OpenJDK / jdk / jdk12

changeset 26327:af7eab49716d

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Merge
author jmasa
date Fri, 29 Aug 2014 08:07:13 -0700
parents d36e8d9dcac8 a277a3942f75
children 8f17e084029b
files hotspot/src/share/vm/gc_implementation/g1/heapRegion.hpp
diffstat 50 files changed, 314 insertions(+), 571 deletions(-) [+]
line wrap: on
line diff
--- a/hotspot/make/Makefile	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/make/Makefile	Fri Aug 29 08:07:13 2014 -0700
@@ -721,6 +721,19 @@
 	   ($(CD) $(JDK_IMAGE_DIR)/debug && $(TAR) -xf -) ; \
 	fi
 
+copy_optimized_jdk::
+	$(RM) -r $(JDK_IMAGE_DIR)/optimized
+	$(MKDIR) -p $(JDK_IMAGE_DIR)/optimized
+	if [ -d $(JDK_IMPORT_PATH)/optimized ] ; then \
+	  ($(CD) $(JDK_IMPORT_PATH)/optimized && \
+	   $(TAR) -cf - $(JDK_DIRS)) | \
+	   ($(CD) $(JDK_IMAGE_DIR)/optimized && $(TAR) -xf -) ; \
+	else \
+	  ($(CD) $(JDK_IMPORT_PATH) && \
+	   $(TAR) -cf - $(JDK_DIRS)) | \
+	   ($(CD) $(JDK_IMAGE_DIR)/optimized && $(TAR) -xf -) ; \
+	fi
+
 #
 # Check target
 #
--- a/hotspot/make/jprt.gmk	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/make/jprt.gmk	Fri Aug 29 08:07:13 2014 -0700
@@ -42,6 +42,9 @@
 jprt_build_fastdebugEmb:
 	$(MAKE) JAVASE_EMBEDDED=true MINIMIZE_RAM_USAGE=true jprt_build_fastdebug
 
+jprt_build_optimizedEmb:
+	$(MAKE) JAVASE_EMBEDDED=true MINIMIZE_RAM_USAGE=true jprt_build_optimized
+
 jprt_build_productOpen:
 	$(MAKE) OPENJDK=true jprt_build_product
 
@@ -51,6 +54,9 @@
 jprt_build_fastdebugOpen:
 	$(MAKE) OPENJDK=true jprt_build_fastdebug
 
+jprt_build_optimizedOpen:
+	$(MAKE) OPENJDK=true jprt_build_optimized
+
 jprt_build_product: all_product copy_product_jdk export_product_jdk
 	( $(CD) $(JDK_IMAGE_DIR) && \
 	  $(ZIPEXE) $(ZIPFLAGS) -r $(JPRT_ARCHIVE_BUNDLE) . )
@@ -63,5 +69,9 @@
 	( $(CD) $(JDK_IMAGE_DIR)/debug && \
 	  $(ZIPEXE) $(ZIPFLAGS) -r $(JPRT_ARCHIVE_BUNDLE) . )
 
-.PHONY: jprt_build_product jprt_build_fastdebug jprt_build_debug
+jprt_build_optimized: all_optimized copy_optimized_jdk export_optimized_jdk
+	( $(CD) $(JDK_IMAGE_DIR)/optimized && \
+	  $(ZIPEXE) $(ZIPFLAGS) -r $(JPRT_ARCHIVE_BUNDLE) . )
 
+.PHONY: jprt_build_product jprt_build_fastdebug jprt_build_debug jprt_build_optimized
+
--- a/hotspot/make/jprt.properties	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/make/jprt.properties	Fri Aug 29 08:07:13 2014 -0700
@@ -93,13 +93,13 @@
 # Standard list of jprt build targets for this source tree
 
 jprt.build.targets.standard= \
-    ${jprt.my.solaris.sparcv9}-{product|fastdebug|optimized}, \
+    ${jprt.my.solaris.sparcv9}-{product|fastdebug}, \
     ${jprt.my.solaris.x64}-{product|fastdebug}, \
     ${jprt.my.linux.i586}-{product|fastdebug}, \
-    ${jprt.my.linux.x64}-{product|fastdebug|optimized}, \
+    ${jprt.my.linux.x64}-{product|fastdebug}, \
     ${jprt.my.macosx.x64}-{product|fastdebug}, \
     ${jprt.my.windows.i586}-{product|fastdebug}, \
-    ${jprt.my.windows.x64}-{product|fastdebug|optimized}, \
+    ${jprt.my.windows.x64}-{product|fastdebug}, \
     ${jprt.my.linux.armvh}-{product|fastdebug}
 
 jprt.build.targets.open= \
--- a/hotspot/make/windows/makefiles/vm.make	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/make/windows/makefiles/vm.make	Fri Aug 29 08:07:13 2014 -0700
@@ -34,6 +34,9 @@
 CXX_FLAGS=$(CXX_FLAGS) /D "PRODUCT"
 !else
 CXX_FLAGS=$(CXX_FLAGS) /D "ASSERT"
+!if "$(BUILDARCH)" == "amd64"
+CXX_FLAGS=$(CXX_FLAGS) /homeparams
+!endif
 !endif
 
 !if "$(Variant)" == "compiler1"
--- a/hotspot/src/cpu/x86/vm/vm_version_x86.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/cpu/x86/vm/vm_version_x86.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -604,6 +604,17 @@
 
 #if INCLUDE_RTM_OPT
   if (UseRTMLocking) {
+    if (is_intel_family_core()) {
+      if ((_model == CPU_MODEL_HASWELL_E3) ||
+          (_model == CPU_MODEL_HASWELL_E7 && _stepping < 3) ||
+          (_model == CPU_MODEL_BROADWELL  && _stepping < 4)) {
+        if (!UnlockExperimentalVMOptions) {
+          vm_exit_during_initialization("UseRTMLocking is only available as experimental option on this platform. It must be enabled via -XX:+UnlockExperimentalVMOptions flag.");
+        } else {
+          warning("UseRTMLocking is only available as experimental option on this platform.");
+        }
+      }
+    }
     if (!FLAG_IS_CMDLINE(UseRTMLocking)) {
       // RTM locking should be used only for applications with
       // high lock contention. For now we do not use it by default.
--- a/hotspot/src/cpu/x86/vm/vm_version_x86.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/cpu/x86/vm/vm_version_x86.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -276,7 +276,10 @@
     CPU_MODEL_WESTMERE_EX    = 0x2f,
     CPU_MODEL_SANDYBRIDGE    = 0x2a,
     CPU_MODEL_SANDYBRIDGE_EP = 0x2d,
-    CPU_MODEL_IVYBRIDGE_EP   = 0x3a
+    CPU_MODEL_IVYBRIDGE_EP   = 0x3a,
+    CPU_MODEL_HASWELL_E3     = 0x3c,
+    CPU_MODEL_HASWELL_E7     = 0x3f,
+    CPU_MODEL_BROADWELL      = 0x3d
   } cpuExtendedFamily;
 
   // cpuid information block.  All info derived from executing cpuid with
--- a/hotspot/src/os/windows/vm/os_windows.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/os/windows/vm/os_windows.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -135,11 +135,6 @@
       if (ForceTimeHighResolution)
         timeEndPeriod(1L);
 
-      // Workaround for issue when a custom launcher doesn't call
-      // DestroyJavaVM and NMT is trying to track memory when free is
-      // called from a static destructor
-      MemTracker::shutdown();
-
       break;
     default:
       break;
@@ -414,6 +409,8 @@
 
 LONG WINAPI topLevelExceptionFilter(struct _EXCEPTION_POINTERS* exceptionInfo);
 
+extern jint volatile vm_getting_terminated;
+
 // Thread start routine for all new Java threads
 static unsigned __stdcall java_start(Thread* thread) {
   // Try to randomize the cache line index of hot stack frames.
@@ -435,9 +432,17 @@
     }
   }
 
+  // Diagnostic code to investigate JDK-6573254 (Part I)
+  unsigned res = 90115;  // non-java thread
+  if (thread->is_Java_thread()) {
+    JavaThread* java_thread = (JavaThread*)thread;
+    res = java_lang_Thread::is_daemon(java_thread->threadObj())
+          ? 70115        // java daemon thread
+          : 80115;       // java non-daemon thread
+  }
 
   // Install a win32 structured exception handler around every thread created
-  // by VM, so VM can genrate error dump when an exception occurred in non-
+  // by VM, so VM can generate error dump when an exception occurred in non-
   // Java thread (e.g. VM thread).
   __try {
      thread->run();
@@ -453,6 +458,11 @@
     Atomic::dec_ptr((intptr_t*)&os::win32::_os_thread_count);
   }
 
+  // Diagnostic code to investigate JDK-6573254 (Part II)
+  if (OrderAccess::load_acquire(&vm_getting_terminated)) {
+    return res;
+  }
+
   return 0;
 }
 
--- a/hotspot/src/share/tools/ProjectCreator/BuildConfig.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/tools/ProjectCreator/BuildConfig.java	Fri Aug 29 08:07:13 2014 -0700
@@ -504,7 +504,7 @@
 
         super.init(includes, defines);
 
-        getV("CompilerFlags").addAll(getCI().getDebugCompilerFlags(getOptFlag()));
+        getV("CompilerFlags").addAll(getCI().getDebugCompilerFlags(getOptFlag(), get("PlatformName")));
         getV("LinkerFlags").addAll(getCI().getDebugLinkerFlags());
    }
 }
@@ -619,7 +619,7 @@
 abstract class CompilerInterface {
     abstract Vector getBaseCompilerFlags(Vector defines, Vector includes, String outDir);
     abstract Vector getBaseLinkerFlags(String outDir, String outDll, String platformName);
-    abstract Vector getDebugCompilerFlags(String opt);
+    abstract Vector getDebugCompilerFlags(String opt, String platformName);
     abstract Vector getDebugLinkerFlags();
     abstract void   getAdditionalNonKernelLinkerFlags(Vector rv);
     abstract Vector getProductCompilerFlags();
--- a/hotspot/src/share/tools/ProjectCreator/WinGammaPlatformVC10.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/tools/ProjectCreator/WinGammaPlatformVC10.java	Fri Aug 29 08:07:13 2014 -0700
@@ -357,7 +357,7 @@
     }
 
     @Override
-    Vector getDebugCompilerFlags(String opt) {
+    Vector getDebugCompilerFlags(String opt, String platformName) {
         Vector rv = new Vector();
 
