gcc/m2/pge-boot/GSYSTEM.h

   1 /* do not edit automatically generated by mc from SYSTEM.  */
   2 /* SYSTEM.def provides access to the SYSTEM dependent module.
   3
   4 Copyright (C) 2001-2024 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