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annotate src/cpu/x86/vm/register_x86.hpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
| children | f95d63e2154a |
| rev | line source |
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| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 class VMRegImpl; | |
| 26 typedef VMRegImpl* VMReg; | |
| 27 | |
| 28 // Use Register as shortcut | |
| 29 class RegisterImpl; | |
| 30 typedef RegisterImpl* Register; | |
| 31 | |
| 32 | |
| 33 // The implementation of integer registers for the ia32 architecture | |
| 34 inline Register as_Register(int encoding) { | |
| 35 return (Register)(intptr_t) encoding; | |
| 36 } | |
| 37 | |
| 38 class RegisterImpl: public AbstractRegisterImpl { | |
| 39 public: | |
| 40 enum { | |
| 41 #ifndef AMD64 | |
| 42 number_of_registers = 8, | |
| 43 number_of_byte_registers = 4 | |
| 44 #else | |
| 45 number_of_registers = 16, | |
| 46 number_of_byte_registers = 16 | |
| 47 #endif // AMD64 | |
| 48 }; | |
| 49 | |
| 50 // derived registers, offsets, and addresses | |
| 51 Register successor() const { return as_Register(encoding() + 1); } | |
| 52 | |
| 53 // construction | |
| 54 inline friend Register as_Register(int encoding); | |
| 55 | |
| 56 VMReg as_VMReg(); | |
| 57 | |
| 58 // accessors | |
| 59 int encoding() const { assert(is_valid(), "invalid register"); return (intptr_t)this; } | |
| 60 bool is_valid() const { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; } | |
| 61 bool has_byte_register() const { return 0 <= (intptr_t)this && (intptr_t)this < number_of_byte_registers; } | |
| 62 const char* name() const; | |
| 63 }; | |
| 64 | |
| 65 // The integer registers of the ia32/amd64 architecture | |
| 66 | |
| 67 CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1)); | |
| 68 | |
| 69 | |
| 70 CONSTANT_REGISTER_DECLARATION(Register, rax, (0)); | |
| 71 CONSTANT_REGISTER_DECLARATION(Register, rcx, (1)); | |
| 72 CONSTANT_REGISTER_DECLARATION(Register, rdx, (2)); | |
| 73 CONSTANT_REGISTER_DECLARATION(Register, rbx, (3)); | |
| 74 CONSTANT_REGISTER_DECLARATION(Register, rsp, (4)); | |
| 75 CONSTANT_REGISTER_DECLARATION(Register, rbp, (5)); | |
| 76 CONSTANT_REGISTER_DECLARATION(Register, rsi, (6)); | |
| 77 CONSTANT_REGISTER_DECLARATION(Register, rdi, (7)); | |
| 78 #ifdef AMD64 | |
| 79 CONSTANT_REGISTER_DECLARATION(Register, r8, (8)); | |
| 80 CONSTANT_REGISTER_DECLARATION(Register, r9, (9)); | |
| 81 CONSTANT_REGISTER_DECLARATION(Register, r10, (10)); | |
| 82 CONSTANT_REGISTER_DECLARATION(Register, r11, (11)); | |
| 83 CONSTANT_REGISTER_DECLARATION(Register, r12, (12)); | |
| 84 CONSTANT_REGISTER_DECLARATION(Register, r13, (13)); | |
| 85 CONSTANT_REGISTER_DECLARATION(Register, r14, (14)); | |
| 86 CONSTANT_REGISTER_DECLARATION(Register, r15, (15)); | |
| 87 #endif // AMD64 | |
| 88 | |
| 89 // Use FloatRegister as shortcut | |
| 90 class FloatRegisterImpl; | |
| 91 typedef FloatRegisterImpl* FloatRegister; | |
| 92 | |
| 93 inline FloatRegister as_FloatRegister(int encoding) { | |
| 94 return (FloatRegister)(intptr_t) encoding; | |
| 95 } | |
| 96 | |
| 97 // The implementation of floating point registers for the ia32 architecture | |
| 98 class FloatRegisterImpl: public AbstractRegisterImpl { | |
| 99 public: | |
| 100 enum { | |
| 101 number_of_registers = 8 | |
| 102 }; | |
| 103 | |
| 104 // construction | |
| 105 inline friend FloatRegister as_FloatRegister(int encoding); | |
| 106 | |
| 107 VMReg as_VMReg(); | |
| 108 | |
| 109 // derived registers, offsets, and addresses | |
| 110 FloatRegister successor() const { return as_FloatRegister(encoding() + 1); } | |
| 111 | |
| 112 // accessors | |
| 113 int encoding() const { assert(is_valid(), "invalid register"); return (intptr_t)this; } | |
| 114 bool is_valid() const { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; } | |
| 115 const char* name() const; | |
| 116 | |
| 117 }; | |
| 118 | |
| 119 // Use XMMRegister as shortcut | |
| 120 class XMMRegisterImpl; | |
| 121 typedef XMMRegisterImpl* XMMRegister; | |
| 122 | |
| 123 // Use MMXRegister as shortcut | |
| 124 class MMXRegisterImpl; | |
| 125 typedef MMXRegisterImpl* MMXRegister; | |
| 126 | |
| 127 inline XMMRegister as_XMMRegister(int encoding) { | |
| 128 return (XMMRegister)(intptr_t)encoding; | |
| 129 } | |
| 130 | |
| 131 inline MMXRegister as_MMXRegister(int encoding) { | |
