for (l = _dl_loaded; l; l = l->l_next)
for (l = GL(dl_loaded); l; l = l->l_next)
_dl_addr (const void *address, Dl_info *info){  const ElfW(Addr) addr = DL_LOOKUP_ADDRESS (address);  struct link_map *l, *match;  const ElfW(Sym) *symtab, *matchsym;  const char *strtab;  ElfW(Word) strtabsize;  /* Find the highest-addressed object that ADDRESS is not below.  */  match = NULL;  for (l = _dl_loaded; l; l = l->l_next)    if (addr >= l->l_map_start && addr < l->l_map_end)      {	/* We know ADDRESS lies within L if in any shared object.	   Make sure it isn't past the end of L's segments.  */	size_t n = l->l_phnum;	if (n > 0)	  {	    do	      --n;	    while (l->l_phdr[n].p_type != PT_LOAD);	    if (addr >= (l->l_addr +			 l->l_phdr[n].p_vaddr + l->l_phdr[n].p_memsz))	      /* Off the end of the highest-addressed shared object.  */	      continue;	  }	match = l;	break;      }  if (match == NULL)    return 0;  /* Now we know what object the address lies in.  */  info->dli_fname = match->l_name;  info->dli_fbase = (void *) match->l_addr;  /* If this is the main program the information is incomplete.  */  if (__builtin_expect (info->dli_fbase == NULL, 0))    {      info->dli_fname = _dl_argv[0];      info->dli_fbase = (void *) match->l_map_start;    }  symtab = (const void *) D_PTR (match, l_info[DT_SYMTAB]);  strtab = (const void *) D_PTR (match, l_info[DT_STRTAB]);  strtabsize = match->l_info[DT_STRSZ]->d_un.d_val;  /* We assume that the string table follows the symbol table, because     there is no way in ELF to know the size of the dynamic symbol table!!  */  for (matchsym = NULL; (void *) symtab < (void *) strtab; ++symtab)    if (addr >= match->l_addr + symtab->st_value	&& ((symtab->st_size == 0 && addr == match->l_addr + symtab->st_value)	    || addr < match->l_addr + symtab->st_value + symtab->st_size)	&& symtab->st_name < strtabsize	&& (matchsym == NULL || matchsym->st_value < symtab->st_value)	&& (ELFW(ST_BIND) (symtab->st_info) == STB_GLOBAL	    || ELFW(ST_BIND) (symtab->st_info) == STB_WEAK))      matchsym = symtab;  if (matchsym)    {      /* We found a symbol close by.  Fill in its name and exact address.  */      info->dli_sname = strtab + matchsym->st_name;      info->dli_saddr = (void *) (match->l_addr + matchsym->st_value);    }  else    {      /* No symbol matches.  We return only the containing object.  */      info->dli_sname = NULL;      info->dli_saddr = NULL;    }  return 1;}