This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: 1008 segfaults in genattr
>>>>> Robert Lipe <robertl@dgii.com> writes:
> Since on ELF systems the .fini stuff is generally implemented under
> the hood as a call to atexit(_fini) (see i386/sol2-c1.asm, others)
Ah...
> the presence of HAVE_ATEXIT() means we are also adding things to be
> called via atexit() and if the system doesn't cleanly handle the case
> of exit recursing, you can see problems like originally described with
> __do_global_dtors() being called twice if you call exit() from a global
> destructor.
I still don't see what this has to do with HAVE_ATEXIT. It doesn't affect
crt1.o, so you have these problems either way. exit() should remove
elements before calling them.
Jason