--- a/hotspot/make/jprt.properties Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/make/jprt.properties Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
@@ -437,6 +437,7 @@
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_ParallelGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_ParNewGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_CMS, \
+ ${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_G1, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_ParOldGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_default, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_SerialGC, \
--- a/hotspot/src/share/vm/classfile/classFileParser.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/classfile/classFileParser.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -331,7 +331,7 @@
length, CHECK_(nullHandle));
constantPoolOop constant_pool =
oopFactory::new_constantPool(length,
- methodOopDesc::IsSafeConc,
+ oopDesc::IsSafeConc,
CHECK_(nullHandle));
constantPoolHandle cp (THREAD, constant_pool);
@@ -1929,10 +1929,9 @@
}
// All sizing information for a methodOop is finally available, now create it
- methodOop m_oop = oopFactory::new_method(
- code_length, access_flags, linenumber_table_length,
- total_lvt_length, checked_exceptions_length,
- methodOopDesc::IsSafeConc, CHECK_(nullHandle));
+ methodOop m_oop = oopFactory::new_method(code_length, access_flags, linenumber_table_length,
+ total_lvt_length, checked_exceptions_length,
+ oopDesc::IsSafeConc, CHECK_(nullHandle));
methodHandle m (THREAD, m_oop);
ClassLoadingService::add_class_method_size(m_oop->size()*HeapWordSize);
--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1040,9 +1040,10 @@
} else {
// must read from what 'p' points to in each loop.
klassOop k = ((volatile oopDesc*)p)->klass_or_null();
- if (k != NULL &&
- ((oopDesc*)p)->is_parsable() &&
- ((oopDesc*)p)->is_conc_safe()) {
+ // We trust the size of any object that has a non-NULL
+ // klass and (for those in the perm gen) is parsable
+ // -- irrespective of its conc_safe-ty.
+ if (k != NULL && ((oopDesc*)p)->is_parsable()) {
assert(k->is_oop(), "Should really be klass oop.");
oop o = (oop)p;
assert(o->is_oop(), "Should be an oop");
@@ -1051,6 +1052,7 @@
assert(res != 0, "Block size should not be 0");
return res;
} else {
+ // May return 0 if P-bits not present.
return c->block_size_if_printezis_bits(p);
}
}
--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -6360,18 +6360,16 @@
// A variant of the above (block_size_using_printezis_bits()) except
// that we return 0 if the P-bits are not yet set.
size_t CMSCollector::block_size_if_printezis_bits(HeapWord* addr) const {
- if (_markBitMap.isMarked(addr)) {
- assert(_markBitMap.isMarked(addr + 1), "Missing Printezis bit?");
+ if (_markBitMap.isMarked(addr + 1)) {
+ assert(_markBitMap.isMarked(addr), "P-bit can be set only for marked objects");
HeapWord* nextOneAddr = _markBitMap.getNextMarkedWordAddress(addr + 2);
size_t size = pointer_delta(nextOneAddr + 1, addr);
assert(size == CompactibleFreeListSpace::adjustObjectSize(size),
"alignment problem");
assert(size >= 3, "Necessary for Printezis marks to work");
return size;
- } else {
- assert(!_markBitMap.isMarked(addr + 1), "Bit map inconsistency?");
- return 0;
- }
+ }
+ return 0;
}
HeapWord* CMSCollector::next_card_start_after_block(HeapWord* addr) const {
@@ -9212,7 +9210,6 @@
size_t MarkDeadObjectsClosure::do_blk(HeapWord* addr) {
size_t res = _sp->block_size_no_stall(addr, _collector);
- assert(res != 0, "Should always be able to compute a size");
if (_sp->block_is_obj(addr)) {
if (_live_bit_map->isMarked(addr)) {
// It can't have been dead in a previous cycle
@@ -9221,6 +9218,7 @@
_dead_bit_map->mark(addr); // mark the dead object
}
}
+ // Could be 0, if the block size could not be computed without stalling.
return res;
}
--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -132,8 +132,7 @@
VM_GenCollectFullConcurrent(unsigned int gc_count_before,
unsigned int full_gc_count_before,
GCCause::Cause gc_cause)
- : VM_GC_Operation(gc_count_before, full_gc_count_before, true /* full */) {
- _gc_cause = gc_cause;
+ : VM_GC_Operation(gc_count_before, gc_cause, full_gc_count_before, true /* full */) {
assert(FullGCCount_lock != NULL, "Error");
assert(UseAsyncConcMarkSweepGC, "Else will hang caller");
}
--- a/hotspot/src/share/vm/gc_implementation/g1/vm_operations_g1.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/vm_operations_g1.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -44,7 +44,7 @@
public:
VM_G1OperationWithAllocRequest(unsigned int gc_count_before,
size_t word_size)
- : VM_GC_Operation(gc_count_before),
+ : VM_GC_Operation(gc_count_before, GCCause::_allocation_failure),
_word_size(word_size), _result(NULL), _pause_succeeded(false) { }
HeapWord* result() { return _result; }
bool pause_succeeded() { return _pause_succeeded; }
@@ -55,9 +55,7 @@
VM_G1CollectFull(unsigned int gc_count_before,
unsigned int full_gc_count_before,
GCCause::Cause cause)
- : VM_GC_Operation(gc_count_before, full_gc_count_before) {
- _gc_cause = cause;
- }
+ : VM_GC_Operation(gc_count_before, cause, full_gc_count_before) { }
virtual VMOp_Type type() const { return VMOp_G1CollectFull; }
virtual void doit();
virtual const char* name() const {
--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -1196,11 +1196,6 @@
static inline void adjust_pointer(oop* p) { adjust_pointer(p, false); }
static inline void adjust_pointer(narrowOop* p) { adjust_pointer(p, false); }
- template <class T>
- static inline void adjust_pointer(T* p,
- HeapWord* beg_addr,
- HeapWord* end_addr);
-
// Reference Processing
static ReferenceProcessor* const ref_processor() { return _ref_processor; }
@@ -1408,15 +1403,6 @@
return ((HeapWord*) k) >= dense_prefix(perm_space_id);
}
-template <class T>
-inline void PSParallelCompact::adjust_pointer(T* p,
- HeapWord* beg_addr,
- HeapWord* end_addr) {
- if (is_in((HeapWord*)p, beg_addr, end_addr)) {
- adjust_pointer(p);
- }
-}
-
#ifdef ASSERT
inline void
PSParallelCompact::check_new_location(HeapWord* old_addr, HeapWord* new_addr)
