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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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563 StackTraceFrameIterator it(this); | 563 StackTraceFrameIterator it(this); |
564 int frames_seen = 0; | 564 int frames_seen = 0; |
565 while (!it.done() && (frames_seen < limit)) { | 565 while (!it.done() && (frames_seen < limit)) { |
566 JavaScriptFrame* frame = it.frame(); | 566 JavaScriptFrame* frame = it.frame(); |
567 // Set initial size to the maximum inlining level + 1 for the outermost | 567 // Set initial size to the maximum inlining level + 1 for the outermost |
568 // function. | 568 // function. |
569 List<FrameSummary> frames(Compiler::kMaxInliningLevels + 1); | 569 List<FrameSummary> frames(Compiler::kMaxInliningLevels + 1); |
570 frame->Summarize(&frames); | 570 frame->Summarize(&frames); |
571 for (int i = frames.length() - 1; i >= 0 && frames_seen < limit; i--) { | 571 for (int i = frames.length() - 1; i >= 0 && frames_seen < limit; i--) { |
572 // Create a JSObject to hold the information for the StackFrame. | 572 // Create a JSObject to hold the information for the StackFrame. |
573 Handle<JSObject> stackFrame = factory()->NewJSObject(object_function()); | 573 Handle<JSObject> stack_frame = factory()->NewJSObject(object_function()); |
574 | 574 |
575 Handle<JSFunction> fun = frames[i].function(); | 575 Handle<JSFunction> fun = frames[i].function(); |
576 Handle<Script> script(Script::cast(fun->shared()->script())); | 576 Handle<Script> script(Script::cast(fun->shared()->script())); |
577 | 577 |
578 if (options & StackTrace::kLineNumber) { | 578 if (options & StackTrace::kLineNumber) { |
579 int script_line_offset = script->line_offset()->value(); | 579 int script_line_offset = script->line_offset()->value(); |
580 int position = frames[i].code()->SourcePosition(frames[i].pc()); | 580 int position = frames[i].code()->SourcePosition(frames[i].pc()); |
581 int line_number = GetScriptLineNumber(script, position); | 581 int line_number = GetScriptLineNumber(script, position); |
582 // line_number is already shifted by the script_line_offset. | 582 // line_number is already shifted by the script_line_offset. |
583 int relative_line_number = line_number - script_line_offset; | 583 int relative_line_number = line_number - script_line_offset; |
584 if (options & StackTrace::kColumnOffset && relative_line_number >= 0) { | 584 if (options & StackTrace::kColumnOffset && relative_line_number >= 0) { |
585 Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends())); | 585 Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends())); |
586 int start = (relative_line_number == 0) ? 0 : | 586 int start = (relative_line_number == 0) ? 0 : |
587 Smi::cast(line_ends->get(relative_line_number - 1))->value() + 1; | 587 Smi::cast(line_ends->get(relative_line_number - 1))->value() + 1; |
588 int column_offset = position - start; | 588 int column_offset = position - start; |
589 if (relative_line_number == 0) { | 589 if (relative_line_number == 0) { |
590 // For the case where the code is on the same line as the script | 590 // For the case where the code is on the same line as the script |
591 // tag. | 591 // tag. |
592 column_offset += script->column_offset()->value(); | 592 column_offset += script->column_offset()->value(); |
593 } | 593 } |
594 SetLocalPropertyNoThrow(stackFrame, column_key, | 594 CHECK_NOT_EMPTY_HANDLE( |
595 Handle<Smi>(Smi::FromInt(column_offset + 1))); | 595 this, |
| 596 JSObject::SetLocalPropertyIgnoreAttributes( |
| 597 stack_frame, column_key, |
| 598 Handle<Smi>(Smi::FromInt(column_offset + 1)), NONE)); |
596 } | 599 } |
597 SetLocalPropertyNoThrow(stackFrame, line_key, | 600 CHECK_NOT_EMPTY_HANDLE( |
598 Handle<Smi>(Smi::FromInt(line_number + 1))); | 601 this, |
| 602 JSObject::SetLocalPropertyIgnoreAttributes( |
| 603 stack_frame, line_key, |
| 604 Handle<Smi>(Smi::FromInt(line_number + 1)), NONE)); |
