388 lines
9.3 KiB
C
388 lines
9.3 KiB
C
/****************************************************************************
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* *
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* GNAT COMPILER TOOLS *
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* *
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* G N A T B L *
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* *
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* C Implementation File *
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* *
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* Copyright (C) 1992-2007, Free Software Foundation, Inc. *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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* ware Foundation; either version 3, or (at your option) any later ver- *
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* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
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* for more details. You should have received a copy of the GNU General *
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* Public License distributed with GNAT; see file COPYING3. If not, go to *
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* http://www.gnu.org/licenses for a complete copy of the license. *
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* *
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* *
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* GNAT was originally developed by the GNAT team at New York University. *
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* Extensive contributions were provided by Ada Core Technologies Inc. *
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* *
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****************************************************************************/
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#ifdef VMS
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#define _POSIX_EXIT 1
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#endif
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#include "config.h"
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#include "system.h"
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#if defined (__EMX__) || defined (MSDOS)
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#include <process.h>
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#endif
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#include "adaint.h"
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/* These can be set by command line arguments */
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char *binder_path = 0;
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char *linker_path = 0;
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char *exec_file_name = 0;
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char *ali_file_name = 0;
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#define BIND_ARG_MAX 512
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char *bind_args[BIND_ARG_MAX];
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int bind_arg_index = -1;
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#ifdef MSDOS
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char *coff2exe_path = 0;
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char *coff2exe_args[] = {(char *) 0, (char *) 0};
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char *del_command = 0;
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#endif
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int verbose = 0;
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int o_present = 0;
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int g_present = 0;
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int link_arg_max = -1;
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char **link_args = (char **) 0;
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int link_arg_index = -1;
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char *gcc_B_arg = 0;
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#ifndef DIR_SEPARATOR
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#if defined (__EMX__)
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#define DIR_SEPARATOR '\\'
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#else
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#define DIR_SEPARATOR '/'
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#endif
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#endif
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static int linkonly = 0;
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static void addarg (char *);
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static void process_args (int *, char *[]);
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static void
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addarg (char *str)
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{
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int i;
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if (++link_arg_index >= link_arg_max)
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{
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char **new_link_args
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= (char **) xcalloc (link_arg_max + 1000, sizeof (char *));
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for (i = 0; i <= link_arg_max; i++)
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new_link_args[i] = link_args[i];
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if (link_args)
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free (link_args);
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link_arg_max += 1000;
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link_args = new_link_args;
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}
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link_args[link_arg_index] = str;
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}
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static void
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process_args (int *p_argc, char *argv[])
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{
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int i, j;
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for (i = 1; i < *p_argc; i++)
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{
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/* -I is passed on to gnatbind */
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if (! strncmp( argv[i], "-I", 2))
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{
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bind_arg_index += 1;
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if (bind_arg_index >= BIND_ARG_MAX)
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{
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fprintf (stderr, "Too many arguments to gnatbind\n");
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exit (-1);
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}
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bind_args[bind_arg_index] = argv[i];
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}
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/* -B is passed on to gcc */
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if (! strncmp (argv[i], "-B", 2))
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gcc_B_arg = argv[i];
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/* -v turns on verbose option here and is passed on to gcc */
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if (! strcmp (argv[i], "-v"))
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verbose = 1;
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if (! strcmp (argv[i], "-o"))
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{
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o_present = 1;
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exec_file_name = argv[i + 1];
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}
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if (! strcmp (argv[i], "-g"))
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g_present = 1;
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if (! strcmp (argv[i], "-gnatbind"))
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{
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/* Explicit naming of binder. Grab the value then remove the
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two arguments from the argument list. */
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if ( i + 1 >= *p_argc )
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{
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fprintf (stderr, "Missing argument for -gnatbind\n");
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exit (1);
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}
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binder_path = __gnat_locate_exec (argv[i + 1], (char *) ".");
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if (!binder_path)
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{
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fprintf (stderr, "Could not locate binder: %s\n", argv[i + 1]);
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exit (1);
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}
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for (j = i + 2; j < *p_argc; j++)
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argv[j - 2] = argv[j];
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(*p_argc) -= 2;
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i--;
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}
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else if (! strcmp (argv[i], "-linkonly"))
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{
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/* Don't call the binder. Set the flag and then remove the
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argument from the argument list. */
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linkonly = 1;
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for (j = i + 1; j < *p_argc; j++)
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argv[j - 1] = argv[j];
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*p_argc -= 1;
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i--;
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}
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else if (! strcmp (argv[i], "-gnatlink"))
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{
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/* Explicit naming of binder. Grab the value then remove the
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two arguments from the argument list. */
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if (i + 1 >= *p_argc)
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{
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fprintf (stderr, "Missing argument for -gnatlink\n");
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exit (1);
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}
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linker_path = __gnat_locate_exec (argv[i + 1], (char *) ".");
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if (!linker_path)
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{
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fprintf (stderr, "Could not locate linker: %s\n", argv[i + 1]);
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exit (1);
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}
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for (j = i + 2; j < *p_argc; j++)
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argv[j - 2] = argv[j];
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*p_argc -= 2;
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i--;
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}
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}
