summaryrefslogtreecommitdiffstats
path: root/testsuites/libtests/dl08/dl-load.c
blob: 680283b5c3b101301321d5a08a4b9f28fe9571a6 (plain) (blame)
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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
/* SPDX-License-Identifier: BSD-2-Clause */

/*
 * Copyright (c) 2014 Chris Johns <chrisj@rtems.org>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#define TEST_TRACE 0
#if TEST_TRACE
 #define DEBUG_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_LOAD_SECT | \
                      RTEMS_RTL_TRACE_ALLOCATOR | \
                      RTEMS_RTL_TRACE_UNRESOLVED | \
                      RTEMS_RTL_TRACE_ARCHIVES | \
                      RTEMS_RTL_TRACE_DEPENDENCY)
 /* RTEMS_RTL_TRACE_ALL */
 #define DL_DEBUG_TRACE DEBUG_TRACE
 #define DL_RTL_CMDS    1
#else
 #define DL_DEBUG_TRACE 0
 #define DL_RTL_CMDS    0
#endif

#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 DL_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 DL_DEBUG_TRACE
  rtems_rtl_trace_set_mask (DL_DEBUG_TRACE);
#endif

  o1 = dl_load_obj("/dl08-o1.o", false);
  if (!o1)
    return 1;

  dl_check_resolved (o1, false);

  dl_load_dump ();

  printf ("Running rtems_main_o1:\n");
  if (dl_call (o1, "rtems_main_o1"))
    return 1;

  dl_close (o1);

  return 0;
}