src/share/vm/utilities/elfSymbolTable.hpp

rev 5729 : 8019929: PPC64 (part 107): Extend ELF-decoder to support PPC64 function descriptor tables

@@ -43,11 +43,15 @@
  public:
   ElfSymbolTable(FILE* file, Elf_Shdr shdr);
   ~ElfSymbolTable();
 
   // search the symbol that is nearest to the specified address.
+#if defined(PPC64)
+  bool lookup(address addr, int* stringtableIndex, int* posIndex, int* offset, ElfFuncDescTable* funcDescTable);
+#else
   bool lookup(address addr, int* stringtableIndex, int* posIndex, int* offset);
+#endif
 
   NullDecoder::decoder_status get_status() { return m_status; };
 
  protected:
   ElfSymbolTable*  m_next;

@@ -63,8 +67,37 @@
   Elf_Shdr            m_shdr;
 
   NullDecoder::decoder_status  m_status;
 };
 
+#if defined(PPC64)
+
+class ElfFuncDescTable: public CHeapObj<mtInternal> {
+  friend class ElfFile;
+ public:
+  ElfFuncDescTable(FILE* file, Elf_Shdr shdr);
+  ~ElfFuncDescTable();
+
+  // return the function address for the function descriptor at 'index' or NULL on error
+  address lookup(Elf_Word index);
+
+  NullDecoder::decoder_status get_status() { return m_status; };
+
+ protected:
+  // holds the complete function descriptor section if
+  // we can allocate enough memory
+  address*            m_funcDescs;
+
+  // file contains string table
+  FILE*               m_file;
+
+  // section header
+  Elf_Shdr            m_shdr;
+
+  NullDecoder::decoder_status  m_status;
+};
+
+#endif
+
 #endif // _WINDOWS and _APPLE
 
 #endif // SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP