hurd: Move {,f,l}xstat{,at} and xmknod{at} to compat symbols

We do not actually need them, so we can move their implementations
into the standard {,f,l}stat{,at} variants and only keep compatibility
wrappers.

include/sys/stat.h

@@ -94,36 +94,5 @@ int __lxstat64 (int ver, const char *__filename, struct stat64 *__stat_buf);
 int __fxstatat64 (int ver, int __fildes, const char *__filename,
 		  struct stat64 *__stat_buf, int __flag);
 
-# ifdef NO_RTLD_HIDDEN
-/* These are still required for Hurd.  */
-libc_hidden_proto (__fxstat);
-libc_hidden_proto (__xstat);
-libc_hidden_proto (__lxstat);
-libc_hidden_proto (__fxstatat);
-#  if IS_IN (libc)
-hidden_proto (__fxstat64);
-hidden_proto (__xstat64);
-hidden_proto (__lxstat64);
-hidden_proto (__fxstatat64);
-#  endif
-libc_hidden_proto (__xmknod)
-libc_hidden_proto (__xmknodat)
-#  define stat(fname, buf) __xstat (_STAT_VER, fname, buf)
-#  define lstat(fname, buf)  __lxstat (_STAT_VER, fname, buf)
-#  define __lstat(fname, buf)  __lxstat (_STAT_VER, fname, buf)
-#  define lstat64(fname, buf)  __lxstat64 (_STAT_VER, fname, buf)
-#  define __lstat64(fname, buf)  __lxstat64 (_STAT_VER, fname, buf)
-#  define stat64(fname, buf) __xstat64 (_STAT_VER, fname, buf)
-#  define __stat64(fname, buf) __xstat64 (_STAT_VER, fname, buf)
-#  define fstat64(fd, buf) __fxstat64 (_STAT_VER, fd, buf)
-#  define __fstat64(fd, buf) __fxstat64 (_STAT_VER, fd, buf)
-#  define fstat(fd, buf) __fxstat (_STAT_VER, fd, buf)
-#  define __fstat(fd, buf) __fxstat (_STAT_VER, fd, buf)
-#  define __fstatat(dfd, fname, buf, flag) \
-    __fxstatat (_STAT_VER, dfd, fname, buf, flag)
-#  define __fstatat64(dfd, fname, buf, flag) \
-    __fxstatat64 (_STAT_VER, dfd, fname, buf, flag)
-# endif /* NO_RTLD_HIDDEN  */
-
 #endif
 #endif

sysdeps/mach/hurd/Versions

@@ -18,6 +18,7 @@ libc {
     __read_nocancel; __pread64_nocancel;
     __write_nocancel;
     __libc_lock_self0; __getcwd;
+    __stat64;
 
     _dl_init_first;
     __close_nocancel_nostatus;
@@ -35,7 +36,7 @@ ld {
     # functions that must be shared with libc
     __close; __getpid;
     __mmap; __open; __read; __sbrk; __strtoul_internal;
-    __write; __writev; __xstat64; __fxstat64;
+    __write; __writev;
     _exit; _hurd_intr_rpc_mach_msg;
     abort;
   }
@@ -61,5 +62,6 @@ ld {
     __read_nocancel; __pread64_nocancel;
     __write_nocancel;
     __libc_lock_self0; __getcwd;
+    __stat64; __fstat64;
   }
 }

sysdeps/mach/hurd/dl-sysdep.c

@@ -545,31 +545,27 @@ __mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
   return (void *) mapaddr;
 }
 
-check_no_hidden(__fxstat64);
+check_no_hidden(__fstat64);
 int weak_function
-__fxstat64 (int vers, int fd, struct stat64 *buf)
+__fstat64 (int fd, struct stat64 *buf)
 {
   error_t err;
 
