Move atomic ops and related files to base library

src/spaces.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_SPACES_H_
 #define V8_SPACES_H_
 
 #include "src/allocation.h"
+#include "src/base/atomicops.h"
 #include "src/hashmap.h"
 #include "src/list.h"
 #include "src/log.h"
 #include "src/platform/mutex.h"
 #include "src/utils.h"
 
 namespace v8 {
 namespace internal {
 
 class Isolate;
@@ skipping 265 matching lines @@
   }
 
   // Only works for addresses in pointer spaces, not data or code spaces.
   static inline MemoryChunk* FromAnyPointerAddress(Heap* heap, Address addr);
 
   Address address() { return reinterpret_cast<Address>(this); }
 
   bool is_valid() { return address() != NULL; }
 
   MemoryChunk* next_chunk() const {
-    return reinterpret_cast<MemoryChunk*>(Acquire_Load(&next_chunk_));
+    return reinterpret_cast<MemoryChunk*>(base::Acquire_Load(&next_chunk_));
   }
 
   MemoryChunk* prev_chunk() const {
-    return reinterpret_cast<MemoryChunk*>(Acquire_Load(&prev_chunk_));
+    return reinterpret_cast<MemoryChunk*>(base::Acquire_Load(&prev_chunk_));
   }
 
   void set_next_chunk(MemoryChunk* next) {
-    Release_Store(&next_chunk_, reinterpret_cast<AtomicWord>(next));
+    base::Release_Store(&next_chunk_, reinterpret_cast<base::AtomicWord>(next));
   }
 
   void set_prev_chunk(MemoryChunk* prev) {
-    Release_Store(&prev_chunk_, reinterpret_cast<AtomicWord>(prev));
+    base::Release_Store(&prev_chunk_, reinterpret_cast<base::AtomicWord>(prev));
   }
 
   Space* owner() const {
     if ((reinterpret_cast<intptr_t>(owner_) & kFailureTagMask) ==
         kFailureTag) {
       return reinterpret_cast<Space*>(reinterpret_cast<intptr_t>(owner_) -
                                       kFailureTag);
     } else {
       return NULL;
     }
@@ skipping 137 matching lines @@
   // PARALLEL_SWEEPING_PENDING - This page is ready for parallel sweeping.
   enum ParallelSweepingState {
     PARALLEL_SWEEPING_DONE,
     PARALLEL_SWEEPING_FINALIZE,
     PARALLEL_SWEEPING_IN_PROGRESS,
     PARALLEL_SWEEPING_PENDING
   };
 
   ParallelSweepingState parallel_sweeping() {
     return static_cast<ParallelSweepingState>(
-        Acquire_Load(&parallel_sweeping_));
+        base::Acquire_Load(&parallel_sweeping_));
   }
 
   void set_parallel_sweeping(ParallelSweepingState state) {
-    Release_Store(&parallel_sweeping_, state);
+    base::Release_Store(&parallel_sweeping_, state);
   }
 
   bool TryParallelSweeping() {
-    return Acquire_CompareAndSwap(&parallel_sweeping_,
-                                  PARALLEL_SWEEPING_PENDING,
-                                  PARALLEL_SWEEPING_IN_PROGRESS) ==
-                                      PARALLEL_SWEEPING_PENDING;
+    return base::Acquire_CompareAndSwap(
+               &parallel_sweeping_, PARALLEL_SWEEPING_PENDING,
+               PARALLEL_SWEEPING_IN_PROGRESS) == PARALLEL_SWEEPING_PENDING;
   }
 
   // Manage live byte count (count of bytes known to be live,
   // because they are marked black).
   void ResetLiveBytes() {
     if (FLAG_gc_verbose) {
       PrintF("ResetLiveBytes:%p:%x->0\n",
              static_cast<void*>(this), live_byte_count_);
     }
     live_byte_count_ = 0;
@@ skipping 214 matching lines @@
   SlotsBuffer* slots_buffer_;
   SkipList* skip_list_;
   intptr_t write_barrier_counter_;
   // Used by the incremental marker to keep track of the scanning progress in
   // large objects that have a progress bar and are scanned in increments.
   int progress_bar_;
   // Assuming the initial allocation on a page is sequential,
   // count highest number of bytes ever allocated on the page.
   int high_water_mark_;
 
-  AtomicWord parallel_sweeping_;
+  base::AtomicWord parallel_sweeping_;
 
   // PagedSpace free-list statistics.
   intptr_t available_in_small_free_list_;
   intptr_t available_in_medium_free_list_;
   intptr_t available_in_large_free_list_;
   intptr_t available_in_huge_free_list_;
   intptr_t non_available_small_blocks_;
 
   static MemoryChunk* Initialize(Heap* heap,
                                  Address base,
                                  size_t size,
                                  Address area_start,
                                  Address area_end,
                                  Executability executable,
                                  Space* owner);
 
  private:
   // next_chunk_ holds a pointer of type MemoryChunk
-  AtomicWord next_chunk_;
+  base::AtomicWord next_chunk_;
   // prev_chunk_ holds a pointer of type MemoryChunk
-  AtomicWord prev_chunk_;
+  base::AtomicWord prev_chunk_;
 
   friend class MemoryAllocator;
 };
 
 
 STATIC_ASSERT(sizeof(MemoryChunk) <= MemoryChunk::kHeaderSize);
 
 
 // -----------------------------------------------------------------------------
 // A page is a memory chunk of a size 1MB. Large object pages may be larger.
@@ skipping 783 matching lines @@
 
   FreeListNode* PickNodeFromList(int *node_size);
   FreeListNode* PickNodeFromList(int size_in_bytes, int *node_size);
 
   intptr_t EvictFreeListItemsInList(Page* p);
   bool ContainsPageFreeListItemsInList(Page* p);
 
   void RepairFreeList(Heap* heap);
 
   FreeListNode* top() const {
-    return reinterpret_cast<FreeListNode*>(NoBarrier_Load(&top_));
+    return reinterpret_cast<FreeListNode*>(base::NoBarrier_Load(&top_));
   }
 
   void set_top(FreeListNode* top) {
-    NoBarrier_Store(&top_, reinterpret_cast<AtomicWord>(top));
+    base::NoBarrier_Store(&top_, reinterpret_cast<base::AtomicWord>(top));
   }
 
   FreeListNode** GetEndAddress() { return &end_; }
   FreeListNode* end() const { return end_; }
   void set_end(FreeListNode* end) { end_ = end; }
 
   int* GetAvailableAddress() { return &available_; }
   int available() const { return available_; }
   void set_available(int available) { available_ = available; }
 
   Mutex* mutex() { return &mutex_; }
 
   bool IsEmpty() {
     return top() == 0;
   }
 
 #ifdef DEBUG
   intptr_t SumFreeList();
   int FreeListLength();
 #endif
 
  private:
   // top_ points to the top FreeListNode* in the free list category.
-  AtomicWord top_;
+  base::AtomicWord top_;
   FreeListNode* end_;
   Mutex mutex_;
 
   // Total available bytes in all blocks of this free list category.
   int available_;
 };
 
 
 // The free list for the old space.  The free list is organized in such a way
 // as to encourage objects allocated around the same time to be near each
@@ skipping 1426 matching lines @@
   }
   // Must be small, since an iteration is used for lookup.
   static const int kMaxComments = 64;
 };
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_H_