377 // Deal with Disassembler, VTune, Forte, JvmtiExport, MemoryService.
378 static void trace_new_stub(RuntimeBlob* blob, const char* name1, const char* name2 = "");
379 };
380
381 class WhiteBox;
382 //----------------------------------------------------------------------------------------------------
383 // BufferBlob: used to hold non-relocatable machine code such as the interpreter, stubroutines, etc.
384
385 class BufferBlob: public RuntimeBlob {
386 friend class VMStructs;
387 friend class AdapterBlob;
388 friend class VtableBlob;
389 friend class MethodHandlesAdapterBlob;
390 friend class BufferedValueTypeBlob;
391 friend class WhiteBox;
392
393 private:
394 // Creation support
395 BufferBlob(const char* name, int size);
396 BufferBlob(const char* name, int size, CodeBuffer* cb);
397 BufferBlob(const char* name, int size, CodeBuffer* cb, int frame_complete, int frame_size, OopMapSet* oop_maps);
398
399 // This ordinary operator delete is needed even though not used, so the
400 // below two-argument operator delete will be treated as a placement
401 // delete rather than an ordinary sized delete; see C++14 3.7.4.2/p2.
402 void operator delete(void* p);
403 void* operator new(size_t s, unsigned size) throw();
404
405 public:
406 // Creation
407 static BufferBlob* create(const char* name, int buffer_size);
408 static BufferBlob* create(const char* name, CodeBuffer* cb);
409
410 static void free(BufferBlob* buf);
411
412 // Typing
413 virtual bool is_buffer_blob() const { return true; }
414
415 // GC/Verification support
416 void preserve_callee_argument_oops(frame fr, const RegisterMap* reg_map, OopClosure* f) { /* nothing to do */ }
417 bool is_alive() const { return true; }
418
419 void verify();
420 void print_on(outputStream* st) const;
421 void print_value_on(outputStream* st) const;
422 };
423
424
425 //----------------------------------------------------------------------------------------------------
426 // AdapterBlob: used to hold C2I/I2C adapters
427
428 class AdapterBlob: public BufferBlob {
429 private:
430 AdapterBlob(int size, CodeBuffer* cb, int frame_complete, int frame_size, OopMapSet* oop_maps);
431
432 public:
433 // Creation
434 static AdapterBlob* create(CodeBuffer* cb,
435 int frame_complete,
436 int frame_size,
437 OopMapSet* oop_maps);
438
439 // Typing
440 virtual bool is_adapter_blob() const { return true; }
441
442 bool caller_must_gc_arguments(JavaThread* thread) const { return true; }
443 };
444
445 //---------------------------------------------------------------------------------------------------
446 class VtableBlob: public BufferBlob {
447 private:
448 VtableBlob(const char*, int);
449
450 public:
451 // Creation
452 static VtableBlob* create(const char* name, int buffer_size);
453
454 // Typing
455 virtual bool is_vtable_blob() const { return true; }
456 };
457
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377 // Deal with Disassembler, VTune, Forte, JvmtiExport, MemoryService.
378 static void trace_new_stub(RuntimeBlob* blob, const char* name1, const char* name2 = "");
379 };
380
381 class WhiteBox;
382 //----------------------------------------------------------------------------------------------------
383 // BufferBlob: used to hold non-relocatable machine code such as the interpreter, stubroutines, etc.
384
385 class BufferBlob: public RuntimeBlob {
386 friend class VMStructs;
387 friend class AdapterBlob;
388 friend class VtableBlob;
389 friend class MethodHandlesAdapterBlob;
390 friend class BufferedValueTypeBlob;
391 friend class WhiteBox;
392
393 private:
394 // Creation support
395 BufferBlob(const char* name, int size);
396 BufferBlob(const char* name, int size, CodeBuffer* cb);
397 BufferBlob(const char* name, int size, CodeBuffer* cb, int frame_complete, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments = false);
398
399 // This ordinary operator delete is needed even though not used, so the
400 // below two-argument operator delete will be treated as a placement
401 // delete rather than an ordinary sized delete; see C++14 3.7.4.2/p2.
402 void operator delete(void* p);
403 void* operator new(size_t s, unsigned size) throw();
404
405 public:
406 // Creation
407 static BufferBlob* create(const char* name, int buffer_size);
408 static BufferBlob* create(const char* name, CodeBuffer* cb);
409
410 static void free(BufferBlob* buf);
411
412 // Typing
413 virtual bool is_buffer_blob() const { return true; }
414
415 // GC/Verification support
416 void preserve_callee_argument_oops(frame fr, const RegisterMap* reg_map, OopClosure* f) { /* nothing to do */ }
417 bool is_alive() const { return true; }
418
419 void verify();
420 void print_on(outputStream* st) const;
421 void print_value_on(outputStream* st) const;
422 };
423
424
425 //----------------------------------------------------------------------------------------------------
426 // AdapterBlob: used to hold C2I/I2C adapters
427
428 class AdapterBlob: public BufferBlob {
429 private:
430 AdapterBlob(int size, CodeBuffer* cb, int frame_complete, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments = false);
431
432 public:
433 // Creation
434 static AdapterBlob* create(CodeBuffer* cb,
435 int frame_complete,
436 int frame_size,
437 OopMapSet* oop_maps,
438 bool caller_must_gc_arguments = false);
439
440 // Typing
441 virtual bool is_adapter_blob() const { return true; }
442
443 bool caller_must_gc_arguments(JavaThread* thread) const { return true; }
444 };
445
446 //---------------------------------------------------------------------------------------------------
447 class VtableBlob: public BufferBlob {
448 private:
449 VtableBlob(const char*, int);
450
451 public:
452 // Creation
453 static VtableBlob* create(const char* name, int buffer_size);
454
455 // Typing
456 virtual bool is_vtable_blob() const { return true; }
457 };
458
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