--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -34,7 +34,7 @@
// The following methods are used by the parallel scavenge collector
VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t size,
bool is_tlab, unsigned int gc_count) :
- VM_GC_Operation(gc_count),
+ VM_GC_Operation(gc_count, GCCause::_allocation_failure),
_size(size),
_is_tlab(is_tlab),
_result(NULL)
@@ -57,7 +57,7 @@
VM_ParallelGCFailedPermanentAllocation::VM_ParallelGCFailedPermanentAllocation(size_t size,
unsigned int gc_count, unsigned int full_gc_count) :
- VM_GC_Operation(gc_count, full_gc_count, true /* full */),
+ VM_GC_Operation(gc_count, GCCause::_allocation_failure, full_gc_count, true /* full */),
_size(size),
_result(NULL)
{
@@ -80,9 +80,8 @@
VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(unsigned int gc_count,
unsigned int full_gc_count,
GCCause::Cause gc_cause) :
- VM_GC_Operation(gc_count, full_gc_count, true /* full */)
+ VM_GC_Operation(gc_count, gc_cause, full_gc_count, true /* full */)
{
- _gc_cause = gc_cause;
}
void VM_ParallelGCSystemGC::doit() {
--- a/hotspot/src/share/vm/gc_implementation/shared/vmGCOperations.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_implementation/shared/vmGCOperations.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -87,6 +87,8 @@
bool VM_GC_Operation::doit_prologue() {
assert(Thread::current()->is_Java_thread(), "just checking");
+ assert(((_gc_cause != GCCause::_no_gc) &&
+ (_gc_cause != GCCause::_no_cause_specified)), "Illegal GCCause");
acquire_pending_list_lock();
// If the GC count has changed someone beat us to the collection
--- a/hotspot/src/share/vm/gc_implementation/shared/vmGCOperations.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_implementation/shared/vmGCOperations.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -85,6 +85,7 @@
public:
VM_GC_Operation(unsigned int gc_count_before,
+ GCCause::Cause _cause,
unsigned int full_gc_count_before = 0,
bool full = false) {
_full = full;
@@ -92,7 +93,7 @@
_gc_count_before = gc_count_before;
// A subclass constructor will likely overwrite the following
- _gc_cause = GCCause::_no_cause_specified;
+ _gc_cause = _cause;
_gc_locked = false;
@@ -136,6 +137,7 @@
VM_GC_HeapInspection(outputStream* out, bool request_full_gc,
bool need_prologue) :
VM_GC_Operation(0 /* total collections, dummy, ignored */,
+ GCCause::_heap_inspection /* GC Cause */,
0 /* total full collections, dummy, ignored */,
request_full_gc) {
_out = out;
@@ -160,7 +162,7 @@
VM_GenCollectForAllocation(size_t size,
bool tlab,
unsigned int gc_count_before)
- : VM_GC_Operation(gc_count_before),
+ : VM_GC_Operation(gc_count_before, GCCause::_allocation_failure),
_size(size),
_tlab(tlab) {
_res = NULL;
@@ -182,9 +184,8 @@
unsigned int full_gc_count_before,
GCCause::Cause gc_cause,
int max_level)
- : VM_GC_Operation(gc_count_before, full_gc_count_before, true /* full */),
- _max_level(max_level)
- { _gc_cause = gc_cause; }
+ : VM_GC_Operation(gc_count_before, gc_cause, full_gc_count_before, true /* full */),
+ _max_level(max_level) { }
~VM_GenCollectFull() {}
virtual VMOp_Type type() const { return VMOp_GenCollectFull; }
virtual void doit();
@@ -199,7 +200,7 @@
unsigned int gc_count_before,
unsigned int full_gc_count_before,
GCCause::Cause gc_cause)
- : VM_GC_Operation(gc_count_before, full_gc_count_before, true),
+ : VM_GC_Operation(gc_count_before, gc_cause, full_gc_count_before, true),
_size(size) {
_res = NULL;
_gc_cause = gc_cause;
--- a/hotspot/src/share/vm/gc_interface/collectedHeap.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_interface/collectedHeap.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -100,8 +100,7 @@
}
}
-void CollectedHeap::check_for_non_bad_heap_word_value(HeapWord* addr, size_t size)
- {
+void CollectedHeap::check_for_non_bad_heap_word_value(HeapWord* addr, size_t size) {
if (CheckMemoryInitialization && ZapUnusedHeapArea) {
for (size_t slot = 0; slot < size; slot += 1) {
assert((*(intptr_t*) (addr + slot)) == ((intptr_t) badHeapWordVal),
--- a/hotspot/src/share/vm/gc_interface/gcCause.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_interface/gcCause.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -92,28 +92,3 @@
}
ShouldNotReachHere();
}
-
-#ifndef PRODUCT
-
-bool GCCause::is_for_full_collection(GCCause::Cause cause) {
- bool result;
-
- // There are more GCCause::Cause types than listed here.
- // For brevity, we list only those that cause full collections.
- switch (cause) {
- case _allocation_failure:
- case _tenured_generation_full:
- case _permanent_generation_full:
- case _cms_generation_full:
- case _last_ditch_collection:
- result = true;
- break;
-
- default:
- result = false;
- break;
- }
- return result;
-}
-
-#endif // PRODUCT
--- a/hotspot/src/share/vm/gc_interface/gcCause.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/gc_interface/gcCause.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -85,8 +85,6 @@
// Return a string describing the GCCause.
static const char* to_string(GCCause::Cause cause);
- // Return true if the GCCause is for a full collection.
- static bool is_for_full_collection(GCCause::Cause cause) PRODUCT_RETURN0;
};
#endif // SHARE_VM_GC_INTERFACE_GCCAUSE_HPP
--- a/hotspot/src/share/vm/interpreter/rewriter.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/interpreter/rewriter.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -67,13 +67,11 @@
// Creates a constant pool cache given a CPC map
-// This creates the constant pool cache initially in a state
-// that is unsafe for concurrent GC processing but sets it to
-// a safe mode before the constant pool cache is returned.
void Rewriter::make_constant_pool_cache(TRAPS) {
const int length = _cp_cache_map.length();
constantPoolCacheOop cache =
- oopFactory::new_constantPoolCache(length, methodOopDesc::IsUnsafeConc, CHECK);
+ oopFactory::new_constantPoolCache(length, CHECK);
+ No_Safepoint_Verifier nsv;
cache->initialize(_cp_cache_map);
// Don't bother with the next pass if there is no JVM_CONSTANT_InvokeDynamic.
