undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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/*
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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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/*
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* @test
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* @requires sun.arch.data.model == "64"
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* @compile platform/PlatformLayouts.java
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* @modules java.base/jdk.internal.foreign
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* java.base/jdk.internal.foreign.abi
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* java.base/jdk.internal.foreign.abi.aarch64
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* @build CallArrangerTestBase
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* @run testng TestLinuxAArch64CallArranger
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*/
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import java.lang.foreign.FunctionDescriptor;
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import java.lang.foreign.MemoryLayout;
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import java.lang.foreign.StructLayout;
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import java.lang.foreign.MemorySegment;
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import jdk.internal.foreign.abi.Binding;
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import jdk.internal.foreign.abi.CallingSequence;
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import jdk.internal.foreign.abi.LinkerOptions;
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import jdk.internal.foreign.abi.StubLocations;
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import jdk.internal.foreign.abi.VMStorage;
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import jdk.internal.foreign.abi.aarch64.CallArranger;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import java.lang.invoke.MethodType;
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import static java.lang.foreign.Linker.Option.firstVariadicArg;
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import static java.lang.foreign.ValueLayout.ADDRESS;
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import static jdk.internal.foreign.abi.Binding.*;
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import static jdk.internal.foreign.abi.aarch64.AArch64Architecture.*;
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import static jdk.internal.foreign.abi.aarch64.AArch64Architecture.Regs.*;
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import static platform.PlatformLayouts.AArch64.*;
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import static org.testng.Assert.assertEquals;
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import static org.testng.Assert.assertFalse;
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import static org.testng.Assert.assertTrue;
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public class TestLinuxAArch64CallArranger extends CallArrangerTestBase {
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private static final VMStorage TARGET_ADDRESS_STORAGE = StubLocations.TARGET_ADDRESS.storage(StorageType.PLACEHOLDER);
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private static final VMStorage RETURN_BUFFER_STORAGE = StubLocations.RETURN_BUFFER.storage(StorageType.PLACEHOLDER);
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@Test
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public void testEmpty() {
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MethodType mt = MethodType.methodType(void.class);
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FunctionDescriptor fd = FunctionDescriptor.ofVoid();
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CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
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assertFalse(bindings.isInMemoryReturn());
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CallingSequence callingSequence = bindings.callingSequence();
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assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class));
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assertEquals(callingSequence.functionDesc(), fd.insertArgumentLayouts(0, ADDRESS));
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checkArgumentBindings(callingSequence, new Binding[][]{
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{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) }
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});
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checkReturnBindings(callingSequence, new Binding[]{});
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}
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@Test
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public void testInteger() {
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MethodType mt = MethodType.methodType(void.class,
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int.class, int.class, int.class, int.class,
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int.class, int.class, int.class, int.class,
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int.class, int.class);
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FunctionDescriptor fd = FunctionDescriptor.ofVoid(
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C_INT, C_INT, C_INT, C_INT,
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C_INT, C_INT, C_INT, C_INT,
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C_INT, C_INT);
