238 lines
9.7 KiB
Java
238 lines
9.7 KiB
Java
/*
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* Copyright (c) 2020, 2023, 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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* @test
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* @modules java.base/jdk.internal.foreign
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* @run testng/othervm --enable-native-access=ALL-UNNAMED TestIllegalLink
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*/
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import java.lang.foreign.Arena;
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import java.lang.foreign.Linker;
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import java.lang.foreign.FunctionDescriptor;
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import java.lang.foreign.MemorySegment;
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import java.lang.foreign.MemoryLayout;
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import java.lang.foreign.ValueLayout;
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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.nio.ByteOrder;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import jdk.internal.foreign.CABI;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import static java.lang.foreign.ValueLayout.*;
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import static org.testng.Assert.assertTrue;
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import static org.testng.Assert.fail;
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public class TestIllegalLink extends NativeTestHelper {
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private static final boolean IS_SYSV = CABI.current() == CABI.SYS_V;
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private static final boolean IS_LE = ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN;
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private static final MemorySegment DUMMY_TARGET = MemorySegment.ofAddress(1);
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private static final MethodHandle DUMMY_TARGET_MH = MethodHandles.empty(MethodType.methodType(void.class));
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private static final Linker ABI = Linker.nativeLinker();
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@Test(dataProvider = "types")
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public void testIllegalLayouts(FunctionDescriptor desc, Linker.Option[] options, String expectedExceptionMessage) {
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try {
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ABI.downcallHandle(DUMMY_TARGET, desc, options);
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fail("Expected IllegalArgumentException was not thrown");
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} catch (IllegalArgumentException e) {
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assertTrue(e.getMessage().contains(expectedExceptionMessage),
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e.getMessage() + " does not contain " + expectedExceptionMessage);
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}
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}
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@Test(dataProvider = "downcallOnlyOptions",
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expectedExceptions = IllegalArgumentException.class,
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expectedExceptionsMessageRegExp = ".*Not supported for upcall.*")
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public void testIllegalUpcallOptions(Linker.Option downcallOnlyOption) {
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ABI.upcallStub(DUMMY_TARGET_MH, FunctionDescriptor.ofVoid(), Arena.ofAuto(), downcallOnlyOption);
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}
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@Test(dataProvider = "illegalCaptureState",
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expectedExceptions = IllegalArgumentException.class,
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expectedExceptionsMessageRegExp = ".*Unknown name.*")
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public void testIllegalCaptureState(String name) {
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Linker.Option.captureCallState(name);
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}
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// where
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@DataProvider
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public static Object[][] illegalCaptureState() {
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if (!IS_WINDOWS) {
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return new Object[][]{
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{ "GetLastError" },
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{ "WSAGetLastError" },
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};
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}
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return new Object[][]{};
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}
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@DataProvider
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public static Object[][] downcallOnlyOptions() {
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return new Object[][]{
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{ Linker.Option.firstVariadicArg(0) },
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{ Linker.Option.captureCallState("errno") },
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{ Linker.Option.critical(false) },
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};
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}
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@DataProvider
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public static Object[][] types() {
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Linker.Option[] NO_OPTIONS = new Linker.Option[0];
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List<Object[]> cases = new ArrayList<>(Arrays.asList(new Object[][]{
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{
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FunctionDescriptor.of(MemoryLayout.sequenceLayout(2, C_INT)),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: [2:i4]" : "Unsupported layout: [2:I4]"
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},
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{
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FunctionDescriptor.ofVoid(MemoryLayout.sequenceLayout(2, C_INT)),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: [2:i4]" : "Unsupported layout: [2:I4]"
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},
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{
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FunctionDescriptor.ofVoid(C_INT.withByteAlignment(2)),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: 2%i4" : "Unsupported layout: 2%I4"
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},
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{
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FunctionDescriptor.ofVoid(C_POINTER.withByteAlignment(2)),
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NO_OPTIONS,
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(IS_LE ? "Unsupported layout: 2%a" : "Unsupported layout: 2%A") + ADDRESS.byteSize()
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},
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{
