changeset 8229:9c916db4bf3b jdk9-b60

Merge
author lana
date Thu, 09 Apr 2015 17:38:28 -0700
parents 4987cd56a051 009d2d25b517
children b96c35c4b40c d2764ea89544 dd51d7312402
files
diffstat 85 files changed, 632 insertions(+), 776 deletions(-) [+]
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/memory/GenCollectedHeap.java	Thu Apr 09 06:40:12 2015 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/memory/GenCollectedHeap.java	Thu Apr 09 17:38:28 2015 -0700
@@ -37,7 +37,9 @@
   private static CIntegerField nGensField;
   private static AddressField youngGenField;
   private static AddressField oldGenField;
-  private static AddressField genSpecsField;
+
+  private static AddressField youngGenSpecField;
+  private static AddressField oldGenSpecField;
 
   private static GenerationFactory genFactory;
 
@@ -55,9 +57,12 @@
     nGensField = type.getCIntegerField("_n_gens");
     youngGenField = type.getAddressField("_young_gen");
     oldGenField = type.getAddressField("_old_gen");
-    genSpecsField = type.getAddressField("_gen_specs");
 
     genFactory = new GenerationFactory();
+
+    Type collectorPolicyType = db.lookupType("GenCollectorPolicy");
+    youngGenSpecField = collectorPolicyType.getAddressField("_young_gen_spec");
+    oldGenSpecField = collectorPolicyType.getAddressField("_old_gen_spec");
   }
 
   public GenCollectedHeap(Address addr) {
@@ -115,21 +120,23 @@
   /** Package-private access to GenerationSpecs */
   GenerationSpec spec(int level) {
     if (Assert.ASSERTS_ENABLED) {
-      Assert.that((level >= 0) && (level < nGens()), "Index " + level +
-                  " out of range (should be between 0 and " + nGens() + ")");
+      Assert.that((level == 0) || (level == 1), "Index " + level +
+                  " out of range (should be 0 or 1)");
     }
 
-    if ((level < 0) || (level >= nGens())) {
+    if ((level != 0) && (level != 1)) {
       return null;
     }
 
-    Address ptrList = genSpecsField.getValue(addr);
-    if (ptrList == null) {
-      return null;
+    if (level == 0) {
+      return (GenerationSpec)
+              VMObjectFactory.newObject(GenerationSpec.class,
+                      youngGenSpecField.getAddress());
+    } else {
+      return (GenerationSpec)
+              VMObjectFactory.newObject(GenerationSpec.class,
+                      oldGenSpecField.getAddress());
     }
-    return (GenerationSpec)
-      VMObjectFactory.newObject(GenerationSpec.class,
-                                ptrList.getAddressAt(level * VM.getVM().getAddressSize()));
   }
 
   public CollectedHeapName kind() {
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2015, 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
@@ -52,9 +52,10 @@
 }
 
 void ConcurrentMarkSweepPolicy::initialize_generations() {
-  _generations = NEW_C_HEAP_ARRAY(GenerationSpecPtr, number_of_generations(), mtGC);
-  _generations[0] = new GenerationSpec(Generation::ParNew, _initial_young_size, _max_young_size);
-  _generations[1] = new GenerationSpec(Generation::ConcurrentMarkSweep, _initial_old_size, _max_old_size);
+  _young_gen_spec = new GenerationSpec(Generation::ParNew, _initial_young_size,
+                                       _max_young_size, _gen_alignment);
+  _old_gen_spec   = new GenerationSpec(Generation::ConcurrentMarkSweep,
+                                       _initial_old_size, _max_old_size, _gen_alignment);
 }
 
 void ConcurrentMarkSweepPolicy::initialize_size_policy(size_t init_eden_size,
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -65,8 +65,6 @@
 #include "services/memoryService.hpp"
 #include "services/runtimeService.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 // statics
 CMSCollector* ConcurrentMarkSweepGeneration::_collector = NULL;
 bool CMSCollector::_full_gc_requested = false;
@@ -1593,7 +1591,7 @@
   bitMapLock()->lock_without_safepoint_check();
   if (TraceCMSState) {
     gclog_or_tty->print_cr("CMS foreground collector has asked for control "
-      INTPTR_FORMAT " with first state %d", Thread::current(), first_state);
+      INTPTR_FORMAT " with first state %d", p2i(Thread::current()), first_state);
     gclog_or_tty->print_cr("    gets control with state %d", _collectorState);
   }
 
@@ -1763,27 +1761,27 @@
   // Eden
   if (_eden_chunk_array != NULL) {
     gclog_or_tty->print_cr("eden " PTR_FORMAT "-" PTR_FORMAT "-" PTR_FORMAT "(" SIZE_FORMAT ")",
-                           eden_space->bottom(), eden_space->top(),
-                           eden_space->end(), eden_space->capacity());
+                           p2i(eden_space->bottom()), p2i(eden_space->top()),
+                           p2i(eden_space->end()), eden_space->capacity());
     gclog_or_tty->print_cr("_eden_chunk_index=" SIZE_FORMAT ", "
                            "_eden_chunk_capacity=" SIZE_FORMAT,
                            _eden_chunk_index, _eden_chunk_capacity);
     for (size_t i = 0; i < _eden_chunk_index; i++) {
       gclog_or_tty->print_cr("_eden_chunk_array[" SIZE_FORMAT "]=" PTR_FORMAT,
-                             i, _eden_chunk_array[i]);
+                             i, p2i(_eden_chunk_array[i]));
     }
   }
   // Survivor
   if (_survivor_chunk_array != NULL) {
     gclog_or_tty->print_cr("survivor " PTR_FORMAT "-" PTR_FORMAT "-" PTR_FORMAT "(" SIZE_FORMAT ")",
-                           from_space->bottom(), from_space->top(),
-                           from_space->end(), from_space->capacity());
+                           p2i(from_space->bottom()), p2i(from_space->top()),
+                           p2i(from_space->end()), from_space->capacity());
     gclog_or_tty->print_cr("_survivor_chunk_index=" SIZE_FORMAT ", "
                            "_survivor_chunk_capacity=" SIZE_FORMAT,
                            _survivor_chunk_index, _survivor_chunk_capacity);
     for (size_t i = 0; i < _survivor_chunk_index; i++) {
       gclog_or_tty->print_cr("_survivor_chunk_array[" SIZE_FORMAT "]=" PTR_FORMAT,
-                             i, _survivor_chunk_array[i]);
+                             i, p2i(_survivor_chunk_array[i]));
     }
   }
 }
@@ -1890,7 +1888,7 @@
   while (_collectorState != Idling) {
     if (TraceCMSState) {
       gclog_or_tty->print_cr("Thread " INTPTR_FORMAT " in CMS state %d",
-        Thread::current(), _collectorState);
+        p2i(Thread::current()), _collectorState);
     }
     // The foreground collector
     //   holds the Heap_lock throughout its collection.
@@ -1924,7 +1922,7 @@
         if (TraceCMSState) {
           gclog_or_tty->print_cr("CMS Thread " INTPTR_FORMAT
             " exiting collection CMS state %d",
-            Thread::current(), _collectorState);
+            p2i(Thread::current()), _collectorState);
         }
         return;
       } else {
@@ -2031,7 +2029,7 @@
     }
     if (TraceCMSState) {
       gclog_or_tty->print_cr("  Thread " INTPTR_FORMAT " done - next CMS state %d",
-        Thread::current(), _collectorState);
+        p2i(Thread::current()), _collectorState);
     }
     assert(_foregroundGCShouldWait, "block post-condition");
   }
@@ -2054,7 +2052,7 @@
   if (TraceCMSState) {
     gclog_or_tty->print_cr("CMS Thread " INTPTR_FORMAT
       " exiting collection CMS state %d",
-      Thread::current(), _collectorState);
+      p2i(Thread::current()), _collectorState);
   }
   if (PrintGC && Verbose) {
     _cmsGen->print_heap_change(prev_used);
@@ -2112,7 +2110,7 @@
     CGC_lock->notify();
     if (TraceCMSState) {
       gclog_or_tty->print_cr("CMS Thread " INTPTR_FORMAT " waiting at CMS state %d",
-        Thread::current(), _collectorState);
+        p2i(Thread::current()), _collectorState);
     }
     while (_foregroundGCIsActive) {
       CGC_lock->wait(Mutex::_no_safepoint_check_flag);
@@ -2124,7 +2122,7 @@
   }
   if (TraceCMSState) {
     gclog_or_tty->print_cr("CMS Thread " INTPTR_FORMAT " continuing at CMS state %d",
-      Thread::current(), _collectorState);
+      p2i(Thread::current()), _collectorState);
   }
   return res;
 }
@@ -2356,13 +2354,13 @@
 
   // Clear the marking bit map array before starting, but, just
   // for kicks, first report if the given address is already marked
-  gclog_or_tty->print_cr("Start: Address " PTR_FORMAT " is%s marked", addr,
+  gclog_or_tty->print_cr("Start: Address " PTR_FORMAT " is%s marked", p2i(addr),
                 _markBitMap.isMarked(addr) ? "" : " not");
 
   if (verify_after_remark()) {
     MutexLockerEx x(verification_mark_bm()->lock(), Mutex::_no_safepoint_check_flag);
     bool result = verification_mark_bm()->isMarked(addr);
-    gclog_or_tty->print_cr("TransitiveMark: Address " PTR_FORMAT " %s marked", addr,
+    gclog_or_tty->print_cr("TransitiveMark: Address " PTR_FORMAT " %s marked", p2i(addr),
                            result ? "IS" : "is NOT");
     return result;
   } else {
@@ -2377,13 +2375,13 @@
   CMSCollector* collector = ConcurrentMarkSweepGeneration::_collector;
   if (collector != NULL) {
     CMSBitMap* bitmap = &collector->_markBitMap;
-    st->print_cr("Marking Bits: (CMSBitMap*) " PTR_FORMAT, bitmap);
+    st->print_cr("Marking Bits: (CMSBitMap*) " PTR_FORMAT, p2i(bitmap));
     bitmap->print_on_error(st, " Bits: ");
 
     st->cr();
 
     CMSBitMap* mut_bitmap = &collector->_modUnionTable;
-    st->print_cr("Mod Union Table: (CMSBitMap*) " PTR_FORMAT, mut_bitmap);
+    st->print_cr("Mod Union Table: (CMSBitMap*) " PTR_FORMAT, p2i(mut_bitmap));
     mut_bitmap->print_on_error(st, " Bits: ");
   }
 }
@@ -2406,7 +2404,7 @@
     HeapWord* addr = _marks->offsetToHeapWord(offset);
     if (!_marks->isMarked(addr)) {
       oop(addr)->print_on(gclog_or_tty);
-      gclog_or_tty->print_cr(" ("INTPTR_FORMAT" should have been marked)", addr);
+      gclog_or_tty->print_cr(" ("INTPTR_FORMAT" should have been marked)", p2i(addr));
       _failed = true;
     }
     return true;
@@ -2474,7 +2472,7 @@
     // presumably, a mutation to A failed to be picked up by preclean/remark?
     verify_after_remark_work_2();
   } else {
-    warning("Unrecognized value %d for CMSRemarkVerifyVariant",
+    warning("Unrecognized value " UINTX_FORMAT " for CMSRemarkVerifyVariant",
             CMSRemarkVerifyVariant);
   }
   if (!silent) gclog_or_tty->print(" done] ");
@@ -5056,7 +5054,7 @@
       for (size_t i = 0; i < total - 1; i++) {
         if (PrintCMSStatistics > 0) {
           gclog_or_tty->print(" (chunk" SIZE_FORMAT ":" INTPTR_FORMAT ") ",
-                              i, _survivor_chunk_array[i]);
+                              i, p2i(_survivor_chunk_array[i]));
         }
         assert(_survivor_chunk_array[i] < _survivor_chunk_array[i+1],
                "Not sorted");
@@ -5700,8 +5698,8 @@
     gclog_or_tty->print_cr(
       "CMS: Large Block: " PTR_FORMAT ";"
       " Proximity: " PTR_FORMAT " -> " PTR_FORMAT,
-      largestAddr,
-      _cmsSpace->nearLargestChunk(), minAddr + nearLargestOffset);
+      p2i(largestAddr),
+      p2i(_cmsSpace->nearLargestChunk()), p2i(minAddr + nearLargestOffset));
   }
   _cmsSpace->set_nearLargestChunk(minAddr + nearLargestOffset);
 }
@@ -6184,7 +6182,7 @@
     _verification_bm->mark(addr);
     if (!_cms_bm->isMarked(addr)) {
       oop(addr)->print();
-      gclog_or_tty->print_cr(" (" INTPTR_FORMAT " should have been marked)", addr);
+      gclog_or_tty->print_cr(" (" INTPTR_FORMAT " should have been marked)", p2i(addr));
       fatal("... aborting");
     }
   }
@@ -6979,7 +6977,7 @@
     if (!_cms_bm->isMarked(addr)) {
       oop(addr)->print();
       gclog_or_tty->print_cr(" (" INTPTR_FORMAT " should have been marked)",
-                             addr);
+                             p2i(addr));
       fatal("... aborting");
     }
 
@@ -7375,16 +7373,16 @@
          "sweep _limit out of bounds");
   if (CMSTraceSweeper) {
     gclog_or_tty->print_cr("\n====================\nStarting new sweep with limit " PTR_FORMAT,
-                        _limit);
+                        p2i(_limit));
   }
 }
 
 void SweepClosure::print_on(outputStream* st) const {
   tty->print_cr("_sp = [" PTR_FORMAT "," PTR_FORMAT ")",
-                _sp->bottom(), _sp->end());
-  tty->print_cr("_limit = " PTR_FORMAT, _limit);
-  tty->print_cr("_freeFinger = " PTR_FORMAT, _freeFinger);
-  NOT_PRODUCT(tty->print_cr("_last_fc = " PTR_FORMAT, _last_fc);)
+                p2i(_sp->bottom()), p2i(_sp->end()));
+  tty->print_cr("_limit = " PTR_FORMAT, p2i(_limit));
+  tty->print_cr("_freeFinger = " PTR_FORMAT, p2i(_freeFinger));
+  NOT_PRODUCT(tty->print_cr("_last_fc = " PTR_FORMAT, p2i(_last_fc));)
   tty->print_cr("_inFreeRange = %d, _freeRangeInFreeLists = %d, _lastFreeRangeCoalesced = %d",
                 _inFreeRange, _freeRangeInFreeLists, _lastFreeRangeCoalesced);
 }
@@ -7428,7 +7426,7 @@
   }
   if (CMSTraceSweeper) {
     gclog_or_tty->print_cr("end of sweep with _limit = " PTR_FORMAT "\n================",
-                           _limit);
+                           p2i(_limit));
   }
 }
 #endif  // PRODUCT
@@ -7437,7 +7435,7 @@
     bool freeRangeInFreeLists) {
   if (CMSTraceSweeper) {
     gclog_or_tty->print("---- Start free range at " PTR_FORMAT " with free block (%d)\n",
-               freeFinger, freeRangeInFreeLists);
+               p2i(freeFinger), freeRangeInFreeLists);
   }
   assert(!inFreeRange(), "Trampling existing free range");
   set_inFreeRange(true);
@@ -7501,14 +7499,14 @@
     // coalesced chunk to the appropriate free list.
     if (inFreeRange()) {
       assert(freeFinger() >= _sp->bottom() && freeFinger() < _limit,
-             err_msg("freeFinger() " PTR_FORMAT" is out-of-bounds", freeFinger()));
+             err_msg("freeFinger() " PTR_FORMAT" is out-of-bounds", p2i(freeFinger())));
       flush_cur_free_chunk(freeFinger(),
                            pointer_delta(addr, freeFinger()));
       if (CMSTraceSweeper) {
         gclog_or_tty->print("Sweep: last chunk: ");
         gclog_or_tty->print("put_free_blk " PTR_FORMAT " ("SIZE_FORMAT") "
                    "[coalesced:%d]\n",
-                   freeFinger(), pointer_delta(addr, freeFinger()),
+                   p2i(freeFinger()), pointer_delta(addr, freeFinger()),
                    lastFreeRangeCoalesced() ? 1 : 0);
       }
     }
@@ -7652,7 +7650,7 @@
         // the midst of a free range, we are coalescing
         print_free_block_coalesced(fc);
         if (CMSTraceSweeper) {
-          gclog_or_tty->print("  -- pick up free block " PTR_FORMAT " (" SIZE_FORMAT ")\n", fc, size);
+          gclog_or_tty->print("  -- pick up free block " PTR_FORMAT " (" SIZE_FORMAT ")\n", p2i(fc), size);
         }
         // remove it from the free lists
         _sp->removeFreeChunkFromFreeLists(fc);
@@ -7714,7 +7712,7 @@
       // this will be swept up when we hit the end of the
       // free range
       if (CMSTraceSweeper) {
-        gclog_or_tty->print("  -- pick up garbage " PTR_FORMAT " (" SIZE_FORMAT ")\n", fc, size);
+        gclog_or_tty->print("  -- pick up garbage " PTR_FORMAT " (" SIZE_FORMAT ")\n", p2i(fc), size);
       }
       // If the chunk is being coalesced and the current free range is
       // in the free lists, remove the current free range so that it
@@ -7807,7 +7805,7 @@
   }
 
   if (CMSTraceSweeper) {
-    gclog_or_tty->print_cr("  -- pick up another chunk at " PTR_FORMAT " (" SIZE_FORMAT ")", fc, chunkSize);
+    gclog_or_tty->print_cr("  -- pick up another chunk at " PTR_FORMAT " (" SIZE_FORMAT ")", p2i(fc), chunkSize);
   }
 
   HeapWord* const fc_addr = (HeapWord*) fc;
@@ -7906,14 +7904,14 @@
          err_msg("eob = " PTR_FORMAT " eob-1 = " PTR_FORMAT " _limit = " PTR_FORMAT
                  " out of bounds wrt _sp = [" PTR_FORMAT "," PTR_FORMAT ")"
                  " when examining fc = " PTR_FORMAT "(" SIZE_FORMAT ")",
-                 eob, eob-1, _limit, _sp->bottom(), _sp->end(), fc, chunk_size));
+                 p2i(eob), p2i(eob-1), p2i(_limit), p2i(_sp->bottom()), p2i(_sp->end()), p2i(fc), chunk_size));
   if (eob >= _limit) {
     assert(eob == _limit || fc->is_free(), "Only a free chunk should allow us to cross over the limit");
     if (CMSTraceSweeper) {
       gclog_or_tty->print_cr("_limit " PTR_FORMAT " reached or crossed by block "
                              "[" PTR_FORMAT "," PTR_FORMAT ") in space "
                              "[" PTR_FORMAT "," PTR_FORMAT ")",
-                             _limit, fc, eob, _sp->bottom(), _sp->end());
+                             p2i(_limit), p2i(fc), p2i(eob), p2i(_sp->bottom()), p2i(_sp->end()));
     }
     // Return the storage we are tracking back into the free lists.
     if (CMSTraceSweeper) {
@@ -7937,7 +7935,7 @@
     }
     if (CMSTraceSweeper) {
       gclog_or_tty->print_cr(" -- add free block " PTR_FORMAT " (" SIZE_FORMAT ") to free lists",
-                    chunk, size);
+                    p2i(chunk), size);
     }
     // A new free range is going to be starting.  The current
     // free range has not been added to the free lists yet or
@@ -8010,7 +8008,7 @@
 void SweepClosure::print_free_block_coalesced(FreeChunk* fc) const {
   if (CMSTraceSweeper) {
     gclog_or_tty->print_cr("Sweep:coal_free_blk " PTR_FORMAT " (" SIZE_FORMAT ")",
-                           fc, fc->size());
+                           p2i(fc), fc->size());
   }
 }
 
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -27,8 +27,6 @@
 #include "memory/freeBlockDictionary.hpp"
 #include "utilities/copy.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 #ifndef PRODUCT
 
 #define baadbabeHeapWord badHeapWordVal
@@ -74,5 +72,5 @@
 
 void FreeChunk::print_on(outputStream* st) {
   st->print_cr("Next: " PTR_FORMAT " Prev: " PTR_FORMAT " %s",
-    next(), prev(), cantCoalesce() ? "[can't coalesce]" : "");
+    p2i(next()), p2i(prev()), cantCoalesce() ? "[can't coalesce]" : "");
 }
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/promotionInfo.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/promotionInfo.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -28,8 +28,6 @@
 #include "oops/markOop.inline.hpp"
 #include "oops/oop.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 /////////////////////////////////////////////////////////////////////////
 //// PromotionInfo
 /////////////////////////////////////////////////////////////////////////
@@ -360,6 +358,6 @@
 
 void SpoolBlock::print_on(outputStream* st) const {
   st->print("[" PTR_FORMAT "," PTR_FORMAT "), " SIZE_FORMAT " HeapWords -> " PTR_FORMAT,
-            this, (HeapWord*)displacedHdr + bufferSize,
-            bufferSize, nextSpoolBlock);
+            p2i(this), p2i((HeapWord*)displacedHdr + bufferSize),
+            bufferSize, p2i(nextSpoolBlock));
 }
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -34,8 +34,6 @@
 #include "runtime/os.hpp"
 #include "utilities/dtrace.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 //////////////////////////////////////////////////////////
 // Methods in abstract class VM_CMS_Operation
 //////////////////////////////////////////////////////////
--- a/src/share/vm/gc_implementation/g1/concurrentMark.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/concurrentMark.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -2088,10 +2088,7 @@
   _cleanup_times.add((end - start) * 1000.0);
 
   if (G1Log::fine()) {
-    g1h->print_size_transition(gclog_or_tty,
-                               start_used_bytes,
-                               g1h->used(),
-                               g1h->capacity());
+    g1h->g1_policy()->print_heap_transition(start_used_bytes);
   }
 
