Mirror of strace – the linux syscall tracer
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nlattr.h 2.4KB

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  1. /*
  2. * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
  3. * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
  4. * Copyright (c) 2016-2017 The strace developers.
  5. * All rights reserved.
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. * 1. Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. * 2. Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. * 3. The name of the author may not be used to endorse or promote products
  16. * derived from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28. */
  29. #ifndef STRACE_NLATTR_H
  30. #define STRACE_NLATTR_H
  31. typedef bool (*nla_decoder_t)(struct tcb *, kernel_ulong_t addr,
  32. unsigned int len, const void *opaque_data);
  33. extern void
  34. decode_nlattr(struct tcb *,
  35. kernel_ulong_t addr,
  36. unsigned int len,
  37. const struct xlat *,
  38. const char *dflt,
  39. const nla_decoder_t *,
  40. unsigned int size,
  41. const void *opaque_data);
  42. #define DECL_NLA(name) \
  43. extern bool \
  44. decode_nla_ ## name(struct tcb *, kernel_ulong_t addr, \
  45. unsigned int len, const void *) \
  46. /* End of DECL_NLA definition. */
  47. DECL_NLA(u8);
  48. DECL_NLA(u16);
  49. DECL_NLA(u32);
  50. DECL_NLA(u64);
  51. DECL_NLA(s8);
  52. DECL_NLA(s16);
  53. DECL_NLA(s32);
  54. DECL_NLA(s64);
  55. DECL_NLA(be16);
  56. DECL_NLA(be64);
  57. DECL_NLA(str);
  58. DECL_NLA(strn);
  59. DECL_NLA(fd);
  60. DECL_NLA(ifindex);
  61. DECL_NLA(meminfo);
  62. DECL_NLA(rt_class);
  63. DECL_NLA(tc_stats);
  64. #endif /* !STRACE_NLATTR_H */