Move to kernel style SPDX license identifiers
[lttng-ust.git] / tests / unit / gcc-weak-hidden / main.c
CommitLineData
5a673446 1/*
c0c0989a 2 * SPDX-License-Identifier: MIT
5a673446 3 *
c0c0989a 4 * Copyright (C) 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
5a673446 5 */
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MD
6
7#include <stdbool.h>
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MD
8#include "tap.h"
9
10#define NUM_TESTS 2
11
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MD
12int testint __attribute__((weak, visibility("hidden")));
13void *testptr __attribute__((weak, visibility("hidden")));
14struct {
15 char a[24];
16} testsym_24_bytes __attribute__((weak, visibility("hidden")));
17
18void *testfct_int(void);
19void *testfct_ptr(void);
20void *testfct_24_bytes(void);
21
22void *testlibfct1_int(void);
23void *testlibfct1_ptr(void);
24void *testlibfct1_24_bytes(void);
25
26void *testlibfct2_int(void);
27void *testlibfct2_ptr(void);
28void *testlibfct2_24_bytes(void);
29
30enum {
31 MATCH_PROGRAM_INT,
32 MATCH_PROGRAM_PTR,
33 MATCH_PROGRAM_24_BYTES,
34 MATCH_LIB_INT,
35 MATCH_LIB_PTR,
36 MATCH_LIB_24_BYTES,
37 NR_MATCH,
38};
5a673446 39
3227b2b9 40static bool match_matrix[NR_MATCH];
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41
42int main()
43{
44 plan_tests(NUM_TESTS);
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45
46 if (testfct_int() == &testint)
47 match_matrix[MATCH_PROGRAM_INT] = true;
48 if (testfct_ptr() == &testptr)
49 match_matrix[MATCH_PROGRAM_PTR] = true;
50 if (testfct_24_bytes() == &testsym_24_bytes)
51 match_matrix[MATCH_PROGRAM_24_BYTES] = true;
52
53 if (testlibfct1_int() == testlibfct2_int())
54 match_matrix[MATCH_LIB_INT] = true;
55 if (testlibfct1_ptr() == testlibfct2_ptr())
56 match_matrix[MATCH_LIB_PTR] = true;
57 if (testlibfct1_24_bytes() == testlibfct2_24_bytes())
58 match_matrix[MATCH_LIB_24_BYTES] = true;
59
60 diag("Address of weak symbol with hidden visibility %s between compile units within same module for main program (4 bytes integer object)",
61 match_matrix[MATCH_PROGRAM_INT] ? "match" : "MISMATCH");
62 diag("Address of weak symbol with hidden visibility %s between compile units within same module for main program (pointer object)",
63 match_matrix[MATCH_PROGRAM_PTR] ? "match" : "MISMATCH");
64 diag("Address of weak symbol with hidden visibility %s between compile units within same module for main program (24 bytes structure object)",
65 match_matrix[MATCH_PROGRAM_24_BYTES] ? "match" : "MISMATCH");
66
67 diag("Address of weak symbol with hidden visibility %s between compile units within same module for shared library (4 bytes integer object)",
68 match_matrix[MATCH_LIB_INT] ? "match" : "MISMATCH");
69 diag("Address of weak symbol with hidden visibility %s between compile units within same module for shared library (pointer object)",
70 match_matrix[MATCH_LIB_PTR] ? "match" : "MISMATCH");
71 diag("Address of weak symbol with hidden visibility %s between compile units within same module for shared library (24 bytes structure object)",
72 match_matrix[MATCH_LIB_24_BYTES] ? "match" : "MISMATCH");
73
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74 ok(match_matrix[MATCH_PROGRAM_INT] == match_matrix[MATCH_PROGRAM_PTR],
75 "Weak-hidden behavior is the same for 4 bytes integer and pointer objects within main program");
76 ok(match_matrix[MATCH_LIB_INT] == match_matrix[MATCH_LIB_PTR],
77 "Weak-hidden behavior is the same for 4 bytes integer and pointer objects within shared library");
bf746e7d
MJ
78
79 return exit_status();
5a673446 80}
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