   // Clean up will have freed any regions completely full of garbage.
@@ -2584,7 +2581,7 @@
  public:
   G1RemarkThreadsClosure(G1CollectedHeap* g1h, CMTask* task) :
     _cm_obj(task), _cm_cl(g1h, g1h->concurrent_mark(), task), _code_cl(&_cm_cl, !CodeBlobToOopClosure::FixRelocations),
-    _thread_parity(SharedHeap::heap()->strong_roots_parity()) {}
+    _thread_parity(Threads::thread_claim_parity()) {}
 
   void do_thread(Thread* thread) {
     if (thread->is_Java_thread()) {
--- a/src/share/vm/gc_implementation/g1/g1CardCounts.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CardCounts.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -31,8 +31,6 @@
 #include "services/memTracker.hpp"
 #include "utilities/copy.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 void G1CardCountsMappingChangedListener::on_commit(uint start_idx, size_t num_regions, bool zero_filled) {
   if (zero_filled) {
     return;
--- a/src/share/vm/gc_implementation/g1/g1CodeCacheRemSet.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CodeCacheRemSet.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -33,8 +33,6 @@
 #include "utilities/hashtable.inline.hpp"
 #include "utilities/stack.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 class CodeRootSetTable : public Hashtable<nmethod*, mtGC> {
   friend class G1CodeRootSetTest;
   typedef HashtableEntry<nmethod*, mtGC> Entry;
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -66,7 +66,6 @@
 #include "memory/iterator.hpp"
 #include "memory/referenceProcessor.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #include "runtime/atomic.inline.hpp"
 #include "runtime/orderAccess.inline.hpp"
 #include "runtime/vmThread.hpp"
@@ -403,25 +402,6 @@
   return hr;
 }
 
-#ifdef ASSERT
-// A region is added to the collection set as it is retired
-// so an address p can point to a region which will be in the
-// collection set but has not yet been retired.  This method
-// therefore is only accurate during a GC pause after all
-// regions have been retired.  It is used for debugging
-// to check if an nmethod has references to objects that can
-// be move during a partial collection.  Though it can be
-// inaccurate, it is sufficient for G1 because the conservative
-// implementation of is_scavengable() for G1 will indicate that
-// all nmethods must be scanned during a partial collection.
-bool G1CollectedHeap::is_in_partial_collection(const void* p) {
-  if (p == NULL) {
-    return false;
-  }
-  return heap_region_containing(p)->in_collection_set();
-}
-#endif
-
 // Returns true if the reference points to an object that
 // can move in an incremental collection.
 bool G1CollectedHeap::is_scavengable(const void* p) {
@@ -1748,7 +1728,7 @@
 
 
 G1CollectedHeap::G1CollectedHeap(G1CollectorPolicy* policy_) :
-  SharedHeap(policy_),
+  SharedHeap(),
   _g1_policy(policy_),
   _dirty_card_queue_set(false),
   _into_cset_dirty_card_queue_set(false),
@@ -3732,7 +3712,14 @@
 
     TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty);
 
-    uint active_workers = workers()->active_workers();
+    uint active_workers = AdaptiveSizePolicy::calc_active_workers(workers()->total_workers(),
+                                                                  workers()->active_workers(),
+                                                                  Threads::number_of_non_daemon_threads());
+    assert(UseDynamicNumberOfGCThreads ||
+           active_workers == workers()->total_workers(),
+           "If not dynamic should be using all the  workers");
+    workers()->set_active_workers(active_workers);
+
     double pause_start_sec = os::elapsedTime();
     g1_policy()->phase_times()->note_gc_start(active_workers, mark_in_progress());
     log_gc_header();
@@ -5430,15 +5417,10 @@
   hot_card_cache->reset_hot_cache_claimed_index();
   hot_card_cache->set_use_cache(false);
 
-  uint n_workers;
-  n_workers =
-    AdaptiveSizePolicy::calc_active_workers(workers()->total_workers(),
-                                   workers()->active_workers(),
-                                   Threads::number_of_non_daemon_threads());
+  const uint n_workers = workers()->active_workers();
   assert(UseDynamicNumberOfGCThreads ||
          n_workers == workers()->total_workers(),
          "If not dynamic should be using all the  workers");
-  workers()->set_active_workers(n_workers);
   set_par_threads(n_workers);
 
 
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1008,7 +1008,7 @@
   // Set _n_par_threads according to a policy TBD.
   void set_par_threads();
 
-  virtual CollectedHeap::Name kind() const {
+  virtual Name kind() const {
     return CollectedHeap::G1CollectedHeap;
   }
 
@@ -1379,10 +1379,6 @@
 
   inline bool is_in_young(const oop obj);
 
-#ifdef ASSERT
-  virtual bool is_in_partial_collection(const void* p);
-#endif
-
   virtual bool is_scavengable(const void* addr);
 
   // We don't need barriers for initializing stores to objects
--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1201,11 +1201,21 @@
   }
 }
 
+void G1CollectorPolicy::print_heap_transition(size_t bytes_before) {
+  size_t bytes_after = _g1->used();
+  size_t capacity = _g1->capacity();
+
+  gclog_or_tty->print(" " SIZE_FORMAT "%s->" SIZE_FORMAT "%s(" SIZE_FORMAT "%s)",
+      byte_size_in_proper_unit(bytes_before),
+      proper_unit_for_byte_size(bytes_before),
+      byte_size_in_proper_unit(bytes_after),
+      proper_unit_for_byte_size(bytes_after),
+      byte_size_in_proper_unit(capacity),
+      proper_unit_for_byte_size(capacity));
+}
+
 void G1CollectorPolicy::print_heap_transition() {
-  _g1->print_size_transition(gclog_or_tty,
-                             _heap_used_bytes_before_gc,
-                             _g1->used(),
-                             _g1->capacity());
+  print_heap_transition(_heap_used_bytes_before_gc);
 }
 
 void G1CollectorPolicy::print_detailed_heap_transition(bool full) {
--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -700,6 +700,8 @@
   void record_heap_size_info_at_start(bool full);
 
   // Print heap sizing transition (with less and more detail).
+
+  void print_heap_transition(size_t bytes_before);
   void print_heap_transition();
   void print_detailed_heap_transition(bool full = false);
 
--- a/src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -154,28 +154,28 @@
     _has_new_data = true;
   }
 
-  double average(){
-    calculate_totals();
+  double average(uint active_threads){
+    calculate_totals(active_threads);
     return _average;
   }
 
-  T sum() {
-    calculate_totals();
+  T sum(uint active_threads) {
+    calculate_totals(active_threads);
     return _sum;
   }
 
-  T minimum() {
-    calculate_totals();
+  T minimum(uint active_threads) {
+    calculate_totals(active_threads);
     return _min;
   }
 
-  T maximum() {
-    calculate_totals();
+  T maximum(uint active_threads) {
+    calculate_totals(active_threads);
     return _max;
   }
 
   void reset() PRODUCT_RETURN;
-  void verify() PRODUCT_RETURN;
+  void verify(uint active_threads) PRODUCT_RETURN;
 
   void set_enabled(bool enabled) { _enabled = enabled; }
 
@@ -183,7 +183,7 @@
 
  private:
 
-  void calculate_totals(){
+  void calculate_totals(uint active_threads){
     if (!_has_new_data) {
       return;
     }
@@ -191,13 +191,14 @@
     _sum = (T)0;
     _min = _data[0];
     _max = _min;
-    for (uint i = 0; i < _length; ++i) {
+    assert(active_threads <= _length, "Wrong number of active threads");
+    for (uint i = 0; i < active_threads; ++i) {
       T val = _data[i];
       _sum += val;
       _min = MIN2(_min, val);
       _max = MAX2(_max, val);
     }
-    _average = (double)_sum / (double)_length;
+    _average = (double)_sum / (double)active_threads;
     _has_new_data = false;
   }
 };
@@ -226,17 +227,18 @@
 }
 
 template <class T>
-void WorkerDataArray<T>::verify() {
+void WorkerDataArray<T>::verify(uint active_threads) {
   if (!_enabled) {
     return;
   }
 
-  for (uint i = 0; i < _length; i++) {
+  assert(active_threads <= _length, "Wrong number of active threads");
+  for (uint i = 0; i < active_threads; i++) {
     assert(_data[i] != WorkerDataArray<T>::uninitialized(),
         err_msg("Invalid data for worker %u in '%s'", i, _title));
   }
   if (_thread_work_items != NULL) {
-    _thread_work_items->verify();
+    _thread_work_items->verify(active_threads);
   }
 }
 
@@ -321,7 +323,7 @@
   }
 
   for (int i = 0; i < GCParPhasesSentinel; i++) {
-    _gc_par_phases[i]->verify();
+    _gc_par_phases[i]->verify(_active_gc_threads);
   }
 }
 
@@ -378,7 +380,7 @@
 
 // return the average time for a phase in milliseconds
 double G1GCPhaseTimes::average_time_ms(GCParPhases phase) {
-  return _gc_par_phases[phase]->average() * 1000.0;
+  return _gc_par_phases[phase]->average(_active_gc_threads) * 1000.0;
 }
 
 double G1GCPhaseTimes::get_time_ms(GCParPhases phase, uint worker_i) {
@@ -386,15 +388,15 @@
 }
 
 double G1GCPhaseTimes::sum_time_ms(GCParPhases phase) {
-  return _gc_par_phases[phase]->sum() * 1000.0;
+  return _gc_par_phases[phase]->sum(_active_gc_threads) * 1000.0;
 }
 
 double G1GCPhaseTimes::min_time_ms(GCParPhases phase) {
-  return _gc_par_phases[phase]->minimum() * 1000.0;
+  return _gc_par_phases[phase]->minimum(_active_gc_threads) * 1000.0;
 }
 
 double G1GCPhaseTimes::max_time_ms(GCParPhases phase) {
-  return _gc_par_phases[phase]->maximum() * 1000.0;
+  return _gc_par_phases[phase]->maximum(_active_gc_threads) * 1000.0;
 }
 
 size_t G1GCPhaseTimes::get_thread_work_item(GCParPhases phase, uint worker_i) {
@@ -404,22 +406,22 @@
 
 size_t G1GCPhaseTimes::sum_thread_work_items(GCParPhases phase) {
   assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
-  return _gc_par_phases[phase]->thread_work_items()->sum();
+  return _gc_par_phases[phase]->thread_work_items()->sum(_active_gc_threads);
 }
 
 double G1GCPhaseTimes::average_thread_work_items(GCParPhases phase) {
   assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
-  return _gc_par_phases[phase]->thread_work_items()->average();
+  return _gc_par_phases[phase]->thread_work_items()->average(_active_gc_threads);
 }
 
 size_t G1GCPhaseTimes::min_thread_work_items(GCParPhases phase) {
   assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
-  return _gc_par_phases[phase]->thread_work_items()->minimum();
+  return _gc_par_phases[phase]->thread_work_items()->minimum(_active_gc_threads);
 }
 
 size_t G1GCPhaseTimes::max_thread_work_items(GCParPhases phase) {
   assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
-  return _gc_par_phases[phase]->thread_work_items()->maximum();
+  return _gc_par_phases[phase]->thread_work_items()->maximum(_active_gc_threads);
 }
 
 class G1GCParPhasePrinter : public StackObj {
@@ -455,14 +457,16 @@
   }
 
   void print_time_values(LineBuffer& buf, G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<double>* phase) {
-    for (uint i = 0; i < phase->_length; ++i) {
+    uint active_length = _phase_times->_active_gc_threads;
+    for (uint i = 0; i < active_length; ++i) {
       buf.append("  %.1lf", _phase_times->get_time_ms(phase_id, i));
     }
     buf.print_cr();
   }
 
   void print_count_values(LineBuffer& buf, G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<size_t>* thread_work_items) {
-    for (uint i = 0; i < thread_work_items->_length; ++i) {
+    uint active_length = _phase_times->_active_gc_threads;
+    for (uint i = 0; i < active_length; ++i) {
       buf.append("  " SIZE_FORMAT, _phase_times->get_thread_work_item(phase_id, i));
     }
     buf.print_cr();
--- a/src/share/vm/gc_implementation/g1/g1HRPrinter.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1HRPrinter.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -27,8 +27,6 @@
 #include "gc_implementation/g1/heapRegion.hpp"
 #include "utilities/ostream.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 const char* G1HRPrinter::action_name(ActionType action) {
   switch(action) {
     case Alloc:          return "ALLOC";
@@ -85,18 +83,18 @@
   if (type_str != NULL) {
     if (top != NULL) {
       gclog_or_tty->print_cr(G1HR_PREFIX" %s(%s) "PTR_FORMAT" "PTR_FORMAT,
-                             action_str, type_str, bottom, top);
+                             action_str, type_str, p2i(bottom), p2i(top));
     } else {
       gclog_or_tty->print_cr(G1HR_PREFIX" %s(%s) "PTR_FORMAT,
-                             action_str, type_str, bottom);
+                             action_str, type_str, p2i(bottom));
     }
   } else {
     if (top != NULL) {
       gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT" "PTR_FORMAT,
-                             action_str, bottom, top);
+                             action_str, p2i(bottom), p2i(top));
     } else {
       gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT,
-                             action_str, bottom);
+                             action_str, p2i(bottom));
     }
   }
 }
@@ -105,7 +103,7 @@
   const char* action_str = action_name(action);
 
   gclog_or_tty->print_cr(G1HR_PREFIX" %s ["PTR_FORMAT","PTR_FORMAT"]",
-                         action_str, bottom, end);
+                         action_str, p2i(bottom), p2i(end));
 }
 
 void G1HRPrinter::print(PhaseType phase, size_t phase_num) {
--- a/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, 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
@@ -33,6 +33,7 @@
 #include "gc_implementation/g1/g1MarkSweep.hpp"
 #include "gc_implementation/g1/g1RootProcessor.hpp"
 #include "gc_implementation/g1/g1StringDedup.hpp"
+#include "gc_implementation/shared/markSweep.inline.hpp"
 #include "gc_implementation/shared/gcHeapSummary.hpp"
 #include "gc_implementation/shared/gcTimer.hpp"
 #include "gc_implementation/shared/gcTrace.hpp"
@@ -217,7 +218,7 @@
         // We must adjust the pointers on the single H object.
         oop obj = oop(r->bottom());
         // point all the oops to the new location
-        obj->adjust_pointers();
+        MarkSweep::adjust_pointers(obj);
       }
     } else {
       // This really ought to be "as_CompactibleSpace"...
--- a/src/share/vm/gc_implementation/g1/g1ParScanThreadState.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1ParScanThreadState.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -27,7 +27,6 @@
 #include "gc_implementation/g1/g1OopClosures.inline.hpp"
 #include "gc_implementation/g1/g1ParScanThreadState.inline.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #include "runtime/prefetch.inline.hpp"
 
 G1ParScanThreadState::G1ParScanThreadState(G1CollectedHeap* g1h, uint queue_num, ReferenceProcessor* rp)
--- a/src/share/vm/gc_implementation/g1/g1RemSet.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/g1RemSet.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -39,8 +39,6 @@
 #include "utilities/globalDefinitions.hpp"
 #include "utilities/intHisto.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 #define CARD_REPEAT_HISTO 0
 
 #if CARD_REPEAT_HISTO
@@ -156,9 +154,9 @@
                            "RS names card " SIZE_FORMAT_HEX ": "
                            "[" PTR_FORMAT ", " PTR_FORMAT ")",
                            _worker_i,
-                           card_region->bottom(), card_region->end(),
+                           p2i(card_region->bottom()), p2i(card_region->end()),
                            card_index,
-                           card_start, card_start + G1BlockOffsetSharedArray::N_words);
+                           p2i(card_start), p2i(card_start + G1BlockOffsetSharedArray::N_words));
   }
 
   void scan_strong_code_roots(HeapRegion* r) {
@@ -428,7 +426,7 @@
          err_msg("Card at "PTR_FORMAT" index "SIZE_FORMAT" representing heap at "PTR_FORMAT" (%u) must be in committed heap",
                  p2i(card_ptr),
                  _ct_bs->index_for(_ct_bs->addr_for(card_ptr)),
-                 _ct_bs->addr_for(card_ptr),
+                 p2i(_ct_bs->addr_for(card_ptr)),
                  _g1->addr_to_region(_ct_bs->addr_for(card_ptr))));
 
   // If the card is no longer dirty, nothing to do.
--- a/src/share/vm/gc_implementation/g1/heapRegion.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/heapRegion.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -39,8 +39,6 @@
 #include "runtime/atomic.inline.hpp"
 #include "runtime/orderAccess.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 int    HeapRegion::LogOfHRGrainBytes = 0;
 int    HeapRegion::LogOfHRGrainWords = 0;
 size_t HeapRegion::GrainBytes        = 0;
@@ -505,7 +503,7 @@
           gclog_or_tty->print_cr("Object "PTR_FORMAT" in region "
                                  "["PTR_FORMAT", "PTR_FORMAT") is above "
                                  "top "PTR_FORMAT,
-                                 (void *)obj, _hr->bottom(), _hr->end(), _hr->top());
+                                 p2i(obj), p2i(_hr->bottom()), p2i(_hr->end()), p2i(_hr->top()));
           _failures = true;
           return;
         }
@@ -540,7 +538,7 @@
       if (!nm->is_alive()) {
         gclog_or_tty->print_cr("region ["PTR_FORMAT","PTR_FORMAT"] has dead nmethod "
                                PTR_FORMAT" in its strong code roots",
-                               _hr->bottom(), _hr->end(), nm);
+                               p2i(_hr->bottom()), p2i(_hr->end()), p2i(nm));
         _failures = true;
       } else {
         VerifyStrongCodeRootOopClosure oop_cl(_hr, nm);
@@ -549,12 +547,12 @@
           gclog_or_tty->print_cr("region ["PTR_FORMAT","PTR_FORMAT"] has nmethod "
                                  PTR_FORMAT" in its strong code roots "
                                  "with no pointers into region",
-                                 _hr->bottom(), _hr->end(), nm);
+                                 p2i(_hr->bottom()), p2i(_hr->end()), p2i(nm));
           _failures = true;
         } else if (oop_cl.failures()) {
           gclog_or_tty->print_cr("region ["PTR_FORMAT","PTR_FORMAT"] has other "
                                  "failures for nmethod "PTR_FORMAT,
-                                 _hr->bottom(), _hr->end(), nm);
+                                 p2i(_hr->bottom()), p2i(_hr->end()), p2i(nm));
           _failures = true;
         }
       }
@@ -589,7 +587,7 @@
     if (strong_code_roots_length > 0) {
       gclog_or_tty->print_cr("region ["PTR_FORMAT","PTR_FORMAT"] is empty "
                              "but has "SIZE_FORMAT" code root entries",
-                             bottom(), end(), strong_code_roots_length);
+                             p2i(bottom()), p2i(end()), strong_code_roots_length);
       *failures = true;
     }
     return;
@@ -624,7 +622,7 @@
     st->print("   ");
   st->print(" TS %5d", _gc_time_stamp);
   st->print(" PTAMS "PTR_FORMAT" NTAMS "PTR_FORMAT,
-            prev_top_at_mark_start(), next_top_at_mark_start());
+            p2i(prev_top_at_mark_start()), p2i(next_top_at_mark_start()));
   G1OffsetTableContigSpace::print_on(st);
 }
 
@@ -687,23 +685,23 @@
           gclog_or_tty->print_cr("Field "PTR_FORMAT
                                  " of live obj "PTR_FORMAT" in region "
                                  "["PTR_FORMAT", "PTR_FORMAT")",
-                                 p, (void*) _containing_obj,
-                                 from->bottom(), from->end());
+                                 p2i(p), p2i(_containing_obj),
+                                 p2i(from->bottom()), p2i(from->end()));
           print_object(gclog_or_tty, _containing_obj);
           gclog_or_tty->print_cr("points to obj "PTR_FORMAT" not in the heap",
-                                 (void*) obj);
+                                 p2i(obj));
         } else {
           HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p);
           HeapRegion* to   = _g1h->heap_region_containing((HeapWord*)obj);
           gclog_or_tty->print_cr("Field "PTR_FORMAT
                                  " of live obj "PTR_FORMAT" in region "
                                  "["PTR_FORMAT", "PTR_FORMAT")",
-                                 p, (void*) _containing_obj,
-                                 from->bottom(), from->end());
+                                 p2i(p), p2i(_containing_obj),
+                                 p2i(from->bottom()), p2i(from->end()));
           print_object(gclog_or_tty, _containing_obj);
           gclog_or_tty->print_cr("points to dead obj "PTR_FORMAT" in region "
                                  "["PTR_FORMAT", "PTR_FORMAT")",
-                                 (void*) obj, to->bottom(), to->end());
+                                 p2i(obj), p2i(to->bottom()), p2i(to->end()));
           print_object(gclog_or_tty, obj);
         }
         gclog_or_tty->print_cr("----------");
@@ -741,12 +739,12 @@
             gclog_or_tty->print_cr("Field "PTR_FORMAT" "
                                    "of obj "PTR_FORMAT", "
                                    "in region "HR_FORMAT,
-                                   p, (void*) _containing_obj,
+                                   p2i(p), p2i(_containing_obj),
                                    HR_FORMAT_PARAMS(from));
             _containing_obj->print_on(gclog_or_tty);
             gclog_or_tty->print_cr("points to obj "PTR_FORMAT" "
                                    "in region "HR_FORMAT,
-                                   (void*) obj,
+                                   p2i(obj),
                                    HR_FORMAT_PARAMS(to));
             obj->print_on(gclog_or_tty);
             gclog_or_tty->print_cr("Obj head CTE = %d, field CTE = %d.",
@@ -783,7 +781,7 @@
         !g1->is_obj_dead(obj, this)) { // Dead objects may have bigger block_size since they span several objects.
       gclog_or_tty->print_cr("obj "PTR_FORMAT" is of %shumongous size ("
                              SIZE_FORMAT" words) in a %shumongous region",
-                             p, g1->is_humongous(obj_size) ? "" : "non-",
+                             p2i(p), g1->is_humongous(obj_size) ? "" : "non-",
                              obj_size, is_region_humongous ? "" : "non-");
        *failures = true;
        return;
@@ -797,12 +795,12 @@
                                    ClassLoaderDataGraph::unload_list_contains(klass));
         if (!is_metaspace_object) {
           gclog_or_tty->print_cr("klass "PTR_FORMAT" of object "PTR_FORMAT" "
-                                 "not metadata", klass, (void *)obj);
+                                 "not metadata", p2i(klass), p2i(obj));
           *failures = true;
           return;
         } else if (!klass->is_klass()) {
           gclog_or_tty->print_cr("klass "PTR_FORMAT" of object "PTR_FORMAT" "
-                                 "not a klass", klass, (void *)obj);
+                                 "not a klass", p2i(klass), p2i(obj));
           *failures = true;
           return;
         } else {
@@ -817,7 +815,7 @@
           }
         }
       } else {
-        gclog_or_tty->print_cr(PTR_FORMAT" no an oop", (void *)obj);
+        gclog_or_tty->print_cr(PTR_FORMAT" no an oop", p2i(obj));
         *failures = true;
         return;
       }
@@ -832,7 +830,7 @@
 
   if (p != top()) {
     gclog_or_tty->print_cr("end of last object "PTR_FORMAT" "
-                           "does not match top "PTR_FORMAT, p, top());
+                           "does not match top "PTR_FORMAT, p2i(p), p2i(top()));
     *failures = true;
     return;
   }
@@ -849,7 +847,7 @@
     if (b_start_1 != p) {
       gclog_or_tty->print_cr("BOT look up for top: "PTR_FORMAT" "
                              " yielded "PTR_FORMAT", expecting "PTR_FORMAT,
-                             addr_1, b_start_1, p);
+                             p2i(addr_1), p2i(b_start_1), p2i(p));
       *failures = true;
       return;
     }
@@ -861,7 +859,7 @@
       if (b_start_2 != p) {
         gclog_or_tty->print_cr("BOT look up for top + 1: "PTR_FORMAT" "
                                " yielded "PTR_FORMAT", expecting "PTR_FORMAT,
-                               addr_2, b_start_2, p);
+                               p2i(addr_2), p2i(b_start_2), p2i(p));
         *failures = true;
         return;
       }
@@ -875,7 +873,7 @@
       if (b_start_3 != p) {
         gclog_or_tty->print_cr("BOT look up for top + diff: "PTR_FORMAT" "
                                " yielded "PTR_FORMAT", expecting "PTR_FORMAT,
-                               addr_3, b_start_3, p);
+                               p2i(addr_3), p2i(b_start_3), p2i(p));
         *failures = true;
         return;
       }
@@ -887,7 +885,7 @@
     if (b_start_4 != p) {
       gclog_or_tty->print_cr("BOT look up for end - 1: "PTR_FORMAT" "
                              " yielded "PTR_FORMAT", expecting "PTR_FORMAT,
-                             addr_4, b_start_4, p);
+                             p2i(addr_4), p2i(b_start_4), p2i(p));
       *failures = true;
       return;
     }
@@ -896,7 +894,7 @@
   if (is_region_humongous && object_num > 1) {
     gclog_or_tty->print_cr("region ["PTR_FORMAT","PTR_FORMAT"] is humongous "
                            "but has "SIZE_FORMAT", objects",
-                           bottom(), end(), object_num);
+                           p2i(bottom()), p2i(end()), object_num);
     *failures = true;
     return;
   }
@@ -947,7 +945,7 @@
   print_short();
   gclog_or_tty->print_cr(" [" INTPTR_FORMAT ", " INTPTR_FORMAT ", "
                 INTPTR_FORMAT ", " INTPTR_FORMAT ")",
-                bottom(), top(), _offsets.threshold(), end());
+                p2i(bottom()), p2i(top()), p2i(_offsets.threshold()), p2i(end()));
 }
 
