1 /*
   2  * Copyright (c) 2013, 2015, 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  private:
  33   static address _verify_mxcsr_entry;
  34   // shuffle mask for fixing up 128-bit words consisting of big-endian 32-bit integers
  35   static address _key_shuffle_mask_addr;
  36 
  37   //shuffle mask for big-endian 128-bit integers
  38   static address _counter_shuffle_mask_addr;
  39 
  40   // masks and table for CRC32
  41   static uint64_t _crc_by128_masks[];
  42   static juint    _crc_table[];
  43   // table for CRC32C
  44   static juint* _crc32c_table;
  45   // swap mask for ghash
  46   static address _ghash_long_swap_mask_addr;
  47   static address _ghash_byte_swap_mask_addr;
  48 
  49   // upper word mask for sha1
  50   static address _upper_word_mask_addr;
  51   // byte flip mask for sha1
  52   static address _shuffle_byte_flip_mask_addr;
  53 
  54   //k256 table for sha256
  55   static juint _k256[];
  56   static address _k256_adr;
  57 #ifdef _LP64
  58   static juint _k256_W[];
  59   static address _k256_W_adr;
  60 #endif
  61   // byte flip mask for sha256
  62   static address _pshuffle_byte_flip_mask_addr;
  63 
  64   //tables common for LIBM sin and cos
  65   static juint _ONEHALF[];
  66   static address _ONEHALF_adr;
  67   static juint _P_2[];
  68   static address _P_2_adr;
  69   static juint _SC_4[];
  70   static address _SC_4_adr;
  71   static juint _Ctable[];
  72   static address _Ctable_adr;
  73   static juint _SC_2[];
  74   static address _SC_2_adr;
  75   static juint _SC_3[];
  76   static address _SC_3_adr;
  77   static juint _SC_1[];
  78   static address _SC_1_adr;
  79   static juint _PI_INV_TABLE[];
  80   static address _PI_INV_TABLE_adr;
  81   static juint _PI_4[];
  82   static address _PI_4_adr;
  83   static juint _PI32INV[];
  84   static address _PI32INV_adr;
  85   static juint _SIGN_MASK[];
  86   static address _SIGN_MASK_adr;
  87   static juint _P_1[];
  88   static address _P_1_adr;
  89   static juint _P_3[];
  90   static address _P_3_adr;
  91   static juint _NEG_ZERO[];
  92   static address _NEG_ZERO_adr;
  93 
  94   //tables common for LIBM sincos and tancot
  95   static juint _L_2il0floatpacket_0[];
  96   static address _L_2il0floatpacket_0_adr;
  97   static juint _Pi4Inv[];
  98   static address _Pi4Inv_adr;
  99   static juint _Pi4x3[];
 100   static address _Pi4x3_adr;
 101   static juint _Pi4x4[];
 102   static address _Pi4x4_adr;
 103   static juint _ones[];
 104   static address _ones_adr;
 105 
 106  public:
 107   static address verify_mxcsr_entry()    { return _verify_mxcsr_entry; }
 108   static address key_shuffle_mask_addr() { return _key_shuffle_mask_addr; }
 109   static address counter_shuffle_mask_addr() { return _counter_shuffle_mask_addr; }
 110   static address crc_by128_masks_addr()  { return (address)_crc_by128_masks; }
 111   static address ghash_long_swap_mask_addr() { return _ghash_long_swap_mask_addr; }
 112   static address ghash_byte_swap_mask_addr() { return _ghash_byte_swap_mask_addr; }
 113   static address upper_word_mask_addr() { return _upper_word_mask_addr; }
 114   static address shuffle_byte_flip_mask_addr() { return _shuffle_byte_flip_mask_addr; }
 115   static address k256_addr()      { return _k256_adr; }
 116 #ifdef _LP64
 117   static address k256_W_addr()    { return _k256_W_adr; }
 118 #endif
 119   static address pshuffle_byte_flip_mask_addr() { return _pshuffle_byte_flip_mask_addr; }
 120   static void generate_CRC32C_table(bool is_pclmulqdq_supported);
 121   static address _ONEHALF_addr()      { return _ONEHALF_adr; }
 122   static address _P_2_addr()      { return _P_2_adr; }
 123   static address _SC_4_addr()      { return _SC_4_adr; }
 124   static address _Ctable_addr()      { return _Ctable_adr; }
 125   static address _SC_2_addr()      { return _SC_2_adr; }
 126   static address _SC_3_addr()      { return _SC_3_adr; }
 127   static address _SC_1_addr()      { return _SC_1_adr; }
 128   static address _PI_INV_TABLE_addr()      { return _PI_INV_TABLE_adr; }
 129   static address _PI_4_addr()      { return _PI_4_adr; }
 130   static address _PI32INV_addr()      { return _PI32INV_adr; }
 131   static address _SIGN_MASK_addr()      { return _SIGN_MASK_adr; }
 132   static address _P_1_addr()      { return _P_1_adr; }
 133   static address _P_3_addr()      { return _P_3_adr; }
 134   static address _NEG_ZERO_addr()      { return _NEG_ZERO_adr; }
 135   static address _L_2il0floatpacket_0_addr()      { return _L_2il0floatpacket_0_adr; }
 136   static address _Pi4Inv_addr()      { return _Pi4Inv_adr; }
 137   static address _Pi4x3_addr()      { return _Pi4x3_adr; }
 138   static address _Pi4x4_addr()      { return _Pi4x4_adr; }
 139   static address _ones_addr()      { return _ones_adr; }
 140 
 141 #endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP