEsIfNeeded - Parses a compile unit and indexes its DIEs if it
-  /// hasn't already been done. Returns the number of DIEs parsed at this call.
-  size_t extractDIEsIfNeeded(bool CUDieOnly);
   /// extractRangeList - extracts the range list referenced by this compile
   /// unit from .debug_ranges section. Returns true on success.
   /// Requires that compile unit is already extracted.
@@ -108,16 +102,7 @@ public:
                         DWARFDebugRangeList &RangeList) const;
   void clear();
   uint32_t getOffset() const { return Offset; }
-  /// Size in bytes of the compile unit header.
-  virtual uint32_t getSize() const { return 11; }
-  bool containsDIEOffset(uint32_t die_offset) const {
-    return die_offset >= getFirstDIEOffset() &&
-      die_offset < getNextUnitOffset();
-  }
-  uint32_t getFirstDIEOffset() const { return Offset + getSize(); }
   uint32_t getNextUnitOffset() const { return Offset + Length + 4; }
-  /// Size in bytes of the .debug_info data associated with this compile unit.
-  size_t getDebugInfoSize() const { return Length + 4 - getSize(); }
   uint32_t getLength() const { return Length; }
   uint16_t getVersion() const { return Version; }
   const DWARFAbbreviationDeclarationSet *getAbbreviations() const {
@@ -133,20 +118,13 @@ public:
   const DWARFDebugInfoEntryMinimal *
   getCompileUnitDIE(bool extract_cu_die_only = true) {
     extractDIEsIfNeeded(extract_cu_die_only);
-    return DieArray.empty() ? NULL : &DieArray[0];
+    return DieArray.empty() ? nullptr : &DieArray[0];
   }
 
   const char *getCompilationDir();
   uint64_t getDWOId();
 
-  /// setDIERelations - We read in all of the DIE entries into our flat list
-  /// of DIE entries and now we need to go back through all of them and set the
-  /// parent, sibling and child pointers for quick DIE navigation.
-  void setDIERelations();
-
-  void buildAddressRangeTable(DWARFDebugAranges *debug_aranges,
-                              bool clear_dies_if_already_not_parsed,
-                              uint32_t CUOffsetInAranges);
+  void collectAddressRanges(DWARFAddressRangesVector &CURanges);
 
   /// getInlinedChainForAddress - fetches inlined chain for a given address.
   /// Returns empty chain if there is no subprogram containing address. The
@@ -154,9 +132,19 @@ public:
   DWARFDebugInfoEntryInlinedChain getInlinedChainForAddress(uint64_t Address);
 
 private:
+  /// Size in bytes of the .debug_info data associated with this compile unit.
+  size_t getDebugInfoSize() const { return Length + 4 - getHeaderSize(); }
+
+  /// extractDIEsIfNeeded - Parses a compile unit and indexes its DIEs if it
+  /// hasn't already been done. Returns the number of DIEs parsed at this call.
+  size_t extractDIEsIfNeeded(bool CUDieOnly);
   /// extractDIEsToVector - Appends all parsed DIEs to a vector.
   void extractDIEsToVector(bool AppendCUDie, bool AppendNonCUDIEs,
                            std::vector<DWARFDebugInfoEntryMinimal> &DIEs) const;
+  /// setDIERelations - We read in all of the DIE entries into our flat list
+  /// of DIE entries and now we need to go back through all of them and set the
+  /// parent, sibling and child pointers for quick DIE navigation.
+  void setDIERelations();
   /// clearDIEs - Clear parsed DIEs to keep memory usage low.
   void clearDIEs(bool KeepCUDie);