author | kvn |
Tue, 29 Oct 2019 15:35:06 -0700 | |
changeset 58851 | f1e6442241ca |
parent 47216 | 71c04702a3d5 |
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/* |
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* Copyright (c) 2015, 2019, 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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package jdk.vm.ci.code.test; |
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import jdk.vm.ci.code.CallingConvention; |
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import jdk.vm.ci.code.CodeCacheProvider; |
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import jdk.vm.ci.code.DebugInfo; |
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import jdk.vm.ci.code.Register; |
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import jdk.vm.ci.code.StackSlot; |
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import jdk.vm.ci.code.ValueKindFactory; |
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import jdk.vm.ci.code.site.Call; |
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import jdk.vm.ci.code.site.ConstantReference; |
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import jdk.vm.ci.code.site.DataPatch; |
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import jdk.vm.ci.code.site.DataSectionReference; |
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import jdk.vm.ci.code.site.Infopoint; |
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import jdk.vm.ci.code.site.InfopointReason; |
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import jdk.vm.ci.code.site.Mark; |
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import jdk.vm.ci.code.site.Reference; |
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import jdk.vm.ci.code.site.Site; |
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import jdk.vm.ci.hotspot.HotSpotCompiledCode; |
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import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment; |
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import jdk.vm.ci.hotspot.HotSpotCompiledNmethod; |
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import jdk.vm.ci.hotspot.HotSpotConstant; |
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import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; |
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import jdk.vm.ci.meta.AllocatableValue; |
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import jdk.vm.ci.meta.Assumptions.Assumption; |
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import jdk.vm.ci.meta.InvokeTarget; |
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import jdk.vm.ci.meta.JavaKind; |
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import jdk.vm.ci.meta.PlatformKind; |
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import jdk.vm.ci.meta.ResolvedJavaMethod; |
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import jdk.vm.ci.meta.VMConstant; |
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import jdk.vm.ci.meta.ValueKind; |
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import java.nio.ByteBuffer; |
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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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/** |
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* Simple assembler used by the code installation tests. |
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*/ |
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public abstract class TestAssembler { |
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/** |
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* Emit the method prologue code (e.g. building the new stack frame). |
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*/ |
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public abstract void emitPrologue(); |
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/** |
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* Emit the method epilogue code (e.g. the deopt handler). |
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*/ |
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public abstract void emitEpilogue(); |
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/** |
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* Emit code to grow the stack frame. |
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* |
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* @param size the size in bytes that the stack should grow |
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*/ |
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public abstract void emitGrowStack(int size); |
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/** |
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* Get the register containing the first 32-bit integer argument. |
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*/ |
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public abstract Register emitIntArg0(); |
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/** |
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* Get the register containing the second 32-bit integer argument. |
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*/ |
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public abstract Register emitIntArg1(); |
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/** |
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* Emit code to add two 32-bit integer registers. May reuse one of the argument registers. |
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public abstract Register emitIntAdd(Register a, Register b); |
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/** |
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* Emit code to load a constant 32-bit integer to a register. |
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public abstract Register emitLoadInt(int value); |
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/** |
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* Emit code to load a constant 64-bit integer to a register. |
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*/ |
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public abstract Register emitLoadLong(long value); |
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/** |
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* Emit code to load a constant single-precision float to a register. |
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*/ |
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public abstract Register emitLoadFloat(float value); |
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/** |
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* Emit code to load a constant oop or metaspace pointer to a register. The pointer may be wide |
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* or narrow, depending on {@link HotSpotConstant#isCompressed() c.isCompressed()}. |
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*/ |
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public abstract Register emitLoadPointer(HotSpotConstant c); |
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/** |
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* Emit code to load a wide pointer from the {@link HotSpotCompiledCode#dataSection} to a |
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* register. |
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*/ |
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public abstract Register emitLoadPointer(DataSectionReference ref); |
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/** |
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* Emit code to load a narrow pointer from the {@link HotSpotCompiledCode#dataSection} to a |
