Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotPushInterpreterFrameOp.java @ 19148:276bc2752feb
Register plugin for NewFrame intrinsic.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 05 Feb 2015 03:42:23 +0100 |
parents | be44c1ca8f00 |
children | 8fc336a04d77 |
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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 static com.oracle.graal.amd64.AMD64.*; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.amd64.*; import com.oracle.graal.lir.asm.*; /** * Pushes an interpreter frame to the stack. */ @Opcode("PUSH_INTERPRETER_FRAME") final class AMD64HotSpotPushInterpreterFrameOp extends AMD64LIRInstruction { @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) { 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); } }