358   vmassert(jfa->last_Java_pc() != NULL, "not walkable");
 359   frame fr(jfa->last_Java_sp(), jfa->last_Java_fp(), jfa->last_Java_pc());
 360   return fr;
 361 }
 362 
 363 //------------------------------------------------------------------------------
 364 // frame::verify_deopt_original_pc
 365 //
 366 // Verifies the calculated original PC of a deoptimization PC for the
 367 // given unextended SP.
 368 #ifdef ASSERT
 369 void frame::verify_deopt_original_pc(CompiledMethod* nm, intptr_t* unextended_sp) {
 370   frame fr;
 371 
 372   // This is ugly but it's better than to change {get,set}_original_pc
 373   // to take an SP value as argument.  And it's only a debugging
 374   // method anyway.
 375   fr._unextended_sp = unextended_sp;
 376 
 377   address original_pc = nm->get_original_pc(&fr);
 378   assert(nm->insts_contains(original_pc), "original PC must be in nmethod");

 379 }
 380 #endif
 381 
 382 //------------------------------------------------------------------------------
 383 // frame::adjust_unextended_sp
 384 void frame::adjust_unextended_sp() {
 385   // On aarch64, sites calling method handle intrinsics and lambda forms are treated
 386   // as any other call site. Therefore, no special action is needed when we are
 387   // returning to any of these call sites.
 388 
 389   if (_cb != NULL) {
 390     CompiledMethod* sender_cm = _cb->as_compiled_method_or_null();
 391     if (sender_cm != NULL) {
 392       // If the sender PC is a deoptimization point, get the original PC.
 393       if (sender_cm->is_deopt_entry(_pc) ||
 394           sender_cm->is_deopt_mh_entry(_pc)) {
 395         DEBUG_ONLY(verify_deopt_original_pc(sender_cm, _unextended_sp));
 396       }
 397     }
 398   }

 358   vmassert(jfa->last_Java_pc() != NULL, "not walkable");
 359   frame fr(jfa->last_Java_sp(), jfa->last_Java_fp(), jfa->last_Java_pc());
 360   return fr;
 361 }
 362 
 363 //------------------------------------------------------------------------------
 364 // frame::verify_deopt_original_pc
 365 //
 366 // Verifies the calculated original PC of a deoptimization PC for the
 367 // given unextended SP.
 368 #ifdef ASSERT
 369 void frame::verify_deopt_original_pc(CompiledMethod* nm, intptr_t* unextended_sp) {
 370   frame fr;
 371 
 372   // This is ugly but it's better than to change {get,set}_original_pc
 373   // to take an SP value as argument.  And it's only a debugging
 374   // method anyway.
 375   fr._unextended_sp = unextended_sp;
 376 
 377   address original_pc = nm->get_original_pc(&fr);
 378   assert(nm->insts_contains_inclusive(original_pc),
 379          "original PC must be in the main code section of the the compiled method (or must be immediately following it)");
 380 }
 381 #endif
 382 
 383 //------------------------------------------------------------------------------
 384 // frame::adjust_unextended_sp
 385 void frame::adjust_unextended_sp() {
 386   // On aarch64, sites calling method handle intrinsics and lambda forms are treated
 387   // as any other call site. Therefore, no special action is needed when we are
 388   // returning to any of these call sites.
 389 
 390   if (_cb != NULL) {
 391     CompiledMethod* sender_cm = _cb->as_compiled_method_or_null();
 392     if (sender_cm != NULL) {
 393       // If the sender PC is a deoptimization point, get the original PC.
 394       if (sender_cm->is_deopt_entry(_pc) ||
 395           sender_cm->is_deopt_mh_entry(_pc)) {
 396         DEBUG_ONLY(verify_deopt_original_pc(sender_cm, _unextended_sp));
 397       }
 398     }
 399   }