src/share/vm/utilities/elfSymbolTable.hpp

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  28 #if !defined(_WINDOWS) && !defined(__APPLE__)
  29 
  30 
  31 #include "memory/allocation.hpp"
  32 #include "utilities/decoder.hpp"
  33 #include "utilities/elfFile.hpp"
  34 
  35 /*
  36  * symbol table object represents a symbol section in an elf file.
  37  * Whenever possible, it will load all symbols from the corresponding section
  38  * of the elf file into memory. Otherwise, it will walk the section in file
  39  * to look up the symbol that nearest the given address.
  40  */
  41 class ElfSymbolTable: public CHeapObj {
  42   friend class ElfFile;
  43  public:
  44   ElfSymbolTable(FILE* file, Elf_Shdr shdr);
  45   ~ElfSymbolTable();
  46 
  47   // search the symbol that is nearest to the specified address.
  48   Decoder::decoder_status lookup(address addr, int* stringtableIndex, int* posIndex, int* offset);
  49 
  50   Decoder::decoder_status get_status() { return m_status; };
  51 
  52  protected:
  53   ElfSymbolTable*  m_next;
  54 
  55   // holds a complete symbol table section if
  56   // can allocate enough memory
  57   Elf_Sym*            m_symbols;
  58 
  59   // file contains string table
  60   FILE*               m_file;
  61 
  62   // section header
  63   Elf_Shdr            m_shdr;
  64 
  65   Decoder::decoder_status  m_status;
  66 };
  67 
  68 #endif // _WINDOWS


  28 #if !defined(_WINDOWS) && !defined(__APPLE__)
  29 
  30 
  31 #include "memory/allocation.hpp"
  32 #include "utilities/decoder.hpp"
  33 #include "utilities/elfFile.hpp"
  34 
  35 /*
  36  * symbol table object represents a symbol section in an elf file.
  37  * Whenever possible, it will load all symbols from the corresponding section
  38  * of the elf file into memory. Otherwise, it will walk the section in file
  39  * to look up the symbol that nearest the given address.
  40  */
  41 class ElfSymbolTable: public CHeapObj {
  42   friend class ElfFile;
  43  public:
  44   ElfSymbolTable(FILE* file, Elf_Shdr shdr);
  45   ~ElfSymbolTable();
  46 
  47   // search the symbol that is nearest to the specified address.
  48   bool lookup(address addr, int* stringtableIndex, int* posIndex, int* offset);
  49 
  50   Decoder::decoder_status get_status() { return m_status; };
  51 
  52  protected:
  53   ElfSymbolTable*  m_next;
  54 
  55   // holds a complete symbol table section if
  56   // can allocate enough memory
  57   Elf_Sym*            m_symbols;
  58 
  59   // file contains string table
  60   FILE*               m_file;
  61 
  62   // section header
  63   Elf_Shdr            m_shdr;
  64 
  65   Decoder::decoder_status  m_status;
  66 };
  67 
  68 #endif // _WINDOWS