 HeapWord* G1OffsetTableContigSpace::initialize_threshold() {
--- a/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -37,8 +37,6 @@
 #include "utilities/globalDefinitions.hpp"
 #include "utilities/growableArray.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 class PerRegionTable: public CHeapObj<mtGC> {
   friend class OtherRegionsTable;
   friend class HeapRegionRemSetIterator;
@@ -93,10 +91,10 @@
 
     if (G1TraceHeapRegionRememberedSet) {
       gclog_or_tty->print_cr("    PRT::Add_reference_work(" PTR_FORMAT "->" PTR_FORMAT").",
-                             from,
+                             p2i(from),
                              UseCompressedOops
-                             ? (void *)oopDesc::load_decode_heap_oop((narrowOop*)from)
-                             : (void *)oopDesc::load_decode_heap_oop((oop*)from));
+                             ? p2i(oopDesc::load_decode_heap_oop((narrowOop*)from))
+                             : p2i(oopDesc::load_decode_heap_oop((oop*)from)));
     }
 
     HeapRegion* loc_hr = hr();
@@ -412,17 +410,17 @@
 
   if (G1TraceHeapRegionRememberedSet) {
     gclog_or_tty->print_cr("ORT::add_reference_work(" PTR_FORMAT "->" PTR_FORMAT ").",
-                                                    from,
+                                                    p2i(from),
                                                     UseCompressedOops
-                                                    ? (void *)oopDesc::load_decode_heap_oop((narrowOop*)from)
-                                                    : (void *)oopDesc::load_decode_heap_oop((oop*)from));
+                                                    ? p2i(oopDesc::load_decode_heap_oop((narrowOop*)from))
+                                                    : p2i(oopDesc::load_decode_heap_oop((oop*)from)));
   }
 
   int from_card = (int)(uintptr_t(from) >> CardTableModRefBS::card_shift);
 
   if (G1TraceHeapRegionRememberedSet) {
     gclog_or_tty->print_cr("Table for [" PTR_FORMAT "...): card %d (cache = %d)",
-                  _hr->bottom(), from_card,
+                  p2i(_hr->bottom()), from_card,
                   FromCardCache::at(tid, cur_hrm_ind));
   }
 
@@ -471,7 +469,7 @@
                                 "[" PTR_FORMAT "...) for ref " PTR_FORMAT ".\n",
                                 align_size_down(uintptr_t(from),
                                                 CardTableModRefBS::card_size),
-                                _hr->bottom(), from);
+                                p2i(_hr->bottom()), p2i(from));
           }
         }
         if (G1TraceHeapRegionRememberedSet) {
@@ -533,7 +531,7 @@
                           "[" PTR_FORMAT "...) for ref " PTR_FORMAT ".\n",
                           align_size_down(uintptr_t(from),
                                           CardTableModRefBS::card_size),
-                          _hr->bottom(), from);
+                          p2i(_hr->bottom()), p2i(from));
     }
   }
   assert(contains_reference(from), "We just added it!");
@@ -602,8 +600,8 @@
     if (G1TraceHeapRegionRememberedSet) {
       gclog_or_tty->print("Coarsened entry in region [" PTR_FORMAT "...] "
                  "for region [" PTR_FORMAT "...] (" SIZE_FORMAT " coarse entries).\n",
-                 _hr->bottom(),
-                 max->hr()->bottom(),
+                 p2i(_hr->bottom()),
+                 p2i(max->hr()->bottom()),
                  _n_coarse_entries);
     }
   }
@@ -857,7 +855,7 @@
   while (iter.has_next(card_index)) {
     HeapWord* card_start =
       G1CollectedHeap::heap()->bot_shared()->address_for_index(card_index);
-    gclog_or_tty->print_cr("  Card " PTR_FORMAT, card_start);
+    gclog_or_tty->print_cr("  Card " PTR_FORMAT, p2i(card_start));
   }
   if (iter.n_yielded() != occupied()) {
     gclog_or_tty->print_cr("Yielded disagrees with occupied:");
@@ -1152,8 +1150,8 @@
     }
     gclog_or_tty->print("Added card " PTR_FORMAT " to region [" PTR_FORMAT "...]"
                         " for ref " PTR_FORMAT ".\n",
-                        _recorded_cards[i], _recorded_regions[i]->bottom(),
-                        _recorded_oops[i]);
+                        p2i(_recorded_cards[i]), p2i(_recorded_regions[i]->bottom()),
+                        p2i(_recorded_oops[i]));
   }
 }
 
@@ -1240,7 +1238,7 @@
   while (iter.has_next(card_index)) {
     HeapWord* card_start =
       G1CollectedHeap::heap()->bot_shared()->address_for_index(card_index);
-    gclog_or_tty->print_cr("  Card " PTR_FORMAT ".", card_start);
+    gclog_or_tty->print_cr("  Card " PTR_FORMAT ".", p2i(card_start));
     sum++;
   }
   guarantee(sum == 11 - 3 + 2048, "Failure");
--- a/src/share/vm/gc_implementation/g1/heapRegionSet.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/heapRegionSet.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -27,8 +27,6 @@
 #include "gc_implementation/g1/heapRegionRemSet.hpp"
 #include "gc_implementation/g1/heapRegionSet.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 uint FreeRegionList::_unrealistically_long_length = 0;
 
 void HeapRegionSetBase::fill_in_ext_msg(hrs_ext_msg* msg, const char* message) {
@@ -84,7 +82,7 @@
 
 void HeapRegionSetBase::print_on(outputStream* out, bool print_contents) {
   out->cr();
-  out->print_cr("Set: %s ("PTR_FORMAT")", name(), this);
+  out->print_cr("Set: %s ("PTR_FORMAT")", name(), p2i(this));
   out->print_cr("  Region Assumptions");
   out->print_cr("    humongous         : %s", BOOL_TO_STR(regions_humongous()));
   out->print_cr("    free              : %s", BOOL_TO_STR(regions_free()));
@@ -106,7 +104,7 @@
 }
 
 void FreeRegionList::fill_in_ext_msg_extra(hrs_ext_msg* msg) {
-  msg->append(" hd: "PTR_FORMAT" tl: "PTR_FORMAT, _head, _tail);
+  msg->append(" hd: "PTR_FORMAT" tl: "PTR_FORMAT, p2i(_head), p2i(_tail));
 }
 
 void FreeRegionList::remove_all() {
@@ -277,8 +275,8 @@
 void FreeRegionList::print_on(outputStream* out, bool print_contents) {
   HeapRegionSetBase::print_on(out, print_contents);
   out->print_cr("  Linking");
-  out->print_cr("    head              : "PTR_FORMAT, _head);
-  out->print_cr("    tail              : "PTR_FORMAT, _tail);
+  out->print_cr("    head              : "PTR_FORMAT, p2i(_head));
+  out->print_cr("    tail              : "PTR_FORMAT, p2i(_tail));
 
   if (print_contents) {
     out->print_cr("  Contents");
@@ -306,7 +304,8 @@
 
     count++;
     guarantee(count < _unrealistically_long_length,
-        hrs_err_msg("[%s] the calculated length: %u seems very long, is there maybe a cycle? curr: "PTR_FORMAT" prev0: "PTR_FORMAT" " "prev1: "PTR_FORMAT" length: %u", name(), count, curr, prev0, prev1, length()));
+        hrs_err_msg("[%s] the calculated length: %u seems very long, is there maybe a cycle? curr: "PTR_FORMAT" prev0: "PTR_FORMAT" " "prev1: "PTR_FORMAT" length: %u",
+            name(), count, p2i(curr), p2i(prev0), p2i(prev1), length()));
 
     if (curr->next() != NULL) {
       guarantee(curr->next()->prev() == curr, "Next or prev pointers messed up");
--- a/src/share/vm/gc_implementation/g1/satbQueue.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/satbQueue.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -32,8 +32,6 @@
 #include "runtime/thread.hpp"
 #include "runtime/vmThread.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 void ObjPtrQueue::flush() {
   // The buffer might contain refs into the CSet. We have to filter it
   // first before we flush it, otherwise we might end up with an
@@ -182,7 +180,7 @@
                         void** buf, size_t index, size_t sz) {
   gclog_or_tty->print_cr("  SATB BUFFER [%s] buf: "PTR_FORMAT" "
                          "index: "SIZE_FORMAT" sz: "SIZE_FORMAT,
-                         name, buf, index, sz);
+                         name, p2i(buf), index, sz);
 }
 #endif // PRODUCT
 
--- a/src/share/vm/gc_implementation/g1/survRateGroup.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/g1/survRateGroup.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -29,8 +29,6 @@
 #include "gc_implementation/g1/survRateGroup.hpp"
 #include "memory/allocation.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 SurvRateGroup::SurvRateGroup(G1CollectorPolicy* g1p,
                              const char* name,
                              size_t summary_surv_rates_len) :
--- a/src/share/vm/gc_implementation/parNew/parCardTableModRefBS.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parNew/parCardTableModRefBS.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -36,8 +36,6 @@
 #include "runtime/virtualspace.hpp"
 #include "runtime/vmThread.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 void CardTableModRefBS::non_clean_card_iterate_parallel_work(Space* sp, MemRegion mr,
                                                              OopsInGenClosure* cl,
                                                              CardTableRS* ct,
@@ -153,8 +151,7 @@
     // result of the dirty card iteration below.
     OrderAccess::storestore();
 
-    // We do not call the non_clean_card_iterate_serial() version because
-    // we want to clear the cards: clear_cl here does the work of finding
+    // We want to clear the cards: clear_cl here does the work of finding
     // contiguous dirty ranges of cards to process and clear.
     clear_cl.do_MemRegion(chunk_mr);
 
@@ -376,13 +373,14 @@
                          " does not exceed used.end() = " PTR_FORMAT ","
                          " yet last_chunk_index_to_check " INTPTR_FORMAT
                          " exceeds last_chunk_index " INTPTR_FORMAT,
-                         last_block, last_block + last_block_size,
-                         used.end(),
+                         p2i(last_block), p2i(last_block + last_block_size),
+                         p2i(used.end()),
                          last_chunk_index_to_check, last_chunk_index));
           assert(sp->used_region().end() > used.end(),
                  err_msg("Expansion did not happen: "
                          "[" PTR_FORMAT "," PTR_FORMAT ") -> [" PTR_FORMAT "," PTR_FORMAT ")",
-                         sp->used_region().start(), sp->used_region().end(), used.start(), used.end()));
+                         p2i(sp->used_region().start()), p2i(sp->used_region().end()),
+                         p2i(used.start()), p2i(used.end())));
           NOISY(tty->print_cr(" process_chunk_boundary: heap expanded; explicitly bounding last_chunk");)
           last_chunk_index_to_check = last_chunk_index;
         }
--- a/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -46,7 +46,6 @@
 #include "memory/space.hpp"
 #include "oops/objArrayOop.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #include "runtime/atomic.inline.hpp"
 #include "runtime/handles.hpp"
 #include "runtime/handles.inline.hpp"
@@ -56,8 +55,6 @@
 #include "utilities/globalDefinitions.hpp"
 #include "utilities/workgroup.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 #ifdef _MSC_VER
 #pragma warning( push )
 #pragma warning( disable:4355 ) // 'this' : used in base member initializer list
@@ -1213,7 +1210,7 @@
   if (TraceScavenge) {
     gclog_or_tty->print_cr("{%s %s " PTR_FORMAT " -> " PTR_FORMAT " (%d)}",
        is_in_reserved(new_obj) ? "copying" : "tenuring",
-       new_obj->klass()->internal_name(), (void *)old, (void *)new_obj, new_obj->size());
+       new_obj->klass()->internal_name(), p2i(old), p2i(new_obj), new_obj->size());
   }
 #endif
 
--- a/src/share/vm/gc_implementation/parallelScavenge/cardTableExtension.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/cardTableExtension.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -26,12 +26,11 @@
 #include "gc_implementation/parallelScavenge/cardTableExtension.hpp"
 #include "gc_implementation/parallelScavenge/gcTaskManager.hpp"
 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
-#include "gc_implementation/parallelScavenge/psPromotionManager.hpp"
+#include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
 #include "gc_implementation/parallelScavenge/psScavenge.hpp"
 #include "gc_implementation/parallelScavenge/psTasks.hpp"
 #include "gc_implementation/parallelScavenge/psYoungGen.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.psgc.inline.hpp"
 #include "runtime/prefetch.inline.hpp"
 
 // Checks an individual oop for missing precise marks. Mark
@@ -291,7 +290,7 @@
             Prefetch::write(p, interval);
             oop m = oop(p);
             assert(m->is_oop_or_null(), err_msg("Expected an oop or NULL for header field at " PTR_FORMAT, p2i(m)));
-            m->push_contents(pm);
+            pm->push_contents(m);
             p += m->size();
           }
           pm->drain_stacks_cond_depth();
@@ -299,7 +298,7 @@
           while (p < to) {
             oop m = oop(p);
             assert(m->is_oop_or_null(), err_msg("Expected an oop or NULL for header field at " PTR_FORMAT, p2i(m)));
-            m->push_contents(pm);
+            pm->push_contents(m);
             p += m->size();
           }
           pm->drain_stacks_cond_depth();
--- a/src/share/vm/gc_implementation/parallelScavenge/gcTaskManager.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/gcTaskManager.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -32,8 +32,6 @@
 #include "runtime/mutexLocker.hpp"
 #include "runtime/orderAccess.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 //
 // GCTask
 //
@@ -101,7 +99,7 @@
 NOT_PRODUCT(
 void GCTask::print(const char* message) const {
   tty->print(INTPTR_FORMAT " <- " INTPTR_FORMAT "(%u) -> " INTPTR_FORMAT,
-             newer(), this, affinity(), older());
+             p2i(newer()), p2i(this), affinity(), p2i(older()));
 }
 )
 
@@ -113,7 +111,7 @@
   GCTaskQueue* result = new GCTaskQueue(false);
   if (TraceGCTaskQueue) {
     tty->print_cr("GCTaskQueue::create()"
-                  " returns " INTPTR_FORMAT, result);
+                  " returns " INTPTR_FORMAT, p2i(result));
   }
   return result;
 }
@@ -123,7 +121,7 @@
   if (TraceGCTaskQueue) {
     tty->print_cr("GCTaskQueue::create_on_c_heap()"
                   " returns " INTPTR_FORMAT,
-                  result);
+                  p2i(result));
   }
   return result;
 }
@@ -134,7 +132,7 @@
   if (TraceGCTaskQueue) {
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " GCTaskQueue::GCTaskQueue() constructor",
-                  this);
+                  p2i(this));
   }
 }
 
@@ -147,7 +145,7 @@
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " GCTaskQueue::destroy()"
                   "  is_c_heap_obj:  %s",
-                  that,
+                  p2i(that),
                   that->is_c_heap_obj() ? "true" : "false");
   }
   // That instance may have been allocated as a CHeapObj,
@@ -173,7 +171,7 @@
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " GCTaskQueue::enqueue(task: "
                   INTPTR_FORMAT ")",
-                  this, task);
+                  p2i(this), p2i(task));
     print("before:");
   }
   assert(task != NULL, "shouldn't have null task");
@@ -200,7 +198,7 @@
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " GCTaskQueue::enqueue(list: "
                   INTPTR_FORMAT ")",
-                  this, list);
+                  p2i(this), p2i(list));
     print("before:");
     list->print("list:");
   }
@@ -234,14 +232,14 @@
 GCTask* GCTaskQueue::dequeue() {
   if (TraceGCTaskQueue) {
     tty->print_cr("[" INTPTR_FORMAT "]"
-                  " GCTaskQueue::dequeue()", this);
+                  " GCTaskQueue::dequeue()", p2i(this));
     print("before:");
   }
   assert(!is_empty(), "shouldn't dequeue from empty list");
   GCTask* result = remove();
   assert(result != NULL, "shouldn't have NULL task");
   if (TraceGCTaskQueue) {
-    tty->print_cr("    return: " INTPTR_FORMAT, result);
+    tty->print_cr("    return: " INTPTR_FORMAT, p2i(result));
     print("after:");
   }
   return result;
@@ -251,7 +249,7 @@
 GCTask* GCTaskQueue::dequeue(uint affinity) {
   if (TraceGCTaskQueue) {
     tty->print_cr("[" INTPTR_FORMAT "]"
-                  " GCTaskQueue::dequeue(%u)", this, affinity);
+                  " GCTaskQueue::dequeue(%u)", p2i(this), affinity);
     print("before:");
   }
   assert(!is_empty(), "shouldn't dequeue from empty list");
@@ -275,7 +273,7 @@
     result = remove();
   }
   if (TraceGCTaskQueue) {
-    tty->print_cr("    return: " INTPTR_FORMAT, result);
+    tty->print_cr("    return: " INTPTR_FORMAT, p2i(result));
     print("after:");
   }
   return result;
@@ -345,7 +343,7 @@
                 "  remove_end: " INTPTR_FORMAT
                 "  length:       %d"
                 "  %s",
-                this, insert_end(), remove_end(), length(), message);
+                p2i(this), p2i(insert_end()), p2i(remove_end()), length(), message);
   uint count = 0;
   for (GCTask* element = insert_end();
        element != NULL;
@@ -486,7 +484,7 @@
 
   assert(!all_workers_active() || active_workers() == ParallelGCThreads,
          err_msg("all_workers_active() is  incorrect: "
-                 "active %d  ParallelGCThreads %d", active_workers(),
+                 "active %d  ParallelGCThreads " UINTX_FORMAT, active_workers(),
                  ParallelGCThreads));
   if (TraceDynamicGCThreads) {
     gclog_or_tty->print_cr("GCTaskManager::set_active_gang(): "
@@ -598,7 +596,7 @@
   MutexLockerEx ml(monitor(), Mutex::_no_safepoint_check_flag);
   if (TraceGCTaskManager) {
     tty->print_cr("GCTaskManager::add_task(" INTPTR_FORMAT " [%s])",
-                  task, GCTask::Kind::to_string(task->kind()));
+                  p2i(task), GCTask::Kind::to_string(task->kind()));
   }
   queue()->enqueue(task);
   // Notify with the lock held to avoid missed notifies.
@@ -678,7 +676,7 @@
   assert(result != NULL, "shouldn't have null task");
   if (TraceGCTaskManager) {
     tty->print_cr("GCTaskManager::get_task(%u) => " INTPTR_FORMAT " [%s]",
-                  which, result, GCTask::Kind::to_string(result->kind()));
+                  which, p2i(result), GCTask::Kind::to_string(result->kind()));
     tty->print_cr("     %s", result->name());
   }
   if (!result->is_idle_task()) {
@@ -864,7 +862,7 @@
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " IdleGCTask:::do_it()"
       "  should_wait: %s",
-      this, wait_for_task->should_wait() ? "true" : "false");
+      p2i(this), wait_for_task->should_wait() ? "true" : "false");
   }
   MutexLockerEx ml(manager->monitor(), Mutex::_no_safepoint_check_flag);
   if (TraceDynamicGCThreads) {
@@ -878,7 +876,7 @@
       tty->print_cr("[" INTPTR_FORMAT "]"
                     " IdleGCTask::do_it()"
         "  [" INTPTR_FORMAT "] (%s)->wait()",
-        this, manager->monitor(), manager->monitor()->name());
+        p2i(this), p2i(manager->monitor()), manager->monitor()->name());
     }
     manager->monitor()->wait(Mutex::_no_safepoint_check_flag, 0);
   }
@@ -890,7 +888,7 @@
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " IdleGCTask::do_it() returns"
       "  should_wait: %s",
-      this, wait_for_task->should_wait() ? "true" : "false");
+      p2i(this), wait_for_task->should_wait() ? "true" : "false");
   }
   // Release monitor().
 }
@@ -1000,7 +998,7 @@
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " WaitForBarrierGCTask::WaitForBarrierGCTask()"
                   "  monitor: " INTPTR_FORMAT,
-                  this, monitor());
+                  p2i(this), p2i(monitor()));
   }
 }
 
