[LLVMdev] LLVM: segfault while modifying a thread-local global variable
Eric Christopher
echristo at apple.com
Wed Nov 9 09:05:42 PST 2011
Which version of LLVM? At any rate I don't recall TLS working for the JIT. It may take some work.
-eric
On Nov 9, 2011, at 4:46 AM, Semion Prihodko wrote:
> OK, that's my fault. I'm running jitted code on linux x86.
>
> 2011/11/9 Duncan Sands <baldrick at free.fr>
> Hi Semion,
>
>
> In my case the LLVM is built with assertions, but this doesn't help. From your
> answer I conclude that thread-local globals are fully implemented in x86 JIT.
>
> you didn't mention the JIT. You didn't give any details at all! That's why I
> was only able to make a generic suggestion. Don't read too much into it.
>
> Ciao, Duncan.
>
> So
> this is strange...
>
> 2011/11/9 Duncan Sands <baldrick at free.fr <mailto:baldrick at free.fr>>
>
>
> Hi Semion,
>
> > Really strange situation: when I modify a thread-local GlobalVariable I get a
> > segfault. It seems to be a bug, doesn't it? Can u suggest me some solution?
>
> build LLVM with assertions enabled. Then you may well get an assertion failure
> with a helpful error message rather than an obscure crash.
>
> Ciao, Duncan.
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