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* register. |
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*/ |
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public abstract Register emitLoadNarrowPointer(DataSectionReference ref); |
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/** |
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* Emit code to load a (wide) pointer from a memory location to a register. |
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*/ |
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public abstract Register emitLoadPointer(Register base, int offset); |
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/** |
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* Emit code to store a 32-bit integer from a register to a new stack slot. |
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*/ |
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public abstract StackSlot emitIntToStack(Register a); |
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/** |
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* Emit code to store a 64-bit integer from a register to a new stack slot. |
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*/ |
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public abstract StackSlot emitLongToStack(Register a); |
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/** |
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* Emit code to store a single-precision float from a register to a new stack slot. |
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*/ |
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public abstract StackSlot emitFloatToStack(Register a); |
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*/ |
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public abstract StackSlot emitDoubleToStack(Register a); |
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/** |
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* Emit code to store a wide pointer from a register to a new stack slot. |
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public abstract StackSlot emitPointerToStack(Register a); |
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/** |
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* Emit code to store a narrow pointer from a register to a new stack slot. |
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public abstract StackSlot emitNarrowPointerToStack(Register a); |
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/** |
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* Emit code to uncompress a narrow pointer. The input pointer is guaranteed to be non-null. |
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public abstract Register emitUncompressPointer(Register compressed, long base, int shift); |
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/** |
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* Emit code to return from a function, returning a 32-bit integer. |
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public abstract void emitIntRet(Register a); |
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*/ |
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public abstract void emitFloatRet(Register a); |
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* Emit code to return from a function, returning a wide oop pointer. |
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public abstract void emitPointerRet(Register a); |
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/** |
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* Emit code that traps, forcing a deoptimization. |
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public abstract void emitTrap(DebugInfo info); |
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public final ValueKind<?> narrowOopKind; |
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protected final Buffer code; |
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protected final Buffer data; |
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private final ArrayList<Site> sites; |
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private final ArrayList<DataPatch> dataPatches; |
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protected final CodeCacheProvider codeCache; |
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protected final TestHotSpotVMConfig config; |
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private final Register[] registers; |
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private int nextRegister; |
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protected int frameSize; |
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private int stackAlignment; |
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private int curStackSlot; |
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private StackSlot deoptRescue; |
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public ValueKindFactory<TestValueKind> valueKindFactory = new ValueKindFactory<>() { |
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public TestValueKind getValueKind(JavaKind javaKind) { |
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return (TestValueKind) TestAssembler.this.getValueKind(javaKind); |
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} |
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}; |
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static class TestValueKind extends ValueKind<TestValueKind> { |
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TestValueKind(PlatformKind kind) { |
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super(kind); |
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} |
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@Override |
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public TestValueKind changeType(PlatformKind kind) { |
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return new TestValueKind(kind); |
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} |
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} |
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protected TestAssembler(CodeCacheProvider codeCache, TestHotSpotVMConfig config, int initialFrameSize, int stackAlignment, PlatformKind narrowOopKind, Register... registers) { |
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this.narrowOopKind = new TestValueKind(narrowOopKind); |
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this.code = new Buffer(); |
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this.data = new Buffer(); |
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this.sites = new ArrayList<>(); |
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this.dataPatches = new ArrayList<>(); |
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this.codeCache = codeCache; |
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this.config = config; |
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this.registers = registers; |
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this.nextRegister = 0; |
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this.frameSize = initialFrameSize; |
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this.stackAlignment = stackAlignment; |
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this.curStackSlot = initialFrameSize; |
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} |
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public ValueKind<?> getValueKind(JavaKind kind) { |
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return new TestValueKind(codeCache.getTarget().arch.getPlatformKind(kind)); |
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} |
