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8026025: JVM_GetCallerClass allows Reflection.getCallerClass(int depth) to use

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Reviewed-by: alanb, dholmes, twisti
This commit is contained in:
Mandy Chung 2013-10-08 02:56:06 -04:00 • committed by David Holmes
parent 088ded71f9
commit f9f9dd164a
2 changed files with 7 additions and 5 deletions
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9
hotspot/src/share/vm/prims/jvm.cpp
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@ -668,13 +668,12 @@ JVM_END
JVM_ENTRY(jclass, JVM_GetCallerClass(JNIEnv* env, int depth))
JVMWrapper("JVM_GetCallerClass");
// Pre-JDK 8 and early builds of JDK 8 don't have a CallerSensitive annotation.
if (SystemDictionary::reflect_CallerSensitive_klass() == NULL) {
// Pre-JDK 8 and early builds of JDK 8 don't have a CallerSensitive annotation; or
// sun.reflect.Reflection.getCallerClass with a depth parameter is provided
// temporarily for existing code to use until a replacement API is defined.
if (SystemDictionary::reflect_CallerSensitive_klass() == NULL || depth != JVM_CALLER_DEPTH) {
Klass* k = thread->security_get_caller_class(depth);
return (k == NULL) ? NULL : (jclass) JNIHandles::make_local(env, k->java_mirror());
} else {
// Basic handshaking with Java_sun_reflect_Reflection_getCallerClass
assert(depth == -1, "wrong handshake depth");
}
// Getting the class of the caller frame.