599 } | 605 } |
600 | 606 |
601 if (options & StackTrace::kScriptName) { | 607 if (options & StackTrace::kScriptName) { |
602 Handle<Object> script_name(script->name(), this); | 608 Handle<Object> script_name(script->name(), this); |
603 SetLocalPropertyNoThrow(stackFrame, script_key, script_name); | 609 CHECK_NOT_EMPTY_HANDLE(this, |
| 610 JSObject::SetLocalPropertyIgnoreAttributes( |
| 611 stack_frame, script_key, script_name, NONE)); |
604 } | 612 } |
605 | 613 |
606 if (options & StackTrace::kScriptNameOrSourceURL) { | 614 if (options & StackTrace::kScriptNameOrSourceURL) { |
607 Handle<Object> script_name(script->name(), this); | 615 Handle<Object> script_name(script->name(), this); |
608 Handle<JSValue> script_wrapper = GetScriptWrapper(script); | 616 Handle<JSValue> script_wrapper = GetScriptWrapper(script); |
609 Handle<Object> property = GetProperty(script_wrapper, | 617 Handle<Object> property = GetProperty(script_wrapper, |
610 name_or_source_url_key); | 618 name_or_source_url_key); |
611 ASSERT(property->IsJSFunction()); | 619 ASSERT(property->IsJSFunction()); |
612 Handle<JSFunction> method = Handle<JSFunction>::cast(property); | 620 Handle<JSFunction> method = Handle<JSFunction>::cast(property); |
613 bool caught_exception; | 621 bool caught_exception; |
614 Handle<Object> result = Execution::TryCall(method, script_wrapper, 0, | 622 Handle<Object> result = Execution::TryCall(method, script_wrapper, 0, |
615 NULL, &caught_exception); | 623 NULL, &caught_exception); |
616 if (caught_exception) { | 624 if (caught_exception) { |
617 result = factory()->undefined_value(); | 625 result = factory()->undefined_value(); |
618 } | 626 } |
619 SetLocalPropertyNoThrow(stackFrame, script_name_or_source_url_key, | 627 CHECK_NOT_EMPTY_HANDLE(this, |
620 result); | 628 JSObject::SetLocalPropertyIgnoreAttributes( |
| 629 stack_frame, script_name_or_source_url_key, |
| 630 result, NONE)); |
621 } | 631 } |
622 | 632 |
623 if (options & StackTrace::kFunctionName) { | 633 if (options & StackTrace::kFunctionName) { |
624 Handle<Object> fun_name(fun->shared()->name(), this); | 634 Handle<Object> fun_name(fun->shared()->name(), this); |
625 if (fun_name->ToBoolean()->IsFalse()) { | 635 if (fun_name->ToBoolean()->IsFalse()) { |
626 fun_name = Handle<Object>(fun->shared()->inferred_name(), this); | 636 fun_name = Handle<Object>(fun->shared()->inferred_name(), this); |
627 } | 637 } |
628 SetLocalPropertyNoThrow(stackFrame, function_key, fun_name); | 638 CHECK_NOT_EMPTY_HANDLE(this, |
| 639 JSObject::SetLocalPropertyIgnoreAttributes( |
| 640 stack_frame, function_key, fun_name, NONE)); |
629 } | 641 } |
630 | 642 |
631 if (options & StackTrace::kIsEval) { | 643 if (options & StackTrace::kIsEval) { |
632 int type = Smi::cast(script->compilation_type())->value(); | 644 int type = Smi::cast(script->compilation_type())->value(); |
633 Handle<Object> is_eval = (type == Script::COMPILATION_TYPE_EVAL) ? | 645 Handle<Object> is_eval = (type == Script::COMPILATION_TYPE_EVAL) ? |
634 factory()->true_value() : factory()->false_value(); | 646 factory()->true_value() : factory()->false_value(); |
635 SetLocalPropertyNoThrow(stackFrame, eval_key, is_eval); | 647 CHECK_NOT_EMPTY_HANDLE(this, |
| 648 JSObject::SetLocalPropertyIgnoreAttributes( |
| 649 stack_frame, eval_key, is_eval, NONE)); |
636 } | 650 } |
637 | 651 |
638 if (options & StackTrace::kIsConstructor) { | 652 if (options & StackTrace::kIsConstructor) { |
639 Handle<Object> is_constructor = (frames[i].is_constructor()) ? | 653 Handle<Object> is_constructor = (frames[i].is_constructor()) ? |
640 factory()->true_value() : factory()->false_value(); | 654 factory()->true_value() : factory()->false_value(); |
641 SetLocalPropertyNoThrow(stackFrame, constructor_key, is_constructor); | 655 CHECK_NOT_EMPTY_HANDLE(this, |
| 656 JSObject::SetLocalPropertyIgnoreAttributes( |
| 657 stack_frame, constructor_key, |
| 658 is_constructor, NONE)); |
