1 /* 2 * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 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_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(+10000) // 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 48 static address _f2i_fixup; 49 static address _f2l_fixup; 50 static address _d2i_fixup; 51 static address _d2l_fixup; 52 53 static address _float_sign_mask; 54 static address _float_sign_flip; 55 static address _double_sign_mask; 56 static address _double_sign_flip; 57 static address _vector_float_sign_mask; 58 static address _vector_float_sign_flip; 59 static address _vector_double_sign_mask; 60 static address _vector_double_sign_flip; 61 static address _vector_all_bits_set; 62 static address _vector_byte_bitset; 63 static address _vector_long_perm_mask; 64 static address _vector_byte_saturation_mask; 65 66 public: 67 68 static address get_previous_fp_entry() { 69 return _get_previous_fp_entry; 70 } 71 72 static address get_previous_sp_entry() { 73 return _get_previous_sp_entry; 74 } 75 76 static address f2i_fixup() { 77 return _f2i_fixup; 78 } 79 80 static address f2l_fixup() { 81 return _f2l_fixup; 82 } 83 84 static address d2i_fixup() { 85 return _d2i_fixup; 86 } 87 88 static address d2l_fixup() { 89 return _d2l_fixup; 90 } 91 92 static address float_sign_mask() { 93 return _float_sign_mask; 94 } 95 96 static address float_sign_flip() { 97 return _float_sign_flip; 98 } 99 100 static address double_sign_mask() { 101 return _double_sign_mask; 102 } 103 104 static address double_sign_flip() { 105 return _double_sign_flip; 106 } 107 108 static address vector_float_sign_mask() { 109 return _vector_float_sign_mask; 110 } 111 112 static address vector_float_sign_flip() { 113 return _vector_float_sign_flip; 114 } 115 116 static address vector_double_sign_mask() { 117 return _vector_double_sign_mask; 118 } 119 120 static address vector_double_sign_flip() { 121 return _vector_double_sign_flip; 122 } 123 124 static address vector_all_bits_set() { 125 return _vector_all_bits_set; 126 } 127 128 static address vector_byte_bitset() { 129 return _vector_byte_bitset; 130 } 131 132 static address vector_long_perm_mask() { 133 return _vector_long_perm_mask; 134 } 135 136 static address vector_byte_saturation_mask() { 137 return _vector_byte_saturation_mask; 138 } 139 140 #else // !LP64 141 142 private: 143 static address _verify_fpu_cntrl_wrd_entry; 144 145 public: 146 static address verify_fpu_cntrl_wrd_entry() { return _verify_fpu_cntrl_wrd_entry; } 147 148 #endif // !LP64 149 150 private: 151 static address _verify_mxcsr_entry; 152 // shuffle mask for fixing up 128-bit words consisting of big-endian 32-bit integers 153 static address _key_shuffle_mask_addr; 154 155 //shuffle mask for big-endian 128-bit integers 156 static address _counter_shuffle_mask_addr; 157 158 // masks and table for CRC32 159 static uint64_t _crc_by128_masks[]; 160 static juint _crc_table[]; 161 // table for CRC32C 162 static juint* _crc32c_table; 163 // swap mask for ghash 164 static address _ghash_long_swap_mask_addr; 165 static address _ghash_byte_swap_mask_addr; 166 167 // upper word mask for sha1 168 static address _upper_word_mask_addr; 169 // byte flip mask for sha1 170 static address _shuffle_byte_flip_mask_addr; 171 172 //k256 table for sha256 173 static juint _k256[]; 174 static address _k256_adr; 175 #ifdef _LP64 176 static juint _k256_W[]; 177 static address _k256_W_adr; 178 static julong _k512_W[]; 179 static address _k512_W_addr; 180 // byte flip mask for sha512 181 static address _pshuffle_byte_flip_mask_addr_sha512; 182 #endif 183 // byte