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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/execution.h" | 5 #include "src/execution.h" |
6 | 6 |
7 #include "src/bootstrapper.h" | 7 #include "src/bootstrapper.h" |
8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/isolate-inl.h" | 10 #include "src/isolate-inl.h" |
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27 | 27 |
28 | 28 |
29 void StackGuard::reset_limits(const ExecutionAccess& lock) { | 29 void StackGuard::reset_limits(const ExecutionAccess& lock) { |
30 DCHECK(isolate_ != NULL); | 30 DCHECK(isolate_ != NULL); |
31 thread_local_.jslimit_ = thread_local_.real_jslimit_; | 31 thread_local_.jslimit_ = thread_local_.real_jslimit_; |
32 thread_local_.climit_ = thread_local_.real_climit_; | 32 thread_local_.climit_ = thread_local_.real_climit_; |
33 isolate_->heap()->SetStackLimits(); | 33 isolate_->heap()->SetStackLimits(); |
34 } | 34 } |
35 | 35 |
36 | 36 |
| 37 static PrintDeserializedCodeInfo(Handle<JSFunction> function) { |
| 38 if (function->code() == function->shared()->code() && |
| 39 function->shared()->deserialized()) { |
| 40 PrintF("Running deserialized script: "); |
| 41 Object* script = function->shared()->script(); |
| 42 if (script->IsScript()) { |
| 43 Script::cast(script)->name()->ShortPrint(); |
| 44 } else { |
| 45 function->shared()->script()->ShortPrint(); |
| 46 } |
| 47 PrintF("\n"); |
| 48 } |
| 49 } |
| 50 |
| 51 |
37 MUST_USE_RESULT static MaybeHandle<Object> Invoke( | 52 MUST_USE_RESULT static MaybeHandle<Object> Invoke( |
38 bool is_construct, | 53 bool is_construct, |
39 Handle<JSFunction> function, | 54 Handle<JSFunction> function, |
40 Handle<Object> receiver, | 55 Handle<Object> receiver, |
41 int argc, | 56 int argc, |
42 Handle<Object> args[]) { | 57 Handle<Object> args[]) { |
43 Isolate* isolate = function->GetIsolate(); | 58 Isolate* isolate = function->GetIsolate(); |
44 | 59 |
45 // Entering JavaScript. | 60 // Entering JavaScript. |
46 VMState<JS> state(isolate); | 61 VMState<JS> state(isolate); |
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80 // allocation of handles without explicit handle scopes. | 95 // allocation of handles without explicit handle scopes. |
81 SaveContext save(isolate); | 96 SaveContext save(isolate); |
82 SealHandleScope shs(isolate); | 97 SealHandleScope shs(isolate); |
83 JSEntryFunction stub_entry = FUNCTION_CAST<JSEntryFunction>(code->entry()); | 98 JSEntryFunction stub_entry = FUNCTION_CAST<JSEntryFunction>(code->entry()); |
84 | 99 |
85 // Call the function through the right JS entry stub. | 100 // Call the function through the right JS entry stub. |
86 byte* function_entry = function->code()->entry(); | 101 byte* function_entry = function->code()->entry(); |
87 JSFunction* func = *function; | 102 JSFunction* func = *function; |
88 Object* recv = *receiver; | 103 Object* recv = *receiver; |
89 Object*** argv = reinterpret_cast<Object***>(args); | 104 Object*** argv = reinterpret_cast<Object***>(args); |
| 105 if (FLAG_profile_deserialization) PrintDeserializedCodeInfo(function); |
90 value = | 106 value = |
91 CALL_GENERATED_CODE(stub_entry, function_entry, func, recv, argc, argv); | 107 CALL_GENERATED_CODE(stub_entry, function_entry, func, recv, argc, argv); |
92 } | 108 } |
93 | 109 |
94 #ifdef VERIFY_HEAP | 110 #ifdef VERIFY_HEAP |
95 value->ObjectVerify(); | 111 value->ObjectVerify(); |
96 #endif | 112 #endif |
97 | 113 |
98 // Update the pending exception flag and return the value. | 114 // Update the pending exception flag and return the value. |
99 bool has_exception = value->IsException(); | 115 bool has_exception = value->IsException(); |
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700 } | 716 } |
701 | 717 |
702 isolate_->counters()->stack_interrupts()->Increment(); | 718 isolate_->counters()->stack_interrupts()->Increment(); |
703 isolate_->counters()->runtime_profiler_ticks()->Increment(); | 719 isolate_->counters()->runtime_profiler_ticks()->Increment(); |
704 isolate_->runtime_profiler()->OptimizeNow(); | 720 isolate_->runtime_profiler()->OptimizeNow(); |
705 | 721 |
706 return isolate_->heap()->undefined_value(); | 722 return isolate_->heap()->undefined_value(); |
707 } | 723 } |
708 | 724 |
709 } } // namespace v8::internal | 725 } } // namespace v8::internal |
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