diff src/share/vm/ci/ciEnv.hpp @ 6972:bd7a7ce2e264

6830717: replay of compilations would help with debugging Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method. Reviewed-by: kvn, twisti, sspitsyn Contributed-by: yumin.qi@oracle.com
author minqi
date Mon, 12 Nov 2012 14:03:53 -0800
parents 137868b7aa6f
children 2cb439954abf e12c9b3740db
line wrap: on
line diff
--- a/src/share/vm/ci/ciEnv.hpp	Fri Nov 09 08:36:17 2012 -0800
+++ b/src/share/vm/ci/ciEnv.hpp	Mon Nov 12 14:03:53 2012 -0800
@@ -46,6 +46,8 @@
   friend class CompileBroker;
   friend class Dependencies;  // for get_object, during logging
 
+  static fileStream* _replay_data_stream;
+
 private:
   Arena*           _arena;       // Alias for _ciEnv_arena except in init_shared_objects()
   Arena            _ciEnv_arena;
@@ -448,6 +450,13 @@
 
   // RedefineClasses support
   void metadata_do(void f(Metadata*)) { _factory->metadata_do(f); }
+
+  // Dump the compilation replay data for this ciEnv to
+  // ReplayDataFile, creating the file if needed.
+  void  dump_replay_data();
+
+  // Dump the compilation replay data for the ciEnv to the stream.
+  void dump_replay_data(outputStream* out);
 };
 
 #endif // SHARE_VM_CI_CIENV_HPP