author | dpochepk |
Mon, 25 Jun 2018 16:32:02 +0300 | |
changeset 50757 | 866c9aa29ee4 |
parent 50756 | 7ad092f40454 |
child 50758 | afca3c78ea0f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
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* Copyright (c) 2014, Red Hat Inc. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef CPU_AARCH64_VM_STUBROUTINES_AARCH64_HPP |
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#define CPU_AARCH64_VM_STUBROUTINES_AARCH64_HPP |
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// This file holds the platform specific parts of the StubRoutines |
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// definition. See stubRoutines.hpp for a description on how to |
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// extend it. |
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// n.b. if we are notifying entry/exit to the simulator then the call |
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// stub does a notify at normal return placing |
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// call_stub_return_address one instruction beyond the notify. the |
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// latter address is sued by the stack unwind code when doign an |
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// exception return. |
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static bool returns_to_call_stub(address return_pc) { |
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return return_pc == _call_stub_return_address + (NotifySimulator ? -4 : 0); |
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} |
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enum platform_dependent_constants { |
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code_size1 = 19000, // simply increase if too small (assembler will crash if too small) |
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code_size2 = 28000 // simply increase if too small (assembler will crash if too small) |
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}; |
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class aarch64 { |
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friend class StubGenerator; |
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private: |
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static address _get_previous_fp_entry; |
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static address _get_previous_sp_entry; |
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static address _f2i_fixup; |
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static address _f2l_fixup; |
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static address _d2i_fixup; |
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static address _d2l_fixup; |
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static address _float_sign_mask; |
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static address _float_sign_flip; |
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static address _double_sign_mask; |
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static address _double_sign_flip; |
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static address _zero_blocks; |
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static address _has_negatives; |
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static address _has_negatives_long; |
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static address _large_array_equals; |
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static address _compare_long_string_LL; |
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static address _compare_long_string_LU; |
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static address _compare_long_string_UL; |
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static address _compare_long_string_UU; |
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static address _string_indexof_linear_ll; |
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static address _string_indexof_linear_uu; |
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static address _string_indexof_linear_ul; |
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static bool _completed; |
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public: |
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static address get_previous_fp_entry() |
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{ |
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return _get_previous_fp_entry; |
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} |
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static address get_previous_sp_entry() |
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{ |
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return _get_previous_sp_entry; |
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} |
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static address f2i_fixup() |
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{ |
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return _f2i_fixup; |
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} |
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static address f2l_fixup() |
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{ |
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return _f2l_fixup; |
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} |
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static address d2i_fixup() |
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{ |
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return _d2i_fixup; |
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} |
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static address d2l_fixup() |
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{ |
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return _d2l_fixup; |
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} |
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static address float_sign_mask() |
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{ |
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return _float_sign_mask; |
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} |
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static address float_sign_flip() |
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{ |
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return _float_sign_flip; |
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} |
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static address double_sign_mask() |
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{ |
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return _double_sign_mask; |
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} |
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static address double_sign_flip() |
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{ |
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return _double_sign_flip; |
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} |
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static address zero_blocks() { |
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return _zero_blocks; |
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} |
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static address has_negatives() { |
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return _has_negatives; |
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} |
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static address has_negatives_long() { |
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return _has_negatives_long; |
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} |
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static address large_array_equals() { |
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return _large_array_equals; |
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} |
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static address compare_long_string_LL() { |
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return _compare_long_string_LL; |
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} |
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static address compare_long_string_LU() { |
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return _compare_long_string_LU; |
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} |
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static address compare_long_string_UL() { |
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return _compare_long_string_UL; |
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} |
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static address compare_long_string_UU() { |
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return _compare_long_string_UU; |
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} |
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static address string_indexof_linear_ul() { |
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return _string_indexof_linear_ul; |
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} |
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static address string_indexof_linear_ll() { |
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return _string_indexof_linear_ll; |
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} |
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static address string_indexof_linear_uu() { |
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return _string_indexof_linear_uu; |
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} |
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static bool complete() { |
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return _completed; |
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} |
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static void set_completed() { |
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_completed = true; |
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} |
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private: |
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static juint _crc_table[]; |
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// begin trigonometric tables block. See comments in .cpp file |
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static juint _npio2_hw[]; |
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static jdouble _two_over_pi[]; |
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static jdouble _pio2[]; |
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static jdouble _dsin_coef[]; |
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static jdouble _dcos_coef[]; |
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// end trigonometric tables block |
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}; |
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#endif // CPU_AARCH64_VM_STUBROUTINES_AARCH64_HPP |