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From: "emaste at freebsd dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/114839] g++-linked FreeBSD static binaries abort upon
 exception
Date: Wed, 24 Apr 2024 18:05:49 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114839

--- Comment #3 from Ed Maste <emaste at freebsd dot org> ---
(In reply to Andrew Pinski from comment #2)

> Is it the case that unwinder from LLVM needs a .eh_frame_hdr for static
> binaries while GCC's libgcc one does not?

That's possible, but in the investigation in the FreeBSD bug report I belie=
ve
that GCC's libgcc is being used here:

#0  0x00000000004d4dca in thr_kill ()
#1  0x00000000004c226f in raise ()
#2  0x00000000004df6f9 in abort ()
#3  0x0000000000402bef in uw_init_context_1 (
    context=3Dcontext@entry=3D0x7fffdfffdd50,=20
    outer_cfa=3Douter_cfa@entry=3D0x7fffdfffdf80,=20
    outer_ra=3D0x4b2326 <thread_unwind+54>)
    at ../../../gcc-13.2.0/libgcc/unwind-dw2.c:1336
#4  0x00000000004ad986 in _Unwind_ForcedUnwind (exc=3D0x800818940,=20
    stop=3D0x4b24d0 <thread_unwind_stop>, stop_argument=3D0x0)
    at ../../../gcc-13.2.0/libgcc/unwind.inc:212=