1/*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2016 SAP SE. All rights reserved.
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.
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24 */
25
26#ifndef CPU_S390_VM_GLOBALDEFINITIONS_S390_HPP
27#define CPU_S390_VM_GLOBALDEFINITIONS_S390_HPP
28
29#ifdef CC_INTERP
30#error "CC_INTERP is not supported on z/Architecture."
31#endif
32
33// Convenience macro that produces a string literal with the filename
34// and linenumber of the location where the macro was used.
35#ifndef FILE_AND_LINE
36#define FILE_AND_LINE __FILE__ ":" XSTR(__LINE__)
37#endif
38
39#define ShortenBranches true
40
41const int StackAlignmentInBytes = 16;
42
43#define SUPPORTS_NATIVE_CX8
44
45// Indicates whether the C calling conventions require that
46// 32-bit integer argument values are extended to 64 bits.
47// This is the case on z/Architecture.
48const bool CCallingConventionRequiresIntsAsLongs = true;
49
50// Contended Locking reorder and cache line bucket.
51// This setting should be kept compatible with vm_version_s390.cpp.
52// The expected size in bytes of a cache line, used to pad data structures.
53#define DEFAULT_CACHE_LINE_SIZE 256
54
55#define SUPPORT_RESERVED_STACK_AREA
56
57#endif // CPU_S390_VM_GLOBALDEFINITIONS_S390_HPP
58