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7195622: CheckUnhandledOops has limited usefulness now

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Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.

Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
This commit is contained in:
Lois Foltan 2013-09-26 10:25:02 -04:00 • committed by Harold Seigel
parent 18550f7774
commit 7bf953d005
62 changed files with 208 additions and 173 deletions
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6
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
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@ -9065,7 +9065,7 @@ bool CMSCollector::take_from_overflow_list(size_t num, CMSMarkStack* stack) {
return !stack->isEmpty();
}
#define BUSY (oop(0x1aff1aff))
#define BUSY (cast_to_oop<intptr_t>(0x1aff1aff))
// (MT-safe) Get a prefix of at most "num" from the list.
// The overflow list is chained through the mark word of
// each object in the list. We fetch the entire list,
@ -9098,7 +9098,7 @@ bool CMSCollector::par_take_from_overflow_list(size_t num,
return false;
}
// Grab the entire list; we'll put back a suffix
oop prefix = (oop)Atomic::xchg_ptr(BUSY, &_overflow_list);
oop prefix = cast_to_oop(Atomic::xchg_ptr(BUSY, &_overflow_list));
Thread* tid = Thread::current();
// Before "no_of_gc_threads" was introduced CMSOverflowSpinCount was
// set to ParallelGCThreads.
@ -9113,7 +9113,7 @@ bool CMSCollector::par_take_from_overflow_list(size_t num,
return false;
} else if (_overflow_list != BUSY) {
// Try and grab the prefix
prefix = (oop)Atomic::xchg_ptr(BUSY, &_overflow_list);
prefix = cast_to_oop(Atomic::xchg_ptr(BUSY, &_overflow_list));
}
}
// If the list was found to be empty, or we spun long