Mercurial > hg > graal-compiler
diff graal/GraalCompiler/src/com/sun/c1x/lir/LIRCall.java @ 2509:16b9a8b5ad39
Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 27 Apr 2011 11:50:44 +0200 |
parents | graal/Compiler/src/com/sun/c1x/lir/LIRCall.java@9ec15d6914ca |
children | a2f62de90c76 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/GraalCompiler/src/com/sun/c1x/lir/LIRCall.java Wed Apr 27 11:50:44 2011 +0200 @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2009, 2011, 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.sun.c1x.lir; + +import java.util.*; + +import com.sun.cri.ci.*; +import com.sun.cri.ci.CiTargetMethod.Mark; +import com.sun.cri.ri.*; +import com.sun.cri.xir.CiXirAssembler.XirMark; + +/** + * This class represents a call instruction; either to a {@linkplain CiRuntimeCall runtime method}, + * a {@linkplain RiMethod Java method}, a native function or a global stub. + * + * @author Marcelo Cintra + */ +public class LIRCall extends LIRInstruction { + + /** + * The target of the call. This will be a {@link CiRuntimeCall}, {@link RiMethod} or {@link CiValue} + * object denoting a call to the runtime, a Java method or a native function respectively. + */ + public final Object target; + /** + * The call site needs to be marked if this is non-null. + */ + public final Map<XirMark, Mark> marks; + + private final int targetAddressIndex; + + public final List<CiValue> pointerSlots; + + + private static CiValue[] toArray(List<CiValue> arguments) { + return arguments.toArray(new CiValue[arguments.size()]); + } + + public LIRCall(LIROpcode opcode, + Object target, + CiValue result, + List<CiValue> arguments, + LIRDebugInfo info, + Map<XirMark, Mark> marks, + boolean calleeSaved, + List<CiValue> pointerSlots) { + super(opcode, result, info, !calleeSaved, 0, 0, toArray(arguments)); + this.marks = marks; + this.pointerSlots = pointerSlots; + if (opcode == LIROpcode.DirectCall) { + this.targetAddressIndex = -1; + } else { + // The last argument is the operand holding the address for the indirect call + this.targetAddressIndex = arguments.size() - 1; + } + this.target = target; + } + + /** + * Emits target assembly code for this instruction. + * + * @param masm the target assembler + */ + @Override + public void emitCode(LIRAssembler masm) { + masm.emitCall(this); + } + + /** + * Returns the receiver for this method call. + * @return the receiver + */ + public CiValue receiver() { + return operand(0); + } + + public RiMethod method() { + return (RiMethod) target; + } + + public CiRuntimeCall runtimeCall() { + return (CiRuntimeCall) target; + } + + public CiValue targetAddress() { + if (targetAddressIndex >= 0) { + return operand(targetAddressIndex); + } + return null; + } + + @Override + public String operationString(OperandFormatter operandFmt) { + StringBuilder buf = new StringBuilder(); + if (result().isLegal()) { + buf.append(operandFmt.format(result())).append(" = "); + } + String targetAddress = null; + if (code == LIROpcode.RuntimeCall) { + buf.append(target); + } else if (code != LIROpcode.DirectCall && code != LIROpcode.ConstDirectCall) { + if (targetAddressIndex >= 0) { + targetAddress = operandFmt.format(targetAddress()); + buf.append(targetAddress); + } + } + buf.append('('); + boolean first = true; + for (LIROperand operandSlot : operands) { + String operand = operandFmt.format(operandSlot.value(this)); + if (!operand.isEmpty() && !operand.equals(targetAddress)) { + if (!first) { + buf.append(", "); + } else { + first = false; + } + buf.append(operand); + } + } + buf.append(')'); + return buf.toString(); + } +}