[cfarm-users] dylib on macOS 11
eligis at orange.fr
Mon Mar 22 09:26:57 CET 2021
Thanks, very helpful, I'll take a look
From: cfarm-users [mailto:cfarm-users-bounces at lists.tetaneutral.net] On Behalf Of Bruno Haible via cfarm-users
Sent: Monday, March 22, 2021 09:18
To: jullien at eligis.com
Cc: Bruno Haible; cfarm-users at lists.tetaneutral.net
Subject: Re: [cfarm-users] dylib on macOS 11
> To port TinyCC on Silicon we facing a major issue: libc.dylib (link to
> libSystem.dylib) no longer exists on the filesystem, it is cached and
> hidden somewhere in the system.
> You can still dlopen libSystem.dylib and then dlsym any symbols you like
> but you can't fopen libSystem.dylib and then fread the archive as tcc does.
dlopen is what you do at runtime.
At link time, I would open the .tbd file that you find in the lib/ directory
of the SDK. For example,
It contains, in particular, the sections 'exports: symbols:' (which gives you
the list of symbols) and 'install-name:' (which gives you the dlopen'able
file name that you can stuff into the executable).
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