642 } | 659 } |
643 | 660 |
644 FixedArray::cast(stack_trace->elements())->set(frames_seen, *stackFrame); | 661 FixedArray::cast(stack_trace->elements())->set(frames_seen, *stack_frame); |
645 frames_seen++; | 662 frames_seen++; |
646 } | 663 } |
647 it.Advance(); | 664 it.Advance(); |
648 } | 665 } |
649 | 666 |
650 stack_trace->set_length(Smi::FromInt(frames_seen)); | 667 stack_trace->set_length(Smi::FromInt(frames_seen)); |
651 return stack_trace; | 668 return stack_trace; |
652 } | 669 } |
653 | 670 |
654 | 671 |
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1727 inner_pointer_to_code_cache_ = new InnerPointerToCodeCache(this); | 1744 inner_pointer_to_code_cache_ = new InnerPointerToCodeCache(this); |
1728 write_input_buffer_ = new StringInputBuffer(); | 1745 write_input_buffer_ = new StringInputBuffer(); |
1729 global_handles_ = new GlobalHandles(this); | 1746 global_handles_ = new GlobalHandles(this); |
1730 bootstrapper_ = new Bootstrapper(); | 1747 bootstrapper_ = new Bootstrapper(); |
1731 handle_scope_implementer_ = new HandleScopeImplementer(this); | 1748 handle_scope_implementer_ = new HandleScopeImplementer(this); |
1732 stub_cache_ = new StubCache(this); | 1749 stub_cache_ = new StubCache(this); |
1733 regexp_stack_ = new RegExpStack(); | 1750 regexp_stack_ = new RegExpStack(); |
1734 regexp_stack_->isolate_ = this; | 1751 regexp_stack_->isolate_ = this; |
1735 | 1752 |
1736 // Enable logging before setting up the heap | 1753 // Enable logging before setting up the heap |
1737 logger_->Setup(); | 1754 logger_->SetUp(); |
1738 | 1755 |
1739 CpuProfiler::Setup(); | 1756 CpuProfiler::SetUp(); |
1740 HeapProfiler::Setup(); | 1757 HeapProfiler::SetUp(); |
1741 | 1758 |
1742 // Initialize other runtime facilities | 1759 // Initialize other runtime facilities |
1743 #if defined(USE_SIMULATOR) | 1760 #if defined(USE_SIMULATOR) |
1744 #if defined(V8_TARGET_ARCH_ARM) || defined(V8_TARGET_ARCH_MIPS) | 1761 #if defined(V8_TARGET_ARCH_ARM) || defined(V8_TARGET_ARCH_MIPS) |
1745 Simulator::Initialize(this); | 1762 Simulator::Initialize(this); |
1746 #endif | 1763 #endif |
1747 #endif | 1764 #endif |
1748 | 1765 |
1749 { // NOLINT | 1766 { // NOLINT |
1750 // Ensure that the thread has a valid stack guard. The v8::Locker object | 1767 // Ensure that the thread has a valid stack guard. The v8::Locker object |
1751 // will ensure this too, but we don't have to use lockers if we are only | 1768 // will ensure this too, but we don't have to use lockers if we are only |
1752 // using one thread. | 1769 // using one thread. |
1753 ExecutionAccess lock(this); | 1770 ExecutionAccess lock(this); |
1754 stack_guard_.InitThread(lock); | 1771 stack_guard_.InitThread(lock); |
1755 } | 1772 } |
1756 | 1773 |
1757 // Setup the object heap. | 1774 // SetUp the object heap. |
1758 const bool create_heap_objects = (des == NULL); | 1775 const bool create_heap_objects = (des == NULL); |
1759 ASSERT(!heap_.HasBeenSetup()); | 1776 ASSERT(!heap_.HasBeenSetUp()); |
1760 if (!heap_.Setup(create_heap_objects)) { | 1777 if (!heap_.SetUp(create_heap_objects)) { |
1761 V8::SetFatalError(); | 1778 V8::SetFatalError(); |
1762 return false; | 1779 return false; |
1763 } | 1780 } |
1764 | 1781 |
1765 InitializeThreadLocal(); | 1782 InitializeThreadLocal(); |
1766 | 1783 |
1767 bootstrapper_->Initialize(create_heap_objects); | 1784 bootstrapper_->Initialize(create_heap_objects); |
1768 builtins_.Setup(create_heap_objects); | 1785 builtins_.SetUp(create_heap_objects); |
1769 | 1786 |
1770 // Only preallocate on the first initialization. | 1787 // Only preallocate on the first initialization. |
1771 if (FLAG_preallocate_message_memory && preallocated_message_space_ == NULL) { | 1788 if (FLAG_preallocate_message_memory && preallocated_message_space_ == NULL) { |
1772 // Start the thread which will set aside some memory. | 1789 // Start the thread which will set aside some memory. |
