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comparison src/share/vm/prims/unsafe.cpp @ 3901:aa67216400d3

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7085404: JSR 292: VolatileCallSites should have push notification too Reviewed-by: never, kvn
author twisti
date Fri, 02 Sep 2011 00:36:18 -0700
parents 19241ae0d839
children e6b1331a51d2
comparison
equal deleted inserted replaced
3900:a32de5085326 3901:aa67216400d3
300 300
301 UNSAFE_ENTRY(void, Unsafe_SetObjectVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject x_h)) 301 UNSAFE_ENTRY(void, Unsafe_SetObjectVolatile(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jobject x_h))
302 UnsafeWrapper("Unsafe_SetObjectVolatile"); 302 UnsafeWrapper("Unsafe_SetObjectVolatile");
303 oop x = JNIHandles::resolve(x_h); 303 oop x = JNIHandles::resolve(x_h);
304 oop p = JNIHandles::resolve(obj); 304 oop p = JNIHandles::resolve(obj);
305 // Catch VolatileCallSite.target stores (via
306 // CallSite.setTargetVolatile) and check call site dependencies.
307 if ((offset == java_lang_invoke_CallSite::target_offset_in_bytes()) && p->is_a(SystemDictionary::CallSite_klass())) {
308 oop call_site = p;
309 oop method_handle = x;
310 assert(call_site ->is_a(SystemDictionary::CallSite_klass()), "must be");
311 assert(method_handle->is_a(SystemDictionary::MethodHandle_klass()), "must be");
312 {
313 // Walk all nmethods depending on this call site.
314 MutexLocker mu(Compile_lock, thread);
315 Universe::flush_dependents_on(call_site, method_handle);
316 }
317 }
305 void* addr = index_oop_from_field_offset_long(p, offset); 318 void* addr = index_oop_from_field_offset_long(p, offset);
306 OrderAccess::release(); 319 OrderAccess::release();
307 if (UseCompressedOops) { 320 if (UseCompressedOops) {
308 oop_store((narrowOop*)addr, x); 321 oop_store((narrowOop*)addr, x);
309 } else { 322 } else {