--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.common/src/org/graalvm/compiler/core/common/spi/ForeignCallsProvider.java	2017-02-15 16:57:08.105769491 -0800
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2013, 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.core.common.spi;
+
+import org.graalvm.compiler.core.common.LIRKind;
+import org.graalvm.compiler.core.common.LocationIdentity;
+
+import jdk.vm.ci.code.ValueKindFactory;
+
+/**
+ * Details about a set of supported {@link ForeignCallDescriptor foreign calls}.
+ */
+public interface ForeignCallsProvider extends ValueKindFactory<LIRKind> {
+
+    /**
+     * Determines if a given foreign call is side-effect free. Deoptimization cannot return
+     * execution to a point before a foreign call that has a side effect.
+     */
+    boolean isReexecutable(ForeignCallDescriptor descriptor);
+
+    /**
+     * Gets the set of memory locations killed by a given foreign call. Returning the special value
+     * {@link LocationIdentity#any()} denotes that the call kills all memory locations. Returning
+     * any empty array denotes that the call does not kill any memory locations.
+     */
+    LocationIdentity[] getKilledLocations(ForeignCallDescriptor descriptor);
+
+    /**
+     * Determines if deoptimization can occur during a given foreign call.
+     */
+    boolean canDeoptimize(ForeignCallDescriptor descriptor);
+
+    /**
+     * Identifies foreign calls which are guaranteed to include a safepoint check.
+     */
+    boolean isGuaranteedSafepoint(ForeignCallDescriptor descriptor);
+
+    /**
+     * Gets the linkage for a foreign call.
+     */
+    ForeignCallLinkage lookupForeignCall(ForeignCallDescriptor descriptor);
+}