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upload android base code part3

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August 2018-08-08 16:48:17 +08:00
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android/bionic/libc/include/dlfcn.h Normal file
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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __DLFCN_H__
#define __DLFCN_H__
#include <stdint.h>
#include <sys/cdefs.h>
__BEGIN_DECLS
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnullability-completeness"
#endif
typedef struct {
/* Pathname of shared object that contains address. */
const char* dli_fname;
/* Address at which shared object is loaded. */
void* dli_fbase;
/* Name of nearest symbol with address lower than addr. */
const char* dli_sname;
/* Exact address of symbol named in dli_sname. */
void* dli_saddr;
} Dl_info;
void* dlopen(const char* filename, int flag);
int dlclose(void* _Nonnull handle);
char* dlerror(void);
void* dlsym(void* handle, const char* _Nonnull symbol);
void* dlvsym(void* handle, const char* _Nonnull symbol, const char* _Nonnull version) __INTRODUCED_IN(24);
int dladdr(const void* addr, Dl_info* _Nonnull info);
#define RTLD_LOCAL 0
#define RTLD_LAZY 0x00001
#define RTLD_NOW 0x00002
#define RTLD_NOLOAD 0x00004
#define RTLD_GLOBAL 0x00100
#define RTLD_NODELETE 0x01000
#if !defined(__LP64__)
/* LP32 is broken for historical reasons. */
#undef RTLD_NOW
#define RTLD_NOW 0x00000
#undef RTLD_GLOBAL
#define RTLD_GLOBAL 0x00002
#endif
#if defined (__LP64__)
#define RTLD_DEFAULT __BIONIC_CAST(reinterpret_cast, void*, 0)
#define RTLD_NEXT __BIONIC_CAST(reinterpret_cast, void*, -1L)
#else
#define RTLD_DEFAULT __BIONIC_CAST(reinterpret_cast, void*, 0xffffffff)
#define RTLD_NEXT __BIONIC_CAST(reinterpret_cast, void*, 0xfffffffe)
#endif
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
__END_DECLS
#endif /* __DLFCN_H */