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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* 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.
*/
#define ARCHIVE_TRACE (RTEMS_RTL_TRACE_DETAIL | \
RTEMS_RTL_TRACE_WARNING | \
RTEMS_RTL_TRACE_LOAD | \
RTEMS_RTL_TRACE_UNLOAD | \
RTEMS_RTL_TRACE_SYMBOL | \
RTEMS_RTL_TRACE_RELOC | \
RTEMS_RTL_TRACE_ALLOCATOR | \
RTEMS_RTL_TRACE_UNRESOLVED | \
RTEMS_RTL_TRACE_ARCHIVES | \
RTEMS_RTL_TRACE_DEPENDENCY)
#define DL08_DEBUG_TRACE 0 /* RTEMS_RTL_TRACE_ALL */
#define DL08_RTL_CMDS 0
#include <dlfcn.h>
#include "dl-load.h"
#include <tmacros.h>
#include <rtems/rtl/rtl-shell.h>
#include <rtems/rtl/rtl-trace.h>
typedef int (*call_sig)(void);
static void dl_load_dump (void)
{
#if DL08_RTL_CMDS
char* list[] = { "rtl", "list", NULL };
char* sym[] = { "rtl", "sym", NULL };
printf ("RTL List:\n");
rtems_rtl_shell_command (2, list);
printf ("RTL Sym:\n");
rtems_rtl_shell_command (2, sym);
#endif
}
static void dl_check_resolved(void* handle, bool has_unresolved)
{
int unresolved = 0;
rtems_test_assert (dlinfo (handle, RTLD_DI_UNRESOLVED, &unresolved) == 0);
if (has_unresolved)
{
if (unresolved == 0)
{
dl_load_dump();
rtems_test_assert (unresolved != 0);
}
}
else
{
if (unresolved != 0)
{
dl_load_dump();
rtems_test_assert (unresolved == 0);
}
}
printf ("handel: %p: no unresolved externals\n", handle);
}
static void* dl_load_obj(const char* name, bool has_unresolved)
{
void* handle;
printf("load: %s\n", name);
handle = dlopen (name, RTLD_NOW | RTLD_GLOBAL);
if (!handle)
{
printf("dlopen failed: %s\n", dlerror());
return NULL;
}
dl_check_resolved (handle, has_unresolved);
printf ("handle: %p loaded\n", handle);
return handle;
}
static void dl_close (void* handle)
{
int r;
printf ("handle: %p closing\n", handle);
r = dlclose (handle);
if (r != 0)
printf("dlclose failed: %s\n", dlerror());
rtems_test_assert (r == 0);
}
static int dl_call (void* handle, const char* func)
{
call_sig call = dlsym (handle, func);
if (call == NULL)
{
printf("dlsym failed: symbol not found: %s\n", func);
return 1;
}
call ();
return 0;
}
int dl_load_test(void)
{
void* o1;
printf ("Test source (link in strstr): %s\n", dl_localise_file (__FILE__));
#if DL08_DEBUG_TRACE
rtems_rtl_trace_set_mask (DL08_DEBUG_TRACE);
#endif
o1 = dl_load_obj("/dl08-o1.o", false);
if (!o1)
return 1;
dl_check_resolved (o1, false);
dl_load_dump ();
printf ("\n\n\nRunning rtems_main_o1:\n\n");
if (dl_call (o1, "rtems_main_o1"))
return 1;
dl_close (o1);
return 0;
}
|
