mirror of
git://git.savannah.gnu.org/libtool.git
synced 2024-11-21 01:40:57 +08:00
96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/* dlmain.c -- hello test program that uses simulated dynamic linking
|
|
Copyright (C) 1996-1999 Free Software Foundation, Inc.
|
|
This file is part of GNU Libtool.
|
|
|
|
This program 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 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
USA. */
|
|
|
|
#include "foo.h"
|
|
#include <stdio.h>
|
|
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
|
|
struct lt_symlist
|
|
{
|
|
const char *name;
|
|
lt_ptr_t address;
|
|
};
|
|
|
|
extern const struct lt_symlist lt_preloaded_symbols[];
|
|
|
|
int
|
|
main (argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
const struct lt_symlist *s;
|
|
int (*pfoo)() = 0;
|
|
int (*phello)() = 0;
|
|
int *pnothing = 0;
|
|
|
|
printf ("Welcome to *modular* GNU Hell!\n");
|
|
|
|
/* Look up the symbols we require for this demonstration. */
|
|
s = lt_preloaded_symbols;
|
|
while (s->name)
|
|
{
|
|
if (s->address) {
|
|
const char *name = s->name;
|
|
printf ("found symbol: %s\n", name);
|
|
if (!strcmp ("hello", name))
|
|
phello = (int(*)())s->address;
|
|
else if (!strcmp ("foo", name))
|
|
pfoo = (int(*)())s->address;
|
|
else if (!strcmp ("nothing", name))
|
|
#ifndef _WIN32
|
|
/* In an ideal world we could do this... */
|
|
pnothing = (int*)s->address;
|
|
#else /* !_WIN32 */
|
|
/* In an ideal world a shared lib would be able to export data */
|
|
pnothing = (int*)¬hing;
|
|
#endif
|
|
} else
|
|
printf ("found file: %s\n", s->name);
|
|
s ++;
|
|
}
|
|
|
|
/* Try assigning to the nothing variable. */
|
|
if (pnothing)
|
|
*pnothing = 1;
|
|
else
|
|
fprintf (stderr, "did not find the `nothing' variable\n");
|
|
|
|
/* Just call the functions and check return values. */
|
|
if (pfoo)
|
|
{
|
|
if ((*pfoo) () != FOO_RET)
|
|
return 1;
|
|
}
|
|
else
|
|
fprintf (stderr, "did not find the `foo' function\n");
|
|
|
|
if (phello)
|
|
{
|
|
if ((*phello) () != HELLO_RET)
|
|
return 3;
|
|
}
|
|
else
|
|
fprintf (stderr, "did not find the `hello' function\n");
|
|
|
|
return 0;
|
|
}
|