         // Set /On option
@@ -369,6 +369,10 @@
         addAttr(rv, "RuntimeLibrary", "MultiThreadedDLL");
         // Set /Oy- option
         addAttr(rv, "OmitFramePointers", "false");
+        // Set /homeparams for x64 debug builds
+        if(platformName.equals("x64")) {
+            addAttr(rv, "AdditionalOptions", "/homeparams");
+        }
 
         return rv;
     }
--- a/hotspot/src/share/tools/ProjectCreator/WinGammaPlatformVC7.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/tools/ProjectCreator/WinGammaPlatformVC7.java	Fri Aug 29 08:07:13 2014 -0700
@@ -284,7 +284,7 @@
 
    }
 
-   Vector getDebugCompilerFlags(String opt) {
+   Vector getDebugCompilerFlags(String opt, String platformName) {
       Vector rv = new Vector();
 
       getDebugCompilerFlags_common(opt, rv);
--- a/hotspot/src/share/tools/ProjectCreator/WinGammaPlatformVC8.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/tools/ProjectCreator/WinGammaPlatformVC8.java	Fri Aug 29 08:07:13 2014 -0700
@@ -48,7 +48,7 @@
     }
 
 
-    Vector getDebugCompilerFlags(String opt) {
+    Vector getDebugCompilerFlags(String opt, String platformName) {
         Vector rv = new Vector();
 
         getDebugCompilerFlags_common(opt,rv);
--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -328,9 +328,11 @@
 void ConcurrentMarkSweepGeneration::initialize_performance_counters() {
 
   const char* gen_name = "old";
+  GenCollectorPolicy* gcp = (GenCollectorPolicy*) GenCollectedHeap::heap()->collector_policy();
 
   // Generation Counters - generation 1, 1 subspace
-  _gen_counters = new GenerationCounters(gen_name, 1, 1, &_virtual_space);
+  _gen_counters = new GenerationCounters(gen_name, 1, 1,
+      gcp->min_old_size(), gcp->max_old_size(), &_virtual_space);
 
   _space_counters = new GSpaceCounters(gen_name, 0,
                                        _virtual_space.reserved_size(),
--- a/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -32,13 +32,6 @@
 
 
 
-void G1BlockOffsetSharedArrayMappingChangedListener::on_commit(uint start_idx, size_t num_regions) {
-  // Nothing to do. The BOT is hard-wired to be part of the HeapRegion, and we cannot
-  // retrieve it here since this would cause firing of several asserts. The code
-  // executed after commit of a region already needs to do some re-initialization of
-  // the HeapRegion, so we combine that.
-}
-
 //////////////////////////////////////////////////////////////////////
 // G1BlockOffsetSharedArray
 //////////////////////////////////////////////////////////////////////
@@ -72,26 +65,16 @@
   return (delta & right_n_bits(LogN_words)) == (size_t)NoBits;
 }
 
-void G1BlockOffsetSharedArray::set_offset_array(HeapWord* left, HeapWord* right, u_char offset) {
-  set_offset_array(index_for(left), index_for(right -1), offset);
-}
-
 //////////////////////////////////////////////////////////////////////
 // G1BlockOffsetArray
 //////////////////////////////////////////////////////////////////////
 
 G1BlockOffsetArray::G1BlockOffsetArray(G1BlockOffsetSharedArray* array,
-                                       MemRegion mr, bool init_to_zero) :
+                                       MemRegion mr) :
   G1BlockOffsetTable(mr.start(), mr.end()),
   _unallocated_block(_bottom),
-  _array(array), _gsp(NULL),
-  _init_to_zero(init_to_zero) {
+  _array(array), _gsp(NULL) {
   assert(_bottom <= _end, "arguments out of order");
-  if (!_init_to_zero) {
-    // initialize cards to point back to mr.start()
-    set_remainder_to_point_to_start(mr.start() + N_words, mr.end());
-    _array->set_offset_array(0, 0);  // set first card to 0
-  }
 }
 
 void G1BlockOffsetArray::set_space(G1OffsetTableContigSpace* sp) {
@@ -181,93 +164,6 @@
   DEBUG_ONLY(check_all_cards(start_card, end_card);)
 }
 
-// The block [blk_start, blk_end) has been allocated;
-// adjust the block offset table to represent this information;
-// right-open interval: [blk_start, blk_end)
-void
-G1BlockOffsetArray::alloc_block(HeapWord* blk_start, HeapWord* blk_end) {
-  mark_block(blk_start, blk_end);
-  allocated(blk_start, blk_end);
-}
-
-// Adjust BOT to show that a previously whole block has been split
-// into two.
-void G1BlockOffsetArray::split_block(HeapWord* blk, size_t blk_size,
-                                     size_t left_blk_size) {
-  // Verify that the BOT shows [blk, blk + blk_size) to be one block.
-  verify_single_block(blk, blk_size);
-  // Update the BOT to indicate that [blk + left_blk_size, blk + blk_size)
-  // is one single block.
-  mark_block(blk + left_blk_size, blk + blk_size);
-}
-
-
-// Action_mark - update the BOT for the block [blk_start, blk_end).
-//               Current typical use is for splitting a block.
-// Action_single - update the BOT for an allocation.
-// Action_verify - BOT verification.
-void G1BlockOffsetArray::do_block_internal(HeapWord* blk_start,
-                                           HeapWord* blk_end,
-                                           Action action) {
-  assert(Universe::heap()->is_in_reserved(blk_start),
-         "reference must be into the heap");
-  assert(Universe::heap()->is_in_reserved(blk_end-1),
-         "limit must be within the heap");
-  // This is optimized to make the test fast, assuming we only rarely
-  // cross boundaries.
-  uintptr_t end_ui = (uintptr_t)(blk_end - 1);
-  uintptr_t start_ui = (uintptr_t)blk_start;
-  // Calculate the last card boundary preceding end of blk
-  intptr_t boundary_before_end = (intptr_t)end_ui;
-  clear_bits(boundary_before_end, right_n_bits(LogN));
-  if (start_ui <= (uintptr_t)boundary_before_end) {
-    // blk starts at or crosses a boundary
-    // Calculate index of card on which blk begins
-    size_t    start_index = _array->index_for(blk_start);
-    // Index of card on which blk ends
-    size_t    end_index   = _array->index_for(blk_end - 1);
-    // Start address of card on which blk begins
-    HeapWord* boundary    = _array->address_for_index(start_index);
-    assert(boundary <= blk_start, "blk should start at or after boundary");
-    if (blk_start != boundary) {
-      // blk starts strictly after boundary
-      // adjust card boundary and start_index forward to next card
-      boundary += N_words;
-      start_index++;
-    }
-    assert(start_index <= end_index, "monotonicity of index_for()");
-    assert(boundary <= (HeapWord*)boundary_before_end, "tautology");
-    switch (action) {
-      case Action_mark: {
-        if (init_to_zero()) {
-          _array->set_offset_array(start_index, boundary, blk_start);
-          break;
-        } // Else fall through to the next case
-      }
-      case Action_single: {
-        _array->set_offset_array(start_index, boundary, blk_start);
-        // We have finished marking the "offset card". We need to now
-        // mark the subsequent cards that this blk spans.
-        if (start_index < end_index) {
-          HeapWord* rem_st = _array->address_for_index(start_index) + N_words;
-          HeapWord* rem_end = _array->address_for_index(end_index) + N_words;
-          set_remainder_to_point_to_start(rem_st, rem_end);
-        }
-        break;
-      }
-      case Action_check: {
-        _array->check_offset_array(start_index, boundary, blk_start);
-        // We have finished checking the "offset card". We need to now
-        // check the subsequent cards that this blk spans.
-        check_all_cards(start_index + 1, end_index);
-        break;
-      }
-      default:
-        ShouldNotReachHere();
-    }
-  }
-}
-
 // The card-interval [start_card, end_card] is a closed interval; this
 // is an expensive check -- use with care and only under protection of
 // suitable flag.
@@ -306,25 +202,6 @@
   }
 }
 
-// The range [blk_start, blk_end) represents a single contiguous block
-// of storage; modify the block offset table to represent this
-// information; Right-open interval: [blk_start, blk_end)
-// NOTE: this method does _not_ adjust _unallocated_block.
-void
-G1BlockOffsetArray::single_block(HeapWord* blk_start, HeapWord* blk_end) {
-  do_block_internal(blk_start, blk_end, Action_single);
-}
-
-// Mark the BOT such that if [blk_start, blk_end) straddles a card
-// boundary, the card following the first such boundary is marked
-// with the appropriate offset.
-// NOTE: this method does _not_ adjust _unallocated_block or
-// any cards subsequent to the first one.
-void
-G1BlockOffsetArray::mark_block(HeapWord* blk_start, HeapWord* blk_end) {
-  do_block_internal(blk_start, blk_end, Action_mark);
-}
-
 HeapWord* G1BlockOffsetArray::block_start_unsafe(const void* addr) {
   assert(_bottom <= addr && addr < _end,
          "addr must be covered by this Array");
@@ -397,57 +274,13 @@
   return forward_to_block_containing_addr_const(q, n, addr);
 }
 
-HeapWord* G1BlockOffsetArray::block_start_careful(const void* addr) const {
-  assert(_array->offset_array(0) == 0, "objects can't cross covered areas");
-
-  assert(_bottom <= addr && addr < _end,
-         "addr must be covered by this Array");
-  // Must read this exactly once because it can be modified by parallel
-  // allocation.
-  HeapWord* ub = _unallocated_block;
-  if (BlockOffsetArrayUseUnallocatedBlock && addr >= ub) {
-    assert(ub < _end, "tautology (see above)");
-    return ub;
-  }
-
-  // Otherwise, find the block start using the table, but taking
-  // care (cf block_start_unsafe() above) not to parse any objects/blocks
-  // on the cards themselves.
-  size_t index = _array->index_for(addr);
-  assert(_array->address_for_index(index) == addr,
-         "arg should be start of card");
-
-  HeapWord* q = (HeapWord*)addr;
-  uint offset;
-  do {
-    offset = _array->offset_array(index--);
-    q -= offset;
-  } while (offset == N_words);
-  assert(q <= addr, "block start should be to left of arg");
-  return q;
-}
-
 // Note that the committed size of the covered space may have changed,
 // so the table size might also wish to change.
 void G1BlockOffsetArray::resize(size_t new_word_size) {
   HeapWord* new_end = _bottom + new_word_size;
-  if (_end < new_end && !init_to_zero()) {
-    // verify that the old and new boundaries are also card boundaries
-    assert(_array->is_card_boundary(_end),
-           "_end not a card boundary");
-    assert(_array->is_card_boundary(new_end),
-           "new _end would not be a card boundary");
-    // set all the newly added cards
-    _array->set_offset_array(_end, new_end, N_words);
-  }
   _end = new_end;  // update _end
 }
 
