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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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6696 } | 6696 } |
6697 | 6697 |
6698 | 6698 |
6699 static Object* Runtime_StackOverflow(Arguments args) { | 6699 static Object* Runtime_StackOverflow(Arguments args) { |
6700 NoHandleAllocation na; | 6700 NoHandleAllocation na; |
6701 return Top::StackOverflow(); | 6701 return Top::StackOverflow(); |
6702 } | 6702 } |
6703 | 6703 |
6704 | 6704 |
6705 static Object* Runtime_StackGuard(Arguments args) { | 6705 static Object* Runtime_StackGuard(Arguments args) { |
6706 ASSERT(args.length() == 1); | 6706 ASSERT(args.length() == 0); |
6707 | 6707 |
6708 // First check if this is a real stack overflow. | 6708 // First check if this is a real stack overflow. |
6709 if (StackGuard::IsStackOverflow()) { | 6709 if (StackGuard::IsStackOverflow()) { |
6710 return Runtime_StackOverflow(args); | 6710 return Runtime_StackOverflow(args); |
6711 } | 6711 } |
6712 | 6712 |
6713 return Execution::HandleStackGuardInterrupt(); | 6713 return Execution::HandleStackGuardInterrupt(); |
6714 } | 6714 } |
6715 | 6715 |
6716 | 6716 |
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10157 } else { | 10157 } else { |
10158 // Handle last resort GC and make sure to allow future allocations | 10158 // Handle last resort GC and make sure to allow future allocations |
10159 // to grow the heap without causing GCs (if possible). | 10159 // to grow the heap without causing GCs (if possible). |
10160 Counters::gc_last_resort_from_js.Increment(); | 10160 Counters::gc_last_resort_from_js.Increment(); |
10161 Heap::CollectAllGarbage(false); | 10161 Heap::CollectAllGarbage(false); |
10162 } | 10162 } |
10163 } | 10163 } |
10164 | 10164 |
10165 | 10165 |
10166 } } // namespace v8::internal | 10166 } } // namespace v8::internal |
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