Update.

2002-03-01  Ulrich Drepper  <drepper@redhat.com>

	* elf/Makefile (dl-routines): Add dl-origin.
	(elide-routines.os): Add dl-origin.
	* elf/Versions [ld] (GLIBC_PRIVATE): Add _dl_get_origin.
	* elf/dl-debug.c (_dl_debug_initialize): Add missing INTUSE around
	_dl_debug_state.
	* include/libc-symbols.c: Define attribute_hidden depending on
	HAVE_VISIBILITY_ATTRIBUTE.  Add definition of INTVARDEF.

	* elf/dl-deps.c: Use INTUSE with __libc_enable_secure.
	* elf/dl-load.c: Likewise.
	* elf/rtld.c: Likewise.
	* include/unistd.h: Declare __libc_enable_secure_internal.
	* sysdeps/generic/dl-sysdep.c: Use INTVARDEF with __libc_enable_secure.
	Use INTUSE with __libc_enable_secure.
	* sysdeps/mach/hurd/dl-sysdep.c: Likewise.

	* elf/dl-deps.c: Use INTUSE with _dl_out_of_memory.
	* elf/dl-error.c: Likewise,
	* sysdeps/generic/ldsodefs.h: Declare _dl_out_of_memory_internal.

	* elf/dl-dst.h [_RTLD_GLOBAL]: Define _dl_get_origin to use INTUSE.
	* sysdeps/generic/dl-origin.c: Undefine _dl_get_origin macro before
	function definition.  Use INTDEF with _dl_get_origin.
	* sysdeps/unix/sysv/linux/dl-origin.c: Likewise.

	* elf/dl-init.c: Use INTUSE with _dl_starting_up.
	* elf/rtld.c: Likewise.  Use INTVARDEF for _dl_starting_up.

	* elf/dl-profile.c: Use INTDEF for _dl_mcount.
	* elf/dl-runtime.c: Use INTUSE with _dl_mcount.
	* sysdeps/generic/ldsodefs.h: Declare _dl_mcount_internal.

	* elf/dl-conflict.c: Use rtld_progrname instead of _dl_argv[0].
	* elf/dl-deps.c: Likewise.
	* elf/dl-error.c: Likewise.
	* elf/dl-fini.c: Likewise.
	* elf/dl-init.c: Likewise.
	* elf/dl-load.c: Likewise.
	* elf/dl-lookup.c: Likewise.
	* elf/dl-reloc.c: Likewise.
	* elf/dl-version.c: Likewise.
	* elf/do-lookup.h: Likewise.
	* sysdeps/arm/dl-machine.h: Likewise.
	* sysdeps/cris/dl-machine.h: Likewise.
	* sysdeps/hppa/dl-machine.h: Likewise.
	* sysdeps/i386/dl-machine.h: Likewise.
	* sysdeps/m68k/dl-machine.h: Likewise.
	* sysdeps/powerpc/dl-machine.h: Likewise.
	* sysdeps/s390/s390-32/dl-machine.h: Likewise.
	* sysdeps/s390/s390-64/dl-machine.h: Likewise.
	* sysdeps/sh/dl-machine.h: Likewise.
	* sysdeps/sparc/sparc-32/dl-machine.h: Likewise.
	* sysdeps/sparc/sparc-64/dl-machine.h: Likewise.
	* sysdeps/x86_64/dl-machine.h: Likewise.
	* elf/rtld.c: Use INTDEF for _dl_argv.  Use rtld_progrname instead of
	_dl_argv[0].  Use INTUSE with _dl_argv.
	* sysdeps/generic/dl-sysdep.c: Use INTUSE with _dl_argv.
	* sysdeps/generic/ldsodefs.h: Define rtld_progname macro.