@@ -1011,9 +1009,9 @@
                     " WaitForBarrierGCTask::destroy()"
                     "  is_c_heap_obj: %s"
                     "  monitor: " INTPTR_FORMAT,
-                    that,
+                    p2i(that),
                     that->is_c_heap_obj() ? "true" : "false",
-                    that->monitor());
+                    p2i(that->monitor()));
     }
     that->destruct();
     if (that->is_c_heap_obj()) {
@@ -1028,7 +1026,7 @@
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " WaitForBarrierGCTask::destruct()"
                   "  monitor: " INTPTR_FORMAT,
-                  this, monitor());
+                  p2i(this), p2i(monitor()));
   }
   this->BarrierGCTask::destruct();
   // Clean up that should be in the destructor,
@@ -1044,7 +1042,7 @@
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " WaitForBarrierGCTask::do_it() waiting for idle"
                   "  monitor: " INTPTR_FORMAT,
-                  this, monitor());
+                  p2i(this), p2i(monitor()));
   }
   {
     // First, wait for the barrier to arrive.
@@ -1062,7 +1060,7 @@
       tty->print_cr("[" INTPTR_FORMAT "]"
                     " WaitForBarrierGCTask::do_it()"
                     "  [" INTPTR_FORMAT "] (%s)->notify_all()",
-                    this, monitor(), monitor()->name());
+                    p2i(this), p2i(monitor()), monitor()->name());
     }
     monitor()->notify_all();
     // Release monitor().
@@ -1074,7 +1072,7 @@
     tty->print_cr("[" INTPTR_FORMAT "]"
                   " WaitForBarrierGCTask::wait_for()"
       "  should_wait: %s",
-      this, should_wait() ? "true" : "false");
+      p2i(this), should_wait() ? "true" : "false");
   }
   {
     // Grab the lock and check again.
@@ -1084,7 +1082,7 @@
         tty->print_cr("[" INTPTR_FORMAT "]"
                       " WaitForBarrierGCTask::wait_for()"
           "  [" INTPTR_FORMAT "] (%s)->wait()",
-          this, monitor(), monitor()->name());
+          p2i(this), p2i(monitor()), monitor()->name());
       }
       monitor()->wait(Mutex::_no_safepoint_check_flag, 0);
     }
@@ -1096,7 +1094,7 @@
       tty->print_cr("[" INTPTR_FORMAT "]"
                     " WaitForBarrierGCTask::wait_for() returns"
         "  should_wait: %s",
-        this, should_wait() ? "true" : "false");
+        p2i(this), should_wait() ? "true" : "false");
     }
     // Release monitor().
   }
--- a/src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -34,8 +34,6 @@
 #include "runtime/os.hpp"
 #include "runtime/thread.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 GCTaskThread::GCTaskThread(GCTaskManager* manager,
                            uint           which,
                            uint           processor_id) :
@@ -79,7 +77,7 @@
   tty->print_cr("GC-Thread %u entries: %d", id(), _time_stamp_index);
   for(uint i=0; i<_time_stamp_index; i++) {
     GCTaskTimeStamp* time_stamp = time_stamp_at(i);
-    tty->print_cr("\t[ %s " INT64_FORMAT " " INT64_FORMAT " ]",
+    tty->print_cr("\t[ %s " JLONG_FORMAT " " JLONG_FORMAT " ]",
                   time_stamp->name(),
                   time_stamp->entry_time(),
                   time_stamp->exit_time());
--- a/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -203,17 +203,6 @@
   return is_in_young((oop)addr);
 }
 
-#ifdef ASSERT
-// Don't implement this by using is_in_young().  This method is used
-// in some cases to check that is_in_young() is correct.
-bool ParallelScavengeHeap::is_in_partial_collection(const void *p) {
-  assert(is_in_reserved(p) || p == NULL,
-    "Does not work if address is non-null and outside of the heap");
-  // The order of the generations is old (low addr), young (high addr)
-  return p >= old_gen()->reserved().end();
-}
-#endif
-
 // There are two levels of allocation policy here.
 //
 // When an allocation request fails, the requesting thread must invoke a VM
--- a/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, 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
@@ -83,7 +83,7 @@
     MarkSweep
   };
 
-  ParallelScavengeHeap::Name kind() const {
+  virtual Name kind() const {
     return CollectedHeap::ParallelScavengeHeap;
   }
 
@@ -141,10 +141,6 @@
 
   bool is_in_reserved(const void* p) const;
 
-#ifdef ASSERT
-  virtual bool is_in_partial_collection(const void *p);
-#endif
-
   bool is_in_young(oop p);  // reserved part
   bool is_in_old(oop p);    // reserved part
 
--- a/src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -27,6 +27,7 @@
 #include "code/codeCache.hpp"
 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
 #include "gc_implementation/parallelScavenge/pcTasks.hpp"
+#include "gc_implementation/parallelScavenge/psCompactionManager.inline.hpp"
 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
 #include "gc_implementation/shared/gcTimer.hpp"
 #include "gc_implementation/shared/gcTraceTime.hpp"
@@ -34,7 +35,6 @@
 #include "memory/universe.hpp"
 #include "oops/objArrayKlass.inline.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #include "prims/jvmtiExport.hpp"
 #include "runtime/fprofiler.hpp"
 #include "runtime/jniHandles.hpp"
@@ -42,8 +42,6 @@
 #include "runtime/vmThread.hpp"
 #include "services/management.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 //
 // ThreadRootsMarkingTask
 //
@@ -221,12 +219,11 @@
   int random_seed = 17;
   do {
     while (ParCompactionManager::steal_objarray(which, &random_seed, task)) {
-      ObjArrayKlass* k = (ObjArrayKlass*)task.obj()->klass();
-      k->oop_follow_contents(cm, task.obj(), task.index());
+      cm->follow_contents((objArrayOop)task.obj(), task.index());
       cm->follow_marking_stacks();
     }
     while (ParCompactionManager::steal(which, &random_seed, obj)) {
-      obj->follow_contents(cm);
+      cm->follow_contents(obj);
       cm->follow_marking_stacks();
     }
   } while (!terminator()->offer_termination());
@@ -257,7 +254,7 @@
     which_stack_index = which;
     assert(manager->active_workers() == ParallelGCThreads,
            err_msg("all_workers_active has been incorrectly set: "
-                   " active %d  ParallelGCThreads %d", manager->active_workers(),
+                   " active %d  ParallelGCThreads " UINTX_FORMAT, manager->active_workers(),
                    ParallelGCThreads));
   } else {
     which_stack_index = ParCompactionManager::pop_recycled_stack_index();
@@ -269,7 +266,7 @@
     gclog_or_tty->print_cr("StealRegionCompactionTask::do_it "
                            "region_stack_index %d region_stack = " PTR_FORMAT " "
                            " empty (%d) use all workers %d",
-    which_stack_index, ParCompactionManager::region_list(which_stack_index),
+    which_stack_index, p2i(ParCompactionManager::region_list(which_stack_index)),
     cm->region_stack()->is_empty(),
     use_all_workers);
   }
@@ -336,7 +333,7 @@
     which_stack_index = which;
     assert(manager->active_workers() == ParallelGCThreads,
            err_msg("all_workers_active has been incorrectly set: "
-                   " active %d  ParallelGCThreads %d", manager->active_workers(),
+                   " active %d  ParallelGCThreads " UINTX_FORMAT, manager->active_workers(),
                    ParallelGCThreads));
   } else {
     which_stack_index = stack_index();
@@ -370,7 +367,7 @@
       void* old_region_stack = (void*) cm->region_stack();
       int old_region_stack_index = cm->region_stack_index();
       gclog_or_tty->print_cr("Pushing region stack " PTR_FORMAT "/%d",
-        old_region_stack, old_region_stack_index);
+        p2i(old_region_stack), old_region_stack_index);
     }
 
     cm->set_region_stack(NULL);
--- a/src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -35,8 +35,6 @@
 
 #include <math.h>
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 PSAdaptiveSizePolicy::PSAdaptiveSizePolicy(size_t init_eden_size,
                                            size_t init_promo_size,
                                            size_t init_survivor_size,
--- a/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2015, 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
@@ -28,12 +28,11 @@
 #include "gc_implementation/parallelScavenge/objectStartArray.hpp"
 #include "gc_implementation/parallelScavenge/parMarkBitMap.hpp"
 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
-#include "gc_implementation/parallelScavenge/psCompactionManager.hpp"
+#include "gc_implementation/parallelScavenge/psCompactionManager.inline.hpp"
 #include "gc_implementation/parallelScavenge/psOldGen.hpp"
 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
 #include "oops/objArrayKlass.inline.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #include "runtime/atomic.inline.hpp"
 #include "utilities/stack.inline.hpp"
 
@@ -180,17 +179,16 @@
     // Drain the overflow stack first, to allow stealing from the marking stack.
     oop obj;
     while (marking_stack()->pop_overflow(obj)) {
-      obj->follow_contents(this);
+      follow_contents(obj);
     }
     while (marking_stack()->pop_local(obj)) {
-      obj->follow_contents(this);
+      follow_contents(obj);
     }
 
     // Process ObjArrays one at a time to avoid marking stack bloat.
     ObjArrayTask task;
     if (_objarray_stack.pop_overflow(task) || _objarray_stack.pop_local(task)) {
-      ObjArrayKlass* k = (ObjArrayKlass*)task.obj()->klass();
-      k->oop_follow_contents(this, task.obj(), task.index());
+      follow_contents((objArrayOop)task.obj(), task.index());
     }
   } while (!marking_stacks_empty());
 
--- a/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2015, 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
@@ -196,6 +196,10 @@
   // Process tasks remaining on any stack
   void drain_region_stacks();
 
+  void follow_contents(oop obj);
+  void follow_contents(objArrayOop array, int index);
+
+  void update_contents(oop obj);
 };
 
 inline ParCompactionManager* ParCompactionManager::manager_array(int index) {
--- a/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.inline.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.inline.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2015 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
@@ -27,6 +27,8 @@
 
 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp"
 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
+#include "oops/objArrayKlass.inline.hpp"
+#include "oops/oop.pcgc.inline.hpp"
 
 void ParCompactionManager::push_objarray(oop obj, size_t index)
 {
@@ -46,4 +48,17 @@
   region_stack()->push(index);
 }
 
+inline void ParCompactionManager::follow_contents(oop obj) {
+  obj->follow_contents(this);
+}
+
+inline void ParCompactionManager::follow_contents(objArrayOop obj, int index) {
+  ObjArrayKlass* k = (ObjArrayKlass*)obj->klass();
+  k->oop_follow_contents(this, obj, index);
+}
+
+inline void ParCompactionManager::update_contents(oop obj) {
+  obj->update_contents(this);
+}
+
 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP
--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -54,8 +54,6 @@
 #include "utilities/events.hpp"
 #include "utilities/stack.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 elapsedTimer        PSMarkSweep::_accumulated_time;
 jlong               PSMarkSweep::_time_of_last_gc   = 0;
 CollectorCounters*  PSMarkSweep::_counters = NULL;
@@ -670,7 +668,7 @@
   jlong ret_val = now - _time_of_last_gc;
   // XXX See note in genCollectedHeap::millis_since_last_gc().
   if (ret_val < 0) {
-    NOT_PRODUCT(warning("time warp: "INT64_FORMAT, ret_val);)
+    NOT_PRODUCT(warning("time warp: " JLONG_FORMAT, ret_val);)
     return 0;
   }
   return ret_val;
--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, 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
@@ -303,7 +303,7 @@
 
     while (q < end) {
       // point all the oops to the new location
-      size_t size = oop(q)->adjust_pointers();
+      size_t size = MarkSweep::adjust_pointers(oop(q));
       q += size;
     }
 
@@ -324,7 +324,7 @@
     if (oop(q)->is_gc_marked()) {
       // q is alive
       // point all the oops to the new location
-      size_t size = oop(q)->adjust_pointers();
+      size_t size = MarkSweep::adjust_pointers(oop(q));
       debug_only(prev_q = q);
       q += size;
     } else {
--- a/src/share/vm/gc_implementation/parallelScavenge/psOldGen.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psOldGen.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -33,8 +33,6 @@
 #include "oops/oop.inline.hpp"
 #include "runtime/java.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 inline const char* PSOldGen::select_name() {
   return UseParallelOldGC ? "ParOldGen" : "PSOldGen";
 }
@@ -440,9 +438,9 @@
                 capacity_in_bytes()/K, used_in_bytes()/K);
   }
   st->print_cr(" [" INTPTR_FORMAT ", " INTPTR_FORMAT ", " INTPTR_FORMAT ")",
-                virtual_space()->low_boundary(),
-                virtual_space()->high(),
-                virtual_space()->high_boundary());
+                p2i(virtual_space()->low_boundary()),
+                p2i(virtual_space()->high()),
+                p2i(virtual_space()->high_boundary()));
 
   st->print("  object"); object_space()->print_on(st);
 }
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -50,7 +50,6 @@
 #include "memory/referenceProcessor.hpp"
 #include "oops/methodData.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #include "runtime/atomic.inline.hpp"
 #include "runtime/fprofiler.hpp"
 #include "runtime/safepoint.hpp"
@@ -63,8 +62,6 @@
 
 #include <math.h>
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 // All sizes are in HeapWords.
 const size_t ParallelCompactData::Log2RegionSize  = 16; // 64K words
 const size_t ParallelCompactData::RegionSize      = (size_t)1 << Log2RegionSize;
@@ -223,7 +220,7 @@
                 REGION_IDX_FORMAT " " PTR_FORMAT " "
                 REGION_DATA_FORMAT " " REGION_DATA_FORMAT " "
                 REGION_DATA_FORMAT " " REGION_IDX_FORMAT " %d",
-                i, c->data_location(), dci, c->destination(),
+                i, p2i(c->data_location()), dci, p2i(c->destination()),
                 c->partial_obj_size(), c->live_obj_size(),
                 c->data_size(), c->source_region(), c->destination_count());
 
@@ -273,7 +270,7 @@
   tty->print(SIZE_FORMAT_W(5) " " PTR_FORMAT " "
              SIZE_FORMAT_W(5) " " SIZE_FORMAT_W(5) " "
              SIZE_FORMAT_W(5) " " SIZE_FORMAT_W(5) " %d",
-             i, c->destination(),
+             i, p2i(c->destination()),
              c->partial_obj_size(), c->live_obj_size(),
              c->data_size(), c->source_region(), c->destination_count());
   if (newline) tty->cr();
@@ -634,13 +631,13 @@
     const char * split_type = partial_obj_size == 0 ? "easy" : "hard";
     gclog_or_tty->print_cr("%s split:  src=" PTR_FORMAT " src_c=" SIZE_FORMAT
                            " pos=" SIZE_FORMAT,
-                           split_type, source_next, split_region,
+                           split_type, p2i(source_next), split_region,
                            partial_obj_size);
     gclog_or_tty->print_cr("%s split:  dst=" PTR_FORMAT " dst_c=" SIZE_FORMAT
                            " tn=" PTR_FORMAT,
-                           split_type, split_destination,
+                           split_type, p2i(split_destination),
                            addr_to_region_idx(split_destination),
-                           *target_next);
+                           p2i(*target_next));
 
     if (partial_obj_size != 0) {
       HeapWord* const po_beg = split_info.destination();
@@ -649,8 +646,8 @@
                              "po_beg=" PTR_FORMAT " " SIZE_FORMAT " "
                              "po_end=" PTR_FORMAT " " SIZE_FORMAT,
                              split_type,
-                             po_beg, addr_to_region_idx(po_beg),
-                             po_end, addr_to_region_idx(po_end));
+                             p2i(po_beg), addr_to_region_idx(po_beg),
+                             p2i(po_end), addr_to_region_idx(po_end));
     }
   }
 
@@ -667,8 +664,8 @@
     HeapWord* const source_next_val = source_next == NULL ? NULL : *source_next;
     tty->print_cr("sb=" PTR_FORMAT " se=" PTR_FORMAT " sn=" PTR_FORMAT
                   "tb=" PTR_FORMAT " te=" PTR_FORMAT " tn=" PTR_FORMAT,
-                  source_beg, source_end, source_next_val,
-                  target_beg, target_end, *target_next);
+                  p2i(source_beg), p2i(source_end), p2i(source_next_val),
+                  p2i(target_beg), p2i(target_end), p2i(*target_next));
   }
 
   size_t cur_region = addr_to_region_idx(source_beg);
@@ -1133,9 +1130,9 @@
     const size_t cur_deadwood = pointer_delta(dense_prefix, region_destination);
     if (TraceParallelOldGCDensePrefix && Verbose) {
       tty->print_cr("c#=" SIZE_FORMAT_W(4) " dst=" PTR_FORMAT " "
-                    "dp=" SIZE_FORMAT_W(8) " " "cdw=" SIZE_FORMAT_W(8),
-                    sd.region(cp), region_destination,
-                    dense_prefix, cur_deadwood);
+                    "dp=" PTR_FORMAT " " "cdw=" SIZE_FORMAT_W(8),
+                    sd.region(cp), p2i(region_destination),
+                    p2i(dense_prefix), cur_deadwood);
     }
 
     if (cur_deadwood >= deadwood_goal) {
@@ -1201,7 +1198,7 @@
                 "d2l=" SIZE_FORMAT " d2l%%=%6.4f "
                 "d2r=" SIZE_FORMAT " l2r=" SIZE_FORMAT
                 " ratio=%10.8f",
-                algorithm, addr, region_idx,
+                algorithm, p2i(addr), region_idx,
                 space_live,
                 dead_to_left, dead_to_left_pct,
                 dead_to_right, live_to_right,
@@ -1469,7 +1466,7 @@
 {
   if (TraceParallelOldGCSummaryPhase) {
     tty->print_cr("fill_with_live_objects [" PTR_FORMAT " " PTR_FORMAT ") "
-                  SIZE_FORMAT, start, start + words, words);
+                  SIZE_FORMAT, p2i(start), p2i(start + words), words);
   }
 
   ObjectStartArray* const start_array = _space_info[id].start_array();
@@ -1811,9 +1808,9 @@
     tty->print_cr("id=%d cap=" SIZE_FORMAT " dp=" PTR_FORMAT " "
                   "dp_region=" SIZE_FORMAT " " "dp_count=" SIZE_FORMAT " "
                   "cr_count=" SIZE_FORMAT " " "nt=" PTR_FORMAT,
-                  id, space->capacity_in_words(), dense_prefix_end,
+                  id, space->capacity_in_words(), p2i(dense_prefix_end),
                   dp_region, dp_words / region_size,
-                  cr_words / region_size, new_top);
+                  cr_words / region_size, p2i(new_top));
   }
 }
 
@@ -1831,10 +1828,10 @@
                   SIZE_FORMAT "-" SIZE_FORMAT,
                   src_space_id, space_names[src_space_id],
                   dst_space_id, space_names[dst_space_id],
-                  src_beg, src_end,
+                  p2i(src_beg), p2i(src_end),
                   _summary_data.addr_to_region_idx(src_beg),
                   _summary_data.addr_to_region_idx(src_end),
-                  dst_beg, dst_end,
+                  p2i(dst_beg), p2i(dst_end),
                   _summary_data.addr_to_region_idx(dst_beg),
                   _summary_data.addr_to_region_idx(dst_end));
   }
@@ -2234,8 +2231,8 @@
   heap->trace_heap_after_gc(&_gc_tracer);
 
   if (PrintGCTaskTimeStamps) {
-    gclog_or_tty->print_cr("VM-Thread " INT64_FORMAT " " INT64_FORMAT " "
-                           INT64_FORMAT,
+    gclog_or_tty->print_cr("VM-Thread " JLONG_FORMAT " " JLONG_FORMAT " "
+                           JLONG_FORMAT,
                            marking_start.ticks(), compaction_start.ticks(),
                            collection_exit.ticks());
     gc_task_manager()->print_task_time_stamps();
@@ -2754,7 +2751,7 @@
     const RegionData* const c = sd.region(cur_region);
     if (!c->completed()) {
       warning("region " SIZE_FORMAT " not filled:  "
-              "destination_count=" SIZE_FORMAT,
+              "destination_count=%u",
               cur_region, c->destination_count());
       issued_a_warning = true;
     }
@@ -2764,7 +2761,7 @@
     const RegionData* const c = sd.region(cur_region);
     if (!c->available()) {
       warning("region " SIZE_FORMAT " not empty:   "
-              "destination_count=" SIZE_FORMAT,
+              "destination_count=%u",
               cur_region, c->destination_count());
       issued_a_warning = true;
     }
@@ -2776,6 +2773,11 @@
 }
 #endif  // #ifdef ASSERT
 
+inline void UpdateOnlyClosure::do_addr(HeapWord* addr) {
+  _start_array->allocate_block(addr);
+  compaction_manager()->update_contents(oop(addr));
+}
+
 // Update interior oops in the ranges of regions [beg_region, end_region).
 void
 PSParallelCompact::update_and_deadwood_in_dense_prefix(ParCompactionManager* cm,
@@ -2876,7 +2878,7 @@
       if (start_array != NULL) {
         start_array->allocate_block(addr);
       }
-      oop(addr)->update_contents(cm);
+      cm->update_contents(oop(addr));
       assert(oop(addr)->is_oop_or_null(), err_msg("Expected an oop or NULL at " PTR_FORMAT, p2i(oop(addr))));
     }
   }
@@ -3294,7 +3296,7 @@
   jlong ret_val = now - _time_of_last_gc;
   // XXX See note in genCollectedHeap::millis_since_last_gc().
   if (ret_val < 0) {
-    NOT_PRODUCT(warning("time warp: "INT64_FORMAT, ret_val);)
+    NOT_PRODUCT(warning("time warp: " JLONG_FORMAT, ret_val);)
     return 0;
   }
   return ret_val;
@@ -3360,7 +3362,7 @@
   }
 
   oop moved_oop = (oop) destination();
-  moved_oop->update_contents(compaction_manager());
+  compaction_manager()->update_contents(moved_oop);
   assert(moved_oop->is_oop_or_null(), err_msg("Expected an oop or NULL at " PTR_FORMAT, p2i(moved_oop)));
 
   update_state(words);
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1025,9 +1025,6 @@
                             bool maximum_heap_compaction,
                             ParallelOldTracer *gc_tracer);
 
