instrumentation/syscalls/headers/syscalls_pointers_override.h

   1 #define OVERRIDE_32_execve
   2 #define OVERRIDE_64_execve
   3
   4 #ifndef CREATE_SYSCALL_TABLE
   5
   6 SC_LTTNG_TRACEPOINT_EVENT(execve,
   7         TP_PROTO(sc_exit(long ret,) const char *filename, char *const *argv, char *const *envp),
   8         TP_ARGS(sc_exit(ret,) filename, argv, envp),
   9         TP_STRUCT__entry(sc_exit(__field(long, ret))
  10                 sc_in(__string_from_user(filename, filename))
  11                 sc_in(__field_hex(char *const *, argv))
  12                 sc_in(__field_hex(char *const *, envp))),
  13         TP_fast_assign(sc_exit(tp_assign(ret, ret))
  14                 sc_in(tp_copy_string_from_user(filename, filename))
  15                 sc_in(tp_assign(argv, argv))
  16                 sc_in(tp_assign(envp, envp))),
  17         TP_printk()
  18 )
  19
  20 SC_LTTNG_TRACEPOINT_EVENT(clone,
  21         TP_PROTO(sc_exit(long ret,) unsigned long clone_flags, unsigned long newsp,
  22                 void __user *parent_tid,
  23                 void __user *child_tid),
  24         TP_ARGS(sc_exit(ret,) clone_flags, newsp, parent_tid, child_tid),
  25         TP_STRUCT__entry(
  26                 sc_exit(__field(long, ret))
  27                 sc_in(__field_hex(unsigned long, clone_flags))
  28                 sc_in(__field_hex(unsigned long, newsp))
  29                 sc_in(__field_hex(void *, parent_tid))
  30                 sc_in(__field_hex(void *, child_tid))),
  31         TP_fast_assign(
  32                 sc_exit(tp_assign(ret, ret))
  33                 sc_in(tp_assign(clone_flags, clone_flags))
  34                 sc_in(tp_assign(newsp, newsp))
  35                 sc_in(tp_assign(parent_tid, parent_tid))
  36                 sc_in(tp_assign(child_tid, child_tid))),
  37         TP_printk()
  38 )
  39
  40 /* present in 32, missing in 64 due to old kernel headers */
  41 #define OVERRIDE_32_getcpu
  42 #define OVERRIDE_64_getcpu
  43 SC_LTTNG_TRACEPOINT_EVENT(getcpu,
  44         TP_PROTO(sc_exit(long ret,) unsigned __user *cpup, unsigned __user *nodep, void *tcache),
  45         TP_ARGS(sc_exit(ret,) cpup, nodep, tcache),
  46         TP_STRUCT__entry(
  47                 sc_exit(__field(long, ret))
  48                 sc_out(__field_hex(unsigned *, cpup))
  49                 sc_out(__field_hex(unsigned *, nodep))
  50                 sc_inout(__field_hex(void *, tcache))),
  51         TP_fast_assign(
  52                 sc_exit(tp_assign(ret, ret))
  53                 sc_out(tp_assign(cpup, cpup))
  54                 sc_out(tp_assign(nodep, nodep))
  55                 sc_inout(tp_assign(tcache, tcache))),
  56         TP_printk()
  57 )
  58
  59 #define OVERRIDE_32_pipe
  60 #define OVERRIDE_64_pipe
  61 SC_LTTNG_TRACEPOINT_EVENT(pipe,
  62         TP_PROTO(sc_exit(long ret,) int * fildes),
  63         TP_ARGS(sc_exit(ret,) fildes),
  64         TP_STRUCT__entry(sc_exit(__field(long, ret))
  65                 sc_out(__array(int, fildes, 2))
  66         ),
  67         TP_fast_assign(sc_exit(tp_assign(ret, ret))
  68                 sc_out(tp_memcpy_from_user(fildes, fildes, 2))
  69         ),
  70         TP_printk()
  71 )
  72
  73 #define OVERRIDE_32_pipe2
  74 #define OVERRIDE_64_pipe2
  75 SC_LTTNG_TRACEPOINT_EVENT(pipe2,
  76         TP_PROTO(sc_exit(long ret,) int * fildes, int flags),
  77         TP_ARGS(sc_exit(ret,) fildes, flags),
  78         TP_STRUCT__entry(sc_exit(__field(long, ret))
  79                 sc_out(__array(int, fildes, 2))
  80                 sc_in(__field(int, flags))
  81         ),
  82         TP_fast_assign(sc_exit(tp_assign(ret, ret))
  83                 sc_out(tp_memcpy_from_user(fildes, fildes, 2))
  84                 sc_in(tp_assign(flags, flags))
  85         ),
  86         TP_printk()
  87 )
  88
  89 #endif /* CREATE_SYSCALL_TABLE */