ChangeLog

@@ -1,3 +1,64 @@
+2002-03-01  Ulrich Drepper  <drepper@redhat.com>
+
+	* elf/Makefile (dl-routines): Add dl-origin.
+	(elide-routines.os): Add dl-origin.
+	* elf/Versions [ld] (GLIBC_PRIVATE): Add _dl_get_origin.
+	* elf/dl-debug.c (_dl_debug_initialize): Add missing INTUSE around
+	_dl_debug_state.
+	* include/libc-symbols.c: Define attribute_hidden depending on
+	HAVE_VISIBILITY_ATTRIBUTE.  Add definition of INTVARDEF.
+
+	* elf/dl-deps.c: Use INTUSE with __libc_enable_secure.
+	* elf/dl-load.c: Likewise.
+	* elf/rtld.c: Likewise.
+	* include/unistd.h: Declare __libc_enable_secure_internal.
+	* sysdeps/generic/dl-sysdep.c: Use INTVARDEF with __libc_enable_secure.
+	Use INTUSE with __libc_enable_secure.
+	* sysdeps/mach/hurd/dl-sysdep.c: Likewise.
+
+	* elf/dl-deps.c: Use INTUSE with _dl_out_of_memory.
+	* elf/dl-error.c: Likewise,
+	* sysdeps/generic/ldsodefs.h: Declare _dl_out_of_memory_internal.
+
+	* elf/dl-dst.h [_RTLD_GLOBAL]: Define _dl_get_origin to use INTUSE.
+	* sysdeps/generic/dl-origin.c: Undefine _dl_get_origin macro before
+	function definition.  Use INTDEF with _dl_get_origin.
+	* sysdeps/unix/sysv/linux/dl-origin.c: Likewise.
+
+	* elf/dl-init.c: Use INTUSE with _dl_starting_up.
+	* elf/rtld.c: Likewise.  Use INTVARDEF for _dl_starting_up.
+
+	* elf/dl-profile.c: Use INTDEF for _dl_mcount.
+	* elf/dl-runtime.c: Use INTUSE with _dl_mcount.
+	* sysdeps/generic/ldsodefs.h: Declare _dl_mcount_internal.
+
+	* elf/dl-conflict.c: Use rtld_progrname instead of _dl_argv[0].
+	* elf/dl-deps.c: Likewise.
+	* elf/dl-error.c: Likewise.
+	* elf/dl-fini.c: Likewise.
+	* elf/dl-init.c: Likewise.
+	* elf/dl-load.c: Likewise.
+	* elf/dl-lookup.c: Likewise.
+	* elf/dl-reloc.c: Likewise.
+	* elf/dl-version.c: Likewise.
+	* elf/do-lookup.h: Likewise.
+	* sysdeps/arm/dl-machine.h: Likewise.
+	* sysdeps/cris/dl-machine.h: Likewise.
+	* sysdeps/hppa/dl-machine.h: Likewise.
+	* sysdeps/i386/dl-machine.h: Likewise.
+	* sysdeps/m68k/dl-machine.h: Likewise.
+	* sysdeps/powerpc/dl-machine.h: Likewise.
+	* sysdeps/s390/s390-32/dl-machine.h: Likewise.
+	* sysdeps/s390/s390-64/dl-machine.h: Likewise.
+	* sysdeps/sh/dl-machine.h: Likewise.
+	* sysdeps/sparc/sparc-32/dl-machine.h: Likewise.
+	* sysdeps/sparc/sparc-64/dl-machine.h: Likewise.
+	* sysdeps/x86_64/dl-machine.h: Likewise.
+	* elf/rtld.c: Use INTDEF for _dl_argv.  Use rtld_progrname instead of
+	_dl_argv[0].  Use INTUSE with _dl_argv.
+	* sysdeps/generic/dl-sysdep.c: Use INTUSE with _dl_argv.
+	* sysdeps/generic/ldsodefs.h: Define rtld_progname macro.
+
 2002-02-28  Jakub Jelinek  <jakub@redhat.com>
 
 	* elf/rtld.c (_rtld_global): Remove .protected.

elf/Makefile

@@ -29,11 +29,11 @@ routines	= $(dl-routines) dl-open dl-close dl-support dl-iteratephdr \
 # profiled libraries.
 dl-routines	= $(addprefix dl-,load cache lookup object reloc deps \
 			          runtime error init fini debug misc \
-				  version profile conflict tls)
+				  version profile conflict tls origin)
 all-dl-routines = $(dl-routines) $(sysdep-dl-routines)
 # But they are absent from the shared libc, because that code is in ld.so.
 elide-routines.os = $(all-dl-routines) dl-support enbl-secure \
-		    dl-iteratephdr-static
+		    dl-iteratephdr-static dl-origin
 
 # ld.so uses those routines, plus some special stuff for being the program
 # interpreter and operating independent of libc.

elf/Versions

@@ -50,5 +50,6 @@ ld {
     _dl_relocate_object; _dl_signal_error; _dl_start_profile; _dl_starting_up;
     _dl_unload_cache;
     _rtld_global; _dl_tls_symaddr; _dl_allocate_tls; _dl_deallocate_tls;
+    _dl_get_origin;
   }
 }

elf/dl-conflict.c

@@ -35,7 +35,7 @@ _dl_resolve_conflicts (struct link_map *l, ElfW(Rela) *conflict,
 {
   if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_RELOC, 0))
     _dl_printf ("\nconflict processing: %s\n",
-		l->l_name[0] ? l->l_name : _dl_argv[0]);
+		l->l_name[0] ? l->l_name : rtld_progname);
 
