| 1 | /* Test for dlinfo.
|
|---|
| 2 | Copyright (C) 2003 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, write to the Free
|
|---|
| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|---|
| 18 | 02111-1307 USA. */
|
|---|
| 19 |
|
|---|
| 20 | #include <dlfcn.h>
|
|---|
| 21 | #include <stdio.h>
|
|---|
| 22 | #include <stdlib.h>
|
|---|
| 23 | #include <error.h>
|
|---|
| 24 |
|
|---|
| 25 | #define TEST_FUNCTION do_test ()
|
|---|
| 26 |
|
|---|
| 27 | static int
|
|---|
| 28 | do_test (void)
|
|---|
| 29 | {
|
|---|
| 30 | int status = 0;
|
|---|
| 31 |
|
|---|
| 32 | void *handle = dlopen ("glreflib1.so", RTLD_NOW);
|
|---|
| 33 | if (handle == NULL)
|
|---|
| 34 | error (EXIT_FAILURE, 0, "cannot load: glreflib1.so: %s", dlerror ());
|
|---|
| 35 |
|
|---|
| 36 | #define TRY(req, arg) \
|
|---|
| 37 | if (dlinfo (handle, req, arg) != 0) \
|
|---|
| 38 | { \
|
|---|
| 39 | printf ("dlinfo failed for %s: %s\n", #req, dlerror ()); \
|
|---|
| 40 | status = 1; \
|
|---|
| 41 | } \
|
|---|
| 42 | else
|
|---|
| 43 |
|
|---|
| 44 | struct link_map *l;
|
|---|
| 45 | TRY (RTLD_DI_LINKMAP, &l)
|
|---|
| 46 | {
|
|---|
| 47 | if (l != handle)
|
|---|
| 48 | {
|
|---|
| 49 | printf ("bogus link_map? %p != %p\n", l, handle);
|
|---|
| 50 | status = 1;
|
|---|
| 51 | }
|
|---|
| 52 | }
|
|---|
| 53 |
|
|---|
| 54 | char origin[8192]; /* >= PATH_MAX, in theory */
|
|---|
| 55 | TRY (RTLD_DI_ORIGIN, origin)
|
|---|
| 56 | {
|
|---|
| 57 | printf ("origin: %s\n", origin);
|
|---|
| 58 | }
|
|---|
| 59 |
|
|---|
| 60 | Dl_serinfo counts;
|
|---|
| 61 | TRY (RTLD_DI_SERINFOSIZE, &counts)
|
|---|
| 62 | {
|
|---|
| 63 | Dl_serinfo *buf = alloca (counts.dls_size);
|
|---|
| 64 | buf->dls_cnt = counts.dls_cnt;
|
|---|
| 65 | buf->dls_size = counts.dls_size;
|
|---|
| 66 | printf ("%u library directories\n", buf->dls_cnt);
|
|---|
| 67 | TRY (RTLD_DI_SERINFO, buf)
|
|---|
| 68 | {
|
|---|
| 69 | if (counts.dls_cnt != buf->dls_cnt)
|
|---|
| 70 | {
|
|---|
| 71 | printf ("??? became %u library directories\n", buf->dls_cnt);
|
|---|
| 72 | status = 1;
|
|---|
| 73 | }
|
|---|
| 74 | for (unsigned int i = 0; i < buf->dls_cnt; ++i)
|
|---|
| 75 | printf ("\t%#02x\t%s\n",
|
|---|
| 76 | buf->dls_serpath[i].dls_flags,
|
|---|
| 77 | buf->dls_serpath[i].dls_name);
|
|---|
| 78 | }
|
|---|
| 79 | }
|
|---|
| 80 |
|
|---|
| 81 | unsigned long int lmid = 0xdeadbeefUL;
|
|---|
| 82 | if (dlinfo (handle, RTLD_DI_LMID, &lmid) != 0)
|
|---|
| 83 | printf ("dlinfo refuses RTLD_DI_LMID: %s\n", dlerror ());
|
|---|
| 84 | else
|
|---|
| 85 | {
|
|---|
| 86 | printf ("dlinfo RTLD_DI_LMID worked? %#lx\n", lmid);
|
|---|
| 87 | status = lmid == 0xdeadbeefUL;
|
|---|
| 88 | }
|
|---|
| 89 |
|
|---|
| 90 | #undef TRY
|
|---|
| 91 | dlclose (handle);
|
|---|
| 92 |
|
|---|
| 93 | return status;
|
|---|
| 94 | }
|
|---|
| 95 |
|
|---|
| 96 | #include "../test-skeleton.c"
|
|---|
