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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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| 4312   v8::Handle<v8::Object> array_obj = v8::Utils::ToLocal(array); | 4312   v8::Handle<v8::Object> array_obj = v8::Utils::ToLocal(array); | 
| 4313   CcTest::global()->Set(array_name, array_obj); | 4313   CcTest::global()->Set(array_name, array_obj); | 
| 4314 | 4314 | 
| 4315   // This should crash with a protection violation if we are running a build | 4315   // This should crash with a protection violation if we are running a build | 
| 4316   // with the bug. | 4316   // with the bug. | 
| 4317   AlwaysAllocateScope aa_scope(isolate); | 4317   AlwaysAllocateScope aa_scope(isolate); | 
| 4318   v8::Script::Compile(mote_code_string)->Run(); | 4318   v8::Script::Compile(mote_code_string)->Run(); | 
| 4319 } | 4319 } | 
| 4320 | 4320 | 
| 4321 | 4321 | 
| 4322 TEST(Regress168801) { |  | 
| 4323   if (i::FLAG_never_compact) return; |  | 
| 4324   i::FLAG_always_compact = true; |  | 
| 4325   i::FLAG_cache_optimized_code = false; |  | 
| 4326   i::FLAG_allow_natives_syntax = true; |  | 
| 4327   CcTest::InitializeVM(); |  | 
| 4328   Isolate* isolate = CcTest::i_isolate(); |  | 
| 4329   Heap* heap = isolate->heap(); |  | 
| 4330   HandleScope scope(isolate); |  | 
| 4331 |  | 
| 4332   // Perform one initial GC to enable code flushing. |  | 
| 4333   heap->CollectAllGarbage(); |  | 
| 4334 |  | 
| 4335   // Ensure the code ends up on an evacuation candidate. |  | 
| 4336   SimulateFullSpace(heap->code_space()); |  | 
| 4337 |  | 
| 4338   // Prepare an unoptimized function that is eligible for code flushing. |  | 
| 4339   Handle<JSFunction> function; |  | 
| 4340   { |  | 
| 4341     HandleScope inner_scope(isolate); |  | 
| 4342     CompileRun("function mkClosure() {" |  | 
| 4343                "  return function(x) { return x + 1; };" |  | 
| 4344                "}" |  | 
| 4345                "var f = mkClosure();" |  | 
| 4346                "f(1); f(2);"); |  | 
| 4347 |  | 
| 4348     Handle<JSFunction> f = |  | 
| 4349         v8::Utils::OpenHandle( |  | 
| 4350             *v8::Handle<v8::Function>::Cast( |  | 
| 4351                 CcTest::global()->Get(v8_str("f")))); |  | 
| 4352     CHECK(f->is_compiled()); |  | 
| 4353     const int kAgingThreshold = 6; |  | 
| 4354     for (int i = 0; i < kAgingThreshold; i++) { |  | 
| 4355       f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |  | 
| 4356     } |  | 
| 4357 |  | 
| 4358     function = inner_scope.CloseAndEscape(handle(*f, isolate)); |  | 
| 4359   } |  | 
| 4360 |  | 
| 4361   // Simulate incremental marking so that unoptimized function is enqueued as a |  | 
| 4362   // candidate for code flushing. The shared function info however will not be |  | 
| 4363   // explicitly enqueued. |  | 
| 4364   SimulateIncrementalMarking(heap); |  | 
| 4365 |  | 
| 4366   // Now optimize the function so that it is taken off the candidate list. |  | 
| 4367   { |  | 
| 4368     HandleScope inner_scope(isolate); |  | 
| 4369     CompileRun("%OptimizeFunctionOnNextCall(f); f(3);"); |  | 
| 4370   } |  | 
| 4371 |  | 
| 4372   // This cycle will bust the heap and subsequent cycles will go ballistic. |  | 
| 4373   heap->CollectAllGarbage(); |  | 
| 4374   heap->CollectAllGarbage(); |  | 
| 4375 } |  | 
| 4376 |  | 
| 4377 |  | 
| 4378 TEST(Regress173458) { |  | 
| 4379   if (i::FLAG_never_compact) return; |  | 
| 4380   i::FLAG_always_compact = true; |  | 
| 4381   i::FLAG_cache_optimized_code = false; |  | 
| 4382   i::FLAG_allow_natives_syntax = true; |  | 
| 4383   CcTest::InitializeVM(); |  | 
