1 /* 2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. 3 * Copyright 2012, 2014 SAP AG. 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_VM_INTERPRETER_PPC_HPP 27 #define CPU_PPC_VM_INTERPRETER_PPC_HPP 28 29 public: 30 31 // Stack index relative to tos (which points at value). 32 static int expr_index_at(int i) { 33 return stackElementWords * i; 34 } 35 36 // Already negated by c++ interpreter. local_index_at(int i)37 static int local_index_at(int i) { 38 assert(i <= 0, "local direction already negated"); 39 return stackElementWords * i; 40 } 41 42 #ifndef CC_INTERP 43 // The offset in bytes to access a expression stack slot 44 // relative to the esp pointer. expr_offset_in_bytes(int slot)45 static int expr_offset_in_bytes(int slot) { 46 return stackElementSize * slot + wordSize; 47 } 48 #endif 49 50 #endif // CPU_PPC_VM_INTERPRETER_PPC_PP 51