[TUHS] shared objects in Unix
Henry Bent
henry.r.bent at gmail.com
Fri Mar 30 08:01:42 AEST 2018
On 29 March 2018 at 17:37, Paul Winalski <paul.winalski at gmail.com> wrote:
>
> What is the history of shared objects on Unix? When did they first
> appear, and with what object/executable file format? The a.out ZMAGIC
> format doesn't seem to support them. I don't recall if COFF does.
>
IRIX 4 had COFF shared libraries, barely. The OS included libc_s, libgl_s,
and maybe one or two other things. They were very difficult and
time-consuming to create, and if you had external dependencies then things
were even worse.
-Henry
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