1  /*
       2   * Copyright (c) 2010-2021 The strace developers.
       3   * All rights reserved.
       4   *
       5   * SPDX-License-Identifier: LGPL-2.1-or-later
       6   */
       7  
       8  /* Return codes: 1 - ok, 0 - ignore, other - error. */
       9  static int
      10  arch_check_scno(struct tcb *tcp)
      11  {
      12  
      13  	const kernel_ulong_t scno = ptrace_sci.entry.nr;
      14  
      15  	if (tcp->currpers == 0 && !(scno & __X32_SYSCALL_BIT)) {
      16  		error_msg("syscall_%" PRI_klu "(...) in unsupported "
      17  			  "64-bit mode of process PID=%d", scno, tcp->pid);
      18  		return 0;
      19  	}
      20  
      21  	return 1;
      22  }