-void G1BlockOffsetArray::set_region(MemRegion mr) {
-  _bottom = mr.start();
-  _end = mr.end();
-}
-
 //
 //              threshold_
 //              |   _index_
@@ -606,7 +439,7 @@
 G1BlockOffsetArrayContigSpace::
 G1BlockOffsetArrayContigSpace(G1BlockOffsetSharedArray* array,
                               MemRegion mr) :
-  G1BlockOffsetArray(array, mr, true)
+  G1BlockOffsetArray(array, mr)
 {
   _next_offset_threshold = NULL;
   _next_offset_index = 0;
@@ -641,15 +474,6 @@
   return _next_offset_threshold;
 }
 
-void G1BlockOffsetArrayContigSpace::zero_bottom_entry() {
-  assert(!Universe::heap()->is_in_reserved(_array->_offset_array),
-         "just checking");
-  size_t bottom_index = _array->index_for(_bottom);
-  assert(_array->address_for_index(bottom_index) == _bottom,
-         "Precondition of call");
-  _array->set_offset_array(bottom_index, 0);
-}
-
 void
 G1BlockOffsetArrayContigSpace::set_for_starts_humongous(HeapWord* new_top) {
   assert(new_top <= _end, "_end should have already been updated");
--- a/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -109,7 +109,12 @@
 
 class G1BlockOffsetSharedArrayMappingChangedListener : public G1MappingChangedListener {
  public:
-  virtual void on_commit(uint start_idx, size_t num_regions);
+  virtual void on_commit(uint start_idx, size_t num_regions) {
+    // Nothing to do. The BOT is hard-wired to be part of the HeapRegion, and we cannot
+    // retrieve it here since this would cause firing of several asserts. The code
+    // executed after commit of a region already needs to do some re-initialization of
+    // the HeapRegion, so we combine that.
+  }
 };
 
 // This implementation of "G1BlockOffsetTable" divides the covered region
@@ -153,8 +158,6 @@
   // For performance these have to devolve to array accesses in product builds.
   inline u_char offset_array(size_t index) const;
 
-  void set_offset_array(HeapWord* left, HeapWord* right, u_char offset);
-
   void set_offset_array_raw(size_t index, u_char offset) {
     _offset_array[index] = offset;
   }
@@ -165,8 +168,6 @@
 
   inline void set_offset_array(size_t left, size_t right, u_char offset);
 
-  inline void check_offset_array(size_t index, HeapWord* high, HeapWord* low) const;
-
   bool is_card_boundary(HeapWord* p) const;
 
 public:
@@ -193,8 +194,6 @@
   // G1BlockOffsetTable(s) to initialize cards.
   G1BlockOffsetSharedArray(MemRegion heap, G1RegionToSpaceMapper* storage);
 
-  void set_bottom(HeapWord* new_bottom);
-
   // Return the appropriate index into "_offset_array" for "p".
   inline size_t index_for(const void* p) const;
   inline size_t index_for_raw(const void* p) const;
@@ -220,14 +219,6 @@
     LogN    = G1BlockOffsetSharedArray::LogN
   };
 
-  // The following enums are used by do_block_helper
-  enum Action {
-    Action_single,      // BOT records a single block (see single_block())
-    Action_mark,        // BOT marks the start of a block (see mark_block())
-    Action_check        // Check that BOT records block correctly
-                        // (see verify_single_block()).
-  };
-
   // This is the array, which can be shared by several BlockOffsetArray's
   // servicing different
   G1BlockOffsetSharedArray* _array;
@@ -235,10 +226,6 @@
   // The space that owns this subregion.
   G1OffsetTableContigSpace* _gsp;
 
-  // If true, array entries are initialized to 0; otherwise, they are
-  // initialized to point backwards to the beginning of the covered region.
-  bool _init_to_zero;
-
   // The portion [_unallocated_block, _sp.end()) of the space that
   // is a single block known not to contain any objects.
   // NOTE: See BlockOffsetArrayUseUnallocatedBlock flag.
@@ -253,9 +240,6 @@
   // that is closed: [start_index, end_index]
   void set_remainder_to_point_to_start_incl(size_t start, size_t end);
 
-  // A helper function for BOT adjustment/verification work
-  void do_block_internal(HeapWord* blk_start, HeapWord* blk_end, Action action);
-
 protected:
 
   G1OffsetTableContigSpace* gsp() const { return _gsp; }
@@ -303,11 +287,9 @@
 
 public:
   // The space may not have it's bottom and top set yet, which is why the
-  // region is passed as a parameter.  If "init_to_zero" is true, the
-  // elements of the array are initialized to zero.  Otherwise, they are
-  // initialized to point backwards to the beginning.
-  G1BlockOffsetArray(G1BlockOffsetSharedArray* array, MemRegion mr,
-                     bool init_to_zero);
+  // region is passed as a parameter. The elements of the array are
+  // initialized to zero.
+  G1BlockOffsetArray(G1BlockOffsetSharedArray* array, MemRegion mr);
 
   // Note: this ought to be part of the constructor, but that would require
   // "this" to be passed as a parameter to a member constructor for
@@ -315,114 +297,19 @@
   // This would be legal C++, but MS VC++ doesn't allow it.
   void set_space(G1OffsetTableContigSpace* sp);
 
-  // Resets the covered region to the given "mr".
-  void set_region(MemRegion mr);
-
   // Resets the covered region to one with the same _bottom as before but
   // the "new_word_size".
   void resize(size_t new_word_size);
 
-  // These must be guaranteed to work properly (i.e., do nothing)
-  // when "blk_start" ("blk" for second version) is "NULL".
-  virtual void alloc_block(HeapWord* blk_start, HeapWord* blk_end);
-  virtual void alloc_block(HeapWord* blk, size_t size) {
-    alloc_block(blk, blk + size);
-  }
-
-  // The following methods are useful and optimized for a
-  // general, non-contiguous space.
-
-  // Given a block [blk_start, blk_start + full_blk_size), and
-  // a left_blk_size < full_blk_size, adjust the BOT to show two
-  // blocks [blk_start, blk_start + left_blk_size) and
-  // [blk_start + left_blk_size, blk_start + full_blk_size).
-  // It is assumed (and verified in the non-product VM) that the
-  // BOT was correct for the original block.
-  void split_block(HeapWord* blk_start, size_t full_blk_size,
-                           size_t left_blk_size);
-
-  // Adjust the BOT to show that it has a single block in the
-  // range [blk_start, blk_start + size). All necessary BOT
-  // cards are adjusted, but _unallocated_block isn't.
-  void single_block(HeapWord* blk_start, HeapWord* blk_end);
-  void single_block(HeapWord* blk, size_t size) {
-    single_block(blk, blk + size);
-  }
-
-  // Adjust BOT to show that it has a block in the range
-  // [blk_start, blk_start + size). Only the first card
-  // of BOT is touched. It is assumed (and verified in the
-  // non-product VM) that the remaining cards of the block
-  // are correct.
-  void mark_block(HeapWord* blk_start, HeapWord* blk_end);
-  void mark_block(HeapWord* blk, size_t size) {
-    mark_block(blk, blk + size);
-  }
-
-  // Adjust _unallocated_block to indicate that a particular
-  // block has been newly allocated or freed. It is assumed (and
-  // verified in the non-product VM) that the BOT is correct for
-  // the given block.
-  inline void allocated(HeapWord* blk_start, HeapWord* blk_end) {
-    // Verify that the BOT shows [blk, blk + blk_size) to be one block.
-    verify_single_block(blk_start, blk_end);
-    if (BlockOffsetArrayUseUnallocatedBlock) {
-      _unallocated_block = MAX2(_unallocated_block, blk_end);
-    }
-  }
-
-  inline void allocated(HeapWord* blk, size_t size) {
-    allocated(blk, blk + size);
-  }
-
-  inline void freed(HeapWord* blk_start, HeapWord* blk_end);
-
-  inline void freed(HeapWord* blk, size_t size);
-
   virtual HeapWord* block_start_unsafe(const void* addr);
   virtual HeapWord* block_start_unsafe_const(const void* addr) const;
 
-  // Requires "addr" to be the start of a card and returns the
-  // start of the block that contains the given address.
-  HeapWord* block_start_careful(const void* addr) const;
-
-  // If true, initialize array slots with no allocated blocks to zero.
-  // Otherwise, make them point back to the front.
-  bool init_to_zero() { return _init_to_zero; }
-
-  // Verification & debugging - ensure that the offset table reflects the fact
-  // that the block [blk_start, blk_end) or [blk, blk + size) is a
-  // single block of storage. NOTE: can;t const this because of
-  // call to non-const do_block_internal() below.
-  inline void verify_single_block(HeapWord* blk_start, HeapWord* blk_end) {
-    if (VerifyBlockOffsetArray) {
-      do_block_internal(blk_start, blk_end, Action_check);
-    }
-  }
-
-  inline void verify_single_block(HeapWord* blk, size_t size) {
-    verify_single_block(blk, blk + size);
-  }
-
   // Used by region verification. Checks that the contents of the
   // BOT reflect that there's a single object that spans the address
   // range [obj_start, obj_start + word_size); returns true if this is
   // the case, returns false if it's not.
   bool verify_for_object(HeapWord* obj_start, size_t word_size) const;
 
-  // Verify that the given block is before _unallocated_block
-  inline void verify_not_unallocated(HeapWord* blk_start,
-                                     HeapWord* blk_end) const {
-    if (BlockOffsetArrayUseUnallocatedBlock) {
-      assert(blk_start < blk_end, "Block inconsistency?");
-      assert(blk_end <= _unallocated_block, "_unallocated_block problem");
-    }
-  }
-
-  inline void verify_not_unallocated(HeapWord* blk, size_t size) const {
-    verify_not_unallocated(blk, blk + size);
-  }
-
   void check_all_cards(size_t left_card, size_t right_card) const;
 
   virtual void print_on(outputStream* out) PRODUCT_RETURN;
@@ -445,14 +332,12 @@
                       blk_start, blk_end);
   }
 
-  // Variant of zero_bottom_entry that does not check for availability of the
+  // Zero out the entry for _bottom (offset will be zero). Does not check for availability of the
   // memory first.
   void zero_bottom_entry_raw();
   // Variant of initialize_threshold that does not check for availability of the
   // memory first.
   HeapWord* initialize_threshold_raw();
-  // Zero out the entry for _bottom (offset will be zero).
-  void zero_bottom_entry();
  public:
   G1BlockOffsetArrayContigSpace(G1BlockOffsetSharedArray* array, MemRegion mr);
 
