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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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8119 if (arguments.is_null()) { | 8119 if (arguments.is_null()) { |
8120 // FunctionGetArguments can't throw an exception, so cast away the | 8120 // FunctionGetArguments can't throw an exception, so cast away the |
8121 // doubt with an assert. | 8121 // doubt with an assert. |
8122 arguments = Handle<Object>( | 8122 arguments = Handle<Object>( |
8123 Accessors::FunctionGetArguments(*function, | 8123 Accessors::FunctionGetArguments(*function, |
8124 NULL)->ToObjectUnchecked()); | 8124 NULL)->ToObjectUnchecked()); |
8125 ASSERT(*arguments != isolate->heap()->null_value()); | 8125 ASSERT(*arguments != isolate->heap()->null_value()); |
8126 ASSERT(*arguments != isolate->heap()->undefined_value()); | 8126 ASSERT(*arguments != isolate->heap()->undefined_value()); |
8127 } | 8127 } |
8128 frame->SetExpression(i, *arguments); | 8128 frame->SetExpression(i, *arguments); |
| 8129 if (FLAG_trace_deopt) { |
| 8130 PrintF("Materializing arguments object for frame %p - %p: %p ", |
| 8131 reinterpret_cast<void*>(frame->sp()), |
| 8132 reinterpret_cast<void*>(frame->fp()), |
| 8133 reinterpret_cast<void*>(*arguments)); |
| 8134 arguments->ShortPrint(); |
| 8135 PrintF("\n"); |
| 8136 } |
8129 } | 8137 } |
8130 } | 8138 } |
8131 } | 8139 } |
8132 | 8140 |
8133 | 8141 |
8134 RUNTIME_FUNCTION(MaybeObject*, Runtime_NotifyDeoptimized) { | 8142 RUNTIME_FUNCTION(MaybeObject*, Runtime_NotifyDeoptimized) { |
8135 HandleScope scope(isolate); | 8143 HandleScope scope(isolate); |
8136 ASSERT(args.length() == 1); | 8144 ASSERT(args.length() == 1); |
8137 RUNTIME_ASSERT(args[0]->IsSmi()); | 8145 RUNTIME_ASSERT(args[0]->IsSmi()); |
8138 Deoptimizer::BailoutType type = | 8146 Deoptimizer::BailoutType type = |
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13346 // Handle last resort GC and make sure to allow future allocations | 13354 // Handle last resort GC and make sure to allow future allocations |
13347 // to grow the heap without causing GCs (if possible). | 13355 // to grow the heap without causing GCs (if possible). |
13348 isolate->counters()->gc_last_resort_from_js()->Increment(); | 13356 isolate->counters()->gc_last_resort_from_js()->Increment(); |
13349 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, | 13357 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, |
13350 "Runtime::PerformGC"); | 13358 "Runtime::PerformGC"); |
13351 } | 13359 } |
13352 } | 13360 } |
13353 | 13361 |
13354 | 13362 |
13355 } } // namespace v8::internal | 13363 } } // namespace v8::internal |
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