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diff src/share/vm/runtime/thread.hpp @ 989:148e5441d916

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6863023: need non-perm oops in code cache for JSR 292 Summary: Make a special root-list for those few nmethods which might contain non-perm oops. Reviewed-by: twisti, kvn, never, jmasa, ysr
author jrose
date Tue, 15 Sep 2009 21:53:47 -0700
parents bd02caa94611
children 46b819ba120b
line wrap: on
line diff
--- a/src/share/vm/runtime/thread.hpp	Tue Sep 15 11:09:34 2009 -0700
+++ b/src/share/vm/runtime/thread.hpp	Tue Sep 15 21:53:47 2009 -0700
@@ -374,7 +374,8 @@
 
   // GC support
   // Apply "f->do_oop" to all root oops in "this".
-  void oops_do(OopClosure* f);
+  // Apply "cf->do_code_blob" (if !NULL) to all code blobs active in frames
+  void oops_do(OopClosure* f, CodeBlobClosure* cf);
 
   // Handles the parallel case for the method below.
 private:
@@ -398,7 +399,7 @@
   }
 
   // Sweeper support
-  void nmethods_do();
+  void nmethods_do(CodeBlobClosure* cf);
 
   // Tells if adr belong to this thread. This is used
   // for checking if a lock is owned by the running thread.
@@ -1238,10 +1239,10 @@
   void frames_do(void f(frame*, const RegisterMap*));
 
   // Memory operations
-  void oops_do(OopClosure* f);
+  void oops_do(OopClosure* f, CodeBlobClosure* cf);
 
   // Sweeper operations
-  void nmethods_do();
+  void nmethods_do(CodeBlobClosure* cf);
 
   // Memory management operations
   void gc_epilogue();
@@ -1629,9 +1630,9 @@
 
   // Apply "f->do_oop" to all root oops in all threads.
   // This version may only be called by sequential code.
-  static void oops_do(OopClosure* f);
+  static void oops_do(OopClosure* f, CodeBlobClosure* cf);
   // This version may be called by sequential or parallel code.
-  static void possibly_parallel_oops_do(OopClosure* f);
+  static void possibly_parallel_oops_do(OopClosure* f, CodeBlobClosure* cf);
   // This creates a list of GCTasks, one per thread.
   static void create_thread_roots_tasks(GCTaskQueue* q);
   // This creates a list of GCTasks, one per thread, for marking objects.
@@ -1639,13 +1640,13 @@
 
   // Apply "f->do_oop" to roots in all threads that
   // are part of compiled frames
-  static void compiled_frame_oops_do(OopClosure* f);
+  static void compiled_frame_oops_do(OopClosure* f, CodeBlobClosure* cf);
 
   static void convert_hcode_pointers();
   static void restore_hcode_pointers();
 
   // Sweeper
-  static void nmethods_do();
+  static void nmethods_do(CodeBlobClosure* cf);
 
   static void gc_epilogue();
   static void gc_prologue();