--- a/hotspot/src/share/vm/memory/oopFactory.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/memory/oopFactory.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -92,12 +92,21 @@
}
}
-objArrayOop oopFactory::new_system_objArray(int length, TRAPS) {
+objArrayOop oopFactory::new_system_objArray(int length, bool in_perm_gen, TRAPS) {
int size = objArrayOopDesc::object_size(length);
KlassHandle klass (THREAD, Universe::systemObjArrayKlassObj());
- objArrayOop o = (objArrayOop)
- Universe::heap()->permanent_array_allocate(klass, size, length, CHECK_NULL);
+ oop o;
+ if (in_perm_gen) {
+ o = Universe::heap()->permanent_array_allocate(klass, size, length, CHECK_NULL);
+ } else {
+ o = Universe::heap()->array_allocate(klass, size, length, CHECK_NULL);
+ }
// initialization not needed, allocated cleared
+ return (objArrayOop) o;
+}
+
+objArrayOop oopFactory::new_system_objArray(int length, TRAPS) {
+ objArrayOop o = oopFactory::new_system_objArray(length, true, CHECK_NULL);
return o;
}
@@ -111,10 +120,9 @@
constantPoolCacheOop oopFactory::new_constantPoolCache(int length,
- bool is_conc_safe,
TRAPS) {
constantPoolCacheKlass* ck = constantPoolCacheKlass::cast(Universe::constantPoolCacheKlassObj());
- return ck->allocate(length, is_conc_safe, CHECK_NULL);
+ return ck->allocate(length, CHECK_NULL);
}
--- a/hotspot/src/share/vm/memory/oopFactory.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/memory/oopFactory.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -69,7 +69,6 @@
bool is_conc_safe,
TRAPS);
static constantPoolCacheOop new_constantPoolCache(int length,
- bool is_conc_safe,
TRAPS);
// Instance classes
@@ -103,6 +102,7 @@
// System object arrays
static objArrayOop new_system_objArray(int length, TRAPS);
+ static objArrayOop new_system_objArray(int length, bool in_perm_gen, TRAPS);
// Regular object arrays
static objArrayOop new_objArray(klassOop klass, int length, TRAPS);
--- a/hotspot/src/share/vm/oops/arrayKlassKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/arrayKlassKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -128,27 +128,6 @@
}
return klassKlass::oop_update_pointers(cm, obj);
}
-
-int
-arrayKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- assert(obj->is_klass(), "must be klass");
- arrayKlass* ak = arrayKlass::cast(klassOop(obj));
-
- oop* p;
- p = ak->adr_component_mirror();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- p = ak->adr_lower_dimension();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- p = ak->adr_higher_dimension();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
-
- {
- HandleMark hm;
- ak->vtable()->oop_update_pointers(cm, beg_addr, end_addr);
- }
- return klassKlass::oop_update_pointers(cm, obj, beg_addr, end_addr);
-}
#endif // SERIALGC
// Printing
--- a/hotspot/src/share/vm/oops/compiledICHolderKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/compiledICHolderKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -145,21 +145,6 @@
PSParallelCompact::adjust_pointer(c->adr_holder_klass());
return c->object_size();
}
-
-int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm,
- oop obj,
- HeapWord* beg_addr,
- HeapWord* end_addr) {
- assert(obj->is_compiledICHolder(), "must be compiledICHolder");
- compiledICHolderOop c = compiledICHolderOop(obj);
-
- oop* p;
- p = c->adr_holder_method();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- p = c->adr_holder_klass();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- return c->object_size();
-}
#endif // SERIALGC
// Printing
--- a/hotspot/src/share/vm/oops/constMethodKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/constMethodKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -184,21 +184,6 @@
}
return cm_oop->object_size();
}
-
-int constMethodKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr,
- HeapWord* end_addr) {
- assert(obj->is_constMethod(), "should be constMethod");
- constMethodOop cm_oop = constMethodOop(obj);
-
- oop* const beg_oop = MAX2((oop*)beg_addr, cm_oop->oop_block_beg());
- oop* const end_oop = MIN2((oop*)end_addr, cm_oop->oop_block_end());
- for (oop* cur_oop = beg_oop; cur_oop < end_oop; ++cur_oop) {
- PSParallelCompact::adjust_pointer(cur_oop);
- }
-
- return cm_oop->object_size();
-}
#endif // SERIALGC
// Printing
--- a/hotspot/src/share/vm/oops/constantPoolKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/constantPoolKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -55,26 +55,35 @@
constantPoolOop constantPoolKlass::allocate(int length, bool is_conc_safe, TRAPS) {
int size = constantPoolOopDesc::object_size(length);
KlassHandle klass (THREAD, as_klassOop());
- constantPoolOop c =
- (constantPoolOop)CollectedHeap::permanent_obj_allocate(klass, size, CHECK_NULL);
+ assert(klass()->is_oop(), "Can't be null, else handlizing of c below won't work");
+ constantPoolHandle pool;
+ {
+ constantPoolOop c =
+ (constantPoolOop)CollectedHeap::permanent_obj_allocate(klass, size, CHECK_NULL);
+ assert(c->klass_or_null() != NULL, "Handlizing below won't work");
+ pool = constantPoolHandle(THREAD, c);
+ }
- c->set_length(length);
- c->set_tags(NULL);
- c->set_cache(NULL);
- c->set_operands(NULL);
- c->set_pool_holder(NULL);
- c->set_flags(0);
+ pool->set_length(length);
+ pool->set_tags(NULL);
+ pool->set_cache(NULL);
+ pool->set_operands(NULL);
+ pool->set_pool_holder(NULL);
+ pool->set_flags(0);
// only set to non-zero if constant pool is merged by RedefineClasses
- c->set_orig_length(0);
+ pool->set_orig_length(0);
// if constant pool may change during RedefineClasses, it is created
// unsafe for GC concurrent processing.
- c->set_is_conc_safe(is_conc_safe);
+ pool->set_is_conc_safe(is_conc_safe);
// all fields are initialized; needed for GC
+ // Note: because we may be in this "conc_unsafe" state when allocating
+ // t_oop below, which may in turn cause a GC, it is imperative that our
+ // size be correct, consistent and henceforth stable, at this stage.
