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_STRUCT__entry(
  43                 sc_exit(__field(long, ret))
  44                 sc_in(__field(int, fd))
  45                 sc_in(__field_hex(struct sockaddr *, uservaddr))
  46                 sc_in(__field_hex(int, addrlen))
  47                 sc_in(__field(int, family))
  48                 sc_in(__field_network(uint16_t, dport))
  49                 sc_in(__dynamic_array_network(uint8_t, v4addr, tp_locvar->v4addr_len))
  50                 sc_in(__dynamic_array_network_hex(uint16_t, v6addr, tp_locvar->v6addr_len))
  51         ),
  52         TP_fast_assign(
  53                 sc_exit(tp_assign(ret, ret))
  54                 sc_in(tp_assign(fd, fd))
  55                 sc_in(tp_assign(uservaddr, uservaddr))
  56                 sc_in(tp_assign(addrlen, addrlen))
  57                 sc_in(tp_assign(family, tp_locvar->sa_family))
  58                 sc_in(tp_assign(dport, tp_locvar->dport))
  59                 sc_in(tp_memcpy_dyn(v4addr, &tp_locvar->v4addr))
  60                 sc_in(tp_memcpy_dyn(v6addr, &tp_locvar->v6addr))
  61         ),
  62         TP_printk()
  63 )
  64
  65 #define OVERRIDE_64_accept
  66 SC_LTTNG_TRACEPOINT_EVENT_CODE(accept,
  67         TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr * upeer_sockaddr, int * upeer_addrlen),
  68         TP_ARGS(sc_exit(ret,) fd, upeer_sockaddr, upeer_addrlen),
  69         TP_locvar(
  70                 __typeof__(upeer_sockaddr->sa_family) sa_family;
  71                 uint16_t sport;
  72                 uint32_t v4addr;
  73                 uint16_t v6addr[8];
  74                 int v4addr_len, v6addr_len;
  75                 int uaddr_len;
  76         ),
  77         TP_code(
  78                 sc_inout(
  79                         memset(tp_locvar, 0, sizeof(*tp_locvar));
  80                         (void) get_user(tp_locvar->uaddr_len, upeer_addrlen);
  81                 )
  82                 sc_out(
  83                         if (tp_locvar->uaddr_len < sizeof(struct sockaddr))
  84                                 goto skip_code;
  85                         (void) get_user(tp_locvar->sa_family, &upeer_sockaddr->sa_family);
  86                         switch (tp_locvar->sa_family) {
  87                         case AF_INET:
  88                                 if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in))
  89                                         goto skip_code;
  90                                 (void) get_user(tp_locvar->sport, &((struct sockaddr_in *) upeer_sockaddr)->sin_port);
  91                                 (void) get_user(tp_locvar->v4addr, &((struct sockaddr_in *) upeer_sockaddr)->sin_addr.s_addr);
  92                                 tp_locvar->v4addr_len = 4;
  93                                 break;
  94                         case AF_INET6:
  95                                 if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in6))
  96                                         goto skip_code;
  97                                 (void) get_user(tp_locvar->sport, &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_port);
  98                                 if (copy_from_user(tp_locvar->v6addr,
  99                                                 &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_addr.in6_u.u6_addr8,
 100                                                 sizeof(tp_locvar->v6addr)))
 101                                         memset(tp_locvar->v6addr, 0, sizeof(tp_locvar->v6addr));
 102                                 tp_locvar->v6addr_len = 8;
 103                                 break;
 104                         }
 105                 skip_code:
 106                 )
 107         ),
 108         TP_STRUCT__entry(
 109                 sc_exit(__field(long, ret))
 110                 sc_in(__field(int, fd))
 111                 sc_in(__field_hex(struct sockaddr *, upeer_sockaddr))
 112                 sc_inout(__field(int, upeer_addrlen))
 113                 sc_out(__field(int, family))
 114                 sc_out(__field_network(uint16_t, sport))
 115                 sc_out(__dynamic_array_network(uint8_t, v4addr, tp_locvar->v4addr_len))
 116                 sc_out(__dynamic_array_network_hex(uint16_t, v6addr, tp_locvar->v6addr_len))
 117         ),
 118         TP_fast_assign(
 119                 sc_exit(tp_assign(ret, ret))
 120                 sc_in(tp_assign(fd, fd))
 121                 sc_in(tp_assign(upeer_sockaddr, upeer_sockaddr))
 122                 sc_inout(tp_assign(upeer_addrlen, tp_locvar->uaddr_len))
 123                 sc_out(tp_assign(family, tp_locvar->sa_family))
 124                 sc_out(tp_assign(sport, tp_locvar->sport))
 125                 sc_out(tp_memcpy_dyn(v4addr, &tp_locvar->v4addr))
 126                 sc_out(tp_memcpy_dyn(v6addr, &tp_locvar->v6addr))
 127         ),
 128         TP_printk()
 129 )
 130
 131 #else   /* CREATE_SYSCALL_TABLE */
 132
 133 #define OVERRIDE_TABLE_64_clone
 134 TRACE_SYSCALL_TABLE(clone, clone, 56, 5)
 135 #define OVERRIDE_TABLE_64_execve
 136 TRACE_SYSCALL_TABLE(execve, execve, 59, 3)
 137 #define OVERRIDE_TABLE_64_getcpu
 138 TRACE_SYSCALL_TABLE(getcpu, getcpu, 309, 3)
 139
 140 #endif /* CREATE_SYSCALL_TABLE */