tools/nolibc: move mount() to sys/mount.h

This is the location regular userspace expects this definition.

Signed-off-by: Thomas Weißschuh <[e-mail]>
Acked-by: Willy Tarreau <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

tools/include/nolibc/Makefile

···
 		sys/auxv.h \
 		sys/ioctl.h \
 		sys/mman.h \
+		sys/mount.h \
 		sys/random.h \
 		sys/stat.h \
 		sys/syscall.h \

tools/include/nolibc/nolibc.h

···
 #include "sys/auxv.h"
 #include "sys/ioctl.h"
 #include "sys/mman.h"
+#include "sys/mount.h"
 #include "sys/random.h"
 #include "sys/stat.h"
 #include "sys/syscall.h"

tools/include/nolibc/sys.h

···
 	return __sysret(sys_mknod(path, mode, dev));
 }
 
-/*
- * int mount(const char *source, const char *target,
- *           const char *fstype, unsigned long flags,
- *           const void *data);
- */
-static __attribute__((unused))
-int sys_mount(const char *src, const char *tgt, const char *fst,
-                     unsigned long flags, const void *data)
-{
-	return my_syscall5(__NR_mount, src, tgt, fst, flags, data);
-}
-
-static __attribute__((unused))
-int mount(const char *src, const char *tgt,
-          const char *fst, unsigned long flags,
-          const void *data)
-{
-	return __sysret(sys_mount(src, tgt, fst, flags, data));
-}
-
 
 /*
  * int pipe2(int pipefd[2], int flags);

tools/include/nolibc/sys/mount.h

···
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * Mount definitions for NOLIBC
+ * Copyright (C) 2017-2021 Willy Tarreau <[e-mail]>
+ */
+
+/* make sure to include all global symbols */
+#include "../nolibc.h"
+
+#ifndef _NOLIBC_SYS_MOUNT_H
+#define _NOLIBC_SYS_MOUNT_H
+
+#include "../sys.h"
+
+#include <linux/mount.h>
+
+/*
+ * int mount(const char *source, const char *target,
+ *           const char *fstype, unsigned long flags,
+ *           const void *data);
+ */
+static __attribute__((unused))
+int sys_mount(const char *src, const char *tgt, const char *fst,
+	      unsigned long flags, const void *data)
+{
+	return my_syscall5(__NR_mount, src, tgt, fst, flags, data);
+}
+
+static __attribute__((unused))
+int mount(const char *src, const char *tgt,
+	  const char *fst, unsigned long flags,
+	  const void *data)
+{
+	return __sysret(sys_mount(src, tgt, fst, flags, data));
+}
+
+#endif /* _NOLIBC_SYS_MOUNT_H */