[LLVMdev] LLVM: to catch 'unwind' instruction from calling C++ code

[Semion Prihodko]

oops... so how can unwind stack up to invoke call? Is there an alternative
to establish a custom exception handling?

2011/11/7 Duncan Sands <baldrick at free.fr>
>
>> Hi Semion, the unwind instruction has been removed from LLVM.  Also, the
>> JIT
>> and code generators never supported it: it never unwound the stack, it
>> just
>> resulted in a nasty crash.
>>
>> Ciao, Duncan.
>>
>> > I have a little problem using LLVM and will be happy to get a solution.
>> I need
>> > to handle in C++ code an uncaught unwind instruction while calling JIT
>> (now I
>> > get segfault). I mean something like nonexistent
>> ExecutionEngine::invokeFunction
>> > instead of callFunction. Setting llvm::JITExceptionHandling to true
>> > and enclosing the JIT-call within try/catch block does not help here,
>> because
>> > there is no C++ style exception thrown, but a simple unwind
>> instruction. Thanks
>> > in advance.
>> >
>> >
>> >
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