435 //
436 // 0 [TOP_IJAVA_FRAME_ABI] <-- R1_SP
437 // alignment (optional)
438 // [outgoing Java arguments]
439 // ...
440 // PARENT [PARENT_IJAVA_FRAME_ABI]
441 // ...
442 //
443
444 // Can't use call_VM here because we have not set up a new
445 // interpreter state. Make the call to the vm and make it look like
446 // our caller set up the JavaFrameAnchor.
447 __ set_top_ijava_frame_at_SP_as_last_Java_frame(R1_SP, R12_scratch2/*tmp*/);
448
449 // Push a new C frame and save LR.
450 __ save_LR_CR(R0);
451 __ push_frame_reg_args(0, R11_scratch1);
452
453 // This is not a leaf but we have a JavaFrameAnchor now and we will
454 // check (create) exceptions afterward so this is ok.
455 __ call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError),
456 R16_thread);
457
458 // Pop the C frame and restore LR.
459 __ pop_frame();
460 __ restore_LR_CR(R0);
461
462 // Reset JavaFrameAnchor from call_VM_leaf above.
463 __ reset_last_Java_frame();
464
465 // We don't know our caller, so jump to the general forward exception stub,
466 // which will also pop our full frame off. Satisfy the interface of
467 // SharedRuntime::generate_forward_exception()
468 __ load_const_optimized(R11_scratch1, StubRoutines::forward_exception_entry(), R0);
469 __ mtctr(R11_scratch1);
470 __ bctr();
471
472 return entry;
473 }
474
475 // Interpreter intrinsic for WeakReference.get().
476 // 1. Don't push a full blown frame and go on dispatching, but fetch the value
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435 //
436 // 0 [TOP_IJAVA_FRAME_ABI] <-- R1_SP
437 // alignment (optional)
438 // [outgoing Java arguments]
439 // ...
440 // PARENT [PARENT_IJAVA_FRAME_ABI]
441 // ...
442 //
443
444 // Can't use call_VM here because we have not set up a new
445 // interpreter state. Make the call to the vm and make it look like
446 // our caller set up the JavaFrameAnchor.
447 __ set_top_ijava_frame_at_SP_as_last_Java_frame(R1_SP, R12_scratch2/*tmp*/);
448
449 // Push a new C frame and save LR.
450 __ save_LR_CR(R0);
451 __ push_frame_reg_args(0, R11_scratch1);
452
453 // This is not a leaf but we have a JavaFrameAnchor now and we will
454 // check (create) exceptions afterward so this is ok.
455 __ call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodErrorWithMethod),
456 R16_thread, R19_method);
457
458 // Pop the C frame and restore LR.
459 __ pop_frame();
460 __ restore_LR_CR(R0);
461
462 // Reset JavaFrameAnchor from call_VM_leaf above.
463 __ reset_last_Java_frame();
464
465 // We don't know our caller, so jump to the general forward exception stub,
466 // which will also pop our full frame off. Satisfy the interface of
467 // SharedRuntime::generate_forward_exception()
468 __ load_const_optimized(R11_scratch1, StubRoutines::forward_exception_entry(), R0);
469 __ mtctr(R11_scratch1);
470 __ bctr();
471
472 return entry;
473 }
474
475 // Interpreter intrinsic for WeakReference.get().
476 // 1. Don't push a full blown frame and go on dispatching, but fetch the value
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