1 /*
2 * Copyright (c) 2016, 2019, 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_REGISTER_S390_HPP
27 #define CPU_S390_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 //
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1 /*
2 * Copyright (c) 2016, 2019, 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_REGISTER_S390_HPP
27 #define CPU_S390_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 //
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