aoqi@0: /*
aoqi@0:  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef CPU_X86_VM_INTERPRETERRT_X86_HPP
aoqi@0: #define CPU_X86_VM_INTERPRETERRT_X86_HPP
aoqi@0: 
aoqi@0: #include "memory/allocation.hpp"
aoqi@0: 
aoqi@0: // native method calls
aoqi@0: 
aoqi@0: class SignatureHandlerGenerator: public NativeSignatureIterator {
aoqi@0:  private:
aoqi@0:   MacroAssembler* _masm;
aoqi@0: #ifdef AMD64
aoqi@0: #ifdef _WIN64
aoqi@0:   unsigned int _num_args;
aoqi@0: #else
aoqi@0:   unsigned int _num_fp_args;
aoqi@0:   unsigned int _num_int_args;
aoqi@0: #endif // _WIN64
aoqi@0:   int _stack_offset;
aoqi@0: #else
aoqi@0:   void move(int from_offset, int to_offset);
aoqi@0:   void box(int from_offset, int to_offset);
aoqi@0: #endif // AMD64
aoqi@0: 
aoqi@0:   void pass_int();
aoqi@0:   void pass_long();
aoqi@0:   void pass_float();
aoqi@0: #ifdef AMD64
aoqi@0:   void pass_double();
aoqi@0: #endif // AMD64
aoqi@0:   void pass_object();
aoqi@0: 
aoqi@0:  public:
aoqi@0:   // Creation
aoqi@0:   SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) {
aoqi@0:     _masm = new MacroAssembler(buffer);
aoqi@0: #ifdef AMD64
aoqi@0: #ifdef _WIN64
aoqi@0:     _num_args = (method->is_static() ? 1 : 0);
aoqi@0:     _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address
aoqi@0: #else
aoqi@0:     _num_int_args = (method->is_static() ? 1 : 0);
aoqi@0:     _num_fp_args = 0;
aoqi@0:     _stack_offset = wordSize; // don't overwrite return address
aoqi@0: #endif // _WIN64
aoqi@0: #endif // AMD64
aoqi@0:   }
aoqi@0: 
aoqi@0:   // Code generation
aoqi@0:   void generate(uint64_t fingerprint);
aoqi@0: 
aoqi@0:   // Code generation support
aoqi@0:   static Register from();
aoqi@0:   static Register to();
aoqi@0:   static Register temp();
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // CPU_X86_VM_INTERPRETERRT_X86_HPP