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protected Register newRegister() { |
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return registers[nextRegister++]; |
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} |
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protected StackSlot newStackSlot(PlatformKind kind) { |
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growFrame(kind.getSizeInBytes()); |
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return StackSlot.get(new TestValueKind(kind), -curStackSlot, true); |
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} |
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|
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public int getOffset(StackSlot slot) { |
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return slot.getOffset(frameSize); |
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261 |
} |
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262 |
|
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263 |
protected void growFrame(int sizeInBytes) { |
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curStackSlot += sizeInBytes; |
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if (curStackSlot > frameSize) { |
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int newFrameSize = curStackSlot; |
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if (newFrameSize % stackAlignment != 0) { |
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newFrameSize += stackAlignment - (newFrameSize % stackAlignment); |
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} |
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emitGrowStack(newFrameSize - frameSize); |
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frameSize = newFrameSize; |
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} |
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} |
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|
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protected void setDeoptRescueSlot(StackSlot deoptRescue) { |
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this.deoptRescue = deoptRescue; |
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} |
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|
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protected void recordCall(InvokeTarget target, int size, boolean direct, DebugInfo debugInfo) { |
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sites.add(new Call(target, code.position(), size, direct, debugInfo)); |
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281 |
} |
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282 |
|
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protected void recordMark(Object id) { |
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sites.add(new Mark(code.position(), id)); |
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|
285 |
} |
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|
286 |
|
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protected void recordImplicitException(DebugInfo info) { |
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sites.add(new Infopoint(code.position(), info, InfopointReason.IMPLICIT_EXCEPTION)); |
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} |
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290 |
|
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291 |
protected void recordDataPatchInCode(Reference ref) { |
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sites.add(new DataPatch(code.position(), ref)); |
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} |
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294 |
|
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protected void recordDataPatchInData(Reference ref) { |
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dataPatches.add(new DataPatch(data.position(), ref)); |
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} |
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298 |
|
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299 |
public DataSectionReference emitDataItem(HotSpotConstant c) { |
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DataSectionReference ref = new DataSectionReference(); |
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|
301 |
ref.setOffset(data.position()); |
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|
302 |
|
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|
303 |
recordDataPatchInData(new ConstantReference((VMConstant) c)); |
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|
304 |
if (c.isCompressed()) { |
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|
305 |
data.emitInt(0xDEADDEAD); |
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|
306 |
} else { |
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|
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data.emitLong(0xDEADDEADDEADDEADL); |
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308 |
} |
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|
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|
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310 |
return ref; |
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|
311 |
} |
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|
312 |
|
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|
313 |
public HotSpotCompiledCode finish(HotSpotResolvedJavaMethod method) { |
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|
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int id = method.allocateCompileId(0); |
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|
315 |
byte[] finishedCode = code.finish(); |
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|
316 |
Site[] finishedSites = sites.toArray(new Site[0]); |
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|
317 |
byte[] finishedData = data.finish(); |
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|
318 |
DataPatch[] finishedDataPatches = dataPatches.toArray(new DataPatch[0]); |
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|
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return new HotSpotCompiledNmethod(method.getName(), finishedCode, finishedCode.length, finishedSites, new Assumption[0], new ResolvedJavaMethod[]{method}, new Comment[0], finishedData, 16, |
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|
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finishedDataPatches, false, frameSize, deoptRescue, method, 0, id, 0L, false); |
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|
321 |
} |
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|
322 |
|
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|
323 |
protected static class Buffer { |
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|
324 |
|
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|
325 |
private ByteBuffer data = ByteBuffer.allocate(32).order(ByteOrder.nativeOrder()); |
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|
326 |
|
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|
327 |
private void ensureSize(int length) { |
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|
328 |
if (length >= data.limit()) { |
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|
329 |
byte[] newBuf = Arrays.copyOf(data.array(), length * 4); |
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|
330 |
ByteBuffer newData = ByteBuffer.wrap(newBuf); |
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|
331 |
newData.order(data.order()); |
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|
332 |
newData.position(data.position()); |
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|
333 |
data = newData; |
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|
334 |
} |
