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comparison src/cpu/x86/vm/templateInterpreter_x86_32.cpp @ 7482:989155e2d07a

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Merge with hs25-b15.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 16 Jan 2013 01:34:24 +0100
parents fd74228fd5ca
children db9981fd3124
comparison
equal deleted inserted replaced
7381:6761a8f854a4 7482:989155e2d07a
422 // rsp - sender_sp 422 // rsp - sender_sp
423 423
424 // C++ interpreter only 424 // C++ interpreter only
425 // rsi - previous interpreter state pointer 425 // rsi - previous interpreter state pointer
426 426
427 const Address size_of_parameters(rbx, Method::size_of_parameters_offset());
428
429 // InterpreterRuntime::frequency_counter_overflow takes one argument 427 // InterpreterRuntime::frequency_counter_overflow takes one argument
430 // indicating if the counter overflow occurs at a backwards branch (non-NULL bcp). 428 // indicating if the counter overflow occurs at a backwards branch (non-NULL bcp).
431 // The call returns the address of the verified entry point for the method or NULL 429 // The call returns the address of the verified entry point for the method or NULL
432 // if the compilation did not complete (either went background or bailed out). 430 // if the compilation did not complete (either went background or bailed out).
433 __ movptr(rax, (intptr_t)false); 431 __ movptr(rax, (intptr_t)false);
866 // rbx,: Method* 864 // rbx,: Method*
867 // rsi: sender sp 865 // rsi: sender sp
868 // rsi: previous interpreter state (C++ interpreter) must preserve 866 // rsi: previous interpreter state (C++ interpreter) must preserve
869 address entry_point = __ pc(); 867 address entry_point = __ pc();
870 868
871 869 const Address constMethod (rbx, Method::const_offset());
872 const Address size_of_parameters(rbx, Method::size_of_parameters_offset());
873 const Address invocation_counter(rbx, Method::invocation_counter_offset() + InvocationCounter::counter_offset()); 870 const Address invocation_counter(rbx, Method::invocation_counter_offset() + InvocationCounter::counter_offset());
874 const Address access_flags (rbx, Method::access_flags_offset()); 871 const Address access_flags (rbx, Method::access_flags_offset());
872 const Address size_of_parameters(rcx, ConstMethod::size_of_parameters_offset());
875 873
876 // get parameter size (always needed) 874 // get parameter size (always needed)
875 __ movptr(rcx, constMethod);
877 __ load_unsigned_short(rcx, size_of_parameters); 876 __ load_unsigned_short(rcx, size_of_parameters);
878 877
879 // native calls don't need the stack size check since they have no expression stack 878 // native calls don't need the stack size check since they have no expression stack
880 // and the arguments are already on the stack and we only add a handful of words 879 // and the arguments are already on the stack and we only add a handful of words
881 // to the stack 880 // to the stack
986 const Register thread = rdi; 985 const Register thread = rdi;
987 const Register t = rcx; 986 const Register t = rcx;
988 987
989 // allocate space for parameters 988 // allocate space for parameters
990 __ get_method(method); 989 __ get_method(method);
991 __ load_unsigned_short(t, Address(method, Method::size_of_parameters_offset())); 990 __ movptr(t, Address(method, Method::const_offset()));
991 __ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset()));
992
992 __ shlptr(t, Interpreter::logStackElementSize); 993 __ shlptr(t, Interpreter::logStackElementSize);
993 __ addptr(t, 2*wordSize); // allocate two more slots for JNIEnv and possible mirror 994 __ addptr(t, 2*wordSize); // allocate two more slots for JNIEnv and possible mirror
994 __ subptr(rsp, t); 995 __ subptr(rsp, t);
995 __ andptr(rsp, -(StackAlignmentInBytes)); // gcc needs 16 byte aligned stacks to do XMM intrinsics 996 __ andptr(rsp, -(StackAlignmentInBytes)); // gcc needs 16 byte aligned stacks to do XMM intrinsics
996 997
1295 1296
1296 // rbx,: Method* 1297 // rbx,: Method*
1297 // rsi: sender sp 1298 // rsi: sender sp
1298 address entry_point = __ pc(); 1299 address entry_point = __ pc();
1299 1300
1300 1301 const Address constMethod (rbx, Method::const_offset());
1301 const Address size_of_parameters(rbx, Method::size_of_parameters_offset());
1302 const Address size_of_locals (rbx, Method::size_of_locals_offset());
1303 const Address invocation_counter(rbx, Method::invocation_counter_offset() + InvocationCounter::counter_offset()); 1302 const Address invocation_counter(rbx, Method::invocation_counter_offset() + InvocationCounter::counter_offset());
1304 const Address access_flags (rbx, Method::access_flags_offset()); 1303 const Address access_flags (rbx, Method::access_flags_offset());
1304 const Address size_of_parameters(rdx, ConstMethod::size_of_parameters_offset());
1305 const Address size_of_locals (rdx, ConstMethod::size_of_locals_offset());
1305 1306
1306 // get parameter size (always needed) 1307 // get parameter size (always needed)
1308 __ movptr(rdx, constMethod);
1307 __ load_unsigned_short(rcx, size_of_parameters); 1309 __ load_unsigned_short(rcx, size_of_parameters);
1308 1310
1309 // rbx,: Method* 1311 // rbx,: Method*
1310 // rcx: size of parameters 1312 // rcx: size of parameters
1311 1313
1732 __ testl(rax, rax); 1734 __ testl(rax, rax);
1733 __ jcc(Assembler::notZero, caller_not_deoptimized); 1735 __ jcc(Assembler::notZero, caller_not_deoptimized);
1734 1736
1735 // Compute size of arguments for saving when returning to deoptimized caller 1737 // Compute size of arguments for saving when returning to deoptimized caller
1736 __ get_method(rax); 1738 __ get_method(rax);
1737 __ load_unsigned_short(rax, Address(rax, in_bytes(Method::size_of_parameters_offset()))); 1739 __ movptr(rax, Address(rax, Method::const_offset()));
1740 __ load_unsigned_short(rax, Address(rax, ConstMethod::size_of_parameters_offset()));
1738 __ shlptr(rax, Interpreter::logStackElementSize); 1741 __ shlptr(rax, Interpreter::logStackElementSize);
1739 __ restore_locals(); 1742 __ restore_locals();
1740 __ subptr(rdi, rax); 1743 __ subptr(rdi, rax);
1741 __ addptr(rdi, wordSize); 1744 __ addptr(rdi, wordSize);
1742 // Save these arguments 1745 // Save these arguments