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Issue 11275186: Collect stack trace on stack overflow. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 1 month ago
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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 2
3 #include <stdlib.h> 3 #include <stdlib.h>
4 4
5 #include "v8.h" 5 #include "v8.h"
6 6
7 #include "compilation-cache.h" 7 #include "compilation-cache.h"
8 #include "execution.h" 8 #include "execution.h"
9 #include "factory.h" 9 #include "factory.h"
10 #include "macro-assembler.h" 10 #include "macro-assembler.h"
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2344 size_t length() const { return length_; } 2344 size_t length() const { return length_; }
2345 2345
2346 bool IsDisposed() { return data_ == NULL; } 2346 bool IsDisposed() { return data_ == NULL; }
2347 2347
2348 private: 2348 private:
2349 const char* data_; 2349 const char* data_;
2350 size_t length_; 2350 size_t length_;
2351 }; 2351 };
2352 2352
2353 2353
2354 TEST(ReleaseStackTraceData) { 2354 void ReleaseStackTraceDataTest(const char* source) {
2355 // Test that the data retained by the Error.stack accessor is released 2355 // Test that the data retained by the Error.stack accessor is released
2356 // after the first time the accessor is fired. We use external string 2356 // after the first time the accessor is fired. We use external string
2357 // to check whether the data is being released since the external string 2357 // to check whether the data is being released since the external string
2358 // resource's callback is fired when the external string is GC'ed. 2358 // resource's callback is fired when the external string is GC'ed.
2359 InitializeVM(); 2359 InitializeVM();
2360 v8::HandleScope scope; 2360 v8::HandleScope scope;
2361 static const char* source = "var error = 1; "
2362 "try { "
2363 " throw new Error(); "
2364 "} catch (e) { "
2365 " error = e; "
2366 "} ";
2367 SourceResource* resource = new SourceResource(i::StrDup(source)); 2361 SourceResource* resource = new SourceResource(i::StrDup(source));
2368 { 2362 {
2369 v8::HandleScope scope; 2363 v8::HandleScope scope;
2370 v8::Handle<v8::String> source_string = v8::String::NewExternal(resource); 2364 v8::Handle<v8::String> source_string = v8::String::NewExternal(resource);
2371 v8::Script::Compile(source_string)->Run(); 2365 v8::Script::Compile(source_string)->Run();
2372 CHECK(!resource->IsDisposed()); 2366 CHECK(!resource->IsDisposed());
2373 } 2367 }
2374 HEAP->CollectAllAvailableGarbage(); 2368 HEAP->CollectAllAvailableGarbage();
2375 // External source is being retained by the stack trace. 2369 // External source is being retained by the stack trace.
2376 CHECK(!resource->IsDisposed()); 2370 CHECK(!resource->IsDisposed());
2377 2371
2378 CompileRun("error.stack; error.stack;"); 2372 CompileRun("error.stack;");
2379 HEAP->CollectAllAvailableGarbage(); 2373 HEAP->CollectAllAvailableGarbage();
2380 // External source has been released. 2374 // External source has been released.
2381 CHECK(resource->IsDisposed()); 2375 CHECK(resource->IsDisposed());
2376 delete resource;
2377 }
2382 2378
2383 delete resource; 2379
2380 TEST(ReleaseStackTraceData) {
2381 static const char* source1 = "var error = null; "
2382 /* Normal Error */ "try { "
2383 " throw new Error(); "
2384 "} catch (e) { "
2385 " error = e; "
2386 "} ";
2387 static const char* source2 = "var error = null; "
2388 /* Stack overflow */ "try { "
2389 " (function f() { f(); })(); "
2390 "} catch (e) { "
2391 " error = e; "
2392 "} ";
2393 ReleaseStackTraceDataTest(source1);
2394 ReleaseStackTraceDataTest(source2);
2384 } 2395 }
2385 2396
2386 2397
2387 TEST(Regression144230) { 2398 TEST(Regression144230) {
2388 InitializeVM(); 2399 InitializeVM();
2389 v8::HandleScope scope; 2400 v8::HandleScope scope;
2390 2401
2391 // First make sure that the uninitialized CallIC stub is on a single page 2402 // First make sure that the uninitialized CallIC stub is on a single page
2392 // that will later be selected as an evacuation candidate. 2403 // that will later be selected as an evacuation candidate.
2393 { 2404 {
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2434 Handle<Object> call_function(call); 2445 Handle<Object> call_function(call);
2435 2446
2436 // Now we are ready to mess up the heap. 2447 // Now we are ready to mess up the heap.
2437 HEAP->CollectAllGarbage(Heap::kReduceMemoryFootprintMask); 2448 HEAP->CollectAllGarbage(Heap::kReduceMemoryFootprintMask);
2438 2449
2439 // Either heap verification caught the problem already or we go kaboom once 2450 // Either heap verification caught the problem already or we go kaboom once
2440 // the CallIC is executed the next time. 2451 // the CallIC is executed the next time.
2441 USE(global->SetProperty(*name, *call_function, NONE, kNonStrictMode)); 2452 USE(global->SetProperty(*name, *call_function, NONE, kNonStrictMode));
2442 CompileRun("call();"); 2453 CompileRun("call();");
2443 } 2454 }
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