< prev index next >

src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/z/ZAddress.java

Print this page




  41 
  42     static boolean is_weak_bad(Address value) {
  43         return (as_long(value) & ZGlobals.ZAddressWeakBadMask()) != 0;
  44     }
  45 
  46     static boolean is_weak_good(Address value) {
  47         return !is_weak_bad(value) && !is_null(value);
  48     }
  49 
  50     static boolean is_weak_good_or_null(Address value) {
  51         return !is_weak_bad(value);
  52     }
  53 
  54     static long offset(Address address) {
  55         return as_long(address) & ZGlobals.ZAddressOffsetMask;
  56     }
  57 
  58     static Address address(long value) {
  59         VM vm = VM.getVM();
  60         if (vm.getOS().equals("solaris") && vm.getCPU().equals("sparc")) {
  61             value |= ZGlobals.ZAddressSpaceStart;
  62         }
  63 
  64         return ZOop.to_address(value);
  65     }
  66 
  67     static Address good(Address value) {
  68         return address(offset(value) | ZGlobals.ZAddressGoodMask());
  69     }
  70 
  71     static Address good_or_null(Address value) {
  72         return is_null(value) ? value : good(value);
  73     }
  74 }


  41 
  42     static boolean is_weak_bad(Address value) {
  43         return (as_long(value) & ZGlobals.ZAddressWeakBadMask()) != 0;
  44     }
  45 
  46     static boolean is_weak_good(Address value) {
  47         return !is_weak_bad(value) && !is_null(value);
  48     }
  49 
  50     static boolean is_weak_good_or_null(Address value) {
  51         return !is_weak_bad(value);
  52     }
  53 
  54     static long offset(Address address) {
  55         return as_long(address) & ZGlobals.ZAddressOffsetMask;
  56     }
  57 
  58     static Address address(long value) {
  59         VM vm = VM.getVM();
  60         if (vm.getOS().equals("solaris") && vm.getCPU().equals("sparc")) {
  61             value |= ZGlobals.ZAddressSpaceStart.asLongValue();
  62         }
  63 
  64         return ZOop.to_address(value);
  65     }
  66 
  67     static Address good(Address value) {
  68         return address(offset(value) | ZGlobals.ZAddressGoodMask());
  69     }
  70 
  71     static Address good_or_null(Address value) {
  72         return is_null(value) ? value : good(value);
  73     }
  74 }
< prev index next >