| /* |
| * Copyright (c) 2015, 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. |
| */ |
| |
| /** |
| * @test |
| * @requires vm.jvmci & (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9") |
| * @library / |
| * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot |
| * jdk.internal.vm.ci/jdk.vm.ci.meta |
| * jdk.internal.vm.ci/jdk.vm.ci.code |
| * jdk.internal.vm.ci/jdk.vm.ci.code.site |
| * jdk.internal.vm.ci/jdk.vm.ci.runtime |
| * jdk.internal.vm.ci/jdk.vm.ci.amd64 |
| * jdk.internal.vm.ci/jdk.vm.ci.sparc |
| * @compile CodeInstallationTest.java DebugInfoTest.java TestAssembler.java TestHotSpotVMConfig.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java |
| * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Djvmci.Compiler=null jdk.vm.ci.code.test.DataPatchTest |
| */ |
| |
| package jdk.vm.ci.code.test; |
| |
| import jdk.vm.ci.code.Register; |
| import jdk.vm.ci.code.site.DataSectionReference; |
| import jdk.vm.ci.hotspot.HotSpotConstant; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| import org.junit.Assume; |
| import org.junit.Test; |
| |
| /** |
| * Test code installation with data patches. |
| */ |
| public class DataPatchTest extends CodeInstallationTest { |
| |
| public static Class<?> getConstClass() { |
| return DataPatchTest.class; |
| } |
| |
| private void test(TestCompiler compiler) { |
| test(compiler, getMethod("getConstClass")); |
| } |
| |
| @Test |
| public void testInlineObject() { |
| test(asm -> { |
| ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
| HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type); |
| Register ret = asm.emitLoadPointer(c); |
| asm.emitPointerRet(ret); |
| }); |
| } |
| |
| @Test |
| public void testInlineNarrowObject() { |
| Assume.assumeTrue(config.useCompressedOops); |
| test(asm -> { |
| ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
| HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type); |
| Register compressed = asm.emitLoadPointer((HotSpotConstant) c.compress()); |
| Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift); |
| asm.emitPointerRet(ret); |
| }); |
| } |
| |
| @Test |
| public void testDataSectionReference() { |
| test(asm -> { |
| ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
| HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type); |
| DataSectionReference ref = asm.emitDataItem(c); |
| Register ret = asm.emitLoadPointer(ref); |
| asm.emitPointerRet(ret); |
| }); |
| } |
| |
| @Test |
| public void testNarrowDataSectionReference() { |
| Assume.assumeTrue(config.useCompressedOops); |
| test(asm -> { |
| ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
| HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type); |
| HotSpotConstant cCompressed = (HotSpotConstant) c.compress(); |
| DataSectionReference ref = asm.emitDataItem(cCompressed); |
| Register compressed = asm.emitLoadNarrowPointer(ref); |
| Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift); |
| asm.emitPointerRet(ret); |
| }); |
| } |
| |
| @Test |
| public void testInlineMetadata() { |
| test(asm -> { |
| ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
| Register klass = asm.emitLoadPointer((HotSpotConstant) constantReflection.asObjectHub(type)); |
| Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset); |
| asm.emitPointerRet(ret); |
| }); |
| } |
| |
| @Test |
| public void testInlineNarrowMetadata() { |
| Assume.assumeTrue(config.useCompressedClassPointers); |
| test(asm -> { |
| ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
| HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type); |
| Register narrowKlass = asm.emitLoadPointer((HotSpotConstant) hub.compress()); |
| Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift); |
| Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset); |
| asm.emitPointerRet(ret); |
| }); |
| } |
| |
| @Test |
| public void testMetadataInDataSection() { |
| test(asm -> { |
| ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
| HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type); |
| DataSectionReference ref = asm.emitDataItem(hub); |
| Register klass = asm.emitLoadPointer(ref); |
| Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset); |
| asm.emitPointerRet(ret); |
| }); |
| } |
| |
| @Test |
| public void testNarrowMetadataInDataSection() { |
| Assume.assumeTrue(config.useCompressedClassPointers); |
| test(asm -> { |
| ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
| HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type); |
| HotSpotConstant narrowHub = (HotSpotConstant) hub.compress(); |
| DataSectionReference ref = asm.emitDataItem(narrowHub); |
| Register narrowKlass = asm.emitLoadNarrowPointer(ref); |
| Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift); |
| Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset); |
| asm.emitPointerRet(ret); |
| }); |
| } |
| } |