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  #include <stdbool.h>
      38  #   if !defined (PROC_D)
      39  #      define PROC_D
      40         typedef void (*PROC_t) (void);
      41         typedef struct { PROC_t proc; } PROC;
      42  #   endif
      43  
      44  
      45  #   if defined (_SYSTEM_C)
      46  #      define EXTERN
      47  #   else
      48  #      define EXTERN extern
      49  #   endif
      50  
      51  #   define SYSTEM_BITSPERBYTE 8
      52  #   define SYSTEM_BYTESPERWORD 4
      53  
      54  /*
      55     ShiftVal - is a runtime procedure whose job is to implement
      56                the SHIFT procedure of ISO SYSTEM. GNU Modula-2 will
      57                inline a SHIFT of a single WORD sized set and will only
      58                call this routine for larger sets.
      59  */
      60  
      61  EXTERN void SYSTEM_ShiftVal (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, int ShiftCount);
      62  
      63  /*
      64     ShiftLeft - performs the shift left for a multi word set.
      65                 This procedure might be called by the back end of
      66                 GNU Modula-2 depending whether amount is known at
      67                 compile time.
      68  */
      69  
      70  EXTERN void SYSTEM_ShiftLeft (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, unsigned int ShiftCount);
      71  
      72  /*
      73     ShiftRight - performs the shift left for a multi word set.
      74                  This procedure might be called by the back end of
      75                  GNU Modula-2 depending whether amount is known at
      76                  compile time.
      77  */
      78  
      79  EXTERN void SYSTEM_ShiftRight (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, unsigned int ShiftCount);
      80  
      81  /*
      82     RotateVal - is a runtime procedure whose job is to implement
      83                 the ROTATE procedure of ISO SYSTEM. GNU Modula-2 will
      84                 inline a ROTATE of a single WORD (or less)
      85                 sized set and will only call this routine for larger
      86                 sets.
      87  */
      88  
      89  EXTERN void SYSTEM_RotateVal (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, int RotateCount);
      90  
      91  /*
      92     RotateLeft - performs the rotate left for a multi word set.
      93                  This procedure might be called by the back end of
      94                  GNU Modula-2 depending whether amount is known at
      95                  compile time.
      96  */
      97  
      98  EXTERN void SYSTEM_RotateLeft (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, unsigned int RotateCount);
      99  
     100  /*
     101     RotateRight - performs the rotate right for a multi word set.
     102                   This procedure might be called by the back end of
     103                   GNU Modula-2 depending whether amount is known at
     104                   compile time.
     105  */
     106  
     107  EXTERN void SYSTEM_RotateRight (unsigned int *s, unsigned int _s_high, unsigned int *d, unsigned int _d_high, unsigned int SetSizeInBits, unsigned int RotateCount);
     108  #   ifdef __cplusplus
     109  }
     110  #   endif
     111  
     112  #   undef EXTERN
     113  #endif