--- a/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.inline.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.inline.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -91,13 +91,6 @@
   }
 }
 
-void G1BlockOffsetSharedArray::check_offset_array(size_t index, HeapWord* high, HeapWord* low) const {
-  check_index(index, "index out of range");
-  assert(high >= low, "addresses out of order");
-  check_offset(pointer_delta(high, low), "offset too large");
-  assert(_offset_array[index] == pointer_delta(high, low), "Wrong offset");
-}
-
 // Variant of index_for that does not check the index for validity.
 inline size_t G1BlockOffsetSharedArray::index_for_raw(const void* p) const {
   return pointer_delta((char*)p, _reserved.start(), sizeof(char)) >> LogN;
@@ -193,28 +186,4 @@
   return q;
 }
 
-//////////////////////////////////////////////////////////////////////////
-// BlockOffsetArrayNonContigSpace inlines
-//////////////////////////////////////////////////////////////////////////
-inline void G1BlockOffsetArray::freed(HeapWord* blk_start, HeapWord* blk_end) {
-  // Verify that the BOT shows [blk_start, blk_end) to be one block.
-  verify_single_block(blk_start, blk_end);
-  // adjust _unallocated_block upward or downward
-  // as appropriate
-  if (BlockOffsetArrayUseUnallocatedBlock) {
-    assert(_unallocated_block <= _end,
-           "Inconsistent value for _unallocated_block");
-    if (blk_end >= _unallocated_block && blk_start <= _unallocated_block) {
-      // CMS-specific note: a block abutting _unallocated_block to
-      // its left is being freed, a new block is being added or
-      // we are resetting following a compaction
-      _unallocated_block = blk_start;
-    }
-  }
-}
-
-inline void G1BlockOffsetArray::freed(HeapWord* blk, size_t size) {
-  freed(blk, blk + size);
-}
-
 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1BLOCKOFFSETTABLE_INLINE_HPP
--- a/hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -322,29 +322,6 @@
   return false;
 }
 
-HeapWord* HeapRegion::next_block_start_careful(HeapWord* addr) {
-  HeapWord* low = addr;
-  HeapWord* high = end();
-  while (low < high) {
-    size_t diff = pointer_delta(high, low);
-    // Must add one below to bias toward the high amount.  Otherwise, if
-  // "high" were at the desired value, and "low" were one less, we
-    // would not converge on "high".  This is not symmetric, because
-    // we set "high" to a block start, which might be the right one,
-    // which we don't do for "low".
-    HeapWord* middle = low + (diff+1)/2;
-    if (middle == high) return high;
-    HeapWord* mid_bs = block_start_careful(middle);
-    if (mid_bs < addr) {
-      low = middle;
-    } else {
-      high = mid_bs;
-    }
-  }
-  assert(low == high && low >= addr, "Didn't work.");
-  return low;
-}
-
 HeapRegion::HeapRegion(uint hrm_index,
                        G1BlockOffsetSharedArray* sharedOffsetArray,
                        MemRegion mr) :
--- a/hotspot/src/share/vm/gc_implementation/g1/heapRegion.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/heapRegion.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -206,10 +206,6 @@
     _offsets.reset_bot();
   }
 
-  void update_bot_for_object(HeapWord* start, size_t word_size) {
-    _offsets.alloc_block(start, word_size);
-  }
-
   void print_bot_on(outputStream* out) {
     _offsets.print_on(out);
   }
@@ -737,18 +733,6 @@
                                    bool filter_young,
                                    jbyte* card_ptr);
 
-  // A version of block start that is guaranteed to find *some* block
-  // boundary at or before "p", but does not object iteration, and may
-  // therefore be used safely when the heap is unparseable.
-  HeapWord* block_start_careful(const void* p) const {
-    return _offsets.block_start_careful(p);
-  }
-
-  // Requires that "addr" is within the region.  Returns the start of the
-  // first ("careful") block that starts at or after "addr", or else the
-  // "end" of the region if there is no such block.
-  HeapWord* next_block_start_careful(HeapWord* addr);
-
   size_t recorded_rs_length() const        { return _recorded_rs_length; }
   double predicted_elapsed_time_ms() const { return _predicted_elapsed_time_ms; }
   size_t predicted_bytes_to_copy() const   { return _predicted_bytes_to_copy; }
--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -30,6 +30,8 @@
 
 PSGenerationCounters::PSGenerationCounters(const char* name,
                                        int ordinal, int spaces,
+                                       size_t min_capacity,
+                                       size_t max_capacity,
                                        PSVirtualSpace* v):
     _ps_virtual_space(v) {
 
@@ -52,11 +54,11 @@
 
     cname = PerfDataManager::counter_name(_name_space, "minCapacity");
     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
-      _ps_virtual_space->committed_size(), CHECK);
+      min_capacity, CHECK);
 
     cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
-      _ps_virtual_space->reserved_size(), CHECK);
+      max_capacity, CHECK);
 
     cname = PerfDataManager::counter_name(_name_space, "capacity");
     _current_size = PerfDataManager::create_variable(SUN_GC, cname,
--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -41,7 +41,7 @@
 
  public:
   PSGenerationCounters(const char* name, int ordinal, int spaces,
-                     PSVirtualSpace* v);
+                       size_t min_capacity, size_t max_capacity, PSVirtualSpace* v);
 
   void update_all() {
     assert(_virtual_space == NULL, "Only one should be in use");
--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psOldGen.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psOldGen.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -149,8 +149,8 @@
 
 void PSOldGen::initialize_performance_counters(const char* perf_data_name, int level) {
   // Generation Counters, generation 'level', 1 subspace
-  _gen_counters = new PSGenerationCounters(perf_data_name, level, 1,
-                                           virtual_space());
+  _gen_counters = new PSGenerationCounters(perf_data_name, level, 1, _min_gen_size,
+                                           _max_gen_size, virtual_space());
   _space_counters = new SpaceCounters(perf_data_name, 0,
                                       virtual_space()->reserved_size(),
                                       _object_space, _gen_counters);
--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psYoungGen.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psYoungGen.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -101,7 +101,8 @@
   }
 
   // Generation Counters - generation 0, 3 subspaces
-  _gen_counters = new PSGenerationCounters("new", 0, 3, _virtual_space);
+  _gen_counters = new PSGenerationCounters("new", 0, 3, _min_gen_size,
+                                           _max_gen_size, _virtual_space);
 
   // Compute maximum space sizes for performance counters
   ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
--- a/hotspot/src/share/vm/gc_implementation/shared/generationCounters.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/shared/generationCounters.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -62,11 +62,12 @@
 
 GenerationCounters::GenerationCounters(const char* name,
                                        int ordinal, int spaces,
+                                       size_t min_capacity, size_t max_capacity,
                                        VirtualSpace* v)
   : _virtual_space(v) {
   assert(v != NULL, "don't call this constructor if v == NULL");
   initialize(name, ordinal, spaces,
-             v->committed_size(), v->reserved_size(), v->committed_size());
+             min_capacity, max_capacity, v->committed_size());
 }
 
 GenerationCounters::GenerationCounters(const char* name,
--- a/hotspot/src/share/vm/gc_implementation/shared/generationCounters.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/shared/generationCounters.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -66,7 +66,7 @@
 
  public:
   GenerationCounters(const char* name, int ordinal, int spaces,
-                     VirtualSpace* v);
+                     size_t min_capacity, size_t max_capacity, VirtualSpace* v);
 
   ~GenerationCounters() {
     if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC);
--- a/hotspot/src/share/vm/memory/defNewGeneration.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/memory/defNewGeneration.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -214,9 +214,11 @@
   _max_eden_size = size - (2*_max_survivor_size);
 
   // allocate the performance counters
+  GenCollectorPolicy* gcp = (GenCollectorPolicy*) GenCollectedHeap::heap()->collector_policy();
 
   // Generation counters -- generation 0, 3 subspaces
-  _gen_counters = new GenerationCounters("new", 0, 3, &_virtual_space);
+  _gen_counters = new GenerationCounters("new", 0, 3,
+      gcp->min_young_size(), gcp->max_young_size(), &_virtual_space);
   _gc_counters = new CollectorCounters(policy, 0);
 
   _eden_counters = new CSpaceCounters("eden", 0, _max_eden_size, _eden_space,
--- a/hotspot/src/share/vm/memory/filemap.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/memory/filemap.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -445,7 +445,7 @@
       // close and remove the file. See bug 6372906.
       close();
       remove(_full_path);
-      fail_stop("Unable to write to shared archive file.", NULL);
+      fail_stop("Unable to write to shared archive file.");
     }
   }
   _file_offset += nbytes;
@@ -463,7 +463,7 @@
       // that the written file is the correct length.
       _file_offset -= 1;
       if (lseek(_fd, _file_offset, SEEK_SET) < 0) {
-        fail_stop("Unable to seek.", NULL);
+        fail_stop("Unable to seek.");
       }
       char zero = 0;
       write_bytes(&zero, 1);
@@ -534,7 +534,7 @@
   // other reserved memory (like the code cache).
   ReservedSpace rs(size, os::vm_allocation_granularity(), false, requested_addr);
   if (!rs.is_reserved()) {
-    fail_continue(err_msg("Unable to reserve shared space at required address " INTPTR_FORMAT, requested_addr));
+    fail_continue("Unable to reserve shared space at required address " INTPTR_FORMAT, requested_addr);
     return rs;
   }
   // the reserved virtual memory is for mapping class data sharing archive
@@ -558,7 +558,7 @@
                               requested_addr, size, si->_read_only,
                               si->_allow_exec);
   if (base == NULL || base != si->_base) {
-    fail_continue(err_msg("Unable to map %s shared space at required address.", shared_region_name[i]));
+    fail_continue("Unable to map %s shared space at required address.", shared_region_name[i]);
     return NULL;
   }
 #ifdef _WINDOWS
@@ -584,7 +584,7 @@
 
 void FileMapInfo::assert_mark(bool check) {
   if (!check) {
-    fail_stop("Mark mismatch while restoring from shared file.", NULL);
+    fail_stop("Mark mismatch while restoring from shared file.");
   }
 }
 