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}
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extern int main (int, char **);
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int
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main (int argc, char **argv)
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{
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int i, j;
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int done_an_ali = 0;
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int retcode;
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#ifdef VMS
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/* Warning: getenv only retrieves the first directory in VAXC$PATH */
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char *pathval =
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xstrdup (__gnat_to_canonical_dir_spec (getenv ("VAXC$PATH"), 0));
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#else
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char *pathval = getenv ("PATH");
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#endif
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char *spawn_args[5];
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int spawn_index = 0;
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#if defined (__EMX__) || defined(MSDOS)
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char *tmppathval = malloc (strlen (pathval) + 3);
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strcpy (tmppathval, ".;");
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pathval = strcat (tmppathval, pathval);
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#endif
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process_args (&argc , argv);
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if (argc == 1)
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{
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fprintf
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(stdout,
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"Usage: %s 'name'.ali\n", argv[0]);
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fprintf
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(stdout,
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" [-o exec_name] -- by default it is 'name'\n");
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fprintf
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(stdout,
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" [-v] -- verbose mode\n");
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fprintf
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(stdout,
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" [-linkonly] -- doesn't call binder\n");
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fprintf
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(stdout,
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" [-gnatbind name] -- full name for gnatbind\n");
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fprintf
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(stdout,
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" [-gnatlink name] -- full name for linker (gcc)\n");
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fprintf
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(stdout,
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" [list of objects] -- non Ada binaries\n");
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fprintf
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(stdout,
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" [linker options] -- other options for linker\n");
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exit (1);
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}
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if (!binder_path && !linkonly)
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binder_path = __gnat_locate_exec ((char *) "gnatbind", pathval);
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if (!binder_path && !linkonly)
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{
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fprintf (stderr, "Couldn't locate gnatbind\n");
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exit (1);
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}
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if (!linker_path)
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linker_path = __gnat_locate_exec ((char *) "gnatlink", pathval);
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if (!linker_path)
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{
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fprintf (stderr, "Couldn't locate gnatlink\n");
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exit (1);
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}
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#ifdef MSDOS
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coff2exe_path = __gnat_locate_regular_file ("coff2exe.bat", pathval);
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if (!coff2exe_path)
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{
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fprintf (stderr, "Couldn't locate %s\n", "coff2exe.bat");
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exit (1);
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}
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else
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coff2exe_args[0] = coff2exe_path;
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#endif
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addarg (linker_path);
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for (i = 1; i < argc; i++)
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{
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int arg_len = strlen (argv[i]);
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if (arg_len > 4 && ! strcmp (&argv[i][arg_len - 4], ".ali"))
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{
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if (done_an_ali)
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{
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fprintf (stderr,
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"Sorry - cannot handle more than one ALI file\n");
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exit (1);
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}
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done_an_ali = 1;
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if (__gnat_is_regular_file (argv[i]))
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{
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ali_file_name = argv[i];
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if (!linkonly)
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{
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/* Run gnatbind */
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spawn_index = 0;
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spawn_args[spawn_index++] = binder_path;
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spawn_args[spawn_index++] = ali_file_name;
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for (j = 0 ; j <= bind_arg_index ; j++ )
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spawn_args[spawn_index++] = bind_args[j];
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spawn_args[spawn_index] = 0;
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if (verbose)
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{
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int i;
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for (i = 0; i < 2; i++)
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printf ("%s ", spawn_args[i]);
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putchar ('\n');
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}
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retcode = __gnat_portable_spawn (spawn_args);
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if (retcode != 0)
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exit (retcode);
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}
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}
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else
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addarg (argv[i]);
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}
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#ifdef MSDOS
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else if (!strcmp (argv[i], "-o"))
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{
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addarg (argv[i]);
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if (i < argc)
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i++;
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{
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char *ptr = strstr (argv[i], ".exe");
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arg_len = strlen (argv[i]);
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coff2exe_args[1] = malloc (arg_len + 1);
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strcpy (coff2exe_args[1], argv[i]);
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if (ptr != NULL && strlen (ptr) == 4)
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coff2exe_args[1][arg_len-4] = 0;
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addarg (coff2exe_args[1]);
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}
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}
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#endif
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else
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addarg (argv[i]);
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}
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if (! done_an_ali)
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{
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fprintf (stderr, "No \".ali\" file specified\n");
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exit (1);
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}
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addarg (ali_file_name);
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addarg (NULL);
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if (verbose)
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{
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int i;
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for (i = 0; i < link_arg_index; i++)
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printf ("%s ", link_args[i]);
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putchar ('\n');
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}
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retcode = __gnat_portable_spawn (link_args);
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if (retcode != 0)
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exit (retcode);
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#ifdef MSDOS
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retcode = __gnat_portable_spawn (coff2exe_args);
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if (retcode != 0)
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exit (retcode);
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if (!g_present)
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{
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del_command = malloc (strlen (coff2exe_args[1]) + 5);
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sprintf (del_command, "del %s", coff2exe_args[1]);
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retcode = system (del_command);
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}
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#endif
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exit(0);
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}
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