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CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
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assertFalse(bindings.isInMemoryReturn());
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CallingSequence callingSequence = bindings.callingSequence();
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assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class));
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assertEquals(callingSequence.functionDesc(), fd.insertArgumentLayouts(0, ADDRESS));
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checkArgumentBindings(callingSequence, new Binding[][]{
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{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
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{ vmStore(r0, int.class) },
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{ vmStore(r1, int.class) },
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{ vmStore(r2, int.class) },
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{ vmStore(r3, int.class) },
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{ vmStore(r4, int.class) },
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{ vmStore(r5, int.class) },
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{ vmStore(r6, int.class) },
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{ vmStore(r7, int.class) },
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{ vmStore(stackStorage((short) 4, 0), int.class) },
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{ vmStore(stackStorage((short) 4, 8), int.class) },
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});
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checkReturnBindings(callingSequence, new Binding[]{});
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}
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@Test
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public void testTwoIntTwoFloat() {
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MethodType mt = MethodType.methodType(void.class,
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int.class, int.class, float.class, float.class);
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FunctionDescriptor fd = FunctionDescriptor.ofVoid(
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C_INT, C_INT, C_FLOAT, C_FLOAT);
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CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
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assertFalse(bindings.isInMemoryReturn());
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CallingSequence callingSequence = bindings.callingSequence();
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assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class));
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assertEquals(callingSequence.functionDesc(), fd.insertArgumentLayouts(0, ADDRESS));
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checkArgumentBindings(callingSequence, new Binding[][]{
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{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
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{ vmStore(r0, int.class) },
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{ vmStore(r1, int.class) },
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{ vmStore(v0, float.class) },
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{ vmStore(v1, float.class) },
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});
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checkReturnBindings(callingSequence, new Binding[]{});
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}
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@Test(dataProvider = "structs")
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public void testStruct(MemoryLayout struct, Binding[] expectedBindings) {
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MethodType mt = MethodType.methodType(void.class, MemorySegment.class);
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FunctionDescriptor fd = FunctionDescriptor.ofVoid(struct);
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CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
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assertFalse(bindings.isInMemoryReturn());
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CallingSequence callingSequence = bindings.callingSequence();
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assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class));
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assertEquals(callingSequence.functionDesc(), fd.insertArgumentLayouts(0, ADDRESS));
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checkArgumentBindings(callingSequence, new Binding[][]{
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{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
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expectedBindings
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});
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checkReturnBindings(callingSequence, new Binding[]{});
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}
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@DataProvider
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public static Object[][] structs() {
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MemoryLayout struct2 = MemoryLayout.structLayout(C_INT, C_INT, C_DOUBLE, C_INT);
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return new Object[][]{
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// struct s { int32_t a, b; double c; };
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{ MemoryLayout.structLayout(C_INT, C_INT, C_DOUBLE), new Binding[] {
