1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2009, 2010 Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#include "oops/arrayOop.hpp"
#include "oops/oop.hpp"
#include "shark/llvmHeaders.hpp"
#include "shark/sharkContext.hpp"
#include "utilities/globalDefinitions.hpp"
using namespace llvm;
SharkContext::SharkContext(const char* name)
: LLVMContext(),
_free_queue(NULL) {
// Create a module to build our functions into
_module = new Module(name, *this);
// Create basic types
_void_type = Type::getVoidTy(*this);
_bit_type = Type::getInt1Ty(*this);
_jbyte_type = Type::getInt8Ty(*this);
_jshort_type = Type::getInt16Ty(*this);
_jint_type = Type::getInt32Ty(*this);
_jlong_type = Type::getInt64Ty(*this);
_jfloat_type = Type::getFloatTy(*this);
_jdouble_type = Type::getDoubleTy(*this);
// Create compound types
_itableOffsetEntry_type = PointerType::getUnqual(
ArrayType::get(jbyte_type(), itableOffsetEntry::size() * wordSize));
_klass_type = PointerType::getUnqual(
ArrayType::get(jbyte_type(), sizeof(Klass)));
_jniEnv_type = PointerType::getUnqual(
ArrayType::get(jbyte_type(), sizeof(JNIEnv)));
_jniHandleBlock_type = PointerType::getUnqual(
ArrayType::get(jbyte_type(), sizeof(JNIHandleBlock)));
_methodOop_type = PointerType::getUnqual(
ArrayType::get(jbyte_type(), sizeof(methodOopDesc)));
_monitor_type = ArrayType::get(
jbyte_type(), frame::interpreter_frame_monitor_size() * wordSize);
_oop_type = PointerType::getUnqual(
ArrayType::get(jbyte_type(), sizeof(oopDesc)));
_thread_type = PointerType::getUnqual(
ArrayType::get(jbyte_type(), sizeof(JavaThread)));
_zeroStack_type = PointerType::getUnqual(
ArrayType::get(jbyte_type(), sizeof(ZeroStack)));
std::vector<const Type*> params;
params.push_back(methodOop_type());
params.push_back(intptr_type());
params.push_back(thread_type());
_entry_point_type = FunctionType::get(jint_type(), params, false);
params.clear();
params.push_back(methodOop_type());
params.push_back(PointerType::getUnqual(jbyte_type()));
params.push_back(intptr_type());
params.push_back(thread_type());
_osr_entry_point_type = FunctionType::get(jint_type(), params, false);
// Create mappings
for (int i = 0; i < T_CONFLICT; i++) {
switch (i) {
case T_BOOLEAN:
_to_stackType[i] = jint_type();
_to_arrayType[i] = jbyte_type();
break;
case T_BYTE:
_to_stackType[i] = jint_type();
_to_arrayType[i] = jbyte_type();
break;
case T_CHAR:
_to_stackType[i] = jint_type();
_to_arrayType[i] = jshort_type();
break;
case T_SHORT:
_to_stackType[i] = jint_type();
_to_arrayType[i] = jshort_type();
break;
case T_INT:
_to_stackType[i] = jint_type();
_to_arrayType[i] = jint_type();
break;
case T_LONG:
_to_stackType[i] = jlong_type();
_to_arrayType[i] = jlong_type();
break;
case T_FLOAT:
_to_stackType[i] = jfloat_type();
_to_arrayType[i] = jfloat_type();
break;
case T_DOUBLE:
_to_stackType[i] = jdouble_type();
_to_arrayType[i] = jdouble_type();
break;
case T_OBJECT:
case T_ARRAY:
_to_stackType[i] = oop_type();
_to_arrayType[i] = oop_type();
break;
case T_ADDRESS:
_to_stackType[i] = intptr_type();
_to_arrayType[i] = NULL;
break;
default:
_to_stackType[i] = NULL;
_to_arrayType[i] = NULL;
}
}
}
class SharkFreeQueueItem : public CHeapObj {
public:
SharkFreeQueueItem(llvm::Function* function, SharkFreeQueueItem *next)
: _function(function), _next(next) {}
private:
llvm::Function* _function;
SharkFreeQueueItem* _next;
public:
llvm::Function* function() const {
return _function;
}
SharkFreeQueueItem* next() const {
return _next;
}
};
void SharkContext::push_to_free_queue(Function* function) {
_free_queue = new SharkFreeQueueItem(function, _free_queue);
}
Function* SharkContext::pop_from_free_queue() {
if (_free_queue == NULL)
return NULL;
SharkFreeQueueItem *item = _free_queue;
Function *function = item->function();
_free_queue = item->next();
delete item;
return function;
}
|
