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e5d262ef TMQMF |
1 | /* Helper header for test-audit-threads. |
2 | ||
6d7e8eda | 3 | Copyright (C) 2018-2023 Free Software Foundation, Inc. |
e5d262ef TMQMF |
4 | This file is part of the GNU C Library. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
17 | License along with the GNU C Library; if not, see | |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
e5d262ef TMQMF |
19 | |
20 | /* We use this helper to create a large number of functions, all of | |
21 | which will be resolved lazily and thus have their PLT updated. | |
22 | This is done to provide enough functions that we can statistically | |
23 | observe a thread vs. PLT resolution failure if one exists. */ | |
24 | ||
25 | #define CONCAT(a, b) a ## b | |
26 | #define NUM(x, y) CONCAT (x, y) | |
27 | ||
28 | #define FUNC10(x) \ | |
29 | FUNC (NUM (x, 0)); \ | |
30 | FUNC (NUM (x, 1)); \ | |
31 | FUNC (NUM (x, 2)); \ | |
32 | FUNC (NUM (x, 3)); \ | |
33 | FUNC (NUM (x, 4)); \ | |
34 | FUNC (NUM (x, 5)); \ | |
35 | FUNC (NUM (x, 6)); \ | |
36 | FUNC (NUM (x, 7)); \ | |
37 | FUNC (NUM (x, 8)); \ | |
38 | FUNC (NUM (x, 9)) | |
39 | ||
40 | #define FUNC100(x) \ | |
41 | FUNC10 (NUM (x, 0)); \ | |
42 | FUNC10 (NUM (x, 1)); \ | |
43 | FUNC10 (NUM (x, 2)); \ | |
44 | FUNC10 (NUM (x, 3)); \ | |
45 | FUNC10 (NUM (x, 4)); \ | |
46 | FUNC10 (NUM (x, 5)); \ | |
47 | FUNC10 (NUM (x, 6)); \ | |
48 | FUNC10 (NUM (x, 7)); \ | |
49 | FUNC10 (NUM (x, 8)); \ | |
50 | FUNC10 (NUM (x, 9)) | |
51 | ||
52 | #define FUNC1000(x) \ | |
53 | FUNC100 (NUM (x, 0)); \ | |
54 | FUNC100 (NUM (x, 1)); \ | |
55 | FUNC100 (NUM (x, 2)); \ | |
56 | FUNC100 (NUM (x, 3)); \ | |
57 | FUNC100 (NUM (x, 4)); \ | |
58 | FUNC100 (NUM (x, 5)); \ | |
59 | FUNC100 (NUM (x, 6)); \ | |
60 | FUNC100 (NUM (x, 7)); \ | |
61 | FUNC100 (NUM (x, 8)); \ | |
62 | FUNC100 (NUM (x, 9)) | |
63 | ||
64 | #define FUNC7000() \ | |
65 | FUNC1000 (1); \ | |
66 | FUNC1000 (2); \ | |
67 | FUNC1000 (3); \ | |
68 | FUNC1000 (4); \ | |
69 | FUNC1000 (5); \ | |
70 | FUNC1000 (6); \ | |
71 | FUNC1000 (7); | |
72 | ||
73 | #ifdef FUNC | |
74 | # undef FUNC | |
75 | #endif | |
76 | ||
77 | #ifdef externnum | |
78 | # define FUNC(x) extern int CONCAT (retNum, x) (void) | |
79 | #endif | |
80 | ||
81 | #ifdef definenum | |
82 | # define FUNC(x) int CONCAT (retNum, x) (void) { return x; } | |
83 | #endif | |
84 | ||
85 | #ifdef callnum | |
86 | # define FUNC(x) CONCAT (retNum, x) (); sync_all (x) | |
87 | #endif | |
88 | ||
89 | /* A value of 7000 functions is chosen as an arbitrarily large | |
90 | number of functions that will allow us enough attempts to | |
91 | verify lazy resolution operation. */ | |
92 | FUNC7000 (); |