-  assert (vers == _STAT_VER);
-
   err = __io_stat ((mach_port_t) fd, buf);
   if (err)
     return __hurd_fail (err);
 
   return 0;
 }
-libc_hidden_def (__fxstat64)
+libc_hidden_def (__fstat64)
 
-check_no_hidden(__xstat64);
+check_no_hidden(__stat64);
 int weak_function
-__xstat64 (int vers, const char *file, struct stat64 *buf)
+__stat64 (const char *file, struct stat64 *buf)
 {
   error_t err;
   mach_port_t port;
 
-  assert (vers == _STAT_VER);
-
   err = open_file (file, 0, &port, buf);
   if (err)
     return __hurd_fail (err);
@@ -578,7 +574,7 @@ __xstat64 (int vers, const char *file, struct stat64 *buf)
 
   return 0;
 }
-libc_hidden_def (__xstat64)
+libc_hidden_def (__stat64)
 
 /* This function is called by the dynamic linker (rtld.c) to check
    whether debugging malloc is allowed even for SUID binaries.  This

sysdeps/mach/hurd/fstat.c

@@ -0,0 +1,31 @@
+/* Copyright (C) 1992-2020 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 <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+#include "statconv.c"
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fstat (int fd, struct stat *buf)
+{
+  struct stat64 buf64;
+  return __fstat64 (fd, &buf64) ?: stat64_conv (buf, &buf64);
+}
+weak_alias (__fstat, fstat)

sysdeps/mach/hurd/fstat64.c

@@ -0,0 +1,36 @@
+/* Copyright (C) 2000-2020 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 <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fstat64 (int fd, struct stat64 *buf)
+{
+  error_t err;
+
+  if (err = HURD_DPORT_USE (fd, __io_stat (port, buf)))
+    return __hurd_dfail (fd, err);
+
+  return 0;
+}
+hidden_def (__fstat64)
+weak_alias (__fstat64, fstat64)

sysdeps/mach/hurd/fstatat.c

@@ -0,0 +1,32 @@
+/* Get information about file named relative to open directory.  Hurd version.
+   Copyright (C) 2006-2020 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 <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+#include "statconv.c"
+
+int
+__fstatat (int fd, const char *filename, struct stat *buf, int flag)
+{
+  struct stat64 buf64;
+  return (__fstatat64 (fd, filename, &buf64, flag)
+	  ?: stat64_conv (buf, &buf64));
+}
+weak_alias (__fstatat, fstatat)

sysdeps/mach/hurd/fstatat64.c

@@ -0,0 +1,43 @@
+/* Get information about file named relative to open directory.  Hurd version.
+   Copyright (C) 2006-2020 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 <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fstatat64 (int fd, const char *filename, struct stat64 *buf, int flag)
+{
+  error_t err;
+  io_t port;
+
+  port = __file_name_lookup_at (fd, flag, filename, 0, 0);
+  if (port == MACH_PORT_NULL)
+    return -1;
+
+  err = __io_stat (port, buf);
+  __mach_port_deallocate (__mach_task_self (), port);
+
+  return __hurd_fail (err);
+}
+libc_hidden_def (__fstatat64)
+weak_alias (__fstatat64, fstatat64)

sysdeps/mach/hurd/fxstat.c

@@ -18,15 +18,20 @@
 #include <errno.h>
 #include <stddef.h>
 #include <sys/stat.h>
+#include <hurd.h>
+#include <shlib-compat.h>
 
-#include "xstatconv.c"
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
 
 /* Get information about the file descriptor FD in BUF.  */
 int
 __fxstat (int vers, int fd, struct stat *buf)
 {
-  struct stat64 buf64;
-  return __fxstat64 (vers, fd, &buf64) ?: xstat64_conv (buf, &buf64);
+  if (vers != _STAT_VER)
+    return __hurd_fail (EINVAL);
+
+  return __fstat (fd, buf);
 }
-hidden_def (__fxstat)
 weak_alias (__fxstat, _fxstat)
+
+#endif

sysdeps/mach/hurd/fxstat64.c

@@ -15,28 +15,22 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#ifndef RTLD_STAT64		/* dl-fxstat64.c, but we don't want it.  */
-
 #include <errno.h>
 #include <stddef.h>
 #include <sys/stat.h>
 #include <hurd.h>
-#include <hurd/fd.h>
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_33)
 
