forked from rpms/glibc
279 lines
9.7 KiB
Diff
279 lines
9.7 KiB
Diff
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From 9036019b09f0e6fd9d66721f4d6bbc856bb27da2 Mon Sep 17 00:00:00 2001
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From: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Date: Wed, 21 Oct 2020 14:51:39 +0530
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Subject: [PATCH] Revert "linux: Move xmknod{at} to compat symbols"
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This reverts commit 81b83ff61f95f30ad53d6075247af0ea61a0b16e.
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---
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include/sys/stat.h | 4 +--
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sysdeps/mach/hurd/xmknod.c | 17 +++------
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sysdeps/mach/hurd/xmknodat.c | 12 +------
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sysdeps/unix/sysv/linux/mknod.c | 28 ---------------
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sysdeps/unix/sysv/linux/mknodat.c | 35 -------------------
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.../unix/sysv/linux/riscv/rv32/libc.abilist | 2 ++
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sysdeps/unix/sysv/linux/xmknod.c | 20 +++++++----
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sysdeps/unix/sysv/linux/xmknodat.c | 23 ++++++++----
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8 files changed, 40 insertions(+), 101 deletions(-)
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delete mode 100644 sysdeps/unix/sysv/linux/mknod.c
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delete mode 100644 sysdeps/unix/sysv/linux/mknodat.c
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diff --git a/include/sys/stat.h b/include/sys/stat.h
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index 108cb0c9bf..9a4a8f62cc 100644
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--- a/include/sys/stat.h
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+++ b/include/sys/stat.h
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@@ -79,8 +79,10 @@ libc_hidden_proto (__mknod);
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extern int __xmknod (int __ver, const char *__path, __mode_t __mode,
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__dev_t *__dev);
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+libc_hidden_proto (__xmknod)
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extern int __xmknodat (int __ver, int __fd, const char *__path,
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__mode_t __mode, __dev_t *__dev);
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+libc_hidden_proto (__xmknodat)
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int __fxstat (int __ver, int __fildes, struct stat *__stat_buf);
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int __xstat (int __ver, const char *__filename,
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@@ -106,8 +108,6 @@ hidden_proto (__xstat64);
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hidden_proto (__lxstat64);
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hidden_proto (__fxstatat64);
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# endif
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-libc_hidden_proto (__xmknod)
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-libc_hidden_proto (__xmknodat)
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# define stat(fname, buf) __xstat (_STAT_VER, fname, buf)
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# define lstat(fname, buf) __lxstat (_STAT_VER, fname, buf)
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# define __lstat(fname, buf) __lxstat (_STAT_VER, fname, buf)
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diff --git a/sysdeps/mach/hurd/xmknod.c b/sysdeps/mach/hurd/xmknod.c
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index a1b5af086d..0ab4f1b719 100644
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--- a/sysdeps/mach/hurd/xmknod.c
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+++ b/sysdeps/mach/hurd/xmknod.c
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@@ -15,9 +15,12 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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-#include <sys/stat.h>
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+#include <errno.h>
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#include <fcntl.h>
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-#include <shlib-compat.h>
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+#include <stddef.h>
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+
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/* Create a device file named FILE_NAME, with permission and special bits MODE
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and device number DEV (which can be constructed from major and minor
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@@ -28,13 +31,3 @@ __xmknod (int vers, const char *file_name, mode_t mode, dev_t *dev)
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return __xmknodat (vers, AT_FDCWD, file_name, mode, dev);
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}
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libc_hidden_def (__xmknod)
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-
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-#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
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-int
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-__xmknod_compat (int vers, const char *file_name, mode_t mode, dev_t *dev)
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-{
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- return __xmknod (vers, file_name, mode, dev);
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-}
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-
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-compat_symbol (libc, __xmknod_compat, __xmknod, GLIBC_2_0);
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-#endif
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diff --git a/sysdeps/mach/hurd/xmknodat.c b/sysdeps/mach/hurd/xmknodat.c
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index 90724694d5..4239d1ea91 100644
