1  /* do not edit automatically generated by mc from M2RTS.  */
       2  /* M2RTS.def Implements the run time system facilities of Modula-2.
       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 (_M2RTS_H)
      30  #   define _M2RTS_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  #   include "GSYSTEM.h"
      45  
      46  #   if defined (_M2RTS_C)
      47  #      define EXTERN
      48  #   else
      49  #      define EXTERN extern
      50  #   endif
      51  
      52  typedef struct M2RTS_ArgCVEnvP_p M2RTS_ArgCVEnvP;
      53  
      54  typedef void (*M2RTS_ArgCVEnvP_t) (int, void *, void *);
      55  struct M2RTS_ArgCVEnvP_p { M2RTS_ArgCVEnvP_t proc; };
      56  
      57  EXTERN void M2RTS_ConstructModules (void * applicationmodule, void * libname, int argc, void * argv, void * envp);
      58  EXTERN void M2RTS_DeconstructModules (void * applicationmodule, void * libname, int argc, void * argv, void * envp);
      59  
      60  /*
      61     RegisterModule - adds module name to the list of outstanding
      62                      modules which need to have their dependencies
      63                      explored to determine initialization order.
      64  */
      65  
      66  EXTERN void M2RTS_RegisterModule (void * name, void * libname, M2RTS_ArgCVEnvP init, M2RTS_ArgCVEnvP fini, PROC dependencies);
      67  
      68  /*
      69     RequestDependant - used to specify that modulename is dependant upon
      70                        module dependantmodule.
      71  */
      72  
      73  EXTERN void M2RTS_RequestDependant (void * modulename, void * libname, void * dependantmodule, void * dependantlibname);
      74  
      75  /*
      76     InstallTerminationProcedure - installs a procedure, p, which will
      77                                   be called when the procedure
      78                                   ExecuteTerminationProcedures
      79                                   is invoked.  It returns TRUE is the
      80                                   procedure is installed.
      81  */
      82  
      83  EXTERN bool M2RTS_InstallTerminationProcedure (PROC p);
      84  
      85  /*
      86     ExecuteInitialProcedures - executes the initial procedures installed
      87                                by InstallInitialProcedure.
      88  */
      89  
      90  EXTERN void M2RTS_ExecuteInitialProcedures (void);
      91  
      92  /*
      93     InstallInitialProcedure - installs a procedure to be executed just
      94                               before the BEGIN code section of the main
      95                               program module.
      96  */
      97  
      98  EXTERN bool M2RTS_InstallInitialProcedure (PROC p);
      99  
     100  /*
     101     ExecuteTerminationProcedures - calls each installed termination procedure
     102                                    in reverse order.
     103  */
     104  
     105  EXTERN void M2RTS_ExecuteTerminationProcedures (void);
     106  
     107  /*
     108     Terminate - provides compatibility for pim.  It call exit with
     109                 the exitcode provided in a prior call to ExitOnHalt
     110                 (or zero if ExitOnHalt was never called).  It does
     111                 not call ExecuteTerminationProcedures.
     112  */
     113  
     114  EXTERN void M2RTS_Terminate (void) __attribute__ ((noreturn));
     115  
     116  /*
     117     HALT - terminate the current program.  The procedure Terminate
     118            is called before the program is stopped.  The parameter
     119            exitcode is optional.  If the parameter is not supplied
     120            HALT will call libc 'abort', otherwise it will exit with
     121            the code supplied.  Supplying a parameter to HALT has the
     122            same effect as calling ExitOnHalt with the same code and
     123            then calling HALT with no parameter.
     124  */
     125  
     126  EXTERN void M2RTS_HALT (int exitcode) __attribute__ ((noreturn));
     127  
     128  /*
     129     Halt - provides a more user friendly version of HALT, which takes
     130             four parameters to aid debugging.  It writes an error message
     131             to stderr and calls exit (1).
     132  */
     133  
     134  EXTERN void M2RTS_Halt (const char *description_, unsigned int _description_high, const char *filename_, unsigned int _filename_high, const char *function_, unsigned int _function_high, unsigned int line) __attribute__ ((noreturn));
     135  
     136  /*
     137     HaltC - provides a more user friendly version of HALT, which takes
     138             four parameters to aid debugging.  It writes an error message
     139             to stderr and calls exit (1).
     140  */
     141  
     142  EXTERN void M2RTS_HaltC (void * description, void * filename, void * function, unsigned int line) __attribute__ ((noreturn));
     143  
     144  /*
     145     ExitOnHalt - if HALT is executed then call exit with the exit code, e.
     146  */
     147  
     148  EXTERN void M2RTS_ExitOnHalt (int e);
     149  
     150  /*
     151     ErrorMessage - emits an error message to stderr and then calls exit (1).
     152  */
     153  
     154  EXTERN void M2RTS_ErrorMessage (const char *message_, unsigned int _message_high, const char *filename_, unsigned int _filename_high, unsigned int line, const char *function_, unsigned int _function_high) __attribute__ ((noreturn));
     155  
     156  /*
     157     Length - returns the length of a string, a. This is called whenever
     158              the user calls LENGTH and the parameter cannot be calculated
     159              at compile time.
     160  */
     161  
     162  EXTERN unsigned int M2RTS_Length (const char *a_, unsigned int _a_high);
     163  EXTERN void M2RTS_AssignmentException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     164  EXTERN void M2RTS_ReturnException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     165  EXTERN void M2RTS_IncException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     166  EXTERN void M2RTS_DecException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     167  EXTERN void M2RTS_InclException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     168  EXTERN void M2RTS_ExclException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     169  EXTERN void M2RTS_ShiftException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     170  EXTERN void M2RTS_RotateException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     171  EXTERN void M2RTS_StaticArraySubscriptException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     172  EXTERN void M2RTS_DynamicArraySubscriptException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     173  EXTERN void M2RTS_ForLoopBeginException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     174  EXTERN void M2RTS_ForLoopToException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     175  EXTERN void M2RTS_ForLoopEndException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     176  EXTERN void M2RTS_PointerNilException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     177  EXTERN void M2RTS_NoReturnException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     178  EXTERN void M2RTS_CaseException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     179  EXTERN void M2RTS_WholeNonPosDivException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     180  EXTERN void M2RTS_WholeNonPosModException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     181  EXTERN void M2RTS_WholeZeroDivException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     182  EXTERN void M2RTS_WholeZeroRemException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     183  EXTERN void M2RTS_WholeValueException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     184  EXTERN void M2RTS_RealValueException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     185  EXTERN void M2RTS_ParameterException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     186  EXTERN void M2RTS_NoException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) __attribute__ ((noreturn));
     187  #   ifdef __cplusplus
     188  }
     189  #   endif
     190  
     191  #   undef EXTERN
     192  #endif