@@ -709,7 +709,7 @@
 void FileMapInfo::stop_sharing_and_unmap(const char* msg) {
   FileMapInfo *map_info = FileMapInfo::current_info();
   if (map_info) {
-    map_info->fail_continue(msg);
+    map_info->fail_continue("%s", msg);
     for (int i = 0; i < MetaspaceShared::n_regions; i++) {
       if (map_info->_header->_space[i]._base != NULL) {
         map_info->unmap_region(i);
@@ -717,6 +717,6 @@
       }
     }
   } else if (DumpSharedSpaces) {
-    fail_stop(msg, NULL);
+    fail_stop("%s", msg);
   }
 }
--- a/hotspot/src/share/vm/memory/filemap.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/memory/filemap.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -190,8 +190,8 @@
   bool  remap_shared_readonly_as_readwrite();
 
   // Errors.
-  static void fail_stop(const char *msg, ...);
-  static void fail_continue(const char *msg, ...);
+  static void fail_stop(const char *msg, ...) ATTRIBUTE_PRINTF(1, 2);
+  static void fail_continue(const char *msg, ...) ATTRIBUTE_PRINTF(1, 2);
 
   // Return true if given address is in the mapped shared space.
   bool is_in_shared_space(const void* p) NOT_CDS_RETURN_(false);
--- a/hotspot/src/share/vm/memory/metaspace.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/memory/metaspace.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -3126,6 +3126,8 @@
 
   if (DumpSharedSpaces) {
 #if INCLUDE_CDS
+    MetaspaceShared::estimate_regions_size();
+
     SharedReadOnlySize  = align_size_up(SharedReadOnlySize,  max_alignment);
     SharedReadWriteSize = align_size_up(SharedReadWriteSize, max_alignment);
     SharedMiscDataSize  = align_size_up(SharedMiscDataSize,  max_alignment);
--- a/hotspot/src/share/vm/memory/metaspaceShared.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/memory/metaspaceShared.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -816,6 +816,7 @@
         //tty->print_cr("Preload failed: %s", class_name);
       }
     }
+    fclose(file);
   } else {
     char errmsg[JVM_MAXPATHLEN];
     os::lasterror(errmsg, JVM_MAXPATHLEN);
@@ -1086,3 +1087,49 @@
   }
   return true;
 }
+
+int MetaspaceShared::count_class(const char* classlist_file) {
+  if (classlist_file == NULL) {
+    return 0;
+  }
+  char class_name[256];
+  int class_count = 0;
+  FILE* file = fopen(classlist_file, "r");
+  if (file != NULL) {
+    while ((fgets(class_name, sizeof class_name, file)) != NULL) {
+      if (*class_name == '#') { // comment
+        continue;
+      }
+      class_count++;
+    }
+    fclose(file);
+  } else {
+    char errmsg[JVM_MAXPATHLEN];
+    os::lasterror(errmsg, JVM_MAXPATHLEN);
+    tty->print_cr("Loading classlist failed: %s", errmsg);
+    exit(1);
+  }
+
+  return class_count;
+}
+
+// the sizes are good for typical large applications that have a lot of shared
+// classes
+void MetaspaceShared::estimate_regions_size() {
+  int class_count = count_class(SharedClassListFile);
+  class_count += count_class(ExtraSharedClassListFile);
+
+  if (class_count > LargeThresholdClassCount) {
+    if (class_count < HugeThresholdClassCount) {
+      SET_ESTIMATED_SIZE(Large, ReadOnly);
+      SET_ESTIMATED_SIZE(Large, ReadWrite);
+      SET_ESTIMATED_SIZE(Large, MiscData);
+      SET_ESTIMATED_SIZE(Large, MiscCode);
+    } else {
+      SET_ESTIMATED_SIZE(Huge,  ReadOnly);
+      SET_ESTIMATED_SIZE(Huge,  ReadWrite);
+      SET_ESTIMATED_SIZE(Huge,  MiscData);
+      SET_ESTIMATED_SIZE(Huge,  MiscCode);
+    }
+  }
+}
--- a/hotspot/src/share/vm/memory/metaspaceShared.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/memory/metaspaceShared.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -30,6 +30,19 @@
 #include "utilities/exceptions.hpp"
 #include "utilities/macros.hpp"
 
+#define LargeSharedArchiveSize    (300*M)
+#define HugeSharedArchiveSize     (800*M)
+#define ReadOnlyRegionPercentage  0.4
+#define ReadWriteRegionPercentage 0.55
+#define MiscDataRegionPercentage  0.03
+#define MiscCodeRegionPercentage  0.02
+#define LargeThresholdClassCount  5000
+#define HugeThresholdClassCount   40000
+
+#define SET_ESTIMATED_SIZE(type, region)                              \
+  Shared ##region## Size  = FLAG_IS_DEFAULT(Shared ##region## Size) ? \
+    (type ## SharedArchiveSize *  region ## RegionPercentage) : Shared ## region ## Size
+
 class FileMapInfo;
 
 // Class Data Sharing Support
@@ -112,5 +125,8 @@
   static void link_one_shared_class(Klass* obj, TRAPS);
   static void check_one_shared_class(Klass* obj);
   static void link_and_cleanup_shared_classes(TRAPS);
+
+  static int count_class(const char* classlist_file);
+  static void estimate_regions_size() NOT_CDS_RETURN;
 };
 #endif // SHARE_VM_MEMORY_METASPACE_SHARED_HPP
--- a/hotspot/src/share/vm/memory/tenuredGeneration.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/memory/tenuredGeneration.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -53,9 +53,11 @@
   // initialize performance counters
 
   const char* gen_name = "old";
+  GenCollectorPolicy* gcp = (GenCollectorPolicy*) GenCollectedHeap::heap()->collector_policy();
 
   // Generation Counters -- generation 1, 1 subspace
-  _gen_counters = new GenerationCounters(gen_name, 1, 1, &_virtual_space);
+  _gen_counters = new GenerationCounters(gen_name, 1, 1,
+      gcp->min_old_size(), gcp->max_old_size(), &_virtual_space);
 
   _gc_counters = new CollectorCounters("MSC", 1);
 
--- a/hotspot/src/share/vm/opto/type.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/opto/type.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -1708,8 +1708,8 @@
 // Make a TypeTuple from the range of a method signature
 const TypeTuple *TypeTuple::make_range(ciSignature* sig) {
   ciType* return_type = sig->return_type();
-  uint total_fields = TypeFunc::Parms + return_type->size();
-  const Type **field_array = fields(total_fields);
+  uint arg_cnt = return_type->size();
+  const Type **field_array = fields(arg_cnt);
   switch (return_type->basic_type()) {
   case T_LONG:
     field_array[TypeFunc::Parms]   = TypeLong::LONG;
@@ -1734,26 +1734,26 @@
   default:
     ShouldNotReachHere();
   }
-  return (TypeTuple*)(new TypeTuple(total_fields,field_array))->hashcons();
+  return (TypeTuple*)(new TypeTuple(TypeFunc::Parms + arg_cnt, field_array))->hashcons();
 }
 
 // Make a TypeTuple from the domain of a method signature
 const TypeTuple *TypeTuple::make_domain(ciInstanceKlass* recv, ciSignature* sig) {
-  uint total_fields = TypeFunc::Parms + sig->size();
+  uint arg_cnt = sig->size();
 
   uint pos = TypeFunc::Parms;
   const Type **field_array;
   if (recv != NULL) {
-    total_fields++;
-    field_array = fields(total_fields);
+    arg_cnt++;
+    field_array = fields(arg_cnt);
     // Use get_const_type here because it respects UseUniqueSubclasses:
     field_array[pos++] = get_const_type(recv)->join_speculative(TypePtr::NOTNULL);
   } else {
-    field_array = fields(total_fields);
+    field_array = fields(arg_cnt);
   }
 
   int i = 0;
-  while (pos < total_fields) {
+  while (pos < TypeFunc::Parms + arg_cnt) {
     ciType* type = sig->type_at(i);
 
     switch (type->basic_type()) {
@@ -1780,7 +1780,8 @@
     }
     i++;
   }
-  return (TypeTuple*)(new TypeTuple(total_fields,field_array))->hashcons();
+
+  return (TypeTuple*)(new TypeTuple(TypeFunc::Parms + arg_cnt, field_array))->hashcons();
 }
 
 const TypeTuple *TypeTuple::make( uint cnt, const Type **fields ) {
@@ -1789,6 +1790,7 @@
 
 //------------------------------fields-----------------------------------------
 // Subroutine call type with space allocated for argument types
+// Memory for Control, I_O, Memory, FramePtr, and ReturnAdr is allocated implicitly
 const Type **TypeTuple::fields( uint arg_cnt ) {
   const Type **flds = (const Type **)(Compile::current()->type_arena()->Amalloc_4((TypeFunc::Parms+arg_cnt)*sizeof(Type*) ));
   flds[TypeFunc::Control  ] = Type::CONTROL;
--- a/hotspot/src/share/vm/opto/type.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/opto/type.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2014, 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
@@ -635,6 +635,7 @@
   static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig);
 
   // Subroutine call type with space allocated for argument types
+  // Memory for Control, I_O, Memory, FramePtr, and ReturnAdr is allocated implicitly
   static const Type **fields( uint arg_cnt );
 
   virtual const Type *xmeet( const Type *t ) const;
--- a/hotspot/src/share/vm/runtime/java.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/runtime/java.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -430,6 +430,8 @@
   }
 }
 
+jint volatile vm_getting_terminated = 0;
+
 // Note: before_exit() can be executed only once, if more than one threads
 //       are trying to shutdown the VM at the same time, only one thread
 //       can run before_exit() and all other threads must wait.
@@ -460,6 +462,8 @@
     }
   }
 
+  OrderAccess::release_store(&vm_getting_terminated, 1);
+
   // The only difference between this and Win32's _onexit procs is that
   // this version is invoked before any threads get killed.
   ExitProc* current = exit_procs;
--- a/hotspot/src/share/vm/services/mallocTracker.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/services/mallocTracker.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -171,8 +171,9 @@
   // Total malloc'd memory used by arenas
   size_t total_arena() const;
 
-  inline size_t thread_count() {
-    return by_type(mtThreadStack)->malloc_count();
+  inline size_t thread_count() const {
+    MallocMemorySnapshot* s = const_cast<MallocMemorySnapshot*>(this);
+    return s->by_type(mtThreadStack)->malloc_count();
   }
 
   void reset();
--- a/hotspot/src/share/vm/services/memBaseline.cpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/services/memBaseline.cpp	Fri Aug 29 08:07:13 2014 -0700
@@ -70,15 +70,13 @@
  */
 class MallocAllocationSiteWalker : public MallocSiteWalker {
  private:
-  SortedLinkedList<MallocSite, compare_malloc_size, ResourceObj::ARENA>
-                 _malloc_sites;
+  SortedLinkedList<MallocSite, compare_malloc_size> _malloc_sites;
   size_t         _count;
 