 /* Get information about the file descriptor FD in BUF.  */
 int
 __fxstat64 (int vers, int fd, struct stat64 *buf)
 {
-  error_t err;
-
   if (vers != _STAT_VER)
     return __hurd_fail (EINVAL);
 
-  if (err = HURD_DPORT_USE (fd, __io_stat (port, buf)))
-    return __hurd_dfail (fd, err);
-
-  return 0;
+  return __fstat64 (fd, buf);
 }
-hidden_def (__fxstat64)
 
 #endif

sysdeps/mach/hurd/fxstatat.c

@@ -19,14 +19,18 @@
 #include <errno.h>
 #include <stddef.h>
 #include <sys/stat.h>
+#include <hurd.h>
+#include <shlib-compat.h>
 
-#include "xstatconv.c"
+#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
 
 int
 __fxstatat (int vers, int fd, const char *filename, struct stat *buf, int flag)
 {
-  struct stat64 buf64;
-  return (__fxstatat64 (vers, fd, filename, &buf64, flag)
-	  ?: xstat64_conv (buf, &buf64));
+  if (vers != _STAT_VER)
+    return __hurd_fail (EINVAL);
+
+  return __fstatat (fd, filename, buf, flag);
 }
-libc_hidden_def (__fxstatat)
+
+#endif

sysdeps/mach/hurd/fxstatat64.c

@@ -21,26 +21,19 @@
 #include <stddef.h>
 #include <sys/stat.h>
 #include <hurd.h>
-#include <hurd/fd.h>
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
 
 /* Get information about the file descriptor FD in BUF.  */
 int
 __fxstatat64 (int vers, int fd, const char *filename, struct stat64 *buf,
 	      int flag)
 {
-  error_t err;
-  io_t port;
-
   if (vers != _STAT_VER)
     return __hurd_fail (EINVAL);
 
-  port = __file_name_lookup_at (fd, flag, filename, 0, 0);
-  if (port == MACH_PORT_NULL)
-    return -1;
-
-  err = __io_stat (port, buf);
-  __mach_port_deallocate (__mach_task_self (), port);
-
-  return __hurd_fail (err);
+  return __fstatat64 (fd, filename, buf, flag);
 }
-libc_hidden_def (__fxstatat64)
+
+#endif

sysdeps/mach/hurd/i386/ld.abilist

@@ -1,6 +1,5 @@
 GLIBC_2.2.6 __close F
 GLIBC_2.2.6 __errno_location F
-GLIBC_2.2.6 __fxstat64 F
 GLIBC_2.2.6 __getpid F
 GLIBC_2.2.6 __libc_stack_end D 0x4
 GLIBC_2.2.6 __mmap F
@@ -11,7 +10,6 @@ GLIBC_2.2.6 __read F
 GLIBC_2.2.6 __sbrk F
 GLIBC_2.2.6 __write F
 GLIBC_2.2.6 __writev F
-GLIBC_2.2.6 __xstat64 F
 GLIBC_2.2.6 _dl_mcount F
 GLIBC_2.2.6 _hurd_intr_rpc_mach_msg F
 GLIBC_2.2.6 _r_debug D 0x14

sysdeps/mach/hurd/i386/localplt.data

@@ -30,8 +30,8 @@ ld.so: __write_nocancel
 ld.so: __writev
 ld.so: __libc_lseek64
 ld.so: __mmap
-ld.so: __fxstat64
-ld.so: __xstat64
+ld.so: __fstat64
+ld.so: __stat64
 ld.so: __access
 ld.so: __access_noerrno
 ld.so: __getpid