-  template <class T>
-  static inline void follow_root(ParCompactionManager* cm, T* p);
-
   // Compute the dense prefix for the designated space.  This is an experimental
   // implementation currently not used in production.
   static HeapWord* compute_dense_prefix_via_density(const SpaceId id,
@@ -1336,23 +1333,6 @@
 }
 
 template <class T>
-inline void PSParallelCompact::follow_root(ParCompactionManager* cm, T* p) {
-  assert(!Universe::heap()->is_in_reserved(p),
-         "roots shouldn't be things within the heap");
-
-  T heap_oop = oopDesc::load_heap_oop(p);
-  if (!oopDesc::is_null(heap_oop)) {
-    oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
-    if (mark_bitmap()->is_unmarked(obj)) {
-      if (mark_obj(obj)) {
-        obj->follow_contents(cm);
-      }
-    }
-  }
-  cm->follow_marking_stacks();
-}
-
-template <class T>
 inline void PSParallelCompact::mark_and_push(ParCompactionManager* cm, T* p) {
   T heap_oop = oopDesc::load_heap_oop(p);
   if (!oopDesc::is_null(heap_oop)) {
@@ -1524,12 +1504,6 @@
   inline void do_addr(HeapWord* addr);
 };
 
-inline void UpdateOnlyClosure::do_addr(HeapWord* addr)
-{
-  _start_array->allocate_block(addr);
-  oop(addr)->update_contents(compaction_manager());
-}
-
 class FillClosure: public ParMarkBitMapClosure
 {
 public:
--- a/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -33,11 +33,8 @@
 #include "memory/memRegion.hpp"
 #include "memory/padded.inline.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.psgc.inline.hpp"
 #include "utilities/stack.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 PaddedEnd<PSPromotionManager>* PSPromotionManager::_manager_array = NULL;
 OopStarTaskQueueSet*           PSPromotionManager::_stack_array_depth = NULL;
 PSOldGen*                      PSPromotionManager::_old_gen = NULL;
@@ -325,7 +322,7 @@
 
     _promotion_failed_info.register_copy_failure(obj->size());
 
-    obj->push_contents(this);
+    push_contents(obj);
 
     // Save the mark if needed
     PSScavenge::oop_promotion_failed(obj, obj_mark);
@@ -342,7 +339,7 @@
     gclog_or_tty->print_cr("{%s %s " PTR_FORMAT " (%d)}",
                            "promotion-failure",
                            obj->klass()->internal_name(),
-                           (void *)obj, obj->size());
+                           p2i(obj), obj->size());
 
   }
 #endif
--- a/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2015, 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
@@ -212,6 +212,8 @@
   template <class T> inline void claim_or_forward_depth(T* p);
 
   TASKQUEUE_STATS_ONLY(inline void record_steal(StarTask& p);)
+
+  void push_contents(oop obj);
 };
 
 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPROMOTIONMANAGER_HPP
--- a/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.inline.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.inline.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2015, 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
@@ -91,6 +91,9 @@
   }
 }
 
+inline void PSPromotionManager::push_contents(oop obj) {
+  obj->push_contents(this);
+}
 //
 // This method is pretty bulky. It would be nice to split it up
 // into smaller submethods, but we need to be careful not to hurt
@@ -227,7 +230,7 @@
         TASKQUEUE_STATS_ONLY(++_arrays_chunked; ++_masked_pushes);
       } else {
         // we'll just push its contents
-        new_obj->push_contents(this);
+        push_contents(new_obj);
       }
     }  else {
       // We lost, someone else "owns" this object
--- a/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -46,7 +46,6 @@
 #include "memory/referenceProcessor.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.psgc.inline.hpp"
 #include "runtime/biasedLocking.hpp"
 #include "runtime/fprofiler.hpp"
 #include "runtime/handles.inline.hpp"
@@ -56,8 +55,6 @@
 #include "services/memoryService.hpp"
 #include "utilities/stack.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 HeapWord*                  PSScavenge::_to_space_top_before_gc = NULL;
 int                        PSScavenge::_consecutive_skipped_scavenges = 0;
 ReferenceProcessor*        PSScavenge::_ref_processor = NULL;
@@ -551,8 +548,8 @@
 
        if (PrintTenuringDistribution) {
          gclog_or_tty->cr();
-         gclog_or_tty->print_cr("Desired survivor size " SIZE_FORMAT " bytes, new threshold "
-                                UINTX_FORMAT " (max threshold " UINTX_FORMAT ")",
+         gclog_or_tty->print_cr("Desired survivor size " SIZE_FORMAT " bytes, new threshold %u"
+                                " (max threshold " UINTX_FORMAT ")",
                                 size_policy->calculated_survivor_size_in_bytes(),
                                 _tenuring_threshold, MaxTenuringThreshold);
        }
@@ -694,7 +691,7 @@
   scavenge_exit.update();
 
   if (PrintGCTaskTimeStamps) {
-    tty->print_cr("VM-Thread " INT64_FORMAT " " INT64_FORMAT " " INT64_FORMAT,
+    tty->print_cr("VM-Thread " JLONG_FORMAT " " JLONG_FORMAT " " JLONG_FORMAT,
                   scavenge_entry.ticks(), scavenge_midpoint.ticks(),
                   scavenge_exit.ticks());
     gc_task_manager()->print_task_time_stamps();
--- a/src/share/vm/gc_implementation/parallelScavenge/psTasks.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psTasks.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -35,7 +35,6 @@
 #include "memory/iterator.hpp"
 #include "memory/universe.hpp"
 #include "oops/oop.inline.hpp"
-#include "oops/oop.psgc.inline.hpp"
 #include "runtime/fprofiler.hpp"
 #include "runtime/thread.hpp"
 #include "runtime/vmThread.hpp"
--- a/src/share/vm/gc_implementation/parallelScavenge/psVirtualspace.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psVirtualspace.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -27,8 +27,6 @@
 #include "runtime/os.hpp"
 #include "runtime/virtualspace.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 // PSVirtualSpace
 
 PSVirtualSpace::PSVirtualSpace(ReservedSpace rs, size_t alignment) :
@@ -218,22 +216,22 @@
 void PSVirtualSpace::print() const {
   gclog_or_tty->print_cr("virtual space [" PTR_FORMAT "]:  alignment="
                          SIZE_FORMAT "K grows %s%s",
-                         this, alignment() / K, grows_up() ? "up" : "down",
+                         p2i(this), alignment() / K, grows_up() ? "up" : "down",
                          special() ? " (pinned in memory)" : "");
   gclog_or_tty->print_cr("    reserved=" SIZE_FORMAT "K"
                          " [" PTR_FORMAT "," PTR_FORMAT "]"
                          " committed=" SIZE_FORMAT "K"
                          " [" PTR_FORMAT "," PTR_FORMAT "]",
                          reserved_size() / K,
-                         reserved_low_addr(), reserved_high_addr(),
+                         p2i(reserved_low_addr()), p2i(reserved_high_addr()),
                          committed_size() / K,
-                         committed_low_addr(), committed_high_addr());
+                         p2i(committed_low_addr()), p2i(committed_high_addr()));
 }
 #endif // #ifndef PRODUCT
 
 void PSVirtualSpace::print_space_boundaries_on(outputStream* st) const {
   st->print_cr(" [" PTR_FORMAT ", " PTR_FORMAT ", " PTR_FORMAT ")",
-               low_boundary(), high(), high_boundary());
+               p2i(low_boundary()), p2i(high()), p2i(high_boundary()));
 }
 
 PSVirtualSpaceHighToLow::PSVirtualSpaceHighToLow(ReservedSpace rs,
@@ -350,5 +348,5 @@
 void
 PSVirtualSpaceHighToLow::print_space_boundaries_on(outputStream* st) const {
   st->print_cr(" (" PTR_FORMAT ", " PTR_FORMAT ", " PTR_FORMAT "]",
-               high_boundary(), low(), low_boundary());
+               p2i(high_boundary()), p2i(low()), p2i(low_boundary()));
 }
--- a/src/share/vm/gc_implementation/parallelScavenge/psYoungGen.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psYoungGen.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -33,8 +33,6 @@
 #include "oops/oop.inline.hpp"
 #include "runtime/java.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 PSYoungGen::PSYoungGen(size_t        initial_size,
                        size_t        min_size,
                        size_t        max_size) :
@@ -419,20 +417,22 @@
     // s1
     gclog_or_tty->print_cr("Current region: [" PTR_FORMAT ", " PTR_FORMAT ") "
       "New region: [" PTR_FORMAT ", " PTR_FORMAT ")",
-      s1->bottom(), s1->end(), s1MR.start(), s1MR.end());
+      p2i(s1->bottom()), p2i(s1->end()),
+      p2i(s1MR.start()), p2i(s1MR.end()));
     gclog_or_tty->print_cr("    Mangle before: [" PTR_FORMAT ", "
       PTR_FORMAT ")  Mangle after: [" PTR_FORMAT ", " PTR_FORMAT ")",
-      delta1_left.start(), delta1_left.end(), delta1_right.start(),
-      delta1_right.end());
+      p2i(delta1_left.start()), p2i(delta1_left.end()),
+      p2i(delta1_right.start()), p2i(delta1_right.end()));
 
     // s2
     gclog_or_tty->print_cr("Current region: [" PTR_FORMAT ", " PTR_FORMAT ") "
       "New region: [" PTR_FORMAT ", " PTR_FORMAT ")",
-      s2->bottom(), s2->end(), s2MR.start(), s2MR.end());
+      p2i(s2->bottom()), p2i(s2->end()),
+      p2i(s2MR.start()), p2i(s2MR.end()));
     gclog_or_tty->print_cr("    Mangle before: [" PTR_FORMAT ", "
       PTR_FORMAT ")  Mangle after: [" PTR_FORMAT ", " PTR_FORMAT ")",
-      delta2_left.start(), delta2_left.end(), delta2_right.start(),
-      delta2_right.end());
+      p2i(delta2_left.start()), p2i(delta2_left.end()),
+      p2i(delta2_right.start()), p2i(delta2_right.end()));
   }
 
 }
@@ -456,22 +456,22 @@
                   requested_eden_size, requested_survivor_size);
     gclog_or_tty->print_cr("    eden: [" PTR_FORMAT ".." PTR_FORMAT ") "
                   SIZE_FORMAT,
-                  eden_space()->bottom(),
-                  eden_space()->end(),
+                  p2i(eden_space()->bottom()),
+                  p2i(eden_space()->end()),
                   pointer_delta(eden_space()->end(),
                                 eden_space()->bottom(),
                                 sizeof(char)));
     gclog_or_tty->print_cr("    from: [" PTR_FORMAT ".." PTR_FORMAT ") "
                   SIZE_FORMAT,
-                  from_space()->bottom(),
-                  from_space()->end(),
+                  p2i(from_space()->bottom()),
+                  p2i(from_space()->end()),
                   pointer_delta(from_space()->end(),
                                 from_space()->bottom(),
                                 sizeof(char)));
     gclog_or_tty->print_cr("      to: [" PTR_FORMAT ".." PTR_FORMAT ") "
                   SIZE_FORMAT,
-                  to_space()->bottom(),
-                  to_space()->end(),
+                  p2i(to_space()->bottom()),
+                  p2i(to_space()->end()),
                   pointer_delta(  to_space()->end(),
                                   to_space()->bottom(),
                                   sizeof(char)));
@@ -572,18 +572,18 @@
     if (PrintAdaptiveSizePolicy && Verbose) {
       gclog_or_tty->print_cr("    [eden_start .. eden_end): "
                     "[" PTR_FORMAT " .. " PTR_FORMAT ") " SIZE_FORMAT,
-                    eden_start,
-                    eden_end,
+                    p2i(eden_start),
+                    p2i(eden_end),
                     pointer_delta(eden_end, eden_start, sizeof(char)));
       gclog_or_tty->print_cr("    [from_start .. from_end): "
                     "[" PTR_FORMAT " .. " PTR_FORMAT ") " SIZE_FORMAT,
-                    from_start,
-                    from_end,
+                    p2i(from_start),
+                    p2i(from_end),
                     pointer_delta(from_end, from_start, sizeof(char)));
       gclog_or_tty->print_cr("    [  to_start ..   to_end): "
                     "[" PTR_FORMAT " .. " PTR_FORMAT ") " SIZE_FORMAT,
-                    to_start,
-                    to_end,
+                    p2i(to_start),
+                    p2i(to_end),
                     pointer_delta(  to_end,   to_start, sizeof(char)));
     }
   } else {
@@ -629,18 +629,18 @@
     if (PrintAdaptiveSizePolicy && Verbose) {
       gclog_or_tty->print_cr("    [eden_start .. eden_end): "
                     "[" PTR_FORMAT " .. " PTR_FORMAT ") " SIZE_FORMAT,
-                    eden_start,
-                    eden_end,
+                    p2i(eden_start),
+                    p2i(eden_end),
                     pointer_delta(eden_end, eden_start, sizeof(char)));
       gclog_or_tty->print_cr("    [  to_start ..   to_end): "
                     "[" PTR_FORMAT " .. " PTR_FORMAT ") " SIZE_FORMAT,
-                    to_start,
-                    to_end,
+                    p2i(to_start),
+                    p2i(to_end),
                     pointer_delta(  to_end,   to_start, sizeof(char)));
       gclog_or_tty->print_cr("    [from_start .. from_end): "
                     "[" PTR_FORMAT " .. " PTR_FORMAT ") " SIZE_FORMAT,
-                    from_start,
-                    from_end,
+                    p2i(from_start),
+                    p2i(from_end),
                     pointer_delta(from_end, from_start, sizeof(char)));
     }
   }
--- a/src/share/vm/gc_implementation/shared/markSweep.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/shared/markSweep.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -32,8 +32,6 @@
 #include "oops/objArrayKlass.inline.hpp"
 #include "oops/oop.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 uint                    MarkSweep::_total_invocations = 0;
 
 Stack<oop, mtGC>              MarkSweep::_marking_stack;
@@ -64,18 +62,22 @@
   MarkSweep::follow_cld_closure.do_cld(cld);
 }
 
+void MarkSweep::follow_array(objArrayOop array, int index) {
+  ObjArrayKlass* k = (ObjArrayKlass*)array->klass();
+  k->oop_follow_contents(array, index);
+}
+
 void MarkSweep::follow_stack() {
   do {
     while (!_marking_stack.is_empty()) {
       oop obj = _marking_stack.pop();
       assert (obj->is_gc_marked(), "p must be marked");
-      obj->follow_contents();
+      follow_object(obj);
     }
     // Process ObjArrays one at a time to avoid marking stack bloat.
     if (!_objarray_stack.is_empty()) {
       ObjArrayTask task = _objarray_stack.pop();
-      ObjArrayKlass* k = (ObjArrayKlass*)task.obj()->klass();
-      k->oop_follow_contents(task.obj(), task.index());
+      follow_array(objArrayOop(task.obj()), task.index());
     }
   } while (!_marking_stack.is_empty() || !_objarray_stack.is_empty());
 }
--- a/src/share/vm/gc_implementation/shared/markSweep.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/shared/markSweep.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -160,10 +160,16 @@
 
   static void follow_stack();   // Empty marking stack.
 
+  static void follow_object(oop obj);
+
+  static void follow_array(objArrayOop array, int index);
+
   static void follow_klass(Klass* klass);
 
   static void follow_class_loader(ClassLoaderData* cld);
 
+  static int adjust_pointers(oop obj);
+
   static void preserve_mark(oop p, markOop mark);
                                 // Save the mark word so it can be restored later
   static void adjust_marks();   // Adjust the pointers in the preserved marks table
--- a/src/share/vm/gc_implementation/shared/markSweep.inline.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/shared/markSweep.inline.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, 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
@@ -58,6 +58,10 @@
   MarkSweep::mark_and_push(&op);
 }
 
+inline void MarkSweep::follow_object(oop obj) {
+  obj->follow_contents();
+}
+
 template <class T> inline void MarkSweep::follow_root(T* p) {
   assert(!Universe::heap()->is_in_reserved(p),
          "roots shouldn't be things within the heap");
@@ -66,7 +70,7 @@
     oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
     if (!obj->mark()->is_marked()) {
       mark_object(obj);
-      obj->follow_contents();
+      follow_object(obj);
     }
   }
   follow_stack();
@@ -90,6 +94,10 @@
   _objarray_stack.push(task);
 }
 
+inline int MarkSweep::adjust_pointers(oop obj) {
+  return obj->adjust_pointers();
+}
+
 template <class T> inline void MarkSweep::adjust_pointer(T* p) {
   T heap_oop = oopDesc::load_heap_oop(p);
   if (!oopDesc::is_null(heap_oop)) {
--- a/src/share/vm/gc_implementation/shared/mutableNUMASpace.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/shared/mutableNUMASpace.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -31,8 +31,6 @@
 #include "runtime/atomic.inline.hpp"
 #include "runtime/thread.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 MutableNUMASpace::MutableNUMASpace(size_t alignment) : MutableSpace(alignment) {
   _lgrp_spaces = new (ResourceObj::C_HEAP, mtGC) GrowableArray<LGRPSpace*>(0, true);
   _page_size = os::vm_page_size();
@@ -973,7 +971,7 @@
       break;
     }
     if (e != scan_end) {
-      assert(e < scan_end, err_msg("e: " PTR_FORMAT " scan_end: " PTR_FORMAT, e, scan_end));
+      assert(e < scan_end, err_msg("e: " PTR_FORMAT " scan_end: " PTR_FORMAT, p2i(e), p2i(scan_end)));
 
       if ((page_expected.size != page_size || page_expected.lgrp_id != lgrp_id())
           && page_expected.size != 0) {
--- a/src/share/vm/gc_implementation/shared/mutableSpace.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/shared/mutableSpace.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -33,8 +33,6 @@
 #include "runtime/thread.hpp"
 #endif // INCLUDE_ALL_GCS
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 MutableSpace::MutableSpace(size_t alignment): ImmutableSpace(), _top(NULL), _alignment(alignment) {
   assert(MutableSpace::alignment() % os::vm_page_size() == 0,
          "Space should be aligned");
@@ -253,7 +251,7 @@
 void MutableSpace::print_on(outputStream* st) const {
   MutableSpace::print_short_on(st);
   st->print_cr(" [" INTPTR_FORMAT "," INTPTR_FORMAT "," INTPTR_FORMAT ")",
-                 bottom(), top(), end());
+                 p2i(bottom()), p2i(top()), p2i(end()));
 }
 
 void MutableSpace::verify() {
--- a/src/share/vm/gc_implementation/shared/spaceDecorator.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_implementation/shared/spaceDecorator.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -27,8 +27,6 @@
 #include "memory/space.inline.hpp"
 #include "utilities/copy.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 // Catch-all file for utility classes
 
 #ifndef PRODUCT
@@ -86,7 +84,7 @@
   assert(ZapUnusedHeapArea, "Mangling should not be in use");
 #ifdef ASSERT
   if(TraceZapUnusedHeapArea) {
-    gclog_or_tty->print("Mangling [" PTR_FORMAT " to " PTR_FORMAT ")", mr.start(), mr.end());
+    gclog_or_tty->print("Mangling [" PTR_FORMAT " to " PTR_FORMAT ")", p2i(mr.start()), p2i(mr.end()));
   }
   Copy::fill_to_words(mr.start(), mr.word_size(), badHeapWord);
   if(TraceZapUnusedHeapArea) {
--- a/src/share/vm/gc_interface/collectedHeap.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/gc_interface/collectedHeap.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -185,8 +185,6 @@
 
  public:
   enum Name {
-    Abstract,
-    SharedHeap,
     GenCollectedHeap,
     ParallelScavengeHeap,
     G1CollectedHeap
@@ -196,7 +194,7 @@
     return _filler_array_max_size;
   }
 
-  virtual CollectedHeap::Name kind() const { return CollectedHeap::Abstract; }
+  virtual Name kind() const = 0;
 
   /**
    * Returns JNI error code JNI_ENOMEM if memory could not be allocated,
@@ -291,12 +289,6 @@
     return p == NULL || is_in_closed_subset(p);
   }
 
-#ifdef ASSERT
-  // Returns true if "p" is in the part of the
-  // heap being collected.
-  virtual bool is_in_partial_collection(const void *p) = 0;
-#endif
-
   // An object is scavengable if its location may move during a scavenge.
   // (A scavenge is a GC which is not a full GC.)
   virtual bool is_scavengable(const void *p) = 0;
--- a/src/share/vm/memory/cardTableModRefBS.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/cardTableModRefBS.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -470,13 +470,9 @@
       fatal("Parallel gc not supported here.");
 #endif // INCLUDE_ALL_GCS
     } else {
-      // We do not call the non_clean_card_iterate_serial() version below because
-      // we want to clear the cards (which non_clean_card_iterate_serial() does not
-      // do for us): clear_cl here does the work of finding contiguous dirty ranges
-      // of cards to process and clear.
+      // clear_cl finds contiguous dirty ranges of cards to process and clear.
 
