Mercurial > hg > truffle
view src/cpu/sparc/vm/stubRoutines_sparc.hpp @ 12758:ca33948fb804
nmethod.cpp: s/unknwon/unknown/
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Tue, 12 Nov 2013 11:01:42 +0100 |
parents | 46c544b8fbfc |
children | de6a9e811145 |
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/* * Copyright (c) 1997, 2011, 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. * */ #ifndef CPU_SPARC_VM_STUBROUTINES_SPARC_HPP #define CPU_SPARC_VM_STUBROUTINES_SPARC_HPP // This file holds the platform specific parts of the StubRoutines // definition. See stubRoutines.hpp for a description on how to // extend it. // So unfortunately c2 will call with a pc from a frame object // (already adjusted) and a raw pc (unadjusted), so we need to check both. // It didn't use to be like this before adapter removal. static bool returns_to_call_stub(address return_pc) { return ((return_pc + frame::pc_return_offset) == _call_stub_return_address) || (return_pc == _call_stub_return_address ); } enum /* platform_dependent_constants */ { // %%%%%%%% May be able to shrink this a lot code_size1 = 20000, // simply increase if too small (assembler will crash if too small) code_size2 = 20000 // simply increase if too small (assembler will crash if too small) }; class Sparc { friend class StubGenerator; private: static address _test_stop_entry; static address _stop_subroutine_entry; static address _flush_callers_register_windows_entry; static address _partial_subtype_check; public: // test assembler stop routine by setting registers static void (*test_stop_entry()) () { return CAST_TO_FN_PTR(void (*)(void), _test_stop_entry); } // a subroutine for debugging assembler code static address stop_subroutine_entry_address() { return (address)&_stop_subroutine_entry; } // flushes (all but current) register window static intptr_t* (*flush_callers_register_windows_func())() { return CAST_TO_FN_PTR(intptr_t* (*)(void), _flush_callers_register_windows_entry); } static address partial_subtype_check() { return _partial_subtype_check; } }; #endif // CPU_SPARC_VM_STUBROUTINES_SPARC_HPP