Mercurial > hg > graal-compiler
annotate src/share/vm/code/debugInfo.cpp @ 20096:3844fb65016c
SL: repeating node should implement SLStatementNode for a proper toString implementation.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 30 Mar 2015 22:52:03 +0200 |
parents | 15ef24874df7 |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "code/debugInfo.hpp" | |
27 #include "code/debugInfoRec.hpp" | |
28 #include "code/nmethod.hpp" | |
29 #include "runtime/handles.inline.hpp" | |
0 | 30 |
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31 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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32 |
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33 // Constructors |
0 | 34 |
35 DebugInfoWriteStream::DebugInfoWriteStream(DebugInformationRecorder* recorder, int initial_size) | |
36 : CompressedWriteStream(initial_size) { | |
37 _recorder = recorder; | |
38 } | |
39 | |
40 // Serializing oops | |
41 | |
42 void DebugInfoWriteStream::write_handle(jobject h) { | |
43 write_int(recorder()->oop_recorder()->find_index(h)); | |
44 } | |
45 | |
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46 void DebugInfoWriteStream::write_metadata(Metadata* h) { |
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47 write_int(recorder()->oop_recorder()->find_index(h)); |
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48 } |
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49 |
0 | 50 ScopeValue* DebugInfoReadStream::read_object_value() { |
51 int id = read_int(); | |
52 #ifdef ASSERT | |
53 assert(_obj_pool != NULL, "object pool does not exist"); | |
54 for (int i = _obj_pool->length() - 1; i >= 0; i--) { | |
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55 assert(_obj_pool->at(i)->as_ObjectValue()->id() != id, "should not be read twice"); |
0 | 56 } |
57 #endif | |
58 ObjectValue* result = new ObjectValue(id); | |
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59 // Cache the object since an object field could reference it. |
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60 _obj_pool->push(result); |
0 | 61 result->read_object(this); |
62 return result; | |
63 } | |
64 | |
65 ScopeValue* DebugInfoReadStream::get_cached_object() { | |
66 int id = read_int(); | |
67 assert(_obj_pool != NULL, "object pool does not exist"); | |
68 for (int i = _obj_pool->length() - 1; i >= 0; i--) { | |
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69 ObjectValue* ov = _obj_pool->at(i)->as_ObjectValue(); |
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70 if (ov->id() == id) { |
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71 return ov; |
0 | 72 } |
73 } | |
74 ShouldNotReachHere(); | |
75 return NULL; | |
76 } | |
77 | |
78 // Serializing scope values | |
79 | |
80 enum { LOCATION_CODE = 0, CONSTANT_INT_CODE = 1, CONSTANT_OOP_CODE = 2, | |
81 CONSTANT_LONG_CODE = 3, CONSTANT_DOUBLE_CODE = 4, | |
82 OBJECT_CODE = 5, OBJECT_ID_CODE = 6 }; | |
83 | |
84 ScopeValue* ScopeValue::read_from(DebugInfoReadStream* stream) { | |
85 ScopeValue* result = NULL; | |
86 switch(stream->read_int()) { | |
87 case LOCATION_CODE: result = new LocationValue(stream); break; | |
88 case CONSTANT_INT_CODE: result = new ConstantIntValue(stream); break; | |
89 case CONSTANT_OOP_CODE: result = new ConstantOopReadValue(stream); break; | |
90 case CONSTANT_LONG_CODE: result = new ConstantLongValue(stream); break; | |
91 case CONSTANT_DOUBLE_CODE: result = new ConstantDoubleValue(stream); break; | |
92 case OBJECT_CODE: result = stream->read_object_value(); break; | |
93 case OBJECT_ID_CODE: result = stream->get_cached_object(); break; | |
94 default: ShouldNotReachHere(); | |
95 } | |
96 return result; | |
97 } | |
98 | |
99 // LocationValue | |
100 | |
101 LocationValue::LocationValue(DebugInfoReadStream* stream) { | |
102 _location = Location(stream); | |
103 } | |
104 | |
105 void LocationValue::write_on(DebugInfoWriteStream* stream) { | |
106 stream->write_int(LOCATION_CODE); | |
107 location().write_on(stream); | |
108 } | |
109 | |
110 void LocationValue::print_on(outputStream* st) const { | |
111 location().print_on(st); | |
112 } | |
113 | |
114 // ObjectValue | |
115 | |
116 void ObjectValue::read_object(DebugInfoReadStream* stream) { | |
117 _klass = read_from(stream); | |
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118 assert(_klass->is_constant_oop(), "should be constant java mirror oop"); |
0 | 119 int length = stream->read_int(); |
120 for (int i = 0; i < length; i++) { | |
121 ScopeValue* val = read_from(stream); | |
122 _field_values.append(val); | |
123 } | |
124 } | |
125 | |
126 void ObjectValue::write_on(DebugInfoWriteStream* stream) { | |
