src/hotspot/share/code/codeCache.hpp

*** 69,80 ****
  //
  // IMPORTANT: If you add new CodeHeaps to the code cache or change the
  // existing ones, make sure to adapt the dtrace scripts (jhelper.d) for
  // Solaris and BSD.
  
! class OopClosure;
  class KlassDepChange;
  
  class CodeCache : AllStatic {
    friend class VMStructs;
    friend class JVMCIVMStructs;
    template <class T, class Filter> friend class CodeBlobIterator;
--- 69,81 ----
  //
  // IMPORTANT: If you add new CodeHeaps to the code cache or change the
  // existing ones, make sure to adapt the dtrace scripts (jhelper.d) for
  // Solaris and BSD.
  
! class ExceptionCache;
  class KlassDepChange;
+ class OopClosure;
  
  class CodeCache : AllStatic {
    friend class VMStructs;
    friend class JVMCIVMStructs;
    template <class T, class Filter> friend class CodeBlobIterator;
***************
*** 91,100 ****
--- 92,103 ----
    static address _high_bound;                           // Upper bound of CodeHeap addresses
    static int _number_of_nmethods_with_dependencies;     // Total number of nmethods with dependencies
    static bool _needs_cache_clean;                       // True if inline caches of the nmethods needs to be flushed
    static nmethod* _scavenge_root_nmethods;              // linked via nm->scavenge_root_link()
  
+   static ExceptionCache* volatile _exception_cache_purge_list;
+ 
    static void mark_scavenge_root_nmethods() PRODUCT_RETURN;
    static void verify_perm_nmethods(CodeBlobClosure* f_or_null) PRODUCT_RETURN;
  
    // CodeHeap management
    static void initialize_heaps();                             // Initializes the CodeHeaps
***************
*** 172,181 ****
--- 175,186 ----
    // to) any unmarked codeBlobs in the cache.  Sets "marked_for_unloading"
    // to "true" iff some code got unloaded.
    // "unloading_occurred" controls whether metadata should be cleaned because of class unloading.
    static void do_unloading(BoolObjectClosure* is_alive, bool unloading_occurred);
    static void asserted_non_scavengable_nmethods_do(CodeBlobClosure* f = NULL) PRODUCT_RETURN;
+   static void release_exception_cache(ExceptionCache* entry);
+   static void purge_exception_caches();
  
    // Apply f to every live code blob in scavengable nmethods. Prune nmethods
    // from the list of scavengable nmethods if f->fix_relocations() and a nmethod
    // no longer has scavengable oops.  If f->fix_relocations(), then f must copy
    // objects to their new location immediately to avoid fixing nmethods on the