src/share/vm/utilities/globalDefinitions.hpp

rev 3821 : [mq]: unused

*** 411,420 ****
--- 411,427 ----
  
  inline intptr_t align_object_offset(intptr_t offset) {
    return align_size_up(offset, HeapWordsPerLong);
  }
  
+ // Clamp an address to be within a specific page
+ // 1. If addr is on the page it is returned as is
+ // 2. If addr is above the page_address the start of the *next* page will be returned
+ // 3. Otherwise, if addr is below the page_address the start of the page will be returned
+ address clamp_address_in_page(address addr, address page_address);
+ 
+ 
  // The expected size in bytes of a cache line, used to pad data structures.
  #define DEFAULT_CACHE_LINE_SIZE 64
  
  // Bytes needed to pad type to avoid cache-line sharing; alignment should be the
  // expected cache line size (a power of two).  The first addend avoids sharing
*** 1272,1277 ****
--- 1279,1295 ----
  #endif /* COMPILER2 */
  # endif /* ASSERT */
  
  #define ARRAY_SIZE(array) (sizeof(array)/sizeof((array)[0]))
  
+ 
+ #ifndef PRODUCT
+ 
+ // For unit testing only
+ class GlobalDefinitions {
+ public:
+   static void test_globals();
+ };
+ 
+ #endif // PRODUCT
+ 
  #endif // SHARE_VM_UTILITIES_GLOBALDEFINITIONS_HPP