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annotate src/cpu/zero/vm/register_zero.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | a3e2f723f2a5 |
| rev | line source |
|---|---|
| 1010 | 1 /* |
| 1972 | 2 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. |
| 1010 | 3 * Copyright 2007 Red Hat, Inc. |
| 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 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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c18cbe5936b8
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21 * or visit www.oracle.com if you need additional information or have any |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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22 * questions. |
| 1010 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #ifndef CPU_ZERO_VM_REGISTER_ZERO_HPP |
| 27 #define CPU_ZERO_VM_REGISTER_ZERO_HPP | |
| 28 | |
| 29 #include "asm/register.hpp" | |
| 30 #include "vm_version_zero.hpp" | |
| 31 | |
| 1010 | 32 class VMRegImpl; |
| 33 typedef VMRegImpl* VMReg; | |
| 34 | |
| 35 // Use Register as shortcut | |
| 36 class RegisterImpl; | |
| 37 typedef RegisterImpl* Register; | |
| 38 | |
| 39 inline Register as_Register(int encoding) { | |
| 40 return (Register)(intptr_t) encoding; | |
| 41 } | |
| 42 | |
| 43 // The implementation of integer registers for the zero architecture | |
| 44 class RegisterImpl : public AbstractRegisterImpl { | |
| 45 public: | |
| 46 enum { | |
| 47 number_of_registers = 0 | |
| 48 }; | |
| 49 | |
| 50 // construction | |
| 51 inline friend Register as_Register(int encoding); | |
| 52 VMReg as_VMReg(); | |
| 53 | |
| 54 // derived registers, offsets, and addresses | |
| 55 Register successor() const { | |
| 56 return as_Register(encoding() + 1); | |
| 57 } | |
| 58 | |
| 59 // accessors | |
| 60 int encoding() const { | |
| 61 assert(is_valid(), "invalid register"); | |
| 62 return (intptr_t)this; | |
| 63 } | |
| 64 bool is_valid() const { | |
| 65 return 0 <= (intptr_t) this && (intptr_t)this < number_of_registers; | |
| 66 } | |
| 67 const char* name() const; | |
| 68 }; | |
| 69 | |
| 70 // Use FloatRegister as shortcut | |
| 71 class FloatRegisterImpl; | |
| 72 typedef FloatRegisterImpl* FloatRegister; | |
| 73 | |
| 74 inline FloatRegister as_FloatRegister(int encoding) { | |
| 75 return (FloatRegister)(intptr_t) encoding; | |
| 76 } | |
| 77 | |
| 78 // The implementation of floating point registers for the zero architecture | |
| 79 class FloatRegisterImpl : public AbstractRegisterImpl { | |
| 80 public: | |
| 81 enum { | |
| 82 number_of_registers = 0 | |
| 83 }; | |
| 84 | |
| 85 // construction | |
| 86 inline friend FloatRegister as_FloatRegister(int encoding); | |
| 87 VMReg as_VMReg(); | |
| 88 | |
| 89 // derived registers, offsets, and addresses | |
| 90 FloatRegister successor() const { | |
| 91 return as_FloatRegister(encoding() + 1); | |
| 92 } | |
| 93 | |
| 94 // accessors | |
| 95 int encoding() const { | |
| 96 assert(is_valid(), "invalid register"); | |
| 97 return (intptr_t)this; | |
| 98 } | |
| 99 bool is_valid() const { | |
| 100 return 0 <= (intptr_t) this && (intptr_t)this < number_of_registers; | |
| 101 } | |
| 102 const char* name() const; | |
| 103 }; | |
| 104 | |
| 105 class ConcreteRegisterImpl : public AbstractRegisterImpl { | |
| 106 public: | |
| 107 enum { | |
| 108 number_of_registers = RegisterImpl::number_of_registers + | |
| 109 FloatRegisterImpl::number_of_registers | |
| 110 }; | |
| 111 | |
| 112 static const int max_gpr; | |
| 113 static const int max_fpr; | |
| 114 }; | |
| 115 | |
| 116 CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1)); | |
| 1972 | 117 |
| 118 #endif // CPU_ZERO_VM_REGISTER_ZERO_HPP |