src/share/vm/code/codeCache.hpp

rev 10619 : [backport] Move ParallelCodeIterator to ShenandoahCodeRoots

*** 28,38 ****
  #include "code/codeBlob.hpp"
  #include "memory/allocation.hpp"
  #include "memory/heap.hpp"
  #include "oops/instanceKlass.hpp"
  #include "oops/oopsHierarchy.hpp"
- #include "runtime/safepoint.hpp"
  
  // The CodeCache implements the code cache for various pieces of generated
  // code, e.g., compiled java methods, runtime stubs, transition frames, etc.
  // The entries in the CodeCache are all CodeBlob's.
  
--- 28,37 ----
*** 41,63 ****
  //   - Like the offset table in oldspace the zone has at table for
  //     locating a method given a addess of an instruction.
  
  class OopClosure;
  class DepChange;
! 
! class ParallelCodeCacheIterator VALUE_OBJ_CLASS_SPEC {
!   friend class CodeCache;
! private:
!   volatile int  _claimed_idx;
!   volatile bool _finished;
! public:
!   ParallelCodeCacheIterator();
!   void parallel_blobs_do(CodeBlobClosure* f);
! };
  
  class CodeCache : AllStatic {
    friend class VMStructs;
   private:
    // CodeHeap is malloc()'ed at startup and never deleted during shutdown,
    // so that the generated assembly code is always there when it's needed.
    // This may cause memory leak, but is necessary, for now. See 4423824,
    // 4422213 or 4436291 for details.
--- 40,54 ----
  //   - Like the offset table in oldspace the zone has at table for
  //     locating a method given a addess of an instruction.
  
  class OopClosure;
  class DepChange;
! class ShenandoahParallelCodeCacheIterator;
  
  class CodeCache : AllStatic {
    friend class VMStructs;
+   friend class ShenandoahParallelCodeCacheIterator;
   private:
    // CodeHeap is malloc()'ed at startup and never deleted during shutdown,
    // so that the generated assembly code is always there when it's needed.
    // This may cause memory leak, but is necessary, for now. See 4423824,
    // 4422213 or 4436291 for details.
*** 139,155 ****
  
    // GC support
    static void gc_epilogue();
    static void gc_prologue();
    static void verify_oops();
- 
-   // Parallel GC support
-   static ParallelCodeCacheIterator parallel_iterator() {
-     assert(SafepointSynchronize::is_at_safepoint(), "Must be at safepoint");
-     return ParallelCodeCacheIterator();
-   }
- 
    // If "unloading_occurred" is true, then unloads (i.e., breaks root links
    // to) any unmarked codeBlobs in the cache.  Sets "marked_for_unloading"
    // to "true" iff some code got unloaded.
    static void do_unloading(BoolObjectClosure* is_alive, bool unloading_occurred);
    static void asserted_non_scavengable_nmethods_do(CodeBlobClosure* f = NULL) PRODUCT_RETURN;
--- 130,139 ----