instrumentation/syscalls/headers/x86-64-syscalls-3.10.0-rc7_pointers_override.h

   1 #ifndef CREATE_SYSCALL_TABLE
   2
   3 #define OVERRIDE_64_connect
   4 SC_LTTNG_TRACEPOINT_EVENT_CODE(connect,
   5         TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr * uservaddr, int addrlen),
   6         TP_ARGS(sc_exit(ret,) fd, uservaddr, addrlen),
   7         TP_locvar(
   8                 __typeof__(uservaddr->sa_family) sa_family;
   9                 uint16_t dport;
  10                 uint32_t v4addr;
  11                 uint16_t v6addr[8];
  12                 int v4addr_len, v6addr_len;
  13         ),
  14         TP_code(
  15                 sc_in(
  16                         memset(tp_locvar, 0, sizeof(*tp_locvar));
  17                         if (addrlen < sizeof(struct sockaddr))
  18                                 goto skip_code;
  19                         (void) get_user(tp_locvar->sa_family, &uservaddr->sa_family);
  20                         switch (tp_locvar->sa_family) {
  21                         case AF_INET:
  22                                 if (addrlen < sizeof(struct sockaddr_in))
  23                                         goto skip_code;
  24                                 (void) get_user(tp_locvar->dport, &((struct sockaddr_in *) uservaddr)->sin_port);
  25                                 (void) get_user(tp_locvar->v4addr, &((struct sockaddr_in *) uservaddr)->sin_addr.s_addr);
  26                                 tp_locvar->v4addr_len = 4;
  27                                 break;
  28                         case AF_INET6:
  29                                 if (addrlen < sizeof(struct sockaddr_in6))
  30                                         goto skip_code;
  31                                 (void) get_user(tp_locvar->dport, &((struct sockaddr_in6 *) uservaddr)->sin6_port);
  32                                 if (copy_from_user(tp_locvar->v6addr,
  33                                                 &((struct sockaddr_in6 *) uservaddr)->sin6_addr.in6_u.u6_addr8,
  34                                                 sizeof(tp_locvar->v6addr)))
  35                                         memset(tp_locvar->v6addr, 0, sizeof(tp_locvar->v6addr));
  36                                 tp_locvar->v6addr_len = 8;
  37                                 break;
  38                         }
  39                 skip_code:
  40                 )
  41         ),
  42         TP_FIELDS(
  43                 sc_exit(ctf_integer(long, ret, ret))
  44                 sc_in(ctf_integer(int, fd, fd))
  45                 sc_in(ctf_integer_hex(struct sockaddr *, uservaddr, uservaddr))
  46                 sc_in(ctf_integer_hex(int, addrlen, addrlen))
  47                 sc_in(ctf_integer(int, family, tp_locvar->sa_family))
  48                 sc_in(ctf_integer_network(uint16_t, dport, tp_locvar->dport))
  49                 sc_in(ctf_sequence_network(uint8_t, v4addr, &tp_locvar->v4addr, int, tp_locvar->v4addr_len))
  50                 sc_in(ctf_sequence_network(uint16_t, v6addr, &tp_locvar->v6addr, int, tp_locvar->v6addr_len))
  51         )
  52 )
  53
  54 #define OVERRIDE_64_accept
  55 SC_LTTNG_TRACEPOINT_EVENT_CODE(accept,
  56         TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr * upeer_sockaddr, int * upeer_addrlen),
  57         TP_ARGS(sc_exit(ret,) fd, upeer_sockaddr, upeer_addrlen),
  58         TP_locvar(
  59                 __typeof__(upeer_sockaddr->sa_family) sa_family;
  60                 uint16_t sport;
  61                 uint32_t v4addr;
  62                 uint16_t v6addr[8];
  63                 int v4addr_len, v6addr_len;
  64                 int uaddr_len;
  65         ),
  66         TP_code(
  67                 sc_inout(
  68                         memset(tp_locvar, 0, sizeof(*tp_locvar));
  69                         (void) get_user(tp_locvar->uaddr_len, upeer_addrlen);
  70                 )
  71                 sc_out(
  72                         if (tp_locvar->uaddr_len < sizeof(struct sockaddr))
  73                                 goto skip_code;
  74                         (void) get_user(tp_locvar->sa_family, &upeer_sockaddr->sa_family);
  75                         switch (tp_locvar->sa_family) {
  76                         case AF_INET:
  77                                 if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in))
  78                                         goto skip_code;
  79                                 (void) get_user(tp_locvar->sport, &((struct sockaddr_in *) upeer_sockaddr)->sin_port);
  80                                 (void) get_user(tp_locvar->v4addr, &((struct sockaddr_in *) upeer_sockaddr)->sin_addr.s_addr);
  81                                 tp_locvar->v4addr_len = 4;
  82                                 break;
  83                         case AF_INET6:
  84                                 if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in6))
  85                                         goto skip_code;
  86                                 (void) get_user(tp_locvar->sport, &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_port);
  87                                 if (copy_from_user(tp_locvar->v6addr,
  88                                                 &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_addr.in6_u.u6_addr8,
  89                                                 sizeof(tp_locvar->v6addr)))
  90                                         memset(tp_locvar->v6addr, 0, sizeof(tp_locvar->v6addr));
  91                                 tp_locvar->v6addr_len = 8;
  92                                 break;
  93                         }
  94                 skip_code:
  95                 )
  96         ),
  97         TP_FIELDS(
  98                 sc_exit(ctf_integer(long, ret, ret))
  99                 sc_in(ctf_integer(int, fd, fd))
 100                 sc_in(ctf_integer_hex(struct sockaddr *, upeer_sockaddr, upeer_sockaddr))
 101                 sc_inout(ctf_integer(int, upeer_addrlen, tp_locvar->uaddr_len))
 102                 sc_out(ctf_integer(int, family, tp_locvar->sa_family))
 103                 sc_out(ctf_integer_network(uint16_t, sport, tp_locvar->sport))
 104                 sc_in(ctf_sequence_network(uint8_t, v4addr, &tp_locvar->v4addr, int, tp_locvar->v4addr_len))
 105                 sc_in(ctf_sequence_network(uint16_t, v6addr, &tp_locvar->v6addr, int, tp_locvar->v6addr_len))
 106         )
 107 )
 108
 109 #else   /* CREATE_SYSCALL_TABLE */
 110
 111 #define OVERRIDE_TABLE_64_clone
 112 TRACE_SYSCALL_TABLE(clone, clone, 56, 5)
 113 #define OVERRIDE_TABLE_64_execve
 114 TRACE_SYSCALL_TABLE(execve, execve, 59, 3)
 115 #define OVERRIDE_TABLE_64_getcpu
 116 TRACE_SYSCALL_TABLE(getcpu, getcpu, 309, 3)
 117
 118 #endif /* CREATE_SYSCALL_TABLE */