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--- a/sysdeps/mach/hurd/xmknodat.c
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+++ b/sysdeps/mach/hurd/xmknodat.c
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@@ -26,7 +26,6 @@
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#include <string.h>
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#include <sys/types.h>
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#include <sys/sysmacros.h>
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-#include <shlib-compat.h>
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/* Create a device file named PATH relative to FD, with permission and
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special bits MODE and device number DEV (which can be constructed
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@@ -117,14 +116,5 @@ __xmknodat (int vers, int fd, const char *path, mode_t mode, dev_t *dev)
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return __hurd_fail (err);
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return 0;
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}
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-libc_hidden_def (__xmknodat)
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-
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-#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
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-int
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-__xmknodat_compat (int vers, int fd, const char *path, mode_t mode, dev_t *dev)
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-{
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- return __xmknodat (vers, fd, path, mode, dev);
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-}
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-compat_symbol (libc, __xmknodat_compat, __xmknodat, GLIBC_2_4);
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-#endif
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+libc_hidden_def (__xmknodat)
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diff --git a/sysdeps/unix/sysv/linux/mknod.c b/sysdeps/unix/sysv/linux/mknod.c
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deleted file mode 100644
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index 7e290ddc8b..0000000000
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--- a/sysdeps/unix/sysv/linux/mknod.c
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+++ /dev/null
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@@ -1,28 +0,0 @@
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-/* Create a special or ordinary file. Linux version.
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- Copyright (C) 2020 Free Software Foundation, Inc.
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- This file is part of the GNU C Library.
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-
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- The GNU C Library is free software; you can redistribute it and/or
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- modify it under the terms of the GNU Lesser General Public
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- License as published by the Free Software Foundation; either
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- version 2.1 of the License, or (at your option) any later version.
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-
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- The GNU C Library is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- Lesser General Public License for more details.
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-
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- You should have received a copy of the GNU Lesser General Public
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- License along with the GNU C Library; if not, see
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- <https://www.gnu.org/licenses/>. */
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-
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-#include <sys/stat.h>
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-#include <fcntl.h>
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-
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-int
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-__mknod (const char *path, mode_t mode, dev_t dev)
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-{
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- return __mknodat (AT_FDCWD, path, mode, dev);
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-}
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-libc_hidden_def (__mknod)
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-weak_alias (__mknod, mknod)
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diff --git a/sysdeps/unix/sysv/linux/mknodat.c b/sysdeps/unix/sysv/linux/mknodat.c
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deleted file mode 100644
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index fdb8f1951a..0000000000
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--- a/sysdeps/unix/sysv/linux/mknodat.c
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+++ /dev/null
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@@ -1,35 +0,0 @@
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-/* Create a special or ordinary file. Linux version.
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- Copyright (C) 2020 Free Software Foundation, Inc.
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- This file is part of the GNU C Library.
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-
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- The GNU C Library is free software; you can redistribute it and/or
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- modify it under the terms of the GNU Lesser General Public
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- License as published by the Free Software Foundation; either
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- version 2.1 of the License, or (at your option) any later version.
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-
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- The GNU C Library is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- Lesser General Public License for more details.
