Mercurial > hg > graal-compiler
annotate src/share/vm/shark/sharkContext.cpp @ 6781:b711844284e2
7200092: Make NMT a bit friendlier to work with
Reviewed-by: kvn, ysr, azeemj
author | nloodin |
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date | Fri, 21 Sep 2012 10:56:28 +0200 |
parents | da91efe96a93 |
children | 2cd5e15048e6 |
rev | line source |
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1692 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
1692 | 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 | |
1972 | 26 #include "precompiled.hpp" |
27 #include "oops/arrayOop.hpp" | |
28 #include "oops/oop.hpp" | |
29 #include "shark/llvmHeaders.hpp" | |
30 #include "shark/sharkContext.hpp" | |
31 #include "utilities/globalDefinitions.hpp" | |
1692 | 32 |
33 using namespace llvm; | |
34 | |
35 SharkContext::SharkContext(const char* name) | |
36 : LLVMContext(), | |
37 _free_queue(NULL) { | |
38 // Create a module to build our functions into | |
39 _module = new Module(name, *this); | |
40 | |
41 // Create basic types | |
42 _void_type = Type::getVoidTy(*this); | |
43 _bit_type = Type::getInt1Ty(*this); | |
44 _jbyte_type = Type::getInt8Ty(*this); | |
45 _jshort_type = Type::getInt16Ty(*this); | |
46 _jint_type = Type::getInt32Ty(*this); | |
47 _jlong_type = Type::getInt64Ty(*this); | |
48 _jfloat_type = Type::getFloatTy(*this); | |
49 _jdouble_type = Type::getDoubleTy(*this); | |
50 | |
51 // Create compound types | |
52 _itableOffsetEntry_type = PointerType::getUnqual( | |
53 ArrayType::get(jbyte_type(), itableOffsetEntry::size() * wordSize)); | |
54 | |
55 _klass_type = PointerType::getUnqual( | |
56 ArrayType::get(jbyte_type(), sizeof(Klass))); | |
57 | |
58 _jniEnv_type = PointerType::getUnqual( | |
59 ArrayType::get(jbyte_type(), sizeof(JNIEnv))); | |
60 | |
61 _jniHandleBlock_type = PointerType::getUnqual( | |
62 ArrayType::get(jbyte_type(), sizeof(JNIHandleBlock))); | |
63 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
64 _Method*_type = PointerType::getUnqual( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
65 ArrayType::get(jbyte_type(), sizeof(Method))); |
1692 | 66 |
67 _monitor_type = ArrayType::get( | |
68 jbyte_type(), frame::interpreter_frame_monitor_size() * wordSize); | |
69 | |
70 _oop_type = PointerType::getUnqual( | |
71 ArrayType::get(jbyte_type(), sizeof(oopDesc))); | |
72 | |
73 _thread_type = PointerType::getUnqual( | |
74 ArrayType::get(jbyte_type(), sizeof(JavaThread))); | |
75 | |
76 _zeroStack_type = PointerType::getUnqual( | |
77 ArrayType::get(jbyte_type(), sizeof(ZeroStack))); | |
78 | |
79 std::vector<const Type*> params; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
80 params.push_back(Method*_type()); |
1692 | 81 params.push_back(intptr_type()); |
82 params.push_back(thread_type()); | |
83 _entry_point_type = FunctionType::get(jint_type(), params, false); | |
84 | |
85 params.clear(); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
86 params.push_back(Method*_type()); |
1692 | 87 params.push_back(PointerType::getUnqual(jbyte_type())); |
88 params.push_back(intptr_type()); | |
89 params.push_back(thread_type()); | |
90 _osr_entry_point_type = FunctionType::get(jint_type(), params, false); | |
91 | |
92 // Create mappings | |
93 for (int i = 0; i < T_CONFLICT; i++) { | |
94 switch (i) { | |
95 case T_BOOLEAN: | |
96 _to_stackType[i] = jint_type(); | |
97 _to_arrayType[i] = jbyte_type(); | |
98 break; | |
99 | |
100 case T_BYTE: | |
101 _to_stackType[i] = jint_type(); | |
102 _to_arrayType[i] = jbyte_type(); | |
103 break; | |
104 | |
105 case T_CHAR: | |
106 _to_stackType[i] = jint_type(); | |
107 _to_arrayType[i] = jshort_type(); | |
108 break; | |
109 | |
110 case T_SHORT: | |
111 _to_stackType[i] = jint_type(); | |
112 _to_arrayType[i] = jshort_type(); | |
113 break; | |
114 | |
115 case T_INT: | |
116 _to_stackType[i] = jint_type(); | |
117 _to_arrayType[i] = jint_type(); | |
118 break; | |
119 | |
120 case T_LONG: | |
121 _to_stackType[i] = jlong_type(); | |
122 _to_arrayType[i] = jlong_type(); | |
123 break; | |
124 | |
125 case T_FLOAT: | |
126 _to_stackType[i] = jfloat_type(); | |
127 _to_arrayType[i] = jfloat_type(); | |
128 break; | |
129 | |
130 case T_DOUBLE: | |
131 _to_stackType[i] = jdouble_type(); | |
132 _to_arrayType[i] = jdouble_type(); | |
133 break; | |
134 | |
135 case T_OBJECT: | |
136 case T_ARRAY: | |
137 _to_stackType[i] = oop_type(); | |
138 _to_arrayType[i] = oop_type(); | |
139 break; | |
140 | |
141 case T_ADDRESS: | |
142 _to_stackType[i] = intptr_type(); | |
143 _to_arrayType[i] = NULL; | |
144 break; | |
145 | |
146 default: | |
147 _to_stackType[i] = NULL; | |
148 _to_arrayType[i] = NULL; | |
149 } | |
150 } | |
151 } | |
152 | |
153 class SharkFreeQueueItem : public CHeapObj { | |
154 public: | |
155 SharkFreeQueueItem(llvm::Function* function, SharkFreeQueueItem *next) | |
156 : _function(function), _next(next) {} | |
157 | |
158 private: | |
159 llvm::Function* _function; | |
160 SharkFreeQueueItem* _next; | |
161 | |
162 public: | |
163 llvm::Function* function() const { | |
164 return _function; | |
165 } | |
166 SharkFreeQueueItem* next() const { | |
167 return _next; | |
168 } | |
169 }; | |
170 | |
171 void SharkContext::push_to_free_queue(Function* function) { | |
172 _free_queue = new SharkFreeQueueItem(function, _free_queue); | |
173 } | |
174 | |
175 Function* SharkContext::pop_from_free_queue() { | |
176 if (_free_queue == NULL) | |
177 return NULL; | |
178 | |
179 SharkFreeQueueItem *item = _free_queue; | |
180 Function *function = item->function(); | |
181 _free_queue = item->next(); | |
182 delete item; | |
183 return function; | |
184 } |