1  /* do not edit automatically generated by mc from SYSTEM.  */
       2  /* SYSTEM.def provides access to the SYSTEM dependent module.
       3  
       4  Copyright (C) 2001-2023 Free Software Foundation, Inc.
       5  Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
       6  
       7  This file is part of GNU Modula-2.
       8  
       9  GNU Modula-2 is free software; you can redistribute it and/or modify
      10  it under the terms of the GNU General Public License as published by
      11  the Free Software Foundation; either version 3, or (at your option)
      12  any later version.
      13  
      14  GNU Modula-2 is distributed in the hope that it will be useful, but
      15  WITHOUT ANY WARRANTY; without even the implied warranty of
      16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17  General Public License for more details.
      18  
      19  Under Section 7 of GPL version 3, you are granted additional
      20  permissions described in the GCC Runtime Library Exception, version
      21  3.1, as published by the Free Software Foundation.
      22  
      23  You should have received a copy of the GNU General Public License and
      24  a copy of the GCC Runtime Library Exception along with this program;
      25  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      26  <http://www.gnu.org/licenses/>.  */
      27  
      28  
      29  #if !defined (_SYSTEM_H)
      30  #   define _SYSTEM_H
      31  
      32  #include "config.h"
      33  #include "system.h"
      34  #   ifdef __cplusplus
      35  extern "C" {
      36  #   endif
      37  #   if !defined (PROC_D)
      38  #      define PROC_D
      39         typedef void (*PROC_t) (void);
      40         typedef struct { PROC_t proc; } PROC;
      41  #   endif
      42  
      43  
      44  #   if defined (_SYSTEM_C)
      45  #      define EXTERN
      46  #   else
      47  #      define EXTERN extern
      48  #   endif
      49  
      50  #   define SYSTEM_BITSPERBYTE 8
      51  #   define SYSTEM_BYTESPERWORD 4
      52  
      53  /*
      54     ShiftVal - is a runtime procedure whose job is to implement
      55                the SHIFT procedure of ISO SYSTEM. GNU Modula-2 will
      56                inline a SHIFT of a single WORD sized set and will only
      57                call this routine for larger sets.
      58  */
      59  
      60  EXTERN void SYSTEM_ShiftVal (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, int ShiftCount);
      61  
      62  /*
      63     ShiftLeft - performs the shift left for a multi word set.
      64                 This procedure might be called by the back end of
      65                 GNU Modula-2 depending whether amount is known at
      66                 compile time.
      67  */
      68  
      69  EXTERN void SYSTEM_ShiftLeft (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, unsigned int ShiftCount);
      70  
      71  /*
      72     ShiftRight - performs the shift left for a multi word set.
      73                  This procedure might be called by the back end of
      74                  GNU Modula-2 depending whether amount is known at
      75                  compile time.
      76  */
      77  
      78  EXTERN void SYSTEM_ShiftRight (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, unsigned int ShiftCount);
      79  
      80  /*
      81     RotateVal - is a runtime procedure whose job is to implement
      82                 the ROTATE procedure of ISO SYSTEM. GNU Modula-2 will
      83                 inline a ROTATE of a single WORD (or less)
      84                 sized set and will only call this routine for larger
      85                 sets.
      86  */
      87  
      88  EXTERN void SYSTEM_RotateVal (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, int RotateCount);
      89  
      90  /*
      91     RotateLeft - performs the rotate left for a multi word set.
      92                  This procedure might be called by the back end of
      93                  GNU Modula-2 depending whether amount is known at
      94                  compile time.
      95  */
      96  
      97  EXTERN void SYSTEM_RotateLeft (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, unsigned int RotateCount);
      98  
      99  /*
     100     RotateRight - performs the rotate right for a multi word set.
     101                   This procedure might be called by the back end of
     102                   GNU Modula-2 depending whether amount is known at
     103                   compile time.
     104  */
     105  
     106  EXTERN void SYSTEM_RotateRight (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, unsigned int RotateCount);
     107  #   ifdef __cplusplus
     108  }
     109  #   endif
     110  
     111  #   undef EXTERN
     112  #endif