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1/* Test for dlinfo.
2 Copyright (C) 2003-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <dlfcn.h>
20#include <stdio.h>
21#include <stdlib.h>
22#include <error.h>
23
24#define TEST_FUNCTION do_test ()
25
26static int
27do_test (void)
28{
29 int status = 0;
30
31 void *handle = dlopen ("glreflib3.so", RTLD_NOW);
32 if (handle == NULL)
33 error (EXIT_FAILURE, 0, "cannot load: glreflib1.so: %s", dlerror ());
34
35#define TRY(req, arg) \
36 if (dlinfo (handle, req, arg) != 0) \
37 { \
38 printf ("dlinfo failed for %s: %s\n", #req, dlerror ()); \
39 status = 1; \
40 } \
41 else
42
43 struct link_map *l;
44 TRY (RTLD_DI_LINKMAP, &l)
45 {
46 if (l != handle)
47 {
48 printf ("bogus link_map? %p != %p\n", l, handle);
49 status = 1;
50 }
51 }
52
53 char origin[8192]; /* >= PATH_MAX, in theory */
54 TRY (RTLD_DI_ORIGIN, origin)
55 {
56 printf ("origin: %s\n", origin);
57 }
58
59 Dl_serinfo counts;
60 TRY (RTLD_DI_SERINFOSIZE, &counts)
61 {
62 Dl_serinfo *buf = alloca (counts.dls_size);
63 buf->dls_cnt = counts.dls_cnt;
64 buf->dls_size = counts.dls_size;
65 printf ("%u library directories\n", buf->dls_cnt);
66 TRY (RTLD_DI_SERINFO, buf)
67 {
68 if (counts.dls_cnt != buf->dls_cnt)
69 {
70 printf ("??? became %u library directories\n", buf->dls_cnt);
71 status = 1;
72 }
73 for (unsigned int i = 0; i < buf->dls_cnt; ++i)
74 printf ("\t%#02x\t%s\n",
75 buf->dls_serpath[i].dls_flags,
76 buf->dls_serpath[i].dls_name);
77 }
78 }
79
80 unsigned long int lmid = 0xdeadbeefUL;
81 if (dlinfo (handle, RTLD_DI_LMID, &lmid) != 0)
82 printf ("dlinfo refuses RTLD_DI_LMID: %s\n", dlerror ());
83 else
84 {
85 printf ("dlinfo RTLD_DI_LMID worked? %#lx\n", lmid);
86 status = lmid == 0xdeadbeefUL;
87 }
88
89#undef TRY
90 dlclose (handle);
91
92 return status;
93}
94
95#include "../test-skeleton.c"
96

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