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Re: effect of -fPIC on code speed
Andrew Haley <aph@redhat.com> writes:
> It's actually part of the C standard: there may only be one definition
> of any symbol, whether that symbol refers to a function or to data. So,
> for every visible symbol X in a program, &X must be the same, no matter
> who is asking. All manner of things break without this.
Are symbols in a shared object loaded with e.g. dlopen "visible" (in the
sense of being unified with symbols in the executable, not visible via a
special lookup like dlsym)?
-Miles
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