Mercurial > hg > graal-jvmci-8
comparison src/share/vm/shark/sharkContext.cpp @ 1692:d2ede61b7a12
6976186: integrate Shark HotSpot changes
Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure.
Reviewed-by: kvn, twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
author | twisti |
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date | Wed, 11 Aug 2010 05:51:21 -0700 |
parents | |
children | f95d63e2154a |
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1691:4a665be40fd3 | 1692:d2ede61b7a12 |
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1 /* | |
2 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved. | |
3 * Copyright 2009, 2010 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 * | |
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
21 * or visit www.oracle.com if you need additional information or have any | |
22 * questions. | |
23 * | |
24 */ | |
25 | |
26 #include "incls/_precompiled.incl" | |
27 #include "incls/_sharkContext.cpp.incl" | |
28 | |
29 using namespace llvm; | |
30 | |
31 SharkContext::SharkContext(const char* name) | |
32 : LLVMContext(), | |
33 _free_queue(NULL) { | |
34 // Create a module to build our functions into | |
35 _module = new Module(name, *this); | |
36 | |
37 // Create basic types | |
38 _void_type = Type::getVoidTy(*this); | |
39 _bit_type = Type::getInt1Ty(*this); | |
40 _jbyte_type = Type::getInt8Ty(*this); | |
41 _jshort_type = Type::getInt16Ty(*this); | |
42 _jint_type = Type::getInt32Ty(*this); | |
43 _jlong_type = Type::getInt64Ty(*this); | |
44 _jfloat_type = Type::getFloatTy(*this); | |
45 _jdouble_type = Type::getDoubleTy(*this); | |
46 | |
47 // Create compound types | |
48 _itableOffsetEntry_type = PointerType::getUnqual( | |
49 ArrayType::get(jbyte_type(), itableOffsetEntry::size() * wordSize)); | |
50 | |
51 _klass_type = PointerType::getUnqual( | |
52 ArrayType::get(jbyte_type(), sizeof(Klass))); | |
53 | |
54 _jniEnv_type = PointerType::getUnqual( | |
55 ArrayType::get(jbyte_type(), sizeof(JNIEnv))); | |
56 | |
57 _jniHandleBlock_type = PointerType::getUnqual( | |
58 ArrayType::get(jbyte_type(), sizeof(JNIHandleBlock))); | |
59 | |
60 _methodOop_type = PointerType::getUnqual( | |
61 ArrayType::get(jbyte_type(), sizeof(methodOopDesc))); | |
62 | |
63 _monitor_type = ArrayType::get( | |
64 jbyte_type(), frame::interpreter_frame_monitor_size() * wordSize); | |
65 | |
66 _oop_type = PointerType::getUnqual( | |
67 ArrayType::get(jbyte_type(), sizeof(oopDesc))); | |
68 | |
69 _thread_type = PointerType::getUnqual( | |
70 ArrayType::get(jbyte_type(), sizeof(JavaThread))); | |
71 | |
72 _zeroStack_type = PointerType::getUnqual( | |
73 ArrayType::get(jbyte_type(), sizeof(ZeroStack))); | |
74 | |
75 std::vector<const Type*> params; | |
76 params.push_back(methodOop_type()); | |
77 params.push_back(intptr_type()); | |
78 params.push_back(thread_type()); | |
79 _entry_point_type = FunctionType::get(jint_type(), params, false); | |
80 | |
81 params.clear(); | |
82 params.push_back(methodOop_type()); | |
83 params.push_back(PointerType::getUnqual(jbyte_type())); | |
84 params.push_back(intptr_type()); | |
85 params.push_back(thread_type()); | |
86 _osr_entry_point_type = FunctionType::get(jint_type(), params, false); | |
87 | |
88 // Create mappings | |
89 for (int i = 0; i < T_CONFLICT; i++) { | |
90 switch (i) { | |
91 case T_BOOLEAN: | |
92 _to_stackType[i] = jint_type(); | |
93 _to_arrayType[i] = jbyte_type(); | |
94 break; | |
95 | |
96 case T_BYTE: | |
97 _to_stackType[i] = jint_type(); | |
98 _to_arrayType[i] = jbyte_type(); | |
99 break; | |
100 | |
101 case T_CHAR: | |
102 _to_stackType[i] = jint_type(); | |
103 _to_arrayType[i] = jshort_type(); | |
104 break; | |
105 | |
106 case T_SHORT: | |
107 _to_stackType[i] = jint_type(); | |
108 _to_arrayType[i] = jshort_type(); | |
109 break; | |
110 | |
111 case T_INT: | |
112 _to_stackType[i] = jint_type(); | |
113 _to_arrayType[i] = jint_type(); | |
114 break; | |
115 | |
116 case T_LONG: | |
117 _to_stackType[i] = jlong_type(); | |
118 _to_arrayType[i] = jlong_type(); | |
119 break; | |
120 | |
121 case T_FLOAT: | |
122 _to_stackType[i] = jfloat_type(); | |
123 _to_arrayType[i] = jfloat_type(); | |
124 break; | |
125 | |
126 case T_DOUBLE: | |
127 _to_stackType[i] = jdouble_type(); | |
128 _to_arrayType[i] = jdouble_type(); | |
129 break; | |
130 | |
131 case T_OBJECT: | |
132 case T_ARRAY: | |
133 _to_stackType[i] = oop_type(); | |
134 _to_arrayType[i] = oop_type(); | |
135 break; | |
136 | |
137 case T_ADDRESS: | |
138 _to_stackType[i] = intptr_type(); | |
139 _to_arrayType[i] = NULL; | |
140 break; | |
141 | |
142 default: | |
143 _to_stackType[i] = NULL; | |
144 _to_arrayType[i] = NULL; | |
145 } | |
146 } | |
147 } | |
148 | |
149 class SharkFreeQueueItem : public CHeapObj { | |
150 public: | |
151 SharkFreeQueueItem(llvm::Function* function, SharkFreeQueueItem *next) | |
152 : _function(function), _next(next) {} | |
153 | |
154 private: | |
155 llvm::Function* _function; | |
156 SharkFreeQueueItem* _next; | |
157 | |
158 public: | |
159 llvm::Function* function() const { | |
160 return _function; | |
161 } | |
162 SharkFreeQueueItem* next() const { | |
163 return _next; | |
164 } | |
165 }; | |
166 | |
167 void SharkContext::push_to_free_queue(Function* function) { | |
168 _free_queue = new SharkFreeQueueItem(function, _free_queue); | |
169 } | |
170 | |
171 Function* SharkContext::pop_from_free_queue() { | |
172 if (_free_queue == NULL) | |
173 return NULL; | |
174 | |
175 SharkFreeQueueItem *item = _free_queue; | |
176 Function *function = item->function(); | |
177 _free_queue = item->next(); | |
178 delete item; | |
179 return function; | |
180 } |