   // Entries in MallocSiteTable with size = 0 and count = 0,
   // when the malloc site is not longer there.
  public:
-  MallocAllocationSiteWalker(Arena* arena) : _count(0), _malloc_sites(arena) {
-  }
+  MallocAllocationSiteWalker() : _count(0) { }
 
   inline size_t count() const { return _count; }
 
@@ -109,13 +107,12 @@
 // Walk all virtual memory regions for baselining
 class VirtualMemoryAllocationWalker : public VirtualMemoryWalker {
  private:
-  SortedLinkedList<ReservedMemoryRegion, compare_virtual_memory_base, ResourceObj::ARENA>
+  SortedLinkedList<ReservedMemoryRegion, compare_virtual_memory_base>
                 _virtual_memory_regions;
   size_t        _count;
 
  public:
-  VirtualMemoryAllocationWalker(Arena* a) : _count(0), _virtual_memory_regions(a) {
-  }
+  VirtualMemoryAllocationWalker() : _count(0) { }
 
   bool do_allocation_site(const ReservedMemoryRegion* rgn)  {
     if (rgn->size() >= MemBaseline::SIZE_THRESHOLD) {
@@ -136,39 +133,30 @@
 
 
 bool MemBaseline::baseline_summary() {
-  assert(_malloc_memory_snapshot == NULL, "Malloc baseline not yet reset");
-  assert(_virtual_memory_snapshot == NULL, "Virtual baseline not yet reset");
-
-  _malloc_memory_snapshot =  new (arena()) MallocMemorySnapshot();
-  _virtual_memory_snapshot = new (arena()) VirtualMemorySnapshot();
-  if (_malloc_memory_snapshot == NULL || _virtual_memory_snapshot == NULL) {
-    return false;
-  }
-  MallocMemorySummary::snapshot(_malloc_memory_snapshot);
-  VirtualMemorySummary::snapshot(_virtual_memory_snapshot);
+  MallocMemorySummary::snapshot(&_malloc_memory_snapshot);
+  VirtualMemorySummary::snapshot(&_virtual_memory_snapshot);
   return true;
 }
 
 bool MemBaseline::baseline_allocation_sites() {
-  assert(arena() != NULL, "Just check");
   // Malloc allocation sites
-  MallocAllocationSiteWalker malloc_walker(arena());
+  MallocAllocationSiteWalker malloc_walker;
   if (!MallocSiteTable::walk_malloc_site(&malloc_walker)) {
     return false;
   }
 
-  _malloc_sites.set_head(malloc_walker.malloc_sites()->head());
+  _malloc_sites.move(malloc_walker.malloc_sites());
   // The malloc sites are collected in size order
   _malloc_sites_order = by_size;
 
   // Virtual memory allocation sites
-  VirtualMemoryAllocationWalker virtual_memory_walker(arena());
+  VirtualMemoryAllocationWalker virtual_memory_walker;
   if (!VirtualMemoryTracker::walk_virtual_memory(&virtual_memory_walker)) {
     return false;
   }
 
   // Virtual memory allocations are collected in call stack order
-  _virtual_memory_allocations.set_head(virtual_memory_walker.virtual_memory_allocations()->head());
+  _virtual_memory_allocations.move(virtual_memory_walker.virtual_memory_allocations());
 
   if (!aggregate_virtual_memory_allocation_sites()) {
     return false;
@@ -180,11 +168,6 @@
 }
 
 bool MemBaseline::baseline(bool summaryOnly) {
-  if (arena() == NULL) {
-    _arena = new (std::nothrow, mtNMT) Arena(mtNMT);
-    if (arena() == NULL) return false;
-  }
-
   reset();
 
   _class_count = InstanceKlass::number_of_instance_classes();
@@ -211,8 +194,7 @@
 }
 
 bool MemBaseline::aggregate_virtual_memory_allocation_sites() {
-  SortedLinkedList<VirtualMemoryAllocationSite, compare_allocation_site, ResourceObj::ARENA>
-    allocation_sites(arena());
+  SortedLinkedList<VirtualMemoryAllocationSite, compare_allocation_site> allocation_sites;
 
   VirtualMemoryAllocationIterator itr = virtual_memory_allocations();
   const ReservedMemoryRegion* rgn;
@@ -230,12 +212,12 @@
     site->commit_memory(rgn->committed_size());
   }
 
-  _virtual_memory_sites.set_head(allocation_sites.head());
+  _virtual_memory_sites.move(&allocation_sites);
   return true;
 }
 
 MallocSiteIterator MemBaseline::malloc_sites(SortingOrder order) {
-  assert(!_malloc_sites.is_empty(), "Detail baseline?");
+  assert(!_malloc_sites.is_empty(), "Not detail baseline");
   switch(order) {
     case by_size:
       malloc_sites_to_size_order();
@@ -251,7 +233,7 @@
 }
 
 VirtualMemorySiteIterator MemBaseline::virtual_memory_sites(SortingOrder order) {
-  assert(!_virtual_memory_sites.is_empty(), "Detail baseline?");
+  assert(!_virtual_memory_sites.is_empty(), "Not detail baseline");
   switch(order) {
     case by_size:
       virtual_memory_sites_to_size_order();
@@ -270,8 +252,7 @@
 // Sorting allocations sites in different orders
 void MemBaseline::malloc_sites_to_size_order() {
   if (_malloc_sites_order != by_size) {
-    SortedLinkedList<MallocSite, compare_malloc_size, ResourceObj::ARENA>
-      tmp(arena());
+    SortedLinkedList<MallocSite, compare_malloc_size> tmp;
 
     // Add malloc sites to sorted linked list to sort into size order
     tmp.move(&_malloc_sites);
@@ -283,8 +264,7 @@
 
 void MemBaseline::malloc_sites_to_allocation_site_order() {
   if (_malloc_sites_order != by_site) {
-    SortedLinkedList<MallocSite, compare_malloc_site, ResourceObj::ARENA>
-      tmp(arena());
+    SortedLinkedList<MallocSite, compare_malloc_site> tmp;
     // Add malloc sites to sorted linked list to sort into site (address) order
     tmp.move(&_malloc_sites);
     _malloc_sites.set_head(tmp.head());
@@ -295,8 +275,7 @@
 
 void MemBaseline::virtual_memory_sites_to_size_order() {
   if (_virtual_memory_sites_order != by_size) {
-    SortedLinkedList<VirtualMemoryAllocationSite, compare_virtual_memory_size, ResourceObj::ARENA>
-      tmp(arena());
+    SortedLinkedList<VirtualMemoryAllocationSite, compare_virtual_memory_size> tmp;
 
     tmp.move(&_virtual_memory_sites);
 
@@ -308,10 +287,9 @@
 
 void MemBaseline::virtual_memory_sites_to_reservation_site_order() {
   if (_virtual_memory_sites_order != by_size) {
-    SortedLinkedList<VirtualMemoryAllocationSite, compare_virtual_memory_site, ResourceObj::ARENA>
-      tmp(arena());
+    SortedLinkedList<VirtualMemoryAllocationSite, compare_virtual_memory_site> tmp;
 
-    tmp.add(&_virtual_memory_sites);
+    tmp.move(&_virtual_memory_sites);
 
     _virtual_memory_sites.set_head(tmp.head());
     tmp.set_head(NULL);
--- a/hotspot/src/share/vm/services/memBaseline.hpp	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/src/share/vm/services/memBaseline.hpp	Fri Aug 29 08:07:13 2014 -0700
@@ -61,28 +61,22 @@
   };
 
  private:
-  // All baseline data is stored in this arena
-  Arena*                  _arena;
-
   // Summary information
-  MallocMemorySnapshot*   _malloc_memory_snapshot;
-  VirtualMemorySnapshot*  _virtual_memory_snapshot;
+  MallocMemorySnapshot   _malloc_memory_snapshot;
+  VirtualMemorySnapshot  _virtual_memory_snapshot;
 
   size_t               _class_count;
 
   // Allocation sites information
   // Malloc allocation sites
-  LinkedListImpl<MallocSite, ResourceObj::ARENA>
-                       _malloc_sites;
+  LinkedListImpl<MallocSite>                  _malloc_sites;
 
   // All virtual memory allocations
-  LinkedListImpl<ReservedMemoryRegion, ResourceObj::ARENA>
-                       _virtual_memory_allocations;
+  LinkedListImpl<ReservedMemoryRegion>        _virtual_memory_allocations;
 
   // Virtual memory allocations by allocation sites, always in by_address
   // order
-  LinkedListImpl<VirtualMemoryAllocationSite, ResourceObj::ARENA>
-                       _virtual_memory_sites;
+  LinkedListImpl<VirtualMemoryAllocationSite> _virtual_memory_sites;
 
   SortingOrder         _malloc_sites_order;
   SortingOrder         _virtual_memory_sites_order;
@@ -93,30 +87,23 @@
   // create a memory baseline
   MemBaseline():
     _baseline_type(Not_baselined),
-    _class_count(0),
-    _arena(NULL),
-    _malloc_memory_snapshot(NULL),
-    _virtual_memory_snapshot(NULL),
-    _malloc_sites(NULL) {
+    _class_count(0) {
   }
 
   ~MemBaseline() {
     reset();
-    if (_arena != NULL) {
-      delete _arena;
-    }
   }
 
   bool baseline(bool summaryOnly = true);
 
   BaselineType baseline_type() const { return _baseline_type; }
 
-  MallocMemorySnapshot* malloc_memory_snapshot() const {
-    return _malloc_memory_snapshot;
+  MallocMemorySnapshot* malloc_memory_snapshot() {
+    return &_malloc_memory_snapshot;
   }
 
-  VirtualMemorySnapshot* virtual_memory_snapshot() const {
-    return _virtual_memory_snapshot;
+  VirtualMemorySnapshot* virtual_memory_snapshot() {
+    return &_virtual_memory_snapshot;
   }
 
   MallocSiteIterator malloc_sites(SortingOrder order);
@@ -133,10 +120,8 @@
   // memory
   size_t total_reserved_memory() const {
     assert(baseline_type() != Not_baselined, "Not yet baselined");
-    assert(_virtual_memory_snapshot != NULL, "No virtual memory snapshot");
-    assert(_malloc_memory_snapshot != NULL,  "No malloc memory snapshot");
-    size_t amount = _malloc_memory_snapshot->total() +
-           _virtual_memory_snapshot->total_reserved();
+    size_t amount = _malloc_memory_snapshot.total() +
+           _virtual_memory_snapshot.total_reserved();
     return amount;
   }
 
