sysdeps/unix/sysv/linux/microblaze/sysdep.S

   1 /* Copyright (C) 2009-2014 Free Software Foundation, Inc.
   2
   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 License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    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
  22 /* The following code is only used in the shared library when we
  23    compile the reentrant version.  Otherwise each system call defines
  24    each own version.  */
  25
  26 #ifndef PIC
  27
  28 /* The syscall stubs jump here when they detect an error.  */
  29
  30 # undef CALL_MCOUNT
  31 # define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %d0.  */
  32
  33         .text
  34 ENTRY (__syscall_error)
  35         rsubk   r3,r3,r0
  36         rtsd    r15,8
  37         addik   r3,r0,-1        /* delay slot.  */
  38 END (__syscall_error)
  39 #endif /* PIC.  */