-      DirtyCardToOopClosure* dcto_cl = sp->new_dcto_cl(cl, precision(),
-                                                       cl->gen_boundary());
+      DirtyCardToOopClosure* dcto_cl = sp->new_dcto_cl(cl, precision(), cl->gen_boundary());
       ClearNoncleanCardWrapper clear_cl(dcto_cl, ct);
 
       clear_cl.do_MemRegion(mr);
@@ -484,46 +480,6 @@
   }
 }
 
-// The iterator itself is not MT-aware, but
-// MT-aware callers and closures can use this to
-// accomplish dirty card iteration in parallel. The
-// iterator itself does not clear the dirty cards, or
-// change their values in any manner.
-void CardTableModRefBS::non_clean_card_iterate_serial(MemRegion mr,
-                                                      MemRegionClosure* cl) {
-  bool is_par = (SharedHeap::heap()->n_par_threads() > 0);
-  assert(!is_par ||
-          (SharedHeap::heap()->n_par_threads() ==
-          SharedHeap::heap()->workers()->active_workers()), "Mismatch");
-  for (int i = 0; i < _cur_covered_regions; i++) {
-    MemRegion mri = mr.intersection(_covered[i]);
-    if (mri.word_size() > 0) {
-      jbyte* cur_entry = byte_for(mri.last());
-      jbyte* limit = byte_for(mri.start());
-      while (cur_entry >= limit) {
-        jbyte* next_entry = cur_entry - 1;
-        if (*cur_entry != clean_card) {
-          size_t non_clean_cards = 1;
-          // Should the next card be included in this range of dirty cards.
-          while (next_entry >= limit && *next_entry != clean_card) {
-            non_clean_cards++;
-            cur_entry = next_entry;
-            next_entry--;
-          }
-          // The memory region may not be on a card boundary.  So that
-          // objects beyond the end of the region are not processed, make
-          // cur_cards precise with regard to the end of the memory region.
-          MemRegion cur_cards(addr_for(cur_entry),
-                              non_clean_cards * card_size_in_words);
-          MemRegion dirty_region = cur_cards.intersection(mri);
-          cl->do_MemRegion(dirty_region);
-        }
-        cur_entry = next_entry;
-      }
-    }
-  }
-}
-
 void CardTableModRefBS::dirty_MemRegion(MemRegion mr) {
   assert((HeapWord*)align_size_down((uintptr_t)mr.start(), HeapWordSize) == mr.start(), "Unaligned start");
   assert((HeapWord*)align_size_up  ((uintptr_t)mr.end(),   HeapWordSize) == mr.end(),   "Unaligned end"  );
--- a/src/share/vm/memory/cardTableModRefBS.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/cardTableModRefBS.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -37,7 +37,7 @@
 // the head of "o" is dirtied, not necessarily the card containing the
 // modified field itself.  For object arrays, however, the barrier *is*
 // precise; only the card containing the modified element is dirtied.
-// Any MemRegionClosures used to scan dirty cards should take these
+// Closures used to scan dirty cards should take these
 // considerations into account.
 
 class Generation;
@@ -176,16 +176,7 @@
 
   // Iterate over the portion of the card-table which covers the given
   // region mr in the given space and apply cl to any dirty sub-regions
-  // of mr. Dirty cards are _not_ cleared by the iterator method itself,
-  // but closures may arrange to do so on their own should they so wish.
-  void non_clean_card_iterate_serial(MemRegion mr, MemRegionClosure* cl);
-
-  // A variant of the above that will operate in a parallel mode if
-  // worker threads are available, and clear the dirty cards as it
-  // processes them.
-  // XXX ??? MemRegionClosure above vs OopsInGenClosure below XXX
-  // XXX some new_dcto_cl's take OopClosure's, plus as above there are
-  // some MemRegionClosures. Clean this up everywhere. XXX
+  // of mr. Clears the dirty cards as they are processed.
   void non_clean_card_iterate_possibly_parallel(Space* sp, MemRegion mr,
                                                 OopsInGenClosure* cl, CardTableRS* ct);
 
@@ -379,24 +370,6 @@
 
   // *** Card-table-RemSet-specific things.
 
-  // Invoke "cl.do_MemRegion" on a set of MemRegions that collectively
-  // includes all the modified cards (expressing each card as a
-  // MemRegion).  Thus, several modified cards may be lumped into one
-  // region.  The regions are non-overlapping, and are visited in
-  // *decreasing* address order.  (This order aids with imprecise card
-  // marking, where a dirty card may cause scanning, and summarization
-  // marking, of objects that extend onto subsequent cards.)
-  void mod_card_iterate(MemRegionClosure* cl) {
-    non_clean_card_iterate_serial(_whole_heap, cl);
-  }
-
-  // Like the "mod_cards_iterate" above, except only invokes the closure
-  // for cards within the MemRegion "mr" (which is required to be
-  // card-aligned and sized.)
-  void mod_card_iterate(MemRegion mr, MemRegionClosure* cl) {
-    non_clean_card_iterate_serial(mr, cl);
-  }
-
   static uintx ct_max_alignment_constraint();
 
   // Apply closure "cl" to the dirty cards containing some part of
--- a/src/share/vm/memory/collectorPolicy.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/collectorPolicy.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -190,11 +190,12 @@
     _min_young_size(0),
     _initial_young_size(0),
     _max_young_size(0),
-    _gen_alignment(0),
     _min_old_size(0),
     _initial_old_size(0),
     _max_old_size(0),
-    _generations(NULL)
+    _gen_alignment(0),
+    _young_gen_spec(NULL),
+    _old_gen_spec(NULL)
 {}
 
 size_t GenCollectorPolicy::scale_by_NewRatio_aligned(size_t base_size) {
@@ -912,9 +913,8 @@
 }
 
 void MarkSweepPolicy::initialize_generations() {
-  _generations = NEW_C_HEAP_ARRAY(GenerationSpecPtr, number_of_generations(), mtGC);
-  _generations[0] = new GenerationSpec(Generation::DefNew, _initial_young_size, _max_young_size);
-  _generations[1] = new GenerationSpec(Generation::MarkSweepCompact, _initial_old_size, _max_old_size);
+  _young_gen_spec = new GenerationSpec(Generation::DefNew, _initial_young_size, _max_young_size, _gen_alignment);
+  _old_gen_spec   = new GenerationSpec(Generation::MarkSweepCompact, _initial_old_size, _max_old_size, _gen_alignment);
 }
 
 void MarkSweepPolicy::initialize_gc_policy_counters() {
--- a/src/share/vm/memory/collectorPolicy.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/collectorPolicy.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, 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
@@ -208,7 +208,8 @@
 };
 
 class GenCollectorPolicy : public CollectorPolicy {
-friend class TestGenCollectorPolicy;
+  friend class TestGenCollectorPolicy;
+  friend class VMStructs;
  protected:
   size_t _min_young_size;
   size_t _initial_young_size;
@@ -221,7 +222,8 @@
   // time. When using large pages they can differ.
   size_t _gen_alignment;
 
-  GenerationSpec **_generations;
+  GenerationSpec* _young_gen_spec;
+  GenerationSpec* _old_gen_spec;
 
   // Return true if an allocation should be attempted in the older generation
   // if it fails in the younger generation.  Return false, otherwise.
@@ -261,9 +263,14 @@
 
   int number_of_generations() { return 2; }
 
-  virtual GenerationSpec **generations() {
-    assert(_generations != NULL, "Sanity check");
-    return _generations;
+  GenerationSpec* young_gen_spec() const {
+    assert(_young_gen_spec != NULL, "_young_gen_spec should have been initialized");
+    return _young_gen_spec;
+  }
+
+  GenerationSpec* old_gen_spec() const {
+    assert(_old_gen_spec != NULL, "_old_gen_spec should have been initialized");
+    return _old_gen_spec;
   }
 
   virtual GenCollectorPolicy* as_generation_policy() { return this; }
--- a/src/share/vm/memory/defNewGeneration.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/defNewGeneration.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -49,8 +49,6 @@
 #include "utilities/globalDefinitions.hpp"
 #include "utilities/stack.inline.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 //
 // DefNewGeneration functions.
 
@@ -137,7 +135,7 @@
   if (TraceScavenge) {
     ResourceMark rm;
     gclog_or_tty->print_cr("KlassScanClosure::do_klass " PTR_FORMAT ", %s, dirty: %s",
-                           klass,
+                           p2i(klass),
                            klass->external_name(),
                            klass->has_modified_oops() ? "true" : "false");
   }
@@ -380,7 +378,7 @@
 
   int next_level = level() + 1;
   GenCollectedHeap* gch = GenCollectedHeap::heap();
-  assert(next_level < gch->_n_gens,
+  assert(next_level < gch->n_gens(),
          "DefNewGeneration cannot be an oldest gen");
 
   Generation* old_gen = gch->old_gen();
--- a/src/share/vm/memory/genCollectedHeap.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/genCollectedHeap.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -78,7 +78,7 @@
 };
 
 GenCollectedHeap::GenCollectedHeap(GenCollectorPolicy *policy) :
-  SharedHeap(policy),
+  SharedHeap(),
   _rem_set(NULL),
   _gen_policy(policy),
   _process_strong_tasks(new SubTasksDone(GCH_PS_NumElements)),
@@ -90,7 +90,6 @@
 jint GenCollectedHeap::initialize() {
   CollectedHeap::pre_initialize();
 
-  int i;
   _n_gens = gen_policy()->number_of_generations();
   assert(_n_gens == 2, "There is no support for more than two generations");
 
@@ -101,16 +100,6 @@
   // HeapWordSize).
   guarantee(HeapWordSize == wordSize, "HeapWordSize must equal wordSize");
 
-  // The heap must be at least as aligned as generations.
-  size_t gen_alignment = Generation::GenGrain;
-
-  _gen_specs = gen_policy()->generations();
-
-  // Make sure the sizes are all aligned.
-  for (i = 0; i < _n_gens; i++) {
-    _gen_specs[i]->align(gen_alignment);
-  }
-
   // Allocate space for the heap.
 
   char* heap_address;
@@ -133,12 +122,12 @@
 
   _gch = this;
 
-  ReservedSpace young_rs = heap_rs.first_part(_gen_specs[0]->max_size(), false, false);
-  _young_gen = _gen_specs[0]->init(young_rs, 0, rem_set());
-  heap_rs = heap_rs.last_part(_gen_specs[0]->max_size());
+  ReservedSpace young_rs = heap_rs.first_part(gen_policy()->young_gen_spec()->max_size(), false, false);
+  _young_gen = gen_policy()->young_gen_spec()->init(young_rs, 0, rem_set());
+  heap_rs = heap_rs.last_part(gen_policy()->young_gen_spec()->max_size());
 
-  ReservedSpace old_rs = heap_rs.first_part(_gen_specs[1]->max_size(), false, false);
-  _old_gen = _gen_specs[1]->init(old_rs, 1, rem_set());
+  ReservedSpace old_rs = heap_rs.first_part(gen_policy()->old_gen_spec()->max_size(), false, false);
+  _old_gen = gen_policy()->old_gen_spec()->init(old_rs, 1, rem_set());
   clear_incremental_collection_failed();
 
 #if INCLUDE_ALL_GCS
@@ -155,21 +144,18 @@
 
 char* GenCollectedHeap::allocate(size_t alignment,
                                  ReservedSpace* heap_rs){
-  const char overflow_msg[] = "The size of the object heap + VM data exceeds "
-    "the maximum representable size";
-
   // Now figure out the total size.
-  size_t total_reserved = 0;
-  const size_t pageSize = UseLargePages ?
-      os::large_page_size() : os::vm_page_size();
-
+  const size_t pageSize = UseLargePages ? os::large_page_size() : os::vm_page_size();
   assert(alignment % pageSize == 0, "Must be");
 
-  for (int i = 0; i < _n_gens; i++) {
-    total_reserved += _gen_specs[i]->max_size();
-    if (total_reserved < _gen_specs[i]->max_size()) {
-      vm_exit_during_initialization(overflow_msg);
-    }
+  GenerationSpec* young_spec = gen_policy()->young_gen_spec();
+  GenerationSpec* old_spec = gen_policy()->old_gen_spec();
+
+  // Check for overflow.
+  size_t total_reserved = young_spec->max_size() + old_spec->max_size();
+  if (total_reserved < young_spec->max_size()) {
+    vm_exit_during_initialization("The size of the object heap + VM data exceeds "
+                                  "the maximum representable size");
   }
   assert(total_reserved % alignment == 0,
          err_msg("Gen size; total_reserved=" SIZE_FORMAT ", alignment="
@@ -586,7 +572,7 @@
 class AssertNonScavengableClosure: public OopClosure {
 public:
   virtual void do_oop(oop* p) {
-    assert(!Universe::heap()->is_in_partial_collection(*p),
+    assert(!GenCollectedHeap::heap()->is_in_partial_collection(*p),
       "Referent should not be scavengable.");  }
   virtual void do_oop(narrowOop* p) { ShouldNotReachHere(); }
 };
@@ -603,7 +589,7 @@
   StrongRootsScope srs(this, activate_scope);
 
   // General roots.
-  assert(_strong_roots_parity != 0, "must have called prologue code");
+  assert(Threads::thread_claim_parity() != 0, "must have called prologue code");
   assert(code_roots != NULL, "code root closure should always be set");
   // _n_termination for _process_strong_tasks should be set up stream
   // in a method not running in a GC worker.  Otherwise the GC worker
@@ -1351,7 +1337,7 @@
   // back a time later than 'now'.
   jlong retVal = now - tolgc_cl.time();
   if (retVal < 0) {
-    NOT_PRODUCT(warning("time warp: "INT64_FORMAT, (int64_t) retVal);)
+    NOT_PRODUCT(warning("time warp: " JLONG_FORMAT, retVal);)
     return 0;
   }
   return retVal;
--- a/src/share/vm/memory/genCollectedHeap.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/genCollectedHeap.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -67,8 +67,6 @@
   Generation* _young_gen;
   Generation* _old_gen;
 
-  GenerationSpec** _gen_specs;
-
   // The singleton Gen Remembered Set.
   GenRemSet* _rem_set;
 
@@ -141,12 +139,12 @@
   // Initialize ("weak") refs processing support
   virtual void ref_processing_init();
 
-  virtual CollectedHeap::Name kind() const {
+  virtual Name kind() const {
     return CollectedHeap::GenCollectedHeap;
   }
 
-  Generation* young_gen() { return _young_gen; }
-  Generation* old_gen()   { return _old_gen; }
+  Generation* young_gen() const { return _young_gen; }
+  Generation* old_gen()   const { return _old_gen; }
 
   // The generational collector policy.
   GenCollectorPolicy* gen_policy() const { return _gen_policy; }
@@ -217,7 +215,7 @@
   bool is_in_young(oop p);
 
 #ifdef ASSERT
-  virtual bool is_in_partial_collection(const void* p);
+  bool is_in_partial_collection(const void* p);
 #endif
 
   virtual bool is_scavengable(const void* addr) {
--- a/src/share/vm/memory/generation.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/generation.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -42,8 +42,6 @@
 #include "utilities/copy.hpp"
 #include "utilities/events.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 Generation::Generation(ReservedSpace rs, size_t initial_size, int level) :
   _level(level),
   _ref_processor(NULL) {
@@ -63,8 +61,8 @@
 
 GenerationSpec* Generation::spec() {
   GenCollectedHeap* gch = GenCollectedHeap::heap();
-  assert(0 <= level() && level() < gch->_n_gens, "Bad gen level");
-  return gch->_gen_specs[level()];
+  assert(level() == 0 || level() == 1, "Bad gen level");
+  return level() == 0 ? gch->gen_policy()->young_gen_spec() : gch->gen_policy()->old_gen_spec();
 }
 
 size_t Generation::max_capacity() const {
@@ -103,9 +101,9 @@
   st->print(" total " SIZE_FORMAT "K, used " SIZE_FORMAT "K",
              capacity()/K, used()/K);
   st->print_cr(" [" INTPTR_FORMAT ", " INTPTR_FORMAT ", " INTPTR_FORMAT ")",
-              _virtual_space.low_boundary(),
-              _virtual_space.high(),
-              _virtual_space.high_boundary());
+              p2i(_virtual_space.low_boundary()),
+              p2i(_virtual_space.high()),
+              p2i(_virtual_space.high_boundary()));
 }
 
 void Generation::print_summary_info() { print_summary_info_on(tty); }
--- a/src/share/vm/memory/generation.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/generation.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -399,7 +399,7 @@
     // have to guard against non-monotonicity.
     NOT_PRODUCT(
       if (now < _time_of_last_gc) {
-        warning("time warp: "INT64_FORMAT" to "INT64_FORMAT, (int64_t)_time_of_last_gc, (int64_t)now);
+        warning("time warp: " JLONG_FORMAT " to " JLONG_FORMAT, _time_of_last_gc, now);
       }
     )
     return _time_of_last_gc;
--- a/src/share/vm/memory/generationSpec.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/generationSpec.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, 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
@@ -39,11 +39,11 @@
   size_t           _max_size;
 
 public:
-  GenerationSpec(Generation::Name name, size_t init_size, size_t max_size) {
-    _name = name;
-    _init_size = init_size;
-    _max_size = max_size;
-  }
+  GenerationSpec(Generation::Name name, size_t init_size, size_t max_size, size_t alignment) :
+    _name(name),
+    _init_size(align_size_up(init_size, alignment)),
+    _max_size(align_size_up(max_size, alignment))
+  { }
 
   Generation* init(ReservedSpace rs, int level, GenRemSet* remset);
 
@@ -53,12 +53,6 @@
   void set_init_size(size_t size)      { _init_size = size; }
   size_t max_size()              const { return _max_size; }
   void set_max_size(size_t size)       { _max_size = size; }
-
-  // Alignment
-  void align(size_t alignment) {
-    set_init_size(align_size_up(init_size(), alignment));
-    set_max_size(align_size_up(max_size(), alignment));
-  }
 };
 
 typedef GenerationSpec* GenerationSpecPtr;
--- a/src/share/vm/memory/heapInspection.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/heapInspection.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -38,8 +38,6 @@
 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
 #endif // INCLUDE_ALL_GCS
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 // HeapInspection
 
 inline KlassInfoEntry::~KlassInfoEntry() {
@@ -100,8 +98,8 @@
 
   // simplify the formatting (ILP32 vs LP64) - always cast the numbers to 64-bit
   st->print_cr(INT64_FORMAT_W(13) "  " UINT64_FORMAT_W(13) "  %s",
-               (jlong)  _instance_count,
-               (julong) _instance_words * HeapWordSize,
+               (int64_t)_instance_count,
+               (uint64_t)_instance_words * HeapWordSize,
                name());
 }
 
@@ -240,8 +238,8 @@
 
 void KlassInfoHisto::print_elements(outputStream* st) const {
   // simplify the formatting (ILP32 vs LP64) - store the sum in 64-bit
-  jlong total = 0;
-  julong totalw = 0;
+  int64_t total = 0;
+  uint64_t totalw = 0;
   for(int i=0; i < elements()->length(); i++) {
     st->print("%4d: ", i+1);
     elements()->at(i)->print_on(st);
@@ -451,7 +449,7 @@
   if (loader_oop == NULL) {
     st->print("null");
   } else {
-    st->print(INTPTR_FORMAT, klass->class_loader_data());
+    st->print(INTPTR_FORMAT, p2i(klass->class_loader_data()));
   }
 }
 
@@ -557,13 +555,13 @@
         }
 
         if (csv_format) {
-          st->print("%d,%d", e->index(), super_index);
+          st->print("%ld,%d", e->index(), super_index);
           for (int c=0; c<KlassSizeStats::_num_columns; c++) {
             if (selected[c]) {st->print("," JULONG_FORMAT, col_table[c]);}
           }
           st->print(",%s",e->name());
         } else {
-          st->print("%5d %5d", e->index(), super_index);
+          st->print("%5ld %5d", e->index(), super_index);
           for (int c=0; c<KlassSizeStats::_num_columns; c++) {
             if (selected[c]) {print_julong(st, width_table[c], col_table[c]);}
           }
--- a/src/share/vm/memory/metachunk.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/metachunk.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -28,8 +28,6 @@
 #include "utilities/copy.hpp"
 #include "utilities/debug.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 class VirtualSpaceNode;
 
 const size_t metadata_chunk_initialize = 0xf7f7f7f7;
@@ -92,7 +90,7 @@
   st->print_cr("Metachunk:"
                " bottom " PTR_FORMAT " top " PTR_FORMAT
                " end " PTR_FORMAT " size " SIZE_FORMAT,
-               bottom(), _top, end(), word_size());
+               p2i(bottom()), p2i(_top), p2i(end()), word_size());
   if (Verbose) {
     st->print_cr("    used " SIZE_FORMAT " free " SIZE_FORMAT,
                  used_word_size(), free_word_size());
--- a/src/share/vm/memory/metaspace.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/metaspace.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -49,8 +49,6 @@
 #include "utilities/debug.hpp"
 #include "utilities/macros.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 typedef BinaryTreeDictionary<Metablock, FreeList<Metablock> > BlockTreeDictionary;
 typedef BinaryTreeDictionary<Metachunk, FreeList<Metachunk> > ChunkTreeDictionary;
 
@@ -346,7 +344,7 @@
   void inc_container_count();
   void dec_container_count();
 #ifdef ASSERT
-  uint container_count_slow();
+  uintx container_count_slow();
   void verify_container_count();
 #endif
 
@@ -388,7 +386,7 @@
 #define assert_is_ptr_aligned(ptr, alignment) \
   assert(is_ptr_aligned(ptr, alignment),      \
     err_msg(PTR_FORMAT " is not aligned to "  \
-      SIZE_FORMAT, ptr, alignment))
+      SIZE_FORMAT, p2i(ptr), alignment))
 
 #define assert_is_size_aligned(size, alignment) \
   assert(is_size_aligned(size, alignment),      \
@@ -463,8 +461,8 @@
 }
 
 #ifdef ASSERT
-uint VirtualSpaceNode::container_count_slow() {
-  uint count = 0;
+uintx VirtualSpaceNode::container_count_slow() {
+  uintx count = 0;
   Metachunk* chunk = first_chunk();
   Metachunk* invalid_chunk = (Metachunk*) top();
   while (chunk < invalid_chunk ) {
@@ -798,10 +796,7 @@
 void VirtualSpaceNode::inc_container_count() {
   assert_lock_strong(SpaceManager::expand_lock());
   _container_count++;
-  assert(_container_count == container_count_slow(),
-         err_msg("Inconsistency in container_count _container_count " SIZE_FORMAT
-                 " container_count_slow() " SIZE_FORMAT,
-                 _container_count, container_count_slow()));
+  DEBUG_ONLY(verify_container_count();)
 }
 
 void VirtualSpaceNode::dec_container_count() {
@@ -812,8 +807,8 @@
 #ifdef ASSERT
 void VirtualSpaceNode::verify_container_count() {
   assert(_container_count == container_count_slow(),
-    err_msg("Inconsistency in container_count _container_count " SIZE_FORMAT
-            " container_count_slow() " SIZE_FORMAT, _container_count, container_count_slow()));
+    err_msg("Inconsistency in container_count _container_count " UINTX_FORMAT
+            " container_count_slow() " UINTX_FORMAT, _container_count, container_count_slow()));
 }
 #endif
 
@@ -916,7 +911,7 @@
 
   if (!is_available(chunk_word_size)) {
     if (TraceMetadataChunkAllocation) {
-      gclog_or_tty->print("VirtualSpaceNode::take_from_committed() not available %d words ", chunk_word_size);
+      gclog_or_tty->print("VirtualSpaceNode::take_from_committed() not available " SIZE_FORMAT " words ", chunk_word_size);
       // Dump some information about the virtual space that is nearly full
       print_on(gclog_or_tty);
     }
@@ -989,7 +984,7 @@
 
     assert(reserved()->start() == (HeapWord*) _rs.base(),
       err_msg("Reserved start was not set properly " PTR_FORMAT
-        " != " PTR_FORMAT, reserved()->start(), _rs.base()));
+        " != " PTR_FORMAT, p2i(reserved()->start()), p2i(_rs.base())));
     assert(reserved()->word_size() == _rs.size() / BytesPerWord,
       err_msg("Reserved size was not set properly " SIZE_FORMAT
         " != " SIZE_FORMAT, reserved()->word_size(),
@@ -1003,13 +998,13 @@
   size_t used = used_words_in_vs();
   size_t capacity = capacity_words_in_vs();
   VirtualSpace* vs = virtual_space();
-  st->print_cr("   space @ " PTR_FORMAT " " SIZE_FORMAT "K, %3d%% used "
+  st->print_cr("   space @ " PTR_FORMAT " " SIZE_FORMAT "K, " SIZE_FORMAT_W(3) "%% used "
            "[" PTR_FORMAT ", " PTR_FORMAT ", "
            PTR_FORMAT ", " PTR_FORMAT ")",
-           vs, capacity / K,
+           p2i(vs), capacity / K,
            capacity == 0 ? 0 : used * 100 / capacity,
-           bottom(), top(), end(),
-           vs->high_boundary());
+           p2i(bottom()), p2i(top()), p2i(end()),
+           p2i(vs->high_boundary()));
 }
 
