1 /* 2 * Copyright (c) 1997, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_RUNTIME_GLOBALS_SHARED_HPP 26 #define SHARE_RUNTIME_GLOBALS_SHARED_HPP 27 28 #include "gc/shared/jvmFlagConstraintsGC.hpp" // FIXME -- to be moved to individual *globals.hpp file 29 #include "runtime/flags/jvmFlagConstraintsCompiler.hpp" // FIXME -- to be moved to individual *globals.hpp file 30 #include "runtime/flags/jvmFlagConstraintsRuntime.hpp" // FIXME -- to be moved to individual *globals.hpp file 31 #include "utilities/align.hpp" 32 #include "utilities/globalDefinitions.hpp" 33 #include "utilities/macros.hpp" 34 35 #include <float.h> // for DBL_MAX 36 37 // The larger HeapWordSize for 64bit requires larger heaps 38 // for the same application running in 64bit. See bug 4967770. 39 // The minimum alignment to a heap word size is done. Other 40 // parts of the memory system may require additional alignment 41 // and are responsible for those alignments. 42 #ifdef _LP64 43 #define ScaleForWordSize(x) align_down_((x) * 13 / 10, HeapWordSize) 44 #else 45 #define ScaleForWordSize(x) (x) 46 #endif 47 48 // use this for flags that are true per default in the tiered build 49 // but false in non-tiered builds, and vice versa 50 #ifdef TIERED 51 #define trueInTiered true 52 #define falseInTiered false 53 #else 54 #define trueInTiered false 55 #define falseInTiered true 56 #endif 57 58 // use this for flags that are true by default in the debug version but 59 // false in the optimized version, and vice versa 60 #ifdef ASSERT 61 #define trueInDebug true 62 #define falseInDebug false 63 #else 64 #define trueInDebug false 65 #define falseInDebug true 66 #endif 67 68 // use this for flags that are true per default in the product build 69 // but false in development builds, and vice versa 70 #ifdef PRODUCT 71 #define trueInProduct true 72 #define falseInProduct false 73 #else 74 #define trueInProduct false 75 #define falseInProduct true 76 #endif 77 78 #endif // SHARE_RUNTIME_GLOBALS_SHARED_HPP