1 /* Test bug in dwfl_report_segment() coalescing.
2 Copyright (C) 2019 Facebook
3 This file is part of elfutils.
4
5 This file is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 elfutils is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17
18 #include <config.h>
19 #include <assert.h>
20 #include <inttypes.h>
21 #include <stdio.h>
22 #include <stdio_ext.h>
23 #include <locale.h>
24 #include ELFUTILS_HEADER(dwfl)
25
26
27 static const Dwfl_Callbacks offline_callbacks =
28 {
29 .find_debuginfo = INTUSE(dwfl_standard_find_debuginfo),
30 .section_address = INTUSE(dwfl_offline_section_address),
31 };
32
33
34 int
main(void)35 main (void)
36 {
37 /* We use no threads here which can interfere with handling a stream. */
38 (void) __fsetlocking (stdout, FSETLOCKING_BYCALLER);
39
40 /* Set locale. */
41 (void) setlocale (LC_ALL, "");
42
43 Dwfl *dwfl = dwfl_begin (&offline_callbacks);
44 assert (dwfl != NULL);
45
46 GElf_Phdr phdr1 =
47 {
48 .p_type = PT_LOAD,
49 .p_flags = PF_R,
50 .p_offset = 0xf00,
51 .p_vaddr = 0xf00,
52 .p_filesz = 0x100,
53 .p_memsz = 0x100,
54 .p_align = 4,
55 };
56
57 int ndx = dwfl_report_segment (dwfl, 1, &phdr1, 0, dwfl);
58 assert(ndx == 1);
59
60 ndx = dwfl_addrsegment (dwfl, 0xf00, NULL);
61 assert(ndx == 1);
62
63 GElf_Phdr phdr2 =
64 {
65 .p_type = PT_LOAD,
66 .p_flags = PF_R | PF_W,
67 .p_offset = 0x1000,
68 .p_vaddr = 0x1000,
69 .p_filesz = 0x100,
70 .p_memsz = 0x100,
71 .p_align = 4,
72 };
73 ndx = dwfl_report_segment (dwfl, 2, &phdr2, 0, dwfl);
74 assert(ndx == 2);
75
76 ndx = dwfl_addrsegment (dwfl, 0x1000, NULL);
77 assert(ndx == 1 || ndx == 2);
78
79 dwfl_end (dwfl);
80
81 return 0;
82 }
83