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|
335 |
} |
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|
336 |
|
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|
337 |
public int position() { |
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|
338 |
return data.position(); |
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|
339 |
} |
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|
340 |
|
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|
341 |
public void emitByte(int b) { |
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|
342 |
ensureSize(data.position() + 1); |
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|
343 |
data.put((byte) (b & 0xFF)); |
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|
344 |
} |
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|
345 |
|
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|
346 |
public void emitShort(int b) { |
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|
347 |
ensureSize(data.position() + 2); |
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|
348 |
data.putShort((short) b); |
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|
349 |
} |
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|
350 |
|
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|
351 |
public void emitInt(int b) { |
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|
352 |
ensureSize(data.position() + 4); |
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changeset
|
353 |
data.putInt(b); |
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changeset
|
354 |
} |
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|
355 |
|
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|
356 |
public void emitLong(long b) { |
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changeset
|
357 |
ensureSize(data.position() + 8); |
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changeset
|
358 |
data.putLong(b); |
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changeset
|
359 |
} |
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|
360 |
|
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|
361 |
public void emitFloat(float f) { |
c32a0cc19877
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changeset
|
362 |
ensureSize(data.position() + 4); |
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|
363 |
data.putFloat(f); |
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|
364 |
} |
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|
365 |
|
40060
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|
366 |
public void emitDouble(double f) { |
0e7ca474ea35
8159368: [JVMCI] SPARCHotSpotRegisterConfig.callingConvention gives incorrect calling convention for native calls containing fp args
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|
367 |
ensureSize(data.position() + 8); |
0e7ca474ea35
8159368: [JVMCI] SPARCHotSpotRegisterConfig.callingConvention gives incorrect calling convention for native calls containing fp args
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|
368 |
data.putDouble(f); |
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8159368: [JVMCI] SPARCHotSpotRegisterConfig.callingConvention gives incorrect calling convention for native calls containing fp args
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|
369 |
} |
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|
370 |
|
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|
371 |
public void align(int alignment) { |
35ab7c6816e9
8146244: compiler/jvmci/code/DataPatchTest.java crashes: SIGSEGV in (getConstClass)getConstClass
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|
372 |
int pos = data.position(); |
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8146244: compiler/jvmci/code/DataPatchTest.java crashes: SIGSEGV in (getConstClass)getConstClass
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|
373 |
int misaligned = pos % alignment; |
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8146244: compiler/jvmci/code/DataPatchTest.java crashes: SIGSEGV in (getConstClass)getConstClass
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|
374 |
if (misaligned != 0) { |
35ab7c6816e9
8146244: compiler/jvmci/code/DataPatchTest.java crashes: SIGSEGV in (getConstClass)getConstClass
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|
375 |
pos += alignment - misaligned; |
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376 |
data.position(pos); |
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377 |
} |
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378 |
} |
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8146244: compiler/jvmci/code/DataPatchTest.java crashes: SIGSEGV in (getConstClass)getConstClass
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379 |
|
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8147599: [JVMCI] simplify code installation interface
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380 |
private byte[] finish() { |
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381 |
return Arrays.copyOf(data.array(), data.position()); |
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382 |
} |
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8144704: [JVMCI] add tests for simple code installation
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383 |
} |
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8159368: [JVMCI] SPARCHotSpotRegisterConfig.callingConvention gives incorrect calling convention for native calls containing fp args
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|
384 |
|
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8159368: [JVMCI] SPARCHotSpotRegisterConfig.callingConvention gives incorrect calling convention for native calls containing fp args
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385 |
/** |
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386 |
* Loads a primitive into the Allocatable <code>av</code>. Implementors may only implement |
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387 |
* primitive types. |
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388 |
*/ |
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389 |
public abstract void emitLoad(AllocatableValue av, Object prim); |
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|
390 |
|
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|
391 |
/** |
58851 | 392 |
* Emit a call to a fixed address <code>addr</code>. |
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393 |
*/ |
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394 |
public abstract void emitCall(long addr); |
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|
395 |
|
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396 |
/** |
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397 |
* Emit code which is necessary to call a method with {@link CallingConvention} <code>cc</code> |
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398 |
* and arguments <coe>prim</code>. |
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399 |
*/ |
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400 |
public abstract void emitCallPrologue(CallingConvention cc, Object... prim); |
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401 |
|
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402 |
/** |
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403 |
* Emit code which is necessary after calling a method with CallingConvention <code>cc</code>. |
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404 |
*/ |
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405 |
public abstract void emitCallEpilogue(CallingConvention cc); |
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406 |
|
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407 |
} |