Extract input/output arguments from accept and connect syscalls

[lttng-modules.git] / instrumentation / syscalls / headers / x86-64-syscalls-3.10.0-rc7_pointers_override.h

diff --git a/instrumentation/syscalls/headers/x86-64-syscalls-3.10.0-rc7_pointers_override.h b/instrumentation/syscalls/headers/x86-64-syscalls-3.10.0-rc7_pointers_override.h
index 46308af33794faf9f2465a81402b79dec2d4ad9e..efdfc37c991527473108eae9237cc9d1c52d4c61 100644 (file)
--- a/instrumentation/syscalls/headers/x86-64-syscalls-3.10.0-rc7_pointers_override.h
+++ b/instrumentation/syscalls/headers/x86-64-syscalls-3.10.0-rc7_pointers_override.h
@@ -1,5 +1,131 @@
 #ifndef CREATE_SYSCALL_TABLE
 
+#define OVERRIDE_64_connect
+SC_LTTNG_TRACE_EVENT(connect,
+       TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr * uservaddr, int addrlen),
+       TP_ARGS(sc_exit(ret,) fd, uservaddr, addrlen),
+       TP_locvar(
+               __typeof__(uservaddr->sa_family) sa_family;
+               uint16_t dport;
+               uint32_t v4addr;
+               uint16_t v6addr[8];
+               int v4addr_len, v6addr_len;
+       ),
+       TP_code(
+               sc_in(
+                       memset(tp_locvar, 0, sizeof(*tp_locvar));
+                       if (addrlen < sizeof(struct sockaddr))
+                               goto skip_code;
+                       (void) get_user(tp_locvar->sa_family, &uservaddr->sa_family);
+                       switch (tp_locvar->sa_family) {
+                       case AF_INET:
+                               if (addrlen < sizeof(struct sockaddr_in))
+                                       goto skip_code;
+                               (void) get_user(tp_locvar->dport, &((struct sockaddr_in *) uservaddr)->sin_port);
+                               (void) get_user(tp_locvar->v4addr, &((struct sockaddr_in *) uservaddr)->sin_addr.s_addr);
+                               tp_locvar->v4addr_len = 4;
+                               break;
+                       case AF_INET6:
+                               if (addrlen < sizeof(struct sockaddr_in6))
+                                       goto skip_code;
+                               (void) get_user(tp_locvar->dport, &((struct sockaddr_in6 *) uservaddr)->sin6_port);
+                               (void) copy_from_user(tp_locvar->v6addr,
+                                               &((struct sockaddr_in6 *) uservaddr)->sin6_addr.in6_u.u6_addr8,
+                                               sizeof(tp_locvar->v6addr));
+                               tp_locvar->v6addr_len = 8;
+                               break;
+                       }
+               skip_code:
+               )
+       ),
+       TP_STRUCT__entry(
+               sc_exit(__field(long, ret))
+               sc_in(__field(int, fd))
+               sc_in(__field_hex(struct sockaddr *, uservaddr))
+               sc_in(__field_hex(int, addrlen))
+               sc_in(__field(int, family))
+               sc_in(__field_network(uint16_t, dport))
+               sc_in(__dynamic_array_network(uint8_t, v4addr, tp_locvar->v4addr_len))
+               sc_in(__dynamic_array_network_hex(uint16_t, v6addr, tp_locvar->v6addr_len))
+       ),
+       TP_fast_assign(
+               sc_exit(tp_assign(ret, ret))
+               sc_in(tp_assign(fd, fd))
+               sc_in(tp_assign(uservaddr, uservaddr))
+               sc_in(tp_assign(addrlen, addrlen))
+               sc_in(tp_assign(family, tp_locvar->sa_family))
+               sc_in(tp_assign(dport, tp_locvar->dport))
+               sc_in(tp_memcpy_dyn(v4addr, &tp_locvar->v4addr))
+               sc_in(tp_memcpy_dyn(v6addr, &tp_locvar->v6addr))
+       ),
+       TP_printk()
+)
+
+#define OVERRIDE_64_accept
+SC_LTTNG_TRACE_EVENT(accept,
+       TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr * upeer_sockaddr, int * upeer_addrlen),
+       TP_ARGS(sc_exit(ret,) fd, upeer_sockaddr, upeer_addrlen),
+       TP_locvar(
+               __typeof__(upeer_sockaddr->sa_family) sa_family;
+               uint16_t sport;
+               uint32_t v4addr;
+               uint16_t v6addr[8];
+               int v4addr_len, v6addr_len;
+               int uaddr_len;
+       ),
+       TP_code(
+               sc_inout(
+                       memset(tp_locvar, 0, sizeof(*tp_locvar));
+                       (void) get_user(tp_locvar->uaddr_len, upeer_addrlen);
+               )
+               sc_out(
+                       if (tp_locvar->uaddr_len < sizeof(struct sockaddr))
+                               goto skip_code;
+                       (void) get_user(tp_locvar->sa_family, &upeer_sockaddr->sa_family);
+                       switch (tp_locvar->sa_family) {
+                       case AF_INET:
+                               if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in))
+                                       goto skip_code;
+                               (void) get_user(tp_locvar->sport, &((struct sockaddr_in *) upeer_sockaddr)->sin_port);
+                               (void) get_user(tp_locvar->v4addr, &((struct sockaddr_in *) upeer_sockaddr)->sin_addr.s_addr);
+                               tp_locvar->v4addr_len = 4;
+                               break;
+                       case AF_INET6:
+                               if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in6))
+                                       goto skip_code;
+                               (void) get_user(tp_locvar->sport, &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_port);
+                               (void) copy_from_user(tp_locvar->v6addr,
+                                               &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_addr.in6_u.u6_addr8,
+                                               sizeof(tp_locvar->v6addr));
+                               tp_locvar->v6addr_len = 8;
+                               break;
+                       }
+               skip_code:
+               )
+       ),
+       TP_STRUCT__entry(
+               sc_exit(__field(long, ret))
+               sc_in(__field(int, fd))
+               sc_in(__field_hex(struct sockaddr *, upeer_sockaddr))
+               sc_inout(__field(int, upeer_addrlen))
+               sc_out(__field(int, family))
+               sc_out(__field_network(uint16_t, sport))
+               sc_out(__dynamic_array_network(uint8_t, v4addr, tp_locvar->v4addr_len))
+               sc_out(__dynamic_array_network_hex(uint16_t, v6addr, tp_locvar->v6addr_len))
+       ),
+       TP_fast_assign(
+               sc_exit(tp_assign(ret, ret))
+               sc_in(tp_assign(fd, fd))
+               sc_in(tp_assign(upeer_sockaddr, upeer_sockaddr))
+               sc_inout(tp_assign(upeer_addrlen, tp_locvar->uaddr_len))
+               sc_out(tp_assign(family, tp_locvar->sa_family))
+               sc_out(tp_assign(sport, tp_locvar->sport))
+               sc_out(tp_memcpy_dyn(v4addr, &tp_locvar->v4addr))
+               sc_out(tp_memcpy_dyn(v6addr, &tp_locvar->v6addr))
+       ),
+       TP_printk()
+)
+
 #else  /* CREATE_SYSCALL_TABLE */
 
 #define OVERRIDE_TABLE_64_clone