+#ifndef MSG_PROBE
+#define MSG_PROBE 0x10
+#endif
+#ifndef MSG_SENDPAGE_NOTLAST
+#define MSG_SENDPAGE_NOTLAST 0x20000
+#endif
+#ifndef MSG_FASTOPEN
+#define MSG_FASTOPEN 0x20000000
+#endif
+
+static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ int printed = 0, flags = arg->val;
+
+ if (flags == 0)
+ return scnprintf(bf, size, "NONE");
+#define P_MSG_FLAG(n) \
+ if (flags & MSG_##n) { \
+ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
+ flags &= ~MSG_##n; \
+ }
+
+ P_MSG_FLAG(OOB);
+ P_MSG_FLAG(PEEK);
+ P_MSG_FLAG(DONTROUTE);
+ P_MSG_FLAG(TRYHARD);
+ P_MSG_FLAG(CTRUNC);
+ P_MSG_FLAG(PROBE);
+ P_MSG_FLAG(TRUNC);
+ P_MSG_FLAG(DONTWAIT);
+ P_MSG_FLAG(EOR);
+ P_MSG_FLAG(WAITALL);
+ P_MSG_FLAG(FIN);
+ P_MSG_FLAG(SYN);
+ P_MSG_FLAG(CONFIRM);
+ P_MSG_FLAG(RST);
+ P_MSG_FLAG(ERRQUEUE);
+ P_MSG_FLAG(NOSIGNAL);
+ P_MSG_FLAG(MORE);
+ P_MSG_FLAG(WAITFORONE);
+ P_MSG_FLAG(SENDPAGE_NOTLAST);
+ P_MSG_FLAG(FASTOPEN);
+ P_MSG_FLAG(CMSG_CLOEXEC);
+#undef P_MSG_FLAG
+
+ if (flags)
+ printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
+
+ return printed;
+}
+
+#define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags
+
+static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size,
+ struct syscall_arg *arg)
+{
+ size_t printed = 0;
+ int mode = arg->val;
+
+ if (mode == F_OK) /* 0 */
+ return scnprintf(bf, size, "F");
+#define P_MODE(n) \
+ if (mode & n##_OK) { \
+ printed += scnprintf(bf + printed, size - printed, "%s", #n); \
+ mode &= ~n##_OK; \
+ }
+
+ P_MODE(R);
+ P_MODE(W);
+ P_MODE(X);
+#undef P_MODE
+
+ if (mode)
+ printed += scnprintf(bf + printed, size - printed, "|%#x", mode);
+
+ return printed;
+}
+
+#define SCA_ACCMODE syscall_arg__scnprintf_access_mode
+