Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64IndirectCallOp.java @ 6580:d56d600819fe
moved AMD64 into its own (new) project: com.oracle.graal.amd64
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 25 Oct 2012 12:52:54 +0200 |
parents | 4afe23aa0a00 |
children | 41938af2b3d8 |
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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.api.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.amd64.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.hotspot.bridge.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.LIRInstruction.Opcode; import com.oracle.graal.lir.amd64.*; import com.oracle.graal.lir.amd64.AMD64Call.IndirectCallOp; import com.oracle.graal.lir.asm.*; /** * A register indirect call that complies with the extra conventions for such calls in HotSpot. * In particular, the methodOop of the callee must be in RBX for the case where a vtable entry's * _from_compiled_entry is the address of an C2I adapter. Such adapters expect the target * method to be in RBX. */ @Opcode("CALL_INDIRECT") final class AMD64IndirectCallOp extends IndirectCallOp { /** * Vtable stubs expect the methodOop in RBX. */ public static final Register METHOD_OOP = AMD64.rbx; @Use({REG}) protected Value methodOop; AMD64IndirectCallOp(Object targetMethod, Value result, Value[] parameters, Value[] temps, Value methodOop, Value targetAddress, LIRFrameState state) { super(targetMethod, result, parameters, temps, targetAddress, state); this.methodOop = methodOop; } @Override public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) { tasm.recordMark(Marks.MARK_INLINE_INVOKEVIRTUAL); Register callReg = asRegister(targetAddress); assert callReg != METHOD_OOP; AMD64Call.indirectCall(tasm, masm, callReg, targetMethod, state); } @Override protected void verify() { super.verify(); assert asRegister(methodOop) == METHOD_OOP; } }