[Vm-dev] Call to Unix experts: how i can obtain a pointers to mmap/dlopen/dlsym functions?

[Bert Freudenberg]

On 25.09.2010, at 16:27, Igor Stasenko wrote:

> 
> On 25 September 2010 15:02, Bert Freudenberg <bert at freudenbergs.de> wrote:
>> 
>> On 25.09.2010, at 03:14, Igor Stasenko wrote:
>>> 
>>> Is there alias of some sort, which identifies standard C library?
>> 
>> Yes: ''
>> 
> It actually identified main module (or global symbol space, if you want).
> But it doesn't works :(

It used to work. Guess we need to fix it?

- Bert -


> Or.. maybe it works, returning  handle = 0, except that
> if i passing handle=0 to ioLoadSymbolOfLengthFromModule() its crashing the VM.
> 
> I mean, since ioLoadSymbolOfLengthFromModule() ends up with dlsym() call,
> i tried to use RTLD_DEFAULT=0 constant as module handle.
> 
> So, currently i'm end up with extending plugin with primitive, which
> returns me an address
> of dlsym() function. So, then i can discover anything else through it.
> 
>> - Bert -
>> 
>> 
> 
> 
> 
> -- 
> Best regards,
> Igor Stasenko AKA sig.