aboutsummaryrefslogtreecommitdiff
path: root/contrib/devtools/test-symbol-check.py
blob: 106dfd2c5a3da1f17719c7e75477ce6ce2246a7a (plain)
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
#!/usr/bin/env python3
# Copyright (c) 2020 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
'''
Test script for symbol-check.py
'''
import os
import subprocess
import unittest

def call_symbol_check(cc, source, executable, options):
    subprocess.run([cc,source,'-o',executable] + options, check=True)
    p = subprocess.run(['./contrib/devtools/symbol-check.py',executable], stdout=subprocess.PIPE, universal_newlines=True)
    os.remove(source)
    os.remove(executable)
    return (p.returncode, p.stdout.rstrip())

class TestSymbolChecks(unittest.TestCase):
    def test_ELF(self):
        source = 'test1.c'
        executable = 'test1'
        cc = 'gcc'

        # renameat2 was introduced in GLIBC 2.28, so is newer than the upper limit
        # of glibc for all platforms
        with open(source, 'w', encoding="utf8") as f:
            f.write('''
                #define _GNU_SOURCE
                #include <stdio.h>
                #include <linux/fs.h>

                int renameat2(int olddirfd, const char *oldpath,
                    int newdirfd, const char *newpath, unsigned int flags);

                int main()
                {
                    renameat2(0, "test", 0, "test_", RENAME_EXCHANGE);
                    return 0;
                }
        ''')

        self.assertEqual(call_symbol_check(cc, source, executable, []),
                (1, executable + ': symbol renameat2 from unsupported version GLIBC_2.28\n' +
                    executable + ': failed IMPORTED_SYMBOLS'))

        # -lutil is part of the libc6 package so a safe bet that it's installed
        # it's also out of context enough that it's unlikely to ever become a real dependency
        source = 'test2.c'
        executable = 'test2'
        with open(source, 'w', encoding="utf8") as f:
            f.write('''
                #include <utmp.h>

                int main()
                {
                    login(0);
                    return 0;
                }
        ''')

        self.assertEqual(call_symbol_check(cc, source, executable, ['-lutil']),
                (1, executable + ': NEEDED library libutil.so.1 is not allowed\n' +
                    executable + ': failed LIBRARY_DEPENDENCIES'))

        # finally, check a conforming file that simply uses a math function
        source = 'test3.c'
        executable = 'test3'
        with open(source, 'w', encoding="utf8") as f:
            f.write('''
                #include <math.h>

                int main()
                {
                    return (int)pow(2.0, 4.0);
                }
        ''')

        self.assertEqual(call_symbol_check(cc, source, executable, ['-lm']),
                (0, ''))

    def test_MACHO(self):
        source = 'test1.c'
        executable = 'test1'
        cc = 'clang'

        with open(source, 'w', encoding="utf8") as f:
            f.write('''
                #include <expat.h>

                int main()
                {
                    XML_ExpatVersion();
                    return 0;
                }

        ''')

        self.assertEqual(call_symbol_check(cc, source, executable, ['-lexpat']),
            (1, 'libexpat.1.dylib is not in ALLOWED_LIBRARIES!\n' +
                executable + ': failed DYNAMIC_LIBRARIES'))

        source = 'test2.c'
        executable = 'test2'
        with open(source, 'w', encoding="utf8") as f:
            f.write('''
                #include <CoreGraphics/CoreGraphics.h>

                int main()
                {
                    CGMainDisplayID();
                    return 0;
                }
        ''')

        self.assertEqual(call_symbol_check(cc, source, executable, ['-framework', 'CoreGraphics']),
                (0, ''))

    def test_PE(self):
        source = 'test1.c'
        executable = 'test1.exe'
        cc = 'x86_64-w64-mingw32-gcc'

        with open(source, 'w', encoding="utf8") as f:
            f.write('''
                #include <pdh.h>

                int main()
                {
                    PdhConnectMachineA(NULL);
                    return 0;
                }
        ''')

        self.assertEqual(call_symbol_check(cc, source, executable, ['-lpdh']),
            (1, 'pdh.dll is not in ALLOWED_LIBRARIES!\n' +
                 executable + ': failed DYNAMIC_LIBRARIES'))

        source = 'test2.c'
        executable = 'test2.exe'
        with open(source, 'w', encoding="utf8") as f:
            f.write('''
                #include <windows.h>

                int main()
                {
                    CoFreeUnusedLibrariesEx(0,0);
                    return 0;
                }
        ''')

        self.assertEqual(call_symbol_check(cc, source, executable, ['-lole32']),
                (0, ''))


if __name__ == '__main__':
    unittest.main()