3769 // do the call 3770 __ profile_call(rax); 3771 __ profile_arguments_type(rax, rbx, rbcp, false); 3772 __ jump_from_interpreted(rbx, rax); 3773 } 3774 3775 3776 void TemplateTable::fast_invokevfinal(int byte_no) { 3777 transition(vtos, vtos); 3778 assert(byte_no == f2_byte, "use this argument"); 3779 __ stop("fast_invokevfinal not used on x86"); 3780 } 3781 3782 3783 void TemplateTable::invokeinterface(int byte_no) { 3784 transition(vtos, vtos); 3785 assert(byte_no == f1_byte, "use this argument"); 3786 prepare_invoke(byte_no, rax, rbx, // get f1 Klass*, f2 Method* 3787 rcx, rdx); // recv, flags 3788 3789 // rax: reference klass (from f1) 3790 // rbx: method (from f2) 3791 // rcx: receiver 3792 // rdx: flags 3793 3794 // Special case of invokeinterface called for virtual method of 3795 // java.lang.Object. See cpCacheOop.cpp for details. 3796 // This code isn't produced by javac, but could be produced by 3797 // another compliant java compiler. 3798 Label notMethod; 3799 __ movl(rlocals, rdx); 3800 __ andl(rlocals, (1 << ConstantPoolCacheEntry::is_forced_virtual_shift)); 3801 3802 __ jcc(Assembler::zero, notMethod); 3803 3804 invokevirtual_helper(rbx, rcx, rdx); 3805 __ bind(notMethod); 3806 3807 // Get receiver klass into rdx - also a null check 3808 __ restore_locals(); // restore r14 3809 __ null_check(rcx, oopDesc::klass_offset_in_bytes()); 3810 __ load_klass(rdx, rcx); 3811 3812 Label no_such_interface, no_such_method; 3813 3814 // Preserve method for throw_AbstractMethodErrorVerbose. 3815 __ mov(rcx, rbx); 3816 // Receiver subtype check against REFC. 3817 // Superklass in rax. Subklass in rdx. Blows rcx, rdi. 3818 __ lookup_interface_method(// inputs: rec. class, interface, itable index 3819 rdx, rax, noreg, 3820 // outputs: scan temp. reg, scan temp. reg 3821 rbcp, rlocals, 3822 no_such_interface, 3823 /*return_method=*/false); 3824 3825 // profile this call 3826 __ restore_bcp(); // rbcp was destroyed by receiver type check 3827 __ profile_virtual_call(rdx, rbcp, rlocals); 3828 3829 // Get declaring interface class from method, and itable index 3830 __ movptr(rax, Address(rbx, Method::const_offset())); 3831 __ movptr(rax, Address(rax, ConstMethod::constants_offset())); 3832 __ movptr(rax, Address(rax, ConstantPool::pool_holder_offset_in_bytes())); 3854 __ profile_called_method(rbx, rbcp, rdx); 3855 __ profile_arguments_type(rdx, rbx, rbcp, true); 3856 3857 // do the call 3858 // rcx: receiver 3859 // rbx,: Method* 3860 __ jump_from_interpreted(rbx, rdx); 3861 __ should_not_reach_here(); 3862 3863 // exception handling code follows... 3864 // note: must restore interpreter registers to canonical 3865 // state for exception handling to work correctly! 3866 3867 __ bind(no_such_method); 3868 // throw exception 3869 __ pop(rbx); // pop return address (pushed by prepare_invoke) 3870 __ restore_bcp(); // rbcp must be correct for exception handler (was destroyed) 3871 __ restore_locals(); // make sure locals pointer is correct as well (was destroyed) 3872 // Pass arguments for generating a verbose error message. 3873 #ifdef _LP64 3874 Register recvKlass = c_rarg1; 3875 Register method = c_rarg2; 3876 if (recvKlass != rdx) { __ movq(recvKlass, rdx); } 3877 if (method != rcx) { __ movq(method, rcx); } 3878 #else 3879 Register recvKlass = rdx; 3880 Register method = rcx; 3881 #endif 3882 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodErrorVerbose), 3883 recvKlass, method); 3884 // The call_VM checks for exception, so we should never return here. 3885 __ should_not_reach_here(); 3886 3887 __ bind(no_such_interface); 3888 // throw exception 3889 __ pop(rbx); // pop return address (pushed by prepare_invoke) 3890 __ restore_bcp(); // rbcp must be correct for exception handler (was destroyed) 3891 __ restore_locals(); // make sure locals pointer is correct as well (was destroyed) 3892 // Pass arguments for generating a verbose error message. 3893 LP64_ONLY( if (recvKlass != rdx) { __ movq(recvKlass, rdx); } ) 3894 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeErrorVerbose), 3895 recvKlass, rax); 3896 // the call_VM checks for exception, so we should never return here. 3897 __ should_not_reach_here(); 3898 } 3899 | 3769 // do the call 3770 __ profile_call(rax); 3771 __ profile_arguments_type(rax, rbx, rbcp, false); 3772 __ jump_from_interpreted(rbx, rax); 3773 } 3774 3775 3776 void TemplateTable::fast_invokevfinal(int byte_no) { 3777 transition(vtos, vtos); 3778 assert(byte_no == f2_byte, "use this argument"); 3779 __ stop("fast_invokevfinal not used on x86"); 3780 } 3781 3782 3783 void TemplateTable::invokeinterface(int byte_no) { 3784 transition(vtos, vtos); 3785 assert(byte_no == f1_byte, "use this argument"); 3786 prepare_invoke(byte_no, rax, rbx, // get f1 Klass*, f2 Method* 3787 rcx, rdx); // recv, flags 3788 3789 // rax: reference klass (from f1) if interface method 3790 // rbx: method (from f2) 3791 // rcx: receiver 3792 // rdx: flags 3793 3794 // First check for Object case, then private interface method, 3795 // then regular interface method. 