Mercurial > hg > graal-compiler
view graal/com.oracle.graal.truffle.hotspot/src/com/oracle/graal/truffle/hotspot/nfi/HotSpotNativeFunctionHandle.java @ 20872:b1700db197c7
Move com.oracle.nfi implementation to graal.truffle.hotspot since it implements an interface that does not live in the graal class-loader
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Thu, 09 Apr 2015 17:40:55 +0200 |
parents | graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nfi/HotSpotNativeFunctionHandle.java@dd8449afc086 |
children | 93c50cefb9e8 |
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/* * Copyright (c) 2014, 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.truffle.hotspot.nfi; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.debug.*; import com.oracle.graal.debug.Debug.Scope; import com.oracle.nfi.api.*; public class HotSpotNativeFunctionHandle implements NativeFunctionHandle { private final InstalledCode code; private final String name; private final Class<?>[] argumentTypes; public HotSpotNativeFunctionHandle(InstalledCode code, String name, Class<?>... argumentTypes) { this.argumentTypes = argumentTypes; this.name = name; this.code = code; } private void traceCall(Object... args) { try (Scope s = Debug.scope("GNFI")) { if (Debug.isLogEnabled()) { Debug.log("[GNFI] %s%s", name, Arrays.toString(args)); } } } private void traceResult(Object result) { try (Scope s = Debug.scope("GNFI")) { if (Debug.isLogEnabled()) { Debug.log("[GNFI] %s --> %s", name, result); } } } @Override public Object call(Object... args) { assert checkArgs(args); try { traceCall(args); Object res = code.executeVarargs(args, null, null); traceResult(res); return res; } catch (InvalidInstalledCodeException e) { throw GraalInternalError.shouldNotReachHere("Execution of GNFI Callstub failed: " + name); } } private boolean checkArgs(Object... args) { assert args.length == argumentTypes.length : this + " expected " + argumentTypes.length + " args, got " + args.length; for (int i = 0; i < argumentTypes.length; i++) { Object arg = args[i]; assert arg != null; Class<?> expectedType = argumentTypes[i]; if (expectedType.isPrimitive()) { Kind kind = Kind.fromJavaClass(expectedType); expectedType = kind.toBoxedJavaClass(); } assert expectedType == arg.getClass() : this + " expected arg " + i + " to be " + expectedType.getName() + ", not " + arg.getClass().getName(); } return true; } @Override public String toString() { return name + Arrays.toString(argumentTypes); } }