Subversion Repositories openrisc

/* System dependent definitions for run-time dynamic loading.

   Copyright (C) 1996,1997,1998,1999,2000,2001 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       0x00001 /* Lazy function call binding.  */

#define RTLD_NOW        0x00002 /* Immediate function call binding.  */

#define RTLD_BINDING_MASK   0x3 /* Mask of binding time value.  */

#define RTLD_NOLOAD     0x00004 /* Do not load the object.  */

/* 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     0x00100

/* 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

#ifdef __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