+ assert(pool->is_oop() && pool->is_parsable(), "Else size() below is unreliable");
+ assert(size == pool->size(), "size() is wrong");
+
// initialize tag array
- // Note: cannot introduce constant pool handle before since it is not
- // completely initialized (no class) -> would cause assertion failure
- constantPoolHandle pool (THREAD, c);
typeArrayOop t_oop = oopFactory::new_permanent_byteArray(length, CHECK_NULL);
typeArrayHandle tags (THREAD, t_oop);
for (int index = 0; index < length; index++) {
@@ -82,6 +91,8 @@
}
pool->set_tags(tags());
+ // Check that our size was stable at its old value.
+ assert(size == pool->size(), "size() changed");
return pool();
}
@@ -271,40 +282,6 @@
return cp->object_size();
}
-int
-constantPoolKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- assert (obj->is_constantPool(), "obj must be constant pool");
- constantPoolOop cp = (constantPoolOop) obj;
-
- // If the tags array is null we are in the middle of allocating this constant
- // pool.
- if (cp->tags() != NULL) {
- oop* base = (oop*)cp->base();
- oop* const beg_oop = MAX2((oop*)beg_addr, base);
- oop* const end_oop = MIN2((oop*)end_addr, base + cp->length());
- const size_t beg_idx = pointer_delta(beg_oop, base, sizeof(oop*));
- const size_t end_idx = pointer_delta(end_oop, base, sizeof(oop*));
- for (size_t cur_idx = beg_idx; cur_idx < end_idx; ++cur_idx, ++base) {
- if (cp->is_pointer_entry(int(cur_idx))) {
- PSParallelCompact::adjust_pointer(base);
- }
- }
- }
-
- oop* p;
- p = cp->tags_addr();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- p = cp->cache_addr();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- p = cp->operands_addr();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- p = cp->pool_holder_addr();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
-
- return cp->object_size();
-}
-
void constantPoolKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
assert(obj->is_constantPool(), "should be constant pool");
constantPoolOop cp = (constantPoolOop) obj;
--- a/hotspot/src/share/vm/oops/cpCacheKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/cpCacheKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -49,43 +49,31 @@
constantPoolCacheOop constantPoolCacheKlass::allocate(int length,
- bool is_conc_safe,
TRAPS) {
// allocate memory
int size = constantPoolCacheOopDesc::object_size(length);
KlassHandle klass (THREAD, as_klassOop());
- // This is the original code. The code from permanent_obj_allocate()
- // was in-lined to allow the setting of is_conc_safe before the klass
- // is installed.
+ // Commented out below is the original code. The code from
+ // permanent_obj_allocate() was in-lined so that we could
+ // set the _length field, necessary to correctly compute its
+ // size(), before setting its klass word further below.
// constantPoolCacheOop cache = (constantPoolCacheOop)
// CollectedHeap::permanent_obj_allocate(klass, size, CHECK_NULL);
oop obj = CollectedHeap::permanent_obj_allocate_no_klass_install(klass, size, CHECK_NULL);
- constantPoolCacheOop cache = (constantPoolCacheOop) obj;
- cache->set_is_conc_safe(is_conc_safe);
- // The store to is_conc_safe must be visible before the klass
- // is set. This should be done safely because _is_conc_safe has
- // been declared volatile. If there are any problems, consider adding
- // OrderAccess::storestore();
- CollectedHeap::post_allocation_install_obj_klass(klass, obj, size);
NOT_PRODUCT(Universe::heap()->check_for_bad_heap_word_value((HeapWord*) obj,
size));
-
- // The length field affects the size of the object. The allocation
- // above allocates the correct size (see calculation of "size") but
- // the size() method of the constant pool cache oop will not reflect
- // that size until the correct length is set.
- cache->set_length(length);
+ constantPoolCacheOop cache = (constantPoolCacheOop) obj;
+ assert(!UseConcMarkSweepGC || obj->klass_or_null() == NULL,
+ "klass should be NULL here when using CMS");
+ cache->set_length(length); // should become visible before klass is set below.
+ cache->set_constant_pool(NULL);
- // The store of the length must be visible before is_conc_safe is
- // set to a safe state.
- // This should be done safely because _is_conc_safe has
- // been declared volatile. If there are any problems, consider adding
- // OrderAccess::storestore();
- cache->set_is_conc_safe(methodOopDesc::IsSafeConc);
- cache->set_constant_pool(NULL);
+ OrderAccess::storestore();
+ obj->set_klass(klass());
+ assert(cache->size() == size, "Incorrect cache->size()");
return cache;
}
@@ -176,11 +164,6 @@
return size;
}
-bool constantPoolCacheKlass::oop_is_conc_safe(oop obj) const {
- assert(obj->is_constantPoolCache(), "should be constant pool");
- return constantPoolCacheOop(obj)->is_conc_safe();
-}
-
#ifndef SERIALGC
void constantPoolCacheKlass::oop_push_contents(PSPromotionManager* pm,
oop obj) {
@@ -220,25 +203,6 @@
return cache->object_size();
}
-
-int
-constantPoolCacheKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr,
- HeapWord* end_addr) {
- assert(obj->is_constantPoolCache(), "obj must be constant pool cache");
- constantPoolCacheOop cache = (constantPoolCacheOop)obj;
-
- // Iteration over constant pool cache instance variables
- oop* p;
- p = (oop*)cache->constant_pool_addr();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
-
- // Iteration over constant pool cache entries
- for (int i = 0; i < cache->length(); ++i) {
- cache->entry_at(i)->update_pointers(beg_addr, end_addr);
- }
- return cache->object_size();
-}
#endif // SERIALGC
void constantPoolCacheKlass::oop_print_on(oop obj, outputStream* st) {
--- a/hotspot/src/share/vm/oops/cpCacheKlass.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/cpCacheKlass.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -39,7 +39,7 @@
// Allocation
DEFINE_ALLOCATE_PERMANENT(constantPoolCacheKlass);
- constantPoolCacheOop allocate(int length, bool is_conc_safe, TRAPS);
+ constantPoolCacheOop allocate(int length, TRAPS);
static klassOop create_klass(TRAPS);
// Casting from klassOop
@@ -55,7 +55,6 @@
// Garbage collection
void oop_follow_contents(oop obj);
int oop_adjust_pointers(oop obj);
- virtual bool oop_is_conc_safe(oop obj) const;
// Parallel Scavenge and Parallel Old
PARALLEL_GC_DECLS
--- a/hotspot/src/share/vm/oops/cpCacheOop.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/cpCacheOop.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -368,16 +368,6 @@
PSParallelCompact::adjust_pointer((oop*)&_f2);
}
}
-
-void ConstantPoolCacheEntry::update_pointers(HeapWord* beg_addr,
- HeapWord* end_addr) {
- assert(in_words(size()) == 4, "check code below - may need adjustment");
- // field[1] is always oop or NULL
- PSParallelCompact::adjust_pointer((oop*)&_f1, beg_addr, end_addr);
- if (is_vfinal()) {
- PSParallelCompact::adjust_pointer((oop*)&_f2, beg_addr, end_addr);
- }
-}
#endif // SERIALGC
// RedefineClasses() API support:
--- a/hotspot/src/share/vm/oops/cpCacheOop.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/cpCacheOop.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -287,7 +287,6 @@
#endif // SERIALGC
void update_pointers();
- void update_pointers(HeapWord* beg_addr, HeapWord* end_addr);
// RedefineClasses() API support:
// If this constantPoolCacheEntry refers to old_method then update it
@@ -321,9 +320,6 @@
private:
int _length;
constantPoolOop _constant_pool; // the corresponding constant pool
- // If true, safe for concurrent GC processing,
- // Set unconditionally in constantPoolCacheKlass::allocate()
- volatile bool _is_conc_safe;
// Sizing
debug_only(friend class ClassVerifier;)
@@ -390,12 +386,6 @@
return entry_at(primary_index);
}
- // GC support
- // If the _length field has not been set, the size of the
- // constantPoolCache cannot be correctly calculated.
