Re: [PATCH v3] libgcc: rs6000: fix TOC restore when unwinding on FreeBSD powerpc64 ELFv2 [PR target/125803]
Avinash Jayakar <[email protected]>
| Newsgroups | gmane.comp.gcc.patches |
|---|---|
| Message-ID | <[email protected]> |
Hi, In the bug it was mentioned that this issue is present on 14,15 and 16. Does this need backports? Regards, Avinash Jayakar On Wed, 2026-07-29 at 12:50 +0200, Gerald Pfeifer wrote: > On Fri, 24 Jul 2026, Michael Meissner wrote: > > > libgcc/ChangeLog: > > > > > > PR target/125803 > > > * config/rs6000/freebsd-unwind.h (TOC_SAVE_SLOT): New > > > macro, > > > defined according to _CALL_ELF. > > > (frob_update_context): Use TOC_SAVE_SLOT instead of the > > > hard-coded ELFv1 offset 40 when checking for and > > > locating the > > > saved TOC, so that r2 is restored correctly under > > > ELFv2. Guard > > > the ELFv1-only PLT stub and function pointer call > > > sequences > > > with _CALL_ELF != 2, mirroring linux-unwind.h. > > I approve this to be applied to the master branch and back ported > > to > > GCC 16 if it is needed. I assume you will fix any freebsd errors > > that > > come up to this patch if it is needed. > > Thank you for the review, Michael. > > Piotr, I pushed this to trunk for you. > > Gerald >