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Issue 67197: Start addressing massive arrays on the stack. There is hardly ever... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years, 8 months ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 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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5921 } 5921 }
5922 5922
5923 5923
5924 static Object* Runtime_GetCFrames(Arguments args) { 5924 static Object* Runtime_GetCFrames(Arguments args) {
5925 HandleScope scope; 5925 HandleScope scope;
5926 ASSERT(args.length() == 1); 5926 ASSERT(args.length() == 1);
5927 Object* result = Runtime_CheckExecutionState(args); 5927 Object* result = Runtime_CheckExecutionState(args);
5928 if (result->IsFailure()) return result; 5928 if (result->IsFailure()) return result;
5929 5929
5930 static const int kMaxCFramesSize = 200; 5930 static const int kMaxCFramesSize = 200;
5931 OS::StackFrame frames[kMaxCFramesSize]; 5931 ScopedVector<OS::StackFrame> frames(kMaxCFramesSize);
5932 int frames_count = OS::StackWalk(frames, kMaxCFramesSize); 5932 int frames_count = OS::StackWalk(frames);
5933 if (frames_count == OS::kStackWalkError) { 5933 if (frames_count == OS::kStackWalkError) {
5934 return Heap::undefined_value(); 5934 return Heap::undefined_value();
5935 } 5935 }
5936 5936
5937 Handle<String> address_str = Factory::LookupAsciiSymbol("address"); 5937 Handle<String> address_str = Factory::LookupAsciiSymbol("address");
5938 Handle<String> text_str = Factory::LookupAsciiSymbol("text"); 5938 Handle<String> text_str = Factory::LookupAsciiSymbol("text");
5939 Handle<FixedArray> frames_array = Factory::NewFixedArray(frames_count); 5939 Handle<FixedArray> frames_array = Factory::NewFixedArray(frames_count);
5940 for (int i = 0; i < frames_count; i++) { 5940 for (int i = 0; i < frames_count; i++) {
5941 Handle<JSObject> frame_value = Factory::NewJSObject(Top::object_function()); 5941 Handle<JSObject> frame_value = Factory::NewJSObject(Top::object_function());
5942 frame_value->SetProperty( 5942 frame_value->SetProperty(
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6952 } else { 6952 } else {
6953 // Handle last resort GC and make sure to allow future allocations 6953 // Handle last resort GC and make sure to allow future allocations
6954 // to grow the heap without causing GCs (if possible). 6954 // to grow the heap without causing GCs (if possible).
6955 Counters::gc_last_resort_from_js.Increment(); 6955 Counters::gc_last_resort_from_js.Increment();
6956 Heap::CollectAllGarbage(); 6956 Heap::CollectAllGarbage();
6957 } 6957 }
6958 } 6958 }
6959 6959
6960 6960
6961 } } // namespace v8::internal 6961 } } // namespace v8::internal
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