sysdeps/mach/hurd/lstat.c

@@ -0,0 +1,30 @@
+/* Copyright (C) 1992-2020 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 <errno.h>
+#include <sys/stat.h>
+#include <stddef.h>
+
+#include "statconv.c"
+
+int
+__lstat (const char *file, struct stat *buf)
+{
+  struct stat64 buf64;
+  return __lstat64 (file, &buf64) ?: stat64_conv (buf, &buf64);
+}
+weak_alias (__lstat, lstat)

sysdeps/mach/hurd/lstat64.c

@@ -0,0 +1,41 @@
+/* Copyright (C) 2000-2020 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 <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <hurd.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__lstat64 (const char *file, struct stat64 *buf)
+{
+  error_t err;
+  file_t port;
+
+  port = __file_name_lookup (file, O_NOLINK, 0);
+  if (port == MACH_PORT_NULL)
+    return -1;
+  err = __io_stat (port, buf);
+  __mach_port_deallocate (__mach_task_self (), port);
+  if (err)
+    return __hurd_fail (err);
+  return 0;
+}
+hidden_def (__lstat64)
+weak_alias (__lstat64, lstat64)

sysdeps/mach/hurd/lxstat.c

@@ -18,14 +18,19 @@
 #include <errno.h>
 #include <sys/stat.h>
 #include <stddef.h>
+#include <hurd.h>
+#include <shlib-compat.h>
 
-#include "xstatconv.c"
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
 
 int
 __lxstat (int vers, const char *file, struct stat *buf)
 {
-  struct stat64 buf64;
-  return __lxstat64 (vers, file, &buf64) ?: xstat64_conv (buf, &buf64);
+  if (vers != _STAT_VER)
+    return __hurd_fail (EINVAL);
+
+  return __lstat (file, buf);
 }
-hidden_def (__lxstat)
 weak_alias (__lxstat, _lxstat)
+
+#endif

sysdeps/mach/hurd/lxstat64.c

@@ -20,24 +20,18 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <hurd.h>
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_33)
 
 /* Get information about the file descriptor FD in BUF.  */
 int
 __lxstat64 (int vers, const char *file, struct stat64 *buf)
 {
-  error_t err;
-  file_t port;
-
   if (vers != _STAT_VER)
     return __hurd_fail (EINVAL);
 
-  port = __file_name_lookup (file, O_NOLINK, 0);
-  if (port == MACH_PORT_NULL)
-    return -1;
-  err = __io_stat (port, buf);
-  __mach_port_deallocate (__mach_task_self (), port);
-  if (err)
-    return __hurd_fail (err);
-  return 0;
+  return __lstat64 (file, buf);
 }
-hidden_def (__lxstat64)
+
+#endif

sysdeps/mach/hurd/mknod.c

@@ -0,0 +1,31 @@
+/* Copyright (C) 1991-2020 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/stat.h>
+#include <fcntl.h>
+#include <shlib-compat.h>
+
+/* Create a device file named FILE_NAME, with permission and special bits MODE
+   and device number DEV (which can be constructed from major and minor
+   device numbers with the `makedev' macro above).  */
+int
+__mknod (const char *file_name, mode_t mode, dev_t dev)
+{
+  return __mknodat (AT_FDCWD, file_name, mode, dev);
+}
+libc_hidden_def (__mknod)
+weak_alias (__mknod, mknod)

