src/share/vm/utilities/elfFile.hpp
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src/share/vm/utilities/elfFile.hpp

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rev 2695 : shared changes
rev 2696 : elf fixes


   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef __ELF_FILE_HPP
  26 #define __ELF_FILE_HPP
  27 
  28 #ifndef _WINDOWS
  29 



  30 #include <elf.h>

  31 #include <stdio.h>
  32 
  33 #ifdef _LP64
  34 
  35 typedef Elf64_Half      Elf_Half;
  36 typedef Elf64_Word      Elf_Word;
  37 typedef Elf64_Off       Elf_Off;
  38 typedef Elf64_Addr      Elf_Addr;
  39 
  40 typedef Elf64_Ehdr      Elf_Ehdr;
  41 typedef Elf64_Shdr      Elf_Shdr;
  42 typedef Elf64_Sym       Elf_Sym;
  43 

  44 #define ELF_ST_TYPE ELF64_ST_TYPE

  45 
  46 #else
  47 
  48 typedef Elf32_Half      Elf_Half;
  49 typedef Elf32_Word      Elf_Word;
  50 typedef Elf32_Off       Elf_Off;
  51 typedef Elf32_Addr      Elf_Addr;
  52 
  53 
  54 typedef Elf32_Ehdr      Elf_Ehdr;
  55 typedef Elf32_Shdr      Elf_Shdr;
  56 typedef Elf32_Sym       Elf_Sym;
  57 

  58 #define ELF_ST_TYPE ELF32_ST_TYPE
  59 #endif

  60 
  61 #include "globalDefinitions.hpp"
  62 #include "memory/allocation.hpp"
  63 #include "utilities/decoder.hpp"
  64 
  65 
  66 class ElfStringTable;
  67 class ElfSymbolTable;
  68 
  69 
  70 // On Solaris/Linux platforms, libjvm.so does contain all private symbols.
  71 // ElfFile is basically an elf file parser, which can lookup the symbol
  72 // that is the nearest to the given address.
  73 // Beware, this code is called from vm error reporting code, when vm is already
  74 // in "error" state, so there are scenarios, lookup will fail. We want this
  75 // part of code to be very defensive, and bait out if anything went wrong.
  76 
  77 class ElfFile: public CHeapObj {
  78   friend class Decoder;
  79  public:


 120  private:
 121   // file
 122   const char* m_filepath;
 123   FILE* m_file;
 124 
 125   // Elf header
 126   Elf_Ehdr            m_elfHdr;
 127 
 128   // symbol tables
 129   ElfSymbolTable*     m_symbol_tables;
 130 
 131   // string tables
 132   ElfStringTable*     m_string_tables;
 133 
 134   Decoder::decoder_status  m_status;
 135 };
 136 
 137 #endif // _WINDOWS
 138 
 139 #endif // __ELF_FILE_HPP
 140 


   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef __ELF_FILE_HPP
  26 #define __ELF_FILE_HPP
  27 
  28 #if !defined(_WINDOWS) && !defined(__APPLE__)
  29 
  30 #if defined(__OpenBSD__)
  31 #include <sys/exec_elf.h>
  32 #else
  33 #include <elf.h>
  34 #endif
  35 #include <stdio.h>
  36 
  37 #ifdef _LP64
  38 
  39 typedef Elf64_Half      Elf_Half;
  40 typedef Elf64_Word      Elf_Word;
  41 typedef Elf64_Off       Elf_Off;
  42 typedef Elf64_Addr      Elf_Addr;
  43 
  44 typedef Elf64_Ehdr      Elf_Ehdr;
  45 typedef Elf64_Shdr      Elf_Shdr;
  46 typedef Elf64_Sym       Elf_Sym;
  47 
  48 #if !defined(_ALLBSD_SOURCE) || defined(__APPLE__)
  49 #define ELF_ST_TYPE ELF64_ST_TYPE
  50 #endif
  51 
  52 #else
  53 
  54 typedef Elf32_Half      Elf_Half;
  55 typedef Elf32_Word      Elf_Word;
  56 typedef Elf32_Off       Elf_Off;
  57 typedef Elf32_Addr      Elf_Addr;
  58 
  59 
  60 typedef Elf32_Ehdr      Elf_Ehdr;
  61 typedef Elf32_Shdr      Elf_Shdr;
  62 typedef Elf32_Sym       Elf_Sym;
  63 
  64 #if !defined(_ALLBSD_SOURCE) || defined(__APPLE__)
  65 #define ELF_ST_TYPE ELF32_ST_TYPE
  66 #endif
  67 #endif
  68 
  69 #include "globalDefinitions.hpp"
  70 #include "memory/allocation.hpp"
  71 #include "utilities/decoder.hpp"
  72 
  73 
  74 class ElfStringTable;
  75 class ElfSymbolTable;
  76 
  77 
  78 // On Solaris/Linux platforms, libjvm.so does contain all private symbols.
  79 // ElfFile is basically an elf file parser, which can lookup the symbol
  80 // that is the nearest to the given address.
  81 // Beware, this code is called from vm error reporting code, when vm is already
  82 // in "error" state, so there are scenarios, lookup will fail. We want this
  83 // part of code to be very defensive, and bait out if anything went wrong.
  84 
  85 class ElfFile: public CHeapObj {
  86   friend class Decoder;
  87  public:


 128  private:
 129   // file
 130   const char* m_filepath;
 131   FILE* m_file;
 132 
 133   // Elf header
 134   Elf_Ehdr            m_elfHdr;
 135 
 136   // symbol tables
 137   ElfSymbolTable*     m_symbol_tables;
 138 
 139   // string tables
 140   ElfStringTable*     m_string_tables;
 141 
 142   Decoder::decoder_status  m_status;
 143 };
 144 
 145 #endif // _WINDOWS
 146 
 147 #endif // __ELF_FILE_HPP

src/share/vm/utilities/elfFile.hpp
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