linux: Add fanotify_mark C implementation

Passing 64-bit arguments on syscalls.list is tricky: it requires
to reimplement the expected kernel abi in each architecture.  This
is way to better to represent in C code where we already have
macros for this (SYSCALL_LL64).

Checked on x86_64-linux-gnu.

18 files changed, 42 insertions, 22 deletions

diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 76042a6019..695535716a 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -66,7 +66,8 @@ sysdep_routines += adjtimex clone umount umount2 readahead sysctl \
 		   fxstatat fxstatat64 \
 		   xmknod xmknodat convert_scm_timestamps \
 		   closefrom_fallback \
-		   clone3 clone-internal
+		   clone3 clone-internal \
+		   fanotify_mark \
 
 CFLAGS-gethostid.c = -fexceptions
 CFLAGS-tee.c = -fexceptions -fasynchronous-unwind-tables
diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list
index 10c3ae9dae..fa26876f90 100644
--- a/sysdeps/unix/sysv/linux/arm/syscalls.list
+++ b/sysdeps/unix/sysv/linux/arm/syscalls.list
@@ -17,8 +17,6 @@ setfsuid	-	setfsuid32	Ei:i	setfsuid
 
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
 
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	fanotify_mark
-
 personality	EXTRA	personality	Ei:i	__personality	personality
 
 # proper socket implementations:
diff --git a/sysdeps/unix/sysv/linux/fanotify_mark.c b/sysdeps/unix/sysv/linux/fanotify_mark.c
new file mode 100644
index 0000000000..6269b2c6e0
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/fanotify_mark.c
@@ -0,0 +1,36 @@
+/* Add, remove, or modify an fanotify mark on a filesystem object.
+   Linux specific syscall.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sys/fanotify.h>
+#include <sysdep.h>
+
+int
+__fanotify_mark (int fd, unsigned int flags, uint64_t mask, int dirfd,
+	         const char *pathname)
+{
+  return INLINE_SYSCALL_CALL (fanotify_mark, fd, flags, SYSCALL_LL64 (mask),
+			      dirfd, pathname);
+}
+#ifdef VERSION_fanotify_mark
+# include <shlib-compat.h>
+versioned_symbol (libc, __fanotify_mark, fanotify_mark,
+		  VERSION_fanotify_mark);
+#else
+weak_alias (__fanotify_mark, fanotify_mark)
+#endif
diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list b/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list
index b775008a37..736edbe654 100644
--- a/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list
+++ b/sysdeps/unix/sysv/linux/generic/wordsize-32/syscalls.list
@@ -2,4 +2,3 @@
 
 # rlimit APIs
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	fanotify_mark
diff --git a/sysdeps/unix/sysv/linux/hppa/fanotify_mark.c b/sysdeps/unix/sysv/linux/hppa/fanotify_mark.c
new file mode 100644
index 0000000000..ce347a4261
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/hppa/fanotify_mark.c
@@ -0,0 +1,2 @@
+#define VERSION_fanotify_mark GLIBC_2_19
+#include <sysdeps/unix/sysv/linux/fanotify_mark.c>
diff --git a/sysdeps/unix/sysv/linux/hppa/syscalls.list b/sysdeps/unix/sysv/linux/hppa/syscalls.list
index 043d884bf9..cc5305a585 100644
--- a/sysdeps/unix/sysv/linux/hppa/syscalls.list
+++ b/sysdeps/unix/sysv/linux/hppa/syscalls.list
@@ -10,5 +10,4 @@ socket		-	socket		i:iii	__socket	socket
 socketpair	-	socketpair	i:iiif	__socketpair	socketpair
 
 prlimit64	EXTRA	prlimit64	i:iipp	__prlimit64	prlimit64@@GLIBC_2.17
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	__fanotify_mark	fanotify_mark@@GLIBC_2.19
 personality	EXTRA	personality	Ei:i	__personality	personality
diff --git a/sysdeps/unix/sysv/linux/i386/syscalls.list b/sysdeps/unix/sysv/linux/i386/syscalls.list
index 58020dfae5..d3eaabe61b 100644
--- a/sysdeps/unix/sysv/linux/i386/syscalls.list
+++ b/sysdeps/unix/sysv/linux/i386/syscalls.list
@@ -21,6 +21,4 @@ vm86		-	vm86		i:ip	__vm86		vm86@@GLIBC_2.3.4
 
