1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.amd64; 24 25 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC; 26 import static jdk.vm.ci.code.ValueUtil.asRegister; 27 import jdk.vm.ci.meta.AllocatableValue; 28 29 import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler; 30 import org.graalvm.compiler.debug.GraalError; 31 import org.graalvm.compiler.lir.LIRInstructionClass; 32 import org.graalvm.compiler.lir.amd64.AMD64LIRInstruction; 33 import org.graalvm.compiler.lir.asm.CompilationResultBuilder; 34 35 public final class AMD64HotSpotLoadConfigValueOp extends AMD64LIRInstruction { 36 37 public static final LIRInstructionClass<AMD64HotSpotLoadConfigValueOp> TYPE = LIRInstructionClass.create(AMD64HotSpotLoadConfigValueOp.class); 38 39 @Def({OperandFlag.REG}) protected AllocatableValue result; 40 private final int markId; 41 42 public AMD64HotSpotLoadConfigValueOp(int markId, AllocatableValue result) { 43 super(TYPE); 44 this.result = result; 45 this.markId = markId; 46 } 47 48 @Override 49 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { 50 if (GeneratePIC.getValue()) { 51 masm.movq(asRegister(result), masm.getPlaceholder(-1)); 52 } else { 53 throw GraalError.unimplemented(); 54 } 55 crb.recordMark(markId); 56 } 57 58 } | 1 /* 2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.amd64; 24 25 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC; 26 import static jdk.vm.ci.code.ValueUtil.asRegister; 27 28 import jdk.vm.ci.amd64.AMD64Kind; 29 import jdk.vm.ci.code.Register; 30 import jdk.vm.ci.meta.AllocatableValue; 31 32 import org.graalvm.compiler.asm.amd64.AMD64Address; 33 import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler; 34 import org.graalvm.compiler.debug.GraalError; 35 import org.graalvm.compiler.lir.LIRInstructionClass; 36 import org.graalvm.compiler.lir.amd64.AMD64LIRInstruction; 37 import org.graalvm.compiler.lir.asm.CompilationResultBuilder; 38 39 public final class AMD64HotSpotLoadConfigValueOp extends AMD64LIRInstruction { 40 41 public static final LIRInstructionClass<AMD64HotSpotLoadConfigValueOp> TYPE = LIRInstructionClass.create(AMD64HotSpotLoadConfigValueOp.class); 42 43 @Def({OperandFlag.REG}) protected AllocatableValue result; 44 private final int markId; 45 46 public AMD64HotSpotLoadConfigValueOp(int markId, AllocatableValue result) { 47 super(TYPE); 48 this.result = result; 49 this.markId = markId; 50 } 51 52 @Override 53 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { 54 if (GeneratePIC.getValue()) { 55 AMD64Kind kind = (AMD64Kind) result.getPlatformKind(); 56 Register reg = asRegister(result); 57 AMD64Address placeholder = masm.getPlaceholder(-1); 58 switch (kind) { 59 case BYTE: 60 masm.movsbl(reg, placeholder); 61 break; 62 case WORD: 63 masm.movswl(reg, placeholder); 64 break; 65 case DWORD: 66 masm.movl(reg, placeholder); 67 break; 68 case QWORD: 69 masm.movq(reg, placeholder); 70 break; 71 default: 72 throw GraalError.unimplemented(); 73 } 74 } else { 75 throw GraalError.unimplemented(); 76 } 77 crb.recordMark(markId); 78 } 79 80 } |