868d75dbdc
* gfortran.h (gfc_option_t): Add flag_backtrace field. * lang.opt: Add -fbacktrace option. * invoke.texi: Document the new option. * trans-decl.c (gfc_build_builtin_function_decls): Add new option to the call to set_std. * options.c (gfc_init_options, gfc_handle_option): Handle the new option. * runtime/backtrace.c: New file. * runtime/environ.c (variable_table): New GFORTRAN_ERROR_BACKTRACE environment variable. * runtime/compile_options.c (set_std): Add new argument. * runtime/main.c (store_exe_path, full_exe_path): New functions. * runtime/error.c (sys_exit): Add call to show_backtrace. * libgfortran.h (options_t): New backtrace field. (store_exe_path, full_exe_path, show_backtrace): New prototypes. * configure.ac: Add checks for execinfo.h, execvp, pipe, dup2, close, fdopen, strcasestr, getrlimit, backtrace, backtrace_symbols and getppid. * Makefile.am: Add runtime/backtrace.c. * fmain.c (main): Add call to store_exe_path. * Makefile.in: Renegerate. * config.h.in: Renegerate. * configure: Regenerate. From-SVN: r122954
121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/* Handling of compile-time options that influence the library.
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with libgfortran; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "config.h"
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#include "libgfortran.h"
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/* Useful compile-time options will be stored in here. */
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compile_options_t compile_options;
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/* Prototypes */
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extern void set_std (GFC_INTEGER_4, GFC_INTEGER_4, GFC_INTEGER_4,
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GFC_INTEGER_4, GFC_INTEGER_4);
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export_proto(set_std);
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void
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set_std (GFC_INTEGER_4 warn_std, GFC_INTEGER_4 allow_std,
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GFC_INTEGER_4 pedantic, GFC_INTEGER_4 dump_core,
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GFC_INTEGER_4 backtrace)
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{
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compile_options.pedantic = pedantic;
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compile_options.warn_std = warn_std;
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compile_options.allow_std = allow_std;
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compile_options.dump_core = dump_core;
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compile_options.backtrace = backtrace;
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}
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/* Default values for the compile-time options. Keep in sync with
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gcc/fortran/options.c (gfc_init_options). */
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void
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init_compile_options (void)
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{
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compile_options.warn_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL
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| GFC_STD_F2003 | GFC_STD_LEGACY;
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compile_options.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL
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| GFC_STD_F2003 | GFC_STD_F95 | GFC_STD_F77 | GFC_STD_GNU | GFC_STD_LEGACY;
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compile_options.pedantic = 0;
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compile_options.dump_core = 0;
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compile_options.backtrace = 0;
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}
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/* Function called by the front-end to tell us the
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default for unformatted data conversion. */
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extern void set_convert (int);
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export_proto (set_convert);
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void
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set_convert (int conv)
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{
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compile_options.convert = conv;
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}
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extern void set_record_marker (int);
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export_proto (set_record_marker);
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void
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set_record_marker (int val)
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{
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switch(val)
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{
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case 4:
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compile_options.record_marker = sizeof (GFC_INTEGER_4);
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break;
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case 8:
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compile_options.record_marker = sizeof (GFC_INTEGER_8);
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break;
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default:
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runtime_error ("Invalid value for record marker");
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break;
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}
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}
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extern void set_max_subrecord_length (int);
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export_proto (set_max_subrecord_length);
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void set_max_subrecord_length(int val)
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{
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if (val > GFC_MAX_SUBRECORD_LENGTH || val < 1)
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{
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runtime_error ("Invalid value for maximum subrecord length");
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return;
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}
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compile_options.max_subrecord_length = val;
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}
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