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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/27891] maintenance selftest fail when an executable is loaded
Date: Mon, 13 Sep 2021 11:23:23 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27891

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #1)
>   if (current_program_space->exec_bfd () !=3D NULL)
>     info->flags |=3D USER_SPECIFIED_MACHINE_TYPE;
> ...

This seems incorrect, given that exec arch can be different from the
disassembly arch.

This fixes that:
...
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index e4e7aec4e1c..ab6999ae209 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -7727,7 +7727,9 @@ gdb_print_insn_arm (bfd_vma memaddr, disassemble_info
*info)
      the assert on the mismatch of info->mach and
      bfd_get_mach (current_program_space->exec_bfd ()) in
      default_print_insn.  */
-  if (current_program_space->exec_bfd () !=3D NULL)
+  if (current_program_space->exec_bfd () !=3D NULL
+      && (current_program_space->exec_bfd ()->arch_info
+         =3D=3D gdbarch_bfd_arch_info (gdbarch)))
     info->flags |=3D USER_SPECIFIED_MACHINE_TYPE;

   return default_print_insn (memaddr, info);
...
and consequently the unit test passes for me (not building with --all-targe=
ts
though) with and without exec.

--=20
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