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Side by Side Diff: src/deoptimizer.h

Issue 919953002: CPUProfiler: Push deopt reason further to ProfileNode. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: unnecessary changes were removed Created 5 years, 10 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_DEOPTIMIZER_H_ 5 #ifndef V8_DEOPTIMIZER_H_
6 #define V8_DEOPTIMIZER_H_ 6 #define V8_DEOPTIMIZER_H_
7 7
8 #include "src/v8.h" 8 #include "src/v8.h"
9 9
10 #include "src/allocation.h" 10 #include "src/allocation.h"
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174 // debugger to deoptimize stack frames to allow inspection. 174 // debugger to deoptimize stack frames to allow inspection.
175 DEBUGGER, 175 DEBUGGER,
176 kBailoutTypesWithCodeEntry = SOFT + 1 176 kBailoutTypesWithCodeEntry = SOFT + 1
177 }; 177 };
178 178
179 #define DEOPT_MESSAGES_CONSTANTS(C, T) C, 179 #define DEOPT_MESSAGES_CONSTANTS(C, T) C,
180 enum DeoptReason { 180 enum DeoptReason {
181 DEOPT_MESSAGES_LIST(DEOPT_MESSAGES_CONSTANTS) kLastDeoptReason 181 DEOPT_MESSAGES_LIST(DEOPT_MESSAGES_CONSTANTS) kLastDeoptReason
182 }; 182 };
183 #undef DEOPT_MESSAGES_CONSTANTS 183 #undef DEOPT_MESSAGES_CONSTANTS
184
185 static const char* GetDeoptReason(DeoptReason deopt_reason); 184 static const char* GetDeoptReason(DeoptReason deopt_reason);
186 185
187 struct DeoptInfo { 186 struct DeoptInfo {
188 DeoptInfo(int r, const char* m, DeoptReason d) 187 DeoptInfo(int r, const char* m, DeoptReason d)
189 : raw_position(r), mnemonic(m), deopt_reason(d) {} 188 : raw_position(r), mnemonic(m), deopt_reason(d) {}
190 189
191 bool operator==(const DeoptInfo& other) const {
192 return raw_position == other.raw_position &&
193 CStringEquals(mnemonic, other.mnemonic) &&
194 deopt_reason == other.deopt_reason;
195 }
196
197 bool operator!=(const DeoptInfo& other) const { return !(*this == other); }
198
199 int raw_position; 190 int raw_position;
200 const char* mnemonic; 191 const char* mnemonic;
201 DeoptReason deopt_reason; 192 DeoptReason deopt_reason;
202 }; 193 };
203 194
204 static DeoptInfo GetDeoptInfo(Code* code, int bailout_id); 195 static DeoptInfo GetDeoptInfo(Code* code, int bailout_id);
205 196
206 struct JumpTableEntry : public ZoneObject { 197 struct JumpTableEntry : public ZoneObject {
207 inline JumpTableEntry(Address entry, const DeoptInfo& deopt_info, 198 inline JumpTableEntry(Address entry, const DeoptInfo& deopt_info,
208 Deoptimizer::BailoutType type, bool frame) 199 Deoptimizer::BailoutType type, bool frame)
209 : label(), 200 : label(),
210 address(entry), 201 address(entry),
211 deopt_info(deopt_info), 202 deopt_info(deopt_info),
212 bailout_type(type), 203 bailout_type(type),
213 needs_frame(frame) {} 204 needs_frame(frame) {}
214 205
215 bool IsEquivalentTo(const JumpTableEntry& other) const { 206 bool IsEquivalentTo(const JumpTableEntry& other) const {
216 return address == other.address && bailout_type == other.bailout_type && 207 return address == other.address && bailout_type == other.bailout_type &&
217 needs_frame == other.needs_frame && 208 needs_frame == other.needs_frame;
218 (!FLAG_trace_deopt || deopt_info == other.deopt_info);
219 } 209 }
220 210
221 Label label; 211 Label label;
222 Address address; 212 Address address;
223 DeoptInfo deopt_info; 213 DeoptInfo deopt_info;
224 Deoptimizer::BailoutType bailout_type; 214 Deoptimizer::BailoutType bailout_type;
225 bool needs_frame; 215 bool needs_frame;
226 }; 216 };
227 217
228 static bool TraceEnabledFor(BailoutType deopt_type, 218 static bool TraceEnabledFor(BailoutType deopt_type,
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1066 Object** parameters_; 1056 Object** parameters_;
1067 Object** expression_stack_; 1057 Object** expression_stack_;
1068 int source_position_; 1058 int source_position_;
1069 1059
1070 friend class Deoptimizer; 1060 friend class Deoptimizer;
1071 }; 1061 };
1072 1062
1073 } } // namespace v8::internal 1063 } } // namespace v8::internal
1074 1064
1075 #endif // V8_DEOPTIMIZER_H_ 1065 #endif // V8_DEOPTIMIZER_H_
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