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comparison src/cpu/zero/vm/stubRoutines_zero.hpp @ 1010:354d3184f6b2

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6890308: integrate zero assembler hotspot changes Reviewed-by: never Contributed-by: gbenson@redhat.com
author never
date Tue, 13 Oct 2009 12:04:21 -0700
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children 47742b654fcb
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1009:03b336640699 1010:354d3184f6b2
1 /*
2 * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
3 * Copyright 2007, 2008, 2009 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any 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 #ifdef IA32
45 class x86 {
46 friend class VMStructs;
47
48 private:
49 static address _call_stub_compiled_return;
50 };
51 #endif // IA32