Mercurial > hg > truffle
comparison src/cpu/x86/vm/cppInterpreter_x86.cpp @ 7458:4daebd4cc1dd
Merge
author | minqi |
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date | Mon, 24 Dec 2012 11:46:38 -0800 |
parents | fd74228fd5ca |
children | db9981fd3124 |
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7457:35431a769282 | 7458:4daebd4cc1dd |
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609 // rsp - sender_sp | 609 // rsp - sender_sp |
610 | 610 |
611 // C++ interpreter only | 611 // C++ interpreter only |
612 // rsi/r13 - previous interpreter state pointer | 612 // rsi/r13 - previous interpreter state pointer |
613 | 613 |
614 const Address size_of_parameters(rbx, Method::size_of_parameters_offset()); | |
615 | |
616 // InterpreterRuntime::frequency_counter_overflow takes one argument | 614 // InterpreterRuntime::frequency_counter_overflow takes one argument |
617 // indicating if the counter overflow occurs at a backwards branch (non-NULL bcp). | 615 // indicating if the counter overflow occurs at a backwards branch (non-NULL bcp). |
618 // The call returns the address of the verified entry point for the method or NULL | 616 // The call returns the address of the verified entry point for the method or NULL |
619 // if the compilation did not complete (either went background or bailed out). | 617 // if the compilation did not complete (either went background or bailed out). |
620 __ movptr(rax, (int32_t)false); | 618 __ movptr(rax, (int32_t)false); |
975 // rsi/r13: previous interpreter state (if called from C++ interpreter) must preserve | 973 // rsi/r13: previous interpreter state (if called from C++ interpreter) must preserve |
976 // in any case. If called via c1/c2/call_stub rsi/r13 is junk (to use) but harmless | 974 // in any case. If called via c1/c2/call_stub rsi/r13 is junk (to use) but harmless |
977 // to save/restore. | 975 // to save/restore. |
978 address entry_point = __ pc(); | 976 address entry_point = __ pc(); |
979 | 977 |
980 const Address size_of_parameters(rbx, Method::size_of_parameters_offset()); | 978 const Address constMethod (rbx, Method::const_offset()); |
981 const Address size_of_locals (rbx, Method::size_of_locals_offset()); | |
982 const Address invocation_counter(rbx, Method::invocation_counter_offset() + InvocationCounter::counter_offset()); | 979 const Address invocation_counter(rbx, Method::invocation_counter_offset() + InvocationCounter::counter_offset()); |
983 const Address access_flags (rbx, Method::access_flags_offset()); | 980 const Address access_flags (rbx, Method::access_flags_offset()); |
981 const Address size_of_parameters(rcx, ConstMethod::size_of_parameters_offset()); | |
984 | 982 |
985 // rsi/r13 == state/locals rdi == prevstate | 983 // rsi/r13 == state/locals rdi == prevstate |
986 const Register locals = rdi; | 984 const Register locals = rdi; |
987 | 985 |
988 // get parameter size (always needed) | 986 // get parameter size (always needed) |
987 __ movptr(rcx, constMethod); | |
989 __ load_unsigned_short(rcx, size_of_parameters); | 988 __ load_unsigned_short(rcx, size_of_parameters); |
990 | 989 |
991 // rbx: Method* | 990 // rbx: Method* |
992 // rcx: size of parameters | 991 // rcx: size of parameters |
993 __ pop(rax); // get return address | 992 __ pop(rax); // get return address |
994 // for natives the size of locals is zero | 993 // for natives the size of locals is zero |
995 | 994 |
996 // compute beginning of parameters /locals | 995 // compute beginning of parameters /locals |
996 | |
997 __ lea(locals, Address(rsp, rcx, Address::times_ptr, -wordSize)); | 997 __ lea(locals, Address(rsp, rcx, Address::times_ptr, -wordSize)); |
998 | 998 |
999 // initialize fixed part of activation frame | 999 // initialize fixed part of activation frame |
1000 | 1000 |
1001 // Assumes rax = return address | 1001 // Assumes rax = return address |
1105 | 1105 |
1106 // work registers | 1106 // work registers |
1107 const Register method = rbx; | 1107 const Register method = rbx; |
1108 const Register thread = LP64_ONLY(r15_thread) NOT_LP64(rdi); | 1108 const Register thread = LP64_ONLY(r15_thread) NOT_LP64(rdi); |
1109 const Register t = InterpreterRuntime::SignatureHandlerGenerator::temp(); // rcx|rscratch1 | 1109 const Register t = InterpreterRuntime::SignatureHandlerGenerator::temp(); // rcx|rscratch1 |
1110 const Address constMethod (method, Method::const_offset()); | |
1111 const Address size_of_parameters(t, ConstMethod::size_of_parameters_offset()); | |
1110 | 1112 |
1111 // allocate space for parameters | 1113 // allocate space for parameters |
1112 __ movptr(method, STATE(_method)); | 1114 __ movptr(method, STATE(_method)); |
