[coco8] Crash stack captures for statically bound JavascriptCore library

Procedure used to capture crash stacks

1. Build JSC library downloaded from Darionco github adaption.
   • see also How to build JSC for iOS
2. Add the library to the coco8 project to be bound statically

Collected crash stacks

1   0x18d353 JSC::CodeBlock::updateAllValueProfilePredictions(JSC::OperationInProgress)
2   0x18a5e7 JSC::CodeBlock::stronglyVisitStrongReferences(JSC::SlotVisitor&)
3   0x18a175 JSC::CodeBlock::visitAggregate(JSC::SlotVisitor&)
4   0x20af6d JSC::FunctionExecutable::visitChildren(JSC::JSCell*, JSC::SlotVisitor&)
5   0x12485b JSC::SlotVisitor::drain()
6   0x20ff6d JSC::Heap::markRoots()
7   0x21063f JSC::Heap::collect(JSC::Heap::SweepToggle)
8   0x13454f JSC::DefaultGCActivityCallback::doWork()
9   0x123a7f JSC::HeapTimer::timerDidFire(__CFRunLoopTimer*, void*)
10  0x23124177 <redacted>
11  0x23123da9 <redacted>
12  0x23121bf5 <redacted>
13  0x230701c9 CFRunLoopRunSpecific
14  0x2306ffbd CFRunLoopRunInMode
15  0x2468caf9 GSEventRunModal
16  0x277a8435 UIApplicationMain
17  0xabcf5 main
18  0x22d1c873 <redacted>

1   0x34c463 WTF::StringImpl::reallocate(WTF::PassRefPtr<WTF::StringImpl>, unsigned int, unsigned char*&)
2   0x34b881 void WTF::StringBuilder::reallocateBuffer<unsigned char>(unsigned int)
3   0x34c0b9 unsigned char* WTF::StringBuilder::appendUninitializedSlow<unsigned char>(unsigned int)
4   0x34bd8f WTF::StringBuilder::append(unsigned char const*, unsigned int)
5   0x204b87 JSC::Interpreter::stackTraceAsString(JSC::ExecState*, WTF::Vector<JSC::StackFrame, 0ul, WTF::CrashOnOverflow>)
6   0x1417e3 JSC::VM::throwException(JSC::ExecState*, JSC::JSValue)
7   0x31f8c9 llint_slow_path_throw
8   0x324e1d llint_op_throw
9   0x20606b JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
10  0x17374b JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
11  0x1fd14b JSC::functionProtoFuncApply(JSC::ExecState*)
12  0x324ec3 llint_native_call_trampoline
13  0x20606b JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
14  0x17374b JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
15  0x26b5dd JSObjectCallAsFunction
16  0xd0531 +[BurksPool callSelector:ofInstance:writeContext:withArguments:]
17  0xceda9 -[BurksPool v_id:i:]
18  0x27e33c11 <redacted>
19  0x28039e05 <redacted>
20  0x27e33bab <redacted>
21  0x27e33faf <redacted>
22  0x27b98e55 <redacted>
23  0x27b994f3 <redacted>
24  0x27a8f219 <redacted>
25  0x27a924bd <redacted>
26  0x2786dc87 <redacted>
27  0x2777ab05 <redacted>
28  0x2777a5e1 <redacted>
29  0x2777a4db <redacted>
30  0x257b305f <redacted>
31  0x5c9b93 _dispatch_client_callout

Additional resources