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