sysdeps/unix/sysv/linux/x86_64/x32/lseek.S

   1 /* The lseek system call with 64-bit offset.  Linux/x32 version.
   2    Copyright (C) 2012-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdep.h>
  20
  21 /* Return -1LL in a full 64 bits.  */
  22 #undef SYSCALL_ERROR_HANDLER
  23 #define SYSCALL_ERROR_HANDLER   \
  24 0:                              \
  25         SYSCALL_SET_ERRNO;      \
  26         orq $-1, %rax;          \
  27         ret;
  28
  29 /* Always use our own error handler.  */
  30 #undef SYSCALL_ERROR_LABEL
  31 #define SYSCALL_ERROR_LABEL 0f
  32
  33 PSEUDO (__libc_lseek64, lseek, 3)
  34         ret
  35 PSEUDO_END (__libc_lseek64)
  36
  37 weak_alias (__libc_lseek64, __lseek64)
  38 libc_hidden_weak (__lseek64)
  39 weak_alias (__libc_lseek64, lseek64)
  40 libc_hidden_weak (lseek64)
  41 weak_alias (__libc_lseek64, __lseek)
  42 libc_hidden_weak (__lseek)
  43 weak_alias (__libc_lseek64, lseek)