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FunctionDescriptor.ofVoid(ValueLayout.JAVA_CHAR.withByteAlignment(4)),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: 4%c2" : "Unsupported layout: 4%C2"
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},
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{
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FunctionDescriptor.ofVoid(MemoryLayout.structLayout(
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C_CHAR.withName("x").withByteAlignment(1),
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C_SHORT.withName("y").withByteAlignment(1),
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C_INT.withName("z").withByteAlignment(1)
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).withByteAlignment(1)),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: 1%s2" : "Unsupported layout: 1%S2"
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},
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{
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FunctionDescriptor.ofVoid(MemoryLayout.structLayout(
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MemoryLayout.structLayout(
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C_CHAR.withName("x").withByteAlignment(1),
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C_SHORT.withName("y").withByteAlignment(1),
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C_INT.withName("z").withByteAlignment(1)
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))),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: 1%s2" : "Unsupported layout: 1%S2"
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},
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{
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FunctionDescriptor.ofVoid(MemoryLayout.structLayout(
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MemoryLayout.sequenceLayout(1,
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C_INT.withByteAlignment(1)
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))),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: 1%i4" : "Unsupported layout: 1%I4"
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},
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{
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FunctionDescriptor.ofVoid(MemoryLayout.structLayout(
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ValueLayout.JAVA_INT,
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MemoryLayout.paddingLayout(4), // no excess padding
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ValueLayout.JAVA_INT)),
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NO_OPTIONS,
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"unexpected offset"
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},
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{
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FunctionDescriptor.of(C_INT.withOrder(nonNativeOrder())),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: I4" : "Unsupported layout: i4"
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},
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{
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FunctionDescriptor.of(MemoryLayout.structLayout(C_INT.withOrder(nonNativeOrder()))),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: I4" : "Unsupported layout: i4"
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},
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{
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FunctionDescriptor.of(MemoryLayout.structLayout(MemoryLayout.sequenceLayout(1, C_INT.withOrder(nonNativeOrder())))),
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NO_OPTIONS,
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IS_LE ? "Unsupported layout: I4" : "Unsupported layout: i4"
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},
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{
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FunctionDescriptor.ofVoid(MemoryLayout.structLayout(
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ValueLayout.JAVA_INT,
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MemoryLayout.paddingLayout(4))), // too much trailing padding
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NO_OPTIONS,
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"has unexpected size"
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},
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{
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FunctionDescriptor.ofVoid(),
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new Linker.Option[]{Linker.Option.critical(false), Linker.Option.captureCallState("errno")},
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"Incompatible linker options: captureCallState, critical"
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},
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}));
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for (ValueLayout illegalLayout : List.of(C_CHAR, ValueLayout.JAVA_CHAR, C_BOOL, C_SHORT, C_FLOAT)) {
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cases.add(new Object[]{
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FunctionDescriptor.ofVoid(C_INT, illegalLayout),
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new Linker.Option[]{Linker.Option.firstVariadicArg(1)},
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"Invalid variadic argument layout"
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});
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}
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if (IS_SYSV) {
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cases.add(new Object[] {
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FunctionDescriptor.ofVoid(MemoryLayout.structLayout(
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MemoryLayout.sequenceLayout(Long.MAX_VALUE / C_INT.byteSize(),
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C_INT
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))),
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NO_OPTIONS,
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"GroupLayout is too large"
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});
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}
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if (ValueLayout.JAVA_LONG.byteAlignment() == 8) {
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cases.add(new Object[]{
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FunctionDescriptor.ofVoid(MemoryLayout.structLayout(
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ValueLayout.JAVA_LONG,
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ValueLayout.JAVA_INT)), // missing trailing padding
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NO_OPTIONS,
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"has unexpected size"
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});
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}
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return cases.toArray(Object[][]::new);
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}
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private static ByteOrder nonNativeOrder() {
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return ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN
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? ByteOrder.BIG_ENDIAN
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: ByteOrder.LITTLE_ENDIAN;
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}
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}
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