Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotCRuntimeCallPrologueOp.java @ 22918:f84799cc5e03
added sources for JVMCI library
author | Doug Simon <doug.simon@oracle.com> |
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date | Sun, 01 Nov 2015 17:03:05 +0100 |
parents | 615f3bbbb174 |
children | 2160e7da7fb0 |
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/* * Copyright (c) 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.hotspot.amd64; import static jdk.vm.ci.amd64.AMD64.rsp; import jdk.vm.ci.code.Register; import com.oracle.graal.asm.amd64.AMD64Address; import com.oracle.graal.asm.amd64.AMD64MacroAssembler; import com.oracle.graal.lir.LIRInstructionClass; import com.oracle.graal.lir.Opcode; import com.oracle.graal.lir.amd64.AMD64LIRInstruction; import com.oracle.graal.lir.asm.CompilationResultBuilder; @Opcode final class AMD64HotSpotCRuntimeCallPrologueOp extends AMD64LIRInstruction { public static final LIRInstructionClass<AMD64HotSpotCRuntimeCallPrologueOp> TYPE = LIRInstructionClass.create(AMD64HotSpotCRuntimeCallPrologueOp.class); private final int threadLastJavaSpOffset; private final Register thread; public AMD64HotSpotCRuntimeCallPrologueOp(int threadLastJavaSpOffset, Register thread) { super(TYPE); this.threadLastJavaSpOffset = threadLastJavaSpOffset; this.thread = thread; } @Override public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { // save last Java frame masm.movq(new AMD64Address(thread, threadLastJavaSpOffset), rsp); } }