hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/nodes/VMErrorNode.java
changeset 43972 1ade39b8381b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/nodes/VMErrorNode.java	Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2012, 2016, 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 org.graalvm.compiler.hotspot.nodes;
+
+import static org.graalvm.compiler.hotspot.HotSpotBackend.VM_ERROR;
+import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN;
+import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_UNKNOWN;
+
+import org.graalvm.compiler.bytecode.Bytecode;
+import org.graalvm.compiler.core.common.LIRKind;
+import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
+import org.graalvm.compiler.core.common.type.StampFactory;
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.FrameState;
+import org.graalvm.compiler.nodes.ValueNode;
+import org.graalvm.compiler.nodes.spi.LIRLowerable;
+import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
+import org.graalvm.compiler.replacements.Log;
+import org.graalvm.compiler.replacements.nodes.CStringConstant;
+
+import jdk.vm.ci.code.CodeUtil;
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+import jdk.vm.ci.meta.Value;
+
+/**
+ * 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.
+ */
+@NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_UNKNOWN)
+public final class VMErrorNode extends DeoptimizingStubCall implements LIRLowerable {
+
+    public static final NodeClass<VMErrorNode> TYPE = NodeClass.create(VMErrorNode.class);
+    protected final String format;
+    @Input ValueNode value;
+
+    public VMErrorNode(String format, ValueNode value) {
+        super(TYPE, StampFactory.forVoid());
+        this.format = format;
+        this.value = value;
+    }
+
+    @Override
+    public void generate(NodeLIRBuilderTool gen) {
+        String whereString;
+        if (stateBefore() != null) {
+            String nl = CodeUtil.NEW_LINE;
+            StringBuilder sb = new StringBuilder("in compiled code associated with frame state:");
+            FrameState fs = stateBefore();
+            while (fs != null) {
+                Bytecode.appendLocation(sb.append(nl).append("\t"), fs.getCode(), fs.bci);
+                fs = fs.outerFrameState();
+            }
+            whereString = sb.toString();
+        } else {
+            ResolvedJavaMethod method = graph().method();
+            whereString = "in compiled code for " + (method == null ? graph().toString() : method.format("%H.%n(%p)"));
+        }
+
+        LIRKind wordKind = gen.getLIRGeneratorTool().getLIRKind(StampFactory.pointer());
+        Value whereArg = gen.getLIRGeneratorTool().emitConstant(wordKind, new CStringConstant(whereString));
+        Value formatArg = gen.getLIRGeneratorTool().emitConstant(wordKind, new CStringConstant(format));
+
+        ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(VM_ERROR);
+        gen.getLIRGeneratorTool().emitForeignCall(linkage, null, whereArg, formatArg, gen.operand(value));
+    }
+
+    @NodeIntrinsic
+    public static native void vmError(@ConstantNodeParameter String format, long value);
+}