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/*
* Copyright (c) 2015, 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.calls.common;
import compiler.testlibrary.CompilerUtils;
import jdk.test.lib.Asserts;
import sun.hotspot.WhiteBox;
import java.lang.reflect.Method;
import java.util.Arrays;
/**
* A common class for Invoke* classes
*/
public abstract class CallsBase {
public static final String CALL_ERR_MSG = "Call insuccessfull";
protected final Method calleeMethod;
protected final Method callerMethod;
protected final WhiteBox wb = WhiteBox.getWhiteBox();
protected int compileCallee = -1;
protected int compileCaller = -1;
protected boolean nativeCallee = false;
protected boolean nativeCaller = false;
protected boolean calleeVisited = false;
protected boolean checkCallerCompilationLevel;
protected boolean checkCalleeCompilationLevel;
protected int expectedCallerCompilationLevel;
protected int expectedCalleeCompilationLevel;
protected CallsBase() {
try {
callerMethod = getClass().getDeclaredMethod("caller");
calleeMethod = getClass().getDeclaredMethod("callee",
getCalleeParametersTypes());
wb.testSetDontInlineMethod(callerMethod, /* dontinline= */ true);
wb.testSetDontInlineMethod(calleeMethod, /* dontinline= */ true);
} catch (NoSuchMethodException e) {
throw new Error("TEST BUG: can't find test method", e);
}
}
/**
* Provides callee parameters types to search method
* @return array of types
*/
protected Class[] getCalleeParametersTypes() {
return new Class[] {int.class, long.class, float.class,
double.class, String.class};
}
/**
* Loads native library(libCallsNative.so)
*/
protected static void loadNativeLibrary() {
System.loadLibrary("CallsNative");
}
/**
* Checks if requested compilation levels are inside of current vm capabilities
* @return true if vm is capable of requested compilation levels
*/
protected final boolean compilationLevelsSupported() {
int[] compLevels = CompilerUtils.getAvailableCompilationLevels();
boolean callerCompLevelSupported = compileCaller <= 0 || (compileCaller > 0
&& Arrays.stream(compLevels)
.filter(elem -> elem == compileCaller)
.findAny()
.isPresent());
boolean calleeCompLevelSupported = compileCallee <= 0 || (compileCallee > 0
&& Arrays.stream(compLevels)
.filter(elem -> elem == compileCallee)
.findAny()
.isPresent());
return callerCompLevelSupported && calleeCompLevelSupported;
}
/**
* Parse test arguments
* @param args test arguments
*/
protected final void parseArgs(String args[]) {
for (int i = 0; i < args.length; i++) {
switch (args[i]) {
case "-nativeCallee":
nativeCallee = true;
break;
case "-nativeCaller":
nativeCaller = true;
break;
case "-compileCallee":
compileCallee = Integer.parseInt(args[++i]);
break;
case "-compileCaller":
compileCaller = Integer.parseInt(args[++i]);
break;
case "-checkCallerCompileLevel":
checkCallerCompilationLevel = true;
expectedCallerCompilationLevel = Integer.parseInt(args[++i]);
break;
case "-checkCalleeCompileLevel":
checkCalleeCompilationLevel = true;
expectedCalleeCompilationLevel = Integer.parseInt(args[++i]);
break;
default:
throw new Error("Can't parse test parameter:" + args[i]);
}
}
}
/**
* Run basic logic of a test by doing compile
* action(if needed). An arguments can be -compileCallee
* $calleeCompilationLevel and/or -compileCaller $callerCompilationLevel
* and/or -nativeCaller and/or -nativeCallee to indicate that native methods
* for caller/callee should be used
* @param args test args
*/
protected final void runTest(String args[]) {
parseArgs(args);
if (compilationLevelsSupported()) {
if (nativeCaller || nativeCallee) {
CallsBase.loadNativeLibrary();
}
Object lock = getLockObject();
Asserts.assertNotNull(lock, "Lock object is null");
/* a following lock is needed in case several instances of this
test are launched in same vm */
synchronized (lock) {
if (compileCaller > 0 || compileCallee > 0) {
caller(); // call once to have everything loaded
calleeVisited = false; // reset state
}
// compile with requested level if needed
if (compileCallee > 0 && !compileMethod(calleeMethod, compileCallee)) {
System.out.println("WARNING: Blocking compilation failed for calleeMethod (timeout?). Skipping.");
return;
}
if (checkCalleeCompilationLevel) {
Asserts.assertEQ(expectedCalleeCompilationLevel,
wb.getMethodCompilationLevel(calleeMethod),
"Unexpected callee compilation level");
}
if (compileCaller > 0 && !compileMethod(callerMethod, compileCaller)) {
System.out.println("WARNING: Blocking compilation failed for callerMethod (timeout?). Skipping.");
return;
}
if (checkCallerCompilationLevel) {
Asserts.assertEQ(expectedCallerCompilationLevel,
wb.getMethodCompilationLevel(callerMethod),
"Unexpected caller compilation level");
}
// do calling work
if (nativeCaller) {
callerNative();
} else {
caller();
}
}
} else {
System.out.println("WARNING: Requested compilation levels are "
+ "out of current vm capabilities. Skipping.");
}
}
/**
* A method to compile another method, searching it by name in current class
* @param method a method to compile
* @param compLevel a compilation level
* @return true if method was enqueued for compilation
*/
protected final boolean compileMethod(Method method, int compLevel) {
wb.deoptimizeMethod(method);
Asserts.assertTrue(wb.isMethodCompilable(method, compLevel));
return wb.enqueueMethodForCompilation(method, compLevel);
}
/*
* @return Object to lock on during execution
*/
protected abstract Object getLockObject();
protected abstract void caller();
protected abstract void callerNative();
/**
* A method checking values. Should be used to verify if all parameters are
* passed as expected. Parameter N should have a value indicating number "N"
* in respective type representation.
*/
public static void checkValues(int param1, long param2, float param3,
double param4, String param5) {
Asserts.assertEQ(param1, 1);
Asserts.assertEQ(param2, 2L);
Asserts.assertEQ(param3, 3.0f);
Asserts.assertEQ(param4, 4.0d);
Asserts.assertEQ(param5, "5");
}
}
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