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
 
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	fanotify_mark
-
 personality	EXTRA	personality	Ei:i	__personality	personality
diff --git a/sysdeps/unix/sysv/linux/m68k/syscalls.list b/sysdeps/unix/sysv/linux/m68k/syscalls.list
index 55a377b841..44c84bf626 100644
--- a/sysdeps/unix/sysv/linux/m68k/syscalls.list
+++ b/sysdeps/unix/sysv/linux/m68k/syscalls.list
@@ -17,5 +17,4 @@ setfsuid	-	setfsuid32	Ei:i	setfsuid
 
 cacheflush	EXTRA	cacheflush	i:iiii	__cacheflush	cacheflush
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	fanotify_mark
 personality	EXTRA	personality	Ei:i	__personality	personality
diff --git a/sysdeps/unix/sysv/linux/microblaze/syscalls.list b/sysdeps/unix/sysv/linux/microblaze/syscalls.list
index 932c9cccc8..0abdc38bf3 100644
--- a/sysdeps/unix/sysv/linux/microblaze/syscalls.list
+++ b/sysdeps/unix/sysv/linux/microblaze/syscalls.list
@@ -3,5 +3,4 @@
 cacheflush	EXTRA	cacheflush	i:iiii	__cacheflush	cacheflush
 
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	fanotify_mark
 personality	EXTRA	personality	Ei:i	__personality	personality
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips32/syscalls.list
index f357b5c918..dbeb184d73 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/syscalls.list
+++ b/sysdeps/unix/sysv/linux/mips/mips32/syscalls.list
@@ -1,5 +1,3 @@
 # File name	Caller	Syscall name	# args	Strong name	Weak names
 
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
-
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	fanotify_mark
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list
index 9e6a584685..848028f125 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list
@@ -6,6 +6,4 @@ lseek64		-	lseek		i:iii	__lseek64	__libc_lseek64 lseek64@@GLIBC_2.2 llseek@GLIBC
 
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
 
-fanotify_mark	EXTRA	fanotify_mark	i:iiiis	fanotify_mark
-
 personality	EXTRA	personality	Ei:i	__personality	personality
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list
index e4e16dfa49..84f348c8e5 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list
@@ -2,6 +2,4 @@
 
 prlimit		EXTRA	prlimit64	i:iipp	prlimit		prlimit64
 
-fanotify_mark	EXTRA	fanotify_mark	i:iiiis	fanotify_mark
-
 sendfile	-	sendfile	i:iipi	sendfile	sendfile64
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list b/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list
index 966856e64a..d31303250d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list
@@ -4,4 +4,3 @@ chown		-	chown		i:sii	__chown		chown@@GLIBC_2.1
 lchown		-	lchown		i:sii	__lchown	lchown@@GLIBC_2.0 chown@GLIBC_2.0
 
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	fanotify_mark
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list
index 300b13dd01..8e9b7c4b71 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list
@@ -16,5 +16,4 @@ setfsgid	-	setfsgid32	Ei:i	setfsgid
 setfsuid	-	setfsuid32	Ei:i	setfsuid
 
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	fanotify_mark
 personality	EXTRA	personality	Ei:i	__personality	personality
diff --git a/sysdeps/unix/sysv/linux/sh/fanotify_mark.c b/sysdeps/unix/sysv/linux/sh/fanotify_mark.c
new file mode 100644
index 0000000000..3662f21b60
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sh/fanotify_mark.c
@@ -0,0 +1,2 @@
+#define VERSION_fanotify_mark GLIBC_2_16
+#include <sysdeps/unix/sysv/linux/fanotify_mark.c>
diff --git a/sysdeps/unix/sysv/linux/sh/syscalls.list b/sysdeps/unix/sysv/linux/sh/syscalls.list
index 32badd1ee0..6ff3e8eb8a 100644
--- a/sysdeps/unix/sysv/linux/sh/syscalls.list
+++ b/sysdeps/unix/sysv/linux/sh/syscalls.list
@@ -17,6 +17,4 @@ setfsuid	-	setfsuid32	Ei:i	setfsuid
 
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
 
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	__fanotify_mark	fanotify_mark@@GLIBC_2.16
-
 personality	EXTRA	personality	Ei:i	__personality	personality
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list b/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list
index 0b6095ffab..4fcae65451 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list
@@ -16,4 +16,3 @@ setfsgid	-	setfsgid32	Ei:i	setfsgid
 setfsuid	-	setfsuid32	Ei:i	setfsuid
 
 prlimit64	EXTRA	prlimit64	i:iipp	prlimit64
-fanotify_mark	EXTRA	fanotify_mark	i:iiiiis	fanotify_mark
diff --git a/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list b/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
index 68e3c60536..8d97a32344 100644
--- a/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
@@ -2,6 +2,4 @@
 
 sendfile	-	sendfile	i:iipi	sendfile	sendfile64
 prlimit		EXTRA	prlimit64	i:iipp	prlimit		prlimit64
-
-fanotify_mark	EXTRA	fanotify_mark	i:iiiis	fanotify_mark
 personality	EXTRA	personality	i:i	__personality	personality