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From: "luis.machado at arm dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug tdep/29738] Arm v8 M-profile secure extension dwarf2 unwinder
 performance
Date: Thu, 03 Nov 2022 08:20:11 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29738

--- Comment #3 from Luis Machado <luis.machado at arm dot com> ---
I suppose we'd have the same issue with non-secure m-profiles, as they'd ne=
ed
to do 3 ^ number_of_frame calls as well, based on this code:

      else if (tdep->is_m)
        {
          CORE_ADDR sp
            =3D get_frame_register_unsigned (this_frame, ARM_SP_REGNUM);
          CORE_ADDR msp
            =3D get_frame_register_unsigned (this_frame,
                                           tdep->m_profile_msp_regnum);
          CORE_ADDR psp
            =3D get_frame_register_unsigned (this_frame,
                                           tdep->m_profile_psp_regnum);

--=20
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