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8317545: AIX PPC64: Implementation of Foreign Function & Memory API
Reviewed-by: jvernee
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44 changes: 44 additions & 0 deletions
44
src/java.base/share/classes/jdk/internal/foreign/abi/ppc64/aix/AixCallArranger.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| * Copyright (c) 2021, 2023, Oracle and/or its affiliates. All rights reserved. | ||
| * Copyright (c) 2023 SAP SE. 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. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * 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 jdk.internal.foreign.abi.ppc64.aix; | ||
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| import jdk.internal.foreign.abi.ppc64.CallArranger; | ||
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| /** | ||
| * PPC64 CallArranger specialized for AIX. | ||
| */ | ||
| public class AixCallArranger extends CallArranger { | ||
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| @Override | ||
| protected boolean useABIv2() { | ||
| return false; | ||
| } | ||
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| @Override | ||
| protected boolean isAIX() { | ||
| return true; | ||
| } | ||
| } |
95 changes: 95 additions & 0 deletions
95
src/java.base/share/classes/jdk/internal/foreign/abi/ppc64/aix/AixPPC64Linker.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * Copyright (c) 2022, 2023, Oracle and/or its affiliates. All rights reserved. | ||
| * Copyright (c) 2023 SAP SE. 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. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * 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 jdk.internal.foreign.abi.ppc64.aix; | ||
|
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| import jdk.internal.foreign.abi.AbstractLinker; | ||
| import jdk.internal.foreign.abi.LinkerOptions; | ||
| import jdk.internal.foreign.abi.SharedUtils; | ||
| import jdk.internal.foreign.abi.ppc64.CallArranger; | ||
|
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| import java.lang.foreign.FunctionDescriptor; | ||
| import java.lang.foreign.MemoryLayout; | ||
| import java.lang.foreign.ValueLayout; | ||
| import java.lang.invoke.MethodHandle; | ||
| import java.lang.invoke.MethodType; | ||
| import java.nio.ByteOrder; | ||
| import java.util.Map; | ||
|
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| public final class AixPPC64Linker extends AbstractLinker { | ||
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| static final Map<String, MemoryLayout> CANONICAL_LAYOUTS = | ||
| SharedUtils.canonicalLayouts(ValueLayout.JAVA_LONG, ValueLayout.JAVA_LONG, ValueLayout.JAVA_INT); | ||
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| public static AixPPC64Linker getInstance() { | ||
| final class Holder { | ||
| private static final AixPPC64Linker INSTANCE = new AixPPC64Linker(); | ||
| } | ||
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| return Holder.INSTANCE; | ||
| } | ||
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| private AixPPC64Linker() { | ||
| // Ensure there is only one instance | ||
| } | ||
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| @Override | ||
| protected void checkStructMember(MemoryLayout member, long offset) { | ||
| // special case double members that are not the first member | ||
| // see: https://www.ibm.com/docs/en/xl-c-and-cpp-aix/16.1?topic=data-using-alignment-modes | ||
| // Note: It is possible to enforce 8-byte alignment by #pragma align (natural) | ||
| // Therefore, we use normal checks if we are already 8-byte aligned. | ||
| if ((offset % 8 != 0) && (member instanceof ValueLayout vl && vl.carrier() == double.class)) { | ||
| if (vl.byteAlignment() != 4) { | ||
| throw new IllegalArgumentException("double struct member " + vl + " at offset " + offset + " should be 4-byte aligned"); | ||
| } | ||
| if (vl.order() != linkerByteOrder()) { | ||
| throw new IllegalArgumentException("double struct member " + vl + " at offset " + offset + " has an unexpected byte order"); | ||
| } | ||
| } else { | ||
| super.checkStructMember(member, offset); | ||
| } | ||
| } | ||
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| @Override | ||
| protected MethodHandle arrangeDowncall(MethodType inferredMethodType, FunctionDescriptor function, LinkerOptions options) { | ||
| return CallArranger.AIX.arrangeDowncall(inferredMethodType, function, options); | ||
| } | ||
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| @Override | ||
| protected UpcallStubFactory arrangeUpcall(MethodType targetType, FunctionDescriptor function, LinkerOptions options) { | ||
| return CallArranger.AIX.arrangeUpcall(targetType, function, options); | ||
| } | ||
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| @Override | ||
| protected ByteOrder linkerByteOrder() { | ||
| return ByteOrder.BIG_ENDIAN; | ||
| } | ||
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| @Override | ||
| public Map<String, MemoryLayout> canonicalLayouts() { | ||
| return CANONICAL_LAYOUTS; | ||
| } | ||
| } |
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