1773 PreallocatedMemoryThreadStart(); | 1790 PreallocatedMemoryThreadStart(); |
1774 preallocated_message_space_ = | 1791 preallocated_message_space_ = |
1775 new NoAllocationStringAllocator( | 1792 new NoAllocationStringAllocator( |
1776 preallocated_memory_thread_->data(), | 1793 preallocated_memory_thread_->data(), |
1777 preallocated_memory_thread_->length()); | 1794 preallocated_memory_thread_->length()); |
1778 PreallocatedStorageInit(preallocated_memory_thread_->length() / 4); | 1795 PreallocatedStorageInit(preallocated_memory_thread_->length() / 4); |
1779 } | 1796 } |
1780 | 1797 |
1781 if (FLAG_preemption) { | 1798 if (FLAG_preemption) { |
1782 v8::Locker locker; | 1799 v8::Locker locker; |
1783 v8::Locker::StartPreemption(100); | 1800 v8::Locker::StartPreemption(100); |
1784 } | 1801 } |
1785 | 1802 |
1786 #ifdef ENABLE_DEBUGGER_SUPPORT | 1803 #ifdef ENABLE_DEBUGGER_SUPPORT |
1787 debug_->Setup(create_heap_objects); | 1804 debug_->SetUp(create_heap_objects); |
1788 #endif | 1805 #endif |
1789 stub_cache_->Initialize(create_heap_objects); | 1806 stub_cache_->Initialize(create_heap_objects); |
1790 | 1807 |
1791 // If we are deserializing, read the state into the now-empty heap. | 1808 // If we are deserializing, read the state into the now-empty heap. |
1792 if (des != NULL) { | 1809 if (des != NULL) { |
1793 des->Deserialize(); | 1810 des->Deserialize(); |
1794 stub_cache_->Initialize(true); | 1811 stub_cache_->Initialize(true); |
1795 } | 1812 } |
1796 | 1813 |
1797 // Finish initialization of ThreadLocal after deserialization is done. | 1814 // Finish initialization of ThreadLocal after deserialization is done. |
1798 clear_pending_exception(); | 1815 clear_pending_exception(); |
1799 clear_pending_message(); | 1816 clear_pending_message(); |
1800 clear_scheduled_exception(); | 1817 clear_scheduled_exception(); |
1801 | 1818 |
1802 // Deserializing may put strange things in the root array's copy of the | 1819 // Deserializing may put strange things in the root array's copy of the |
1803 // stack guard. | 1820 // stack guard. |
1804 heap_.SetStackLimits(); | 1821 heap_.SetStackLimits(); |
1805 | 1822 |
1806 deoptimizer_data_ = new DeoptimizerData; | 1823 deoptimizer_data_ = new DeoptimizerData; |
1807 runtime_profiler_ = new RuntimeProfiler(this); | 1824 runtime_profiler_ = new RuntimeProfiler(this); |
1808 runtime_profiler_->Setup(); | 1825 runtime_profiler_->SetUp(); |
1809 | 1826 |
1810 // If we are deserializing, log non-function code objects and compiled | 1827 // If we are deserializing, log non-function code objects and compiled |
1811 // functions found in the snapshot. | 1828 // functions found in the snapshot. |
1812 if (des != NULL && (FLAG_log_code || FLAG_ll_prof)) { | 1829 if (des != NULL && (FLAG_log_code || FLAG_ll_prof)) { |
1813 HandleScope scope; | 1830 HandleScope scope; |
1814 LOG(this, LogCodeObjects()); | 1831 LOG(this, LogCodeObjects()); |
1815 LOG(this, LogCompiledFunctions()); | 1832 LOG(this, LogCompiledFunctions()); |
1816 } | 1833 } |
1817 | 1834 |
1818 state_ = INITIALIZED; | 1835 state_ = INITIALIZED; |
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1901 | 1918 |
1902 #ifdef DEBUG | 1919 #ifdef DEBUG |
1903 #define ISOLATE_FIELD_OFFSET(type, name, ignored) \ | 1920 #define ISOLATE_FIELD_OFFSET(type, name, ignored) \ |
1904 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_); | 1921 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_); |
1905 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET) | 1922 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET) |
1906 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET) | 1923 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET) |
1907 #undef ISOLATE_FIELD_OFFSET | 1924 #undef ISOLATE_FIELD_OFFSET |
1908 #endif | 1925 #endif |
1909 | 1926 |
1910 } } // namespace v8::internal | 1927 } } // namespace v8::internal |
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