1113 __ verify_method_ptr(method); | 1115 __ verify_method_ptr(method); |
1114 __ load_unsigned_short(t, Address(method, Method::size_of_parameters_offset())); | 1116 __ movptr(t, constMethod); |
1117 __ load_unsigned_short(t, size_of_parameters); | |
1115 __ shll(t, 2); | 1118 __ shll(t, 2); |
1116 #ifdef _LP64 | 1119 #ifdef _LP64 |
1117 __ subptr(rsp, t); | 1120 __ subptr(rsp, t); |
1118 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | 1121 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
1119 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) | 1122 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
1698 __ bind(dispatch_entry_2); | 1701 __ bind(dispatch_entry_2); |
1699 | 1702 |
1700 // save sender sp | 1703 // save sender sp |
1701 __ push(rcx); | 1704 __ push(rcx); |
1702 | 1705 |
1703 const Address size_of_parameters(rbx, Method::size_of_parameters_offset()); | 1706 const Address constMethod (rbx, Method::const_offset()); |
1704 const Address size_of_locals (rbx, Method::size_of_locals_offset()); | |
1705 const Address access_flags (rbx, Method::access_flags_offset()); | 1707 const Address access_flags (rbx, Method::access_flags_offset()); |
1708 const Address size_of_parameters(rdx, ConstMethod::size_of_parameters_offset()); | |
1709 const Address size_of_locals (rdx, ConstMethod::size_of_locals_offset()); | |
1706 | 1710 |
1707 // const Address monitor_block_top (rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize); | 1711 // const Address monitor_block_top (rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize); |
1708 // const Address monitor_block_bot (rbp, frame::interpreter_frame_initial_sp_offset * wordSize); | 1712 // const Address monitor_block_bot (rbp, frame::interpreter_frame_initial_sp_offset * wordSize); |
1709 // const Address monitor(rbp, frame::interpreter_frame_initial_sp_offset * wordSize - (int)sizeof(BasicObjectLock)); | 1713 // const Address monitor(rbp, frame::interpreter_frame_initial_sp_offset * wordSize - (int)sizeof(BasicObjectLock)); |
1710 | 1714 |
1711 // get parameter size (always needed) | 1715 // get parameter size (always needed) |
1716 __ movptr(rdx, constMethod); | |
1712 __ load_unsigned_short(rcx, size_of_parameters); | 1717 __ load_unsigned_short(rcx, size_of_parameters); |
1713 | 1718 |
1714 // rbx: Method* | 1719 // rbx: Method* |
1715 // rcx: size of parameters | 1720 // rcx: size of parameters |
1716 __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words | 1721 __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
1987 | 1992 |
1988 // get method just executed | 1993 // get method just executed |
1989 __ movptr(rbx, STATE(_result._to_call._callee)); | 1994 __ movptr(rbx, STATE(_result._to_call._callee)); |
1990 | 1995 |
1991 // callee left args on top of expression stack, remove them | 1996 // callee left args on top of expression stack, remove them |
1992 __ load_unsigned_short(rcx, Address(rbx, Method::size_of_parameters_offset())); | 1997 __ movptr(rcx, constMethod); |
1998 __ load_unsigned_short(rcx, Address(rcx, ConstMethod::size_of_parameters_offset())); | |
1999 | |
1993 __ lea(rsp, Address(rsp, rcx, Address::times_ptr)); | 2000 __ lea(rsp, Address(rsp, rcx, Address::times_ptr)); |
1994 | 2001 |
1995 __ movl(rcx, Address(rbx, Method::result_index_offset())); | 2002 __ movl(rcx, Address(rbx, Method::result_index_offset())); |
1996 ExternalAddress tosca_to_stack((address)CppInterpreter::_tosca_to_stack); | 2003 ExternalAddress tosca_to_stack((address)CppInterpreter::_tosca_to_stack); |
1997 // Address index(noreg, rax, Address::times_ptr); | 2004 // Address index(noreg, rax, Address::times_ptr); |
2157 // don't need a return address if reinvoking interpreter | 2164 // don't need a return address if reinvoking interpreter |
2158 | 2165 |
2159 // Make it look like call_stub calling conventions | 2166 // Make it look like call_stub calling conventions |
2160 | 2167 |
2161 // Get (potential) receiver | 2168 // Get (potential) receiver |
2162 __ load_unsigned_short(rcx, size_of_parameters); // get size of parameters in words | 2169 // get size of parameters in words |
2170 __ movptr(rcx, constMethod); | |
2171 __ load_unsigned_short(rcx, Address(rcx, ConstMethod::size_of_parameters_offset())); | |
2163 | 2172 |
2164 ExternalAddress recursive(CAST_FROM_FN_PTR(address, RecursiveInterpreterActivation)); | 2173 ExternalAddress recursive(CAST_FROM_FN_PTR(address, RecursiveInterpreterActivation)); |
2165 __ pushptr(recursive.addr()); // make it look good in the debugger | 2174 __ pushptr(recursive.addr()); // make it look good in the debugger |
2166 | 2175 |
2167 InternalAddress entry(entry_point); | 2176 InternalAddress entry(entry_point); |