sysdeps/mach/hurd/mknodat.c

@@ -0,0 +1,118 @@
+/* Create a device file relative to an open directory.  Hurd version.
+   Copyright (C) 1991-2020 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 <errno.h>
+#include <sys/stat.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+#include <hurd/paths.h>
+#include <fcntl.h>
+#include <_itoa.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/sysmacros.h>
+#include <shlib-compat.h>
+
+/* Create a device file named PATH relative to FD, with permission and
+   special bits MODE and device number DEV (which can be constructed
+   from major and minor device numbers with the `makedev' macro
+   above).  */
+int
+__mknodat (int fd, const char *path, mode_t mode, dev_t dev)
+{
+  error_t errnode, err;
+  file_t dir, node;
+  char *name;
+  char buf[100], *bp;
+  const char *translator;
+  size_t len;
+
+  if (S_ISCHR (mode))
+    {
+      translator = _HURD_CHRDEV;
+      len = sizeof (_HURD_CHRDEV);
+    }
+  else if (S_ISBLK (mode))
+    {
+      translator = _HURD_BLKDEV;
+      len = sizeof (_HURD_BLKDEV);
+    }
+  else if (S_ISFIFO (mode))
+    {
+      translator = _HURD_FIFO;
+      len = sizeof (_HURD_FIFO);
+    }
+  else if (S_ISREG (mode))
+    {
+      translator = NULL;
+      len = 0;
+    }
+  else
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  if (translator != NULL && ! S_ISFIFO (mode))
+    {
+      /* We set the translator to "ifmt\0major\0minor\0", where IFMT
+	 depends on the S_IFMT bits of our MODE argument, and MAJOR and
+	 MINOR are ASCII decimal (octal or hex would do as well)
+	 representations of our arguments.  Thus the convention is that
+	 CHRDEV and BLKDEV translators are invoked with two non-switch
+	 arguments, giving the major and minor device numbers in %i format. */
+
+      bp = buf + sizeof (buf);
+      *--bp = '\0';
+      bp = _itoa (__gnu_dev_minor (dev), bp, 10, 0);
+      *--bp = '\0';
+      bp = _itoa (__gnu_dev_major (dev), bp, 10, 0);
+      memcpy (bp - len, translator, len);
+      translator = bp - len;
+      len = buf + sizeof (buf) - translator;
+    }
+
+  dir = __file_name_split_at (fd, path, &name);
+  if (dir == MACH_PORT_NULL)
+    return -1;
+
+  /* Create a new, unlinked node in the target directory.  */
+  errnode = err = __dir_mkfile (dir, O_WRITE, (mode & ~S_IFMT) & ~_hurd_umask, &node);
+
+  if (! err && translator != NULL)
+    /* Set the node's translator to make it a device.  */
+    err = __file_set_translator (node,
+				 FS_TRANS_EXCL | FS_TRANS_SET,
+				 FS_TRANS_EXCL | FS_TRANS_SET, 0,
+				 translator, len,
+				 MACH_PORT_NULL, MACH_MSG_TYPE_COPY_SEND);
+
+  if (! err)
+    /* Link the node, now a valid device, into the target directory.  */
+    err = __dir_link (dir, node, name, 1);
+
+  __mach_port_deallocate (__mach_task_self (), dir);
+  if (! errnode)
+    __mach_port_deallocate (__mach_task_self (), node);
+
+  if (err)
+    return __hurd_fail (err);
+  return 0;
+}
+libc_hidden_def (__mknodat)
+weak_alias (__mknodat, mknodat)

sysdeps/mach/hurd/stat.c

@@ -0,0 +1,30 @@
+/* Copyright (C) 1992-2020 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 <errno.h>
+#include <sys/stat.h>
+
+#include "statconv.c"
+
+/* Get file information about FILE in BUF.  */
+int
+__stat (const char *file, struct stat *buf)
+{
+  struct stat64 buf64;
+  return __stat64 (file, &buf64) ?: stat64_conv (buf, &buf64);
+}
+weak_alias (__stat, stat)

