1276761Sdelphij/* $NetBSD: dlfcn.h,v 1.22 2010/12/24 12:41:42 skrll Exp $ */ 2276761Sdelphij 3276761Sdelphij/*- 4276761Sdelphij * Copyright (c) 1998 The NetBSD Foundation, Inc. 5276761Sdelphij * All rights reserved. 6276761Sdelphij * 7276761Sdelphij * This code is derived from software contributed to The NetBSD Foundation 8276761Sdelphij * by Paul Kranenburg. 9276761Sdelphij * 10276761Sdelphij * Redistribution and use in source and binary forms, with or without 11276761Sdelphij * modification, are permitted provided that the following conditions 12276761Sdelphij * are met: 13276761Sdelphij * 1. Redistributions of source code must retain the above copyright 14276761Sdelphij * notice, this list of conditions and the following disclaimer. 15276761Sdelphij * 2. Redistributions in binary form must reproduce the above copyright 16276761Sdelphij * notice, this list of conditions and the following disclaimer in the 17276761Sdelphij * documentation and/or other materials provided with the distribution. 18276761Sdelphij * 19276761Sdelphij * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20276761Sdelphij * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21276761Sdelphij * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22276761Sdelphij * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23276761Sdelphij * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24276761Sdelphij * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25276761Sdelphij * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26276761Sdelphij * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27276761Sdelphij * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28276761Sdelphij * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29276761Sdelphij * POSSIBILITY OF SUCH DAMAGE. 30276761Sdelphij */ 31276761Sdelphij 32276761Sdelphij#ifndef _DLFCN_H_ 33276761Sdelphij#define _DLFCN_H_ 34276761Sdelphij 35276761Sdelphij#include <sys/featuretest.h> 36276761Sdelphij#include <sys/cdefs.h> 37276761Sdelphij 38276761Sdelphij#if defined(_NETBSD_SOURCE) 39276761Sdelphijtypedef struct _dl_info { 40276761Sdelphij const char *dli_fname; /* File defining the symbol */ 41276761Sdelphij void *dli_fbase; /* Base address */ 42276761Sdelphij const char *dli_sname; /* Symbol name */ 43276761Sdelphij const void *dli_saddr; /* Symbol address */ 44276761Sdelphij} Dl_info; 45276761Sdelphij#endif /* defined(_NETBSD_SOURCE) */ 46276761Sdelphij 47276761Sdelphij/* 48276761Sdelphij * User interface to the run-time linker. 49276761Sdelphij */ 50276761Sdelphij__BEGIN_DECLS 51276761Sdelphijvoid *dlopen(const char *, int); 52276761Sdelphijint dlclose(void *); 53276761Sdelphijvoid *dlsym(void * __restrict, const char * __restrict); 54276761Sdelphij#if defined(_NETBSD_SOURCE) 55276761Sdelphijint dladdr(const void * __restrict, Dl_info * __restrict); 56276761Sdelphijint dlctl(void *, int, void *); 57276761Sdelphijint dlinfo(void *, int, void *); 58276761Sdelphijvoid *dlvsym(void * __restrict, const char * __restrict, 59276761Sdelphij const char * __restrict); 60276761Sdelphij#endif 61276761Sdelphij__aconst char *dlerror(void); 62276761Sdelphij__END_DECLS 63276761Sdelphij 64276761Sdelphij/* Values for dlopen `mode'. */ 65276761Sdelphij#define RTLD_LAZY 1 66276761Sdelphij#define RTLD_NOW 2 67276761Sdelphij#define RTLD_GLOBAL 0x100 /* Allow global searches in object */ 68276761Sdelphij#define RTLD_LOCAL 0x200 69276761Sdelphij#define RTLD_NODELETE 0x01000 /* Do not remove members. */ 70276761Sdelphij#define RTLD_NOLOAD 0x02000 /* Do not load if not already loaded. */ 71276761Sdelphij#if defined(_NETBSD_SOURCE) 72276761Sdelphij#define DL_LAZY RTLD_LAZY /* Compat */ 73276761Sdelphij#endif 74276761Sdelphij 75276761Sdelphij/* 76276761Sdelphij * Special handle arguments for dlsym(). 77276761Sdelphij */ 78276761Sdelphij#define RTLD_NEXT ((void *) -1) /* Search subsequent objects. */ 79276761Sdelphij#define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm. */ 80276761Sdelphij#define RTLD_SELF ((void *) -3) /* Search the caller itself. */ 81276761Sdelphij 82276761Sdelphij/* 83276761Sdelphij * dlctl() commands 84276761Sdelphij */ 85276761Sdelphij#if defined(_NETBSD_SOURCE) 86276761Sdelphij#define DL_GETERRNO 1 87276761Sdelphij#define DL_GETSYMBOL 2 88276761Sdelphij#if 0 89276761Sdelphij#define DL_SETSRCHPATH x 90276761Sdelphij#define DL_GETLIST x 91276761Sdelphij#define DL_GETREFCNT x 92276761Sdelphij#define DL_GETLOADADDR x 93276761Sdelphij#endif /* 0 */ 94276761Sdelphij#endif /* defined(_NETBSD_SOURCE) */ 95276761Sdelphij 96276761Sdelphij/* 97276761Sdelphij * dlinfo() commands 98276761Sdelphij * 99276761Sdelphij * From Solaris: http://docs.sun.com/app/docs/doc/816-5168/dlinfo-3c?a=view 100276761Sdelphij */ 101276761Sdelphij#if defined(_NETBSD_SOURCE) 102276761Sdelphij#define RTLD_DI_LINKMAP 3 103276761Sdelphij#if 0 104276761Sdelphij#define RTLD_DI_ARGSINFO 1 105276761Sdelphij#define RTLD_DI_CONFIGADDR 2 106276761Sdelphij#define RTLD_DI_LMID 4 107276761Sdelphij#define RTLD_DI_SERINFO 5 108276761Sdelphij#define RTLD_DI_SERINFOSIZE 6 109276761Sdelphij#define RTLD_DI_ORIGIN 7 110276761Sdelphij#define RTLD_DI_GETSIGNAL 8 111276761Sdelphij#define RTLD_DI_SETSIGNAL 9 112276761Sdelphij#endif 113276761Sdelphij#endif /* _NETBSD_SOURCE */ 114276761Sdelphij 115276761Sdelphij#endif /* !defined(_DLFCN_H_) */ 116276761Sdelphij