for (ph = phdr; ph < &phdr[phent]; ++ph)
for (ph = phdr; ph < &phdr[phnum]; ++ph)
dl_main (const ElfW(Phdr) *phdr,	 ElfW(Half) phent,	 ElfW(Addr) *user_entry){  const ElfW(Phdr) *ph;  enum mode mode;  struct link_map **preloads;  unsigned int npreloads;  size_t file_size;  char *file;  int has_interp = 0;  unsigned int i;  int rtld_is_main = 0;#ifndef HP_TIMING_NONAVAIL  hp_timing_t start;  hp_timing_t stop;  hp_timing_t diff;#endif  /* Process the environment variable which control the behaviour.  */  process_envvars (&mode, &_dl_lazy);  /* Set up a flag which tells we are just starting.  */  _dl_starting_up = 1;  if (*user_entry == (ElfW(Addr)) &ENTRY_POINT)    {      /* Ho ho.  We are not the program interpreter!  We are the program	 itself!  This means someone ran ld.so as a command.  Well, that	 might be convenient to do sometimes.  We support it by	 interpreting the args like this:	 ld.so PROGRAM ARGS...	 The first argument is the name of a file containing an ELF	 executable we will load and run with the following arguments.	 To simplify life here, PROGRAM is searched for using the	 normal rules for shared objects, rather than $PATH or anything	 like that.  We just load it and use its entry point; we don't	 pay attention to its PT_INTERP command (we are the interpreter	 ourselves).  This is an easy way to test a new ld.so before	 installing it.  */      rtld_is_main = 1;      /* Note the place where the dynamic linker actually came from.  */      _dl_rtld_map.l_name = _dl_argv[0];      while (_dl_argc > 1)	if (! strcmp (_dl_argv[1], "--list"))	  {	    mode = list;	    _dl_lazy = -1;	/* This means do no dependency analysis.  */	    ++_dl_skip_args;	    --_dl_argc;	    ++_dl_argv;	  }	else if (! strcmp (_dl_argv[1], "--verify"))	  {	    mode = verify;	    ++_dl_skip_args;	    --_dl_argc;	    ++_dl_argv;	  }	else if (! strcmp (_dl_argv[1], "--library-path") && _dl_argc > 2)	  {	    library_path = _dl_argv[2];	    _dl_skip_args += 2;	    _dl_argc -= 2;	    _dl_argv += 2;	  }	else if (! strcmp (_dl_argv[1], "--inhibit-rpath") && _dl_argc > 2)	  {	    _dl_inhibit_rpath = _dl_argv[2];	    _dl_skip_args += 2;	    _dl_argc -= 2;	    _dl_argv += 2;	  }	else	  break;      /* If we have no further argument the program was called incorrectly.	 Grant the user some education.  */      if (_dl_argc < 2)	_dl_sysdep_fatal ("\Usage: ld.so [OPTION]... EXECUTABLE-FILE [ARGS-FOR-PROGRAM...]\n\You have invoked `ld.so', the helper program for shared library executables.\n\This program usually lives in the file `/lib/ld.so', and special directives\n\in executable files using ELF shared libraries tell the system's program\n\loader to load the helper program from this file.  This helper program loads\n\the shared libraries needed by the program executable, prepares the program\n\to run, and runs it.  You may invoke this helper program directly from the\n\command line to load and run an ELF executable file; this is like executing\n\that file itself, but always uses this helper program from the file you\n\specified, instead of the helper program file specified in the executable\n\file you run.  This is mostly of use for maintainers to test new versions\n\of this helper program; chances are you did not intend to run this program.\n\\n\  --list                list all dependencies and how they are resolved\n\  --verify              verify that given object really is a dynamically linked\n\                        object we can handle\n\  --library-path PATH   use given PATH instead of content of the environment\n\                        variable LD_LIBRARY_PATH\n\  --inhibit-rpath LIST  ignore RUNPATH and RPATH information in object names\n\                        in LIST\n",			  NULL);      ++_dl_skip_args;      --_dl_argc;      ++_dl_argv;      /* Initialize the data structures for the search paths for shared	 objects.  */      _dl_init_paths (library_path);      if (__builtin_expect (mode, normal) == verify)	{	  const char *objname;	  const char *err_str = NULL;	  struct map_args args;	  args.str = _dl_argv[0];	  (void) _dl_catch_error (&objname, &err_str, map_doit, &args);	  if (__builtin_expect (err_str != NULL, 0))	    {	      if (err_str != _dl_out_of_memory)		free ((char *) err_str);	      _exit (EXIT_FAILURE);	    }	}      else	{	  HP_TIMING_NOW (start);	  _dl_map_object (NULL, _dl_argv[0], 0, lt_library, 0, 0);	  HP_TIMING_NOW (stop);	  HP_TIMING_DIFF (load_time, start, stop);	}      phdr = _dl_loaded->l_phdr;      phent = _dl_loaded->l_phnum;      /* We overwrite here a pointer to a malloc()ed string.  But since	 the malloc() implementation used at this point is the dummy	 implementations which has no real free() function it does not	 makes sense to free the old string first.  */      _dl_loaded->l_name = (char *) "";      *user_entry = _dl_loaded->l_entry;    }  else    {      /* Create a link_map for the executable itself.	 This will be what dlopen on "" returns.  */      _dl_new_object ((char *) "", "", lt_executable, NULL);      if (_dl_loaded == NULL)	_dl_sysdep_fatal ("cannot allocate memory for link map\n", NULL);      _dl_loaded->l_phdr = phdr;      _dl_loaded->l_phnum = phent;      _dl_loaded->l_entry = *user_entry;      /* At this point we are in a bit of trouble.  We would have to	 fill in the values for l_dev and l_ino.  But in general we	 do not know where the file is.  We also do not handle AT_EXECFD	 even if it would be passed up.	 We leave the values here defined to 0.  This is normally no	 problem as the program code itself is normally no shared	 object and therefore cannot be loaded dynamically.  Nothing	 prevent the use of dynamic binaries and in these situations	 we might get problems.  We might not be able to find out	 whether the object is already loaded.  But since there is no	 easy way out and because the dynamic binary must also not	 have an SONAME we ignore this program for now.  If it becomes	 a problem we can force people using SONAMEs.  */      /* We delay initializing the path structure until we got the dynamic	 information for the program.  */    }  /* It is not safe to load stuff after the main program.  */  _dl_loaded->l_map_end = ~0;  /* Perhaps the executable has no PT_LOAD header entries at all.  */  _dl_loaded->l_map_start = ~0;  /* Scan the program header table for the dynamic section.  */  for (ph = phdr; ph < &phdr[phent]; ++ph)    switch (ph->p_type)      {      case PT_PHDR:	/* Find out the load address.  */	_dl_loaded->l_addr = (ElfW(Addr)) phdr - ph->p_vaddr;	break;      case PT_DYNAMIC:	/* This tells us where to find the dynamic section,	   which tells us everything we need to do.  */	_dl_loaded->l_ld = (void *) _dl_loaded->l_addr + ph->p_vaddr;	break;      case PT_INTERP:	/* This "interpreter segment" was used by the program loader to	   find the program interpreter, which is this program itself, the	   dynamic linker.  We note what name finds us, so that a future	   dlopen call or DT_NEEDED entry, for something that wants to link	   against the dynamic linker as a shared library, will know that	   the shared object is already loaded.  */	_dl_rtld_libname.name = ((const char *) _dl_loaded->l_addr				 + ph->p_vaddr);	/* _dl_rtld_libname.next = NULL;	Already zero.  */	_dl_rtld_map.l_libname = &_dl_rtld_libname;	/* Ordinarilly, we would get additional names for the loader from	   our DT_SONAME.  This can't happen if we were actually linked as	   a static executable (detect this case when we have no DYNAMIC).	   If so, assume the filename component of the interpreter path to	   be our SONAME, and add it to our name list.  */	if (_dl_rtld_map.l_ld == NULL)	  {	    char *p = strrchr (_dl_rtld_libname.name, '/');	    if (p)	      {		_dl_rtld_libname2.name = p+1;		/* _dl_rtld_libname2.next = NULL;  Already zero.  */		_dl_rtld_libname.next = &_dl_rtld_libname2;	      }	  }	has_interp = 1;	break;      case PT_LOAD:	/* Remember where the main program starts in memory.  */	{	  ElfW(Addr) mapstart;	  mapstart = _dl_loaded->l_addr + (ph->p_vaddr & ~(ph->p_align - 1));	  if (_dl_loaded->l_map_start > mapstart)	    _dl_loaded->l_map_start = mapstart;	}	break;      }  if (! _dl_rtld_map.l_libname && _dl_rtld_map.l_name)    {      /* We were invoked directly, so the program might not have a	 PT_INTERP.  */      _dl_rtld_libname.name = _dl_rtld_map.l_name;      /* _dl_rtld_libname.next = NULL; 	Alread zero.  */      _dl_rtld_map.l_libname =  &_dl_rtld_libname;    }  else    assert (_dl_rtld_map.l_libname); /* How else did we get here?  */  if (! rtld_is_main)    {      /* Extract the contents of the dynamic section for easy access.  */      elf_get_dynamic_info (_dl_loaded);      if (_dl_loaded->l_info[DT_HASH])	/* Set up our cache of pointers into the hash table.  */	_dl_setup_hash (_dl_loaded);    }  if (__builtin_expect (mode, normal) == verify)    {      /* We were called just to verify that this is a dynamic	 executable using us as the program interpreter.  Exit with an	 error if we were not able to load the binary or no interpreter	 is specified (i.e., this is no dynamically linked binary.  */      if (_dl_loaded->l_ld == NULL)	_exit (1);      /* We allow here some platform specific code.  */#ifdef DISTINGUISH_LIB_VERSIONS      DISTINGUISH_LIB_VERSIONS;#endif      _exit (has_interp ? 0 : 2);    }  if (! rtld_is_main)    /* Initialize the data structures for the search paths for shared       objects.  */    _dl_init_paths (library_path);  /* Put the link_map for ourselves on the chain so it can be found by     name.  Note that at this point the global chain of link maps contains     exactly one element, which is pointed to by _dl_loaded.  */  if (! _dl_rtld_map.l_name)    /* If not invoked directly, the dynamic linker shared object file was       found by the PT_INTERP name.  */    _dl_rtld_map.l_name = (char *) _dl_rtld_map.l_libname->name;  _dl_rtld_map.l_type = lt_library;  _dl_loaded->l_next = &_dl_rtld_map;  _dl_rtld_map.l_prev = _dl_loaded;  ++_dl_nloaded;  /* We have two ways to specify objects to preload: via environment     variable and via the file /etc/ld.so.preload.  The latter can also     be used when security is enabled.  */  preloads = NULL;  npreloads = 0;  if (__builtin_expect (preloadlist != NULL, 0))    {      /* The LD_PRELOAD environment variable gives list of libraries	 separated by white space or colons that are loaded before the	 executable's dependencies and prepended to the global scope	 list.  If the binary is running setuid all elements	 containing a '/' are ignored since it is insecure.  */      char *list = strdupa (preloadlist);      char *p;      HP_TIMING_NOW (start);      while ((p = strsep (&list, " :")) != NULL)	if (p[0] != '\0'	    && (__builtin_expect (! __libc_enable_secure, 1)		|| strchr (p, '/') == NULL))	  {	    struct link_map *new_map = _dl_map_object (_dl_loaded, p, 1,						       lt_library, 0, 0);	    if (++new_map->l_opencount == 1)	      /* It is no duplicate.  */	      ++npreloads;	  }      HP_TIMING_NOW (stop);      HP_TIMING_DIFF (diff, start, stop);      HP_TIMING_ACCUM_NT (load_time, diff);    }  /* Read the contents of the file.  */  file = _dl_sysdep_read_whole_file ("/etc/ld.so.preload", &file_size,				     PROT_READ | PROT_WRITE);  if (__builtin_expect (file != NULL, 0))    {      /* Parse the file.  It contains names of libraries to be loaded,	 separated by white spaces or `:'.  It may also contain	 comments introduced by `#'.  */      char *problem;      char *runp;      size_t rest;      /* Eliminate comments.  */      runp = file;      rest = file_size;      while (rest > 0)	{	  char *comment = memchr (runp, '#', rest);	  if (comment == NULL)	    break;	  rest -= comment - runp;	  do	    *comment = ' ';	  while (--rest > 0 && *++comment != '\n');	}      /* We have one problematic case: if we have a name at the end of	 the file without a trailing terminating characters, we cannot	 place the \0.  Handle the case separately.  */      if (file[file_size - 1] != ' ' && file[file_size - 1] != '\t'	  && file[file_size - 1] != '\n' && file[file_size - 1] != ':')	{	  problem = &file[file_size];	  while (problem > file && problem[-1] != ' ' && problem[-1] != '\t'		 && problem[-1] != '\n' && problem[-1] != ':')	    --problem;	  if (problem > file)	    problem[-1] = '\0';	}      else	{	  problem = NULL;	  file[file_size - 1] = '\0';	}      HP_TIMING_NOW (start);      if (file != problem)	{	  char *p;	  runp = file;	  while ((p = strsep (&runp, ": \t\n")) != NULL)	    if (p[0] != '\0')	      {		struct link_map *new_map = _dl_map_object (_dl_loaded, p, 1,							   lt_library, 0, 0);		if (++new_map->l_opencount == 1)		  /* It is no duplicate.  */		  ++npreloads;	      }	}      if (problem != NULL)	{	  char *p = strndupa (problem, file_size - (problem - file));	  struct link_map *new_map = _dl_map_object (_dl_loaded, p, 1,						     lt_library, 0, 0);	  if (++new_map->l_opencount == 1)	    /* It is no duplicate.  */	    ++npreloads;	}      HP_TIMING_NOW (stop);      HP_TIMING_DIFF (diff, start, stop);      HP_TIMING_ACCUM_NT (load_time, diff);      /* We don't need the file anymore.  */      __munmap (file, file_size);    }  if (__builtin_expect (npreloads, 0) != 0)    {      /* Set up PRELOADS with a vector of the preloaded libraries.  */      struct link_map *l;      preloads = __alloca (npreloads * sizeof preloads[0]);      l = _dl_rtld_map.l_next; /* End of the chain before preloads.  */      i = 0;      do	{	  preloads[i++] = l;	  l = l->l_next;	} while (l);      assert (i == npreloads);    }  /* Load all the libraries specified by DT_NEEDED entries.  If LD_PRELOAD     specified some libraries to load, these are inserted before the actual     dependencies in the executable's searchlist for symbol resolution.  */  HP_TIMING_NOW (start);  _dl_map_object_deps (_dl_loaded, preloads, npreloads, mode == trace);  HP_TIMING_NOW (stop);  HP_TIMING_DIFF (diff, start, stop);  HP_TIMING_ACCUM_NT (load_time, diff);  /* Mark all objects as being in the global scope and set the open     counter.  */  for (i = _dl_loaded->l_searchlist.r_nlist; i > 0; )    {      --i;      _dl_loaded->l_searchlist.r_list[i]->l_global = 1;      ++_dl_loaded->l_searchlist.r_list[i]->l_opencount;    }#ifndef MAP_ANON  /* We are done mapping things, so close the zero-fill descriptor.  */  __close (_dl_zerofd);  _dl_zerofd = -1;#endif  /* Remove _dl_rtld_map from the chain.  */  _dl_rtld_map.l_prev->l_next = _dl_rtld_map.l_next;  if (_dl_rtld_map.l_next)    _dl_rtld_map.l_next->l_prev = _dl_rtld_map.l_prev;  if (__builtin_expect (_dl_rtld_map.l_opencount, 2) > 1)    {      /* Some DT_NEEDED entry referred to the interpreter object itself, so	 put it back in the list of visible objects.  We insert it into the	 chain in symbol search order because gdb uses the chain's order as	 its symbol search order.  */      i = 1;      while (_dl_loaded->l_searchlist.r_list[i] != &_dl_rtld_map)	++i;      _dl_rtld_map.l_prev = _dl_loaded->l_searchlist.r_list[i - 1];      if (__builtin_expect (mode, normal) == normal)	_dl_rtld_map.l_next = (i + 1 < _dl_loaded->l_searchlist.r_nlist			       ? _dl_loaded->l_searchlist.r_list[i + 1]			       : NULL);      else	/* In trace mode there might be an invisible object (which we	   could not find) after the previous one in the search list.	   In this case it doesn't matter much where we put the	   interpreter object, so we just initialize the list pointer so	   that the assertion below holds.  */	_dl_rtld_map.l_next = _dl_rtld_map.l_prev->l_next;      assert (_dl_rtld_map.l_prev->l_next == _dl_rtld_map.l_next);      _dl_rtld_map.l_prev->l_next = &_dl_rtld_map;      if (_dl_rtld_map.l_next)	{	  assert (_dl_rtld_map.l_next->l_prev == _dl_rtld_map.l_prev);	  _dl_rtld_map.l_next->l_prev = &_dl_rtld_map;	}    }  /* Now let us see whether all libraries are available in the     versions we need.  */  {    struct version_check_args args;    args.doexit = mode == normal;    args.dotrace = mode == trace;    _dl_receive_error (print_missing_version, version_check_doit, &args);  }  if (__builtin_expect (mode, normal) != normal)    {      /* We were run just to list the shared libraries.  