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- /* System dependent definitions for run-time dynamic loading.
- Copyright (C) 1996, 1997, 1999, 2000, 2001, 2004
- Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #ifndef _DLFCN_H
- # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
- #endif
- /* The MODE argument to `dlopen' contains one of the following: */
- #define RTLD_LAZY 0x0001 /* Lazy function call binding. */
- #define RTLD_NOW 0x0002 /* Immediate function call binding. */
- #define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */
- #define RTLD_NOLOAD 0x00008 /* Do not load the object. */
- #if 0 /* uClibc doesnt support these */
- #define RTLD_DEEPBIND 0x00010 /* Use deep binding. */
- #endif
- /* If the following bit is set in the MODE argument to `dlopen',
- the symbols of the loaded object and its dependencies are made
- visible as if the object were linked directly into the program. */
- #define RTLD_GLOBAL 0x0004
- /* Unix98 demands the following flag which is the inverse to RTLD_GLOBAL.
- The implementation does this by default and so we can define the
- value to zero. */
- #define RTLD_LOCAL 0
- /* Do not delete object when closed. */
- #define RTLD_NODELETE 0x01000
- #if 0 /*def __USE_GNU*/
- /* To support profiling of shared objects it is a good idea to call
- the function found using `dlsym' using the following macro since
- these calls do not use the PLT. But this would mean the dynamic
- loader has no chance to find out when the function is called. The
- macro applies the necessary magic so that profiling is possible.
- Rewrite
- foo = (*fctp) (arg1, arg2);
- into
- foo = DL_CALL_FCT (fctp, (arg1, arg2));
- */
- # define DL_CALL_FCT(fctp, args) \
- (_dl_mcount_wrapper_check ((void *) (fctp)), (*(fctp)) args)
- __BEGIN_DECLS
- /* This function calls the profiling functions. */
- extern void _dl_mcount_wrapper_check (void *__selfpc) __THROW;
- __END_DECLS
- #endif
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