Unix Programming - Re: Possible to do the equivalent of dlopen with an executable

Author

Re: Possible to do the equivalent of dlopen with an executable

Paul Pluzhnikov

2006-07-21, 1:20 pm

Alan Coopersmith <alanc@alum.calberkeley.org> writes:

> Paul Pluzhnikov <ppluzhnikov-nsp@charter.net> writes in comp.unix.solaris:
....
> |All you have to do is "pretend" that your executable is the dynamic
> |linker (/lib/ld.so.1) and load (mmap) the executable yourself...
....
> XFree86 did this for the driver modules.

Interesting. I never looked at that code.

Did it actually implement complete ld.so equivalent, or did it
"cheat" by resolving all references at driver load time (equivalent
of LD_BIND_NOW)? Were the modules in ELF, or some other more
convenient and simpler format?

Thanks,
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