[llvm-dev] How to pass arbitrary arguments to runFunctionAsMain?

Alberto Barbaro via llvm-dev llvm-dev at lists.llvm.org
Sat Jan 26 00:33:24 PST 2019

Hi Tim,
Thanks for your answer. I'll fix the problem with envp now.

I don't know if you have seen my other question but i was doubting of that
code because I cannot get the proper value of argv at runtime using my
Interpreter. I hope this is the problem. Do you think the same?

Thanks again

On Sat, Jan 26, 2019, 08:22 Tim Northover <t.p.northover at gmail.com wrote:

> On Sat, 26 Jan 2019 at 07:44, Alberto Barbaro via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
> >     const char* const* envp;
> >     [...]
> >     v->runFunctionAsMain(main, parameters, envp);
> envp remains uninitialized here, and runFunctionAsMain appears to
> iterate through it until it reaches a nullptr, so that'll probably
> crash. I think you want
>   const char* const* envp = {nullptr};
> Other than that, it looked sensible to me.
> Cheers.
> Tim.
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