From f702e215c1561830b639f515b847ff5cc200bf10 Mon Sep 17 00:00:00 2001
From: deraadt <deraadt@openbsd.org>
Date: Thu, 7 Dec 2023 13:59:04 +0000
Subject: [PATCH] Add a stub pinsyscalls() system call that simply returns 0
 for now, before future work where ld.so(1) will need this new system call.
 Putting this in the kernel ahead of time will save some grief. ok kettenis

---
 sys/kern/syscalls.master |  5 +++--
 sys/uvm/uvm_mmap.c       | 12 +++++++++++-
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/sys/kern/syscalls.master b/sys/kern/syscalls.master
index 5c60c389ffd..20215e6a221 100644
--- a/sys/kern/syscalls.master
+++ b/sys/kern/syscalls.master
@@ -1,4 +1,4 @@
-;	$OpenBSD: syscalls.master,v 1.251 2023/11/29 20:40:06 bluhm Exp $
+;	$OpenBSD: syscalls.master,v 1.252 2023/12/07 13:59:04 deraadt Exp $
 ;	$NetBSD: syscalls.master,v 1.32 1996/04/23 10:24:21 mycroft Exp $
 
 ;	@(#)syscalls.master	8.2 (Berkeley) 1/13/94
@@ -306,7 +306,8 @@
 #endif
 156	OBSOL		ogetdirentries
 157	OBSOL		statfs25
-158	OBSOL		fstatfs25
+158	STD		{ int sys_pinsyscalls(void *base, size_t len, \
+			    void *pins, size_t pinslen); }
 159	STD		{ int sys_mimmutable(void *addr, size_t len); }
 160	STD		{ int sys_waitid(int idtype, id_t id, \
 			    siginfo_t *info, int options); }
diff --git a/sys/uvm/uvm_mmap.c b/sys/uvm/uvm_mmap.c
index caea59be203..1ff2d3106dc 100644
--- a/sys/uvm/uvm_mmap.c
+++ b/sys/uvm/uvm_mmap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uvm_mmap.c,v 1.182 2023/05/09 10:35:20 kn Exp $	*/
+/*	$OpenBSD: uvm_mmap.c,v 1.183 2023/12/07 13:59:05 deraadt Exp $	*/
 /*	$NetBSD: uvm_mmap.c,v 1.49 2001/02/18 21:19:08 chs Exp $	*/
 
 /*
@@ -644,6 +644,16 @@ sys_pinsyscall(struct proc *p, void *v, register_t *retval)
 	return (0);
 }
 
+ /*
+ * sys_pinsyscalls
+ */
+int
+sys_pinsyscalls(struct proc *p, void *v, register_t *retval)
+{
+	/* STUB until other parts are ready */
+	return (0);
+}
+
 /*
  * sys_mimmutable: the mimmutable system call
  */
-- 
2.20.1