projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 45e4762c | 1 | /* Test for dlinfo. |
| 04277e02 | 2 | Copyright (C) 2003-2019 Free Software Foundation, Inc. |
| 45e4762c RM |
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 | |
| 59ba27a6 | 16 | License along with the GNU C Library; if not, see |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| 45e4762c RM |
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 | ||
| 26 | static int | |
| 27 | do_test (void) | |
| 28 | { | |
| 29 | int status = 0; | |
| 30 | ||
| 1c298d08 | 31 | void *handle = dlopen ("glreflib3.so", RTLD_NOW); |
| 45e4762c RM |
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" |