dlfcn.h revision 1.25.18.1
1 1.25.18.1 perseant /* $NetBSD: dlfcn.h,v 1.25.18.1 2025/08/02 05:54:27 perseant 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 1.25 joerg #include <machine/ansi.h> 38 1.25 joerg 39 1.25 joerg #ifdef _BSD_SSIZE_T_ 40 1.25 joerg typedef _BSD_SSIZE_T_ ssize_t; 41 1.25 joerg #undef _BSD_SSIZE_T_ 42 1.25 joerg #endif 43 1.1 pk 44 1.14 bjh21 #if defined(_NETBSD_SOURCE) 45 1.7 pk typedef struct _dl_info { 46 1.7 pk const char *dli_fname; /* File defining the symbol */ 47 1.7 pk void *dli_fbase; /* Base address */ 48 1.7 pk const char *dli_sname; /* Symbol name */ 49 1.12 thorpej const void *dli_saddr; /* Symbol address */ 50 1.7 pk } Dl_info; 51 1.14 bjh21 #endif /* defined(_NETBSD_SOURCE) */ 52 1.7 pk 53 1.1 pk /* 54 1.1 pk * User interface to the run-time linker. 55 1.1 pk */ 56 1.2 pk __BEGIN_DECLS 57 1.24 joerg void *_dlauxinfo(void) __pure; 58 1.24 joerg 59 1.17 perry void *dlopen(const char *, int); 60 1.17 perry int dlclose(void *); 61 1.18 kleink void *dlsym(void * __restrict, const char * __restrict); 62 1.25.18.1 perseant #if (_POSIX_C_SOURCE - 0 >= 202405L) || defined(_NETBSD_SOURCE) 63 1.18 kleink int dladdr(const void * __restrict, Dl_info * __restrict); 64 1.25.18.1 perseant #endif 65 1.25.18.1 perseant #if defined(_NETBSD_SOURCE) 66 1.17 perry int dlctl(void *, int, void *); 67 1.20 pooka int dlinfo(void *, int, void *); 68 1.23 nonaka void *dlvsym(void * __restrict, const char * __restrict, 69 1.23 nonaka const char * __restrict); 70 1.25 joerg void __dl_cxa_refcount(void *, ssize_t); 71 1.5 kleink #endif 72 1.17 perry __aconst char *dlerror(void); 73 1.2 pk __END_DECLS 74 1.1 pk 75 1.1 pk /* Values for dlopen `mode'. */ 76 1.3 pk #define RTLD_LAZY 1 77 1.3 pk #define RTLD_NOW 2 78 1.4 pk #define RTLD_GLOBAL 0x100 /* Allow global searches in object */ 79 1.8 tv #define RTLD_LOCAL 0x200 80 1.22 skrll #define RTLD_NODELETE 0x01000 /* Do not remove members. */ 81 1.22 skrll #define RTLD_NOLOAD 0x02000 /* Do not load if not already loaded. */ 82 1.14 bjh21 #if defined(_NETBSD_SOURCE) 83 1.4 pk #define DL_LAZY RTLD_LAZY /* Compat */ 84 1.5 kleink #endif 85 1.15 christos 86 1.15 christos /* 87 1.16 skrll * Special handle arguments for dlsym(). 88 1.15 christos */ 89 1.15 christos #define RTLD_NEXT ((void *) -1) /* Search subsequent objects. */ 90 1.15 christos #define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm. */ 91 1.15 christos #define RTLD_SELF ((void *) -3) /* Search the caller itself. */ 92 1.1 pk 93 1.1 pk /* 94 1.1 pk * dlctl() commands 95 1.1 pk */ 96 1.14 bjh21 #if defined(_NETBSD_SOURCE) 97 1.1 pk #define DL_GETERRNO 1 98 1.7 pk #define DL_GETSYMBOL 2 99 1.4 pk #if 0 100 1.1 pk #define DL_SETSRCHPATH x 101 1.1 pk #define DL_GETLIST x 102 1.1 pk #define DL_GETREFCNT x 103 1.1 pk #define DL_GETLOADADDR x 104 1.5 kleink #endif /* 0 */ 105 1.14 bjh21 #endif /* defined(_NETBSD_SOURCE) */ 106 1.1 pk 107 1.20 pooka /* 108 1.20 pooka * dlinfo() commands 109 1.20 pooka * 110 1.21 skrll * From Solaris: http://docs.sun.com/app/docs/doc/816-5168/dlinfo-3c?a=view 111 1.20 pooka */ 112 1.20 pooka #if defined(_NETBSD_SOURCE) 113 1.20 pooka #define RTLD_DI_LINKMAP 3 114 1.20 pooka #if 0 115 1.20 pooka #define RTLD_DI_ARGSINFO 1 116 1.20 pooka #define RTLD_DI_CONFIGADDR 2 117 1.20 pooka #define RTLD_DI_LMID 4 118 1.20 pooka #define RTLD_DI_SERINFO 5 119 1.20 pooka #define RTLD_DI_SERINFOSIZE 6 120 1.20 pooka #define RTLD_DI_ORIGIN 7 121 1.20 pooka #define RTLD_DI_GETSIGNAL 8 122 1.20 pooka #define RTLD_DI_SETSIGNAL 9 123 1.20 pooka #endif 124 1.20 pooka #endif /* _NETBSD_SOURCE */ 125 1.20 pooka 126 1.5 kleink #endif /* !defined(_DLFCN_H_) */ 127
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