 #ifdef ASSERT
@@ -1812,7 +1807,7 @@
     if (TraceMetadataChunkAllocation && Verbose) {
       gclog_or_tty->print_cr("ChunkManager::free_chunks_get: free_list "
                              PTR_FORMAT " head " PTR_FORMAT " size " SIZE_FORMAT,
-                             free_list, chunk, chunk->word_size());
+                             p2i(free_list), p2i(chunk), chunk->word_size());
     }
   } else {
     chunk = humongous_dictionary()->get_chunk(
@@ -1872,7 +1867,7 @@
     }
     gclog_or_tty->print("ChunkManager::chunk_freelist_allocate: " PTR_FORMAT " chunk "
                         PTR_FORMAT "  size " SIZE_FORMAT " count " SIZE_FORMAT " ",
-                        this, chunk, chunk->word_size(), list_count);
+                        p2i(this), p2i(chunk), chunk->word_size(), list_count);
     locked_print_free_chunks(gclog_or_tty);
   }
 
@@ -2019,7 +2014,7 @@
   for (ChunkIndex i = ZeroIndex; i < NumberOfInUseLists; i = next_chunk_index(i)) {
     Metachunk* chunk = chunks_in_use(i);
     st->print("SpaceManager: %s " PTR_FORMAT,
-                 chunk_size_name(i), chunk);
+                 chunk_size_name(i), p2i(chunk));
     if (chunk != NULL) {
       st->print_cr(" free " SIZE_FORMAT,
                    chunk->free_word_size());
@@ -2130,8 +2125,8 @@
   for (ChunkIndex i = ZeroIndex;
        i < NumberOfInUseLists ;
        i = next_chunk_index(i) ) {
-    st->print_cr("  chunks_in_use " PTR_FORMAT " chunk size " PTR_FORMAT,
-                 chunks_in_use(i),
+    st->print_cr("  chunks_in_use " PTR_FORMAT " chunk size " SIZE_FORMAT,
+                 p2i(chunks_in_use(i)),
                  chunks_in_use(i) == NULL ? 0 : chunks_in_use(i)->word_size());
   }
   st->print_cr("    waste:  Small " SIZE_FORMAT " Medium " SIZE_FORMAT
@@ -2194,7 +2189,7 @@
   }
   _current_chunk = NULL;
   if (TraceMetadataChunkAllocation && Verbose) {
-    gclog_or_tty->print_cr("SpaceManager(): " PTR_FORMAT, this);
+    gclog_or_tty->print_cr("SpaceManager(): " PTR_FORMAT, p2i(this));
   }
 }
 
@@ -2238,7 +2233,7 @@
   dec_total_from_size_metrics();
 
   if (TraceMetadataChunkAllocation && Verbose) {
-    gclog_or_tty->print_cr("~SpaceManager(): " PTR_FORMAT, this);
+    gclog_or_tty->print_cr("~SpaceManager(): " PTR_FORMAT, p2i(this));
     locked_print_chunks_in_use_on(gclog_or_tty);
   }
 
@@ -2258,7 +2253,7 @@
 
   for (ChunkIndex i = ZeroIndex; i < HumongousIndex; i = next_chunk_index(i)) {
     if (TraceMetadataChunkAllocation && Verbose) {
-      gclog_or_tty->print_cr("returned %d %s chunks to freelist",
+      gclog_or_tty->print_cr("returned " SIZE_FORMAT " %s chunks to freelist",
                              sum_count_in_chunks_in_use(i),
                              chunk_size_name(i));
     }
@@ -2266,7 +2261,7 @@
     chunk_manager()->return_chunks(i, chunks);
     set_chunks_in_use(i, NULL);
     if (TraceMetadataChunkAllocation && Verbose) {
-      gclog_or_tty->print_cr("updated freelist count %d %s",
+      gclog_or_tty->print_cr("updated freelist count " SSIZE_FORMAT " %s",
                              chunk_manager()->free_chunks(i)->count(),
                              chunk_size_name(i));
     }
@@ -2279,7 +2274,7 @@
 
   // Humongous chunks
   if (TraceMetadataChunkAllocation && Verbose) {
-    gclog_or_tty->print_cr("returned %d %s humongous chunks to dictionary",
+    gclog_or_tty->print_cr("returned " SIZE_FORMAT " %s humongous chunks to dictionary",
                             sum_count_in_chunks_in_use(HumongousIndex),
                             chunk_size_name(HumongousIndex));
     gclog_or_tty->print("Humongous chunk dictionary: ");
@@ -2293,14 +2288,14 @@
 #endif
     if (TraceMetadataChunkAllocation && Verbose) {
       gclog_or_tty->print(PTR_FORMAT " (" SIZE_FORMAT ") ",
-                          humongous_chunks,
+                          p2i(humongous_chunks),
                           humongous_chunks->word_size());
     }
     assert(humongous_chunks->word_size() == (size_t)
            align_size_up(humongous_chunks->word_size(),
                              smallest_chunk_size()),
            err_msg("Humongous chunk size is wrong: word size " SIZE_FORMAT
-                   " granularity %d",
+                   " granularity " SIZE_FORMAT,
                    humongous_chunks->word_size(), smallest_chunk_size()));
     Metachunk* next_humongous_chunks = humongous_chunks->next();
     humongous_chunks->container()->dec_container_count();
@@ -2309,7 +2304,7 @@
   }
   if (TraceMetadataChunkAllocation && Verbose) {
     gclog_or_tty->cr();
-    gclog_or_tty->print_cr("updated dictionary count %d %s",
+    gclog_or_tty->print_cr("updated dictionary count " SIZE_FORMAT " %s",
                      chunk_manager()->humongous_dictionary()->total_count(),
                      chunk_size_name(HumongousIndex));
   }
@@ -2399,7 +2394,7 @@
 
   assert(new_chunk->is_empty(), "Not ready for reuse");
   if (TraceMetadataChunkAllocation && Verbose) {
-    gclog_or_tty->print("SpaceManager::add_chunk: %d) ",
+    gclog_or_tty->print("SpaceManager::add_chunk: " SIZE_FORMAT ") ",
                         sum_count_in_chunks_in_use());
     new_chunk->print_on(gclog_or_tty);
     chunk_manager()->locked_print_free_chunks(gclog_or_tty);
@@ -3097,7 +3092,7 @@
       metaspace_rs = ReservedSpace(compressed_class_space_size(),
                                    _reserve_alignment, large_pages);
       if (!metaspace_rs.is_reserved()) {
-        vm_exit_during_initialization(err_msg("Could not allocate metaspace: %d bytes",
+        vm_exit_during_initialization(err_msg("Could not allocate metaspace: " SIZE_FORMAT " bytes",
                                               compressed_class_space_size()));
       }
     }
@@ -3119,10 +3114,10 @@
   initialize_class_space(metaspace_rs);
 
   if (PrintCompressedOopsMode || (PrintMiscellaneous && Verbose)) {
-    gclog_or_tty->print_cr("Narrow klass base: " PTR_FORMAT ", Narrow klass shift: " SIZE_FORMAT,
-                            Universe::narrow_klass_base(), Universe::narrow_klass_shift());
+    gclog_or_tty->print_cr("Narrow klass base: " PTR_FORMAT ", Narrow klass shift: %d",
+                            p2i(Universe::narrow_klass_base()), Universe::narrow_klass_shift());
     gclog_or_tty->print_cr("Compressed class space size: " SIZE_FORMAT " Address: " PTR_FORMAT " Req Addr: " PTR_FORMAT,
-                           compressed_class_space_size(), metaspace_rs.base(), requested_addr);
+                           compressed_class_space_size(), p2i(metaspace_rs.base()), p2i(requested_addr));
   }
 }
 
@@ -3251,7 +3246,7 @@
       vm_exit_during_initialization("Unable to dump shared archive.",
           err_msg("Size of archive (" SIZE_FORMAT ") + compressed class space ("
                   SIZE_FORMAT ") == total (" SIZE_FORMAT ") is larger than compressed "
-                  "klass limit: " SIZE_FORMAT, cds_total, compressed_class_space_size(),
+                  "klass limit: " UINT64_FORMAT, cds_total, compressed_class_space_size(),
                   cds_total + compressed_class_space_size(), UnscaledClassSpaceMax));
     }
 
@@ -3262,7 +3257,7 @@
     Universe::set_narrow_klass_base((address)_space_list->current_virtual_space()->bottom());
     if (TraceMetavirtualspaceAllocation && Verbose) {
       gclog_or_tty->print_cr("Setting_narrow_klass_base to Address: " PTR_FORMAT,
-                             _space_list->current_virtual_space()->bottom());
+                             p2i(_space_list->current_virtual_space()->bottom()));
     }
 
     Universe::set_narrow_klass_shift(0);
@@ -3768,10 +3763,10 @@
 }
 
 void Metaspace::dump(outputStream* const out) const {
-  out->print_cr("\nVirtual space manager: " INTPTR_FORMAT, vsm());
+  out->print_cr("\nVirtual space manager: " INTPTR_FORMAT, p2i(vsm()));
   vsm()->dump(out);
   if (using_class_space()) {
-    out->print_cr("\nClass space manager: " INTPTR_FORMAT, class_vsm());
+    out->print_cr("\nClass space manager: " INTPTR_FORMAT, p2i(class_vsm()));
     class_vsm()->dump(out);
   }
 }
@@ -3932,13 +3927,13 @@
   assert(vsn.is_available(word_size), \
     err_msg(#word_size ": " PTR_FORMAT " bytes were not available in " \
             "VirtualSpaceNode [" PTR_FORMAT ", " PTR_FORMAT ")", \
-            (uintptr_t)(word_size * BytesPerWord), vsn.bottom(), vsn.end()));
+            (uintptr_t)(word_size * BytesPerWord), p2i(vsn.bottom()), p2i(vsn.end())));
 
 #define assert_is_available_negative(word_size) \
   assert(!vsn.is_available(word_size), \
     err_msg(#word_size ": " PTR_FORMAT " bytes should not be available in " \
             "VirtualSpaceNode [" PTR_FORMAT ", " PTR_FORMAT ")", \
-            (uintptr_t)(word_size * BytesPerWord), vsn.bottom(), vsn.end()));
+            (uintptr_t)(word_size * BytesPerWord), p2i(vsn.bottom()), p2i(vsn.end())));
 
   static void test_is_available_positive() {
     // Reserve some memory.
--- a/src/share/vm/memory/referenceProcessor.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/referenceProcessor.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -35,8 +35,6 @@
 #include "runtime/java.hpp"
 #include "runtime/jniHandles.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 ReferencePolicy* ReferenceProcessor::_always_clear_soft_ref_policy = NULL;
 ReferencePolicy* ReferenceProcessor::_default_soft_ref_policy      = NULL;
 bool             ReferenceProcessor::_pending_list_uses_discovered_field = false;
@@ -161,7 +159,7 @@
 
   NOT_PRODUCT(
   if (now < _soft_ref_timestamp_clock) {
-    warning("time warp: "INT64_FORMAT" to "INT64_FORMAT,
+    warning("time warp: " JLONG_FORMAT " to " JLONG_FORMAT,
             _soft_ref_timestamp_clock, now);
   }
   )
@@ -361,7 +359,7 @@
   // field.
   if (TraceReferenceGC && PrintGCDetails) {
     gclog_or_tty->print_cr("ReferenceProcessor::enqueue_discovered_reflist list "
-                           INTPTR_FORMAT, (address)refs_list.head());
+                           INTPTR_FORMAT, p2i(refs_list.head()));
   }
 
   oop obj = NULL;
@@ -375,7 +373,7 @@
       next_d = java_lang_ref_Reference::discovered(obj);
       if (TraceReferenceGC && PrintGCDetails) {
         gclog_or_tty->print_cr("        obj " INTPTR_FORMAT "/next_d " INTPTR_FORMAT,
-                               (void *)obj, (void *)next_d);
+                               p2i(obj), p2i(next_d));
       }
       assert(java_lang_ref_Reference::next(obj) == NULL,
              "Reference not active; should not be discovered");
@@ -402,7 +400,7 @@
       next_d = java_lang_ref_Reference::discovered(obj);
       if (TraceReferenceGC && PrintGCDetails) {
         gclog_or_tty->print_cr("        obj " INTPTR_FORMAT "/next_d " INTPTR_FORMAT,
-                               (void *)obj, (void *)next_d);
+                               p2i(obj), p2i(next_d));
       }
       assert(java_lang_ref_Reference::next(obj) == NULL,
              "The reference should not be enqueued");
@@ -565,7 +563,7 @@
         !policy->should_clear_reference(iter.obj(), _soft_ref_timestamp_clock)) {
       if (TraceReferenceGC) {
         gclog_or_tty->print_cr("Dropping reference (" INTPTR_FORMAT ": %s"  ") by policy",
-                               (void *)iter.obj(), iter.obj()->klass()->internal_name());
+                               p2i(iter.obj()), iter.obj()->klass()->internal_name());
       }
       // Remove Reference object from list
       iter.remove();
@@ -582,9 +580,9 @@
   complete_gc->do_void();
   NOT_PRODUCT(
     if (PrintGCDetails && TraceReferenceGC) {
-      gclog_or_tty->print_cr(" Dropped %d dead Refs out of %d "
-        "discovered Refs by policy, from list " INTPTR_FORMAT,
-        iter.removed(), iter.processed(), (address)refs_list.head());
+      gclog_or_tty->print_cr(" Dropped " SIZE_FORMAT " dead Refs out of " SIZE_FORMAT
+        " discovered Refs by policy, from list " INTPTR_FORMAT,
+        iter.removed(), iter.processed(), p2i(refs_list.head()));
     }
   )
 }
@@ -604,7 +602,7 @@
     if (iter.is_referent_alive()) {
       if (TraceReferenceGC) {
         gclog_or_tty->print_cr("Dropping strongly reachable reference (" INTPTR_FORMAT ": %s)",
-                               (void *)iter.obj(), iter.obj()->klass()->internal_name());
+                               p2i(iter.obj()), iter.obj()->klass()->internal_name());
       }
       // The referent is reachable after all.
       // Remove Reference object from list.
@@ -620,9 +618,9 @@
   }
   NOT_PRODUCT(
     if (PrintGCDetails && TraceReferenceGC && (iter.processed() > 0)) {
-      gclog_or_tty->print_cr(" Dropped %d active Refs out of %d "
-        "Refs in discovered list " INTPTR_FORMAT,
-        iter.removed(), iter.processed(), (address)refs_list.head());
+      gclog_or_tty->print_cr(" Dropped " SIZE_FORMAT " active Refs out of " SIZE_FORMAT
+        " Refs in discovered list " INTPTR_FORMAT,
+        iter.removed(), iter.processed(), p2i(refs_list.head()));
     }
   )
 }
@@ -659,9 +657,9 @@
   complete_gc->do_void();
   NOT_PRODUCT(
     if (PrintGCDetails && TraceReferenceGC && (iter.processed() > 0)) {
-      gclog_or_tty->print_cr(" Dropped %d active Refs out of %d "
-        "Refs in discovered list " INTPTR_FORMAT,
-        iter.removed(), iter.processed(), (address)refs_list.head());
+      gclog_or_tty->print_cr(" Dropped " SIZE_FORMAT " active Refs out of " SIZE_FORMAT
+        " Refs in discovered list " INTPTR_FORMAT,
+        iter.removed(), iter.processed(), p2i(refs_list.head()));
     }
   )
 }
@@ -678,7 +676,6 @@
   ResourceMark rm;
   DiscoveredListIterator iter(refs_list, keep_alive, is_alive);
   while (iter.has_next()) {
-    iter.update_discovered();
     iter.load_ptrs(DEBUG_ONLY(false /* allow_null_referent */));
     if (clear_referent) {
       // NULL out referent pointer
@@ -690,13 +687,11 @@
     if (TraceReferenceGC) {
       gclog_or_tty->print_cr("Adding %sreference (" INTPTR_FORMAT ": %s) as pending",
                              clear_referent ? "cleared " : "",
-                             (void *)iter.obj(), iter.obj()->klass()->internal_name());
+                             p2i(iter.obj()), iter.obj()->klass()->internal_name());
     }
     assert(iter.obj()->is_oop(UseConcMarkSweepGC), "Adding a bad reference");
     iter.next();
   }
-  // Remember to update the next pointer of the last ref.
-  iter.update_discovered();
   // Close the reachable set
   complete_gc->do_void();
 }
@@ -807,11 +802,11 @@
   for (uint i = 0; i < _max_num_q; ++i) {
     total_refs += ref_lists[i].length();
     if (TraceReferenceGC && PrintGCDetails) {
-      gclog_or_tty->print("%d ", ref_lists[i].length());
+      gclog_or_tty->print(SIZE_FORMAT " ", ref_lists[i].length());
     }
   }
   if (TraceReferenceGC && PrintGCDetails) {
-    gclog_or_tty->print_cr(" = %d", total_refs);
+    gclog_or_tty->print_cr(" = " SIZE_FORMAT, total_refs);
   }
   size_t avg_refs = total_refs / _num_q + 1;
   uint to_idx = 0;
@@ -877,11 +872,11 @@
   for (uint i = 0; i < _max_num_q; ++i) {
     balanced_total_refs += ref_lists[i].length();
     if (TraceReferenceGC && PrintGCDetails) {
-      gclog_or_tty->print("%d ", ref_lists[i].length());
+      gclog_or_tty->print(SIZE_FORMAT " ", ref_lists[i].length());
     }
   }
   if (TraceReferenceGC && PrintGCDetails) {
-    gclog_or_tty->print_cr(" = %d", balanced_total_refs);
+    gclog_or_tty->print_cr(" = " SIZE_FORMAT, balanced_total_refs);
     gclog_or_tty->flush();
   }
   assert(total_refs == balanced_total_refs, "Balancing was incomplete");
@@ -923,7 +918,7 @@
   size_t total_list_count = total_count(refs_lists);
 
   if (PrintReferenceGC && PrintGCDetails) {
-    gclog_or_tty->print(", %u refs", total_list_count);
+    gclog_or_tty->print(", " SIZE_FORMAT " refs", total_list_count);
   }
 
   // Phase 1 (soft refs only):
@@ -1016,7 +1011,7 @@
       ShouldNotReachHere();
   }
   if (TraceReferenceGC && PrintGCDetails) {
-    gclog_or_tty->print_cr("Thread %d gets list " INTPTR_FORMAT, id, list);
+    gclog_or_tty->print_cr("Thread %d gets list " INTPTR_FORMAT, id, p2i(list));
   }
   return list;
 }
@@ -1043,14 +1038,14 @@
 
     if (TraceReferenceGC) {
       gclog_or_tty->print_cr("Discovered reference (mt) (" INTPTR_FORMAT ": %s)",
-                             (void *)obj, obj->klass()->internal_name());
+                             p2i(obj), obj->klass()->internal_name());
     }
   } else {
     // If retest was non NULL, another thread beat us to it:
     // The reference has already been discovered...
     if (TraceReferenceGC) {
       gclog_or_tty->print_cr("Already discovered reference (" INTPTR_FORMAT ": %s)",
-                             (void *)obj, obj->klass()->internal_name());
+                             p2i(obj), obj->klass()->internal_name());
     }
   }
 }
@@ -1065,7 +1060,7 @@
   assert(da ? referent->is_oop() : referent->is_oop_or_null(),
          err_msg("Bad referent " INTPTR_FORMAT " found in Reference "
                  INTPTR_FORMAT " during %satomic discovery ",
-                 (void *)referent, (void *)obj, da ? "" : "non-"));
+                 p2i(referent), p2i(obj), da ? "" : "non-"));
 }
 #endif
 
@@ -1145,7 +1140,7 @@
     // The reference has already been discovered...
     if (TraceReferenceGC) {
       gclog_or_tty->print_cr("Already discovered reference (" INTPTR_FORMAT ": %s)",
-                             (void *)obj, obj->klass()->internal_name());
+                             p2i(obj), obj->klass()->internal_name());
     }
     if (RefDiscoveryPolicy == ReferentBasedDiscovery) {
       // assumes that an object is not processed twice;
@@ -1203,7 +1198,7 @@
 
     if (TraceReferenceGC) {
       gclog_or_tty->print_cr("Discovered reference (" INTPTR_FORMAT ": %s)",
-                                (void *)obj, obj->klass()->internal_name());
+                                p2i(obj), obj->klass()->internal_name());
     }
   }
   assert(obj->is_oop(), "Discovered a bad reference");
@@ -1314,7 +1309,7 @@
       // active; we need to trace and mark its cohort.
       if (TraceReferenceGC) {
         gclog_or_tty->print_cr("Precleaning Reference (" INTPTR_FORMAT ": %s)",
-                               (void *)iter.obj(), iter.obj()->klass()->internal_name());
+                               p2i(iter.obj()), iter.obj()->klass()->internal_name());
       }
       // Remove Reference object from list
       iter.remove();
@@ -1337,9 +1332,9 @@
 
   NOT_PRODUCT(
     if (PrintGCDetails && PrintReferenceGC && (iter.processed() > 0)) {
-      gclog_or_tty->print_cr(" Dropped %d Refs out of %d "
-        "Refs in discovered list " INTPTR_FORMAT,
-        iter.removed(), iter.processed(), (address)refs_list.head());
+      gclog_or_tty->print_cr(" Dropped " SIZE_FORMAT " Refs out of " SIZE_FORMAT
+        " Refs in discovered list " INTPTR_FORMAT,
+        iter.removed(), iter.processed(), p2i(refs_list.head()));
     }
   )
 }
--- a/src/share/vm/memory/referenceProcessor.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/referenceProcessor.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, 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
@@ -173,20 +173,6 @@
     }
   }
 
