Date: Sat, 8 Dec 2012 23:30:59 -0800 From: Isaac Dunham <idunham@...abit.com> To: musl@...ts.openwall.com Subject: Re: static linking and dlopen On Sun, 9 Dec 2012 03:55:30 +0100 Szabolcs Nagy <nsz@...t70.net> wrote: > i think one could make a dso that has no dependency > (all dependencies are linked into it including libc), > and no pointers are passed (directly or indirectly) > to types which are not entirely part of the abi > between the dso and the main binary > (ie no FILE* or anything that might have different > internals on the two sides) Under at least glibc, this is supported. This is what gcc/ld does with "-static -shared". > in that case dlopen() would work and even dlclose() > can be safe (as the programmer has control over the > entire code) > > of course care should be taken and it might not be > very useful but one could implement loadable/unloadable > plugins with static linking -- Isaac Dunham <idunham@...abit.com>
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