On Sun, Oct 14, 2012 at 06:57:58PM +0000, Christos Zoulas wrote: > In article <20121014184816.ga7...@britannica.bec.de>, > Joerg Sonnenberger <jo...@britannica.bec.de> wrote: > > > >This is wrong in multiple ways: > >(1) Why do we care about FreeBSD compatibility? The existing code is > >pretty much useless and should just die already. There is no support for > >anything modernish anyway. > > Because we want to share implementations of 3rd party programs.
Doesn't sound like a good reason to repeat cruft and more importantly, to extend the list of hard-coded sysctl values. All new code should use sysctl by name. > >(3) The information is already available via libpthread and AT_STACKBASE > >when processing the aux vector directly. > > Is there a way to get information from AUXV after ld.so is done, from libc? > I know about the stack functions in libpthread, but what happens if you > are not threaded? _dlauxinfo(). > > >As such, I ask for reverting this. > > I don't mind. I was just doing some tests with boehm-gc. It would be nice > if there was a way to get to the stack base and size portably. We could provide the stack-related attributes in libc itself for non-threaded applications, but I am not sure how useful that is. boehm-gc pretty much has to deal with multi-threaded code anyway. Joerg
