libtests/dl06/dl06-o1.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  * Copyright (c) 2018 Chris Johns <chrisj@rtems.org>.  All rights reserved.
0005  *
0006  * Redistribution and use in source and binary forms, with or without
0007  * modification, are permitted provided that the following conditions
0008  * are met:
0009  * 1. Redistributions of source code must retain the above copyright
0010  *    notice, this list of conditions and the following disclaimer.
0011  * 2. Redistributions in binary form must reproduce the above copyright
0012  *    notice, this list of conditions and the following disclaimer in the
0013  *    documentation and/or other materials provided with the distribution.
0014  *
0015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0025  * POSSIBILITY OF SUCH DAMAGE.
0026  */
0027
0028 #include "dl06-o2.h"
0029
0030 #include <dlfcn.h>
0031 #include <math.h>
0032
0033 #include <rtems/test-printer.h>
0034
0035 #define printf(...) rtems_printf(&rtems_test_printer, __VA_ARGS__);
0036
0037 typedef void (*func1_t)(unsigned short s[7]);
0038
0039 static void* find_sym(const char* name)
0040 {
0041   void* sym = dlsym(RTLD_DEFAULT, name);
0042   if (sym == NULL)
0043     printf("dlsym failed: not found: %s\n", name);
0044   return sym;
0045 }
0046
0047 /*
0048  * Yes a decl in the source. This is a modules main and I could not find which
0049  * header main is defined in.
0050  */
0051 int rtems_main (int argc, const char* argv[]);
0052
0053 int rtems_main (int argc, const char* argv[])
0054 {
0055   func1_t        f1;
0056   double         d;
0057   unsigned short s[7] = { 12, 34, 56, 78, 90, 13, 57 };
0058
0059   printf("Loaded module: argc:%d [%s]\n", argc, __FILE__);
0060
0061   f1 = find_sym ("dl_o2_func1");
0062   if (f1 == NULL)
0063     return 0;
0064
0065   f1 (s);
0066
0067   d = dl_o2_func2 (7.1, 33.0);
0068   (void) d;
0069
0070   d = dl_o2_func3 (0.778899);
0071   (void) d;
0072
0073
0074   return argc;
0075 }