asm ("" : "=r" (reloc) : "0" (reloc));
weak_extern (_dl_sysdep_start)extern int __libc_multiple_libcs;	/* Defined in init-first.c.  */extern int __libc_argc;extern char **__libc_argv;extern char **__environ;size_t _dl_global_scope_alloc;/* During the program run we must not modify the global data of   loaded shared object simultanously in two threads.  Therefore we   protect `_dl_open' and `_dl_close' in dl-close.c.   This must be a recursive lock since the initializer function of   the loaded object might as well require a call to this function.   At this time it is not anymore a problem to modify the tables.  */__libc_lock_define_initialized_recursive (, _dl_load_lock)struct link_map *_dl_open (const char *file, int mode){  struct link_map *new, *l;  ElfW(Addr) init;  struct r_debug *r;  /* Make sure we are alone.  */  __libc_lock_lock (_dl_load_lock);  /* Load the named object.  */  new = _dl_map_object (NULL, file, lt_loaded, 0);  if (new->l_searchlist)    {      /* It was already open.  */      __libc_lock_unlock (_dl_load_lock);      return new;    }  /* Load that object's dependencies.  */  _dl_map_object_deps (new, NULL, 0, 0);  /* So far, so good.  Now check the versions.  */  (void) _dl_check_all_versions (new, 0);  /* Relocate the objects loaded.  We do this in reverse order so that copy     relocs of earlier objects overwrite the data written by later objects.  */  l = new;  while (l->l_next)    l = l->l_next;  while (1)    {      if (! l->l_relocated)	{	  /* We use an indirect call call for _dl_relocate_object because	     we must avoid using the PLT in the call.  If our PLT entry for	     _dl_relocate_object hasn't been used yet, then the dynamic	     linker fixup routine will clobber _dl_global_scope during its	     work.  We must be sure that nothing will require a PLT fixup	     between when _dl_object_relocation_scope returns and when we	     enter the dynamic linker's code (_dl_relocate_object).  */	  __typeof (_dl_relocate_object) *reloc = &_dl_relocate_object;	  (*reloc) (l, _dl_object_relocation_scope (l),		    (mode & RTLD_BINDING_MASK) == RTLD_LAZY);	  *_dl_global_scope_end = NULL;	}      if (l == new)	break;      l = l->l_prev;    }  new->l_global = (mode & RTLD_GLOBAL);  if (new->l_global)    {      /* The symbols of the new object and its dependencies are to be	 introduced into the global scope that will be used to resolve	 references from other dynamically-loaded objects.  */      if (_dl_global_scope_alloc == 0)	{	  /* This is the first dynamic object given global scope.  */	  _dl_global_scope_alloc = 8;	  _dl_global_scope = malloc (8 * sizeof (struct link_map *));	  if (! _dl_global_scope)	    {	      _dl_global_scope = _dl_default_scope;	    nomem:	      _dl_close (new);	      _dl_signal_error (ENOMEM, file, "cannot extend global scope");	    }	  _dl_global_scope[2] = _dl_default_scope[2];	  _dl_global_scope[3] = new;	  _dl_global_scope[4] = NULL;	  _dl_global_scope[5] = NULL;	}      else	{	  if (_dl_global_scope_alloc <	      (size_t) (_dl_global_scope_end - _dl_global_scope + 2))	    {	      /* Must extend the list.  */	      struct link_map **new = realloc (_dl_global_scope,					       _dl_global_scope_alloc * 2);	      if (! new)		goto nomem;	      _dl_global_scope_end = new + (_dl_global_scope_end -					    _dl_global_scope);	      _dl_global_scope = new;	      _dl_global_scope_alloc *= 2;	    }	  /* Append the new object and re-terminate the list.  */	  *_dl_global_scope_end++ = new;	  /* We keep the list double-terminated so the last element	     can be filled in for symbol lookups.  */	  _dl_global_scope_end[0] = NULL;	  _dl_global_scope_end[1] = NULL;	}    }  /* Notify the debugger we have added some objects.  We need to call     _dl_debug_initialize in a static program in case dynamic linking has     not been used before.  */  r = _dl_debug_initialize (0);  r->r_state = RT_ADD;  _dl_debug_state ();  /* Run the initializer functions of new objects.  */  while (init = _dl_init_next (new))    (*(void (*) (int, char **, char **)) init) (__libc_argc, __libc_argv,						__environ);  if (_dl_sysdep_start == NULL)    /* We must be the static _dl_open in libc.a.  A static program that       has loaded a dynamic object now has competition.  */    __libc_multiple_libcs = 1;  /* Release the lock.  */  __libc_lock_unlock (_dl_load_lock);  return new;}