- bool is_conc_safe() { return _is_conc_safe; }
- void set_is_conc_safe(bool v) { _is_conc_safe = v; }
-
// Code generation
static ByteSize base_offset() { return in_ByteSize(sizeof(constantPoolCacheOopDesc)); }
static ByteSize entry_offset(int raw_index) {
--- a/hotspot/src/share/vm/oops/instanceKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/instanceKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -1736,14 +1736,6 @@
PSParallelCompact::adjust_pointer(p), \
assert_nothing)
}
-
-void instanceKlass::update_static_fields(HeapWord* beg_addr, HeapWord* end_addr) {
- InstanceKlass_BOUNDED_OOP_ITERATE( \
- start_of_static_fields(), static_oop_field_size(), \
- beg_addr, end_addr, \
- PSParallelCompact::adjust_pointer(p), \
- assert_nothing )
-}
#endif // SERIALGC
void instanceKlass::oop_follow_contents(oop obj) {
@@ -1876,15 +1868,6 @@
return size_helper();
}
-int instanceKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- InstanceKlass_BOUNDED_OOP_MAP_ITERATE( \
- obj, beg_addr, end_addr, \
- PSParallelCompact::adjust_pointer(p), \
- assert_nothing)
- return size_helper();
-}
-
void instanceKlass::push_static_fields(PSPromotionManager* pm) {
InstanceKlass_OOP_ITERATE( \
start_of_static_fields(), static_oop_field_size(), \
--- a/hotspot/src/share/vm/oops/instanceKlass.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/instanceKlass.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -740,7 +740,6 @@
void follow_static_fields(ParCompactionManager* cm);
void copy_static_fields(ParCompactionManager* cm);
void update_static_fields();
- void update_static_fields(HeapWord* beg_addr, HeapWord* end_addr);
#endif // SERIALGC
// Naming
--- a/hotspot/src/share/vm/oops/instanceKlassKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/instanceKlassKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -353,35 +353,6 @@
return ik->object_size();
}
-int instanceKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr,
- HeapWord* end_addr) {
- assert(obj->is_klass(),"must be a klass");
- assert(klassOop(obj)->klass_part()->oop_is_instance_slow(),
- "must be instance klass");
-
- instanceKlass* ik = instanceKlass::cast(klassOop(obj));
- ik->update_static_fields(beg_addr, end_addr);
- ik->vtable()->oop_update_pointers(cm, beg_addr, end_addr);
- ik->itable()->oop_update_pointers(cm, beg_addr, end_addr);
-
- oop* const beg_oop = MAX2((oop*)beg_addr, ik->oop_block_beg());
- oop* const end_oop = MIN2((oop*)end_addr, ik->oop_block_end());
- for (oop* cur_oop = beg_oop; cur_oop < end_oop; ++cur_oop) {
- PSParallelCompact::adjust_pointer(cur_oop);
- }
-
- // The oop_map_cache, jni_ids and jni_id_map are allocated from the C heap,
- // and so don't lie within any 'Chunk' boundaries. Update them when the
- // lowest addressed oop in the instanceKlass 'oop_block' is updated.
- if (beg_oop == ik->oop_block_beg()) {
- OopClosure* closure = PSParallelCompact::adjust_root_pointer_closure();
- iterate_c_heap_oops(ik, closure);
- }
-
- klassKlass::oop_update_pointers(cm, obj, beg_addr, end_addr);
- return ik->object_size();
-}
#endif // SERIALGC
klassOop
--- a/hotspot/src/share/vm/oops/instanceRefKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/instanceRefKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -344,33 +344,6 @@
}
return size_helper();
}
-
-
-template <class T> void
-specialized_oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- T* p;
- T* referent_addr = p = (T*)java_lang_ref_Reference::referent_addr(obj);
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- T* next_addr = p = (T*)java_lang_ref_Reference::next_addr(obj);
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- T* discovered_addr = p = (T*)java_lang_ref_Reference::discovered_addr(obj);
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- debug_only(trace_reference_gc("instanceRefKlass::oop_update_ptrs", obj,
- referent_addr, next_addr, discovered_addr);)
-}
-
-int
-instanceRefKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- instanceKlass::oop_update_pointers(cm, obj, beg_addr, end_addr);
- if (UseCompressedOops) {
- specialized_oop_update_pointers<narrowOop>(cm, obj, beg_addr, end_addr);
- } else {
- specialized_oop_update_pointers<oop>(cm, obj, beg_addr, end_addr);
- }
- return size_helper();
-}
#endif // SERIALGC
void instanceRefKlass::update_nonstatic_oop_maps(klassOop k) {
--- a/hotspot/src/share/vm/oops/klassKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/klassKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -188,19 +188,6 @@
return oop_size(obj);
}
-
-int klassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- Klass* k = Klass::cast(klassOop(obj));
-
- oop* const beg_oop = MAX2((oop*)beg_addr, k->oop_block_beg());
- oop* const end_oop = MIN2((oop*)end_addr, k->oop_block_end());
- for (oop* cur_oop = beg_oop; cur_oop < end_oop; ++cur_oop) {
- PSParallelCompact::adjust_pointer(cur_oop);
- }
-
- return oop_size(obj);
-}
#endif // SERIALGC
--- a/hotspot/src/share/vm/oops/klassPS.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/klassPS.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -37,17 +37,13 @@
objects that do (or may) cross chunk boundaries; it updates only those \
oops that are in the region [beg_addr, end_addr). */ \
virtual void oop_follow_contents(ParCompactionManager* cm, oop obj); \
- virtual int oop_update_pointers(ParCompactionManager* cm, oop obj); \
- virtual int oop_update_pointers(ParCompactionManager* cm, oop obj, \
- HeapWord* beg_addr, HeapWord* end_addr);
+ virtual int oop_update_pointers(ParCompactionManager* cm, oop obj);
// Pure virtual version for klass.hpp
#define PARALLEL_GC_DECLS_PV \
virtual void oop_push_contents(PSPromotionManager* pm, oop obj) = 0; \
virtual void oop_follow_contents(ParCompactionManager* cm, oop obj) = 0; \
- virtual int oop_update_pointers(ParCompactionManager* cm, oop obj) = 0; \
- virtual int oop_update_pointers(ParCompactionManager* cm, oop obj, \
- HeapWord* beg_addr, HeapWord* end_addr) = 0;
+ virtual int oop_update_pointers(ParCompactionManager* cm, oop obj) = 0;
#else // SERIALGC
#define PARALLEL_GC_DECLS