| 4384   Isolate* isolate = CcTest::i_isolate(); |  | 
| 4385   Heap* heap = isolate->heap(); |  | 
| 4386   HandleScope scope(isolate); |  | 
| 4387 |  | 
| 4388   // Perform one initial GC to enable code flushing. |  | 
| 4389   heap->CollectAllGarbage(); |  | 
| 4390 |  | 
| 4391   // Ensure the code ends up on an evacuation candidate. |  | 
| 4392   SimulateFullSpace(heap->code_space()); |  | 
| 4393 |  | 
| 4394   // Prepare an unoptimized function that is eligible for code flushing. |  | 
| 4395   Handle<JSFunction> function; |  | 
| 4396   { |  | 
| 4397     HandleScope inner_scope(isolate); |  | 
| 4398     CompileRun("function mkClosure() {" |  | 
| 4399                "  return function(x) { return x + 1; };" |  | 
| 4400                "}" |  | 
| 4401                "var f = mkClosure();" |  | 
| 4402                "f(1); f(2);"); |  | 
| 4403 |  | 
| 4404     Handle<JSFunction> f = |  | 
| 4405         v8::Utils::OpenHandle( |  | 
| 4406             *v8::Handle<v8::Function>::Cast( |  | 
| 4407                 CcTest::global()->Get(v8_str("f")))); |  | 
| 4408     CHECK(f->is_compiled()); |  | 
| 4409     const int kAgingThreshold = 6; |  | 
| 4410     for (int i = 0; i < kAgingThreshold; i++) { |  | 
| 4411       f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |  | 
| 4412     } |  | 
| 4413 |  | 
| 4414     function = inner_scope.CloseAndEscape(handle(*f, isolate)); |  | 
| 4415   } |  | 
| 4416 |  | 
| 4417   // Simulate incremental marking so that unoptimized function is enqueued as a |  | 
| 4418   // candidate for code flushing. The shared function info however will not be |  | 
| 4419   // explicitly enqueued. |  | 
| 4420   SimulateIncrementalMarking(heap); |  | 
| 4421 |  | 
| 4422   // Now enable the debugger which in turn will disable code flushing. |  | 
| 4423   CHECK(isolate->debug()->Load()); |  | 
| 4424 |  | 
| 4425   // This cycle will bust the heap and subsequent cycles will go ballistic. |  | 
| 4426   heap->CollectAllGarbage(); |  | 
| 4427   heap->CollectAllGarbage(); |  | 
| 4428 } |  | 
| 4429 |  | 
| 4430 |  | 
| 4431 #ifdef DEBUG | 4322 #ifdef DEBUG | 
| 4432 TEST(Regress513507) { | 4323 TEST(Regress513507) { | 
| 4433   i::FLAG_flush_optimized_code_cache = false; | 4324   i::FLAG_flush_optimized_code_cache = false; | 
| 4434   i::FLAG_allow_natives_syntax = true; | 4325   i::FLAG_allow_natives_syntax = true; | 
| 4435   i::FLAG_gc_global = true; | 4326   i::FLAG_gc_global = true; | 
| 4436   CcTest::InitializeVM(); | 4327   CcTest::InitializeVM(); | 
| 4437   Isolate* isolate = CcTest::i_isolate(); | 4328   Isolate* isolate = CcTest::i_isolate(); | 
| 4438   Heap* heap = isolate->heap(); | 4329   Heap* heap = isolate->heap(); | 
| 4439   HandleScope scope(isolate); | 4330   HandleScope scope(isolate); | 
| 4440 | 4331 | 
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| 6424   // The CollectGarbage call above starts sweeper threads. | 6315   // The CollectGarbage call above starts sweeper threads. | 
| 6425   // The crash will happen if the following two functions | 6316   // The crash will happen if the following two functions | 
| 6426   // are called before sweeping finishes. | 6317   // are called before sweeping finishes. | 
| 6427   heap->StartIncrementalMarking(); | 6318   heap->StartIncrementalMarking(); | 
| 6428   heap->FinalizeIncrementalMarkingIfComplete("test"); | 6319   heap->FinalizeIncrementalMarkingIfComplete("test"); | 
| 6429 } | 6320 } | 
| 6430 | 6321 | 
| 6431 | 6322 | 
| 6432 }  // namespace internal | 6323 }  // namespace internal | 
| 6433 }  // namespace v8 | 6324 }  // namespace v8 | 
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