Tue, 08 Aug 2017 15:57:29 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * Copyright 2007, 2008 Red Hat, Inc. |
aoqi@0 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 5 | * |
aoqi@0 | 6 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 7 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 8 | * published by the Free Software Foundation. |
aoqi@0 | 9 | * |
aoqi@0 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 14 | * accompanied this code). |
aoqi@0 | 15 | * |
aoqi@0 | 16 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 19 | * |
aoqi@0 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 21 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 22 | * questions. |
aoqi@0 | 23 | * |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | #ifndef CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP |
aoqi@0 | 27 | #define CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP |
aoqi@0 | 28 | |
aoqi@0 | 29 | #include "memory/allocation.hpp" |
aoqi@0 | 30 | |
aoqi@0 | 31 | class SignatureHandler { |
aoqi@0 | 32 | public: |
aoqi@0 | 33 | static SignatureHandler *from_handlerAddr(address handlerAddr) { |
aoqi@0 | 34 | return (SignatureHandler *) handlerAddr; |
aoqi@0 | 35 | } |
aoqi@0 | 36 | |
aoqi@0 | 37 | public: |
aoqi@0 | 38 | ffi_cif* cif() const { |
aoqi@0 | 39 | return (ffi_cif *) this; |
aoqi@0 | 40 | } |
aoqi@0 | 41 | |
aoqi@0 | 42 | int argument_count() const { |
aoqi@0 | 43 | return cif()->nargs; |
aoqi@0 | 44 | } |
aoqi@0 | 45 | |
aoqi@0 | 46 | ffi_type** argument_types() const { |
aoqi@0 | 47 | return (ffi_type**) (cif() + 1); |
aoqi@0 | 48 | } |
aoqi@0 | 49 | |
aoqi@0 | 50 | ffi_type* argument_type(int i) const { |
aoqi@0 | 51 | return argument_types()[i]; |
aoqi@0 | 52 | } |
aoqi@0 | 53 | |
aoqi@0 | 54 | ffi_type* result_type() const { |
aoqi@0 | 55 | return *(argument_types() + argument_count()); |
aoqi@0 | 56 | } |
aoqi@0 | 57 | |
aoqi@0 | 58 | protected: |
aoqi@0 | 59 | friend class InterpreterRuntime; |
aoqi@0 | 60 | friend class SignatureHandlerLibrary; |
aoqi@0 | 61 | |
aoqi@0 | 62 | void finalize(); |
aoqi@0 | 63 | }; |
aoqi@0 | 64 | |
aoqi@0 | 65 | class SignatureHandlerGeneratorBase : public NativeSignatureIterator { |
aoqi@0 | 66 | private: |
aoqi@0 | 67 | ffi_cif* _cif; |
aoqi@0 | 68 | |
aoqi@0 | 69 | protected: |
aoqi@0 | 70 | SignatureHandlerGeneratorBase(methodHandle method, ffi_cif *cif) |
aoqi@0 | 71 | : NativeSignatureIterator(method), _cif(cif) { |
aoqi@0 | 72 | _cif->nargs = 0; |
aoqi@0 | 73 | } |
aoqi@0 | 74 | |
aoqi@0 | 75 | ffi_cif *cif() const { |
aoqi@0 | 76 | return _cif; |
aoqi@0 | 77 | } |
aoqi@0 | 78 | |
aoqi@0 | 79 | public: |
aoqi@0 | 80 | void generate(uint64_t fingerprint); |
aoqi@0 | 81 | |
aoqi@0 | 82 | private: |
aoqi@0 | 83 | void pass_int(); |
aoqi@0 | 84 | void pass_long(); |
aoqi@0 | 85 | void pass_float(); |
aoqi@0 | 86 | void pass_double(); |
aoqi@0 | 87 | void pass_object(); |
aoqi@0 | 88 | |
aoqi@0 | 89 | private: |
aoqi@0 | 90 | void push(BasicType type); |
aoqi@0 | 91 | virtual void push(intptr_t value) = 0; |
aoqi@0 | 92 | }; |
aoqi@0 | 93 | |
aoqi@0 | 94 | class SignatureHandlerGenerator : public SignatureHandlerGeneratorBase { |
aoqi@0 | 95 | private: |
aoqi@0 | 96 | CodeBuffer* _cb; |
aoqi@0 | 97 | |
aoqi@0 | 98 | public: |
aoqi@0 | 99 | SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) |
aoqi@0 | 100 | : SignatureHandlerGeneratorBase(method, (ffi_cif *) buffer->insts_end()), |
aoqi@0 | 101 | _cb(buffer) { |
aoqi@0 | 102 | _cb->set_insts_end((address) (cif() + 1)); |
aoqi@0 | 103 | } |
aoqi@0 | 104 | |
aoqi@0 | 105 | private: |
aoqi@0 | 106 | void push(intptr_t value) { |
aoqi@0 | 107 | intptr_t *dst = (intptr_t *) _cb->insts_end(); |
aoqi@0 | 108 | _cb->set_insts_end((address) (dst + 1)); |
aoqi@0 | 109 | *dst = value; |
aoqi@0 | 110 | } |
aoqi@0 | 111 | }; |
aoqi@0 | 112 | |
aoqi@0 | 113 | class SlowSignatureHandlerGenerator : public SignatureHandlerGeneratorBase { |
aoqi@0 | 114 | private: |
aoqi@0 | 115 | intptr_t *_dst; |
aoqi@0 | 116 | |
aoqi@0 | 117 | public: |
aoqi@0 | 118 | SlowSignatureHandlerGenerator(methodHandle method, intptr_t* buf) |
aoqi@0 | 119 | : SignatureHandlerGeneratorBase(method, (ffi_cif *) buf) { |
aoqi@0 | 120 | _dst = (intptr_t *) (cif() + 1); |
aoqi@0 | 121 | } |
aoqi@0 | 122 | |
aoqi@0 | 123 | private: |
aoqi@0 | 124 | void push(intptr_t value) { |
aoqi@0 | 125 | *(_dst++) = value; |
aoqi@0 | 126 | } |
aoqi@0 | 127 | |
aoqi@0 | 128 | public: |
aoqi@0 | 129 | SignatureHandler *handler() const { |
aoqi@0 | 130 | return (SignatureHandler *) cif(); |
aoqi@0 | 131 | } |
aoqi@0 | 132 | }; |
aoqi@0 | 133 | |
aoqi@0 | 134 | #endif // CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP |