About the dll search algorithm of dlopen

Yaakov Selkowitz yselkowitz@cygwin.com
Wed Jun 1 23:29:00 GMT 2016


On 2016-06-01 15:17, Corinna Vinschen wrote:
> LD_PRELOAD is (kind of) implemented but I think doesn't work as
> intended.  Importing symbols is bound to the name of the DLL they came
> from in a PE/COFF file.

However, as long as you're overriding symbols in cygwin1.dll, 
cygwin_internal(CW_HOOK,...) allows LD_PRELOAD hacks to work as 
intended.  In fact, there are a few in the distro (artsdsp, datefudge, 
pulsedsp, Xdummy).

-- 
Yaakov



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