On Wed, Mar 28, 2018 at 3:17 PM, A. Wilcox <awil...@wilcox-tech.com> wrote: > On 03/28/18 13:38, Nathan Whitehorn wrote: >> Is this big-endian support or V1 support being removed? We support >> the V2 ABI fully on FreeBSD, but not (yet) little-endian. Like on >> Linux, the default ABI on big-endian will likely remain V1 for the >> indefinite future, > > This is an important distinction to make (big-endian != ELFv1, and ELFv1 > != big-endian). > > But do note that on Linux, the musl libc (in use by distros like Alpine, > Adélie, postmarketOS) only supports ELFv2, even in big-endian mode. And > as the maintainer of Adélie using it as a daily-driver on an iMac G5, > it's definitely something you can use (the only breakage I've seen so > far on Linux is the PCRE JIT ignoring __CALL_ELF and inserting function > descriptors anyway). > > So I wouldn't discount moving to ELFv2 ABI on BE if that is necessary to > keep LLVM happy. It'd be some effort but it should work. > > If this is really something FreeBSD is interested in, you might even > manage to convince me to put on my ports hat again, to help get the JIT > patches in that are needed for upstreams that went comatose. > > > Best, > --arw > > >> however, and it would be good if it were at least simple to re-add >> support at some later date. -Nathan >> > > -- > A. Wilcox (awilfox) > Open-source programmer (C, C++, Python) > https://code.foxkit.us/u/awilfox/ >
Moving to ELFv2 is predicated on having a complete toolchain supporting it. Right now, base gcc+binutils only supports ELFv1, and we cannot upgrade to newer toolchain yet. - Justin _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