@@ -144,32 +129,30 @@
   // virtual memory
   size_t total_committed_memory() const {
     assert(baseline_type() != Not_baselined, "Not yet baselined");
-    assert(_virtual_memory_snapshot != NULL,
-      "Not a snapshot");
-    size_t amount = _malloc_memory_snapshot->total() +
-           _virtual_memory_snapshot->total_committed();
+    size_t amount = _malloc_memory_snapshot.total() +
+           _virtual_memory_snapshot.total_committed();
     return amount;
   }
 
   size_t total_arena_memory() const {
     assert(baseline_type() != Not_baselined, "Not yet baselined");
-    assert(_malloc_memory_snapshot != NULL, "Not yet baselined");
-    return _malloc_memory_snapshot->total_arena();
+    return _malloc_memory_snapshot.total_arena();
   }
 
   size_t malloc_tracking_overhead() const {
     assert(baseline_type() != Not_baselined, "Not yet baselined");
-    return _malloc_memory_snapshot->malloc_overhead()->size();
+    MemBaseline* bl = const_cast<MemBaseline*>(this);
+    return bl->_malloc_memory_snapshot.malloc_overhead()->size();
   }
 
-  const MallocMemory* malloc_memory(MEMFLAGS flag) const {
-    assert(_malloc_memory_snapshot != NULL, "Not a snapshot");
-    return _malloc_memory_snapshot->by_type(flag);
+  MallocMemory* malloc_memory(MEMFLAGS flag) {
+    assert(baseline_type() != Not_baselined, "Not yet baselined");
+    return _malloc_memory_snapshot.by_type(flag);
   }
 
-  const VirtualMemory* virtual_memory(MEMFLAGS flag) const {
-    assert(_virtual_memory_snapshot != NULL, "Not a snapshot");
-    return _virtual_memory_snapshot->by_type(flag);
+  VirtualMemory* virtual_memory(MEMFLAGS flag) {
+    assert(baseline_type() != Not_baselined, "Not yet baselined");
+    return _virtual_memory_snapshot.by_type(flag);
   }
 
 
@@ -180,24 +163,19 @@
 
   size_t thread_count() const {
     assert(baseline_type() != Not_baselined, "Not yet baselined");
-    assert(_malloc_memory_snapshot != NULL, "Baselined?");
-    return _malloc_memory_snapshot->thread_count();
+    return _malloc_memory_snapshot.thread_count();
   }
 
   // reset the baseline for reuse
   void reset() {
     _baseline_type = Not_baselined;
-    _malloc_memory_snapshot = NULL;
-    _virtual_memory_snapshot = NULL;
+    _malloc_memory_snapshot.reset();
+    _virtual_memory_snapshot.reset();
     _class_count  = 0;
 
-    _malloc_sites = NULL;
-    _virtual_memory_sites = NULL;
-    _virtual_memory_allocations = NULL;
-
-    if (_arena != NULL) {
-      _arena->destruct_contents();
-    }
+    _malloc_sites.clear();
+    _virtual_memory_sites.clear();
+    _virtual_memory_allocations.clear();
   }
 
  private:
@@ -210,8 +188,6 @@
   // Aggregate virtual memory allocation by allocation sites
   bool aggregate_virtual_memory_allocation_sites();
 
-  Arena* arena() { return _arena; }
-
   // Sorting allocation sites in different orders
   // Sort allocation sites in size order
   void malloc_sites_to_size_order();
--- a/hotspot/test/compiler/classUnloading/anonymousClass/TestAnonymousClassUnloading.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/compiler/classUnloading/anonymousClass/TestAnonymousClassUnloading.java	Fri Aug 29 08:07:13 2014 -0700
@@ -35,7 +35,9 @@
  * @summary "Tests unloading of anonymous classes."
  * @library /testlibrary /testlibrary/whitebox
  * @compile TestAnonymousClassUnloading.java
- * @run main ClassFileInstaller TestAnonymousClassUnloading sun.hotspot.WhiteBox
+ * @run main ClassFileInstaller TestAnonymousClassUnloading
+ *                              sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-BackgroundCompilation TestAnonymousClassUnloading
  */
 public class TestAnonymousClassUnloading {
--- a/hotspot/test/compiler/classUnloading/methodUnloading/TestMethodUnloading.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/compiler/classUnloading/methodUnloading/TestMethodUnloading.java	Fri Aug 29 08:07:13 2014 -0700
@@ -36,7 +36,7 @@
  * @build WorkerClass
  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
- * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-BackgroundCompilation -XX:-UseCompressedOops -XX:+UseParallelGC -XX:CompileOnly=TestMethodUnloading::doWork TestMethodUnloading
+ * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-BackgroundCompilation -XX:-UseCompressedOops -XX:CompileOnly=TestMethodUnloading::doWork TestMethodUnloading
  */
 public class TestMethodUnloading {
     private static final String workerClassName = "WorkerClass";
--- a/hotspot/test/compiler/rtm/cli/TestPrintPreciseRTMLockingStatisticsOptionOnSupportedConfig.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/compiler/rtm/cli/TestPrintPreciseRTMLockingStatisticsOptionOnSupportedConfig.java	Fri Aug 29 08:07:13 2014 -0700
@@ -54,16 +54,19 @@
         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
                 TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE,
                 CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                 "-XX:+UseRTMLocking");
 
         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
                 TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE,
                 CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                 "-XX:-UseRTMLocking", prepareOptionValue("true"));
 
         // verify that option could be turned on
         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "true",
                 CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                 "-XX:+UseRTMLocking", prepareOptionValue("true"));
     }
 
--- a/hotspot/test/compiler/rtm/cli/TestUseRTMDeoptOptionOnSupportedConfig.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/compiler/rtm/cli/TestUseRTMDeoptOptionOnSupportedConfig.java	Fri Aug 29 08:07:13 2014 -0700
@@ -63,13 +63,16 @@
         // verify default value
         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
                 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                 "-XX:+UseRTMLocking");
         // verify that option is off when UseRTMLocking is off
-        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
-                "false", "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");
+        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "false",
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
+                "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");
         // verify that option could be turned on
-        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
-                "true", "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");
+        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true",
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
+                "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");
     }
 
     public static void main(String args[]) throws Throwable {
--- a/hotspot/test/compiler/rtm/cli/TestUseRTMLockingOptionOnSupportedConfig.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/compiler/rtm/cli/TestUseRTMLockingOptionOnSupportedConfig.java	Fri Aug 29 08:07:13 2014 -0700
@@ -59,24 +59,31 @@
                 new String[]{
                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
                         unrecongnizedOption
-                }, ExitCode.OK, "-XX:+UseRTMLocking"
+                }, ExitCode.OK,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
+                "-XX:+UseRTMLocking"
         );
 
         CommandLineOptionTest.verifySameJVMStartup(null,
                 new String[]{
                         RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
                         unrecongnizedOption
-                }, ExitCode.OK, "-XX:-UseRTMLocking"
+                }, ExitCode.OK,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
+                "-XX:-UseRTMLocking"
         );
         // verify that UseRTMLocking is of by default
         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
-                TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE);
+                TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
         // verify that we can change UseRTMLocking value
         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
                 TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                 "-XX:-UseRTMLocking");
         CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
-                "true", "-XX:+UseRTMLocking");
+                "true", CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
+                "-XX:+UseRTMLocking");
     }
 
     public static void main(String args[]) throws Throwable {
--- a/hotspot/test/compiler/rtm/cli/TestUseRTMLockingOptionWithBiasedLocking.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/compiler/rtm/cli/TestUseRTMLockingOptionWithBiasedLocking.java	Fri Aug 29 08:07:13 2014 -0700
@@ -54,18 +54,22 @@
         // verify that we will not get a warning
         CommandLineOptionTest.verifySameJVMStartup(null,
                 new String[] { warningMessage }, ExitCode.OK,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                 "-XX:+UseRTMLocking", "-XX:-UseBiasedLocking");
         // verify that we will get a warning
         CommandLineOptionTest.verifySameJVMStartup(
                 new String[] { warningMessage }, null, ExitCode.OK,
+                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
                 "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");
         // verify that UseBiasedLocking is false when we use rtm locking
         CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",
-                "false", "-XX:+UseRTMLocking");
+                "false", CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
+                "-XX:+UseRTMLocking");
         // verify that we can't turn on biased locking when
         // using rtm locking
         CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",
-                "false", "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");
+                "false", CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
+                "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");
     }
 
     public static void main(String args[]) throws Throwable {
--- a/hotspot/test/runtime/CompressedOops/CompressedClassPointers.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/runtime/CompressedOops/CompressedClassPointers.java	Fri Aug 29 08:07:13 2014 -0700
@@ -26,7 +26,6 @@
  * @bug 8024927
  * @summary Testing address of compressed class pointer space as best as possible.
  * @library /testlibrary
- * @ignore 8055164
  */
 
 import com.oracle.java.testlibrary.*;
@@ -89,7 +88,6 @@
             "-version");
         OutputAnalyzer output = new OutputAnalyzer(pb.start());
         output.shouldContain("HeapBaseMinAddress must be at least");
-        output.shouldContain("HotSpot");
         output.shouldHaveExitValue(0);
     }
 
--- a/hotspot/test/runtime/NMT/CommandLineEmptyArgument.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/runtime/NMT/CommandLineEmptyArgument.java	Fri Aug 29 08:07:13 2014 -0700
@@ -26,7 +26,6 @@
  * @key nmt
  * @summary Empty argument to NMT should result in an informative error message
  * @library /testlibrary
- * @ignore 8055051
  */
 
 import com.oracle.java.testlibrary.*;
--- a/hotspot/test/runtime/NMT/JcmdDetailDiff.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/runtime/NMT/JcmdDetailDiff.java	Fri Aug 29 08:07:13 2014 -0700
@@ -62,21 +62,18 @@
 
         output = new OutputAnalyzer(pb.start());
         output.shouldContain("Test (reserved=256KB +256KB, committed=0KB)");
-        output.shouldContain("WB_NMTReserveMemory");
 
         wb.NMTCommitMemory(addr, commitSize);
         pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail.diff", "scale=KB"});
 
         output = new OutputAnalyzer(pb.start());
         output.shouldContain("Test (reserved=256KB +256KB, committed=128KB +128KB)");
-        output.shouldContain("WB_NMTReserveMemory");
 
         wb.NMTUncommitMemory(addr, commitSize);
         pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail.diff", "scale=KB"});
 
         output = new OutputAnalyzer(pb.start());
         output.shouldContain("Test (reserved=256KB +256KB, committed=0KB)");
-        output.shouldContain("WB_NMTReserveMemory");
 
         wb.NMTReleaseMemory(addr, reserveSize);
         pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail.diff", "scale=KB"});
--- a/hotspot/test/runtime/NMT/MallocSiteHashOverflow.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/runtime/NMT/MallocSiteHashOverflow.java	Fri Aug 29 08:07:13 2014 -0700
@@ -22,10 +22,9 @@
  */
 
