text: /* Syscall definitions, Linux MIPS generic version.
     Copyright (C) 2019-2020 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
     <http://www.gnu.org/licenses/>.  */
  
  #include <sgidefs.h>
  
  #define VDSO_NAME  "LINUX_2.6"
  #define VDSO_HASH  61765110
  
  /* List of system calls which are supported as vsyscalls.  */
  #define HAVE_CLOCK_GETTIME_VSYSCALL     "__vdso_clock_gettime"
  #if _MIPS_SIM != _ABI64
  # define HAVE_CLOCK_GETTIME64_VSYSCALL  "__vdso_clock_gettime64"
  #endif
  #define HAVE_GETTIMEOFDAY_VSYSCALL      "__vdso_gettimeofday"
  #define HAVE_CLOCK_GETRES_VSYSCALL      "__vdso_clock_getres"
  
  #ifndef __ASSEMBLER__
  
  /* Standard MIPS syscalls have an error flag, and return a positive errno
     when the error flag is set. Emulate this behaviour for vsyscalls so that
     the INTERNAL_SYSCALL_{ERROR_P,ERRNO} macros work correctly.  */
  #define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...)		\
    ({									\
      long _ret = funcptr (args);						\
      err = ((unsigned long) (_ret) >= (unsigned long) -4095L);		\
      if (err)								\
        _ret = -_ret;							\
      _ret;								\
    })
  
  #endif /* __ASSEMBLER__  */
  