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dup(),
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// s.a & s.b
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bufferLoad(0, long.class), vmStore(r0, long.class),
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// s.c --> note AArch64 passes this in an *integer* register
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bufferLoad(8, long.class), vmStore(r1, long.class),
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}},
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// struct s { int32_t a, b; double c; int32_t d };
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{ struct2, new Binding[] {
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copy(struct2),
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unboxAddress(),
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vmStore(r0, long.class)
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}},
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// struct s { int32_t a[2]; float b[2] };
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{ MemoryLayout.structLayout(C_INT, C_INT, C_FLOAT, C_FLOAT), new Binding[] {
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dup(),
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// s.a[0] & s.a[1]
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bufferLoad(0, long.class), vmStore(r0, long.class),
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// s.b[0] & s.b[1]
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bufferLoad(8, long.class), vmStore(r1, long.class),
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}},
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// struct s { float a; /* padding */ double b };
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{ MemoryLayout.structLayout(C_FLOAT, MemoryLayout.paddingLayout(4), C_DOUBLE),
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new Binding[] {
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dup(),
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// s.a
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bufferLoad(0, long.class), vmStore(r0, long.class),
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// s.b
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bufferLoad(8, long.class), vmStore(r1, long.class),
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}},
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};
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}
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@Test
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public void testMultipleStructs() {
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MemoryLayout struct1 = MemoryLayout.structLayout(C_INT, C_INT, C_DOUBLE, C_INT);
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MemoryLayout struct2 = MemoryLayout.structLayout(C_LONG, C_LONG, C_LONG);
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MethodType mt = MethodType.methodType(void.class, MemorySegment.class, MemorySegment.class, int.class);
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FunctionDescriptor fd = FunctionDescriptor.ofVoid(struct1, struct2, C_INT);
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CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
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assertFalse(bindings.isInMemoryReturn());
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CallingSequence callingSequence = bindings.callingSequence();
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assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class));
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assertEquals(callingSequence.functionDesc(), fd.insertArgumentLayouts(0, ADDRESS));
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checkArgumentBindings(callingSequence, new Binding[][]{
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{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
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{
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copy(struct1),
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unboxAddress(),
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vmStore(r0, long.class)
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},
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{
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copy(struct2),
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unboxAddress(),
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vmStore(r1, long.class)
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},
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{ vmStore(r2, int.class) }
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});
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checkReturnBindings(callingSequence, new Binding[]{});
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}
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@Test
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public void testReturnStruct1() {
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MemoryLayout struct = MemoryLayout.structLayout(C_LONG, C_LONG, C_FLOAT);
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MethodType mt = MethodType.methodType(MemorySegment.class);
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FunctionDescriptor fd = FunctionDescriptor.of(struct);
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CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
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assertTrue(bindings.isInMemoryReturn());
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CallingSequence callingSequence = bindings.callingSequence();
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assertEquals(callingSequence.callerMethodType(), MethodType.methodType(void.class, MemorySegment.class, MemorySegment.class));
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assertEquals(callingSequence.functionDesc(), FunctionDescriptor.ofVoid(ADDRESS, C_POINTER));
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checkArgumentBindings(callingSequence, new Binding[][]{
|
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{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
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{
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unboxAddress(),
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vmStore(r8, long.class)
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}
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});
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checkReturnBindings(callingSequence, new Binding[]{});
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}
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@Test
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public void testReturnStruct2() {
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MemoryLayout struct = MemoryLayout.structLayout(C_LONG, C_LONG);
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MethodType mt = MethodType.methodType(MemorySegment.class);
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FunctionDescriptor fd = FunctionDescriptor.of(struct);
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CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
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assertFalse(bindings.isInMemoryReturn());
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CallingSequence callingSequence = bindings.callingSequence();
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assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class, MemorySegment.class));
|
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assertEquals(callingSequence.functionDesc(), fd.insertArgumentLayouts(0, ADDRESS, ADDRESS));
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checkArgumentBindings(callingSequence, new Binding[][]{
|
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{ unboxAddress(), vmStore(RETURN_BUFFER_STORAGE, long.class) },
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{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) }
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});
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checkReturnBindings(callingSequence, new Binding[]{
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allocate(struct),
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dup(),
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vmLoad(r0, long.class),
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bufferStore(0, long.class),
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dup(),
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vmLoad(r1, long.class),
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bufferStore(8, long.class),
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||||
});
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}
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@Test
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public void testStructHFA1() {
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MemoryLayout hfa = MemoryLayout.structLayout(C_FLOAT, C_FLOAT);
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MethodType mt = MethodType.methodType(MemorySegment.class, float.class, int.class, MemorySegment.class);
|
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FunctionDescriptor fd = FunctionDescriptor.of(hfa, C_FLOAT, C_INT, hfa);
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CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
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|
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assertFalse(bindings.isInMemoryReturn());
|
||||
CallingSequence callingSequence = bindings.callingSequence();
|
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assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class, MemorySegment.class));
|
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assertEquals(callingSequence.functionDesc(), fd.insertArgumentLayouts(0, ADDRESS, ADDRESS));
|
||||
|
||||
checkArgumentBindings(callingSequence, new Binding[][]{
|
||||
{ unboxAddress(), vmStore(RETURN_BUFFER_STORAGE, long.class) },
|
||||
{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
|
||||
{ vmStore(v0, float.class) },
|
||||
{ vmStore(r0, int.class) },
|
||||
{
|
||||
dup(),
|
||||
bufferLoad(0, float.class),
|
||||
vmStore(v1, float.class),
|
||||
bufferLoad(4, float.class),
|
||||
vmStore(v2, float.class)
|
||||
}
|
||||
});
|
||||
|
||||
checkReturnBindings(callingSequence, new Binding[]{
|
||||
allocate(hfa),
|
||||
dup(),
|
||||
vmLoad(v0, float.class),
|
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bufferStore(0, float.class),
|
||||
dup(),
|
||||
vmLoad(v1, float.class),
|
||||
bufferStore(4, float.class),
|
||||
});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStructHFA3() {
|
||||
MemoryLayout struct = MemoryLayout.structLayout(C_FLOAT, C_FLOAT, C_FLOAT);
|
||||
|
||||
MethodType mt = MethodType.methodType(void.class, MemorySegment.class, MemorySegment.class, MemorySegment.class);
|
||||
FunctionDescriptor fd = FunctionDescriptor.ofVoid(struct, struct, struct);
|
||||
CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
|
||||
|
||||
assertFalse(bindings.isInMemoryReturn());
|
||||
CallingSequence callingSequence = bindings.callingSequence();
|
||||
assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class));
|
||||
assertEquals(callingSequence.functionDesc(), fd.insertArgumentLayouts(0, ADDRESS));
|
||||
|
||||
checkArgumentBindings(callingSequence, new Binding[][]{
|
||||
{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
|
||||
{
|
||||
dup(),
|
||||
bufferLoad(0, float.class),
|
||||
vmStore(v0, float.class),
|
||||
dup(),
|
||||
bufferLoad(4, float.class),
|
||||
vmStore(v1, float.class),
|
||||
bufferLoad(8, float.class),
|
||||
vmStore(v2, float.class)
|
||||
},
|
||||
{
|
||||
dup(),
|
||||
bufferLoad(0, float.class),
|
||||
vmStore(v3, float.class),
|
||||
dup(),
|
||||
bufferLoad(4, float.class),
|
||||
vmStore(v4, float.class),
|
||||
bufferLoad(8, float.class),
|
||||
vmStore(v5, float.class)
|
||||
},
|
||||
{
|
||||
dup(),
|
||||
bufferLoad(0, long.class),
|
||||
vmStore(stackStorage((short) 8, 0), long.class),
|
||||
bufferLoad(8, int.class),
|
||||
vmStore(stackStorage((short) 4, 8), int.class),
|
||||
}
|
||||
});
|
||||
|
||||
checkReturnBindings(callingSequence, new Binding[]{});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStructStackSpill() {
|
||||
// A large (> 16 byte) struct argument that is spilled to the
|
||||
// stack should be passed as a pointer to a copy and occupy one
|
||||
// stack slot.
|
||||
|
||||
MemoryLayout struct = MemoryLayout.structLayout(C_INT, C_INT, C_DOUBLE, C_INT);
|
||||
|
||||
MethodType mt = MethodType.methodType(
|
||||
void.class, MemorySegment.class, MemorySegment.class, int.class, int.class,
|
||||
int.class, int.class, int.class, int.class, MemorySegment.class, int.class);
|
||||
FunctionDescriptor fd = FunctionDescriptor.ofVoid(
|
||||
struct, struct, C_INT, C_INT, C_INT, C_INT, C_INT, C_INT, struct, C_INT);
|
||||
CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
|
||||
|
||||
assertFalse(bindings.isInMemoryReturn());
|
||||
CallingSequence callingSequence = bindings.callingSequence();
|
||||
assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class));
|
||||
assertEquals(callingSequence.functionDesc(), fd.insertArgumentLayouts(0, ADDRESS));
|
||||
|
||||
checkArgumentBindings(callingSequence, new Binding[][]{
|
||||
{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
|
||||
{ copy(struct), unboxAddress(), vmStore(r0, long.class) },
|
||||
{ copy(struct), unboxAddress(), vmStore(r1, long.class) },
|
||||
{ vmStore(r2, int.class) },
|
||||
{ vmStore(r3, int.class) },
|
||||
{ vmStore(r4, int.class) },
|
||||
{ vmStore(r5, int.class) },
|
||||
{ vmStore(r6, int.class) },
|
||||
{ vmStore(r7, int.class) },
|
||||
{ copy(struct), unboxAddress(), vmStore(stackStorage((short) 8, 0), long.class) },
|
||||
{ vmStore(stackStorage((short) 4, 8), int.class) },
|
||||
});
|
||||
|
||||
checkReturnBindings(callingSequence, new Binding[]{});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testVarArgsInRegs() {
|
||||
MethodType mt = MethodType.methodType(void.class, int.class, int.class, float.class);
|
||||
FunctionDescriptor fd = FunctionDescriptor.ofVoid(C_INT, C_INT, C_FLOAT);
|
||||
FunctionDescriptor fdExpected = FunctionDescriptor.ofVoid(ADDRESS, C_INT, C_INT, C_FLOAT);
|
||||
CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false, LinkerOptions.forDowncall(fd, firstVariadicArg(1)));
|
||||
|
||||
assertFalse(bindings.isInMemoryReturn());
|
||||
CallingSequence callingSequence = bindings.callingSequence();
|
||||
assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class));
|
||||
assertEquals(callingSequence.functionDesc(), fdExpected);
|
||||
|
||||
// This is identical to the non-variadic calling sequence
|
||||
checkArgumentBindings(callingSequence, new Binding[][]{
|
||||
{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
|
||||
{ vmStore(r0, int.class) },
|
||||
{ vmStore(r1, int.class) },
|
||||
{ vmStore(v0, float.class) },
|
||||
});
|
||||
|
||||
checkReturnBindings(callingSequence, new Binding[]{});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFloatArrayStruct() {
|
||||
// should be classified as HFA
|
||||
StructLayout S10 = MemoryLayout.structLayout(
|
||||
MemoryLayout.sequenceLayout(4, C_DOUBLE)
|
||||
);
|
||||
MethodType mt = MethodType.methodType(MemorySegment.class, MemorySegment.class);
|
||||
FunctionDescriptor fd = FunctionDescriptor.of(S10, S10);
|
||||
FunctionDescriptor fdExpected = FunctionDescriptor.of(S10, ADDRESS, ADDRESS, S10); // uses return buffer
|
||||
CallArranger.Bindings bindings = CallArranger.LINUX.getBindings(mt, fd, false);
|
||||
|
||||
assertFalse(bindings.isInMemoryReturn());
|
||||
CallingSequence callingSequence = bindings.callingSequence();
|
||||
assertEquals(callingSequence.callerMethodType(), mt.insertParameterTypes(0, MemorySegment.class, MemorySegment.class));
|
||||
assertEquals(callingSequence.functionDesc(), fdExpected);
|
||||
|
||||
// This is identical to the non-variadic calling sequence
|
||||
checkArgumentBindings(callingSequence, new Binding[][]{
|
||||
{ unboxAddress(), vmStore(RETURN_BUFFER_STORAGE, long.class) },
|
||||
{ unboxAddress(), vmStore(TARGET_ADDRESS_STORAGE, long.class) },
|
||||
{ dup(),
|
||||
bufferLoad(0, double.class),
|
||||
vmStore(v0, double.class),
|
||||
dup(),
|
||||
bufferLoad(8, double.class),
|
||||
vmStore(v1, double.class),
|
||||
dup(),
|
||||
bufferLoad(16, double.class),
|
||||
vmStore(v2, double.class),
|
||||
bufferLoad(24, double.class),
|
||||
vmStore(v3, double.class) },
|
||||
});
|
||||
|
||||
checkReturnBindings(callingSequence, new Binding[]{
|
||||
allocate(S10),
|
||||
dup(),
|
||||
vmLoad(v0, double.class),
|
||||
bufferStore(0, double.class),
|
||||
dup(),
|
||||
vmLoad(v1, double.class),
|
||||
bufferStore(8, double.class),
|
||||
dup(),
|
||||
vmLoad(v2, double.class),
|
||||
bufferStore(16, double.class),
|
||||
dup(),
|
||||
vmLoad(v3, double.class),
|
||||
bufferStore(24, double.class),
|
||||
});
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue