Sun Jan 3 16:12:44 2021 UTC ()
Add preadv(2) and pwritev(2).


(thorpej)
diff -r1.71.2.2 -r1.71.2.3 src/sys/compat/linux32/arch/amd64/syscalls.master
diff -r1.30.2.2 -r1.30.2.3 src/sys/compat/linux32/common/linux32_misc.c

cvs diff -r1.71.2.2 -r1.71.2.3 src/sys/compat/linux32/arch/amd64/syscalls.master (expand / switch to context diff)
--- src/sys/compat/linux32/arch/amd64/syscalls.master 2020/12/17 03:05:32 1.71.2.2
+++ src/sys/compat/linux32/arch/amd64/syscalls.master 2021/01/03 16:12:43 1.71.2.3
@@ -1,4 +1,4 @@
-	$NetBSD: syscalls.master,v 1.71.2.2 2020/12/17 03:05:32 thorpej Exp $
+	$NetBSD: syscalls.master,v 1.71.2.3 2021/01/03 16:12:43 thorpej Exp $
 
 ; NetBSD i386 COMPAT_LINUX32 system call name/number "master" file.
 ; (See syscalls.conf to see what it is processed into.)
@@ -567,8 +567,12 @@
 330	STD	{ int|linux32_sys||dup3(int from, int to, int flags); }
 331     STD	{ int|linux32_sys||pipe2(netbsd32_intp fd, int flags); }
 332	UNIMPL	inotify_init1
-333	UNIMPL	preadv
-334	UNIMPL	pwritev
+333	STD	{ int|linux32_sys||preadv(int fd, \
+		    const netbsd32_iovecp_t iovp, int iovcnt, \
+		    netbsd32_u_long off_lo, netbsd32_u_long off_hi); }
+334	STD	{ int|linux32_sys||pwritev(int fd, \
+		    const netbsd32_iovecp_t iovp, int iovcnt, \
+		    netbsd32_u_long off_lo, netbsd32_u_long off_hi); }
 335	UNIMPL	rt_tgsigqueueinfo
 336	UNIMPL	perf_counter_open
 337	UNIMPL	recvmmsg

cvs diff -r1.30.2.2 -r1.30.2.3 src/sys/compat/linux32/common/linux32_misc.c (expand / switch to context diff)
--- src/sys/compat/linux32/common/linux32_misc.c 2020/12/17 03:02:06 1.30.2.2
+++ src/sys/compat/linux32/common/linux32_misc.c 2021/01/03 16:12:44 1.30.2.3
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux32_misc.c,v 1.30.2.2 2020/12/17 03:02:06 thorpej Exp $	*/
+/*	$NetBSD: linux32_misc.c,v 1.30.2.3 2021/01/03 16:12:44 thorpej Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998, 1999 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux32_misc.c,v 1.30.2.2 2020/12/17 03:02:06 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux32_misc.c,v 1.30.2.3 2021/01/03 16:12:44 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/proc.h>
@@ -379,4 +379,54 @@
 	NETBSD32TO64_UAP(flags);
 
 	return linux_sys_eventfd2(l, &ua, retval);
+}
+
+static inline off_t
+linux32_hilo_to_off_t(unsigned long hi, unsigned long lo)
+{
+	return (((off_t)hi) << 32) | lo;
+}
+
+int
+linux32_sys_preadv(struct lwp *l, const struct linux32_sys_preadv_args *uap,
+    register_t *retval)
+{
+	/* {
+		syscallarg(int) fd;
+		syscallarg(const netbsd32_iovecp_t) iovp;
+		syscallarg(int) iovcnt;
+		syscallarg(netbsd32_u_long) off_lo;
+		syscallarg(netbsd32_u_long) off_hi;
+	} */
+	struct netbsd32_preadv_args ua;
+
+	SCARG(&ua, fd) = SCARG(uap, fd);
+	SCARG(&ua, iovp) = SCARG(uap, iovp);
+	SCARG(&ua, iovcnt) = SCARG(uap, iovcnt);
+	SCARG(&ua, PAD) = 0;
+	SCARG(&ua, offset) = linux32_hilo_to_off_t(SCARG(uap, off_hi),
+						   SCARG(uap, off_lo));
+	return netbsd32_preadv(l, &ua, retval);
+}
+
+int
+linux32_sys_pwritev(struct lwp *l, const struct linux32_sys_pwritev_args *uap,
+    register_t *retval)
+{
+	/* {
+		syscallarg(int) fd;
+		syscallarg(const netbsd32_iovecp_t) iovp;
+		syscallarg(int) iovcnt;
+		syscallarg(netbsd32_u_long) off_lo;
+		syscallarg(netbsd32_u_long) off_hi;
+	} */
+	struct netbsd32_pwritev_args ua;
+
+	SCARG(&ua, fd) = SCARG(uap, fd);
+	SCARG(&ua, iovp) = SCARG(uap, iovp);
+	SCARG(&ua, iovcnt) = SCARG(uap, iovcnt);
+	SCARG(&ua, PAD) = 0;
+	SCARG(&ua, offset) = linux32_hilo_to_off_t(SCARG(uap, off_hi),
+						   SCARG(uap, off_lo));
+	return netbsd32_pwritev(l, &ua, retval);
 }