Linux: Remove generic sysdep

The includes chain is added on each architecture sysdep.h and
the __NR__llseek hack is moved to lseek.c and lseek64.c.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>

sysdeps/unix/sysv/linux/aarch64/sysdep.h

@@ -21,7 +21,8 @@
 
 #include <sysdeps/unix/sysdep.h>
 #include <sysdeps/aarch64/sysdep.h>
-#include <sysdeps/unix/sysv/linux/generic/sysdep.h>
+#include <sysdeps/unix/sysdep.h>
+#include <sysdeps/unix/sysv/linux/sysdep.h>
 
 /* Defines RTLD_PRIVATE_ERRNO and USE_DL_SYSINFO.  */
 #include <dl-sysdep.h>

sysdeps/unix/sysv/linux/arc/sysdep.h

@@ -20,7 +20,9 @@
 #define _LINUX_ARC_SYSDEP_H 1
 
 #include <sysdeps/arc/sysdep.h>
-#include <sysdeps/unix/sysv/linux/generic/sysdep.h>
+#include <bits/wordsize.h>
+#include <sysdeps/unix/sysdep.h>
+#include <sysdeps/unix/sysv/linux/sysdep.h>
 
 /* "workarounds" for generic code needing to handle 64-bit time_t.  */
 

sysdeps/unix/sysv/linux/csky/sysdep.h

@@ -20,9 +20,9 @@
 #define _LINUX_CSKY_SYSDEP_H 1
 
 /* There is some commonality.  */
-#include <sysdeps/unix/sysv/linux/generic/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/csky/sysdep.h>
+#include <sysdeps/unix/sysdep.h>
 
 /* Defines RTLD_PRIVATE_ERRNO and USE_DL_SYSINFO.  */
 #include <dl-sysdep.h>

sysdeps/unix/sysv/linux/generic/sysdep.h

@@ -1,26 +0,0 @@
-/* Copyright (C) 2011-2022 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 <bits/wordsize.h>
-#include <kernel-features.h>
-#include <sysdeps/unix/sysdep.h>
-#include <sysdeps/unix/sysv/linux/sysdep.h>
-
-/* Provide the common name to allow more code reuse.  */
-#ifdef __NR_llseek
-# define __NR__llseek __NR_llseek
-#endif

sysdeps/unix/sysv/linux/loongarch/sysdep.h

@@ -19,7 +19,8 @@
 #ifndef _LINUX_LOONGARCH_SYSDEP_H
 #define _LINUX_LOONGARCH_SYSDEP_H 1
 
-#include <sysdeps/unix/sysv/linux/generic/sysdep.h>
+#include <sysdeps/unix/sysv/linux/sysdep.h>
+#include <sysdeps/unix/sysdep.h>
 #include <tls.h>
 
 #ifdef __ASSEMBLER__

sysdeps/unix/sysv/linux/lseek.c

@@ -41,6 +41,10 @@ static inline off_t lseek_overflow (loff_t res)
 off_t
 __lseek (int fd, off_t offset, int whence)
 {
+#ifdef __NR_llseek
+# define __NR__llseek __NR_llseek
+#endif
+
 # ifdef __NR__llseek
   loff_t res;
   int rc = INLINE_SYSCALL_CALL (_llseek, fd,

sysdeps/unix/sysv/linux/lseek64.c

@@ -26,6 +26,10 @@
 off64_t
 __lseek64 (int fd, off64_t offset, int whence)
 {
+#ifdef __NR_llseek
+# define __NR__llseek __NR_llseek
+#endif
+
 #ifdef __NR__llseek
   loff_t res;
   int rc = INLINE_SYSCALL_CALL (_llseek, fd,

sysdeps/unix/sysv/linux/nios2/sysdep.h

@@ -19,9 +19,9 @@
 #ifndef _LINUX_NIOS2_SYSDEP_H
 #define _LINUX_NIOS2_SYSDEP_H 1
 
+#include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/sysdep.h>
 #include <sysdeps/nios2/sysdep.h>
-#include <sysdeps/unix/sysv/linux/generic/sysdep.h>
 
 /* For RTLD_PRIVATE_ERRNO.  */
 #include <dl-sysdep.h>

sysdeps/unix/sysv/linux/or1k/sysdep.h

@@ -19,8 +19,9 @@
 #ifndef _LINUX_OR1K_SYSDEP_H
 #define _LINUX_OR1K_SYSDEP_H 1
 
+#include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/or1k/sysdep.h>
-#include <sysdeps/unix/sysv/linux/generic/sysdep.h>
+#include <sysdeps/unix/sysdep.h>
 #include <tls.h>
 
 /* "workarounds" for generic code needing to handle 64-bit time_t.  */

sysdeps/unix/sysv/linux/riscv/sysdep.h

@@ -19,7 +19,8 @@
 #ifndef _LINUX_RISCV_SYSDEP_H
 #define _LINUX_RISCV_SYSDEP_H 1
 
-#include <sysdeps/unix/sysv/linux/generic/sysdep.h>
+#include <sysdeps/unix/sysv/linux/sysdep.h>
+#include <sysdeps/unix/sysdep.h>
 #include <tls.h>
 
 #undef SYS_ify