It is	 important that we do this before real relocation, because the	 functions we call below for output may no longer work properly	 after relocation.  */      if (! _dl_loaded->l_info[DT_NEEDED])	_dl_sysdep_message ("\t", "statically linked\n", NULL);      else	{	  struct link_map *l;	  for (l = _dl_loaded->l_next; l; l = l->l_next)	    if (l->l_faked)	      /* The library was not found.  */	      _dl_sysdep_message ("\t", l->l_libname->name, " => not found\n",				  NULL);	    else	      {		char buf[20], *bp;		buf[sizeof buf - 1] = '\0';		bp = _itoa_word (l->l_addr, &buf[sizeof buf - 1], 16, 0);		while ((size_t) (&buf[sizeof buf - 1] - bp)		       < sizeof l->l_addr * 2)		  *--bp = '0';		_dl_sysdep_message ("\t", l->l_libname->name, " => ",				    l->l_name, " (0x", bp, ")\n", NULL);	      }	}      if (__builtin_expect (mode, trace) != trace)	for (i = 1; i < _dl_argc; ++i)	  {	    const ElfW(Sym) *ref = NULL;	    ElfW(Addr) loadbase;	    lookup_t result;	    char buf[20], *bp;	    result = _dl_lookup_symbol (_dl_argv[i], _dl_loaded,					&ref, _dl_loaded->l_scope,					ELF_MACHINE_JMP_SLOT, 1);	    loadbase = LOOKUP_VALUE_ADDRESS (result);	    buf[sizeof buf - 1] = '\0';	    bp = _itoa_word (ref->st_value, &buf[sizeof buf - 1], 16, 0);	    while ((size_t) (&buf[sizeof buf - 1] - bp) < sizeof loadbase * 2)	      *--bp = '0';	    _dl_sysdep_message (_dl_argv[i], " found at 0x", bp, NULL);	    buf[sizeof buf - 1] = '\0';	    bp = _itoa_word (loadbase, &buf[sizeof buf - 1], 16, 0);	    while ((size_t) (&buf[sizeof buf - 1] - bp) < sizeof loadbase * 2)	      *--bp = '0';	    _dl_sysdep_message (" in object at 0x", bp, "\n", NULL);	  }      else	{	  if (_dl_lazy >= 0)	    {	      /* We have to do symbol dependency testing.  */	      struct relocate_args args;	      struct link_map *l;	      args.lazy = _dl_lazy;	      l = _dl_loaded;	      while (l->l_next)		l = l->l_next;	      do		{		  if (l != &_dl_rtld_map && ! l->l_faked)		    {		      args.l = l;		      _dl_receive_error (print_unresolved, relocate_doit,					 &args);		    }		  l = l->l_prev;		} while (l);	    }#define VERNEEDTAG (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGIDX (DT_VERNEED))	  if (version_info)	    {	      /* Print more information.  This means here, print information		 about the versions needed.  */	      int first = 1;	      struct link_map *map = _dl_loaded;	      for (map = _dl_loaded; map != NULL; map = map->l_next)		{		  const char *strtab;		  ElfW(Dyn) *dyn = map->l_info[VERNEEDTAG];		  ElfW(Verneed) *ent;		  if (dyn == NULL)		    continue;		  strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);		  ent = (ElfW(Verneed) *) (map->l_addr + dyn->d_un.d_ptr);		  if (first)		    {		      _dl_sysdep_message ("\n\tVersion information:\n", NULL);		      first = 0;		    }		  _dl_sysdep_message ("\t", (map->l_name[0]					     ? map->l_name : _dl_argv[0]),				      ":\n", NULL);		  while (1)		    {		      ElfW(Vernaux) *aux;		      struct link_map *needed;		      needed = find_needed (strtab + ent->vn_file);		      aux = (ElfW(Vernaux) *) ((char *) ent + ent->vn_aux);		      while (1)			{			  const char *fname = NULL;			  _dl_sysdep_message ("\t\t",					      strtab + ent->vn_file,					      " (", strtab + aux->vna_name,					      ") ",					      (aux->vna_flags					       & VER_FLG_WEAK					       ? "[WEAK] " : ""),					      "=> ", NULL);			  if (needed != NULL			      && match_version (strtab+aux->vna_name, needed))			    fname = needed->l_name;			  _dl_sysdep_message (fname ?: "not found", "\n",					      NULL);			  if (aux->vna_next == 0)			    /* No more symbols.  */			    break;			  /* Next symbol.  */			  aux = (ElfW(Vernaux) *) ((char *) aux						   + aux->vna_next);			}		      if (ent->vn_next == 0)			/* No more dependencies.  */			break;		      /* Next dependency.  */		      ent = (ElfW(Verneed) *) ((char *) ent + ent->vn_next);		    }		}	    }	}      _exit (0);    }  {    /* Now we have all the objects loaded.  