dlfcn.h revision 1.21
1 1.21 skrll /* $NetBSD: dlfcn.h,v 1.21 2010/01/07 07:35:35 skrll Exp $ */ 2 1.1 pk 3 1.9 pk /*- 4 1.9 pk * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.1 pk * All rights reserved. 6 1.1 pk * 7 1.9 pk * This code is derived from software contributed to The NetBSD Foundation 8 1.9 pk * by Paul Kranenburg. 9 1.9 pk * 10 1.1 pk * Redistribution and use in source and binary forms, with or without 11 1.1 pk * modification, are permitted provided that the following conditions 12 1.1 pk * are met: 13 1.1 pk * 1. Redistributions of source code must retain the above copyright 14 1.1 pk * notice, this list of conditions and the following disclaimer. 15 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 pk * notice, this list of conditions and the following disclaimer in the 17 1.1 pk * documentation and/or other materials provided with the distribution. 18 1.1 pk * 19 1.9 pk * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.9 pk * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.9 pk * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.9 pk * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.9 pk * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.9 pk * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.9 pk * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.9 pk * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.9 pk * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.9 pk * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.9 pk * POSSIBILITY OF SUCH DAMAGE. 30 1.1 pk */ 31 1.1 pk 32 1.1 pk #ifndef _DLFCN_H_ 33 1.1 pk #define _DLFCN_H_ 34 1.1 pk 35 1.14 bjh21 #include <sys/featuretest.h> 36 1.1 pk #include <sys/cdefs.h> 37 1.1 pk 38 1.14 bjh21 #if defined(_NETBSD_SOURCE) 39 1.7 pk typedef struct _dl_info { 40 1.7 pk const char *dli_fname; /* File defining the symbol */ 41 1.7 pk void *dli_fbase; /* Base address */ 42 1.7 pk const char *dli_sname; /* Symbol name */ 43 1.12 thorpej const void *dli_saddr; /* Symbol address */ 44 1.7 pk } Dl_info; 45 1.14 bjh21 #endif /* defined(_NETBSD_SOURCE) */ 46 1.7 pk 47 1.1 pk /* 48 1.1 pk * User interface to the run-time linker. 49 1.1 pk */ 50 1.2 pk __BEGIN_DECLS 51 1.17 perry void *dlopen(const char *, int); 52 1.17 perry int dlclose(void *); 53 1.18 kleink void *dlsym(void * __restrict, const char * __restrict); 54 1.14 bjh21 #if defined(_NETBSD_SOURCE) 55 1.18 kleink int dladdr(const void * __restrict, Dl_info * __restrict); 56 1.17 perry int dlctl(void *, int, void *); 57 1.20 pooka int dlinfo(void *, int, void *); 58 1.5 kleink #endif 59 1.17 perry __aconst char *dlerror(void); 60 1.2 pk __END_DECLS 61 1.1 pk 62 1.1 pk /* Values for dlopen `mode'. */ 63 1.3 pk #define RTLD_LAZY 1 64 1.3 pk #define RTLD_NOW 2 65 1.4 pk #define RTLD_GLOBAL 0x100 /* Allow global searches in object */ 66 1.8 tv #define RTLD_LOCAL 0x200 67 1.14 bjh21 #if defined(_NETBSD_SOURCE) 68 1.4 pk #define DL_LAZY RTLD_LAZY /* Compat */ 69 1.5 kleink #endif 70 1.15 christos 71 1.15 christos /* 72 1.16 skrll * Special handle arguments for dlsym(). 73 1.15 christos */ 74 1.15 christos #define RTLD_NEXT ((void *) -1) /* Search subsequent objects. */ 75 1.15 christos #define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm. */ 76 1.15 christos #define RTLD_SELF ((void *) -3) /* Search the caller itself. */ 77 1.1 pk 78 1.1 pk /* 79 1.1 pk * dlctl() commands 80 1.1 pk */ 81 1.14 bjh21 #if defined(_NETBSD_SOURCE) 82 1.1 pk #define DL_GETERRNO 1 83 1.7 pk #define DL_GETSYMBOL 2 84 1.4 pk #if 0 85 1.1 pk #define DL_SETSRCHPATH x 86 1.1 pk #define DL_GETLIST x 87 1.1 pk #define DL_GETREFCNT x 88 1.1 pk #define DL_GETLOADADDR x 89 1.5 kleink #endif /* 0 */ 90 1.14 bjh21 #endif /* defined(_NETBSD_SOURCE) */ 91 1.1 pk 92 1.20 pooka /* 93 1.20 pooka * dlinfo() commands 94 1.20 pooka * 95 1.21 skrll * From Solaris: http://docs.sun.com/app/docs/doc/816-5168/dlinfo-3c?a=view 96 1.20 pooka */ 97 1.20 pooka #if defined(_NETBSD_SOURCE) 98 1.20 pooka #define RTLD_DI_LINKMAP 3 99 1.20 pooka #if 0 100 1.20 pooka #define RTLD_DI_ARGSINFO 1 101 1.20 pooka #define RTLD_DI_CONFIGADDR 2 102 1.20 pooka #define RTLD_DI_LMID 4 103 1.20 pooka #define RTLD_DI_SERINFO 5 104 1.20 pooka #define RTLD_DI_SERINFOSIZE 6 105 1.20 pooka #define RTLD_DI_ORIGIN 7 106 1.20 pooka #define RTLD_DI_GETSIGNAL 8 107 1.20 pooka #define RTLD_DI_SETSIGNAL 9 108 1.20 pooka #endif 109 1.20 pooka #endif /* _NETBSD_SOURCE */ 110 1.20 pooka 111 1.5 kleink #endif /* !defined(_DLFCN_H_) */ 112
Indexes created Fri Sep 26 20:09:58 GMT 2025