Tue, 24 Dec 2013 11:48:39 -0800
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
never@1445 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. |
never@1445 | 3 | * Copyright 2007 Red Hat, Inc. |
never@1445 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
never@1445 | 5 | * |
never@1445 | 6 | * This code is free software; you can redistribute it and/or modify it |
never@1445 | 7 | * under the terms of the GNU General Public License version 2 only, as |
never@1445 | 8 | * published by the Free Software Foundation. |
never@1445 | 9 | * |
never@1445 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
never@1445 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
never@1445 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
never@1445 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
never@1445 | 14 | * accompanied this code). |
never@1445 | 15 | * |
never@1445 | 16 | * You should have received a copy of the GNU General Public License version |
never@1445 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
never@1445 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
never@1445 | 19 | * |
trims@1907 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 21 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 22 | * questions. |
never@1445 | 23 | * |
never@1445 | 24 | */ |
never@1445 | 25 | |
stefank@2314 | 26 | #ifndef CPU_ZERO_VM_REGISTER_ZERO_HPP |
stefank@2314 | 27 | #define CPU_ZERO_VM_REGISTER_ZERO_HPP |
stefank@2314 | 28 | |
stefank@2314 | 29 | #include "asm/register.hpp" |
stefank@2314 | 30 | #include "vm_version_zero.hpp" |
stefank@2314 | 31 | |
never@1445 | 32 | class VMRegImpl; |
never@1445 | 33 | typedef VMRegImpl* VMReg; |
never@1445 | 34 | |
never@1445 | 35 | // Use Register as shortcut |
never@1445 | 36 | class RegisterImpl; |
never@1445 | 37 | typedef RegisterImpl* Register; |
never@1445 | 38 | |
never@1445 | 39 | inline Register as_Register(int encoding) { |
never@1445 | 40 | return (Register)(intptr_t) encoding; |
never@1445 | 41 | } |
never@1445 | 42 | |
never@1445 | 43 | // The implementation of integer registers for the zero architecture |
never@1445 | 44 | class RegisterImpl : public AbstractRegisterImpl { |
never@1445 | 45 | public: |
never@1445 | 46 | enum { |
never@1445 | 47 | number_of_registers = 0 |
never@1445 | 48 | }; |
never@1445 | 49 | |
never@1445 | 50 | // construction |
never@1445 | 51 | inline friend Register as_Register(int encoding); |
never@1445 | 52 | VMReg as_VMReg(); |
never@1445 | 53 | |
never@1445 | 54 | // derived registers, offsets, and addresses |
never@1445 | 55 | Register successor() const { |
never@1445 | 56 | return as_Register(encoding() + 1); |
never@1445 | 57 | } |
never@1445 | 58 | |
never@1445 | 59 | // accessors |
never@1445 | 60 | int encoding() const { |
never@1445 | 61 | assert(is_valid(), "invalid register"); |
never@1445 | 62 | return (intptr_t)this; |
never@1445 | 63 | } |
never@1445 | 64 | bool is_valid() const { |
never@1445 | 65 | return 0 <= (intptr_t) this && (intptr_t)this < number_of_registers; |
never@1445 | 66 | } |
never@1445 | 67 | const char* name() const; |
never@1445 | 68 | }; |
never@1445 | 69 | |
never@1445 | 70 | // Use FloatRegister as shortcut |
never@1445 | 71 | class FloatRegisterImpl; |
never@1445 | 72 | typedef FloatRegisterImpl* FloatRegister; |
never@1445 | 73 | |
never@1445 | 74 | inline FloatRegister as_FloatRegister(int encoding) { |
never@1445 | 75 | return (FloatRegister)(intptr_t) encoding; |
never@1445 | 76 | } |
never@1445 | 77 | |
never@1445 | 78 | // The implementation of floating point registers for the zero architecture |
never@1445 | 79 | class FloatRegisterImpl : public AbstractRegisterImpl { |
never@1445 | 80 | public: |
never@1445 | 81 | enum { |
never@1445 | 82 | number_of_registers = 0 |
never@1445 | 83 | }; |
never@1445 | 84 | |
never@1445 | 85 | // construction |
never@1445 | 86 | inline friend FloatRegister as_FloatRegister(int encoding); |
never@1445 | 87 | VMReg as_VMReg(); |
never@1445 | 88 | |
never@1445 | 89 | // derived registers, offsets, and addresses |
never@1445 | 90 | FloatRegister successor() const { |
never@1445 | 91 | return as_FloatRegister(encoding() + 1); |
never@1445 | 92 | } |
never@1445 | 93 | |
never@1445 | 94 | // accessors |
never@1445 | 95 | int encoding() const { |
never@1445 | 96 | assert(is_valid(), "invalid register"); |
never@1445 | 97 | return (intptr_t)this; |
never@1445 | 98 | } |
never@1445 | 99 | bool is_valid() const { |
never@1445 | 100 | return 0 <= (intptr_t) this && (intptr_t)this < number_of_registers; |
never@1445 | 101 | } |
never@1445 | 102 | const char* name() const; |
never@1445 | 103 | }; |
never@1445 | 104 | |
never@1445 | 105 | class ConcreteRegisterImpl : public AbstractRegisterImpl { |
never@1445 | 106 | public: |
never@1445 | 107 | enum { |
never@1445 | 108 | number_of_registers = RegisterImpl::number_of_registers + |
never@1445 | 109 | FloatRegisterImpl::number_of_registers |
never@1445 | 110 | }; |
never@1445 | 111 | |
never@1445 | 112 | static const int max_gpr; |
never@1445 | 113 | static const int max_fpr; |
never@1445 | 114 | }; |
never@1445 | 115 | |
never@1445 | 116 | CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1)); |
twisti@4237 | 117 | #ifndef DONT_USE_REGISTER_DEFINES |
twisti@4237 | 118 | #define noreg ((Register)(noreg_RegisterEnumValue)) |
twisti@4237 | 119 | #endif |
stefank@2314 | 120 | |
stefank@2314 | 121 | #endif // CPU_ZERO_VM_REGISTER_ZERO_HPP |