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Re: SH FDPIC ABI spec/binutils and kernel conflict on flag definitions
- From: David Howells <dhowells at redhat dot com>
- To: Rich Felker <dalias at libc dot org>
- Cc: dhowells at redhat dot com, Nick Clifton <nickc at redhat dot com>, linux-sh at vger dot kernel dot org, binutils at sourceware dot org, Oleg Endo <oleg dot endo at t-online dot de>, Steven Miao <realmz6 at gmail dot com>
- Date: Thu, 10 Sep 2015 16:45:30 +0100
- Subject: Re: SH FDPIC ABI spec/binutils and kernel conflict on flag definitions
- Authentication-results: sourceware.org; auth=none
- References: <20150910145808 dot GN17773 at brightrain dot aerifal dot cx> <20150910033400 dot GM17773 at brightrain dot aerifal dot cx> <55F17015 dot 8090207 at redhat dot com>
Rich Felker <dalias@libc.org> wrote:
> > I think that adopting the kernel's behaviour as correct would set a
> > dangerous precedent. A published ABI should be followed, and if the
> > kernel does not implement it, then the kernel is wrong.
The kernel practice is that once an ABI is set, even if it's actually
implemented incorrectly, you cannot change it.
David