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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/* Test the protected visibility when main is linked with moda and modb
in that order:
1. Protected symbols, protected1, protected2 and protected3, defined
in moda, are used in moda.
2. Protected symbol, protected3, defined in modb, are used in modb.
3. Symbol, protected1, defined in moda, is also used in main and modb.
4. Symbol, protected2, defined in main, is used in main.
5. Symbol, protected3, defined in moda, is also used in main.
Copyright (C) 2015-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/* This file must be compiled as PIE to avoid copy relocation when
accessing protected symbols defined in shared libraries since copy
relocation doesn't work with protected symbols and linker in
binutils 2.26 enforces this rule. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "tst-protected1mod.h"
/* Prototype for our test function. */
extern int do_test (void);
int protected2 = -1;
/* This defines the `main' function and some more. */
#include <support/test-driver.c>
int
do_test (void)
{
int res = 0;
/* Check if we get the same address for the protected data symbol. */
if (&protected1 != protected1a_p ())
{
puts ("`protected1' in main and moda doesn't have same address");
res = 1;
}
if (&protected1 != protected1b_p ())
{
puts ("`protected1' in main and modb doesn't have same address");
res = 1;
}
/* Check if we get the right value for the protected data symbol. */
if (protected1 != 3)
{
puts ("`protected1' in main and moda doesn't have same value");
res = 1;
}
/* Check if we get the right value for data defined in executable. */
if (protected2 != -1)
{
puts ("`protected2' in main has the wrong value");
res = 1;
}
/* Check `protected1' in moda. */
if (!check_protected1 ())
{
puts ("`protected1' in moda has the wrong value");
res = 1;
}
/* Check `protected2' in moda. */
if (!check_protected2 ())
{
puts ("`protected2' in moda has the wrong value");
res = 1;
}
/* Check if we get the same address for the protected data symbol. */
if (&protected3 != protected3a_p ())
{
puts ("`protected3' in main and moda doesn't have same address");
res = 1;
}
if (&protected3 == protected3b_p ())
{
puts ("`protected3' in main and modb has same address");
res = 1;
}
/* Check if we get the right value for the protected data symbol. */
if (protected3 != 5)
{
puts ("`protected3' in main and moda doesn't have same value");
res = 1;
}
/* Check `protected3' in moda. */
if (!check_protected3a ())
{
puts ("`protected3' in moda has the wrong value");
res = 1;
}
/* Check `protected3' in modb. */
if (!check_protected3b ())
{
puts ("`protected3' in modb has the wrong value");
res = 1;
}
/* Set `protected2' in moda to 30. */
set_protected2 (300);
/* Check `protected2' in moda. */
if (!check_protected2 ())
{
puts ("`protected2' in moda has the wrong value");
res = 1;
}
/* Set `protected1' in moda to 30. */
set_protected1a (30);
/* Check `protected1' in moda. */
if (!check_protected1 ())
{
puts ("`protected1' in moda has the wrong value");
res = 1;
}
/* Check if we get the updated value for the protected data symbol. */
if (protected1 != 30)
{
puts ("`protected1' in main doesn't have the updated value");
res = 1;
}
protected2 = -300;
/* Check `protected2' in moda. */
if (!check_protected2 ())
{
puts ("`protected2' in moda has the wrong value");
res = 1;
}
/* Check if data defined in executable is changed. */
if (protected2 != -300)
{
puts ("`protected2' in main is changed");
res = 1;
}
/* Set `protected1' in modb to 40. */
set_protected1b (40);
set_expected_protected1 (40);
/* Check `protected1' in moda. */
if (!check_protected1 ())
{
puts ("`protected1' in moda has the wrong value");
res = 1;
}
/* Check if we get the updated value for the protected data symbol. */
if (protected1 != 40)
{
puts ("`protected1' in main doesn't have the updated value");
res = 1;
}
/* Set `protected3' in moda to 80. */
set_protected3a (80);
/* Check `protected3' in moda. */
if (!check_protected3a ())
{
puts ("`protected3' in moda has the wrong value");
res = 1;
}
/* Check if we get the updated value for the protected data symbol. */
if (protected3 != 80)
{
puts ("`protected3' in main doesn't have the updated value");
res = 1;
}
/* Check `protected3' in modb. */
if (!check_protected3b ())
{
puts ("`protected3' in modb has the wrong value");
res = 1;
}
/* Set `protected3' in modb to 100. */
set_protected3b (100);
/* Check `protected3' in moda. */
if (!check_protected3a ())
{
puts ("`protected3' in moda has the wrong value");
res = 1;
}
/* Check if we get the updated value for the protected data symbol. */
if (protected3 != 80)
{
puts ("`protected3' in main doesn't have the updated value");
res = 1;
}
/* Check `protected3' in modb. */
if (!check_protected3b ())
{
puts ("`protected3' in modb has the wrong value");
res = 1;
}
return res;
}
|