   {
     /* Do the conflict relocation of the object and library GOT and other

elf/dl-debug.c

@@ -40,7 +40,7 @@ _dl_debug_initialize (ElfW(Addr) ldbase)
       _r_debug.r_version = 1	/* R_DEBUG_VERSION XXX */;
       _r_debug.r_ldbase = ldbase;
       _r_debug.r_map = GL(dl_loaded);
-      _r_debug.r_brk = (ElfW(Addr)) &_dl_debug_state;
+      _r_debug.r_brk = (ElfW(Addr)) &INTUSE(_dl_debug_state);
     }
 
   return &_r_debug;

elf/dl-deps.c

@@ -107,7 +107,7 @@ struct list
 	char *__newp;							      \
 									      \
 	/* DST must not appear in SUID/SGID programs.  */		      \
-	if (__libc_enable_secure)					      \
+	if (INTUSE(__libc_enable_secure))				      \
 	  INTUSE(_dl_signal_error) (0, __str, NULL, N_("\
 DST not allowed in SUID/SGID programs"));				      \
 									      \
@@ -297,7 +297,7 @@ _dl_map_object_deps (struct link_map *map,
 						" requested by file=%s\n",
 						name,
 						l->l_name[0]
-						? l->l_name : _dl_argv[0]);
+						? l->l_name : rtld_progname);
 
 		    /* We must be prepared that the addressed shared
 		       object is not available.  */
@@ -307,7 +307,7 @@ _dl_map_object_deps (struct link_map *map,
 		      {
 			/* We are not interested in the error message.  */
 			assert (errstring != NULL);
-			if (errstring != _dl_out_of_memory)
+			if (errstring != INTUSE(_dl_out_of_memory))
 			  free ((char *) errstring);
 
 			/* Simply ignore this error and continue the work.  */
@@ -325,7 +325,7 @@ _dl_map_object_deps (struct link_map *map,
 						" requested by file=%s\n",
 						name,
 						l->l_name[0]
-						? l->l_name : _dl_argv[0]);
+						? l->l_name : rtld_progname);
 
 		    /* For filter objects the dependency must be available.  */
 		    err = INTUSE(_dl_catch_error) (&objname, &errstring,

elf/dl-dst.h

@@ -62,6 +62,11 @@ extern size_t _dl_dst_count_internal (const char *name, int is_path);
 
 /* Find origin of the executable.  */
 extern const char *_dl_get_origin (void);
+extern const char *_dl_get_origin_internal (void);
+
+#ifdef _RTLD_LOCAL
+# define _dl_get_origin INTUSE(_dl_get_origin)
+#endif
 
 /* Prototype for used function.  */
 extern char *_dl_dst_substitute (struct link_map *l, const char *name,

elf/dl-error.c

@@ -49,6 +49,7 @@ __libc_tsd_define (static, DL_ERROR)
    variable since we have to avoid freeing it and so have to enable
    a pointer comparison.  See below and in dlfcn/dlerror.c.  */
 const char _dl_out_of_memory[] = "out of memory";
+INTVARDEF(_dl_out_of_memory)
 
 
 /* This points to a function which is called when an continuable error is
@@ -92,7 +93,7 @@ _dl_signal_error (int errcode, const char *objname, const char *occation,
 	{
 	  /* This is better than nothing.  */
 	  lcatch->objname = "";
-	  lcatch->errstring = _dl_out_of_memory;
+	  lcatch->errstring = INTUSE(_dl_out_of_memory);
 	}
       longjmp (lcatch->env, errcode ?: -1);
     }
@@ -101,7 +102,7 @@ _dl_signal_error (int errcode, const char *objname, const char *occation,
       /* Lossage while resolving the program's own symbols is always fatal.  */
       char buffer[1024];
       _dl_fatal_printf ("%s: %s: %s%s%s%s%s\n",
-			_dl_argv[0] ?: "<program name unknown>",
+			rtld_progname ?: "<program name unknown>",
 			occation ?: N_("error while loading shared libraries"),
 			objname, *objname ? ": " : "",
 			errstring, errcode ? ": " : "",

elf/dl-fini.c

@@ -148,7 +148,8 @@ _dl_fini (void)
 	  /* When debugging print a message first.  */
 	  if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_IMPCALLS, 0))
 	    INTUSE(_dl_debug_printf) ("\ncalling fini: %s\n\n",
-				      l->l_name[0] ? l->l_name : _dl_argv[0]);
+				      l->l_name[0]
+				      ? l->l_name : rtld_progname);
 
 	  /* First see whether an array is given.  */
 	  if (l->l_info[DT_FINI_ARRAY] != NULL)

elf/dl-init.c

@@ -26,6 +26,7 @@ typedef void (*init_t) (int, char **, char **);
 
