Mercurial > hg > truffle
annotate src/cpu/zero/vm/interpreterRT_zero.hpp @ 1673:6709c14587c2 jdk7-b105
Added tag jdk7-b104 for changeset b4acf10eb134
| author | cl |
|---|---|
| date | Fri, 06 Aug 2010 12:51:54 -0700 |
| parents | c18cbe5936b8 |
| children | a222fcfba398 |
| rev | line source |
|---|---|
| 1010 | 1 /* |
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2 * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. |
| 1010 | 3 * Copyright 2007, 2008 Red Hat, Inc. |
| 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * or visit www.oracle.com if you need additional information or have any |
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6941466: Oracle rebranding changes for Hotspot repositories
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22 * questions. |
| 1010 | 23 * |
| 24 */ | |
| 25 | |
| 26 class SignatureHandler { | |
| 27 public: | |
| 28 static SignatureHandler *from_handlerAddr(address handlerAddr) { | |
| 29 return (SignatureHandler *) handlerAddr; | |
| 30 } | |
| 31 | |
| 32 public: | |
| 33 ffi_cif* cif() const { | |
| 34 return (ffi_cif *) this; | |
| 35 } | |
| 36 | |
| 37 int argument_count() const { | |
| 38 return cif()->nargs; | |
| 39 } | |
| 40 | |
| 41 ffi_type** argument_types() const { | |
| 42 return (ffi_type**) (cif() + 1); | |
| 43 } | |
| 44 | |
| 45 ffi_type* argument_type(int i) const { | |
| 46 return argument_types()[i]; | |
| 47 } | |
| 48 | |
| 49 ffi_type* result_type() const { | |
| 50 return *(argument_types() + argument_count()); | |
| 51 } | |
| 52 | |
| 53 protected: | |
| 54 friend class InterpreterRuntime; | |
| 55 friend class SignatureHandlerLibrary; | |
| 56 | |
| 57 void finalize(); | |
| 58 }; | |
| 59 | |
| 60 class SignatureHandlerGeneratorBase : public NativeSignatureIterator { | |
| 61 private: | |
| 62 ffi_cif* _cif; | |
| 63 | |
| 64 protected: | |
| 65 SignatureHandlerGeneratorBase(methodHandle method, ffi_cif *cif) | |
| 66 : NativeSignatureIterator(method), _cif(cif) { | |
| 67 _cif->nargs = 0; | |
| 68 } | |
| 69 | |
| 70 ffi_cif *cif() const { | |
| 71 return _cif; | |
| 72 } | |
| 73 | |
| 74 public: | |
| 75 void generate(uint64_t fingerprint); | |
| 76 | |
| 77 private: | |
| 78 void pass_int(); | |
| 79 void pass_long(); | |
| 80 void pass_float(); | |
| 81 void pass_double(); | |
| 82 void pass_object(); | |
| 83 | |
| 84 private: | |
| 85 void push(BasicType type); | |
| 86 virtual void push(intptr_t value) = 0; | |
| 87 }; | |
| 88 | |
| 89 class SignatureHandlerGenerator : public SignatureHandlerGeneratorBase { | |
| 90 private: | |
| 91 CodeBuffer* _cb; | |
| 92 | |
| 93 public: | |
| 94 SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) | |
| 95 : SignatureHandlerGeneratorBase(method, (ffi_cif *) buffer->code_end()), | |
| 96 _cb(buffer) { | |
| 97 _cb->set_code_end((address) (cif() + 1)); | |
| 98 } | |
| 99 | |
| 100 private: | |
| 101 void push(intptr_t value) { | |
| 102 intptr_t *dst = (intptr_t *) _cb->code_end(); | |
| 103 _cb->set_code_end((address) (dst + 1)); | |
| 104 *dst = value; | |
| 105 } | |
| 106 }; | |
| 107 | |
| 108 class SlowSignatureHandlerGenerator : public SignatureHandlerGeneratorBase { | |
| 109 private: | |
| 110 intptr_t *_dst; | |
| 111 | |
| 112 public: | |
| 113 SlowSignatureHandlerGenerator(methodHandle method, intptr_t* buf) | |
| 114 : SignatureHandlerGeneratorBase(method, (ffi_cif *) buf) { | |
| 115 _dst = (intptr_t *) (cif() + 1); | |
| 116 } | |
| 117 | |
| 118 private: | |
| 119 void push(intptr_t value) { | |
| 120 *(_dst++) = value; | |
| 121 } | |
| 122 | |
| 123 public: | |
| 124 SignatureHandler *handler() const { | |
| 125 return (SignatureHandler *) cif(); | |
| 126 } | |
| 127 }; |