sysdeps/mach/hurd/stat64.c

@@ -0,0 +1,40 @@
+/* Copyright (C) 2000-2020 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 <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <hurd.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__stat64 (const char *file, struct stat64 *buf)
+{
+  error_t err;
+  file_t port;
+
+  port = __file_name_lookup (file, 0, 0);
+  if (port == MACH_PORT_NULL)
+    return -1;
+  err = __io_stat (port, buf);
+  __mach_port_deallocate (__mach_task_self (), port);
+  if (err)
+    return __hurd_fail (err);
+  return 0;
+}
+hidden_def (__stat64)
+weak_alias (__stat64, stat64)

sysdeps/mach/hurd/statconv.c

@@ -20,7 +20,7 @@
 #include <sys/stat.h>
 
 static inline int
-xstat64_conv (struct stat *buf, const struct stat64 *buf64)
+stat64_conv (struct stat *buf, const struct stat64 *buf64)
 {
   if (sizeof *buf == sizeof *buf64
       && sizeof buf->st_ino == sizeof buf64->st_ino

sysdeps/mach/hurd/xmknod.c

@@ -16,25 +16,21 @@
    <https://www.gnu.org/licenses/>.  */
 
 #include <sys/stat.h>
+#include <errno.h>
 #include <fcntl.h>
+#include <hurd.h>
 #include <shlib-compat.h>
 
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
 /* Create a device file named FILE_NAME, with permission and special bits MODE
    and device number DEV (which can be constructed from major and minor
    device numbers with the `makedev' macro above).  */
 int
 __xmknod (int vers, const char *file_name, mode_t mode, dev_t *dev)
 {
-  return __xmknodat (vers, AT_FDCWD, file_name, mode, dev);
-}
-libc_hidden_def (__xmknod)
+  if (vers != _MKNOD_VER)
+    return __hurd_fail (EINVAL);
 
-#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
-int
-__xmknod_compat (int vers, const char *file_name, mode_t mode, dev_t *dev)
-{
-  return __xmknod (vers, file_name, mode, dev);
+  return __mknodat (AT_FDCWD, file_name, mode, *dev);
 }
-
-compat_symbol (libc, __xmknod_compat, __xmknod, GLIBC_2_0);
 #endif

sysdeps/mach/hurd/xmknodat.c

@@ -16,18 +16,13 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
 #include <sys/stat.h>
-#include <hurd.h>
-#include <hurd/fd.h>
-#include <hurd/paths.h>
+#include <errno.h>
 #include <fcntl.h>
-#include <_itoa.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/sysmacros.h>
+#include <hurd.h>
 #include <shlib-compat.h>
 
+#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
 /* Create a device file named PATH relative to FD, with permission and
    special bits MODE and device number DEV (which can be constructed
    from major and minor device numbers with the `makedev' macro
@@ -35,96 +30,9 @@
 int
 __xmknodat (int vers, int fd, const char *path, mode_t mode, dev_t *dev)
 {
-  error_t errnode, err;
-  file_t dir, node;
-  char *name;
-  char buf[100], *bp;
-  const char *translator;
-  size_t len;
-
   if (vers != _MKNOD_VER)
     return __hurd_fail (EINVAL);
 
-  if (S_ISCHR (mode))
-    {
-      translator = _HURD_CHRDEV;
-      len = sizeof (_HURD_CHRDEV);
-    }
-  else if (S_ISBLK (mode))
-    {
-      translator = _HURD_BLKDEV;
-      len = sizeof (_HURD_BLKDEV);
-    }
-  else if (S_ISFIFO (mode))
-    {
-      translator = _HURD_FIFO;
-      len = sizeof (_HURD_FIFO);
-    }
-  else if (S_ISREG (mode))
-    {
-      translator = NULL;
-      len = 0;
-    }
-  else
-    {
-      errno = EINVAL;
-      return -1;
-    }
-
-  if (translator != NULL && ! S_ISFIFO (mode))
-    {
-      /* We set the translator to "ifmt\0major\0minor\0", where IFMT
-	 depends on the S_IFMT bits of our MODE argument, and MAJOR and
-	 MINOR are ASCII decimal (octal or hex would do as well)
-	 representations of our arguments.  Thus the convention is that
-	 CHRDEV and BLKDEV translators are invoked with two non-switch
-	 arguments, giving the major and minor device numbers in %i format. */
-
-      bp = buf + sizeof (buf);
-      *--bp = '\0';
-      bp = _itoa (__gnu_dev_minor (*dev), bp, 10, 0);
-      *--bp = '\0';
-      bp = _itoa (__gnu_dev_major (*dev), bp, 10, 0);
-      memcpy (bp - len, translator, len);
-      translator = bp - len;
-      len = buf + sizeof (buf) - translator;
-    }
-
-  dir = __file_name_split_at (fd, path, &name);
-  if (dir == MACH_PORT_NULL)
-    return -1;
-
-  /* Create a new, unlinked node in the target directory.  */
-  errnode = err = __dir_mkfile (dir, O_WRITE, (mode & ~S_IFMT) & ~_hurd_umask, &node);
-
-  if (! err && translator != NULL)
-    /* Set the node's translator to make it a device.  */
-    err = __file_set_translator (node,
-				 FS_TRANS_EXCL | FS_TRANS_SET,
-				 FS_TRANS_EXCL | FS_TRANS_SET, 0,
-				 translator, len,
-				 MACH_PORT_NULL, MACH_MSG_TYPE_COPY_SEND);
-
-  if (! err)
-    /* Link the node, now a valid device, into the target directory.  */
-    err = __dir_link (dir, node, name, 1);
-
-  __mach_port_deallocate (__mach_task_self (), dir);
-  if (! errnode)
-    __mach_port_deallocate (__mach_task_self (), node);
-
-  if (err)
-    return __hurd_fail (err);
-  return 0;
+  return __mknodat (fd, path, mode, *dev);
 }
-libc_hidden_def (__xmknodat)
-
-#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
-int
-__xmknodat_compat (int vers, int fd, const char *path, mode_t mode, dev_t *dev)
-{
-  return __xmknodat (vers, fd, path, mode, dev);
-}
-
-compat_symbol (libc, __xmknodat_compat, __xmknodat, GLIBC_2_4);
 #endif

sysdeps/mach/hurd/xstat.c

@@ -17,15 +17,20 @@
 
 #include <errno.h>
 #include <sys/stat.h>
+#include <hurd.h>
+#include <shlib-compat.h>
 
-#include "xstatconv.c"
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
 
 /* Get file information about FILE in BUF.  */
 int
 __xstat (int vers, const char *file, struct stat *buf)
 {
-  struct stat64 buf64;
-  return __xstat64 (vers, file, &buf64) ?: xstat64_conv (buf, &buf64);
+  if (vers != _STAT_VER)
+    return __hurd_fail (EINVAL);
+
+  return __stat (file, buf);
 }
-hidden_def (__xstat)
 weak_alias (__xstat, _xstat)
+
+#endif

sysdeps/mach/hurd/xstat64.c

@@ -15,32 +15,22 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#ifndef RTLD_STAT64		/* dl-xstat64.c, but we don't want it.  */
-
 #include <errno.h>
 #include <stddef.h>
 #include <sys/stat.h>
 #include <hurd.h>
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_33)
 
 /* Get information about the file descriptor FD in BUF.  */
 int
 __xstat64 (int vers, const char *file, struct stat64 *buf)
 {
-  error_t err;
-  file_t port;
-
   if (vers != _STAT_VER)
     return __hurd_fail (EINVAL);
 
-  port = __file_name_lookup (file, 0, 0);
-  if (port == MACH_PORT_NULL)
-    return -1;
-  err = __io_stat (port, buf);
-  __mach_port_deallocate (__mach_task_self (), port);
-  if (err)
-    return __hurd_fail (err);
-  return 0;
+  return __stat64 (file, buf);
 }
-hidden_def (__xstat64)
 
 #endif