1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* Copyright (c) 2014 Chris Johns <chrisj@rtems.org>. All rights reserved.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <dlfcn.h>
#include "dl-o2.h"
typedef int (*func1_t)(int argc, const char* argv[]);
static void* find_sym(const char* name)
{
void* sym = dlsym(RTLD_DEFAULT, name);
if (sym == NULL)
printf("dlsym failed: not found: %s\n", name);
return sym;
}
static int dl_o1_callback(const char* message, int count)
{
printf("dl_o1_callback: %s\n", message);
return count + 1;
}
/*
* Yes a decl in the source. This is a modules main and I could not find which
* header main is defined in.
*/
int rtems_main (int argc, const char* argv[]);
int rtems_main (int argc, const char* argv[])
{
func1_t f1;
int arg;
int ret;
printf("Loaded module: argc:%d [%s]\n", argc, __FILE__);
for (arg = 0; arg < argc; ++arg)
printf(" %d: %s\n", arg, argv[arg]);
f1 = find_sym ("dl_o2_func1");
if (f1 == NULL)
return 0;
if (f1 (argc, argv) != argc)
{
printf("rtems_main: dl_o2_func1 returned bad value\n");
return 0;
}
if (dl_o2_func2 (7.1, 33.0) != (7.1 * 33.0))
{
printf("rtems_main: dl_o2_func1 returned bad value\n");
return 0;
}
ret = dl_o2_func3 (dl_o1_callback, 1);
printf ("rtems_main: callback count: %d\n", ret);
return argc;
}
|
