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comparison src/cpu/x86/vm/templateInterpreter_x86_64.cpp @ 9046:c6a1ffc707ff

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Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 12 Apr 2013 17:22:54 +0200
parents ff5a32117e02
children 836a62f43af9
comparison
equal deleted inserted replaced
9030:9a3e25e270a0 9046:c6a1ffc707ff
871 // If G1 is not enabled then attempt to go through the accessor entry point 871 // If G1 is not enabled then attempt to go through the accessor entry point
872 // Reference.get is an accessor 872 // Reference.get is an accessor
873 return generate_accessor_entry(); 873 return generate_accessor_entry();
874 } 874 }
875 875
876 #ifdef GRAAL
877
876 // Interpreter stub for calling a compiled method with 3 object arguments 878 // Interpreter stub for calling a compiled method with 3 object arguments
877 address InterpreterGenerator::generate_execute_compiled_method_entry() { 879 address InterpreterGenerator::generate_execute_compiled_method_entry() {
878 address entry_point = __ pc(); 880 address entry_point = __ pc();
879 881
880 // Pick up the return address 882 // Pick up the return address
889 891
890 // push the return address and misalign the stack that youngest frame always sees 892 // push the return address and misalign the stack that youngest frame always sees
891 // as far as the placement of the call instruction 893 // as far as the placement of the call instruction
892 __ push(rax); 894 __ push(rax);
893 895
896 // Move first object argument from interpreter calling convention to compiled
897 // code calling convention.
894 __ movq(j_rarg0, Address(r11, Interpreter::stackElementSize*5)); 898 __ movq(j_rarg0, Address(r11, Interpreter::stackElementSize*5));
899
900 // Move second object argument.
895 __ movq(j_rarg1, Address(r11, Interpreter::stackElementSize*4)); 901 __ movq(j_rarg1, Address(r11, Interpreter::stackElementSize*4));
902
903 // Move third object argument.
896 __ movq(j_rarg2, Address(r11, Interpreter::stackElementSize*3)); 904 __ movq(j_rarg2, Address(r11, Interpreter::stackElementSize*3));
905
906 // Load the raw pointer to the nmethod.
897 __ movq(j_rarg3, Address(r11, Interpreter::stackElementSize)); 907 __ movq(j_rarg3, Address(r11, Interpreter::stackElementSize));
908
909 // Perform a tail call to the verified entry point of the nmethod.
898 __ jmp(Address(j_rarg3, nmethod::verified_entry_point_offset())); 910 __ jmp(Address(j_rarg3, nmethod::verified_entry_point_offset()));
911
899 return entry_point; 912 return entry_point;
900 } 913 }
914
915 #endif
901 916
902 // Interpreter stub for calling a native method. (asm interpreter) 917 // Interpreter stub for calling a native method. (asm interpreter)
903 // This sets up a somewhat different looking stack for calling the 918 // This sets up a somewhat different looking stack for calling the
904 // native method than the typical interpreter frame setup. 919 // native method than the typical interpreter frame setup.
905 address InterpreterGenerator::generate_native_entry(bool synchronized) { 920 address InterpreterGenerator::generate_native_entry(bool synchronized) {
1584 address entry_point = NULL; 1599 address entry_point = NULL;
1585 1600
1586 switch (kind) { 1601 switch (kind) {
1587 case Interpreter::zerolocals : break; 1602 case Interpreter::zerolocals : break;
1588 case Interpreter::zerolocals_synchronized: synchronized = true; break; 1603 case Interpreter::zerolocals_synchronized: synchronized = true; break;
1604 #ifdef GRAAL
1589 case Interpreter::execute_compiled_method: entry_point = ((InterpreterGenerator*)this)->generate_execute_compiled_method_entry(); break; 1605 case Interpreter::execute_compiled_method: entry_point = ((InterpreterGenerator*)this)->generate_execute_compiled_method_entry(); break;
1606 #endif
1590 case Interpreter::native : entry_point = ((InterpreterGenerator*)this)->generate_native_entry(false); break; 1607 case Interpreter::native : entry_point = ((InterpreterGenerator*)this)->generate_native_entry(false); break;
1591 case Interpreter::native_synchronized : entry_point = ((InterpreterGenerator*)this)->generate_native_entry(true); break; 1608 case Interpreter::native_synchronized : entry_point = ((InterpreterGenerator*)this)->generate_native_entry(true); break;
1592 case Interpreter::empty : entry_point = ((InterpreterGenerator*)this)->generate_empty_entry(); break; 1609 case Interpreter::empty : entry_point = ((InterpreterGenerator*)this)->generate_empty_entry(); break;
1593 case Interpreter::accessor : entry_point = ((InterpreterGenerator*)this)->generate_accessor_entry(); break; 1610 case Interpreter::accessor : entry_point = ((InterpreterGenerator*)this)->generate_accessor_entry(); break;
1594 case Interpreter::abstract : entry_point = ((InterpreterGenerator*)this)->generate_abstract_entry(); break; 1611 case Interpreter::abstract : entry_point = ((InterpreterGenerator*)this)->generate_abstract_entry(); break;