hotspot/src/cpu/x86/vm/stubRoutines_x86_32.hpp
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6939861: JVM should handle more conversion operations Reviewed-by: twisti, jrose
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/*
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 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. 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_X86_VM_STUBROUTINES_X86_32_HPP
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#define CPU_X86_VM_STUBROUTINES_X86_32_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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enum platform_dependent_constants {
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  code_size1 =  9000,           // simply increase if too small (assembler will crash if too small)
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  code_size2 = 22000            // simply increase if too small (assembler will crash if too small)
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};
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// MethodHandles adapters
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enum method_handles_platform_dependent_constants {
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  method_handles_adapters_code_size = 30000 DEBUG_ONLY(+ 10000)
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};
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class x86 {
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 friend class StubGenerator;
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 friend class VMStructs;
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 private:
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  static address _verify_mxcsr_entry;
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  static address _verify_fpu_cntrl_wrd_entry;
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 public:
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  static address verify_mxcsr_entry()                        { return _verify_mxcsr_entry; }
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  static address verify_fpu_cntrl_wrd_entry()                { return _verify_fpu_cntrl_wrd_entry; }
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};
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  static bool    returns_to_call_stub(address return_pc)     { return return_pc == _call_stub_return_address; }
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#endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP