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/*
* Copyright (c) 2015, 2025, 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.
*/
package compiler.jvmci.common;
import jdk.vm.ci.code.Architecture;
import jdk.vm.ci.code.CodeCacheProvider;
import jdk.vm.ci.code.Register;
import jdk.vm.ci.code.StackSlot;
import jdk.vm.ci.code.site.DataPatch;
import jdk.vm.ci.code.site.Site;
import jdk.vm.ci.code.InstalledCode;
import jdk.vm.ci.hotspot.HotSpotCompiledCode;
import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment;
import jdk.vm.ci.hotspot.HotSpotCompiledNmethod;
import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
import jdk.vm.ci.meta.Assumptions.Assumption;
import jdk.vm.ci.meta.MetaAccessProvider;
import jdk.vm.ci.meta.PlatformKind;
import jdk.vm.ci.meta.ResolvedJavaMethod;
import jdk.vm.ci.meta.SpeculationLog;
import jdk.vm.ci.runtime.JVMCI;
import jdk.vm.ci.runtime.JVMCIBackend;
import org.junit.Assert;
import java.lang.reflect.Method;
public class CodeInstallerTest {
protected final Architecture arch;
protected final CodeCacheProvider codeCache;
protected final MetaAccessProvider metaAccess;
protected final HotSpotConstantReflectionProvider constantReflection;
protected final HotSpotResolvedJavaMethod dummyMethod;
public static void dummyMethod() {
}
protected CodeInstallerTest() {
JVMCIBackend backend = JVMCI.getRuntime().getHostJVMCIBackend();
metaAccess = backend.getMetaAccess();
codeCache = backend.getCodeCache();
constantReflection = (HotSpotConstantReflectionProvider) backend.getConstantReflection();
arch = codeCache.getTarget().arch;
Method method = null;
try {
method = CodeInstallerTest.class.getMethod("dummyMethod");
} catch (NoSuchMethodException e) {
Assert.fail();
}
dummyMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method);
}
protected InstalledCode installEmptyCode(Site[] sites,
Assumption[] assumptions,
Comment[] comments,
int dataSectionAlignment,
DataPatch[] dataSectionPatches,
StackSlot deoptRescueSlot) {
ResolvedJavaMethod[] methods = {dummyMethod};
byte[] targetCode = {0};
int targetCodeSize = targetCode.length;
boolean isImmutablePIC = false;
int totalFrameSize = 0;
int entryBCI = 0;
int id = 1;
long compileState = 0L;
boolean hasUnsafeAccess = false;
HotSpotCompiledCode code =
new HotSpotCompiledNmethod("dummyMethod",
targetCode,
targetCodeSize,
sites,
assumptions,
methods,
comments,
new byte[8],
dataSectionAlignment,
dataSectionPatches,
isImmutablePIC,
totalFrameSize,
deoptRescueSlot,
dummyMethod,
entryBCI,
id,
compileState,
hasUnsafeAccess);
SpeculationLog log = null;
InstalledCode installedCode = null;
return codeCache.addCode(dummyMethod, code, log, installedCode);
}
protected Register getRegister(PlatformKind kind, int index) {
int idx = index;
for (Register reg : arch.getAvailableValueRegisters()) {
if (arch.canStoreValue(reg.getRegisterCategory(), kind)) {
if (idx-- == 0) {
return reg;
}
}
}
return null;
}
}
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