82 lines
3.1 KiB
C
82 lines
3.1 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __DLFCN_H__
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#define __DLFCN_H__
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#include <stdint.h>
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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typedef struct {
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/* Pathname of shared object that contains address. */
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const char* _Nullable dli_fname;
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/* Address at which shared object is loaded. */
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void* _Nullable dli_fbase;
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/* Name of nearest symbol with address lower than addr. */
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const char* _Nullable dli_sname;
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/* Exact address of symbol named in dli_sname. */
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void* _Nullable dli_saddr;
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} Dl_info;
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void* _Nullable dlopen(const char* _Nullable __filename, int __flag);
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int dlclose(void* _Nonnull __handle);
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char* _Nullable dlerror(void);
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/* (RTLD_DEFAULT is null for LP64, but -1 for LP32) */
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void* _Nullable dlsym(void* __BIONIC_COMPLICATED_NULLNESS __handle, const char* _Nullable __symbol);
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/* (RTLD_DEFAULT is null for LP64, but -1 for LP32) */
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void* _Nullable dlvsym(void* __BIONIC_COMPLICATED_NULLNESS __handle, const char* _Nullable __symbol, const char* _Nullable __version) __INTRODUCED_IN(24);
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int dladdr(const void* _Nonnull __addr, Dl_info* _Nonnull __info);
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#define RTLD_LOCAL 0
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#define RTLD_LAZY 0x00001
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#define RTLD_NOW 0x00002
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#define RTLD_NOLOAD 0x00004
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#define RTLD_GLOBAL 0x00100
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#define RTLD_NODELETE 0x01000
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#if !defined(__LP64__)
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/* LP32 is broken for historical reasons. */
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#undef RTLD_NOW
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#define RTLD_NOW 0x00000
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#undef RTLD_GLOBAL
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#define RTLD_GLOBAL 0x00002
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#endif
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#if defined (__LP64__)
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#define RTLD_DEFAULT __BIONIC_CAST(reinterpret_cast, void*, 0)
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#define RTLD_NEXT __BIONIC_CAST(reinterpret_cast, void*, -1L)
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#else
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#define RTLD_DEFAULT __BIONIC_CAST(reinterpret_cast, void*, 0xffffffff)
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#define RTLD_NEXT __BIONIC_CAST(reinterpret_cast, void*, 0xfffffffe)
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#endif
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__END_DECLS
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#endif
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