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-
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- You should have received a copy of the GNU Lesser General Public
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- License along with the GNU C Library; if not, see
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- <https://www.gnu.org/licenses/>. */
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-
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-#include <sys/types.h>
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-#include <sys/stat.h>
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-#include <errno.h>
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-
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-int
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-__mknodat (int fd, const char *path, mode_t mode, dev_t dev)
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-{
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- /* The user-exported dev_t is 64-bit while the kernel interface is
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- 32-bit. */
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- unsigned int k_dev = dev;
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- if (k_dev != dev)
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- return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
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-
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- return INLINE_SYSCALL_CALL (mknodat, fd, path, mode, k_dev);
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-}
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-libc_hidden_def (__mknodat)
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-weak_alias (__mknodat, mknodat)
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diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
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index 365a6b17cf..d984c02492 100644
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--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
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+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
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@@ -484,6 +484,8 @@ GLIBC_2.33 __wprintf_chk F
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GLIBC_2.33 __write F
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GLIBC_2.33 __wuflow F
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GLIBC_2.33 __wunderflow F
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+GLIBC_2.33 __xmknod F
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+GLIBC_2.33 __xmknodat F
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GLIBC_2.33 __xpg_basename F
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GLIBC_2.33 __xpg_sigpause F
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GLIBC_2.33 __xpg_strerror_r F
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diff --git a/sysdeps/unix/sysv/linux/xmknod.c b/sysdeps/unix/sysv/linux/xmknod.c
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index 82bb0bd953..42809d4c57 100644
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--- a/sysdeps/unix/sysv/linux/xmknod.c
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+++ b/sysdeps/unix/sysv/linux/xmknod.c
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@@ -17,23 +17,29 @@
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<https://www.gnu.org/licenses/>. */
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#include <sys/stat.h>
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+#include <sys/sysmacros.h>
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#include <fcntl.h>
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-#include <errno.h>
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-#include <shlib-compat.h>
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+#include <sysdep.h>
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-#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_33)
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/* Create a device file named PATH, with permission and special bits MODE
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and device number DEV (which can be constructed from major and minor
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device numbers with the `makedev' macro above). */
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int
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-attribute_compat_text_section
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__xmknod (int vers, const char *path, mode_t mode, dev_t *dev)
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{
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+ unsigned long long int k_dev;
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+
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if (vers != _MKNOD_VER)
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return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
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- return __mknodat (AT_FDCWD, path, mode, *dev);
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+ /* We must convert the value to dev_t type used by the kernel. */
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+ k_dev = (*dev) & ((1ULL << 32) - 1);
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+ if (k_dev != *dev)
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+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
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+
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+ return INLINE_SYSCALL_CALL (mknodat, AT_FDCWD, path, mode,
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+ (unsigned int) k_dev);
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}
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-compat_symbol (libc, __xmknod, __xmknod, GLIBC_2_0);
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-#endif
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+weak_alias (__xmknod, _xmknod)
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+libc_hidden_def (__xmknod)
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diff --git a/sysdeps/unix/sysv/linux/xmknodat.c b/sysdeps/unix/sysv/linux/xmknodat.c
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index fae3fe54d1..5640a499aa 100644
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--- a/sysdeps/unix/sysv/linux/xmknodat.c
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+++ b/sysdeps/unix/sysv/linux/xmknodat.c
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@@ -15,11 +15,18 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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-#include <sys/stat.h>
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#include <errno.h>
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-#include <shlib-compat.h>
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+#include <fcntl.h>
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+#include <stdio.h>
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+#include <string.h>
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+#include <sys/sysmacros.h>
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+
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+#include <sysdep.h>
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+#include <sys/syscall.h>
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+
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-#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
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/* Create a device file named PATH relative to FD, with permission and
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special bits MODE and device number DEV (which can be constructed
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from major and minor device numbers with the `makedev' macro above). */
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@@ -29,8 +36,12 @@ __xmknodat (int vers, int fd, const char *file, mode_t mode, dev_t *dev)
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if (vers != _MKNOD_VER)
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return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
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- return __mknodat (fd, file, mode, *dev);
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+ /* We must convert the value to dev_t type used by the kernel. */
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+ unsigned long long int k_dev = (*dev) & ((1ULL << 32) - 1);
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+ if (k_dev != *dev)
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+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
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+
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+ return INLINE_SYSCALL (mknodat, 4, fd, file, mode, (unsigned int) k_dev);
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}
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-compat_symbol (libc, __xmknodat, __xmknodat, GLIBC_2_4);
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-#endif
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+libc_hidden_def (__xmknodat)
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--
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2.26.2
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