[Bug libgcc/57851] New: [patch] unwinding via signal trampoline for kfreebsd*-gnu

[Petr.Salinger at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57851

            Bug ID: 57851
           Summary: [patch] unwinding via signal trampoline for
                    kfreebsd*-gnu
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: libgcc
          Assignee: unassigned at gcc dot gnu.org
          Reporter: Petr.Salinger at seznam dot cz

Created attachment 30476
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30476&action=edit
proposed patch

Please add support for unwinding through signal handler for GNU/kFreeBSD.

The attached patch is tested on GNU/kFreeBSD, both 32-bit and 64-bit.
The i386/freebsd-unwind.h is probably also suitable for plain FreeBSD.