36 * @author John Rose, JSR 292 EG
37 */
38 /*non-public*/ class MethodHandleStatics {
39
40 private MethodHandleStatics() { } // do not instantiate
41
42 static final Unsafe UNSAFE = Unsafe.getUnsafe();
43
44 static final boolean DEBUG_METHOD_HANDLE_NAMES;
45 static final boolean DUMP_CLASS_FILES;
46 static final boolean TRACE_INTERPRETER;
47 static final boolean TRACE_METHOD_LINKAGE;
48 static final int COMPILE_THRESHOLD;
49 static final int DONT_INLINE_THRESHOLD;
50 static final int PROFILE_LEVEL;
51 static final boolean PROFILE_GWT;
52 static final int CUSTOMIZE_THRESHOLD;
53
54 static {
55 final Object[] values = new Object[9];
56 AccessController.doPrivileged(new PrivilegedAction<Void>() {
57 public Void run() {
58 values[0] = Boolean.getBoolean("java.lang.invoke.MethodHandle.DEBUG_NAMES");
59 values[1] = Boolean.getBoolean("java.lang.invoke.MethodHandle.DUMP_CLASS_FILES");
60 values[2] = Boolean.getBoolean("java.lang.invoke.MethodHandle.TRACE_INTERPRETER");
61 values[3] = Boolean.getBoolean("java.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE");
62 values[4] = Integer.getInteger("java.lang.invoke.MethodHandle.COMPILE_THRESHOLD", 0);
63 values[5] = Integer.getInteger("java.lang.invoke.MethodHandle.DONT_INLINE_THRESHOLD", 30);
64 values[6] = Integer.getInteger("java.lang.invoke.MethodHandle.PROFILE_LEVEL", 0);
65 values[7] = Boolean.parseBoolean(System.getProperty("java.lang.invoke.MethodHandle.PROFILE_GWT", "true"));
66 values[8] = Integer.getInteger("java.lang.invoke.MethodHandle.CUSTOMIZE_THRESHOLD", 127);
67 return null;
68 }
69 });
70 DEBUG_METHOD_HANDLE_NAMES = (Boolean) values[0];
71 DUMP_CLASS_FILES = (Boolean) values[1];
72 TRACE_INTERPRETER = (Boolean) values[2];
73 TRACE_METHOD_LINKAGE = (Boolean) values[3];
74 COMPILE_THRESHOLD = (Integer) values[4];
75 DONT_INLINE_THRESHOLD = (Integer) values[5];
76 PROFILE_LEVEL = (Integer) values[6];
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36 * @author John Rose, JSR 292 EG
37 */
38 /*non-public*/ class MethodHandleStatics {
39
40 private MethodHandleStatics() { } // do not instantiate
41
42 static final Unsafe UNSAFE = Unsafe.getUnsafe();
43
44 static final boolean DEBUG_METHOD_HANDLE_NAMES;
45 static final boolean DUMP_CLASS_FILES;
46 static final boolean TRACE_INTERPRETER;
47 static final boolean TRACE_METHOD_LINKAGE;
48 static final int COMPILE_THRESHOLD;
49 static final int DONT_INLINE_THRESHOLD;
50 static final int PROFILE_LEVEL;
51 static final boolean PROFILE_GWT;
52 static final int CUSTOMIZE_THRESHOLD;
53
54 static {
55 final Object[] values = new Object[9];
56 AccessController.doPrivileged(new PrivilegedAction<>() {
57 public Void run() {
58 values[0] = Boolean.getBoolean("java.lang.invoke.MethodHandle.DEBUG_NAMES");
59 values[1] = Boolean.getBoolean("java.lang.invoke.MethodHandle.DUMP_CLASS_FILES");
60 values[2] = Boolean.getBoolean("java.lang.invoke.MethodHandle.TRACE_INTERPRETER");
61 values[3] = Boolean.getBoolean("java.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE");
62 values[4] = Integer.getInteger("java.lang.invoke.MethodHandle.COMPILE_THRESHOLD", 0);
63 values[5] = Integer.getInteger("java.lang.invoke.MethodHandle.DONT_INLINE_THRESHOLD", 30);
64 values[6] = Integer.getInteger("java.lang.invoke.MethodHandle.PROFILE_LEVEL", 0);
65 values[7] = Boolean.parseBoolean(System.getProperty("java.lang.invoke.MethodHandle.PROFILE_GWT", "true"));
66 values[8] = Integer.getInteger("java.lang.invoke.MethodHandle.CUSTOMIZE_THRESHOLD", 127);
67 return null;
68 }
69 });
70 DEBUG_METHOD_HANDLE_NAMES = (Boolean) values[0];
71 DUMP_CLASS_FILES = (Boolean) values[1];
72 TRACE_INTERPRETER = (Boolean) values[2];
73 TRACE_METHOD_LINKAGE = (Boolean) values[3];
74 COMPILE_THRESHOLD = (Integer) values[4];
75 DONT_INLINE_THRESHOLD = (Integer) values[5];
76 PROFILE_LEVEL = (Integer) values[6];
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