/* do not edit automatically generated by mc from M2RTS. */ /* M2RTS.mod Implements the run time system facilities of Modula-2. Copyright (C) 2001-2024 Free Software Foundation, Inc. Contributed by Gaius Mulley . This file is part of GNU Modula-2. GNU Modula-2 is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GNU Modula-2 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 General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see . */ #include # if !defined (PROC_D) # define PROC_D typedef void (*PROC_t) (void); typedef struct { PROC_t proc; } PROC; # endif # if !defined (TRUE) # define TRUE (1==1) # endif # if !defined (FALSE) # define FALSE (1==0) # endif #include #include #include #include #define _M2RTS_H #define _M2RTS_C # include "Glibc.h" # include "GNumberIO.h" # include "GStrLib.h" # include "GSYSTEM.h" # include "GASCII.h" # include "GStorage.h" # include "GRTExceptions.h" # include "GM2EXCEPTION.h" # include "GM2Dependent.h" typedef struct M2RTS_ArgCVEnvP_p M2RTS_ArgCVEnvP; # define stderrFd 2 typedef char *M2RTS_PtrToChar; typedef void (*M2RTS_ArgCVEnvP_t) (int, void *, void *); struct M2RTS_ArgCVEnvP_p { M2RTS_ArgCVEnvP_t proc; }; static int ExitValue; static bool isHalting; static bool CallExit; static bool Initialized; /* ConstructModules - resolve dependencies and then call each module constructor in turn. */ extern "C" void M2RTS_ConstructModules (void * applicationmodule, void * libname, void * overrideliborder, int argc, void * argv, void * envp); /* DeconstructModules - resolve dependencies and then call each module constructor in turn. */ extern "C" void M2RTS_DeconstructModules (void * applicationmodule, void * libname, int argc, void * argv, void * envp); /* RegisterModule - adds module name to the list of outstanding modules which need to have their dependencies explored to determine initialization order. */ extern "C" void M2RTS_RegisterModule (void * name, void * libname, M2RTS_ArgCVEnvP init, M2RTS_ArgCVEnvP fini, PROC dependencies); /* RequestDependant - used to specify that modulename is dependant upon module dependantmodule. */ extern "C" void M2RTS_RequestDependant (void * modulename, void * libname, void * dependantmodule, void * dependantlibname); /* InstallTerminationProcedure - installs a procedure, p, which will be called when the procedure ExecuteTerminationProcedures is invoked. It returns TRUE if the procedure is installed. */ extern "C" bool M2RTS_InstallTerminationProcedure (PROC p); /* ExecuteInitialProcedures - executes the initial procedures installed by InstallInitialProcedure. */ extern "C" void M2RTS_ExecuteInitialProcedures (void); /* InstallInitialProcedure - installs a procedure to be executed just before the BEGIN code section of the main program module. */ extern "C" bool M2RTS_InstallInitialProcedure (PROC p); /* ExecuteTerminationProcedures - calls each installed termination procedure in reverse order. */ extern "C" void M2RTS_ExecuteTerminationProcedures (void); /* Terminate - provides compatibility for pim. It calls exit with the exitcode provided in a prior call to ExitOnHalt (or zero if ExitOnHalt was never called). It does not call ExecuteTerminationProcedures. */ extern "C" void M2RTS_Terminate (void); /* HALT - terminate the current program. The procedure ExecuteTerminationProcedures is called before the program is stopped. The parameter exitcode is optional. If the parameter is not supplied HALT will call libc 'abort', otherwise it will exit with the code supplied. Supplying a parameter to HALT has the same effect as calling ExitOnHalt with the same code and then calling HALT with no parameter. */ extern "C" void M2RTS_HALT (int exitcode); /* Halt - provides a more user friendly version of HALT, which takes four parameters to aid debugging. It writes an error message to stderr and calls exit (1). */ extern "C" 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); /* HaltC - provides a more user friendly version of HALT, which takes four parameters to aid debugging. It writes an error message to stderr and calls exit (1). */ extern "C" void M2RTS_HaltC (void * description, void * filename, void * function, unsigned int line); /* ExitOnHalt - if HALT is executed then call exit with the exit code, e. */ extern "C" void M2RTS_ExitOnHalt (int e); /* ErrorMessage - emits an error message to stderr and then calls exit (1). */ extern "C" 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); /* Length - returns the length of a string, a. This is called whenever the user calls LENGTH and the parameter cannot be calculated at compile time. */ extern "C" unsigned int M2RTS_Length (const char *a_, unsigned int _a_high); extern "C" void