Mercurial > hg > graal-compiler
view src/cpu/x86/vm/stubRoutines_x86_32.hpp @ 1945:3f3653ab7af8 jdk7-b121
Merge
author | ohair |
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date | Fri, 03 Dec 2010 19:44:29 -0800 |
parents | d257356e35f0 |
children | f95d63e2154a |
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/* * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ // This file holds the platform specific parts of the StubRoutines // definition. See stubRoutines.hpp for a description on how to // extend it. enum platform_dependent_constants { code_size1 = 9000, // simply increase if too small (assembler will crash if too small) code_size2 = 22000 // simply increase if too small (assembler will crash if too small) }; // MethodHandles adapters enum method_handles_platform_dependent_constants { method_handles_adapters_code_size = 10000 }; class x86 { friend class StubGenerator; friend class VMStructs; private: // If we call compiled code directly from the call stub we will // need to adjust the return back to the call stub to a specialized // piece of code that can handle compiled results and cleaning the fpu // stack. The variable holds that location. static address _call_stub_compiled_return; static address _verify_mxcsr_entry; static address _verify_fpu_cntrl_wrd_entry; static jint _mxcsr_std; public: static address verify_mxcsr_entry() { return _verify_mxcsr_entry; } static address verify_fpu_cntrl_wrd_entry() { return _verify_fpu_cntrl_wrd_entry; } static address get_call_stub_compiled_return() { return _call_stub_compiled_return; } static void set_call_stub_compiled_return(address ret) { _call_stub_compiled_return = ret; } }; static bool returns_to_call_stub(address return_pc) { return (return_pc == _call_stub_return_address) || return_pc == x86::get_call_stub_compiled_return(); }