| /* |
| * Copyright (c) 1998, 2017, 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(const 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 |