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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 #include "src/runtime/runtime-utils.h" | 5 #include "src/runtime/runtime-utils.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 | 8 |
9 #include "src/arguments.h" | 9 #include "src/arguments.h" |
10 #include "src/assembler-inl.h" | 10 #include "src/assembler-inl.h" |
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149 } | 149 } |
150 | 150 |
151 | 151 |
152 RUNTIME_FUNCTION(Runtime_IsConcurrentRecompilationSupported) { | 152 RUNTIME_FUNCTION(Runtime_IsConcurrentRecompilationSupported) { |
153 SealHandleScope shs(isolate); | 153 SealHandleScope shs(isolate); |
154 DCHECK_EQ(0, args.length()); | 154 DCHECK_EQ(0, args.length()); |
155 return isolate->heap()->ToBoolean( | 155 return isolate->heap()->ToBoolean( |
156 isolate->concurrent_recompilation_enabled()); | 156 isolate->concurrent_recompilation_enabled()); |
157 } | 157 } |
158 | 158 |
159 RUNTIME_FUNCTION(Runtime_PrintTypeProfile) { | |
160 HandleScope scope(isolate); | |
Yang
2017/03/20 08:48:45
Let's DCHECK that args.length() is 1.
Franzi
2017/03/20 10:09:56
Done.
| |
161 if (!FLAG_type_profile) { | |
162 return isolate->heap()->undefined_value(); | |
163 } | |
164 | |
165 CONVERT_ARG_HANDLE_CHECKED(Object, function_object, 0); | |
166 if (!function_object->IsJSFunction()) { | |
Yang
2017/03/20 08:48:45
You can omit this type check if you define functio
Franzi
2017/03/20 10:09:56
Done.
| |
167 return isolate->heap()->undefined_value(); | |
168 } | |
169 Handle<JSFunction> function = Handle<JSFunction>::cast(function_object); | |
170 | |
171 if (function->has_feedback_vector()) { | |
172 FeedbackVector* vector = function->feedback_vector(); | |
173 | |
174 Object* function_name = vector->shared_function_info()->name(); | |
175 PrintF("Function: %s\n", String::cast(function_name)->ToCString().get()); | |
176 | |
177 FeedbackMetadataIterator iter(vector->metadata()); | |
178 while (iter.HasNext()) { | |
179 FeedbackSlot slot = iter.Next(); | |
180 FeedbackSlotKind kind = iter.kind(); | |
181 if (kind == FeedbackSlotKind::kTypeProfile) { | |
182 CollectTypeProfileNexus nexus(vector, slot); | |
183 nexus.Print(); | |
184 PrintF("\n"); | |
185 return isolate->heap()->undefined_value(); | |
Yang
2017/03/20 08:48:45
Do you really want to return after the first TypeP
Franzi
2017/03/20 10:09:56
Yes! Sorry, I discussed offline with Michi that we
| |
186 } | |
187 } | |
188 } | |
189 return isolate->heap()->undefined_value(); | |
190 } | |
159 | 191 |
160 RUNTIME_FUNCTION(Runtime_OptimizeFunctionOnNextCall) { | 192 RUNTIME_FUNCTION(Runtime_OptimizeFunctionOnNextCall) { |
161 HandleScope scope(isolate); | 193 HandleScope scope(isolate); |
162 | 194 |
163 // This function is used by fuzzers, ignore calls with bogus arguments count. | 195 // This function is used by fuzzers, ignore calls with bogus arguments count. |
164 if (args.length() != 1 && args.length() != 2) { | 196 if (args.length() != 1 && args.length() != 2) { |
165 return isolate->heap()->undefined_value(); | 197 return isolate->heap()->undefined_value(); |
166 } | 198 } |
167 | 199 |
168 // This function is used by fuzzers to get coverage for optimizations | 200 // This function is used by fuzzers to get coverage for optimizations |
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952 isolate->IncrementWaitCountForTesting(); | 984 isolate->IncrementWaitCountForTesting(); |
953 return isolate->heap()->undefined_value(); | 985 return isolate->heap()->undefined_value(); |
954 } | 986 } |
955 | 987 |
956 RUNTIME_FUNCTION(Runtime_DecrementWaitCount) { | 988 RUNTIME_FUNCTION(Runtime_DecrementWaitCount) { |
957 isolate->DecrementWaitCountForTesting(); | 989 isolate->DecrementWaitCountForTesting(); |
958 return isolate->heap()->undefined_value(); | 990 return isolate->heap()->undefined_value(); |
959 } | 991 } |
960 } // namespace internal | 992 } // namespace internal |
961 } // namespace v8 | 993 } // namespace v8 |
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