127 if (_visited) { | |
128 stream->write_int(OBJECT_ID_CODE); | |
129 stream->write_int(_id); | |
130 } else { | |
131 _visited = true; | |
132 stream->write_int(OBJECT_CODE); | |
133 stream->write_int(_id); | |
134 _klass->write_on(stream); | |
135 int length = _field_values.length(); | |
136 stream->write_int(length); | |
137 for (int i = 0; i < length; i++) { | |
138 _field_values.at(i)->write_on(stream); | |
139 } | |
140 } | |
141 } | |
142 | |
143 void ObjectValue::print_on(outputStream* st) const { | |
144 st->print("obj[%d]", _id); | |
145 } | |
146 | |
147 void ObjectValue::print_fields_on(outputStream* st) const { | |
148 #ifndef PRODUCT | |
149 if (_field_values.length() > 0) { | |
150 _field_values.at(0)->print_on(st); | |
151 } | |
152 for (int i = 1; i < _field_values.length(); i++) { | |
153 st->print(", "); | |
154 _field_values.at(i)->print_on(st); | |
155 } | |
156 #endif | |
157 } | |
158 | |
159 // ConstantIntValue | |
160 | |
161 ConstantIntValue::ConstantIntValue(DebugInfoReadStream* stream) { | |
162 _value = stream->read_signed_int(); | |
163 } | |
164 | |
165 void ConstantIntValue::write_on(DebugInfoWriteStream* stream) { | |
166 stream->write_int(CONSTANT_INT_CODE); | |
167 stream->write_signed_int(value()); | |
168 } | |
169 | |
170 void ConstantIntValue::print_on(outputStream* st) const { | |
171 st->print("%d", value()); | |
172 } | |
173 | |
174 // ConstantLongValue | |
175 | |
176 ConstantLongValue::ConstantLongValue(DebugInfoReadStream* stream) { | |
177 _value = stream->read_long(); | |
178 } | |
179 | |
180 void ConstantLongValue::write_on(DebugInfoWriteStream* stream) { | |
181 stream->write_int(CONSTANT_LONG_CODE); | |
182 stream->write_long(value()); | |
183 } | |
184 | |
185 void ConstantLongValue::print_on(outputStream* st) const { | |
186 st->print(INT64_FORMAT, value()); | |
187 } | |
188 | |
189 // ConstantDoubleValue | |
190 | |
191 ConstantDoubleValue::ConstantDoubleValue(DebugInfoReadStream* stream) { | |
192 _value = stream->read_double(); | |
193 } | |
194 | |
195 void ConstantDoubleValue::write_on(DebugInfoWriteStream* stream) { | |
196 stream->write_int(CONSTANT_DOUBLE_CODE); | |
197 stream->write_double(value()); | |
198 } | |
199 | |
200 void ConstantDoubleValue::print_on(outputStream* st) const { | |
201 st->print("%f", value()); | |
202 } | |
203 | |
204 // ConstantOopWriteValue | |
205 | |
206 void ConstantOopWriteValue::write_on(DebugInfoWriteStream* stream) { | |
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207 assert(JNIHandles::resolve(value()) == NULL || |
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208 Universe::heap()->is_in_reserved(JNIHandles::resolve(value())), |
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209 "Should be in heap"); |
0 | 210 stream->write_int(CONSTANT_OOP_CODE); |
211 stream->write_handle(value()); | |
212 } | |
213 | |
214 void ConstantOopWriteValue::print_on(outputStream* st) const { | |
215 JNIHandles::resolve(value())->print_value_on(st); | |
216 } | |
217 | |
218 | |
219 // ConstantOopReadValue | |
220 | |
221 ConstantOopReadValue::ConstantOopReadValue(DebugInfoReadStream* stream) { | |
222 _value = Handle(stream->read_oop()); | |
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223 assert(_value() == NULL || |
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224 Universe::heap()->is_in_reserved(_value()), "Should be in heap"); |
0 | 225 } |
226 | |
227 void ConstantOopReadValue::write_on(DebugInfoWriteStream* stream) { | |
228 ShouldNotReachHere(); | |
229 } | |
230 | |
231 void ConstantOopReadValue::print_on(outputStream* st) const { | |
232 value()()->print_value_on(st); | |
233 } | |
234 | |
235 | |
236 // MonitorValue | |
237 | |
238 MonitorValue::MonitorValue(ScopeValue* owner, Location basic_lock, bool eliminated) { | |
239 _owner = owner; | |
240 _basic_lock = basic_lock; | |
241 _eliminated = eliminated; | |
242 } | |
243 | |
244 MonitorValue::MonitorValue(DebugInfoReadStream* stream) { | |
245 _basic_lock = Location(stream); | |
246 _owner = ScopeValue::read_from(stream); | |
247 _eliminated = (stream->read_bool() != 0); | |
248 } | |
249 | |
250 void MonitorValue::write_on(DebugInfoWriteStream* stream) { | |
251 _basic_lock.write_on(stream); | |
252 _owner->write_on(stream); | |
253 stream->write_bool(_eliminated); | |
254 } | |
255 | |
256 #ifndef PRODUCT | |
257 void MonitorValue::print_on(outputStream* st) const { | |
258 st->print("monitor{"); | |
259 owner()->print_on(st); | |
260 st->print(","); | |
261 basic_lock().print_on(st); | |
262 st->print("}"); | |
263 if (_eliminated) { | |
264 st->print(" (eliminated)"); | |
265 } | |
266 } | |
267 #endif |