1 /* 2 * Copyright (c) 2013, 2019, 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_STUBROUTINES_X86_HPP 26 #define CPU_X86_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 = 35300 LP64_ONLY(+11400) // 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 58 public: 59 60 static address get_previous_fp_entry() { 61 return _get_previous_fp_entry; 62 } 63 64 static address get_previous_sp_entry() { 65 return _get_previous_sp_entry; 66 } 67 68 static address f2i_fixup() { 69 return _f2i_fixup; 70 } 71 72 static address f2l_fixup() { 73 return _f2l_fixup; 74 } 75 76 static address d2i_fixup() { 77 return _d2i_fixup; 78 } 79 80 static address d2l_fixup() { 81 return _d2l_fixup; 82 } 83 84 static address float_sign_mask() { 85 return _float_sign_mask; 86 } 87 88 static address float_sign_flip() { 89 return _float_sign_flip; 90 } 91 92 static address double_sign_mask() { 93 return _double_sign_mask; 94 } 95 96 static address double_sign_flip() { 97 return _double_sign_flip; 98 } 99 100 #else // !LP64 101 102 private: 103 static address _verify_fpu_cntrl_wrd_entry; 104 105 public: 106 static address verify_fpu_cntrl_wrd_entry() { return _verify_fpu_cntrl_wrd_entry; } 107 108 #endif // !LP64 109 110 private: 111 static address _verify_mxcsr_entry; 112 // shuffle mask for fixing up 128-bit words consisting of big-endian 32-bit integers 113 static address _key_shuffle_mask_addr; 114 115 //shuffle mask for big-endian 128-bit integers 116 static address _counter_shuffle_mask_addr; 117 118 static address _method_entry_barrier; 119 120 // masks and table for CRC32 121 static uint64_t _crc_by128_masks[]; 122 static juint _crc_table[]; 123 // table for CRC32C 124 static juint* _crc32c_table; 125 // swap mask for ghash 126 static address _ghash_long_swap_mask_addr; 127 static address _ghash_byte_swap_mask_addr; 128 static address _ghash_poly_addr; 129 static address _ghash_shuffmask_addr; 130 131 // upper word mask for sha1 132 static address _upper_word_mask_addr; 133 // byte flip mask for sha1 134 static address _shuffle_byte_flip_mask_addr; 135 136 //k256 table for sha256 137 static juint _k256[]; 138 static address _k256_adr; 139 static address _vector_short_to_byte_mask; 140 static address _vector_float_sign_mask; 141 static address _vector_float_sign_flip; 142 static address _vector_double_sign_mask; 143 static address _vector_double_sign_flip; 144 static address _vector_byte_perm_mask; 145 static address _vector_long_sign_mask; 146 #ifdef _LP64 147 static juint _k256_W[]; 148 static address _k256_W_adr; 149 static julong _k512_W[]; 150 static address _k512_W_addr; 151 // byte flip mask for sha512 152 static address _pshuffle_byte_flip_mask_addr_sha512; 153 static address _counter_mask_addr; 154 // Masks for base64 155 static address _base64_charset; 156 static address _bswap_mask; 157 static address _gather_mask; 158 static address _right_shift_mask; 159 static address _left_shift_mask; 160 static address _and_mask; 161 static address _url_charset; 162 #endif 163 // byte flip mask for sha256 164 static address _pshuffle_byte_flip_mask_addr; 165 166 //tables common for LIBM sin and cos 167 static juint _ONEHALF[]; 168 static address _ONEHALF_adr; 169 static juint _P_2[]; 170 static address _P_2_adr; 171 static juint _SC_4[]; 172 static address _SC_4_adr; 173 static juint _Ctable[]; 174 static address _Ctable_adr; 175 static juint _SC_2[]; 176 static address _SC_2_adr; 177 static juint _SC_3[]; 178 static address _SC_3_adr; 179 static juint _SC_1[]; 180 static address _SC_1_adr; 181 static juint _PI_INV_TABLE[]; 182 static address _PI_INV_TABLE_adr; 183 static juint _PI_4[]; 184 static address _PI_4_adr; 185 static juint _PI32INV[]; 186 static address _PI32INV_adr; 187 static juint _SIGN_MASK[]; 188 static address _SIGN_MASK_adr; 189 static juint _P_1[]; 190 static address _P_1_adr; 191 static juint _P_3[]; 192 static address _P_3_adr; 193 static juint _NEG_ZERO[]; 194 static address _NEG_ZERO_adr; 195 196 //tables common for LIBM sincos and tancot 197 static juint _L_2il0floatpacket_0[]; 198 static address _L_2il0floatpacket_0_adr; 199 static juint _Pi4Inv[]; 200 static address _Pi4Inv_adr; 201 static juint _Pi4x3[]; 202 static address _Pi4x3_adr; 203 static juint _Pi4x4[]; 204 static address _Pi4x4_adr; 205 static juint _ones[]; 206 static address _ones_adr; 207 208 public: 209 static address verify_mxcsr_entry() { return _verify_mxcsr_entry; } 210 static address key_shuffle_mask_addr() { return _key_shuffle_mask_addr; } 211 static address counter_shuffle_mask_addr() { return _counter_shuffle_mask_addr; } 212 static address crc_by128_masks_addr() { return (address)_crc_by128_masks; } 213 static address ghash_long_swap_mask_addr() { return _ghash_long_swap_mask_addr; } 214 static address ghash_byte_swap_mask_addr() { return _ghash_byte_swap_mask_addr; } 215 static address ghash_shufflemask_addr() { return _ghash_shuffmask_addr; } 216 static address ghash_polynomial_addr() { return _ghash_poly_addr; } 217 static address upper_word_mask_addr() { return _upper_word_mask_addr; } 218 static address shuffle_byte_flip_mask_addr() { return _shuffle_byte_flip_mask_addr; } 219 static address k256_addr() { return _k256_adr; } 220 static address method_entry_barrier() { return _method_entry_barrier; } 221 222 static address vector_short_to_byte_mask() { 223 return _vector_short_to_byte_mask; 224 } 225 static address vector_float_sign_mask() { 226 return _vector_float_sign_mask; 227 } 228 229 static address vector_float_sign_flip() { 230 return _vector_float_sign_flip; 231 } 232 233 static address vector_double_sign_mask() { 234 return _vector_double_sign_mask; 235 } 236 237 static address vector_double_sign_flip() { 238 return _vector_double_sign_flip; 239 } 240 241 static address vector_byte_perm_mask() { 242 return _vector_byte_perm_mask; 243 } 244 245 static address vector_long_sign_mask() { 246 return _vector_long_sign_mask; 247 } 248 #ifdef _LP64 249 static address k256_W_addr() { return _k256_W_adr; } 250 static address k512_W_addr() { return _k512_W_addr; } 251 static address pshuffle_byte_flip_mask_addr_sha512() { return _pshuffle_byte_flip_mask_addr_sha512; } 252 static address base64_charset_addr() { return _base64_charset; } 253 static address base64url_charset_addr() { return _url_charset; } 254 static address base64_bswap_mask_addr() { return _bswap_mask; } 255 static address base64_gather_mask_addr() { return _gather_mask; } 256 static address base64_right_shift_mask_addr() { return _right_shift_mask; } 257 static address base64_left_shift_mask_addr() { return _left_shift_mask; } 258 static address base64_and_mask_addr() { return _and_mask; } 259 static address counter_mask_addr() { return _counter_mask_addr; } 260 #endif 261 static address pshuffle_byte_flip_mask_addr() { return _pshuffle_byte_flip_mask_addr; } 262 static void generate_CRC32C_table(bool is_pclmulqdq_supported); 263 static address _ONEHALF_addr() { return _ONEHALF_adr; } 264 static address _P_2_addr() { return _P_2_adr; } 265 static address _SC_4_addr() { return _SC_4_adr; } 266 static address _Ctable_addr() { return _Ctable_adr; } 267 static address _SC_2_addr() { return _SC_2_adr; } 268 static address _SC_3_addr() { return _SC_3_adr; } 269 static address _SC_1_addr() { return _SC_1_adr; } 270 static address _PI_INV_TABLE_addr() { return _PI_INV_TABLE_adr; } 271 static address _PI_4_addr() { return _PI_4_adr; } 272 static address _PI32INV_addr() { return _PI32INV_adr; } 273 static address _SIGN_MASK_addr() { return _SIGN_MASK_adr; } 274 static address _P_1_addr() { return _P_1_adr; } 275 static address _P_3_addr() { return _P_3_adr; } 276 static address _NEG_ZERO_addr() { return _NEG_ZERO_adr; } 277 static address _L_2il0floatpacket_0_addr() { return _L_2il0floatpacket_0_adr; } 278 static address _Pi4Inv_addr() { return _Pi4Inv_adr; } 279 static address _Pi4x3_addr() { return _Pi4x3_adr; } 280 static address _Pi4x4_addr() { return _Pi4x4_adr; } 281 static address _ones_addr() { return _ones_adr; } 282 283 }; 284 285 #endif // CPU_X86_STUBROUTINES_X86_HPP