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 = 24000 // simply increase if too small (assembler will crash if too small) 37 }; 38 39 class x86 { 40 friend class StubGenerator; 41 42 private: 43 static address _get_previous_fp_entry; 44 static address _get_previous_sp_entry; 45 46 static address _f2i_fixup; 47 static address _f2l_fixup; 48 static address _d2i_fixup; 49 static address _d2l_fixup; 50 51 static address _float_sign_mask; 52 static address _float_sign_flip; 53 static address _double_sign_mask; 54 static address _double_sign_flip; 55 56 public: 57 58 static address get_previous_fp_entry() 59 { 60 return _get_previous_fp_entry; 61 } 62 63 static address get_previous_sp_entry() 64 { 65 return _get_previous_sp_entry; 66 } 67 68 static address f2i_fixup() 69 { 70 return _f2i_fixup; 71 } 72 73 static address f2l_fixup() 74 { 75 return _f2l_fixup; 76 } 77 78 static address d2i_fixup() 79 { 80 return _d2i_fixup; 81 } 82 83 static address d2l_fixup() 84 { 85 return _d2l_fixup; | 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 = 24000 // simply increase if too small (assembler will crash if too small) 37 }; 38 39 class x86 { 40 friend class StubGenerator; 41 42 private: 43 static address _get_previous_fp_entry; 44 static address _get_previous_sp_entry; 45 46 static address _shenandoah_wb; 47 static address _f2i_fixup; 48 static address _f2l_fixup; 49 static address _d2i_fixup; 50 static address _d2l_fixup; 51 52 static address _float_sign_mask; 53 static address _float_sign_flip; 54 static address _double_sign_mask; 55 static address _double_sign_flip; 56 57 public: 58 59 static address get_previous_fp_entry() 60 { 61 return _get_previous_fp_entry; 62 } 63 64 static address get_previous_sp_entry() 65 { 66 return _get_previous_sp_entry; 67 } 68 69 static address shenandoah_wb() 70 { 71 return _shenandoah_wb; 72 } 73 74 static address f2i_fixup() 75 { 76 return _f2i_fixup; 77 } 78 79 static address f2l_fixup() 80 { 81 return _f2l_fixup; 82 } 83 84 static address d2i_fixup() 85 { 86 return _d2i_fixup; 87 } 88 89 static address d2l_fixup() 90 { 91 return _d2l_fixup; |