[Bug 223752] clang __attribute__((constructor)) gets wrong input parameters

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Nov 20 07:57:42 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223752

Dimitry Andric <dim at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|New                         |Closed
         Resolution|---                         |Works As Intended

--- Comment #20 from Dimitry Andric <dim at FreeBSD.org> ---
Unfortunately, as you both point out, the exact signature of C constructors and
destructors is not explicitly documented.  However, glibc calls them without
any arguments, and ignores the return value:

https://sourceware.org/git/?p=glibc.git;a=blob;f=elf/soinit.c;h=fe9935732b2dcc3d71b5c0f2e52c32efc642d160;hb=HEAD#l20

and all its test cases and examples use void func(void).

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