212 lines
9.0 KiB
Java
212 lines
9.0 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test
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* @requires ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64"
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* @modules jdk.incubator.foreign/jdk.internal.foreign
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* @build NativeTestHelper CallGeneratorHelper TestUpcall
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*
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* @run testng/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies
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* --enable-native-access=ALL-UNNAMED -Dgenerator.sample.factor=17
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* TestUpcall
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*/
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import jdk.incubator.foreign.CLinker;
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import jdk.incubator.foreign.FunctionDescriptor;
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import jdk.incubator.foreign.SymbolLookup;
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import jdk.incubator.foreign.MemoryAddress;
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import jdk.incubator.foreign.MemoryLayout;
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import jdk.incubator.foreign.MemorySegment;
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import jdk.incubator.foreign.ResourceScope;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.atomic.AtomicReference;
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import java.util.function.Consumer;
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import java.util.stream.Collectors;
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import static java.lang.invoke.MethodHandles.insertArguments;
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import static jdk.incubator.foreign.CLinker.C_POINTER;
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import static org.testng.Assert.assertEquals;
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public class TestUpcall extends CallGeneratorHelper {
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static {
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System.loadLibrary("TestUpcall");
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}
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static CLinker abi = CLinker.getInstance();
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static final SymbolLookup LOOKUP = SymbolLookup.loaderLookup();
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static MethodHandle DUMMY;
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static MethodHandle PASS_AND_SAVE;
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static {
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try {
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DUMMY = MethodHandles.lookup().findStatic(TestUpcall.class, "dummy", MethodType.methodType(void.class));
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PASS_AND_SAVE = MethodHandles.lookup().findStatic(TestUpcall.class, "passAndSave",
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MethodType.methodType(Object.class, Object[].class, AtomicReference.class));
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} catch (Throwable ex) {
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throw new IllegalStateException(ex);
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}
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}
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static MemoryAddress dummyStub;
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@BeforeClass
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void setup() {
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dummyStub = abi.upcallStub(DUMMY, FunctionDescriptor.ofVoid(), ResourceScope.newImplicitScope());
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}
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@Test(dataProvider="functions", dataProviderClass=CallGeneratorHelper.class)
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public void testUpcalls(int count, String fName, Ret ret, List<ParamType> paramTypes, List<StructFieldType> fields) throws Throwable {
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List<Consumer<Object>> returnChecks = new ArrayList<>();
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List<Consumer<Object[]>> argChecks = new ArrayList<>();
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MemoryAddress addr = LOOKUP.lookup(fName).get();
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MethodType mtype = methodType(ret, paramTypes, fields);
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try (NativeScope scope = new NativeScope()) {
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MethodHandle mh = abi.downcallHandle(addr, scope, mtype, function(ret, paramTypes, fields));
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Object[] args = makeArgs(scope.scope(), ret, paramTypes, fields, returnChecks, argChecks);
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Object[] callArgs = args;
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Object res = mh.invokeWithArguments(callArgs);
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argChecks.forEach(c -> c.accept(args));
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if (ret == Ret.NON_VOID) {
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returnChecks.forEach(c -> c.accept(res));
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}
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}
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}
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@Test(dataProvider="functions", dataProviderClass=CallGeneratorHelper.class)
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public void testUpcallsNoScope(int count, String fName, Ret ret, List<ParamType> paramTypes, List<StructFieldType> fields) throws Throwable {
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List<Consumer<Object>> returnChecks = new ArrayList<>();
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List<Consumer<Object[]>> argChecks = new ArrayList<>();
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MemoryAddress addr = LOOKUP.lookup(fName).get();
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MethodType mtype = methodType(ret, paramTypes, fields);
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MethodHandle mh = abi.downcallHandle(addr, IMPLICIT_ALLOCATOR, mtype, function(ret, paramTypes, fields));
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Object[] args = makeArgs(ResourceScope.newImplicitScope(), ret, paramTypes, fields, returnChecks, argChecks);
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Object[] callArgs = args;
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Object res = mh.invokeWithArguments(callArgs);
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argChecks.forEach(c -> c.accept(args));
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if (ret == Ret.NON_VOID) {
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returnChecks.forEach(c -> c.accept(res));
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}
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}
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static MethodType methodType(Ret ret, List<ParamType> params, List<StructFieldType> fields) {
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MethodType mt = ret == Ret.VOID ?
