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23217
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1 /*
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2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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.
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22 */
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23 package com.oracle.graal.lir.aarch64;
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24
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25 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.REG;
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26 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.STACK;
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27
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28 import com.oracle.graal.asm.aarch64.AArch64MacroAssembler;
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29 import com.oracle.graal.asm.aarch64.AArch64MacroAssembler.AArch64ExceptionCode;
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30 import com.oracle.graal.lir.LIRInstructionClass;
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31 import com.oracle.graal.lir.Opcode;
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32 import com.oracle.graal.lir.asm.CompilationResultBuilder;
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33
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34 import jdk.vm.ci.meta.Value;
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35
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36 @Opcode("BREAKPOINT")
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37 public class AArch64BreakpointOp extends AArch64LIRInstruction {
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38 public static final LIRInstructionClass<AArch64BreakpointOp> TYPE = LIRInstructionClass.create(AArch64BreakpointOp.class);
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39
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40 /**
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41 * A set of values loaded into the Java ABI parameter locations (for inspection by a debugger).
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42 */
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43 @Use({REG, STACK}) private Value[] parameters;
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44
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45 public AArch64BreakpointOp(Value[] parameters) {
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46 super(TYPE);
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47 this.parameters = parameters;
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48 }
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49
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50 @Override
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51 public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
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52 masm.brk(AArch64ExceptionCode.BREAKPOINT);
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53 }
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54 }
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