49   friend class PrepareExtraDataClosure;

    49   friend class PrepareExtraDataClosure;

    50 

    50 

    51 private:

    51 private:

    52   Arena*           _arena;       // Alias for _ciEnv_arena except in init_shared_objects()

    52   Arena*           _arena;       // Alias for _ciEnv_arena except in init_shared_objects()

    53   Arena            _ciEnv_arena;

    53   Arena            _ciEnv_arena;

    55   ciObjectFactory* _factory;

    54   ciObjectFactory* _factory;

    56   OopRecorder*     _oop_recorder;

    55   OopRecorder*     _oop_recorder;

    57   DebugInformationRecorder* _debug_info;

    56   DebugInformationRecorder* _debug_info;

    58   Dependencies*    _dependencies;

    57   Dependencies*    _dependencies;

    59   const char*      _failure_reason;

    58   const char*      _failure_reason;

    67 

    66 

    68   char* _name_buffer;

    67   char* _name_buffer;

    69   int   _name_buffer_len;

    68   int   _name_buffer_len;

    70 

    69 

    71   // Cache Jvmti state

    70   // Cache Jvmti state

    72   bool  _jvmti_can_hotswap_or_post_breakpoint;

    72   bool  _jvmti_can_hotswap_or_post_breakpoint;

    73   bool  _jvmti_can_access_local_variables;

    73   bool  _jvmti_can_access_local_variables;

    74   bool  _jvmti_can_post_on_exceptions;

    74   bool  _jvmti_can_post_on_exceptions;

    75   bool  _jvmti_can_pop_frame;

    75   bool  _jvmti_can_pop_frame;

    76 

    77 

    77   // Cache DTrace flags

    78   // Cache DTrace flags

    78   bool  _dtrace_extended_probes;

    79   bool  _dtrace_extended_probes;

    79   bool  _dtrace_monitor_probes;

    80   bool  _dtrace_monitor_probes;

    80   bool  _dtrace_method_probes;

    81   bool  _dtrace_method_probes;

   289   static bool is_in_vm();

   290   static bool is_in_vm();

   290 

   291 

   291   // Helper routine for determining the validity of a compilation with

   292   // Helper routine for determining the validity of a compilation with

   292   // respect to method dependencies (e.g. concurrent class loading).

   293   // respect to method dependencies (e.g. concurrent class loading).

   293   void validate_compile_task_dependencies(ciMethod* target);

   294   void validate_compile_task_dependencies(ciMethod* target);

   297 public:

   295 public:

   298   enum {

   296   enum {

   299     MethodCompilable,

   297     MethodCompilable,

   300     MethodCompilable_not_at_tier,

   298     MethodCompilable_not_at_tier,

   301     MethodCompilable_never

   299     MethodCompilable_never

   302   };

   300   };

   303 

   301 

   305   // Used only during initialization of the ci

   303   // Used only during initialization of the ci

   306   ciEnv(Arena* arena);

   304   ciEnv(Arena* arena);

   307   ~ciEnv();

   305   ~ciEnv();

   308 

   306 

   309   OopRecorder* oop_recorder() { return _oop_recorder; }

   307   OopRecorder* oop_recorder() { return _oop_recorder; }

   348   bool  should_retain_local_variables() const {

   346   bool  should_retain_local_variables() const {

   349     return _jvmti_can_access_local_variables || _jvmti_can_pop_frame;

   347     return _jvmti_can_access_local_variables || _jvmti_can_pop_frame;

   350   }

   348   }

   351   bool  jvmti_can_hotswap_or_post_breakpoint() const { return _jvmti_can_hotswap_or_post_breakpoint; }

   349   bool  jvmti_can_hotswap_or_post_breakpoint() const { return _jvmti_can_hotswap_or_post_breakpoint; }

   352   bool  jvmti_can_post_on_exceptions()         const { return _jvmti_can_post_on_exceptions; }

   350   bool  jvmti_can_post_on_exceptions()         const { return _jvmti_can_post_on_exceptions; }

   353 

   352 

   354   // Cache DTrace flags

   353   // Cache DTrace flags

   355   void  cache_dtrace_flags();

   354   void  cache_dtrace_flags();

   356   bool  dtrace_extended_probes() const { return _dtrace_extended_probes; }

   355   bool  dtrace_extended_probes() const { return _dtrace_extended_probes; }

   357   bool  dtrace_monitor_probes()  const { return _dtrace_monitor_probes; }

   356   bool  dtrace_monitor_probes()  const { return _dtrace_monitor_probes; }

   454 

   453 

   455   // Output stream for logging compilation info.

   454   // Output stream for logging compilation info.

   456   CompileLog* log() { return _log; }

   455   CompileLog* log() { return _log; }

   457   void set_log(CompileLog* log) { _log = log; }

   456   void set_log(CompileLog* log) { _log = log; }

   458 

   457 

   462   void record_failure(const char* reason);      // Record failure and report later

   458   void record_failure(const char* reason);      // Record failure and report later

   463   void report_failure(const char* reason);      // Report failure immediately

   459   void report_failure(const char* reason);      // Report failure immediately

   464   void record_method_not_compilable(const char* reason, bool all_tiers = true);

   460   void record_method_not_compilable(const char* reason, bool all_tiers = true);

   465   void record_out_of_memory_failure();

   461   void record_out_of_memory_failure();

   466 

   462