25 /*
  26  * @test
  27  * @bug 8136421
  28  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
  29  * @library /testlibrary /../../test/lib /
  30  * @ignore 8139700
  31  * @compile ../common/CompilerToVMHelper.java
  32  * @build sun.hotspot.WhiteBox
  33  *        compiler.jvmci.compilerToVM.DisassembleCodeBlobTest
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  *                              jdk.vm.ci.hotspot.CompilerToVMHelper
  37  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  38  *      -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
  39  *      compiler.jvmci.compilerToVM.DisassembleCodeBlobTest
  40  */
  41 
  42 package compiler.jvmci.compilerToVM;
  43 
  44 import jdk.vm.ci.hotspot.CompilerToVMHelper;

  45 import jdk.test.lib.Asserts;
  46 import sun.hotspot.code.NMethod;
  47 
  48 import java.util.List;

  49 
  50 public class DisassembleCodeBlobTest {
  51 
  52     public static void main(String[] args) {
  53         DisassembleCodeBlobTest test
  54                 = new DisassembleCodeBlobTest();
  55         List<CompileCodeTestCase> testCases
  56                 = CompileCodeTestCase.generate(/* bci = */ -1);
  57         testCases.addAll(CompileCodeTestCase.generate(/* bci = */ 0));
  58         testCases.forEach(test::check);

  59         test.checkNull();
  60     }
  61 
  62     private void checkNull() {
  63         String str = CompilerToVMHelper.disassembleCodeBlob(0L);
  64         Asserts.assertNull(str, "not null string returned for null pointer");










  65     }
  66 
  67     private void check(CompileCodeTestCase testCase) {
  68         System.out.println(testCase);
  69         // to have a clean state
  70         NMethod nMethod = testCase.deoptimizeAndCompile();
  71         if (nMethod == null) {
  72             throw new Error(testCase + " : method is not compiled");
  73         }
  74         String str = CompilerToVMHelper.disassembleCodeBlob(nMethod.address);

  75         if (str != null) {
  76             Asserts.assertGT(str.length(), 0,
  77                    testCase +  " : returned string has to be non-zero length");
  78         }
  79         String str2 = CompilerToVMHelper.disassembleCodeBlob(nMethod.address);
  80         Asserts.assertEQ(str, str2,
  81                 testCase + " : 2nd invocation returned different value");
  82     }
  83 }

  25 /*
  26  * @test
  27  * @bug 8136421
  28  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
  29  * @library /testlibrary /../../test/lib /
  30  * @ignore 8139700
  31  * @compile ../common/CompilerToVMHelper.java
  32  * @build sun.hotspot.WhiteBox
  33  *        compiler.jvmci.compilerToVM.DisassembleCodeBlobTest
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  *                              jdk.vm.ci.hotspot.CompilerToVMHelper
  37  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  38  *      -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
  39  *      compiler.jvmci.compilerToVM.DisassembleCodeBlobTest
  40  */
  41 
  42 package compiler.jvmci.compilerToVM;
  43 
  44 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  45 import jdk.vm.ci.code.InstalledCode;
  46 import jdk.test.lib.Asserts;
  47 import sun.hotspot.code.NMethod;
  48 
  49 import java.util.List;
  50 import jdk.test.lib.Utils;
  51 
  52 public class DisassembleCodeBlobTest {
  53 
  54     public static void main(String[] args) {
  55         DisassembleCodeBlobTest test
  56                 = new DisassembleCodeBlobTest();
  57         List<CompileCodeTestCase> testCases
  58                 = CompileCodeTestCase.generate(/* bci = */ -1);
  59         testCases.addAll(CompileCodeTestCase.generate(/* bci = */ 0));
  60         testCases.forEach(test::check);
  61         testCases.stream().findAny().ifPresent(test::checkZero);
  62         test.checkNull();
  63     }
  64 
  65     private void checkNull() {
  66         Utils.runAndCheckException(
  67                 () -> CompilerToVMHelper.disassembleCodeBlob(null),
  68                 NullPointerException.class);
  69     }
  70     
  71     private void checkZero(CompileCodeTestCase testCase) {
  72         System.out.println("checkZero for " + testCase);
  73         testCase.deoptimize();
  74         InstalledCode installedCode = testCase.toInstalledCode();
  75         String str = CompilerToVMHelper.disassembleCodeBlob(installedCode);
  76         Asserts.assertNull(str, testCase
  77                 + " : non-null return value for invalid installCode");
  78     }
  79 
  80     private void check(CompileCodeTestCase testCase) {
  81         System.out.println(testCase);
  82         // to have a clean state
  83         NMethod nMethod = testCase.deoptimizeAndCompile();
  84         if (nMethod == null) {
  85             throw new Error(testCase + " : method is not compiled");
  86         }
  87         InstalledCode installedCode = testCase.toInstalledCode(); 
  88         String str = CompilerToVMHelper.disassembleCodeBlob(installedCode);
  89         if (str != null) {
  90             Asserts.assertGT(str.length(), 0,
  91                    testCase +  " : returned string has to be non-zero length");
  92         }
  93         String str2 = CompilerToVMHelper.disassembleCodeBlob(installedCode);
  94         Asserts.assertEQ(str, str2,
  95                 testCase + " : 2nd invocation returned different value");
  96     }
  97 }