3 files changed, 32 insertions, 0 deletions
diff --git a/sys/kern/init_sysent.c b/sys/kern/init_sysent.c
index adf57817f66b..80b10ac6b626 100644
--- a/sys/kern/init_sysent.c
+++ b/sys/kern/init_sysent.c
@@ -632,4 +632,5 @@ struct sysent 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/kern/syscalls.c b/sys/kern/syscalls.c
index e1d7cdaf9f3d..e986d999640f 100644
--- a/sys/kern/syscalls.c
+++ b/sys/kern/syscalls.c
@@ -583,4 +583,5 @@ const char *syscallnames[] = {
 	"__realpathat",			/* 574 = __realpathat */
 	"close_range",			/* 575 = close_range */
 	"rpctls_syscall",			/* 576 = rpctls_syscall */
+	"__specialfd",			/* 577 = __specialfd */
 };
diff --git a/sys/kern/systrace_args.c b/sys/kern/systrace_args.c
index a3ca65f4cc11..8076cc441137 100644
--- a/sys/kern/systrace_args.c
+++ b/sys/kern/systrace_args.c
@@ -3376,6 +3376,15 @@ 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;
@@ -9029,6 +9038,22 @@ 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;
 	};
@@ -10960,6 +10985,11 @@ 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;
 	};