535 // Allocate monitor and lock method (asm interpreter)
536 // rbx, - methodOop
537 //
538 void InterpreterGenerator::lock_method(void) {
539 // synchronize method
540 const Address access_flags (rbx, methodOopDesc::access_flags_offset());
541 const Address monitor_block_top (rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize);
542 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize;
543
544 #ifdef ASSERT
545 { Label L;
546 __ movl(rax, access_flags);
547 __ testl(rax, JVM_ACC_SYNCHRONIZED);
548 __ jcc(Assembler::notZero, L);
549 __ stop("method doesn't need synchronization");
550 __ bind(L);
551 }
552 #endif // ASSERT
553 // get synchronization object
554 { Label done;
555 const int mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes();
556 __ movl(rax, access_flags);
557 __ testl(rax, JVM_ACC_STATIC);
558 __ movptr(rax, Address(rdi, Interpreter::local_offset_in_bytes(0))); // get receiver (assume this is frequent case)
559 __ jcc(Assembler::zero, done);
560 __ movptr(rax, Address(rbx, methodOopDesc::constants_offset()));
561 __ movptr(rax, Address(rax, constantPoolOopDesc::pool_holder_offset_in_bytes()));
562 __ movptr(rax, Address(rax, mirror_offset));
563 __ bind(done);
564 }
565 // add space for monitor & lock
566 __ subptr(rsp, entry_size); // add space for a monitor entry
567 __ movptr(monitor_block_top, rsp); // set new monitor block top
568 __ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); // store object
569 __ mov(rdx, rsp); // object address
570 __ lock_object(rdx);
571 }
572
573 //
574 // Generate a fixed interpreter frame. This is identical setup for interpreted methods
575 // and for native methods hence the shared code.
995 __ bind(L);
996 }
997
998 // call signature handler
999 assert(InterpreterRuntime::SignatureHandlerGenerator::from() == rdi, "adjust this code");
1000 assert(InterpreterRuntime::SignatureHandlerGenerator::to () == rsp, "adjust this code");
1001 assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == t , "adjust this code");
1002 // The generated handlers do not touch RBX (the method oop).
1003 // However, large signatures cannot be cached and are generated
1004 // each time here. The slow-path generator will blow RBX
1005 // sometime, so we must reload it after the call.
1006 __ call(t);
1007 __ get_method(method); // slow path call blows RBX on DevStudio 5.0
1008
1009 // result handler is in rax,
1010 // set result handler
1011 __ movptr(Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize), rax);
1012
1013 // pass mirror handle if static call
1014 { Label L;
1015 const int mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes();
1016 __ movl(t, Address(method, methodOopDesc::access_flags_offset()));
1017 __ testl(t, JVM_ACC_STATIC);
1018 __ jcc(Assembler::zero, L);
1019 // get mirror
1020 __ movptr(t, Address(method, methodOopDesc:: constants_offset()));
1021 __ movptr(t, Address(t, constantPoolOopDesc::pool_holder_offset_in_bytes()));
1022 __ movptr(t, Address(t, mirror_offset));
1023 // copy mirror into activation frame
1024 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), t);
1025 // pass handle to mirror
1026 __ lea(t, Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize));
1027 __ movptr(Address(rsp, wordSize), t);
1028 __ bind(L);
1029 }
1030
1031 // get native function entry point
1032 { Label L;
1033 __ movptr(rax, Address(method, methodOopDesc::native_function_offset()));
1034 ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry());
1035 __ cmpptr(rax, unsatisfied.addr());
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535 // Allocate monitor and lock method (asm interpreter)
536 // rbx, - methodOop
537 //
538 void InterpreterGenerator::lock_method(void) {
539 // synchronize method
540 const Address access_flags (rbx, methodOopDesc::access_flags_offset());
541 const Address monitor_block_top (rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize);
542 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize;
543
544 #ifdef ASSERT
545 { Label L;
546 __ movl(rax, access_flags);
547 __ testl(rax, JVM_ACC_SYNCHRONIZED);
548 __ jcc(Assembler::notZero, L);
549 __ stop("method doesn't need synchronization");
550 __ bind(L);
551 }
552 #endif // ASSERT
553 // get synchronization object
554 { Label done;
555 const int mirror_offset = in_bytes(Klass::java_mirror_offset());
556 __ movl(rax, access_flags);
557 __ testl(rax, JVM_ACC_STATIC);
558 __ movptr(rax, Address(rdi, Interpreter::local_offset_in_bytes(0))); // get receiver (assume this is frequent case)
559 __ jcc(Assembler::zero, done);
560 __ movptr(rax, Address(rbx, methodOopDesc::constants_offset()));
561 __ movptr(rax, Address(rax, constantPoolOopDesc::pool_holder_offset_in_bytes()));
562 __ movptr(rax, Address(rax, mirror_offset));
563 __ bind(done);
564 }
565 // add space for monitor & lock
566 __ subptr(rsp, entry_size); // add space for a monitor entry
567 __ movptr(monitor_block_top, rsp); // set new monitor block top
568 __ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); // store object
569 __ mov(rdx, rsp); // object address
570 __ lock_object(rdx);
571 }
572
573 //
574 // Generate a fixed interpreter frame. This is identical setup for interpreted methods
575 // and for native methods hence the shared code.
995 __ bind(L);
996 }
997
998 // call signature handler
999 assert(InterpreterRuntime::SignatureHandlerGenerator::from() == rdi, "adjust this code");
1000 assert(InterpreterRuntime::SignatureHandlerGenerator::to () == rsp, "adjust this code");
1001 assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == t , "adjust this code");
1002 // The generated handlers do not touch RBX (the method oop).
1003 // However, large signatures cannot be cached and are generated
1004 // each time here. The slow-path generator will blow RBX
1005 // sometime, so we must reload it after the call.
1006 __ call(t);
1007 __ get_method(method); // slow path call blows RBX on DevStudio 5.0
1008
1009 // result handler is in rax,
1010 // set result handler
1011 __ movptr(Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize), rax);
1012
1013 // pass mirror handle if static call
1014 { Label L;
1015 const int mirror_offset = in_bytes(Klass::java_mirror_offset());
1016 __ movl(t, Address(method, methodOopDesc::access_flags_offset()));
1017 __ testl(t, JVM_ACC_STATIC);
1018 __ jcc(Assembler::zero, L);
1019 // get mirror
1020 __ movptr(t, Address(method, methodOopDesc:: constants_offset()));
1021 __ movptr(t, Address(t, constantPoolOopDesc::pool_holder_offset_in_bytes()));
1022 __ movptr(t, Address(t, mirror_offset));
1023 // copy mirror into activation frame
1024 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), t);
1025 // pass handle to mirror
1026 __ lea(t, Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize));
1027 __ movptr(Address(rsp, wordSize), t);
1028 __ bind(L);
1029 }
1030
1031 // get native function entry point
1032 { Label L;
1033 __ movptr(rax, Address(method, methodOopDesc::native_function_offset()));
1034 ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry());
1035 __ cmpptr(rax, unsatisfied.addr());
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