 /*
- * @key stress
  * @test
  * @summary Test corner case that overflows malloc site hashtable bucket
- * @key nmt jcmd
+ * @key nmt jcmd stress
  * @library /testlibrary /testlibrary/whitebox
  * @ignore - This test is disabled since it will stress NMT and timeout during normal testing
  * @build MallocSiteHashOverflow
--- a/hotspot/test/runtime/NMT/MallocStressTest.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/runtime/NMT/MallocStressTest.java	Fri Aug 29 08:07:13 2014 -0700
@@ -22,10 +22,9 @@
  */
 
 /*
- * @key stress
  * @test
  * @summary Stress test for malloc tracking
- * @key nmt jcmd
+ * @key nmt jcmd stress
  * @library /testlibrary /testlibrary/whitebox
  * @build MallocStressTest
  * @ignore - This test is disabled since it will stress NMT and timeout during normal testing
--- a/hotspot/test/runtime/NMT/NMTWithCDS.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/runtime/NMT/NMTWithCDS.java	Fri Aug 29 08:07:13 2014 -0700
@@ -34,14 +34,15 @@
 
   public static void main(String[] args) throws Exception {
     ProcessBuilder pb;
-    pb = ProcessTools.createJavaProcessBuilder("-XX:SharedArchiveFile=./sample.jsa", "-Xshare:dump");
+    pb = ProcessTools.createJavaProcessBuilder(
+        "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:dump");
     OutputAnalyzer output = new OutputAnalyzer(pb.start());
     try {
       output.shouldContain("Loading classes to share");
       output.shouldHaveExitValue(0);
 
       pb = ProcessTools.createJavaProcessBuilder(
-        "-XX:NativeMemoryTracking=detail", "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:on", "-version");
+        "-XX:+UnlockDiagnosticVMOptions", "-XX:NativeMemoryTracking=detail", "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:on", "-version");
       output = new OutputAnalyzer(pb.start());
       output.shouldContain("sharing");
       output.shouldHaveExitValue(0);
--- a/hotspot/test/runtime/NMT/VirtualAllocCommitUncommitRecommit.java	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/runtime/NMT/VirtualAllocCommitUncommitRecommit.java	Fri Aug 29 08:07:13 2014 -0700
@@ -26,7 +26,6 @@
  * @summary Test reserve/commit/uncommit/release of virtual memory and that we track it correctly
  * @key nmt jcmd
  * @library /testlibrary /testlibrary/whitebox
- * @ignore
  * @build VirtualAllocCommitUncommitRecommit
  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocCommitUncommitRecommit
@@ -43,8 +42,8 @@
 
     public static void main(String args[]) throws Exception {
         OutputAnalyzer output;
-        long commitSize = 4 * 1024; // 4KB
-        long reserveSize = 1024 * 1024; // 1024KB
+        long commitSize = 128 * 1024; // 128KB
+        long reserveSize = 4 * 1024 * 1024; // 4096KB
         long addr;
 
         String pid = Integer.toString(ProcessTools.getProcessId());
@@ -63,11 +62,11 @@
                 "VM.native_memory", "detail" });
 
         output = new OutputAnalyzer(pb.start());
-        output.shouldContain("Test (reserved=1024KB, committed=0KB)");
+        output.shouldContain("Test (reserved=4096KB, committed=0KB)");
         if (has_nmt_detail) {
             output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
                     + Long.toHexString(addr + reserveSize)
-                    + "\\] reserved 1024KB for Test");
+                    + "\\] reserved 4096KB for Test");
         }
 
         long addrA = addr;
@@ -84,24 +83,24 @@
         wb.NMTCommitMemory(addrD, commitSize);
 
         output = new OutputAnalyzer(pb.start());
-        output.shouldContain("Test (reserved=1024KB, committed=16KB)");
+        output.shouldContain("Test (reserved=4096KB, committed=512KB)");
 
         if (has_nmt_detail) {
             output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
                     + Long.toHexString(addr + reserveSize)
-                    + "\\] reserved 1024KB for Test");
+                    + "\\] reserved 4096KB for Test");
         }
         // uncommit BC
         wb.NMTUncommitMemory(addrB, commitSize);
         wb.NMTUncommitMemory(addrC, commitSize);
 
         output = new OutputAnalyzer(pb.start());
-        output.shouldContain("Test (reserved=1024KB, committed=8KB)");
+        output.shouldContain("Test (reserved=4096KB, committed=256KB)");
 
         if (has_nmt_detail) {
             output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
                     + Long.toHexString(addr + reserveSize)
-                    + "\\] reserved 1024KB for Test");
+                    + "\\] reserved 4096KB for Test");
         }
 
         // commit EF
@@ -109,22 +108,22 @@
         wb.NMTCommitMemory(addrF, commitSize);
 
         output = new OutputAnalyzer(pb.start());
-        output.shouldContain("Test (reserved=1024KB, committed=16KB)");
+        output.shouldContain("Test (reserved=4096KB, committed=512KB)");
         if (has_nmt_detail) {
             output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
                     + Long.toHexString(addr + reserveSize)
-                    + "\\] reserved 1024KB for Test");
+                    + "\\] reserved 4096KB for Test");
         }
 
         // uncommit A
         wb.NMTUncommitMemory(addrA, commitSize);
 
         output = new OutputAnalyzer(pb.start());
-        output.shouldContain("Test (reserved=1024KB, committed=12KB)");
+        output.shouldContain("Test (reserved=4096KB, committed=384KB)");
         if (has_nmt_detail) {
             output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
                     + Long.toHexString(addr + reserveSize)
-                    + "\\] reserved 1024KB for Test");
+                    + "\\] reserved 4096KB for Test");
         }
 
         // commit ABC
@@ -133,11 +132,11 @@
         wb.NMTCommitMemory(addrC, commitSize);
 
         output = new OutputAnalyzer(pb.start());
-        output.shouldContain("Test (reserved=1024KB, committed=24KB)");
+        output.shouldContain("Test (reserved=4096KB, committed=768KB)");
         if (has_nmt_detail) {
             output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
                     + Long.toHexString(addr + reserveSize)
-                    + "\\] reserved 1024KB for Test");
+                    + "\\] reserved 4096KB for Test");
         }
 
         // uncommit ABCDEF
@@ -149,11 +148,11 @@
         wb.NMTUncommitMemory(addrF, commitSize);
 
         output = new OutputAnalyzer(pb.start());
-        output.shouldContain("Test (reserved=1024KB, committed=0KB)");
+        output.shouldContain("Test (reserved=4096KB, committed=0KB)");
         if (has_nmt_detail) {
             output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
                     + Long.toHexString(addr + reserveSize)
-                    + "\\] reserved 1024KB for Test");
+                    + "\\] reserved 4096KB for Test");
         }
 
         // release
@@ -161,6 +160,6 @@
         output = new OutputAnalyzer(pb.start());
         output.shouldNotContain("Test (reserved=");
         output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
-                + Long.toHexString(addr + reserveSize) + "\\] reserved");
+                + Long.toHexString(addr + reserveSize) + "\\] reserved 4096KB for Test");
     }
 }
--- a/hotspot/test/runtime/jsig/Test8017498.sh	Thu Aug 28 17:05:41 2014 +0200
+++ b/hotspot/test/runtime/jsig/Test8017498.sh	Fri Aug 29 08:07:13 2014 -0700
@@ -31,15 +31,14 @@
 ## @bug 8022301
 ## @bug 8025519
 ## @summary sigaction(sig) results in process hang/timed-out if sig is much greater than SIGRTMAX
-## @ignore 8041727
 ## @run shell/timeout=60 Test8017498.sh
 ##
 
-if [ "${TESTSRC}" = "" ]
-then
-  TESTSRC=${PWD}
+if [ -z "${TESTSRC}" ]; then
+  TESTSRC="${PWD}"
   echo "TESTSRC not set.  Using "${TESTSRC}" as default"
 fi
+
 echo "TESTSRC=${TESTSRC}"
 ## Adding common setup Variables for running shell tests.
 . ${TESTSRC}/../../test_env.sh
@@ -52,13 +51,13 @@
   Linux)
     echo "Testing on Linux"
     gcc_cmd=`which gcc`
-    if [ "x$gcc_cmd" == "x" ]; then
+    if [ -z "$gcc_cmd" ]; then
         echo "WARNING: gcc not found. Cannot execute test." 2>&1
         exit 0;
     fi
     MY_LD_PRELOAD=${TESTJAVA}${FS}jre${FS}lib${FS}${VM_CPU}${FS}libjsig.so
-    if [ "$VM_BITS" == "32" ] && [ "$VM_CPU" != "arm" ] && [ "$VM_CPU" != "ppc" ]; then
-            EXTRA_CFLAG=-m32
+    if [ "$VM_BITS" = "32" ] && [ "$VM_CPU" != "arm" ] && [ "$VM_CPU" != "ppc" ]; then
+        EXTRA_CFLAG=-m32
     fi
     echo MY_LD_PRELOAD = ${MY_LD_PRELOAD}
     ;;
@@ -70,7 +69,7 @@
 
 THIS_DIR=.
 
-cp ${TESTSRC}${FS}*.java ${THIS_DIR}
+cp "${TESTSRC}${FS}"*.java "${THIS_DIR}"
 ${COMPILEJAVA}${FS}bin${FS}javac *.java
 
 $gcc_cmd -DLINUX -fPIC -shared \
@@ -80,16 +79,19 @@
     -I${COMPILEJAVA}${FS}include${FS}linux \
     ${TESTSRC}${FS}TestJNI.c
 
+if [ $? -ne 0 ] ; then
+    echo "Compile failed, Ignoring failed compilation and forcing the test to pass"
+    exit 0
+fi
+
 # run the java test in the background
 cmd="LD_PRELOAD=$MY_LD_PRELOAD \
     ${TESTJAVA}${FS}bin${FS}java \
     -Djava.library.path=. -server TestJNI 100"
-echo "$cmd > test.out 2>&1"
-eval $cmd > test.out 2>&1
+echo "$cmd > test.out"
+eval $cmd > test.out
 
-grep "old handler" test.out > ${NULL}
-if [ $? = 0 ]
-then
+if grep "old handler" test.out > ${NULL}; then
     echo "Test Passed"
     exit 0
 fi
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