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comparison src/cpu/x86/vm/cppInterpreter_x86.cpp @ 625:2f2f54ed12ce

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Merge
author kvn
date Tue, 10 Mar 2009 08:52:16 -0700
parents 56aae7be60d4
children 7bb995fbd3c0
comparison
equal deleted inserted replaced
620:bcedf688d882 625:2f2f54ed12ce
511 __ movptr(STATE(_stack), rsp); // set current expression stack tos 511 __ movptr(STATE(_stack), rsp); // set current expression stack tos
512 512
513 // compute full expression stack limit 513 // compute full expression stack limit
514 514
515 const Address size_of_stack (rbx, methodOopDesc::max_stack_offset()); 515 const Address size_of_stack (rbx, methodOopDesc::max_stack_offset());
516 __ load_unsigned_word(rdx, size_of_stack); // get size of expression stack in words 516 __ load_unsigned_short(rdx, size_of_stack); // get size of expression stack in words
517 __ negptr(rdx); // so we can subtract in next step 517 __ negptr(rdx); // so we can subtract in next step
518 // Allocate expression stack 518 // Allocate expression stack
519 __ lea(rsp, Address(rsp, rdx, Address::times_ptr)); 519 __ lea(rsp, Address(rsp, rdx, Address::times_ptr));
520 __ movptr(STATE(_stack_limit), rsp); 520 __ movptr(STATE(_stack_limit), rsp);
521 } 521 }
657 // locals + overhead, in bytes 657 // locals + overhead, in bytes
658 const Address size_of_stack (rbx, methodOopDesc::max_stack_offset()); 658 const Address size_of_stack (rbx, methodOopDesc::max_stack_offset());
659 // Always give one monitor to allow us to start interp if sync method. 659 // Always give one monitor to allow us to start interp if sync method.
660 // Any additional monitors need a check when moving the expression stack 660 // Any additional monitors need a check when moving the expression stack
661 const int one_monitor = frame::interpreter_frame_monitor_size() * wordSize; 661 const int one_monitor = frame::interpreter_frame_monitor_size() * wordSize;
662 __ load_unsigned_word(rax, size_of_stack); // get size of expression stack in words 662 __ load_unsigned_short(rax, size_of_stack); // get size of expression stack in words
663 __ lea(rax, Address(noreg, rax, Interpreter::stackElementScale(), one_monitor)); 663 __ lea(rax, Address(noreg, rax, Interpreter::stackElementScale(), one_monitor));
664 __ lea(rax, Address(rax, rdx, Interpreter::stackElementScale(), overhead_size)); 664 __ lea(rax, Address(rax, rdx, Interpreter::stackElementScale(), overhead_size));
665 665
666 #ifdef ASSERT 666 #ifdef ASSERT
667 Label stack_base_okay, stack_size_okay; 667 Label stack_base_okay, stack_size_okay;
861 __ jmp(xreturn_path); 861 __ jmp(xreturn_path);
862 862
863 __ bind(notByte); 863 __ bind(notByte);
864 __ cmpl(rdx, stos); 864 __ cmpl(rdx, stos);
865 __ jcc(Assembler::notEqual, notShort); 865 __ jcc(Assembler::notEqual, notShort);
866 __ load_signed_word(rax, field_address); 866 __ load_signed_short(rax, field_address);
867 __ jmp(xreturn_path); 867 __ jmp(xreturn_path);
868 868
869 __ bind(notShort); 869 __ bind(notShort);
870 __ cmpl(rdx, ctos); 870 __ cmpl(rdx, ctos);
871 __ jcc(Assembler::notEqual, notChar); 871 __ jcc(Assembler::notEqual, notChar);
872 __ load_unsigned_word(rax, field_address); 872 __ load_unsigned_short(rax, field_address);
873 __ jmp(xreturn_path); 873 __ jmp(xreturn_path);
874 874
875 __ bind(notChar); 875 __ bind(notChar);
876 #ifdef ASSERT 876 #ifdef ASSERT
877 Label okay; 877 Label okay;
935 935
936 // rsi/r13 == state/locals rdi == prevstate 936 // rsi/r13 == state/locals rdi == prevstate
937 const Register locals = rdi; 937 const Register locals = rdi;
938 938
939 // get parameter size (always needed) 939 // get parameter size (always needed)
940 __ load_unsigned_word(rcx, size_of_parameters); 940 __ load_unsigned_short(rcx, size_of_parameters);
941 941
942 // rbx: methodOop 942 // rbx: methodOop
943 // rcx: size of parameters 943 // rcx: size of parameters
944 __ pop(rax); // get return address 944 __ pop(rax); // get return address
945 // for natives the size of locals is zero 945 // for natives the size of locals is zero
1060 const Register t = InterpreterRuntime::SignatureHandlerGenerator::temp(); // rcx|rscratch1 1060 const Register t = InterpreterRuntime::SignatureHandlerGenerator::temp(); // rcx|rscratch1
