LXR linux/tools/perf/trace/beauty/socket

   1// SPDX-License-Identifier: LGPL-2.1
   2#include <sys/types.h>
   3#include <sys/socket.h>
   4
   5#ifndef SOCK_DCCP
   6# define SOCK_DCCP              6
   7#endif
   8
   9#ifndef SOCK_CLOEXEC
  10# define SOCK_CLOEXEC           02000000
  11#endif
  12
  13#ifndef SOCK_NONBLOCK
  14# define SOCK_NONBLOCK          00004000
  15#endif
  16
  17#ifndef SOCK_TYPE_MASK
  18#define SOCK_TYPE_MASK 0xf
  19#endif
  20
  21static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size, struct syscall_arg *arg)
  22{
  23        bool show_prefix = arg->show_string_prefix;
  24        const char *prefix = "SOCK_";
  25        size_t printed;
  26        int type = arg->val,
  27            flags = type & ~SOCK_TYPE_MASK;
  28
  29        type &= SOCK_TYPE_MASK;
  30        /*
  31         * Can't use a strarray, MIPS may override for ABI reasons.
  32         */
  33        switch (type) {
  34#define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", #n); break;
  35        P_SK_TYPE(STREAM);
  36        P_SK_TYPE(DGRAM);
  37        P_SK_TYPE(RAW);
  38        P_SK_TYPE(RDM);
  39        P_SK_TYPE(SEQPACKET);
  40        P_SK_TYPE(DCCP);
  41        P_SK_TYPE(PACKET);
  42#undef P_SK_TYPE
  43        default:
  44                printed = scnprintf(bf, size, "%#x", type);
  45        }
  46
  47#define P_SK_FLAG(n) \
  48        if (flags & SOCK_##n) { \
  49                printed += scnprintf(bf + printed, size - printed, "|%s", #n); \
  50                flags &= ~SOCK_##n; \
  51        }
  52
  53        P_SK_FLAG(CLOEXEC);
  54        P_SK_FLAG(NONBLOCK);
  55#undef P_SK_FLAG
  56
  57        if (flags)
  58                printed += scnprintf(bf + printed, size - printed, "|%#x", flags);
  59
  60        return printed;
  61}
  62
  63#define SCA_SK_TYPE syscall_arg__scnprintf_socket_type
  64