Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotPushInterpreterFrameOp.java @ 21673:5024c80224c7
moved com.oracle.graal.[amd64|sparc] to com.oracle.jvmci.[amd64|sparc] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 02 Jun 2015 22:11:52 +0200 |
parents | 48c1ebd24120 |
children | 6df25b1418be |
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/* * Copyright (c) 2013, 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 com.oracle.jvmci.code.Register; import com.oracle.jvmci.meta.AllocatableValue; import static com.oracle.jvmci.amd64.AMD64.*; import static com.oracle.jvmci.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.amd64.*; import com.oracle.graal.lir.asm.*; import com.oracle.jvmci.hotspot.*; /** * Pushes an interpreter frame to the stack. */ @Opcode("PUSH_INTERPRETER_FRAME") final class AMD64HotSpotPushInterpreterFrameOp extends AMD64LIRInstruction { public static final LIRInstructionClass<AMD64HotSpotPushInterpreterFrameOp> TYPE = LIRInstructionClass.create(AMD64HotSpotPushInterpreterFrameOp.class); @Alive(REG) AllocatableValue frameSize; @Alive(REG) AllocatableValue framePc; @Alive(REG) AllocatableValue senderSp; @Alive(REG) AllocatableValue initialInfo; private final HotSpotVMConfig config; AMD64HotSpotPushInterpreterFrameOp(AllocatableValue frameSize, AllocatableValue framePc, AllocatableValue senderSp, AllocatableValue initialInfo, HotSpotVMConfig config) { super(TYPE); this.frameSize = frameSize; this.framePc = framePc; this.senderSp = senderSp; this.initialInfo = initialInfo; this.config = config; } @Override public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { final Register frameSizeRegister = asRegister(frameSize); final Register framePcRegister = asRegister(framePc); final Register senderSpRegister = asRegister(senderSp); final Register initialInfoRegister = asRegister(initialInfo); final int wordSize = 8; // We'll push PC and BP by hand. masm.subq(frameSizeRegister, 2 * wordSize); // Push return address. masm.push(framePcRegister); // Prolog masm.push(initialInfoRegister); masm.movq(initialInfoRegister, rsp); masm.subq(rsp, frameSizeRegister); // This value is corrected by layout_activation_impl. masm.movptr(new AMD64Address(initialInfoRegister, config.frameInterpreterFrameLastSpOffset * wordSize), 0); // Make the frame walkable. masm.movq(new AMD64Address(initialInfoRegister, config.frameInterpreterFrameSenderSpOffset * wordSize), senderSpRegister); } }