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comparison src/share/vm/code/nmethod.hpp @ 1109:032260830071

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5057818: codecache full and compiler disabled in bigapps fastdebug run Reviewed-by: kvn
author never
date Wed, 16 Dec 2009 22:15:12 -0800
parents a1423fe86a18
children e66fd840cb6b
comparison
equal deleted inserted replaced
1108:85f13cdfbc1d 1109:032260830071
250 250
251 // helper methods 251 // helper methods
252 void* operator new(size_t size, int nmethod_size); 252 void* operator new(size_t size, int nmethod_size);
253 253
254 const char* reloc_string_for(u_char* begin, u_char* end); 254 const char* reloc_string_for(u_char* begin, u_char* end);
255 void make_not_entrant_or_zombie(int state); 255 // Returns true if this thread changed the state of the nmethod or
256 // false if another thread performed the transition.
257 bool make_not_entrant_or_zombie(int state);
256 void inc_decompile_count(); 258 void inc_decompile_count();
257 259
258 // used to check that writes to nmFlags are done consistently. 260 // used to check that writes to nmFlags are done consistently.
259 static void check_safepoint() PRODUCT_RETURN; 261 static void check_safepoint() PRODUCT_RETURN;
260 262
373 bool is_alive() const { return flags.state == alive || flags.state == not_entrant; } 375 bool is_alive() const { return flags.state == alive || flags.state == not_entrant; }
374 bool is_not_entrant() const { return flags.state == not_entrant; } 376 bool is_not_entrant() const { return flags.state == not_entrant; }
375 bool is_zombie() const { return flags.state == zombie; } 377 bool is_zombie() const { return flags.state == zombie; }
376 bool is_unloaded() const { return flags.state == unloaded; } 378 bool is_unloaded() const { return flags.state == unloaded; }
377 379
378 // Make the nmethod non entrant. The nmethod will continue to be alive. 380 // Make the nmethod non entrant. The nmethod will continue to be
379 // It is used when an uncommon trap happens. 381 // alive. It is used when an uncommon trap happens. Returns true
380 void make_not_entrant() { make_not_entrant_or_zombie(not_entrant); } 382 // if this thread changed the state of the nmethod or false if
381 void make_zombie() { make_not_entrant_or_zombie(zombie); } 383 // another thread performed the transition.
384 bool make_not_entrant() { return make_not_entrant_or_zombie(not_entrant); }
385 bool make_zombie() { return make_not_entrant_or_zombie(zombie); }
382 386
383 // used by jvmti to track if the unload event has been reported 387 // used by jvmti to track if the unload event has been reported
384 bool unload_reported() { return _unload_reported; } 388 bool unload_reported() { return _unload_reported; }
385 void set_unload_reported() { _unload_reported = true; } 389 void set_unload_reported() { _unload_reported = true; }
386 390
561 void print_on(outputStream* st, const char* title) const; 565 void print_on(outputStream* st, const char* title) const;
562 566
563 // Logging 567 // Logging
564 void log_identity(xmlStream* log) const; 568 void log_identity(xmlStream* log) const;
565 void log_new_nmethod() const; 569 void log_new_nmethod() const;
566 void log_state_change(int state) const; 570 void log_state_change() const;
567 571
568 // Prints a comment for one native instruction (reloc info, pc desc) 572 // Prints a comment for one native instruction (reloc info, pc desc)
569 void print_code_comment_on(outputStream* st, int column, address begin, address end); 573 void print_code_comment_on(outputStream* st, int column, address begin, address end);
570 static void print_statistics() PRODUCT_RETURN; 574 static void print_statistics() PRODUCT_RETURN;
571 575