#define PARALLEL_GC_DECLS_PV
--- a/hotspot/src/share/vm/oops/klassVtable.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/klassVtable.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -677,25 +677,6 @@
PSParallelCompact::adjust_pointer(adr_method_at(i));
}
}
-
-void klassVtable::oop_update_pointers(ParCompactionManager* cm,
- HeapWord* beg_addr, HeapWord* end_addr) {
- const int n = length();
- const int entry_size = vtableEntry::size();
-
- int beg_idx = 0;
- HeapWord* const method_0 = (HeapWord*)adr_method_at(0);
- if (beg_addr > method_0) {
- // it's safe to use cast, as we have guarantees on vtable size to be sane
- beg_idx = int((pointer_delta(beg_addr, method_0) + entry_size - 1) / entry_size);
- }
-
- oop* const beg_oop = adr_method_at(beg_idx);
- oop* const end_oop = MIN2((oop*)end_addr, adr_method_at(n));
- for (oop* cur_oop = beg_oop; cur_oop < end_oop; cur_oop += entry_size) {
- PSParallelCompact::adjust_pointer(cur_oop);
- }
-}
#endif // SERIALGC
// Iterators
@@ -820,25 +801,6 @@
ime++;
}
}
-
-void klassItable::oop_update_pointers(ParCompactionManager* cm,
- HeapWord* beg_addr, HeapWord* end_addr) {
- // offset table
- itableOffsetEntry* ioe = offset_entry(0);
- for(int i = 0; i < _size_offset_table; i++) {
- oop* p = (oop*)&ioe->_interface;
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- ioe++;
- }
-
- // method table
- itableMethodEntry* ime = method_entry(0);
- for(int j = 0; j < _size_method_table; j++) {
- oop* p = (oop*)&ime->_method;
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- ime++;
- }
-}
#endif // SERIALGC
// Iterators
--- a/hotspot/src/share/vm/oops/klassVtable.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/klassVtable.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -99,8 +99,6 @@
// Parallel Old
void oop_follow_contents(ParCompactionManager* cm);
void oop_update_pointers(ParCompactionManager* cm);
- void oop_update_pointers(ParCompactionManager* cm,
- HeapWord* beg_addr, HeapWord* end_addr);
#endif // SERIALGC
// Iterators
@@ -295,8 +293,6 @@
// Parallel Old
void oop_follow_contents(ParCompactionManager* cm);
void oop_update_pointers(ParCompactionManager* cm);
- void oop_update_pointers(ParCompactionManager* cm,
- HeapWord* beg_addr, HeapWord* end_addr);
#endif // SERIALGC
// Iterators
--- a/hotspot/src/share/vm/oops/methodDataKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/methodDataKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -188,25 +188,6 @@
}
return m->object_size();
}
-
-int
-methodDataKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- assert(obj->is_methodData(), "should be method data");
-
- oop* p;
- methodDataOop m = methodDataOop(obj);
-
- p = m->adr_method();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
-
- ResourceMark rm;
- ProfileData* data;
- for (data = m->first_data(); m->is_valid(data); data = m->next_data(data)) {
- data->update_pointers(beg_addr, end_addr);
- }
- return m->object_size();
-}
#endif // SERIALGC
#ifndef PRODUCT
--- a/hotspot/src/share/vm/oops/methodDataOop.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/methodDataOop.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -271,17 +271,6 @@
}
}
}
-
-void ReceiverTypeData::update_pointers(HeapWord* beg_addr, HeapWord* end_addr) {
- // The loop bounds could be computed based on beg_addr/end_addr and the
- // boundary test hoisted outside the loop (see klassVTable for an example);
- // however, row_limit() is small enough (2) to make that less efficient.
- for (uint row = 0; row < row_limit(); row++) {
- if (receiver_unchecked(row) != NULL) {
- PSParallelCompact::adjust_pointer(adr_receiver(row), beg_addr, end_addr);
- }
- }
-}
#endif // SERIALGC
#ifndef PRODUCT
--- a/hotspot/src/share/vm/oops/methodDataOop.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/methodDataOop.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -452,7 +452,6 @@
// Parallel old support
virtual void follow_contents(ParCompactionManager* cm) {}
virtual void update_pointers() {}
- virtual void update_pointers(HeapWord* beg_addr, HeapWord* end_addr) {}
#endif // SERIALGC
// CI translation: ProfileData can represent both MethodDataOop data
@@ -748,7 +747,6 @@
// Parallel old support
virtual void follow_contents(ParCompactionManager* cm);
virtual void update_pointers();
- virtual void update_pointers(HeapWord* beg_addr, HeapWord* end_addr);
#endif // SERIALGC
oop* adr_receiver(uint row) {
--- a/hotspot/src/share/vm/oops/methodKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/methodKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -214,27 +214,6 @@
#endif // COMPILER2
return m->object_size();
}
-
-int methodKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- assert(obj->is_method(), "should be method");
-
- oop* p;
- methodOop m = methodOop(obj);
-
- p = m->adr_constMethod();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- p = m->adr_constants();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
-
-#ifdef COMPILER2
- if (m->method_data() != NULL) {
- p = m->adr_method_data();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- }
-#endif // COMPILER2
- return m->object_size();
-}
#endif // SERIALGC
#ifndef PRODUCT
--- a/hotspot/src/share/vm/oops/methodOop.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/methodOop.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -985,9 +985,11 @@
IsUnsafeConc,
CHECK_(methodHandle()));
methodHandle newm (THREAD, newm_oop);
+ NOT_PRODUCT(int nmsz = newm->is_parsable() ? newm->size() : -1;)
int new_method_size = newm->method_size();
// Create a shallow copy of methodOopDesc part, but be careful to preserve the new constMethodOop
constMethodOop newcm = newm->constMethod();
+ NOT_PRODUCT(int ncmsz = newcm->is_parsable() ? newcm->size() : -1;)
int new_const_method_size = newm->constMethod()->object_size();
memcpy(newm(), m(), sizeof(methodOopDesc));
@@ -999,9 +1001,19 @@
// or concurrent marking but those phases will be correct. Setting and
// resetting is done in preference to a careful copying into newcm to
// avoid having to know the precise layout of a constMethodOop.
