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e254df14 | 1 | /* Load a shared object at run time. |
150ae521 | 2 | Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc. |
e254df14 UD |
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 | |
41bdb6e2 AJ |
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. | |
e254df14 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
e254df14 | 14 | |
41bdb6e2 AJ |
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. */ | |
e254df14 | 19 | |
e254df14 | 20 | #include <dlfcn.h> |
150ae521 | 21 | #include <stddef.h> |
e254df14 | 22 | |
e57931a8 UD |
23 | /* This file is for compatibility with glibc 2.0. Compile it only if |
24 | versioning is used. */ | |
16710d58 RM |
25 | #include <shlib-compat.h> |
26 | #if SHLIB_COMPAT (libdl, GLIBC_2_0, GLIBC_2_1) | |
e57931a8 | 27 | |
e254df14 UD |
28 | struct dlopen_args |
29 | { | |
30 | /* The arguments for dlopen_doit. */ | |
31 | const char *file; | |
32 | int mode; | |
33 | /* The return value of dlopen_doit. */ | |
94e365c6 | 34 | void *new; |
dc5efe83 UD |
35 | /* Address of the caller. */ |
36 | const void *caller; | |
e254df14 UD |
37 | }; |
38 | ||
39 | ||
40 | static void | |
41 | dlopen_doit (void *a) | |
42 | { | |
43 | struct dlopen_args *args = (struct dlopen_args *) a; | |
44 | ||
2f54c82d UD |
45 | args->new = _dl_open (args->file ?: "", args->mode | __RTLD_DLOPEN, |
46 | args->caller); | |
e254df14 UD |
47 | } |
48 | ||
20bb2883 | 49 | extern void *__dlopen_nocheck (const char *file, int mode); |
e254df14 UD |
50 | void * |
51 | __dlopen_nocheck (const char *file, int mode) | |
52 | { | |
53 | struct dlopen_args args; | |
54 | args.file = file; | |
e6574c9c | 55 | args.caller = RETURN_ADDRESS (0); |
e254df14 UD |
56 | |
57 | if ((mode & RTLD_BINDING_MASK) == 0) | |
58 | /* By default assume RTLD_LAZY. */ | |
59 | mode |= RTLD_LAZY; | |
60 | args.mode = mode; | |
61 | ||
62 | return _dlerror_run (dlopen_doit, &args) ? NULL : args.new; | |
63 | } | |
16710d58 | 64 | compat_symbol (libdl, __dlopen_nocheck, dlopen, GLIBC_2_0); |
e254df14 | 65 | #endif |