| /* |
| * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.asm.amd64; |
| |
| import sun.jvm.hotspot.utilities.*; |
| |
| public class AMD64Registers { |
| public static final int NUM_REGISTERS = 16; |
| |
| public static final AMD64Register RAX; |
| public static final AMD64Register RCX; |
| public static final AMD64Register RDX; |
| public static final AMD64Register RBX; |
| public static final AMD64Register RSP; |
| public static final AMD64Register RBP; |
| public static final AMD64Register RSI; |
| public static final AMD64Register RDI; |
| public static final AMD64Register R8; |
| public static final AMD64Register R9; |
| public static final AMD64Register R10; |
| public static final AMD64Register R11; |
| public static final AMD64Register R12; |
| public static final AMD64Register R13; |
| public static final AMD64Register R14; |
| public static final AMD64Register R15; |
| |
| private static final AMD64Register[] registers; |
| |
| static { |
| RAX = new AMD64Register(0, "rax"); |
| RCX = new AMD64Register(1, "rcx"); |
| RDX = new AMD64Register(2, "rdx"); |
| RBX = new AMD64Register(3, "rbx"); |
| RSP = new AMD64Register(4, "rsp"); |
| RBP = new AMD64Register(5, "rbp"); |
| RSI = new AMD64Register(6, "rsi"); |
| RDI = new AMD64Register(7, "rdi"); |
| R8 = new AMD64Register(8, "r8" ); |
| R9 = new AMD64Register(9, "r9" ); |
| R10 = new AMD64Register(10,"r10"); |
| R11 = new AMD64Register(11,"r11"); |
| R12 = new AMD64Register(12,"r12"); |
| R13 = new AMD64Register(13,"r13"); |
| R14 = new AMD64Register(14,"r14"); |
| R15 = new AMD64Register(15,"r15"); |
| registers = new AMD64Register[] { |
| RAX, RCX, RDX, RBX, RSP, RBP, RSI, RDI, |
| R8, R9, R10, R11, R12, R13, R14, R15 |
| }; |
| } |
| |
| public static int getNumberOfRegisters() { |
| return NUM_REGISTERS; |
| } |
| |
| public static AMD64Register getRegister(int regNum) { |
| if (Assert.ASSERTS_ENABLED) { |
| Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid integer register number!"); |
| } |
| return registers[regNum]; |
| } |
| |
| //Return the register name |
| public static String getRegisterName(int regNum) { |
| if (Assert.ASSERTS_ENABLED) { |
| Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid integer register number!"); |
| } |
| return registers[regNum].toString(); |
| } |
| } |