1 /* 2 * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. 3 * Copyright 2007, 2008, 2009, 2010 Red Hat, Inc. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 // This file holds the platform specific parts of the StubRoutines 27 // definition. See stubRoutines.hpp for a description on how to 28 // extend it. 29 30 public: 31 static address call_stub_return_pc() { 32 return (address) -1; 33 } 34 35 static bool returns_to_call_stub(address return_pc) { 36 return return_pc == call_stub_return_pc(); 37 } 38 39 enum platform_dependent_constants { 40 code_size1 = 0, // The assembler will fail with a guarantee 41 code_size2 = 0 // if these are too small. Simply increase 42 }; // them if that happens. 43 44 enum method_handles_platform_dependent_constants { 45 method_handles_adapters_code_size = 0 46 }; 47 48 #ifdef IA32 49 class x86 { 50 friend class VMStructs; 51 52 private: 53 static address _call_stub_compiled_return; 54 }; 55 #endif // IA32