granicus.if.org Git - strace/blob - membarrier.c

   1 /*
   2  * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
   3  * Copyright (c) 2015-2018 The strace developers.
   4  * All rights reserved.
   5  *
   6  * SPDX-License-Identifier: LGPL-2.1-or-later
   7  */
   8
   9 #include "defs.h"
  10
  11 #include "xlat/membarrier_cmds.h"
  12
  13 SYS_FUNC(membarrier)
  14 {
  15         if (entering(tcp)) {
  16                 int cmd = tcp->u_arg[0], flags = tcp->u_arg[1];
  17
  18                 printxval(membarrier_cmds, cmd, "MEMBARRIER_CMD_???");
  19                 tprintf(", %d", flags);
  20
  21                 return cmd ? RVAL_DECODED : 0;
  22         }
  23
  24         if (syserror(tcp) || !tcp->u_rval)
  25                 return 0;
  26
  27         tcp->auxstr = sprintflags("", membarrier_cmds,
  28                                   (kernel_ulong_t) tcp->u_rval);
  29         return RVAL_HEX | RVAL_STR;
  30 }