4 files changed, 34 insertions, 1 deletions
diff --git a/sys/compat/freebsd32/freebsd32_syscall.h b/sys/compat/freebsd32/freebsd32_syscall.h
index d5493ace13c4..f3633479f271 100644
--- a/sys/compat/freebsd32/freebsd32_syscall.h
+++ b/sys/compat/freebsd32/freebsd32_syscall.h
@@ -503,4 +503,5 @@
 #define	FREEBSD32_SYS___realpathat	574
 #define	FREEBSD32_SYS_close_range	575
 #define	FREEBSD32_SYS_rpctls_syscall	576
-#define	FREEBSD32_SYS_MAXSYSCALL	577
+#define	FREEBSD32_SYS___specialfd	577
+#define	FREEBSD32_SYS_MAXSYSCALL	578
diff --git a/sys/compat/freebsd32/freebsd32_syscalls.c b/sys/compat/freebsd32/freebsd32_syscalls.c
index d13d5e44115c..bb0af9d0b546 100644
--- a/sys/compat/freebsd32/freebsd32_syscalls.c
+++ b/sys/compat/freebsd32/freebsd32_syscalls.c
@@ -613,4 +613,5 @@ const char *freebsd32_syscallnames[] = {
 	"__realpathat",			/* 574 = __realpathat */
 	"close_range",			/* 575 = close_range */
 	"rpctls_syscall",			/* 576 = rpctls_syscall */
+	"__specialfd",			/* 577 = __specialfd */
 };
diff --git a/sys/compat/freebsd32/freebsd32_sysent.c b/sys/compat/freebsd32/freebsd32_sysent.c
index dfa05880978e..0207bb356041 100644
--- a/sys/compat/freebsd32/freebsd32_sysent.c
+++ b/sys/compat/freebsd32/freebsd32_sysent.c
@@ -666,4 +666,5 @@ struct sysent freebsd32_sysent[] = {
 	{ .sy_narg = AS(__realpathat_args), .sy_call = (sy_call_t *)sys___realpathat, .sy_auevent = AUE_REALPATHAT, .sy_flags = 0, .sy_thrcnt = SY_THR_STATIC },	/* 574 = __realpathat */
 	{ .sy_narg = AS(close_range_args), .sy_call = (sy_call_t *)sys_close_range, .sy_auevent = AUE_CLOSERANGE, .sy_flags = SYF_CAPENABLED, .sy_thrcnt = SY_THR_STATIC },	/* 575 = close_range */
 	{ .sy_narg = AS(rpctls_syscall_args), .sy_call = (sy_call_t *)lkmressys, .sy_auevent = AUE_NULL, .sy_flags = 0, .sy_thrcnt = SY_THR_ABSENT },	/* 576 = rpctls_syscall */
+	{ .sy_narg = AS(__specialfd_args), .sy_call = (sy_call_t *)sys___specialfd, .sy_auevent = AUE_SPECIALFD, .sy_flags = SYF_CAPENABLED, .sy_thrcnt = SY_THR_STATIC },	/* 577 = __specialfd */
 };
diff --git a/sys/compat/freebsd32/freebsd32_systrace_args.c b/sys/compat/freebsd32/freebsd32_systrace_args.c
index 6822bc29b551..88a073508586 100644
--- a/sys/compat/freebsd32/freebsd32_systrace_args.c
+++ b/sys/compat/freebsd32/freebsd32_systrace_args.c
@@ -3384,6 +3384,15 @@ systrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)
 		*n_args = 2;
 		break;
 	}
+	/* __specialfd */
+	case 577: {
+		struct __specialfd_args *p = params;
+		iarg[0] = p->type; /* int */
+		uarg[1] = (intptr_t) p->req; /* const void * */
+		uarg[2] = p->len; /* size_t */
+		*n_args = 3;
+		break;
+	}
 	default:
 		*n_args = 0;
 		break;
@@ -9124,6 +9133,22 @@ systrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
 			break;
 		};
 		break;
+	/* __specialfd */
+	case 577:
+		switch(ndx) {
+		case 0:
+			p = "int";
+			break;
+		case 1:
+			p = "userland const void *";
+			break;
+		case 2:
+			p = "size_t";
+			break;
+		default:
+			break;
+		};
+		break;
 	default:
 		break;
 	};
@@ -11028,6 +11053,11 @@ systrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
 		if (ndx == 0 || ndx == 1)
 			p = "int";
 		break;
+	/* __specialfd */
+	case 577:
+		if (ndx == 0 || ndx == 1)
+			p = "int";
+		break;
 	default:
 		break;
 	};