Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotPatchReturnAddressOp.java @ 19304:6135f3a3fa45
Truffle-DSL: fix function call example can throw a guard assertion.
author | Christian Humer <christian.humer@gmail.com> |
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date | Wed, 11 Feb 2015 19:29:35 +0100 |
parents | 1a66453f73db |
children | 8fc336a04d77 |
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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 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.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.amd64.*; import com.oracle.graal.lir.asm.*; /** * Patch the return address of the current frame. */ @Opcode("PATCH_RETURN") final class AMD64HotSpotPatchReturnAddressOp extends AMD64LIRInstruction { @Use(REG) AllocatableValue address; AMD64HotSpotPatchReturnAddressOp(AllocatableValue address) { this.address = address; } @Override public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { int frameSize = crb.frameMap.frameSize(); masm.movq(new AMD64Address(rsp, frameSize), asRegister(address)); } }