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. 23 * 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 41 const 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. 48 const 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 #endif // CPU_S390_VM_GLOBALDEFINITIONS_S390_HPP