author | rschatz |
Tue, 15 Dec 2015 16:55:24 +0100 | |
changeset 35137 | c8f8f6de68a7 |
child 35582 | c32a0cc19877 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 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.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" |
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* @compile CodeInstallationTest.java TestAssembler.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java |
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* @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI compiler.jvmci.code.DataPatchTest |
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*/ |
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package compiler.jvmci.code; |
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import jdk.vm.ci.code.CompilationResult.DataSectionReference; |
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import jdk.vm.ci.code.DataSection.Data; |
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import jdk.vm.ci.code.Register; |
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import jdk.vm.ci.hotspot.HotSpotConstant; |
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import jdk.vm.ci.hotspot.HotSpotVMConfig; |
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import jdk.vm.ci.meta.ResolvedJavaType; |
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import org.junit.Assume; |
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import org.junit.Test; |
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/** |
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* Test code installation with data patches. |
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*/ |
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public class DataPatchTest extends CodeInstallationTest { |
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public static Class<?> getConstClass() { |
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return DataPatchTest.class; |
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} |
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private void test(TestCompiler compiler) { |
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test(compiler, getMethod("getConstClass")); |
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} |
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@Test |
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public void testInlineObject() { |
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test(asm -> { |
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ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
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HotSpotConstant c = (HotSpotConstant) type.getJavaClass(); |
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Register ret = asm.emitLoadPointer(c); |
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asm.emitPointerRet(ret); |
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}); |
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} |
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@Test |
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public void testInlineNarrowObject() { |
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Assume.assumeTrue(HotSpotVMConfig.config().useCompressedOops); |
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test(asm -> { |
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ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
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HotSpotConstant c = (HotSpotConstant) type.getJavaClass(); |
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Register compressed = asm.emitLoadPointer((HotSpotConstant) c.compress()); |
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Register ret = asm.emitUncompressPointer(compressed, HotSpotVMConfig.config().narrowOopBase, HotSpotVMConfig.config().narrowOopShift); |
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asm.emitPointerRet(ret); |
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}); |
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} |
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@Test |
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public void testDataSectionReference() { |
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test(asm -> { |
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ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
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HotSpotConstant c = (HotSpotConstant) type.getJavaClass(); |
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Data data = codeCache.createDataItem(c); |
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DataSectionReference ref = asm.result.getDataSection().insertData(data); |
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Register ret = asm.emitLoadPointer(ref); |
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asm.emitPointerRet(ret); |
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}); |
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} |
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@Test |
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public void testNarrowDataSectionReference() { |
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Assume.assumeTrue(HotSpotVMConfig.config().useCompressedOops); |
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test(asm -> { |
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ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
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HotSpotConstant c = (HotSpotConstant) type.getJavaClass(); |
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HotSpotConstant cCompressed = (HotSpotConstant) c.compress(); |
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Data data = codeCache.createDataItem(cCompressed); |
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DataSectionReference ref = asm.result.getDataSection().insertData(data); |
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Register compressed = asm.emitLoadNarrowPointer(ref); |
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Register ret = asm.emitUncompressPointer(compressed, HotSpotVMConfig.config().narrowOopBase, HotSpotVMConfig.config().narrowOopShift); |
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asm.emitPointerRet(ret); |
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}); |
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} |
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@Test |
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public void testInlineMetadata() { |
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test(asm -> { |
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ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
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Register klass = asm.emitLoadPointer((HotSpotConstant) type.getObjectHub()); |
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Register ret = asm.emitLoadPointer(klass, HotSpotVMConfig.config().classMirrorOffset); |
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asm.emitPointerRet(ret); |
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}); |
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} |
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@Test |
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public void testInlineNarrowMetadata() { |
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Assume.assumeTrue(HotSpotVMConfig.config().useCompressedClassPointers); |
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test(asm -> { |
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ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
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HotSpotConstant hub = (HotSpotConstant) type.getObjectHub(); |
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Register narrowKlass = asm.emitLoadPointer((HotSpotConstant) hub.compress()); |
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Register klass = asm.emitUncompressPointer(narrowKlass, HotSpotVMConfig.config().narrowKlassBase, HotSpotVMConfig.config().narrowKlassShift); |
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Register ret = asm.emitLoadPointer(klass, HotSpotVMConfig.config().classMirrorOffset); |
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asm.emitPointerRet(ret); |
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}); |
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} |
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@Test |
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public void testMetadataInDataSection() { |
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test(asm -> { |
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ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
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HotSpotConstant hub = (HotSpotConstant) type.getObjectHub(); |
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Data data = codeCache.createDataItem(hub); |
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DataSectionReference ref = asm.result.getDataSection().insertData(data); |
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Register klass = asm.emitLoadPointer(ref); |
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Register ret = asm.emitLoadPointer(klass, HotSpotVMConfig.config().classMirrorOffset); |
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asm.emitPointerRet(ret); |
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}); |
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} |
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@Test |
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public void testNarrowMetadataInDataSection() { |
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Assume.assumeTrue(HotSpotVMConfig.config().useCompressedClassPointers); |
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test(asm -> { |
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ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass()); |
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HotSpotConstant hub = (HotSpotConstant) type.getObjectHub(); |
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HotSpotConstant narrowHub = (HotSpotConstant) hub.compress(); |
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Data data = codeCache.createDataItem(narrowHub); |
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DataSectionReference ref = asm.result.getDataSection().insertData(data); |
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Register narrowKlass = asm.emitLoadNarrowPointer(ref); |
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Register klass = asm.emitUncompressPointer(narrowKlass, HotSpotVMConfig.config().narrowKlassBase, HotSpotVMConfig.config().narrowKlassShift); |
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Register ret = asm.emitLoadPointer(klass, HotSpotVMConfig.config().classMirrorOffset); |
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asm.emitPointerRet(ret); |
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}); |
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} |
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} |