| 1 | /* |
| 2 | * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 | * or visit www.oracle.com if you need additional information or have any |
| 21 | * questions. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #ifndef CPU_X86_INTERPRETERRT_X86_HPP |
| 26 | #define CPU_X86_INTERPRETERRT_X86_HPP |
| 27 | |
| 28 | // This is included in the middle of class Interpreter. |
| 29 | // Do not include files here. |
| 30 | |
| 31 | // native method calls |
| 32 | |
| 33 | class SignatureHandlerGenerator: public NativeSignatureIterator { |
| 34 | private: |
| 35 | MacroAssembler* _masm; |
| 36 | #ifdef AMD64 |
| 37 | #ifdef _WIN64 |
| 38 | unsigned int _num_args; |
| 39 | #else |
| 40 | unsigned int _num_fp_args; |
| 41 | unsigned int _num_int_args; |
| 42 | #endif // _WIN64 |
| 43 | int _stack_offset; |
| 44 | #else |
| 45 | void move(int from_offset, int to_offset); |
| 46 | void box(int from_offset, int to_offset); |
| 47 | #endif // AMD64 |
| 48 | |
| 49 | void pass_int(); |
| 50 | void pass_long(); |
| 51 | void pass_float(); |
| 52 | #ifdef AMD64 |
| 53 | void pass_double(); |
| 54 | #endif // AMD64 |
| 55 | void pass_object(); |
| 56 | |
| 57 | public: |
| 58 | // Creation |
| 59 | SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer); |
| 60 | |
| 61 | // Code generation |
| 62 | void generate(uint64_t fingerprint); |
| 63 | |
| 64 | // Code generation support |
| 65 | static Register from(); |
| 66 | static Register to(); |
| 67 | static Register temp(); |
| 68 | }; |
| 69 | |
| 70 | #endif // CPU_X86_INTERPRETERRT_X86_HPP |
| 71 | |