flip mask for sha256 184 static address _pshuffle_byte_flip_mask_addr; 185 186 //tables common for LIBM sin and cos 187 static juint _ONEHALF[]; 188 static address _ONEHALF_adr; 189 static juint _P_2[]; 190 static address _P_2_adr; 191 static juint _SC_4[]; 192 static address _SC_4_adr; 193 static juint _Ctable[]; 194 static address _Ctable_adr; 195 static juint _SC_2[]; 196 static address _SC_2_adr; 197 static juint _SC_3[]; 198 static address _SC_3_adr; 199 static juint _SC_1[]; 200 static address _SC_1_adr; 201 static juint _PI_INV_TABLE[]; 202 static address _PI_INV_TABLE_adr; 203 static juint _PI_4[]; 204 static address _PI_4_adr; 205 static juint _PI32INV[]; 206 static address _PI32INV_adr; 207 static juint _SIGN_MASK[]; 208 static address _SIGN_MASK_adr; 209 static juint _P_1[]; 210 static address _P_1_adr; 211 static juint _P_3[]; 212 static address _P_3_adr; 213 static juint _NEG_ZERO[]; 214 static address _NEG_ZERO_adr; 215 216 //tables common for LIBM sincos and tancot 217 static juint _L_2il0floatpacket_0[]; 218 static address _L_2il0floatpacket_0_adr; 219 static juint _Pi4Inv[]; 220 static address _Pi4Inv_adr; 221 static juint _Pi4x3[]; 222 static address _Pi4x3_adr; 223 static juint _Pi4x4[]; 224 static address _Pi4x4_adr; 225 static juint _ones[]; 226 static address _ones_adr; 227 228 public: 229 static address verify_mxcsr_entry() { return _verify_mxcsr_entry; } 230 static address key_shuffle_mask_addr() { return _key_shuffle_mask_addr; } 231 static address counter_shuffle_mask_addr() { return _counter_shuffle_mask_addr; } 232 static address crc_by128_masks_addr() { return (address)_crc_by128_masks; } 233 static address ghash_long_swap_mask_addr() { return _ghash_long_swap_mask_addr; } 234 static address ghash_byte_swap_mask_addr() { return _ghash_byte_swap_mask_addr; } 235 static address upper_word_mask_addr() { return _upper_word_mask_addr; } 236 static address shuffle_byte_flip_mask_addr() { return _shuffle_byte_flip_mask_addr; } 237 static address k256_addr() { return _k256_adr; } 238 #ifdef _LP64 239 static address k256_W_addr() { return _k256_W_adr; } 240 static address k512_W_addr() { return _k512_W_addr; } 241 static address pshuffle_byte_flip_mask_addr_sha512() { return _pshuffle_byte_flip_mask_addr_sha512; } 242 #endif 243 static address pshuffle_byte_flip_mask_addr() { return _pshuffle_byte_flip_mask_addr; } 244 static void generate_CRC32C_table(bool is_pclmulqdq_supported); 245 static address _ONEHALF_addr() { return _ONEHALF_adr; } 246 static address _P_2_addr() { return _P_2_adr; } 247 static address _SC_4_addr() { return _SC_4_adr; } 248 static address _Ctable_addr() { return _Ctable_adr; } 249 static address _SC_2_addr() { return _SC_2_adr; } 250 static address _SC_3_addr() { return _SC_3_adr; } 251 static address _SC_1_addr() { return _SC_1_adr; } 252 static address _PI_INV_TABLE_addr() { return _PI_INV_TABLE_adr; } 253 static address _PI_4_addr() { return _PI_4_adr; } 254 static address _PI32INV_addr() { return _PI32INV_adr; } 255 static address _SIGN_MASK_addr() { return _SIGN_MASK_adr; } 256 static address _P_1_addr() { return _P_1_adr; } 257 static address _P_3_addr() { return _P_3_adr; } 258 static address _NEG_ZERO_addr() { return _NEG_ZERO_adr; } 259 static address _L_2il0floatpacket_0_addr() { return _L_2il0floatpacket_0_adr; } 260 static address _Pi4Inv_addr() { return _Pi4Inv_adr; } 261 static address _Pi4x3_addr() { return _Pi4x3_adr; } 262 static address _Pi4x4_addr() { return _Pi4x4_adr; } 263 static address _ones_addr() { return _ones_adr; } 264 265 }; 266 267 #endif // CPU_X86_VM_STUBROUTINES_X86_HPP