src/cpu/x86/vm/stubRoutines_x86_64.hpp

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   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   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 // This file holds the platform specific parts of the StubRoutines
  26 // definition. See stubRoutines.hpp for a description on how to
  27 // extend it.
  28 
  29 static bool    returns_to_call_stub(address return_pc)   { return return_pc == _call_stub_return_address; }
  30 
  31 enum platform_dependent_constants {
  32   code_size1 = 19000,          // simply increase if too small (assembler will crash if too small)
  33   code_size2 = 22000           // simply increase if too small (assembler will crash if too small)
  34 };
  35 
  36 // MethodHandles adapters
  37 enum method_handles_platform_dependent_constants {
  38   method_handles_adapters_code_size = 40000
  39 };
  40 
  41 class x86 {
  42  friend class StubGenerator;
  43 
  44  private:


  96   static address float_sign_flip()
  97   {
  98     return _float_sign_flip;
  99   }
 100 
 101   static address double_sign_mask()
 102   {
 103     return _double_sign_mask;
 104   }
 105 
 106   static address double_sign_flip()
 107   {
 108     return _double_sign_flip;
 109   }
 110 
 111   static address mxcsr_std()
 112   {
 113     return _mxcsr_std;
 114   }
 115 };




   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   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 CPU_X86_VM_STUBROUTINES_X86_64_HPP
  26 #define CPU_X86_VM_STUBROUTINES_X86_64_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 = 19000,          // simply increase if too small (assembler will crash if too small)
  36   code_size2 = 22000           // simply increase if too small (assembler will crash if too small)
  37 };
  38 
  39 // MethodHandles adapters
  40 enum method_handles_platform_dependent_constants {
  41   method_handles_adapters_code_size = 40000
  42 };
  43 
  44 class x86 {
  45  friend class StubGenerator;
  46 
  47  private:


  99   static address float_sign_flip()
 100   {
 101     return _float_sign_flip;
 102   }
 103 
 104   static address double_sign_mask()
 105   {
 106     return _double_sign_mask;
 107   }
 108 
 109   static address double_sign_flip()
 110   {
 111     return _double_sign_flip;
 112   }
 113 
 114   static address mxcsr_std()
 115   {
 116     return _mxcsr_std;
 117   }
 118 };
 119 
 120 #endif // CPU_X86_VM_STUBROUTINES_X86_64_HPP