2504   }
2505 
2506   // Tell dtrace about this method exit
2507   {
2508     SkipIfEqual skip_if(
2509       masm, G3_scratch, &DTraceMethodProbes, Assembler::zero);
2510     save_native_result(masm, ret_type, stack_slots);
2511     __ set_metadata_constant(method(), O1);
2512     __ call_VM_leaf(L7_thread_cache,
2513        CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit),
2514        G2_thread, O1);
2515     restore_native_result(masm, ret_type, stack_slots);
2516   }
2517 
2518   // Clear "last Java frame" SP and PC.
2519   __ verify_thread(); // G2_thread must be correct
2520   __ reset_last_Java_frame();
2521 
2522   // Unbox oop result, e.g. JNIHandles::resolve value in I0.
2523   if (ret_type == T_OBJECT || ret_type == T_ARRAY) {
2524     Label done, not_weak;
2525     __ br_null(I0, false, Assembler::pn, done); // Use NULL as-is.
2526     __ delayed()->andcc(I0, JNIHandles::weak_tag_mask, G0); // Test for jweak
2527     __ brx(Assembler::zero, true, Assembler::pt, not_weak);
2528     __ delayed()->ld_ptr(I0, 0, I0); // Maybe resolve (untagged) jobject.
2529     // Resolve jweak.
2530     __ ld_ptr(I0, -JNIHandles::weak_tag_value, I0);
2531 #if INCLUDE_ALL_GCS
2532     if (UseG1GC) {
2533       // Copy to O0 because macro doesn't allow pre_val in input reg.
2534       __ mov(I0, O0);
2535       __ g1_write_barrier_pre(noreg /* obj */,
2536                               noreg /* index */,
2537                               0 /* offset */,
2538                               O0 /* pre_val */,
2539                               G3_scratch /* tmp */,
2540                               true /* preserve_o_regs */);
2541     }
2542 #endif // INCLUDE_ALL_GCS
2543     __ bind(not_weak);
2544     __ verify_oop(I0);
2545     __ bind(done);
2546   }
2547 
2548   if (CheckJNICalls) {
2549     // clear_pending_jni_exception_check
2550     __ st_ptr(G0, G2_thread, JavaThread::pending_jni_exception_check_fn_offset());
2551   }
2552 
2553   if (!is_critical_native) {
2554     // reset handle block
2555     __ ld_ptr(G2_thread, in_bytes(JavaThread::active_handles_offset()), L5);
2556     __ st(G0, L5, JNIHandleBlock::top_offset_in_bytes());
2557 
2558     __ ld_ptr(G2_thread, in_bytes(Thread::pending_exception_offset()), G3_scratch);
2559     check_forward_pending_exception(masm, G3_scratch);
2560   }
2561 
2562 
2563   // Return
2564 
2565   __ ret();

2504   }
2505 
2506   // Tell dtrace about this method exit
2507   {
2508     SkipIfEqual skip_if(
2509       masm, G3_scratch, &DTraceMethodProbes, Assembler::zero);
2510     save_native_result(masm, ret_type, stack_slots);
2511     __ set_metadata_constant(method(), O1);
2512     __ call_VM_leaf(L7_thread_cache,
2513        CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit),
2514        G2_thread, O1);
2515     restore_native_result(masm, ret_type, stack_slots);
2516   }
2517 
2518   // Clear "last Java frame" SP and PC.
2519   __ verify_thread(); // G2_thread must be correct
2520   __ reset_last_Java_frame();
2521 
2522   // Unbox oop result, e.g. JNIHandles::resolve value in I0.
2523   if (ret_type == T_OBJECT || ret_type == T_ARRAY) {










2524     __ mov(I0, O0);
2525     __ resolve_jobject(O0, G3_scratch);
2526     __ mov(O0, I0);









2527   }
2528 
2529   if (CheckJNICalls) {
2530     // clear_pending_jni_exception_check
2531     __ st_ptr(G0, G2_thread, JavaThread::pending_jni_exception_check_fn_offset());
2532   }
2533 
2534   if (!is_critical_native) {
2535     // reset handle block
2536     __ ld_ptr(G2_thread, in_bytes(JavaThread::active_handles_offset()), L5);
2537     __ st(G0, L5, JNIHandleBlock::top_offset_in_bytes());
2538 
2539     __ ld_ptr(G2_thread, in_bytes(Thread::pending_exception_offset()), G3_scratch);
2540     check_forward_pending_exception(masm, G3_scratch);
2541   }
2542 
2543 
2544   // Return
2545 
2546   __ ret();