Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/VMErrorNode.java @ 9735:2e4f035186cf
rename: Descriptor -> ForeignCallDescriptor
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 16 May 2013 16:01:40 +0200 |
parents | 0c17815817a4 |
children | 951d5ebf3c49 |
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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.nodes; import com.oracle.graal.api.code.*; import com.oracle.graal.api.code.RuntimeCallTarget.ForeignCallDescriptor; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.gen.*; import com.oracle.graal.compiler.target.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.type.*; import com.oracle.graal.replacements.*; /** * Causes the VM to exit with a description of the current Java location and an optional * {@linkplain Log#printf(String, long) formatted} error message specified. */ public final class VMErrorNode extends DeoptimizingStubCall implements LIRGenLowerable { private final String format; @Input private ValueNode value; public static final ForeignCallDescriptor VM_ERROR = new ForeignCallDescriptor("vm_error", false, void.class, Object.class, Object.class, long.class); private VMErrorNode(String format, ValueNode value) { super(StampFactory.forVoid()); this.format = format; this.value = value; } @Override public void generate(LIRGenerator gen) { String whereString = "in compiled code for " + graph(); // As these strings will end up embedded as oops in the code, they // must be interned or else they will cause the nmethod to be unloaded // (nmethods are a) weak GC roots and b) unloaded if any of their // embedded oops become unreachable). Constant whereArg = Constant.forObject(whereString.intern()); Constant formatArg = Constant.forObject(format.intern()); RuntimeCallTarget stub = gen.getRuntime().lookupRuntimeCall(VMErrorNode.VM_ERROR); gen.emitCall(stub, stub.getCallingConvention(), null, whereArg, formatArg, gen.operand(value)); } @NodeIntrinsic public static native void vmError(@ConstantNodeParameter String format, long value); }