| 132 return (MMXRegister)(intptr_t)encoding; | |
| 133 } | |
| 134 | |
| 135 // The implementation of XMM registers for the IA32 architecture | |
| 136 class XMMRegisterImpl: public AbstractRegisterImpl { | |
| 137 public: | |
| 138 enum { | |
| 139 #ifndef AMD64 | |
| 140 number_of_registers = 8 | |
| 141 #else | |
| 142 number_of_registers = 16 | |
| 143 #endif // AMD64 | |
| 144 }; | |
| 145 | |
| 146 // construction | |
| 147 friend XMMRegister as_XMMRegister(int encoding); | |
| 148 | |
| 149 VMReg as_VMReg(); | |
| 150 | |
| 151 // derived registers, offsets, and addresses | |
| 152 XMMRegister successor() const { return as_XMMRegister(encoding() + 1); } | |
| 153 | |
| 154 // accessors | |
| 155 int encoding() const { assert(is_valid(), "invalid register"); return (intptr_t)this; } | |
| 156 bool is_valid() const { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; } | |
| 157 const char* name() const; | |
| 158 }; | |
| 159 | |
| 160 | |
| 161 // The XMM registers, for P3 and up chips | |
| 162 CONSTANT_REGISTER_DECLARATION(XMMRegister, xnoreg , (-1)); | |
| 163 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm0 , ( 0)); | |
| 164 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm1 , ( 1)); | |
| 165 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm2 , ( 2)); | |
| 166 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm3 , ( 3)); | |
| 167 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm4 , ( 4)); | |
| 168 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm5 , ( 5)); | |
| 169 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm6 , ( 6)); | |
| 170 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm7 , ( 7)); | |
| 171 #ifdef AMD64 | |
| 172 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm8, (8)); | |
| 173 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm9, (9)); | |
| 174 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm10, (10)); | |
| 175 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm11, (11)); | |
| 176 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm12, (12)); | |
| 177 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm13, (13)); | |
| 178 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm14, (14)); | |
| 179 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm15, (15)); | |
| 180 #endif // AMD64 | |
| 181 | |
| 182 // Only used by the 32bit stubGenerator. These can't be described by vmreg and hence | |
| 183 // can't be described in oopMaps and therefore can't be used by the compilers (at least | |
| 184 // were deopt might wan't to see them). | |
| 185 | |
| 186 // The MMX registers, for P3 and up chips | |
| 187 CONSTANT_REGISTER_DECLARATION(MMXRegister, mnoreg , (-1)); | |
| 188 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx0 , ( 0)); | |
| 189 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx1 , ( 1)); | |
| 190 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx2 , ( 2)); | |
| 191 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx3 , ( 3)); | |
| 192 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx4 , ( 4)); | |
| 193 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx5 , ( 5)); | |
| 194 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx6 , ( 6)); | |
| 195 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx7 , ( 7)); | |
| 196 | |
| 197 | |
| 198 // Need to know the total number of registers of all sorts for SharedInfo. | |
| 199 // Define a class that exports it. | |
| 200 class ConcreteRegisterImpl : public AbstractRegisterImpl { | |
| 201 public: | |
| 202 enum { | |
| 203 // A big enough number for C2: all the registers plus flags | |
| 204 // This number must be large enough to cover REG_COUNT (defined by c2) registers. | |
| 205 // There is no requirement that any ordering here matches any ordering c2 gives | |
| 206 // it's optoregs. | |
| 207 | |
| 208 number_of_registers = RegisterImpl::number_of_registers + | |
| 209 #ifdef AMD64 | |
| 210 RegisterImpl::number_of_registers + // "H" half of a 64bit register | |
| 211 #endif // AMD64 | |
| 212 2 * FloatRegisterImpl::number_of_registers + | |
| 213 2 * XMMRegisterImpl::number_of_registers + | |
| 214 1 // eflags | |
| 215 }; | |
| 216 | |
| 217 static const int max_gpr; | |
| 218 static const int max_fpr; | |
| 219 static const int max_xmm; | |
| 220 | |
| 221 }; |