On Fri, 27 Dec 2019 10:43:16 -0800 John Baldwin <j...@freebsd.org> wrote:
> On 12/26/19 8:07 PM, Justin Hibbits wrote: > > Author: jhibbits > > Date: Fri Dec 27 04:07:03 2019 > > New Revision: 356113 > > URL: https://svnweb.freebsd.org/changeset/base/356113 > > > > Log: > > Eliminate the last MI difference in AT_* definitions (for > > powerpc). > > Summary: > > As a transition aide, implement an alternative elfN_freebsd_fixup > > which is called for old powerpc binaries. Similarly, add a > > translation to rtld to convert old values to new ones (as expected > > by a new rtld). > > Translation of old<->new values is incomplete, but sufficient to > > allow an installworld of a new userspace from an old one when a new > > kernel is running. > > Test Plan: > > Someone needs to see how a new kernel/rtld/libc works with an old > > binary. If if works we can probalby ship this. If not we > > probalby need some more compat bits. > > > > Submitted by: brooks > > Reviewed by: jhibbits > > Differential Revision: https://reviews.freebsd.org/D20799 > > This would be much simpler as a 'sv_copyout_auxargs()' hook instead. > You could even set it directly in the ELFv1 sysvec instead of needing > a runtime check. You could also move it purely into the powerpc code > at that point and not need to stick it in the MI file. > > It probably should also be under COMPAT_FREEBSD12. > Already addressed in r356129. Not under COMPAT_FREEBSD12 just because it's needed for 13 before "today", but I'll probably put it under COMPAT_FREEBSD12 in a month or two, after some soak time. - Justin _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
