1 /* 2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2016, 2017 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_REGISTER_S390_HPP 27 #define CPU_S390_VM_REGISTER_S390_HPP 28 29 #include "asm/register.hpp" 30 #include "vm_version_s390.hpp" 31 32 class Address; 33 class VMRegImpl; 34 35 typedef VMRegImpl* VMReg; 36 37 38 // z/Architecture registers, see "LINUX for zSeries ELF ABI Supplement", IBM March 2001 39 // 40 // r0-r1 General purpose (volatile) 41 // r2 Parameter and return value (volatile) 42 // r3 TOC pointer (volatile) 43 // r3-r5 Parameters (volatile) 44 // r6 Parameter (nonvolatile) 45 // r7-r11 Locals (nonvolatile) 46 // r12 Local, often used as GOT pointer (nonvolatile) 47 // r13 Local, often used as toc (nonvolatile) 48 // r14 return address (volatile) 49 // r15 stack pointer (nonvolatile) 50 // | 1 /* 2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2016, 2019 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_REGISTER_S390_HPP 27 #define CPU_S390_VM_REGISTER_S390_HPP 28 29 #include "asm/register.hpp" 30 #include "runtime/vm_version.hpp" 31 32 class Address; 33 class VMRegImpl; 34 35 typedef VMRegImpl* VMReg; 36 37 38 // z/Architecture registers, see "LINUX for zSeries ELF ABI Supplement", IBM March 2001 39 // 40 // r0-r1 General purpose (volatile) 41 // r2 Parameter and return value (volatile) 42 // r3 TOC pointer (volatile) 43 // r3-r5 Parameters (volatile) 44 // r6 Parameter (nonvolatile) 45 // r7-r11 Locals (nonvolatile) 46 // r12 Local, often used as GOT pointer (nonvolatile) 47 // r13 Local, often used as toc (nonvolatile) 48 // r14 return address (volatile) 49 // r15 stack pointer (nonvolatile) 50 // |