35 * sun.hotspot.WhiteBox
36 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
37 * sun.hotspot.WhiteBox$WhiteBoxPermission
38 * @run main/othervm -Xbootclasspath/a:.
39 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
40 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
41 * compiler.jvmci.compilerToVM.GetResolvedJavaMethodTest
42 */
43
44 package compiler.jvmci.compilerToVM;
45
46 import jdk.internal.misc.Unsafe;
47 import jdk.test.lib.Asserts;
48 import jdk.test.lib.unsafe.UnsafeHelper;
49 import jdk.vm.ci.hotspot.CompilerToVMHelper;
50 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
51 import jdk.vm.ci.hotspot.PublicMetaspaceWrapperObject;
52 import sun.hotspot.WhiteBox;
53
54 import java.lang.reflect.Field;
55
56 public class GetResolvedJavaMethodTest {
57 private static enum TestCase {
58 NULL_BASE {
59 @Override
60 HotSpotResolvedJavaMethod getResolvedJavaMethod() {
61 return CompilerToVMHelper.getResolvedJavaMethod(
62 null, getPtrToMethod());
63 }
64 },
65 JAVA_METHOD_BASE {
66 @Override
67 HotSpotResolvedJavaMethod getResolvedJavaMethod() {
68 HotSpotResolvedJavaMethod methodInstance
69 = CompilerToVMHelper.getResolvedJavaMethodAtSlot(
70 TEST_CLASS, 0);
71 try {
72 METASPACE_METHOD_FIELD.set(methodInstance,
73 getPtrToMethod());
74 } catch (ReflectiveOperationException e) {
75 throw new Error("TEST BUG : " + e, e);
76 }
77 return CompilerToVMHelper.getResolvedJavaMethod(
78 methodInstance, 0L);
79 }
80 },
81 JAVA_METHOD_BASE_IN_TWO {
82 @Override
83 HotSpotResolvedJavaMethod getResolvedJavaMethod() {
84 long ptr = getPtrToMethod();
85 HotSpotResolvedJavaMethod methodInstance
86 = CompilerToVMHelper.getResolvedJavaMethodAtSlot(
87 TEST_CLASS, 0);
88 try {
89 METASPACE_METHOD_FIELD.set(methodInstance, ptr / 2L);
90 } catch (ReflectiveOperationException e) {
91 throw new Error("TESTBUG : " + e, e);
92 }
93 return CompilerToVMHelper.getResolvedJavaMethod(methodInstance,
94 ptr - ptr / 2L);
95 }
96 },
97 JAVA_METHOD_BASE_ZERO {
98 @Override
99 HotSpotResolvedJavaMethod getResolvedJavaMethod() {
100 long ptr = getPtrToMethod();
101 HotSpotResolvedJavaMethod methodInstance
102 = CompilerToVMHelper.getResolvedJavaMethodAtSlot(
103 TEST_CLASS, 0);
104 try {
105 METASPACE_METHOD_FIELD.set(methodInstance, 0L);
106 } catch (ReflectiveOperationException e) {
107 throw new Error("TESTBUG : " + e, e);
108 }
109 return CompilerToVMHelper.getResolvedJavaMethod(methodInstance,
110 ptr);
111 }
112 }
113 ;
114 abstract HotSpotResolvedJavaMethod getResolvedJavaMethod();
115 }
116
117 private static final Unsafe UNSAFE = UnsafeHelper.getUnsafe();
118 private static final WhiteBox WB = WhiteBox.getWhiteBox();
119 private static final Field METASPACE_METHOD_FIELD;
120 private static final Class<?> TEST_CLASS = GetResolvedJavaMethodTest.class;
121 private static final long PTR;
122 static {
123 HotSpotResolvedJavaMethod method
124 = CompilerToVMHelper.getResolvedJavaMethodAtSlot(TEST_CLASS, 0);
125 try {
126 // jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl.metaspaceMethod
127 METASPACE_METHOD_FIELD = method.getClass()
128 .getDeclaredField("metaspaceMethod");
129 METASPACE_METHOD_FIELD.setAccessible(true);
130 PTR = (long) METASPACE_METHOD_FIELD.get(method);
131 } catch (ReflectiveOperationException e) {
132 throw new Error("TESTBUG : " + e, e);
133 }
134
135 }
136
137 private static long getPtrToMethod() {
138 Field field;
139 try {
140 field = TEST_CLASS.getDeclaredField("PTR");
141 } catch (NoSuchFieldException e) {
142 throw new Error("TEST BUG : " + e, e);
143 }
144 Object base = UNSAFE.staticFieldBase(field);
145 return WB.getObjectAddress(base) + UNSAFE.staticFieldOffset(field);
146 }
147
148 public void test(TestCase testCase) {
149 System.out.println(testCase.name());
150 HotSpotResolvedJavaMethod result = testCase.getResolvedJavaMethod();
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35 * sun.hotspot.WhiteBox
36 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
37 * sun.hotspot.WhiteBox$WhiteBoxPermission
38 * @run main/othervm -Xbootclasspath/a:.
39 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
40 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
41 * compiler.jvmci.compilerToVM.GetResolvedJavaMethodTest
42 */
43
44 package compiler.jvmci.compilerToVM;
45
46 import jdk.internal.misc.Unsafe;
47 import jdk.test.lib.Asserts;
48 import jdk.test.lib.unsafe.UnsafeHelper;
49 import jdk.vm.ci.hotspot.CompilerToVMHelper;
50 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
51 import jdk.vm.ci.hotspot.PublicMetaspaceWrapperObject;
52 import sun.hotspot.WhiteBox;
53
54 import java.lang.reflect.Field;
55 import java.lang.reflect.Method;
56
57 public class GetResolvedJavaMethodTest {
58 private static enum TestCase {
59 NULL_BASE {
60 @Override
61 HotSpotResolvedJavaMethod getResolvedJavaMethod() {
62 return CompilerToVMHelper.getResolvedJavaMethod(
63 null, getPtrToMethod());
64 }
65 },
66 JAVA_METHOD_BASE {
67 @Override
68 HotSpotResolvedJavaMethod getResolvedJavaMethod() {
69 HotSpotResolvedJavaMethod methodInstance = TEST_METHOD;
70 try {
71 METASPACE_METHOD_FIELD.set(methodInstance,
72 getPtrToMethod());
73 } catch (ReflectiveOperationException e) {
74 throw new Error("TEST BUG : " + e, e);
75 }
76 return CompilerToVMHelper.getResolvedJavaMethod(
77 methodInstance, 0L);
78 }
79 },
80 JAVA_METHOD_BASE_IN_TWO {
81 @Override
82 HotSpotResolvedJavaMethod getResolvedJavaMethod() {
83 long ptr = getPtrToMethod();
84 HotSpotResolvedJavaMethod methodInstance = TEST_METHOD;
85 try {
86 METASPACE_METHOD_FIELD.set(methodInstance, ptr / 2L);
87 } catch (ReflectiveOperationException e) {
88 throw new Error("TESTBUG : " + e, e);
89 }
90 return CompilerToVMHelper.getResolvedJavaMethod(methodInstance,
91 ptr - ptr / 2L);
92 }
93 },
94 JAVA_METHOD_BASE_ZERO {
95 @Override
96 HotSpotResolvedJavaMethod getResolvedJavaMethod() {
97 long ptr = getPtrToMethod();
98 HotSpotResolvedJavaMethod methodInstance = TEST_METHOD;
99 try {
100 METASPACE_METHOD_FIELD.set(methodInstance, 0L);
101 } catch (ReflectiveOperationException e) {
102 throw new Error("TESTBUG : " + e, e);
103 }
104 return CompilerToVMHelper.getResolvedJavaMethod(methodInstance,
105 ptr);
106 }
107 }
108 ;
109 abstract HotSpotResolvedJavaMethod getResolvedJavaMethod();
110 }
111
112 private static final Unsafe UNSAFE = UnsafeHelper.getUnsafe();
113 private static final WhiteBox WB = WhiteBox.getWhiteBox();
114 private static final Field METASPACE_METHOD_FIELD;
115 private static final Class<?> TEST_CLASS = GetResolvedJavaMethodTest.class;
116 private static final HotSpotResolvedJavaMethod TEST_METHOD;
117 private static final long PTR;
118 static {
119 try {
120 Method method = TEST_CLASS.getDeclaredMethod("test", TestCase.class);
121 TEST_METHOD = CompilerToVMHelper.asResolvedJavaMethod(method);
122 } catch (NoSuchMethodException e) {
123 throw new Error("TESTBUG : " + e, e);
124 }
125 try {
126 // jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl.metaspaceMethod
127 METASPACE_METHOD_FIELD = TEST_METHOD.getClass()
128 .getDeclaredField("metaspaceMethod");
129 METASPACE_METHOD_FIELD.setAccessible(true);
130 PTR = (long) METASPACE_METHOD_FIELD.get(TEST_METHOD);
131 } catch (ReflectiveOperationException e) {
132 throw new Error("TESTBUG : " + e, e);
133 }
134
135 }
136
137 private static long getPtrToMethod() {
138 Field field;
139 try {
140 field = TEST_CLASS.getDeclaredField("PTR");
141 } catch (NoSuchFieldException e) {
142 throw new Error("TEST BUG : " + e, e);
143 }
144 Object base = UNSAFE.staticFieldBase(field);
145 return WB.getObjectAddress(base) + UNSAFE.staticFieldOffset(field);
146 }
147
148 public void test(TestCase testCase) {
149 System.out.println(testCase.name());
150 HotSpotResolvedJavaMethod result = testCase.getResolvedJavaMethod();
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