-  // Update the discovered field.
-  inline void update_discovered() {
-    // First _prev_next ref actually points into DiscoveredList (gross).
-    if (UseCompressedOops) {
-      if (!oopDesc::is_null(*(narrowOop*)_prev_next)) {
-        _keep_alive->do_oop((narrowOop*)_prev_next);
-      }
-    } else {
-      if (!oopDesc::is_null(*(oop*)_prev_next)) {
-        _keep_alive->do_oop((oop*)_prev_next);
-      }
-    }
-  }
-
   // NULL out referent pointer.
   void clear_referent();
 
--- a/src/share/vm/memory/sharedHeap.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/sharedHeap.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -35,14 +35,10 @@
 #include "utilities/copy.hpp"
 #include "utilities/workgroup.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 SharedHeap* SharedHeap::_sh;
 
-SharedHeap::SharedHeap(CollectorPolicy* policy_) :
+SharedHeap::SharedHeap() :
   CollectedHeap(),
-  _collector_policy(policy_),
-  _strong_roots_parity(0),
   _workers(NULL)
 {
   _sh = this;  // ch is static, should be set only once.
@@ -70,26 +66,20 @@
   _n_par_threads = t;
 }
 
-void SharedHeap::change_strong_roots_parity() {
-  // Also set the new collection parity.
-  assert(_strong_roots_parity >= 0 && _strong_roots_parity <= 2,
-         "Not in range.");
-  _strong_roots_parity++;
-  if (_strong_roots_parity == 3) _strong_roots_parity = 1;
-  assert(_strong_roots_parity >= 1 && _strong_roots_parity <= 2,
-         "Not in range.");
-}
-
 SharedHeap::StrongRootsScope::StrongRootsScope(SharedHeap* heap, bool activate)
   : MarkScope(activate), _sh(heap)
 {
   if (_active) {
-    _sh->change_strong_roots_parity();
+    Threads::change_thread_claim_parity();
     // Zero the claimed high water mark in the StringTable
     StringTable::clear_parallel_claimed_index();
   }
 }
 
+SharedHeap::StrongRootsScope::~StrongRootsScope() {
+  Threads::assert_all_threads_claimed();
+}
+
 void SharedHeap::set_barrier_set(BarrierSet* bs) {
   _barrier_set = bs;
   // Cached barrier set for fast access in oops
@@ -102,17 +92,3 @@
 }
 
 void SharedHeap::ref_processing_init() {}
-
-// Some utilities.
-void SharedHeap::print_size_transition(outputStream* out,
-                                       size_t bytes_before,
-                                       size_t bytes_after,
-                                       size_t capacity) {
-  out->print(" " SIZE_FORMAT "%s->" SIZE_FORMAT "%s(" SIZE_FORMAT "%s)",
-             byte_size_in_proper_unit(bytes_before),
-             proper_unit_for_byte_size(bytes_before),
-             byte_size_in_proper_unit(bytes_after),
-             proper_unit_for_byte_size(bytes_after),
-             byte_size_in_proper_unit(capacity),
-             proper_unit_for_byte_size(capacity));
-}
--- a/src/share/vm/memory/sharedHeap.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/sharedHeap.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, 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
@@ -110,19 +110,12 @@
   // set the static pointer "_sh" to that instance.
   static SharedHeap* _sh;
 
-  // A gc policy, controls global gc resource issues
-  CollectorPolicy *_collector_policy;
-
-  // See the discussion below, in the specification of the reader function
-  // for this variable.
-  int _strong_roots_parity;
-
   // If we're doing parallel GC, use this gang of threads.
   FlexibleWorkGang* _workers;
 
   // Full initialization is done in a concrete subtype's "initialize"
   // function.
-  SharedHeap(CollectorPolicy* policy_);
+  SharedHeap();
 
   // Returns true if the calling thread holds the heap lock,
   // or the calling thread is a par gc thread and the heap_lock is held
@@ -156,7 +149,10 @@
 
   bool no_gc_in_progress() { return !is_gc_active(); }
 
-  // Some collectors will perform "process_strong_roots" in parallel.
+  // Note, the below comment needs to be updated to reflect the changes
+  // introduced by JDK-8076225. This should be done as part of JDK-8076289.
+  //
+  //Some collectors will perform "process_strong_roots" in parallel.
   // Such a call will involve claiming some fine-grained tasks, such as
   // scanning of threads.  To make this process simpler, we provide the
   // "strong_roots_parity()" method.  Collectors that start parallel tasks
@@ -182,7 +178,6 @@
   //      task-claiming variables may be initialized, to indicate "never
   //      claimed".
  public:
-  int strong_roots_parity() { return _strong_roots_parity; }
 
   // Call these in sequential code around process_roots.
   // strong_roots_prologue calls change_strong_roots_parity, if
@@ -192,11 +187,10 @@
 
    public:
     StrongRootsScope(SharedHeap* heap, bool activate = true);
+    ~StrongRootsScope();
   };
-  friend class StrongRootsScope;
 
  private:
-  void change_strong_roots_parity();
 
  public:
   FlexibleWorkGang* workers() const { return _workers; }
@@ -214,16 +208,6 @@
   // Sets the number of parallel threads that will be doing tasks
   // (such as process roots) subsequently.
   virtual void set_par_threads(uint t);
-
-  //
-  // New methods from CollectedHeap
-  //
-
-  // Some utilities.
-  void print_size_transition(outputStream* out,
-                             size_t bytes_before,
-                             size_t bytes_after,
-                             size_t capacity);
 };
 
 #endif // SHARE_VM_MEMORY_SHAREDHEAP_HPP
--- a/src/share/vm/memory/space.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/space.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -44,8 +44,6 @@
 #include "utilities/globalDefinitions.hpp"
 #include "utilities/macros.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 HeapWord* DirtyCardToOopClosure::get_actual_top(HeapWord* top,
                                                 HeapWord* top_obj) {
   if (top_obj != NULL) {
@@ -456,20 +454,20 @@
 void Space::print_on(outputStream* st) const {
   print_short_on(st);
   st->print_cr(" [" INTPTR_FORMAT ", " INTPTR_FORMAT ")",
-                bottom(), end());
+                p2i(bottom()), p2i(end()));
 }
 
 void ContiguousSpace::print_on(outputStream* st) const {
   print_short_on(st);
   st->print_cr(" [" INTPTR_FORMAT ", " INTPTR_FORMAT ", " INTPTR_FORMAT ")",
-                bottom(), top(), end());
+                p2i(bottom()), p2i(top()), p2i(end()));
 }
 
 void OffsetTableContigSpace::print_on(outputStream* st) const {
   print_short_on(st);
   st->print_cr(" [" INTPTR_FORMAT ", " INTPTR_FORMAT ", "
                 INTPTR_FORMAT ", " INTPTR_FORMAT ")",
-              bottom(), top(), _offsets.threshold(), end());
+              p2i(bottom()), p2i(top()), p2i(_offsets.threshold()), p2i(end()));
 }
 
 void ContiguousSpace::verify() const {
@@ -592,7 +590,7 @@
 HeapWord* ContiguousSpace::block_start_const(const void* p) const {
   assert(MemRegion(bottom(), end()).contains(p),
          err_msg("p (" PTR_FORMAT ") not in space [" PTR_FORMAT ", " PTR_FORMAT ")",
-                  p, bottom(), end()));
+                  p2i(p), p2i(bottom()), p2i(end())));
   if (p >= top()) {
     return top();
   } else {
@@ -603,7 +601,7 @@
       cur += oop(cur)->size();
     }
     assert(oop(last)->is_oop(),
-           err_msg(PTR_FORMAT " should be an object start", last));
+           err_msg(PTR_FORMAT " should be an object start", p2i(last)));
     return last;
   }
 }
@@ -611,15 +609,15 @@
 size_t ContiguousSpace::block_size(const HeapWord* p) const {
   assert(MemRegion(bottom(), end()).contains(p),
          err_msg("p (" PTR_FORMAT ") not in space [" PTR_FORMAT ", " PTR_FORMAT ")",
-                  p, bottom(), end()));
+                  p2i(p), p2i(bottom()), p2i(end())));
   HeapWord* current_top = top();
   assert(p <= current_top,
          err_msg("p > current top - p: " PTR_FORMAT ", current top: " PTR_FORMAT,
-                  p, current_top));
+                  p2i(p), p2i(current_top)));
   assert(p == current_top || oop(p)->is_oop(),
          err_msg("p (" PTR_FORMAT ") is not a block start - "
                  "current_top: " PTR_FORMAT ", is_oop: %s",
-                 p, current_top, BOOL_TO_STR(oop(p)->is_oop())));
+                 p2i(p), p2i(current_top), BOOL_TO_STR(oop(p)->is_oop())));
   if (p < current_top) {
     return oop(p)->size();
   } else {
--- a/src/share/vm/memory/space.inline.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/space.inline.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -214,7 +214,7 @@
       assert(space->block_is_obj(q), "should be at block boundaries, and should be looking at objs");
 
       // point all the oops to the new location
-      size_t size = oop(q)->adjust_pointers();
+      size_t size = MarkSweep::adjust_pointers(oop(q));
       size = space->adjust_obj_size(size);
 
       q += size;
@@ -238,7 +238,7 @@
     if (oop(q)->is_gc_marked()) {
       // q is alive
       // point all the oops to the new location
-      size_t size = oop(q)->adjust_pointers();
+      size_t size = MarkSweep::adjust_pointers(oop(q));
       size = space->adjust_obj_size(size);
       debug_only(prev_q = q);
       q += size;
--- a/src/share/vm/memory/threadLocalAllocBuffer.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/threadLocalAllocBuffer.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -31,8 +31,6 @@
 #include "runtime/thread.inline.hpp"
 #include "utilities/copy.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 // Thread-Local Edens support
 
 // static member initialization
@@ -154,7 +152,7 @@
   if (PrintTLAB && Verbose) {
     gclog_or_tty->print("TLAB new size: thread: " INTPTR_FORMAT " [id: %2d]"
                         " refills %d  alloc: %8.6f desired_size: " SIZE_FORMAT " -> " SIZE_FORMAT "\n",
-                        myThread(), myThread()->osthread()->thread_id(),
+                        p2i(myThread()), myThread()->osthread()->thread_id(),
                         _target_refills, _allocation_fraction.average(), desired_size(), aligned_new_size);
   }
   set_desired_size(aligned_new_size);
@@ -263,7 +261,7 @@
                       " slow allocs: %d  refill waste: " SIZE_FORMAT "B"
                       " alloc:%8.5f %8.0fKB refills: %d waste %4.1f%% gc: %dB"
                       " slow: %dB fast: %dB\n",
-                      tag, thrd, thrd->osthread()->thread_id(),
+                      tag, p2i(thrd), thrd->osthread()->thread_id(),
                       _desired_size / (K / HeapWordSize),
                       _slow_allocations, _refill_waste_limit * HeapWordSize,
                       _allocation_fraction.average(),
--- a/src/share/vm/memory/universe.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/memory/universe.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -84,8 +84,6 @@
 #include "classfile/sharedClassUtil.hpp"
 #endif
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 // Known objects
 Klass* Universe::_boolArrayKlassObj                 = NULL;
 Klass* Universe::_byteArrayKlassObj                 = NULL;
@@ -792,12 +790,12 @@
 void Universe::print_compressed_oops_mode() {
   tty->cr();
   tty->print("heap address: " PTR_FORMAT ", size: " SIZE_FORMAT " MB",
-              Universe::heap()->base(), Universe::heap()->reserved_region().byte_size()/M);
+              p2i(Universe::heap()->base()), Universe::heap()->reserved_region().byte_size()/M);
 
   tty->print(", Compressed Oops mode: %s", narrow_oop_mode_to_string(narrow_oop_mode()));
 
   if (Universe::narrow_oop_base() != 0) {
-    tty->print(": " PTR_FORMAT, Universe::narrow_oop_base());
+    tty->print(": " PTR_FORMAT, p2i(Universe::narrow_oop_base()));
   }
 
   if (Universe::narrow_oop_shift() != 0) {
--- a/src/share/vm/oops/instanceClassLoaderKlass.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/oops/instanceClassLoaderKlass.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2015, 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
@@ -42,7 +42,6 @@
 #if INCLUDE_ALL_GCS
 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #endif // INCLUDE_ALL_GCS
 
 // Macro to define InstanceClassLoaderKlass::oop_oop_iterate for virtual/nonvirtual for
--- a/src/share/vm/oops/instanceKlass.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/oops/instanceKlass.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -74,7 +74,6 @@
 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp"
 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #endif // INCLUDE_ALL_GCS
 #ifdef COMPILER1
 #include "c1/c1_Compiler.hpp"
--- a/src/share/vm/oops/instanceMirrorKlass.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/oops/instanceMirrorKlass.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2015, 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
@@ -47,7 +47,6 @@
 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #endif // INCLUDE_ALL_GCS
 
 int InstanceMirrorKlass::_offset_of_static_fields = 0;
--- a/src/share/vm/oops/instanceRefKlass.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/oops/instanceRefKlass.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, 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
@@ -43,7 +43,6 @@
 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #endif // INCLUDE_ALL_GCS
 
 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
--- a/src/share/vm/oops/objArrayKlass.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/oops/objArrayKlass.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -55,7 +55,6 @@
 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp"
 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
-#include "oops/oop.pcgc.inline.hpp"
 #endif // INCLUDE_ALL_GCS
 
 ObjArrayKlass* ObjArrayKlass::allocate(ClassLoaderData* loader_data, int n, KlassHandle klass_handle, Symbol* name, TRAPS) {
--- a/src/share/vm/runtime/thread.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/runtime/thread.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -3183,6 +3183,7 @@
 int         Threads::_number_of_threads = 0;
 int         Threads::_number_of_non_daemon_threads = 0;
 int         Threads::_return_code = 0;
+int         Threads::_thread_claim_parity = 0;
 size_t      JavaThread::_stack_size_at_create = 0;
 #ifdef ASSERT
 bool        Threads::_vm_complete = false;
@@ -3217,7 +3218,6 @@
   // If CompilerThreads ever become non-JavaThreads, add them here
 }
 
-
 void Threads::initialize_java_lang_classes(JavaThread* main_thread, TRAPS) {
   TraceTime timer("Initialize java.lang classes", TraceStartupTime);
 
@@ -4046,6 +4046,26 @@
   VMThread::vm_thread()->oops_do(f, cld_f, cf);
 }
 
+void Threads::change_thread_claim_parity() {
+  // Set the new claim parity.
+  assert(_thread_claim_parity >= 0 && _thread_claim_parity <= 2,
+         "Not in range.");
+  _thread_claim_parity++;
+  if (_thread_claim_parity == 3) _thread_claim_parity = 1;
+  assert(_thread_claim_parity >= 1 && _thread_claim_parity <= 2,
+         "Not in range.");
+}
+
+#ifndef PRODUCT
+void Threads::assert_all_threads_claimed() {
+  ALL_JAVA_THREADS(p) {
+    const int thread_parity = p->oops_do_parity();
+    assert((thread_parity == _thread_claim_parity),
+        err_msg("Thread " PTR_FORMAT " has incorrect parity %d != %d", p2i(p), thread_parity, _thread_claim_parity));
+  }
+}
+#endif // PRODUCT
+
 void Threads::possibly_parallel_oops_do(OopClosure* f, CLDClosure* cld_f, CodeBlobClosure* cf) {
   // Introduce a mechanism allowing parallel threads to claim threads as
   // root groups.  Overhead should be small enough to use all the time,
@@ -4060,7 +4080,7 @@
   assert(!is_par ||
          (SharedHeap::heap()->n_par_threads() ==
          SharedHeap::heap()->workers()->active_workers()), "Mismatch");
-  int cp = SharedHeap::heap()->strong_roots_parity();
+  int cp = Threads::thread_claim_parity();
   ALL_JAVA_THREADS(p) {
     if (p->claim_oops_do(is_par, cp)) {
       p->oops_do(f, cld_f, cf);
--- a/src/share/vm/runtime/thread.hpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/runtime/thread.hpp	Thu Apr 09 17:38:28 2015 -0700
@@ -551,6 +551,7 @@
   Monitor* owned_locks() const                   { return _owned_locks;          }
   bool owns_locks() const                        { return owned_locks() != NULL; }
   bool owns_locks_but_compiled_lock() const;
+  int oops_do_parity() const                     { return _oops_do_parity; }
 
   // Deadlock detection
   bool allow_allocation()                        { return _allow_allocation_count == 0; }
@@ -1855,6 +1856,7 @@
   static int         _number_of_threads;
   static int         _number_of_non_daemon_threads;
   static int         _return_code;
+  static int         _thread_claim_parity;
 #ifdef ASSERT
   static bool        _vm_complete;
 #endif
@@ -1884,9 +1886,10 @@
   // Does not include JNI_VERSION_1_1
   static jboolean is_supported_jni_version(jint version);
 
-  // Garbage collection
-  static void follow_other_roots(void f(oop*));
+  static int thread_claim_parity() { return _thread_claim_parity; }
+  static void change_thread_claim_parity();
 
+  static void assert_all_threads_claimed() PRODUCT_RETURN;
   // Apply "f->do_oop" to all root oops in all threads.
   // This version may only be called by sequential code.
   static void oops_do(OopClosure* f, CLDClosure* cld_f, CodeBlobClosure* cf);
--- a/src/share/vm/runtime/vmStructs.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/runtime/vmStructs.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -527,11 +527,11 @@
   nonstatic_field(CollectedHeap,               _defer_initial_card_mark,                      bool)                                  \
   nonstatic_field(CollectedHeap,               _is_gc_active,                                 bool)                                  \
   nonstatic_field(CollectedHeap,               _total_collections,                            unsigned int)                          \
+                                                                                                                                     \
   nonstatic_field(CompactibleSpace,            _compaction_top,                               HeapWord*)                             \
   nonstatic_field(CompactibleSpace,            _first_dead,                                   HeapWord*)                             \
   nonstatic_field(CompactibleSpace,            _end_of_live,                                  HeapWord*)                             \
                                                                                                                                      \
-                                                                                                                                     \
   nonstatic_field(ContiguousSpace,             _top,                                          HeapWord*)                             \
   nonstatic_field(ContiguousSpace,             _concurrent_iteration_safe_limit,              HeapWord*)                             \
   nonstatic_field(ContiguousSpace,             _saved_mark_word,                              HeapWord*)                             \
@@ -559,7 +559,9 @@
   nonstatic_field(GenCollectedHeap,            _young_gen,                                    Generation*)                           \
   nonstatic_field(GenCollectedHeap,            _old_gen,                                      Generation*)                           \
  nonstatic_field(GenCollectedHeap,             _n_gens,                                       int)                                   \
-  nonstatic_field(GenCollectedHeap,            _gen_specs,                                    GenerationSpec**)                      \
+                                                                                                                                     \
+  nonstatic_field(GenCollectorPolicy,          _young_gen_spec,                               GenerationSpec*)                       \
+  nonstatic_field(GenCollectorPolicy,          _old_gen_spec,                                 GenerationSpec*)                       \
                                                                                                                                      \
   nonstatic_field(HeapWord,                    i,                                             char*)                                 \
                                                                                                                                      \
@@ -1505,6 +1507,7 @@
            declare_type(DefNewGeneration,             Generation)         \
            declare_type(CardGeneration,               Generation)         \
            declare_type(TenuredGeneration,            CardGeneration)     \
+  declare_toplevel_type(GenCollectorPolicy)                               \
   declare_toplevel_type(Space)                                            \
   declare_toplevel_type(BitMap)                                           \
            declare_type(CompactibleSpace,             Space)              \
@@ -2250,9 +2253,9 @@
                                                                           \
   declare_constant(CardTableRS::youngergen_card)                          \
                                                                           \
-  declare_constant(CollectedHeap::Abstract)                               \
-  declare_constant(CollectedHeap::SharedHeap)                             \
   declare_constant(CollectedHeap::GenCollectedHeap)                       \
+  declare_constant(CollectedHeap::ParallelScavengeHeap)                   \
+  declare_constant(CollectedHeap::G1CollectedHeap)                        \
                                                                           \
   declare_constant(GenCollectedHeap::max_gens)                            \
                                                                           \
--- a/src/share/vm/services/memoryService.cpp	Thu Apr 09 06:40:12 2015 -0700
+++ b/src/share/vm/services/memoryService.cpp	Thu Apr 09 17:38:28 2015 -0700
@@ -130,8 +130,7 @@
 
   GenCollectorPolicy* gen_policy = policy->as_generation_policy();
   if (gen_policy != NULL) {
-    GenerationSpec** specs = gen_policy->generations();
-    Generation::Name kind = specs[0]->name();
+    Generation::Name kind = gen_policy->young_gen_spec()->name();
     switch (kind) {
       case Generation::DefNew:
         _minor_gc_manager = MemoryManager::get_copy_memory_manager();
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/ergonomics/TestDynamicNumberOfGCThreads.java	Thu Apr 09 17:38:28 2015 -0700
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2015, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test TestDynamicNumberOfGCThreads
+ * @bug 8017462
+ * @summary Ensure that UseDynamicNumberOfGCThreads runs
+ * @requires vm.gc=="null"
+ * @key gc
+ * @library /testlibrary
+ */
+
+import com.oracle.java.testlibrary.ProcessTools;
+import com.oracle.java.testlibrary.OutputAnalyzer;
+
+public class TestDynamicNumberOfGCThreads {
+  public static void main(String[] args) throws Exception {
+
+    testDynamicNumberOfGCThreads("UseConcMarkSweepGC");
+
+    testDynamicNumberOfGCThreads("UseG1GC");
+
+    testDynamicNumberOfGCThreads("UseParallelGC");
+  }
+
+  private static void verifyDynamicNumberOfGCThreads(OutputAnalyzer output) {
+    output.shouldContain("new_active_workers");
+    output.shouldHaveExitValue(0);
+  }
+
+  private static void testDynamicNumberOfGCThreads(String gcFlag) throws Exception {
+    // UseDynamicNumberOfGCThreads and TraceDynamicGCThreads enabled
+    ProcessBuilder pb_enabled =
+      ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-Xmx10M", "-XX:+PrintGCDetails",  "-XX:+UseDynamicNumberOfGCThreads", "-XX:+TraceDynamicGCThreads", GCTest.class.getName());
+    verifyDynamicNumberOfGCThreads(new OutputAnalyzer(pb_enabled.start()));
+  }
+
+  static class GCTest {
+    private static byte[] garbage;
+    public static void main(String [] args) {
+      System.out.println("Creating garbage");
+      // create 128MB of garbage. This should result in at least one GC
+      for (int i = 0; i < 1024; i++) {
+        garbage = new byte[128 * 1024];
+      }
+      System.out.println("Done");
+    }
+  }
+}