35 * compiler.jvmci.common.CTVMUtilities 36 * jdk.test.lib.Utils 37 * jdk.test.lib.Asserts 38 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 39 * -Xbootclasspath/a:. compiler.jvmci.compilerToVM.GetSymbolTest 40 */ 41 42 package compiler.jvmci.compilerToVM; 43 44 import jdk.vm.ci.hotspot.CompilerToVMHelper; 45 import compiler.jvmci.common.CTVMUtilities; 46 import compiler.jvmci.common.testcases.SingleImplementer; 47 import java.lang.reflect.Field; 48 import java.lang.reflect.Member; 49 import java.lang.reflect.Method; 50 import java.util.ArrayList; 51 import java.util.List; 52 import java.util.function.Function; 53 import java.util.stream.Collectors; 54 import java.util.stream.Stream; 55 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; 56 import jdk.vm.ci.meta.ConstantPool; 57 import jdk.test.lib.Utils; 58 59 public class GetSymbolTest { 60 private static final int CONSTANT_POOL_UTF8_TAG = 1; // see jvms, section 4.4 61 62 private static final Function<Member[], List<String>> NAMES = members -> 63 Stream.of(members) 64 .map(Member::getName) 65 .collect(Collectors.toList()); 66 67 public static void main(String[] args) { 68 new GetSymbolTest().test(SingleImplementer.class); 69 } 70 71 private void test(Class<?> aClass) { 72 Utils.ensureClassIsLoaded(aClass); 73 Method method; 74 try { 75 method = aClass.getDeclaredMethod("nonInterfaceMethod"); 76 } catch (NoSuchMethodException e) { 77 throw new Error("TEST BUG: can't find test method", e); 78 } 79 HotSpotResolvedJavaMethodImpl resolvedMethod 80 = CTVMUtilities.getResolvedMethod(aClass, method); 81 List<String> symbols; 82 try { 83 symbols = getSymbols(resolvedMethod); 84 } catch (ReflectiveOperationException e) { 85 throw new Error("TEST BUG: can't access private members", e); 86 } 87 List<String> classSymbols = new ArrayList<>(); 88 classSymbols.addAll(NAMES.apply(aClass.getDeclaredFields())); 89 classSymbols.addAll(NAMES.apply(aClass.getDeclaredMethods())); 90 // Check that all members of test class have symbols from constant pool 91 for (String s : classSymbols) { 92 if (!symbols.contains(s)) { 93 // failed. print all symbols found by getSymbol 94 System.out.println("getSymbol data:"); 95 for (String ctvmValue : symbols) { 96 System.out.println(ctvmValue); 97 } 98 throw new AssertionError("Unable to find symbol " + s 99 + " using CompilerToVM.getSymbol"); 100 } 101 } 102 } 103 104 private List<String> getSymbols(HotSpotResolvedJavaMethodImpl 105 metaspaceMethod) throws ReflectiveOperationException { 106 List<String> symbols = new ArrayList<>(); 107 ConstantPool pool = metaspaceMethod.getConstantPool(); 108 long length = pool.length(); 109 // jvms-4.1: The constant_pool table is indexed from 1 ... 110 for (int i = 1; i < length; i++) { 111 if (getTag(pool, i) == CONSTANT_POOL_UTF8_TAG) { 112 long entryPointer; 113 Method getEntryAt = pool.getClass() 114 .getDeclaredMethod("getEntryAt", int.class); 115 getEntryAt.setAccessible(true); 116 entryPointer = (Long) getEntryAt.invoke(pool, i); 117 String symbol = CompilerToVMHelper.getSymbol(entryPointer); 118 symbols.add(symbol); 119 } 120 } 121 return symbols; 122 } 123 124 private int getTag(ConstantPool pool, int index) | 35 * compiler.jvmci.common.CTVMUtilities 36 * jdk.test.lib.Utils 37 * jdk.test.lib.Asserts 38 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 39 * -Xbootclasspath/a:. compiler.jvmci.compilerToVM.GetSymbolTest 40 */ 41 42 package compiler.jvmci.compilerToVM; 43 44 import jdk.vm.ci.hotspot.CompilerToVMHelper; 45 import compiler.jvmci.common.CTVMUtilities; 46 import compiler.jvmci.common.testcases.SingleImplementer; 47 import java.lang.reflect.Field; 48 import java.lang.reflect.Member; 49 import java.lang.reflect.Method; 50 import java.util.ArrayList; 51 import java.util.List; 52 import java.util.function.Function; 53 import java.util.stream.Collectors; 54 import java.util.stream.Stream; 55 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 56 import jdk.vm.ci.meta.ConstantPool; 57 import jdk.test.lib.Utils; 58 59 public class GetSymbolTest { 60 private static final int CONSTANT_POOL_UTF8_TAG = 1; // see jvms, section 4.4 61 62 private static final Function<Member[], List<String>> NAMES = members -> 63 Stream.of(members) 64 .map(Member::getName) 65 .collect(Collectors.toList()); 66 67 public static void main(String[] args) { 68 new GetSymbolTest().test(SingleImplementer.class); 69 } 70 71 private void test(Class<?> aClass) { 72 Utils.ensureClassIsLoaded(aClass); 73 Method method; 74 try { 75 method = aClass.getDeclaredMethod("nonInterfaceMethod"); 76 } catch (NoSuchMethodException e) { 77 throw new Error("TEST BUG: can't find test method", e); 78 } 79 HotSpotResolvedJavaMethod resolvedMethod 80 = CTVMUtilities.getResolvedMethod(aClass, method); 81 List<String> symbols; 82 try { 83 symbols = getSymbols(resolvedMethod); 84 } catch (ReflectiveOperationException e) { 85 throw new Error("TEST BUG: can't access private members", e); 86 } 87 List<String> classSymbols = new ArrayList<>(); 88 classSymbols.addAll(NAMES.apply(aClass.getDeclaredFields())); 89 classSymbols.addAll(NAMES.apply(aClass.getDeclaredMethods())); 90 // Check that all members of test class have symbols from constant pool 91 for (String s : classSymbols) { 92 if (!symbols.contains(s)) { 93 // failed. print all symbols found by getSymbol 94 System.out.println("getSymbol data:"); 95 for (String ctvmValue : symbols) { 96 System.out.println(ctvmValue); 97 } 98 throw new AssertionError("Unable to find symbol " + s 99 + " using CompilerToVM.getSymbol"); 100 } 101 } 102 } 103 104 private List<String> getSymbols(HotSpotResolvedJavaMethod 105 metaspaceMethod) throws ReflectiveOperationException { 106 List<String> symbols = new ArrayList<>(); 107 ConstantPool pool = metaspaceMethod.getConstantPool(); 108 long length = pool.length(); 109 // jvms-4.1: The constant_pool table is indexed from 1 ... 110 for (int i = 1; i < length; i++) { 111 if (getTag(pool, i) == CONSTANT_POOL_UTF8_TAG) { 112 long entryPointer; 113 Method getEntryAt = pool.getClass() 114 .getDeclaredMethod("getEntryAt", int.class); 115 getEntryAt.setAccessible(true); 116 entryPointer = (Long) getEntryAt.invoke(pool, i); 117 String symbol = CompilerToVMHelper.getSymbol(entryPointer); 118 symbols.add(symbol); 119 } 120 } 121 return symbols; 122 } 123 124 private int getTag(ConstantPool pool, int index) |