X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FDebugInfo%2FDWARFCompileUnit.h;h=4fee0d2f8ad448b890cc83757fbe1ce1942be78b;hb=78f686d37cc3b4e70bbfc2acdfcfec8443fd3250;hp=2a74605fcb2d3d3d3a63f9b580d190dc5f2b1864;hpb=ee7c0d2f931590ccdc53a14b1839e11bb29fc96e;p=oota-llvm.git

diff --git a/lib/DebugInfo/DWARFCompileUnit.h b/lib/DebugInfo/DWARFCompileUnit.h
index 2a74605fcb2..4fee0d2f8ad 100644
--- a/lib/DebugInfo/DWARFCompileUnit.h
+++ b/lib/DebugInfo/DWARFCompileUnit.h
@@ -7,135 +7,22 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_DEBUGINFO_DWARFCOMPILEUNIT_H
-#define LLVM_DEBUGINFO_DWARFCOMPILEUNIT_H
+#ifndef LLVM_LIB_DEBUGINFO_DWARFCOMPILEUNIT_H
+#define LLVM_LIB_DEBUGINFO_DWARFCOMPILEUNIT_H
 
-#include "DWARFDebugAbbrev.h"
-#include "DWARFDebugInfoEntry.h"
-#include "DWARFDebugRangeList.h"
-#include "DWARFRelocMap.h"
-#include <vector>
+#include "DWARFUnit.h"
 
 namespace llvm {
 
-class DWARFDebugAbbrev;
-class StringRef;
-class raw_ostream;
-
-class DWARFCompileUnit {
-  const DWARFDebugAbbrev *Abbrev;
-  StringRef InfoSection;
-  StringRef AbbrevSection;
-  StringRef RangeSection;
-  StringRef StringSection;
-  StringRef StringOffsetSection;
-  StringRef AddrOffsetSection;
-  const RelocAddrMap *RelocMap;
-  bool isLittleEndian;
-
-  uint32_t Offset;
-  uint32_t Length;
-  uint16_t Version;
-  const DWARFAbbreviationDeclarationSet *Abbrevs;
-  uint8_t AddrSize;
-  uint64_t BaseAddr;
-  // The compile unit debug information entry item.
-  std::vector<DWARFDebugInfoEntryMinimal> DieArray;
+class DWARFCompileUnit : public DWARFUnit {
 public:
-
-  DWARFCompileUnit(const DWARFDebugAbbrev *DA, StringRef IS, StringRef AS,
-                   StringRef RS, StringRef SS, StringRef SOS, StringRef AOS,
-                   const RelocAddrMap *M, bool LE) :
-    Abbrev(DA), InfoSection(IS), AbbrevSection(AS),
-    RangeSection(RS), StringSection(SS), StringOffsetSection(SOS),
-    AddrOffsetSection(AOS), RelocMap(M), isLittleEndian(LE) {
-    clear();
-  }
-
-  StringRef getStringSection() const { return StringSection; }
-  StringRef getStringOffsetSection() const { return StringOffsetSection; }
-  StringRef getAddrOffsetSection() const { return AddrOffsetSection; }
-  const RelocAddrMap *getRelocMap() const { return RelocMap; }
-  DataExtractor getDebugInfoExtractor() const;
-
-  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 cu_die_only);
-  /// 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.
-  bool extractRangeList(uint32_t RangeListOffset,
-                        DWARFDebugRangeList &RangeList) const;
-  void clear();
+  DWARFCompileUnit(const DWARFDebugAbbrev *DA, StringRef IS, StringRef RS,
+                   StringRef SS, StringRef SOS, StringRef AOS,
+                   const RelocAddrMap *M, bool LE)
+      : DWARFUnit(DA, IS, RS, SS, SOS, AOS, M, LE) {}
   void dump(raw_ostream &OS);
-  uint32_t getOffset() const { return Offset; }
-  /// Size in bytes of the compile unit header.
-  uint32_t getSize() const { return 11; }
-  bool containsDIEOffset(uint32_t die_offset) const {
-    return die_offset >= getFirstDIEOffset() &&
-      die_offset < getNextCompileUnitOffset();
-  }
-  uint32_t getFirstDIEOffset() const { return Offset + getSize(); }
-  uint32_t getNextCompileUnitOffset() 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 {
-    return Abbrevs;
-  }
-  uint8_t getAddressByteSize() const { return AddrSize; }
-  uint64_t getBaseAddress() const { return BaseAddr; }
-
-  void setBaseAddress(uint64_t base_addr) {
-    BaseAddr = base_addr;
-  }
-
-  const DWARFDebugInfoEntryMinimal *
-  getCompileUnitDIE(bool extract_cu_die_only = true) {
-    extractDIEsIfNeeded(extract_cu_die_only);
-    if (DieArray.empty())
-      return NULL;
-    return &DieArray[0];
-  }
-
-  const char *getCompilationDir();
-
-  /// 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 addDIE(DWARFDebugInfoEntryMinimal &die) {
-    // The average bytes per DIE entry has been seen to be
-    // around 14-20 so lets pre-reserve the needed memory for
-    // our DIE entries accordingly. Search forward for "Compute
-    // average bytes per DIE" to see #if'ed out code that does
-    // that determination.
-
-    // Only reserve the memory if we are adding children of
-    // the main compile unit DIE. The compile unit DIE is always
-    // the first entry, so if our size is 1, then we are adding
-    // the first compile unit child DIE and should reserve
-    // the memory.
-    if (DieArray.empty())
-      DieArray.reserve(getDebugInfoSize() / 14);
-    DieArray.push_back(die);
-  }
-
-  void clearDIEs(bool keep_compile_unit_die);
-
-  void buildAddressRangeTable(DWARFDebugAranges *debug_aranges,
-                              bool clear_dies_if_already_not_parsed);
-
-  /// getInlinedChainForAddress - fetches inlined chain for a given address.
-  /// Returns empty chain if there is no subprogram containing address.
-  DWARFDebugInfoEntryMinimal::InlinedChain getInlinedChainForAddress(
-      uint64_t Address);
+  // VTable anchor.
+  ~DWARFCompileUnit() override;
 };
 
 }