[src/trunk]: src/sys/compat/netbsd32 COMPAT_NETBSD32: Add support for memfd_c...

[rin <rin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c24e139d5461
branches:  trunk
changeset: 378338:c24e139d5461
user:      rin <rin%NetBSD.org@localhost>
date:      Sun Jul 30 05:30:45 2023 +0000

description:
COMPAT_NETBSD32: Add support for memfd_create(2).

diffstat:

 sys/compat/netbsd32/netbsd32_netbsd.c |  19 +++++++++++++++++--
 sys/compat/netbsd32/syscalls.master   |   5 +++--
 2 files changed, 20 insertions(+), 4 deletions(-)

diffs (59 lines):

diff -r 546a7fd88006 -r c24e139d5461 sys/compat/netbsd32/netbsd32_netbsd.c
--- a/sys/compat/netbsd32/netbsd32_netbsd.c     Sun Jul 30 05:20:36 2023 +0000
+++ b/sys/compat/netbsd32/netbsd32_netbsd.c     Sun Jul 30 05:30:45 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: netbsd32_netbsd.c,v 1.234 2023/07/30 05:10:47 rin Exp $        */
+/*     $NetBSD: netbsd32_netbsd.c,v 1.235 2023/07/30 05:30:45 rin Exp $        */
 
 /*
  * Copyright (c) 1998, 2001, 2008, 2018 Matthew R. Green
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netbsd32_netbsd.c,v 1.234 2023/07/30 05:10:47 rin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netbsd32_netbsd.c,v 1.235 2023/07/30 05:30:45 rin Exp $");
 
 /*
  * below are all the standard NetBSD system calls, in the 32bit
@@ -2648,6 +2648,21 @@ netbsd32_eventfd(struct lwp *l,
        return sys_eventfd(l, &ua, retval);
 }
 
+int
+netbsd32_memfd_create(struct lwp *l,
+    const struct netbsd32_memfd_create_args *uap, register_t *retval)
+{
+       /* {
+               syscallarg(const netbsd32_charp)        name;
+               syscallarg(unsigned int)                flags;
+       } */
+       struct sys_memfd_create_args ua;
+
+       NETBSD32TOP_UAP(name, const char);
+       NETBSD32TO64_UAP(flags);
+       return sys_memfd_create(l, &ua, retval);
+}
+
 /*
  * MI indirect system call support.
  * Only used if the MD netbsd32_syscall.c doesn't intercept the calls.
diff -r 546a7fd88006 -r c24e139d5461 sys/compat/netbsd32/syscalls.master
--- a/sys/compat/netbsd32/syscalls.master       Sun Jul 30 05:20:36 2023 +0000
+++ b/sys/compat/netbsd32/syscalls.master       Sun Jul 30 05:30:45 2023 +0000
@@ -1,4 +1,4 @@
-       $NetBSD: syscalls.master,v 1.142 2023/07/29 12:38:25 rin Exp $
+       $NetBSD: syscalls.master,v 1.143 2023/07/30 05:30:45 rin Exp $
 
 ;      from: NetBSD: syscalls.master,v 1.81 1998/07/05 08:49:50 jonathan Exp
 ;      @(#)syscalls.master     8.2 (Berkeley) 1/13/94
@@ -1214,7 +1214,8 @@ 498       STD             { int|netbsd32||__acl_aclcheck_
                            acl_type_t type, netbsd32_aclp_t aclp); }
 499    STD             { long|netbsd32||lpathconf(const netbsd32_charp path, \
                            int name); }
-500    UNIMPL          memfd_create
+500    STD             { int|netbsd32||memfd_create( \
+                           const netbsd32_charp name, unsigned int flags); }
 501    STD             { int|netbsd32|100|kevent(int fd, \
                            const netbsd32_keventp_t changelist, \
                            netbsd32_size_t nchanges, \