1 /* 2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2014, Red Hat Inc. All rights reserved. 4 * Copyright (c) 2015, Linaro Ltd. All rights reserved. 5 * Copyright (c) 2015-2018, Azul Systems, Inc. All rights reserved. 6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 7 * 8 * This code is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License version 2 only, as 10 * published by the Free Software Foundation. 11 * 12 * This code is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * version 2 for more details (a copy is included in the LICENSE file that 16 * accompanied this code). 17 * 18 * You should have received a copy of the GNU General Public License version 19 * 2 along with this work; if not, write to the Free Software Foundation, 20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 21 * 22 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 23 * or visit www.oracle.com if you need additional information or have any 24 * questions. 25 * 26 */ 27 28 #ifndef CPU_AARCH32_VM_STUBROUTINES_AARCH32_HPP 29 #define CPU_AARCH32_VM_STUBROUTINES_AARCH32_HPP 30 31 // This file holds the platform specific parts of the StubRoutines 32 // definition. See stubRoutines.hpp for a description on how to 33 // extend it. 34 35 // n.b. if we are notifying entry/exit to the simulator then the call 36 // stub does a notify at normal return placing 37 // call_stub_return_address one instruction beyond the notify. the 38 // latter address is sued by the stack unwind code when doign an 39 // exception return. 40 static bool returns_to_call_stub(address return_pc) { 41 return return_pc == _call_stub_return_address; 42 } 43 44 enum platform_dependent_constants { 45 code_size1 = 19000, // simply increase if too small (assembler will crash if too small) 46 code_size2 = 22000 // simply increase if too small (assembler will crash if too small) 47 }; 48 49 class aarch32 { 50 friend class StubGenerator; 51 52 private: 53 #ifdef COMPILER2 54 static address _idiv_entry; 55 static address _irem_entry; 56 static address _partial_subtype_check; 57 static address _string_compress_neon; 58 static address _string_inflate_neon; 59 #endif 60 61 public: 62 63 #ifdef COMPILER2 64 static address idiv_entry() { 65 return _idiv_entry; 66 } 67 68 static address irem_entry() { 69 return _irem_entry; 70 } 71 72 static address partial_subtype_check() { 73 return _partial_subtype_check; 74 } 75 76 static address string_compress_neon() { 77 return _string_compress_neon; 78 } 79 80 static address string_inflate_neon() { 81 return _string_inflate_neon; 82 } 83 #endif 84 85 private: 86 static juint _crc_table[]; 87 static juint _crc32c_table[]; 88 89 private: 90 static juint _aes_te_table[]; 91 static juint _aes_td_table[]; 92 93 private: 94 static juint _sha1_table[]; 95 static juint _sha256_table[]; 96 static julong _sha512_table[]; 97 }; 98 99 100 static address _cipherBlockChaining_encryptAESCrypt_special; 101 static address _cipherBlockChaining_decryptAESCrypt_special; 102 103 static address _aes_table_te_addr; 104 static address _aes_table_td_addr; 105 106 static address _sha1_table_addr; 107 static address _sha256_table_addr; 108 static address _sha512_table_addr; 109 110 public: 111 static address cipherBlockChaining_encryptAESCrypt_special() { return _cipherBlockChaining_encryptAESCrypt_special; } 112 static address cipherBlockChaining_decryptAESCrypt_special() { return _cipherBlockChaining_decryptAESCrypt_special; } 113 static address aes_table_te_addr() { return _aes_table_te_addr; } 114 static address aes_table_td_addr() { return _aes_table_td_addr; } 115 116 static address sha1_table_addr() { return _sha1_table_addr; } 117 static address sha256_table_addr() { return _sha256_table_addr; } 118 static address sha512_table_addr() { return _sha512_table_addr; } 119 120 #endif // CPU_AARCH32_VM_STUBROUTINES_AARCH32_HPP