1 /* 2 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2012, 2018 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_PPC_RELOCINFO_PPC_HPP 27 #define CPU_PPC_RELOCINFO_PPC_HPP 28 29 // machine-dependent parts of class relocInfo 30 private: 31 enum { 32 // Since Power instructions are whole words, 33 // the two low-order offset bits can always be discarded. 34 offset_unit = 4, 35 36 // There is no need for format bits; the instructions are 37 // sufficiently self-identifying. 38 #ifndef _LP64 39 format_width = 0 40 #else 41 // Except narrow oops in 64-bits VM. 42 format_width = 1 43 #endif 44 }; 45 46 public: 47 48 // This platform has no oops in the code that are not also 49 // listed in the oop section. 50 static bool mustIterateImmediateOopsInCode() { return false; } 51 52 #endif // CPU_PPC_RELOCINFO_PPC_HPP 53