- m->constMethod()->set_is_conc_safe(false);
+ m->constMethod()->set_is_conc_safe(oopDesc::IsUnsafeConc);
+ assert(m->constMethod()->is_parsable(), "Should remain parsable");
+
+ // NOTE: this is a reachable object that transiently signals "conc_unsafe"
+ // However, no allocations are done during this window
+ // during which it is tagged conc_unsafe, so we are assured that any concurrent
+ // thread will not wait forever for the object to revert to "conc_safe".
+ // Further, any such conc_unsafe object will indicate a stable size
+ // through the transition.
memcpy(newcm, m->constMethod(), sizeof(constMethodOopDesc));
- m->constMethod()->set_is_conc_safe(true);
+ m->constMethod()->set_is_conc_safe(oopDesc::IsSafeConc);
+ assert(m->constMethod()->is_parsable(), "Should remain parsable");
+
// Reset correct method/const method, method size, and parameter info
newcm->set_method(newm());
newm->set_constMethod(newcm);
@@ -1035,6 +1047,8 @@
// Only set is_conc_safe to true when changes to newcm are
// complete.
+ assert(!newm->is_parsable() || nmsz < 0 || newm->size() == nmsz, "newm->size() inconsistency");
+ assert(!newcm->is_parsable() || ncmsz < 0 || newcm->size() == ncmsz, "newcm->size() inconsistency");
newcm->set_is_conc_safe(true);
return newm;
}
--- a/hotspot/src/share/vm/oops/methodOop.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/methodOop.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -144,9 +144,6 @@
public:
- static const bool IsUnsafeConc = false;
- static const bool IsSafeConc = true;
-
// accessors for instance variables
constMethodOop constMethod() const { return _constMethod; }
void set_constMethod(constMethodOop xconst) { oop_store_without_check((oop*)&_constMethod, (oop)xconst); }
--- a/hotspot/src/share/vm/oops/objArrayKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/objArrayKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -470,16 +470,6 @@
ObjArrayKlass_OOP_ITERATE(a, p, PSParallelCompact::adjust_pointer(p))
return a->object_size();
}
-
-int objArrayKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- assert (obj->is_objArray(), "obj must be obj array");
- objArrayOop a = objArrayOop(obj);
- ObjArrayKlass_BOUNDED_OOP_ITERATE( \
- a, p, beg_addr, end_addr, \
- PSParallelCompact::adjust_pointer(p))
- return a->object_size();
-}
#endif // SERIALGC
// JVM support
--- a/hotspot/src/share/vm/oops/objArrayKlassKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/objArrayKlassKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -254,22 +254,6 @@
return arrayKlassKlass::oop_update_pointers(cm, obj);
}
-
-int objArrayKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr,
- HeapWord* end_addr) {
- assert(obj->is_klass(), "must be klass");
- assert(klassOop(obj)->klass_part()->oop_is_objArray_slow(), "must be obj array");
-
- oop* p;
- objArrayKlass* oak = objArrayKlass::cast((klassOop)obj);
- p = oak->element_klass_addr();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
- p = oak->bottom_klass_addr();
- PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
-
- return arrayKlassKlass::oop_update_pointers(cm, obj, beg_addr, end_addr);
-}
#endif // SERIALGC
#ifndef PRODUCT
--- a/hotspot/src/share/vm/oops/oop.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/oop.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -71,6 +71,11 @@
static BarrierSet* _bs;
public:
+ enum ConcSafeType {
+ IsUnsafeConc = false,
+ IsSafeConc = true
+ };
+
markOop mark() const { return _mark; }
markOop* mark_addr() const { return (markOop*) &_mark; }
@@ -317,13 +322,6 @@
// Parallel Old
void update_contents(ParCompactionManager* cm);
- void update_contents(ParCompactionManager* cm,
- HeapWord* begin_limit,
- HeapWord* end_limit);
- void update_contents(ParCompactionManager* cm,
- klassOop old_klass,
- HeapWord* begin_limit,
- HeapWord* end_limit);
void follow_contents(ParCompactionManager* cm);
void follow_header(ParCompactionManager* cm);
@@ -364,7 +362,6 @@
#ifndef SERIALGC
// Parallel old
void update_header();
- void update_header(HeapWord* beg_addr, HeapWord* end_addr);
#endif // SERIALGC
// mark-sweep support
--- a/hotspot/src/share/vm/oops/oop.pcgc.inline.hpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/oop.pcgc.inline.hpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -57,41 +57,6 @@
// Else skip it. The typeArrayKlass in the header never needs scavenging.
}
-inline void oopDesc::update_contents(ParCompactionManager* cm,
- HeapWord* begin_limit,
- HeapWord* end_limit) {
- // The klass field must be updated before anything else
- // can be done.
- debug_only(klassOopDesc* original_klass = klass());
-
- update_contents(cm, klass(), begin_limit, end_limit);
-}
-
-inline void oopDesc::update_contents(ParCompactionManager* cm,
- klassOop old_klass,
- HeapWord* begin_limit,
- HeapWord* end_limit) {
-
- klassOop updated_klass =
- PSParallelCompact::summary_data().calc_new_klass(old_klass);
-
- // Needs to be boundary aware for the 64 bit case
- // update_header();
- // The klass has moved. Is the location of the klass
- // within the limits?