3796 3797 // Special case of invokeinterface called for virtual method of 3798 // java.lang.Object. See cpCache.cpp for details. 3799 Label notObjectMethod; 3800 __ movl(rlocals, rdx); 3801 __ andl(rlocals, (1 << ConstantPoolCacheEntry::is_forced_virtual_shift)); 3802 __ jcc(Assembler::zero, notObjectMethod); 3803 invokevirtual_helper(rbx, rcx, rdx); 3804 // no return from above 3805 __ bind(notObjectMethod); 3806 3807 Label no_such_interface; // for receiver subtype check 3808 Register recvKlass; // used for exception processing 3809 3810 // Check for private method invocation - indicated by vfinal 3811 Label notVFinal; 3812 __ movl(rlocals, rdx); 3813 __ andl(rlocals, (1 << ConstantPoolCacheEntry::is_vfinal_shift)); 3814 __ jcc(Assembler::zero, notVFinal); 3815 3816 // Get receiver klass into rlocals - also a null check 3817 __ null_check(rcx, oopDesc::klass_offset_in_bytes()); 3818 __ load_klass(rlocals, rcx); 3819 3820 Label subtype; 3821 __ check_klass_subtype(rlocals, rax, rbcp, subtype); 3822 // If we get here the typecheck failed 3823 recvKlass = rdx; 3824 __ mov(recvKlass, rlocals); // shuffle receiver class for exception use 3825 __ jmp(no_such_interface); 3826 3827 __ bind(subtype); 3828 3829 // do the call - rbx is actually the method to call 3830 3831 __ profile_final_call(rdx); 3832 __ profile_arguments_type(rdx, rbx, rbcp, true); 3833 3834 __ jump_from_interpreted(rbx, rdx); 3835 // no return from above 3836 __ bind(notVFinal); 3837 3838 // Get receiver klass into rdx - also a null check 3839 __ restore_locals(); // restore r14 3840 __ null_check(rcx, oopDesc::klass_offset_in_bytes()); 3841 __ load_klass(rdx, rcx); 3842 3843 Label no_such_method; 3844 3845 // Preserve method for throw_AbstractMethodErrorVerbose. 3846 __ mov(rcx, rbx); 3847 // Receiver subtype check against REFC. 3848 // Superklass in rax. Subklass in rdx. Blows rcx, rdi. 3849 __ lookup_interface_method(// inputs: rec. class, interface, itable index 3850 rdx, rax, noreg, 3851 // outputs: scan temp. reg, scan temp. reg 3852 rbcp, rlocals, 3853 no_such_interface, 3854 /*return_method=*/false); 3855 3856 // profile this call 3857 __ restore_bcp(); // rbcp was destroyed by receiver type check 3858 __ profile_virtual_call(rdx, rbcp, rlocals); 3859 3860 // Get declaring interface class from method, and itable index 3861 __ movptr(rax, Address(rbx, Method::const_offset())); 3862 __ movptr(rax, Address(rax, ConstMethod::constants_offset())); 3863 __ movptr(rax, Address(rax, ConstantPool::pool_holder_offset_in_bytes())); 3885 __ profile_called_method(rbx, rbcp, rdx); 3886 __ profile_arguments_type(rdx, rbx, rbcp, true); 3887 3888 // do the call 3889 // rcx: receiver 3890 // rbx,: Method* 3891 __ jump_from_interpreted(rbx, rdx); 3892 __ should_not_reach_here(); 3893 3894 // exception handling code follows... 3895 // note: must restore interpreter registers to canonical 3896 // state for exception handling to work correctly! 3897 3898 __ bind(no_such_method); 3899 // throw exception 3900 __ pop(rbx); // pop return address (pushed by prepare_invoke) 3901 __ restore_bcp(); // rbcp must be correct for exception handler (was destroyed) 3902 __ restore_locals(); // make sure locals pointer is correct as well (was destroyed) 3903 // Pass arguments for generating a verbose error message. 3904 #ifdef _LP64 3905 recvKlass = c_rarg1; 3906 Register method = c_rarg2; 3907 if (recvKlass != rdx) { __ movq(recvKlass, rdx); } 3908 if (method != rcx) { __ movq(method, rcx); } 3909 #else 3910 recvKlass = rdx; 3911 Register method = rcx; 3912 #endif 3913 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodErrorVerbose), 3914 recvKlass, method); 3915 // The call_VM checks for exception, so we should never return here. 3916 __ should_not_reach_here(); 3917 3918 __ bind(no_such_interface); 3919 // throw exception 3920 __ pop(rbx); // pop return address (pushed by prepare_invoke) 3921 __ restore_bcp(); // rbcp must be correct for exception handler (was destroyed) 3922 __ restore_locals(); // make sure locals pointer is correct as well (was destroyed) 3923 // Pass arguments for generating a verbose error message. 3924 LP64_ONLY( if (recvKlass != rdx) { __ movq(recvKlass, rdx); } ) 3925 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeErrorVerbose), 3926 recvKlass, rax); 3927 // the call_VM checks for exception, so we should never return here. 3928 __ should_not_reach_here(); 3929 } 3930 |