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 CPU_X86_VM_STUBROUTINES_X86_HPP
  26 #define CPU_X86_VM_STUBROUTINES_X86_HPP
  27 
  28 // This file holds the platform specific parts of the StubRoutines
  29 // definition. See stubRoutines.hpp for a description on how to
  30 // extend it.
  31 
  32 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
  33 
  34 enum platform_dependent_constants {
  35   code_size1 = 20000 LP64_ONLY(+10000),         // simply increase if too small (assembler will crash if too small)
  36   code_size2 = 33800 LP64_ONLY(+1200)           // simply increase if too small (assembler will crash if too small)

  37 };
  38 
  39 class x86 {
  40  friend class StubGenerator;
  41  friend class VMStructs;
  42 
  43 #ifdef _LP64
  44  private:
  45   static address _get_previous_fp_entry;
  46   static address _get_previous_sp_entry;
  47   static address _shenandoah_wb;
  48 
  49   static address _f2i_fixup;
  50   static address _f2l_fixup;
  51   static address _d2i_fixup;
  52   static address _d2l_fixup;
  53 
  54   static address _float_sign_mask;
  55   static address _float_sign_flip;
  56   static address _double_sign_mask;

  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 CPU_X86_VM_STUBROUTINES_X86_HPP
  26 #define CPU_X86_VM_STUBROUTINES_X86_HPP
  27 
  28 // This file holds the platform specific parts of the StubRoutines
  29 // definition. See stubRoutines.hpp for a description on how to
  30 // extend it.
  31 
  32 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
  33 
  34 enum platform_dependent_constants {
  35   code_size1 = 20000 LP64_ONLY(+10000),         // simply increase if too small (assembler will crash if too small)
  36   code_size2 = 33800 LP64_ONLY(+1200),          // simply increase if too small (assembler will crash if too small)
  37   code_size3 = 2000                             // simply increase if too small (assembler will crash if too small)
  38 };
  39 
  40 class x86 {
  41  friend class StubGenerator;
  42  friend class VMStructs;
  43 
  44 #ifdef _LP64
  45  private:
  46   static address _get_previous_fp_entry;
  47   static address _get_previous_sp_entry;
  48   static address _shenandoah_wb;
  49 
  50   static address _f2i_fixup;
  51   static address _f2l_fixup;
  52   static address _d2i_fixup;
  53   static address _d2l_fixup;
  54 
  55   static address _float_sign_mask;
  56   static address _float_sign_flip;
  57   static address _double_sign_mask;