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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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14
hotspot/src/share/vm/runtime/synchronizer.cpp
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@ -154,7 +154,7 @@ int ObjectSynchronizer::gOmInUseCount = 0;
static volatile intptr_t ListLock = 0 ; // protects global monitor free-list cache
static volatile int MonitorFreeCount = 0 ; // # on gFreeList
static volatile int MonitorPopulation = 0 ; // # Extant -- in circulation
#define CHAINMARKER ((oop)-1)
#define CHAINMARKER (cast_to_oop<intptr_t>(-1))
// -----------------------------------------------------------------------------
// Fast Monitor Enter/Exit
@ -510,7 +510,7 @@ static markOop ReadStableMark (oop obj) {
// then for each thread on the list, set the flag and unpark() the thread.
// This is conceptually similar to muxAcquire-muxRelease, except that muxRelease
// wakes at most one thread whereas we need to wake the entire list.
int ix = (intptr_t(obj) >> 5) & (NINFLATIONLOCKS-1) ;
int ix = (cast_from_oop<intptr_t>(obj) >> 5) & (NINFLATIONLOCKS-1) ;
int YieldThenBlock = 0 ;
assert (ix >= 0 && ix < NINFLATIONLOCKS, "invariant") ;
assert ((NINFLATIONLOCKS & (NINFLATIONLOCKS-1)) == 0, "invariant") ;
@ -565,7 +565,7 @@ static inline intptr_t get_next_hash(Thread * Self, oop obj) {
// This variation has the property of being stable (idempotent)
// between STW operations. This can be useful in some of the 1-0
// synchronization schemes.
intptr_t addrBits = intptr_t(obj) >> 3 ;
intptr_t addrBits = cast_from_oop<intptr_t>(obj) >> 3 ;
value = addrBits ^ (addrBits >> 5) ^ GVars.stwRandom ;
} else
if (hashCode == 2) {
@ -575,7 +575,7 @@ static inline intptr_t get_next_hash(Thread * Self, oop obj) {
value = ++GVars.hcSequence ;
} else
if (hashCode == 4) {
value = intptr_t(obj) ;
value = cast_from_oop<intptr_t>(obj) ;
} else {
// Marsaglia's xor-shift scheme with thread-specific state
// This is probably the best overall implementation -- we'll
@ -1321,7 +1321,7 @@ ObjectMonitor * ATTR ObjectSynchronizer::inflate (Thread * Self, oop object) {
if (object->is_instance()) {
ResourceMark rm;
tty->print_cr("Inflating object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s",
(intptr_t) object, (intptr_t) object->mark(),
(void *) object, (intptr_t) object->mark(),
object->klass()->external_name());
}
}
@ -1371,7 +1371,7 @@ ObjectMonitor * ATTR ObjectSynchronizer::inflate (Thread * Self, oop object) {
if (object->is_instance()) {
ResourceMark rm;
tty->print_cr("Inflating object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s",
(intptr_t) object, (intptr_t) object->mark(),
(void *) object, (intptr_t) object->mark(),
object->klass()->external_name());
}
}
@ -1439,7 +1439,7 @@ bool ObjectSynchronizer::deflate_monitor(ObjectMonitor* mid, oop obj,
if (obj->is_instance()) {
ResourceMark rm;
tty->print_cr("Deflating object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s",
(intptr_t) obj, (intptr_t) obj->mark(), obj->klass()->external_name());
(void *) obj, (intptr_t) obj->mark(), obj->klass()->external_name());
}
}