1061 1061
1062 // allocate space for parameters 1062 // allocate space for parameters
1063 __ movptr(method, STATE(_method)); 1063 __ movptr(method, STATE(_method));
1064 __ verify_oop(method); 1064 __ verify_oop(method);
1065 __ load_unsigned_word(t, Address(method, methodOopDesc::size_of_parameters_offset())); 1065 __ load_unsigned_short(t, Address(method, methodOopDesc::size_of_parameters_offset()));
1066 __ shll(t, 2); 1066 __ shll(t, 2);
1067 #ifdef _LP64 1067 #ifdef _LP64
1068 __ subptr(rsp, t); 1068 __ subptr(rsp, t);
1069 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows 1069 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows
1070 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) 1070 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI)
1657 // const Address monitor_block_top (rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize); 1657 // const Address monitor_block_top (rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize);
1658 // const Address monitor_block_bot (rbp, frame::interpreter_frame_initial_sp_offset * wordSize); 1658 // const Address monitor_block_bot (rbp, frame::interpreter_frame_initial_sp_offset * wordSize);
1659 // const Address monitor(rbp, frame::interpreter_frame_initial_sp_offset * wordSize - (int)sizeof(BasicObjectLock)); 1659 // const Address monitor(rbp, frame::interpreter_frame_initial_sp_offset * wordSize - (int)sizeof(BasicObjectLock));
1660 1660
1661 // get parameter size (always needed) 1661 // get parameter size (always needed)
1662 __ load_unsigned_word(rcx, size_of_parameters); 1662 __ load_unsigned_short(rcx, size_of_parameters);
1663 1663
1664 // rbx: methodOop 1664 // rbx: methodOop
1665 // rcx: size of parameters 1665 // rcx: size of parameters
1666 __ load_unsigned_word(rdx, size_of_locals); // get size of locals in words 1666 __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words
1667 1667
1668 __ subptr(rdx, rcx); // rdx = no. of additional locals 1668 __ subptr(rdx, rcx); // rdx = no. of additional locals
1669 1669
1670 // see if we've got enough room on the stack for locals plus overhead. 1670 // see if we've got enough room on the stack for locals plus overhead.
1671 generate_stack_overflow_check(); // C++ 1671 generate_stack_overflow_check(); // C++
1947 1947
1948 // get method just executed 1948 // get method just executed
1949 __ movptr(rbx, STATE(_result._to_call._callee)); 1949 __ movptr(rbx, STATE(_result._to_call._callee));
1950 1950
1951 // callee left args on top of expression stack, remove them 1951 // callee left args on top of expression stack, remove them
1952 __ load_unsigned_word(rcx, Address(rbx, methodOopDesc::size_of_parameters_offset())); 1952 __ load_unsigned_short(rcx, Address(rbx, methodOopDesc::size_of_parameters_offset()));
1953 __ lea(rsp, Address(rsp, rcx, Address::times_ptr)); 1953 __ lea(rsp, Address(rsp, rcx, Address::times_ptr));
1954 1954
1955 __ movl(rcx, Address(rbx, methodOopDesc::result_index_offset())); 1955 __ movl(rcx, Address(rbx, methodOopDesc::result_index_offset()));
1956 ExternalAddress tosca_to_stack((address)CppInterpreter::_tosca_to_stack); 1956 ExternalAddress tosca_to_stack((address)CppInterpreter::_tosca_to_stack);
1957 // Address index(noreg, rax, Address::times_ptr); 1957 // Address index(noreg, rax, Address::times_ptr);
2117 // don't need a return address if reinvoking interpreter 2117 // don't need a return address if reinvoking interpreter
2118 2118
2119 // Make it look like call_stub calling conventions 2119 // Make it look like call_stub calling conventions
2120 2120
2121 // Get (potential) receiver 2121 // Get (potential) receiver
2122 __ load_unsigned_word(rcx, size_of_parameters); // get size of parameters in words 2122 __ load_unsigned_short(rcx, size_of_parameters); // get size of parameters in words
2123 2123
2124 ExternalAddress recursive(CAST_FROM_FN_PTR(address, RecursiveInterpreterActivation)); 2124 ExternalAddress recursive(CAST_FROM_FN_PTR(address, RecursiveInterpreterActivation));
2125 __ pushptr(recursive.addr()); // make it look good in the debugger 2125 __ pushptr(recursive.addr()); // make it look good in the debugger
2126 2126
2127 InternalAddress entry(entry_point); 2127 InternalAddress entry(entry_point);