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diff src/share/vm/interpreter/rewriter.cpp @ 2226:c5a923563727

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6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?") Summary: Fix block_size_if_printezis_bits() so it does not expect the bits, only uses them when available. Fix block_size_no_stall() so it does not stall when the bits are missing such cases, letting the caller deal with zero size returns. Constant pool cache oops do not need to be unparsable or conc_unsafe after their klass pointer is installed. Some cosmetic clean-ups and some assertion checking for conc-usafety which, in the presence of class file redefinition, has no a-priori time boundedness, so all GCs must be able to safely deal with putatively conc-unsafe objects in a stop-world pause. Reviewed-by: jmasa, johnc
author ysr
date Mon, 07 Feb 2011 22:19:57 -0800
parents 8012aa3ccede
children 2ab52cda08e5 ed69575596ac
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line diff
--- a/src/share/vm/interpreter/rewriter.cpp	Thu Feb 03 20:49:09 2011 -0800
+++ b/src/share/vm/interpreter/rewriter.cpp	Mon Feb 07 22:19:57 2011 -0800
@@ -67,13 +67,11 @@
 
 
 // Creates a constant pool cache given a CPC map
-// This creates the constant pool cache initially in a state
-// that is unsafe for concurrent GC processing but sets it to
-// a safe mode before the constant pool cache is returned.
 void Rewriter::make_constant_pool_cache(TRAPS) {
   const int length = _cp_cache_map.length();
   constantPoolCacheOop cache =
-      oopFactory::new_constantPoolCache(length, methodOopDesc::IsUnsafeConc, CHECK);
+      oopFactory::new_constantPoolCache(length, CHECK);
+  No_Safepoint_Verifier nsv;
   cache->initialize(_cp_cache_map);
 
   // Don't bother with the next pass if there is no JVM_CONSTANT_InvokeDynamic.