src/cpu/x86/vm/interpreterRT_x86.hpp

changeset 435
a61af66fc99e
child 1907
c18cbe5936b8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/cpu/x86/vm/interpreterRT_x86.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,74 @@
     1.4 +/*
     1.5 + * Copyright 1998-2005 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +// native method calls
    1.29 +
    1.30 +class SignatureHandlerGenerator: public NativeSignatureIterator {
    1.31 + private:
    1.32 +  MacroAssembler* _masm;
    1.33 +#ifdef AMD64
    1.34 +#ifdef _WIN64
    1.35 +  unsigned int _num_args;
    1.36 +#else
    1.37 +  unsigned int _num_fp_args;
    1.38 +  unsigned int _num_int_args;
    1.39 +#endif // _WIN64
    1.40 +  int _stack_offset;
    1.41 +#else
    1.42 +  void move(int from_offset, int to_offset);
    1.43 +  void box(int from_offset, int to_offset);
    1.44 +#endif // AMD64
    1.45 +
    1.46 +  void pass_int();
    1.47 +  void pass_long();
    1.48 +  void pass_float();
    1.49 +#ifdef AMD64
    1.50 +  void pass_double();
    1.51 +#endif // AMD64
    1.52 +  void pass_object();
    1.53 +
    1.54 + public:
    1.55 +  // Creation
    1.56 +  SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) {
    1.57 +    _masm = new MacroAssembler(buffer);
    1.58 +#ifdef AMD64
    1.59 +#ifdef _WIN64
    1.60 +    _num_args = (method->is_static() ? 1 : 0);
    1.61 +    _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address
    1.62 +#else
    1.63 +    _num_int_args = (method->is_static() ? 1 : 0);
    1.64 +    _num_fp_args = 0;
    1.65 +    _stack_offset = wordSize; // don't overwrite return address
    1.66 +#endif // _WIN64
    1.67 +#endif // AMD64
    1.68 +  }
    1.69 +
    1.70 +  // Code generation
    1.71 +  void generate(uint64_t fingerprint);
    1.72 +
    1.73 +  // Code generation support
    1.74 +  static Register from();
    1.75 +  static Register to();
    1.76 +  static Register temp();
    1.77 +};

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