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MethodType.methodType(void.class) : MethodType.methodType(paramCarrier(params.get(0).layout(fields)));
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for (ParamType p : params) {
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mt = mt.appendParameterTypes(paramCarrier(p.layout(fields)));
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}
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mt = mt.appendParameterTypes(MemoryAddress.class); //the callback
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return mt;
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}
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static FunctionDescriptor function(Ret ret, List<ParamType> params, List<StructFieldType> fields) {
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List<MemoryLayout> paramLayouts = params.stream().map(p -> p.layout(fields)).collect(Collectors.toList());
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paramLayouts.add(C_POINTER); // the callback
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MemoryLayout[] layouts = paramLayouts.toArray(new MemoryLayout[0]);
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return ret == Ret.VOID ?
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FunctionDescriptor.ofVoid(layouts) :
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FunctionDescriptor.of(layouts[0], layouts);
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}
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static Object[] makeArgs(ResourceScope scope, Ret ret, List<ParamType> params, List<StructFieldType> fields, List<Consumer<Object>> checks, List<Consumer<Object[]>> argChecks) throws ReflectiveOperationException {
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Object[] args = new Object[params.size() + 1];
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for (int i = 0 ; i < params.size() ; i++) {
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args[i] = makeArg(params.get(i).layout(fields), checks, i == 0);
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}
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args[params.size()] = makeCallback(scope, ret, params, fields, checks, argChecks);
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return args;
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}
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@SuppressWarnings("unchecked")
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static MemoryAddress makeCallback(ResourceScope scope, Ret ret, List<ParamType> params, List<StructFieldType> fields, List<Consumer<Object>> checks, List<Consumer<Object[]>> argChecks) {
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if (params.isEmpty()) {
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return dummyStub.address();
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}
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AtomicReference<Object[]> box = new AtomicReference<>();
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MethodHandle mh = insertArguments(PASS_AND_SAVE, 1, box);
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mh = mh.asCollector(Object[].class, params.size());
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for (int i = 0; i < params.size(); i++) {
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ParamType pt = params.get(i);
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MemoryLayout layout = pt.layout(fields);
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Class<?> carrier = paramCarrier(layout);
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mh = mh.asType(mh.type().changeParameterType(i, carrier));
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final int finalI = i;
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if (carrier == MemorySegment.class) {
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argChecks.add(o -> assertStructEquals((MemorySegment) box.get()[finalI], (MemorySegment) o[finalI], layout));
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} else {
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argChecks.add(o -> assertEquals(box.get()[finalI], o[finalI]));
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}
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}
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ParamType firstParam = params.get(0);
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MemoryLayout firstlayout = firstParam.layout(fields);
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Class<?> firstCarrier = paramCarrier(firstlayout);
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if (firstCarrier == MemorySegment.class) {
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checks.add(o -> assertStructEquals((MemorySegment) box.get()[0], (MemorySegment) o, firstlayout));
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} else {
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checks.add(o -> assertEquals(o, box.get()[0]));
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}
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mh = mh.asType(mh.type().changeReturnType(ret == Ret.VOID ? void.class : firstCarrier));
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MemoryLayout[] paramLayouts = params.stream().map(p -> p.layout(fields)).toArray(MemoryLayout[]::new);
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FunctionDescriptor func = ret != Ret.VOID
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? FunctionDescriptor.of(firstlayout, paramLayouts)
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: FunctionDescriptor.ofVoid(paramLayouts);
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return abi.upcallStub(mh, func, scope);
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}
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static Object passAndSave(Object[] o, AtomicReference<Object[]> ref) {
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for (int i = 0; i < o.length; i++) {
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if (o[i] instanceof MemorySegment) {
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MemorySegment ms = (MemorySegment) o[i];
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MemorySegment copy = MemorySegment.allocateNative(ms.byteSize(), ResourceScope.newImplicitScope());
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copy.copyFrom(ms);
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o[i] = copy;
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}
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}
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ref.set(o);
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return o[0];
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}
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static void dummy() {
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//do nothing
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}
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}
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