M2RTS_AssignmentException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_ReturnException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_IncException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_DecException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_InclException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_ExclException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_ShiftException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_RotateException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_StaticArraySubscriptException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_DynamicArraySubscriptException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_ForLoopBeginException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_ForLoopToException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_ForLoopEndException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_PointerNilException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_NoReturnException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_CaseException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_WholeNonPosDivException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_WholeNonPosModException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_WholeZeroDivException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_WholeZeroRemException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_WholeValueException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_RealValueException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_ParameterException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); extern "C" void M2RTS_NoException (void * filename, unsigned int line, unsigned int column, void * scope, void * message); /* ErrorString - writes a string to stderr. */ static void ErrorString (const char *a_, unsigned int _a_high); /* ErrorStringC - writes a string to stderr. */ static void ErrorStringC (void * str); /* ErrorMessageC - emits an error message to stderr and then calls exit (1). */ static void ErrorMessageC (void * message, void * filename, unsigned int line, void * function); /* Init - initialize the initial, terminate procedure lists and booleans. */ static void Init (void); /* CheckInitialized - checks to see if this module has been initialized and if it has not it calls Init. We need this approach as this module is called by module ctors before we reach main. */ static void CheckInitialized (void); /* ErrorString - writes a string to stderr. */ static void ErrorString (const char *a_, unsigned int _a_high) { int n; char a[_a_high+1]; /* make a local copy of each unbounded array. */ memcpy (a, a_, _a_high+1); n = static_cast (libc_write (stderrFd, &a, static_cast (StrLib_StrLen ((const char *) a, _a_high)))); } /* ErrorStringC - writes a string to stderr. */ static void ErrorStringC (void * str) { int len; len = static_cast (libc_write (stderrFd, str, libc_strlen (str))); } /* ErrorMessageC - emits an error message to stderr and then calls exit (1). */ static void ErrorMessageC (void * message, void * filename, unsigned int line, void * function) { typedef struct ErrorMessageC__T1_a ErrorMessageC__T1; struct ErrorMessageC__T1_a { char array[10+1]; }; ErrorMessageC__T1 buffer; ErrorStringC (filename); ErrorString ((const char *) ":", 1); NumberIO_CardToStr (line, 0, (char *) &buffer.array[0], 10); ErrorString ((const char *) &buffer.array[0], 10); ErrorString ((const char *) ":", 1); if ((libc_strlen (function)) > 0) { ErrorString ((const char *) "in ", 3); ErrorStringC (function); ErrorString ((const char *) " has caused ", 12); } ErrorStringC (message); buffer.array[0] = ASCII_nl; buffer.array[1] = ASCII_nul; ErrorString ((const char *) &buffer.array[0], 10); libc_exit (1); } /* Init - initialize the initial, terminate procedure lists and booleans. */ static void Init (void) { ExitValue = 0; isHalting = false; CallExit = false; /* default by calling abort */ } /* CheckInitialized - checks to see if this module has been initialized and if it has not it calls Init. We need this approach as this module is called by module ctors before we reach main. */ static void CheckInitialized (void) { if (! Initialized) { Initialized = true; Init (); } } /* ConstructModules - resolve dependencies and then call each module constructor in turn. */ extern "C" void M2RTS_ConstructModules (void * applicationmodule, void * libname, void * overrideliborder, int argc, void * argv, void * envp) { M2Dependent_ConstructModules (applicationmodule, libname, overrideliborder, argc, argv, envp); } /* DeconstructModules - resolve dependencies and then call each module constructor in turn. */ extern "C" void M2RTS_DeconstructModules (void * applicationmodule, void * libname, int argc, void * argv, void * envp) { M2Dependent_DeconstructModules (applicationmodule, libname, argc, argv, envp); } /* RegisterModule - adds module name to the list of outstanding modules which need to have their dependencies explored to determine initialization order. */ extern "C" void M2RTS_RegisterModule (void * name, void * libname, M2RTS_ArgCVEnvP init, M2RTS_ArgCVEnvP fini, PROC dependencies) { M2Dependent_RegisterModule (name, libname, (M2Dependent_ArgCVEnvP) {(M2Dependent_ArgCVEnvP_t) init.proc}, (M2Dependent_ArgCVEnvP) {(M2Dependent_ArgCVEnvP_t) fini.proc}, dependencies); } /* RequestDependant - used to specify that modulename is dependant upon module dependantmodule. */ extern "C" void M2RTS_RequestDependant (void * modulename, void * libname, void * dependantmodule, void * dependantlibname) { M2Dependent_RequestDependant (modulename, libname, dependantmodule, dependantlibname); } /* InstallTerminationProcedure - installs a procedure, p, which will be called when the procedure ExecuteTerminationProcedures is invoked. It returns TRUE if the procedure is installed. */ extern "C" bool M2RTS_InstallTerminationProcedure (PROC p) { return M2Dependent_InstallTerminationProcedure (p); /* static analysis guarentees a RETURN statement will be used before here. */ __builtin_unreachable (); } /* ExecuteInitialProcedures - executes the initial procedures installed by InstallInitialProcedure. */ extern "C" void M2RTS_ExecuteInitialProcedures (void) { M2Dependent_ExecuteInitialProcedures (); } /* InstallInitialProcedure - installs a procedure to be executed just before the BEGIN code section of the main program module. */ extern "C" bool M2RTS_InstallInitialProcedure (PROC p) { return M2Dependent_InstallInitialProcedure (p); /* static analysis guarentees a RETURN statement will be used before here. */ __builtin_unreachable (); } /* ExecuteTerminationProcedures - calls each installed termination procedure in reverse order. */ extern "C" void M2RTS_ExecuteTerminationProcedures (void) { M2Dependent_ExecuteTerminationProcedures (); } /* Terminate - provides compatibility for pim. It calls exit with the exitcode provided in a prior call to ExitOnHalt (or zero if ExitOnHalt was never called). It does not call ExecuteTerminationProcedures. */ extern "C" void M2RTS_Terminate (void) { libc_exit (ExitValue); } /* HALT - terminate the current program. The procedure ExecuteTerminationProcedures is called before the program is stopped. The parameter exitcode is optional. If the parameter is not supplied HALT will call libc 'abort', otherwise it will exit with the code supplied. Supplying a parameter to HALT has the same effect as calling ExitOnHalt with the same code and then calling HALT with no parameter. */ extern "C" void M2RTS_HALT (int exitcode) { if (exitcode != -1) { CallExit = true; ExitValue = exitcode; } if (isHalting) { /* double HALT found */ libc_exit (-1); } else { isHalting = true; M2RTS_ExecuteTerminationProcedures (); } if (CallExit) { libc_exit (ExitValue); } else { libc_abort (); } } /* Halt - provides a more user friendly version of HALT, which takes four parameters to aid debugging. It writes an error message to stderr and calls exit (1). */ extern "C" 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) { char description[_description_high+1]; char filename[_filename_high+1]; char function[_function_high+1]; /* make a local copy of each unbounded array. */ memcpy (description, description_, _description_high+1); memcpy (filename, filename_, _filename_high+1); memcpy (function, function_, _function_high+1); M2RTS_ErrorMessage ((const char *) description, _description_high, (const char *) filename, _filename_high, line, (const char *) function, _function_high); } /* HaltC - provides a more user friendly version of HALT, which takes four parameters to aid debugging. It writes an error message to stderr and calls exit (1). */ extern "C" void M2RTS_HaltC (void * description, void * filename, void * function, unsigned int line) { ErrorMessageC (description, filename, line, function); } /* ExitOnHalt - if HALT is executed then call exit with the exit code, e. */ extern "C" void M2RTS_ExitOnHalt (int e) { ExitValue = e; CallExit = true; } /* ErrorMessage - emits an error message to stderr and then calls exit (1). */ extern "C" 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) { typedef struct ErrorMessage__T2_a ErrorMessage__T2; struct ErrorMessage__T2_a { char array[10+1]; }; ErrorMessage__T2 buffer; char message[_message_high+1]; char filename[_filename_high+1]; char function[_function_high+1]; /* make a local copy of each unbounded