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                 unsigned int v4addr_len, v6addr_len;
  13         ),
  14         TP_code_pre(
  15                 sc_in(
  16                         memset(tp_locvar, 0, sizeof(*tp_locvar));
  17                         if (addrlen < sizeof(tp_locvar->sa_family))
  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(unsigned short, 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, unsigned int, tp_locvar->v4addr_len))
  50                 sc_in(ctf_sequence_network(uint16_t, v6addr, &tp_locvar->v6addr, unsigned int, tp_locvar->v6addr_len))
  51         ),
  52         TP_code_post()
  53 )
  54
  55 #define LTTNG_SYSCALL_ACCEPT_locvar                     \
  56         __typeof__(upeer_sockaddr->sa_family) sa_family;\
  57         uint16_t sport;                                 \
  58         uint32_t v4addr;                                \
  59         uint16_t v6addr[8];                             \
  60         int v4addr_len, v6addr_len;                     \
  61         int uaddr_len;
  62
  63 #define LTTNG_SYSCALL_ACCEPT_code_pre                                                                                   \
  64         sc_inout(                                                                                                       \
  65                 memset(tp_locvar, 0, sizeof(*tp_locvar));                                                               \
  66                 (void) get_user(tp_locvar->uaddr_len, upeer_addrlen);                                                   \
  67         )                                                                                                               \
  68         sc_out(                                                                                                         \
  69                 if (tp_locvar->uaddr_len < sizeof(tp_locvar->sa_family))                                                \
  70                         goto skip_code;                                                                                 \
  71                 (void) get_user(tp_locvar->sa_family, &upeer_sockaddr->sa_family);                                      \
  72                 switch (tp_locvar->sa_family) {                                                                         \
  73                 case AF_INET:                                                                                           \
  74                         if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in))                                          \
  75                                 goto skip_code;                                                                         \
  76                         (void) get_user(tp_locvar->sport, &((struct sockaddr_in *) upeer_sockaddr)->sin_port);          \
  77                         (void) get_user(tp_locvar->v4addr, &((struct sockaddr_in *) upeer_sockaddr)->sin_addr.s_addr);  \
  78                         tp_locvar->v4addr_len = 4;                                                                      \
  79                         break;                                                                                          \
  80                 case AF_INET6:                                                                                          \
  81                         if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in6))                                         \
  82                                 goto skip_code;                                                                         \
  83                         (void) get_user(tp_locvar->sport, &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_port);        \
  84                         if (copy_from_user(tp_locvar->v6addr,                                                           \
  85                                         &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_addr.in6_u.u6_addr8,            \
  86                                         sizeof(tp_locvar->v6addr)))                                                     \
  87                                 memset(tp_locvar->v6addr, 0, sizeof(tp_locvar->v6addr));                                \
  88                         tp_locvar->v6addr_len = 8;                                                                      \
  89                         break;                                                                                          \
  90                 }                                                                                                       \
  91         skip_code:                                                                                                      \
  92         )
  93
  94 #define OVERRIDE_64_accept
  95 SC_LTTNG_TRACEPOINT_EVENT_CODE(accept,
  96         TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr * upeer_sockaddr, int * upeer_addrlen),
  97         TP_ARGS(sc_exit(ret,) fd, upeer_sockaddr, upeer_addrlen),
  98         TP_locvar(
  99                 LTTNG_SYSCALL_ACCEPT_locvar
 100         ),
 101         TP_code_pre(
 102                 LTTNG_SYSCALL_ACCEPT_code_pre
 103         ),
 104         TP_FIELDS(
 105                 sc_exit(ctf_integer(long, ret, ret))
 106                 sc_in(ctf_integer(int, fd, fd))
 107                 sc_in(ctf_integer_hex(struct sockaddr *, upeer_sockaddr, upeer_sockaddr))
 108                 sc_inout(ctf_integer(int, upeer_addrlen, tp_locvar->uaddr_len))
 109                 sc_out(ctf_integer(unsigned short, family, tp_locvar->sa_family))
 110                 sc_out(ctf_integer_network(uint16_t, sport, tp_locvar->sport))
 111                 sc_out(ctf_sequence_network(uint8_t, v4addr, &tp_locvar->v4addr, unsigned int, tp_locvar->v4addr_len))
 112                 sc_out(ctf_sequence_network(uint16_t, v6addr, &tp_locvar->v6addr, unsigned int, tp_locvar->v6addr_len))
 113         ),
 114         TP_code_post()
 115 )
 116
 117 #define OVERRIDE_64_accept4
 118 SC_LTTNG_TRACEPOINT_EVENT_CODE(accept4,
 119         TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr * upeer_sockaddr, int * upeer_addrlen, int flags),
 120         TP_ARGS(sc_exit(ret,) fd, upeer_sockaddr, upeer_addrlen, flags),
 121         TP_locvar(
 122                 LTTNG_SYSCALL_ACCEPT_locvar
 123         ),
 124         TP_code_pre(
 125                 LTTNG_SYSCALL_ACCEPT_code_pre
 126         ),
 127         TP_FIELDS(
 128                 sc_exit(ctf_integer(long, ret, ret))
 129                 sc_in(ctf_integer(int, fd, fd))
 130                 sc_in(ctf_integer_hex(struct sockaddr *, upeer_sockaddr, upeer_sockaddr))
 131                 sc_inout(ctf_integer(int, upeer_addrlen, tp_locvar->uaddr_len))
 132                 sc_in(ctf_integer_hex(int, flags, flags))
 133                 sc_out(ctf_integer(unsigned short, family, tp_locvar->sa_family))
 134                 sc_out(ctf_integer_network(uint16_t, sport, tp_locvar->sport))
 135                 sc_out(ctf_sequence_network(uint8_t, v4addr, &tp_locvar->v4addr, unsigned int, tp_locvar->v4addr_len))
 136                 sc_out(ctf_sequence_network(uint16_t, v6addr, &tp_locvar->v6addr, unsigned int, tp_locvar->v6addr_len))
 137         ),
 138         TP_code_post()
 139 )
 140
 141 #define OVERRIDE_64_pipe
 142 SC_LTTNG_TRACEPOINT_EVENT(pipe,
 143         TP_PROTO(sc_exit(long ret,) int * fildes),
 144         TP_ARGS(sc_exit(ret,) fildes),
 145         TP_FIELDS(sc_exit(ctf_integer(long, ret, ret))
 146                 sc_out(ctf_user_array(int, fildes, fildes, 2))
 147         )
 148 )
 149
 150 #else   /* CREATE_SYSCALL_TABLE */
 151
 152 #define OVERRIDE_TABLE_64_clone
 153 TRACE_SYSCALL_TABLE(clone, clone, 56, 5)
 154 #define OVERRIDE_TABLE_64_execve
 155 TRACE_SYSCALL_TABLE(execve, execve, 59, 3)
 156 #define OVERRIDE_TABLE_64_getcpu
 157 TRACE_SYSCALL_TABLE(getcpu, getcpu, 309, 3)
 158
 159 #endif /* CREATE_SYSCALL_TABLE */