This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Is this a bug in libffi testsuite on solaris2.8?


Bradley Lucier <lucier@math.purdue.edu> writes:

> My systems administrators told me they are getting the following in in
> /var/adm/messages on the sparc-sun-solaris2.8 box I use to bootstrap
> and regression-test mainline every night:
>
> Oct 30 04:58:37 banach.math.purdue.edu genunix: [ID 533030
> kern.notice] NOTICE: unwindtest.exe[7957]  attempt to execute code on
> stack by uid <xxx>
>
> and I happen to be the lucky owner of uid <xxx>.  The unwindtest.cc
> tests pass on libffi, but is this a bug in the testsuite, a bogus
> warning, or something else?

Looking at libffi/src/sparc/ffi.c (ffi_prep_closure, in particular)
leads me to believe that libffi intentionally places code on the stack
and executes it.  This is unfortunate but may be unavoidable.

zw


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]