array. */ memcpy (message, message_, _message_high+1); memcpy (filename, filename_, _filename_high+1); memcpy (function, function_, _function_high+1); ErrorString ((const char *) filename, _filename_high); ErrorString ((const char *) ":", 1); NumberIO_CardToStr (line, 0, (char *) &buffer.array[0], 10); ErrorString ((const char *) &buffer.array[0], 10); ErrorString ((const char *) ":", 1); if (! (StrLib_StrEqual ((const char *) function, _function_high, (const char *) "", 0))) { ErrorString ((const char *) "in ", 3); ErrorString ((const char *) function, _function_high); ErrorString ((const char *) " has caused ", 12); } ErrorString ((const char *) message, _message_high); buffer.array[0] = ASCII_nl; buffer.array[1] = ASCII_nul; ErrorString ((const char *) &buffer.array[0], 10); libc_exit (1); } /* Length - returns the length of a string, a. This is called whenever the user calls LENGTH and the parameter cannot be calculated at compile time. */ extern "C" unsigned int M2RTS_Length (const char *a_, unsigned int _a_high) { unsigned int l; unsigned int h; char a[_a_high+1]; /* make a local copy of each unbounded array. */ memcpy (a, a_, _a_high+1); l = 0; h = _a_high; while ((l <= h) && (a[l] != ASCII_nul)) { l += 1; } return l; /* static analysis guarentees a RETURN statement will be used before here. */ __builtin_unreachable (); } extern "C" void M2RTS_AssignmentException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { /* The following are the runtime exception handler routines. */ RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_ReturnException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_IncException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_DecException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_InclException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_ExclException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_ShiftException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_RotateException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_StaticArraySubscriptException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_indexException)), filename, line, column, scope, message); } extern "C" void M2RTS_DynamicArraySubscriptException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_indexException)), filename, line, column, scope, message); } extern "C" void M2RTS_ForLoopBeginException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_ForLoopToException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_ForLoopEndException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_PointerNilException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_invalidLocation)), filename, line, column, scope, message); } extern "C" void M2RTS_NoReturnException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_functionException)), filename, line, column, scope, message); } extern "C" void M2RTS_CaseException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_caseSelectException)), filename, line, column, scope, message); } extern "C" void M2RTS_WholeNonPosDivException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_wholeDivException)), filename, line, column, scope, message); } extern "C" void M2RTS_WholeNonPosModException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_wholeDivException)), filename, line, column, scope, message); } extern "C" void M2RTS_WholeZeroDivException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_wholeDivException)), filename, line, column, scope, message); } extern "C" void M2RTS_WholeZeroRemException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_wholeDivException)), filename, line, column, scope, message); } extern "C" void M2RTS_WholeValueException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_wholeValueException)), filename, line, column, scope, message); } extern "C" void M2RTS_RealValueException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_realValueException)), filename, line, column, scope, message); } extern "C" void M2RTS_ParameterException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_rangeException)), filename, line, column, scope, message); } extern "C" void M2RTS_NoException (void * filename, unsigned int line, unsigned int column, void * scope, void * message) { RTExceptions_Raise ( ((unsigned int) (M2EXCEPTION_exException)), filename, line, column, scope, message); } extern "C" void _M2_M2RTS_init (__attribute__((unused)) int argc,__attribute__((unused)) char *argv[],__attribute__((unused)) char *envp[]) { CheckInitialized (); } extern "C" void _M2_M2RTS_fini (__attribute__((unused)) int argc,__attribute__((unused)) char *argv[],__attribute__((unused)) char *envp[]) { }