- if ((((HeapWord*)&_metadata._klass) >= begin_limit) &&
- (((HeapWord*)&_metadata._klass) < end_limit)) {
- set_klass(updated_klass);
- }
-
- Klass* klass = updated_klass->klass_part();
- if (!klass->oop_is_typeArray()) {
- // It might contain oops beyond the header, so take the virtual call.
- klass->oop_update_pointers(cm, this, begin_limit, end_limit);
- }
- // Else skip it. The typeArrayKlass in the header never needs scavenging.
-}
-
inline void oopDesc::follow_contents(ParCompactionManager* cm) {
assert (PSParallelCompact::mark_bitmap()->is_marked(this),
"should be marked");
@@ -140,13 +105,4 @@
}
}
-inline void oopDesc::update_header(HeapWord* beg_addr, HeapWord* end_addr) {
- if (UseCompressedOops) {
- PSParallelCompact::adjust_pointer(compressed_klass_addr(),
- beg_addr, end_addr);
- } else {
- PSParallelCompact::adjust_pointer(klass_addr(), beg_addr, end_addr);
- }
-}
-
#endif // SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP
--- a/hotspot/src/share/vm/oops/typeArrayKlass.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/oops/typeArrayKlass.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -250,13 +250,6 @@
assert(obj->is_typeArray(),"must be a type array");
return typeArrayOop(obj)->object_size();
}
-
-int
-typeArrayKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
- HeapWord* beg_addr, HeapWord* end_addr) {
- assert(obj->is_typeArray(),"must be a type array");
- return typeArrayOop(obj)->object_size();
-}
#endif // SERIALGC
void typeArrayKlass::initialize(TRAPS) {
--- a/hotspot/src/share/vm/prims/jvmtiRedefineClasses.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/prims/jvmtiRedefineClasses.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1247,12 +1247,12 @@
// Constant pools are not easily reused so we allocate a new one
// each time.
// merge_cp is created unsafe for concurrent GC processing. It
- // should be marked safe before discarding it because, even if
- // garbage. If it crosses a card boundary, it may be scanned
+ // should be marked safe before discarding it. Even though
+ // garbage, if it crosses a card boundary, it may be scanned
// in order to find the start of the first complete object on the card.
constantPoolHandle merge_cp(THREAD,
oopFactory::new_constantPool(merge_cp_length,
- methodOopDesc::IsUnsafeConc,
+ oopDesc::IsUnsafeConc,
THREAD));
int orig_length = old_cp->orig_length();
if (orig_length == 0) {
@@ -2343,7 +2343,7 @@
// sized constant pool with the klass to save space.
constantPoolHandle smaller_cp(THREAD,
oopFactory::new_constantPool(scratch_cp_length,
- methodOopDesc::IsUnsafeConc,
+ oopDesc::IsUnsafeConc,
THREAD));
// preserve orig_length() value in the smaller copy
int orig_length = scratch_cp->orig_length();
--- a/hotspot/src/share/vm/prims/methodHandleWalk.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/prims/methodHandleWalk.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1134,8 +1134,9 @@
constantPoolHandle MethodHandleCompiler::get_constant_pool(TRAPS) const {
constantPoolHandle nullHandle;
- bool is_conc_safe = true;
- constantPoolOop cpool_oop = oopFactory::new_constantPool(_constants.length(), is_conc_safe, CHECK_(nullHandle));
+ constantPoolOop cpool_oop = oopFactory::new_constantPool(_constants.length(),
+ oopDesc::IsSafeConc,
+ CHECK_(nullHandle));
constantPoolHandle cpool(THREAD, cpool_oop);
// Fill the real constant pool skipping the zero element.
@@ -1180,10 +1181,9 @@
else
flags_bits = (/*JVM_MH_INVOKE_BITS |*/ JVM_ACC_PUBLIC | JVM_ACC_FINAL | JVM_ACC_SYNTHETIC);
- bool is_conc_safe = true;
methodOop m_oop = oopFactory::new_method(bytecode_length(),
accessFlags_from(flags_bits),
- 0, 0, 0, is_conc_safe, CHECK_(nullHandle));
+ 0, 0, 0, oopDesc::IsSafeConc, CHECK_(nullHandle));
methodHandle m(THREAD, m_oop);
m_oop = NULL; // oop not GC safe
--- a/hotspot/src/share/vm/runtime/arguments.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/runtime/arguments.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1410,7 +1410,7 @@
// by ergonomics.
if (MaxHeapSize <= max_heap_for_compressed_oops()) {
#if !defined(COMPILER1) || defined(TIERED)
- if (FLAG_IS_DEFAULT(UseCompressedOops) && !UseG1GC) {
+ if (FLAG_IS_DEFAULT(UseCompressedOops)) {
FLAG_SET_ERGO(bool, UseCompressedOops, true);
}
#endif
--- a/hotspot/src/share/vm/services/heapDumper.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/services/heapDumper.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -1397,6 +1397,7 @@
public:
VM_HeapDumper(DumpWriter* writer, bool gc_before_heap_dump, bool oome) :
VM_GC_Operation(0 /* total collections, dummy, ignored */,
+ GCCause::_heap_dump /* GC Cause */,
0 /* total full collections, dummy, ignored */,
gc_before_heap_dump) {
_local_writer = writer;
--- a/hotspot/src/share/vm/services/management.cpp Wed Jul 05 17:35:15 2017 +0200
+++ b/hotspot/src/share/vm/services/management.cpp Wed Feb 16 17:26:20 2011 -0800
@@ -1311,7 +1311,7 @@
if (locked_monitors) {
// Constructs Object[] and int[] to contain the object monitor and the stack depth
// where the thread locked it
- objArrayOop array = oopFactory::new_system_objArray(num_locked_monitors, CHECK_NULL);
+ objArrayOop array = oopFactory::new_system_objArray(num_locked_monitors, false, CHECK_NULL);
objArrayHandle mh(THREAD, array);
monitors_array = mh;
@@ -1353,7 +1353,7 @@
GrowableArray<instanceOop>* locks = (tcl != NULL ? tcl->owned_locks() : NULL);
int num_locked_synchronizers = (locks != NULL ? locks->length() : 0);
- objArrayOop array = oopFactory::new_system_objArray(num_locked_synchronizers, CHECK_NULL);
+ objArrayOop array = oopFactory::new_system_objArray(num_locked_synchronizers, false, CHECK_NULL);
objArrayHandle sh(THREAD, array);
synchronizers_array = sh;