Currently single-stepping SVC executes two instructions. The reason is
that EXCP_DEBUG for the SVC instruction itself is masked by EXCP_SVC.
Fix by re-raising EXCP_DEBUG.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230510230213.330134-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 01b9990a3fb84bb9a14017255ab1a4fa86588215)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>