Relocate them all except for       the dynamic linker itself.  We do this in reverse order so that copy       relocs of earlier objects overwrite the data written by later       objects.  We do not re-relocate the dynamic linker itself in this       loop because that could result in the GOT entries for functions we       call being changed, and that would break us.  It is safe to relocate       the dynamic linker out of order because it has no copy relocs (we       know that because it is self-contained).  */    struct link_map *l;    int consider_profiling = _dl_profile != NULL;#ifndef HP_TIMING_NONAVAIL    hp_timing_t start;    hp_timing_t stop;    hp_timing_t add;#endif    /* If we are profiling we also must do lazy reloaction.  */    _dl_lazy |= consider_profiling;    l = _dl_loaded;    while (l->l_next)      l = l->l_next;    HP_TIMING_NOW (start);    do      {	/* While we are at it, help the memory handling a bit.  We have to	   mark some data structures as allocated with the fake malloc()	   implementation in ld.so.  */	struct libname_list *lnp = l->l_libname->next;	while (__builtin_expect (lnp != NULL, 0))	  {	    lnp->dont_free = 1;	    lnp = lnp->next;	  }	if (l != &_dl_rtld_map)	  _dl_relocate_object (l, l->l_scope, _dl_lazy, consider_profiling);	l = l->l_prev;      }    while (l);    HP_TIMING_NOW (stop);    HP_TIMING_DIFF (relocate_time, start, stop);    /* Do any necessary cleanups for the startup OS interface code.       We do these now so that no calls are made after rtld re-relocation       which might be resolved to different functions than we expect.       We cannot do this before relocating the other objects because       _dl_relocate_object might need to call `mprotect' for DT_TEXTREL.  */    _dl_sysdep_start_cleanup ();    /* Now enable profiling if needed.  Like the previous call,       this has to go here because the calls it makes should use the       rtld versions of the functions (particularly calloc()), but it       needs to have _dl_profile_map set up by the relocator.  */    if (__builtin_expect (_dl_profile_map != NULL, 0))      /* We must prepare the profiling.  */      _dl_start_profile (_dl_profile_map, _dl_profile_output);    if (_dl_rtld_map.l_opencount > 1)      {	/* There was an explicit ref to the dynamic linker as a shared lib.	   Re-relocate ourselves with user-controlled symbol definitions.  */	HP_TIMING_NOW (start);	_dl_relocate_object (&_dl_rtld_map, _dl_loaded->l_scope, 0, 0);	HP_TIMING_NOW (stop);	HP_TIMING_DIFF (add, start, stop);	HP_TIMING_ACCUM_NT (relocate_time, add);      }  }  /* Now set up the variable which helps the assembler startup code.  */  _dl_main_searchlist = &_dl_loaded->l_searchlist;  _dl_global_scope[0] = &_dl_loaded->l_searchlist;  /* Safe the information about the original global scope list since     we need it in the memory handling later.  */  _dl_initial_searchlist = *_dl_main_searchlist;  {    /* Initialize _r_debug.  */    struct r_debug *r = _dl_debug_initialize (_dl_rtld_map.l_addr);    struct link_map *l;    l = _dl_loaded;#ifdef ELF_MACHINE_DEBUG_SETUP    /* Some machines (e.g. MIPS) don't use DT_DEBUG in this way.  */    ELF_MACHINE_DEBUG_SETUP (l, r);    ELF_MACHINE_DEBUG_SETUP (&_dl_rtld_map, r);#else    if (l->l_info[DT_DEBUG])      /* There is a DT_DEBUG entry in the dynamic section.  Fill it in	 with the run-time address of the r_debug structure  */      l->l_info[DT_DEBUG]->d_un.d_ptr = (ElfW(Addr)) r;    /* Fill in the pointer in the dynamic linker's own dynamic section, in       case you run gdb on the dynamic linker directly.  */    if (_dl_rtld_map.l_info[DT_DEBUG])      _dl_rtld_map.l_info[DT_DEBUG]->d_un.d_ptr = (ElfW(Addr)) r;#endif    /* Notify the debugger that all objects are now mapped in.  */    r->r_state = RT_ADD;    _dl_debug_state ();  }#ifndef MAP_COPY  /* We must munmap() the cache file.  */  _dl_unload_cache ();#endif  /* Once we return, _dl_sysdep_start will invoke     the DT_INIT functions and then *USER_ENTRY.  */}