Mirror of strace – the linux syscall tracer
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ipc.c 1.9KB

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  1. /*
  2. * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. The name of the author may not be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. #include "defs.h"
  28. #include "xlat/ipccalls.h"
  29. SYS_FUNC(ipc)
  30. {
  31. unsigned int call = tcp->u_arg[0];
  32. unsigned int version = call >> 16;
  33. call &= 0xffff;
  34. const char *str = xlookup(ipccalls, call);
  35. if (version)
  36. tprintf("%u<<16|", version);
  37. if (str)
  38. tprints(str);
  39. else
  40. tprintf("%u", call);
  41. unsigned int i;
  42. for (i = 1; i < tcp->s_ent->nargs; ++i)
  43. tprintf(", %#" PRI_klx, tcp->u_arg[i]);
  44. return RVAL_DECODED;
  45. }