1 /* Copyright (C) 2002-2018 Free Software Foundation, Inc.
2 Contributed by Andy Vaught and Paul Brook <paul@nowt.org>
4 This file is part of the GNU Fortran runtime library (libgfortran).
6 Libgfortran is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 Libgfortran is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 Under Section 7 of GPL version 3, you are granted additional
17 permissions described in the GCC Runtime Library Exception, version
18 3.1, as published by the Free Software Foundation.
20 You should have received a copy of the GNU General Public License and
21 a copy of the GCC Runtime Library Exception along with this program;
22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 <http://www.gnu.org/licenses/>. */
25 #include "libgfortran.h"
33 /* Stupid function to be sure the constructor is always linked in, even
34 in the case of static linking. See PR libfortran/22298 for details. */
36 stupid_function_name_for_static_linking (void)
44 static char **argv_save
;
46 /* recursion_check()-- It's possible for additional errors to occur
47 * during fatal error processing. We detect this condition here and
48 * exit with code 4 immediately. */
50 #define MAGIC 0x20DE8101
53 recursion_check (void)
57 /* Don't even try to print something at this point */
65 /* os_error()-- Operating system error. We get a message from the
66 * operating system, show it and leave. Some operating system errors
67 * are caught and processed by the library. If not, we come here. */
70 os_error (const char *message
)
73 printf ("Operating system error: ");
74 printf ("%s\n", message
);
80 /* void runtime_error()-- These are errors associated with an
81 * invalid fortran program. */
84 runtime_error (const char *message
, ...)
89 printf ("Fortran runtime error: ");
90 va_start (ap
, message
);
91 vprintf (message
, ap
);
96 iexport(runtime_error
);
98 /* void runtime_error_at()-- These are errors associated with a
99 * run time error generated by the front end compiler. */
102 runtime_error_at (const char *where
, const char *message
, ...)
107 printf ("%s", where
);
108 printf ("\nFortran runtime error: ");
109 va_start (ap
, message
);
110 vprintf (message
, ap
);
115 iexport(runtime_error_at
);
119 runtime_warning_at (const char *where
, const char *message
, ...)
123 printf ("%s", where
);
124 printf ("\nFortran runtime warning: ");
125 va_start (ap
, message
);
126 vprintf (message
, ap
);
130 iexport(runtime_warning_at
);
133 /* void internal_error()-- These are this-can't-happen errors
134 * that indicate something deeply wrong. */
137 internal_error (st_parameter_common
*cmp
, const char *message
)
140 printf ("Internal Error: ");
141 printf ("%s", message
);
144 /* This function call is here to get the main.o object file included
145 when linking statically. This works because error.o is supposed to
146 be always linked in (and the function call is in internal_error
147 because hopefully it doesn't happen too often). */
148 stupid_function_name_for_static_linking();
154 /* Set the saved values of the command line arguments. */
157 set_args (int argc
, char **argv
)
165 /* Retrieve the saved values of the command line arguments. */
168 get_args (int *argc
, char ***argv
)
174 /* sys_abort()-- Terminate the program showing backtrace and dumping
180 /* If backtracing is enabled, print backtrace and disable signal
182 if (options
.backtrace
== 1
183 || (options
.backtrace
== -1 && compile_options
.backtrace
== 1))
185 printf ("\nProgram aborted.\n");