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diff src/share/vm/oops/oopsHierarchy.hpp @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a61af66fc99e
children d1605aabd0a1
line wrap: on
line diff
--- a/src/share/vm/oops/oopsHierarchy.hpp	Fri Apr 11 09:56:35 2008 -0400
+++ b/src/share/vm/oops/oopsHierarchy.hpp	Sun Apr 13 17:43:42 2008 -0400
@@ -26,21 +26,25 @@
 // This hierarchy is a representation hierarchy, i.e. if A is a superclass
 // of B, A's representation is a prefix of B's representation.
 
+typedef juint narrowOop; // Offset instead of address for an oop within a java object
+typedef class klassOopDesc* wideKlassOop; // to keep SA happy and unhandled oop
+                                          // detector happy.
+
 #ifndef CHECK_UNHANDLED_OOPS
 
-typedef class oopDesc*                      oop;
+typedef class oopDesc*                            oop;
 typedef class   instanceOopDesc*            instanceOop;
-typedef class   methodOopDesc*              methodOop;
-typedef class   constMethodOopDesc*         constMethodOop;
-typedef class   methodDataOopDesc*          methodDataOop;
-typedef class   arrayOopDesc*               arrayOop;
-typedef class     constantPoolOopDesc*      constantPoolOop;
-typedef class     constantPoolCacheOopDesc* constantPoolCacheOop;
-typedef class     objArrayOopDesc*          objArrayOop;
-typedef class     typeArrayOopDesc*         typeArrayOop;
-typedef class   symbolOopDesc*              symbolOop;
-typedef class   klassOopDesc*               klassOop;
-typedef class   markOopDesc*                markOop;
+typedef class   methodOopDesc*                    methodOop;
+typedef class   constMethodOopDesc*            constMethodOop;
+typedef class   methodDataOopDesc*            methodDataOop;
+typedef class   arrayOopDesc*                    arrayOop;
+typedef class     objArrayOopDesc*            objArrayOop;
+typedef class     typeArrayOopDesc*            typeArrayOop;
+typedef class   constantPoolOopDesc*            constantPoolOop;
+typedef class   constantPoolCacheOopDesc*   constantPoolCacheOop;
+typedef class   symbolOopDesc*                    symbolOop;
+typedef class   klassOopDesc*                    klassOop;
+typedef class   markOopDesc*                    markOop;
 typedef class   compiledICHolderOopDesc*    compiledICHolderOop;
 
 #else
@@ -172,9 +176,9 @@
 class       objArrayKlassKlass;
 class       typeArrayKlassKlass;
 class   arrayKlass;
-class     constantPoolKlass;
-class     constantPoolCacheKlass;
 class     objArrayKlass;
 class     typeArrayKlass;
-class       symbolKlass;
+class   constantPoolKlass;
+class   constantPoolCacheKlass;
+class   symbolKlass;
 class   compiledICHolderKlass;