 /* Flag, nonzero during startup phase.  */
 extern int _dl_starting_up;
+extern int _dl_starting_up_internal attribute_hidden;
 
 
 static void
@@ -52,7 +53,7 @@ call_init (struct link_map *l, int argc, char **argv, char **env)
   /* Print a debug message if wanted.  */
   if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_IMPCALLS, 0))
     INTUSE(_dl_debug_printf) ("\ncalling init: %s\n\n",
-			      l->l_name[0] ? l->l_name : _dl_argv[0]);
+			      l->l_name[0] ? l->l_name : rtld_progname);
 
   /* Now run the local constructors.  There are two forms of them:
      - the one named by DT_INIT
@@ -108,7 +109,7 @@ _dl_init (struct link_map *main_map, int argc, char **argv, char **env)
       if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_IMPCALLS, 0))
 	INTUSE(_dl_debug_printf) ("\ncalling preinit: %s\n\n",
 				  main_map->l_name[0]
-				  ? main_map->l_name : _dl_argv[0]);
+				  ? main_map->l_name : rtld_progname);
 
       addrs = (ElfW(Addr) *) (main_map->l_info[DT_PREINIT_ARRAY]->d_un.d_ptr
 			      + main_map->l_addr);
@@ -142,6 +143,6 @@ _dl_init (struct link_map *main_map, int argc, char **argv, char **env)
   INTUSE(_dl_debug_state) ();
 
   /* Finished starting up.  */
-  _dl_starting_up = 0;
+  INTUSE(_dl_starting_up) = 0;
 }
 INTDEF (_dl_init)

elf/dl-load.c

@@ -201,7 +201,7 @@ _dl_dst_count (const char *name, int is_path)
 	 is $ORIGIN alone) and it must always appear first in path.  */
       ++name;
       if ((len = is_dst (start, name, "ORIGIN", is_path,
-			 __libc_enable_secure)) != 0
+			 INTUSE(__libc_enable_secure))) != 0
 	  || ((len = is_dst (start, name, "PLATFORM", is_path, 0))
 	      != 0))
 	++cnt;
@@ -237,7 +237,7 @@ _dl_dst_substitute (struct link_map *l, const char *name, char *result,
 
 	  ++name;
 	  if ((len = is_dst (start, name, "ORIGIN", is_path,
-			     __libc_enable_secure)) != 0)
+			     INTUSE(__libc_enable_secure))) != 0)
 	    repl = l->l_origin;
 	  else if ((len = is_dst (start, name, "PLATFORM", is_path,
 				  0)) != 0)
@@ -494,7 +494,7 @@ decompose_rpath (struct r_search_path_struct *sps,
   /* First see whether we must forget the RUNPATH and RPATH from this
      object.  */
   if (__builtin_expect (GL(dl_inhibit_rpath) != NULL, 0)
-      && !__libc_enable_secure)
+      && !INTUSE(__libc_enable_secure))
     {
       const char *inhp = GL(dl_inhibit_rpath);
 
@@ -711,7 +711,8 @@ _dl_init_paths (const char *llp)
 	}
 
       (void) fillin_rpath (llp_tmp, env_path_list.dirs, ":;",
-			   __libc_enable_secure, "LD_LIBRARY_PATH", NULL);
+			   INTUSE(__libc_enable_secure), "LD_LIBRARY_PATH",
+			   NULL);
 
       if (env_path_list.dirs[0] == NULL)
 	{
@@ -1268,7 +1269,7 @@ print_search_path (struct r_search_path_elem **list,
 
   if (name != NULL)
     _dl_debug_printf_c ("\t\t(%s from file %s)\n", what,
-			name[0] ? name : _dl_argv[0]);
+			name[0] ? name : rtld_progname);
   else
     _dl_debug_printf_c ("\t\t(%s)\n", what);
 }
@@ -1542,7 +1543,7 @@ open_path (const char *name, size_t namelen, int preloaded,
 	  here_any |= this_dir->status[cnt] == existing;
 
 	  if (fd != -1 && __builtin_expect (preloaded, 0)
-	      && __libc_enable_secure)
+	      && INTUSE(__libc_enable_secure))
 	    {
 	      /* This is an extra security effort to make sure nobody can
 		 preload broken shared objects which are in the trusted
@@ -1649,7 +1650,8 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded,
   if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_FILES, 0)
       && loader != NULL)
     INTUSE(_dl_debug_printf) ("\nfile=%s;  needed by %s\n", name,
-			      loader->l_name[0] ? loader->l_name : _dl_argv[0]);
+			      loader->l_name[0]
+			      ? loader->l_name : rtld_progname);
 
   if (strchr (name, '/') == NULL)
     {
@@ -1740,7 +1742,8 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded,
 	}
 
       if (fd == -1
-	  && (__builtin_expect (! preloaded, 1) || ! __libc_enable_secure))
+	  && (__builtin_expect (! preloaded, 1)
+	      || ! INTUSE(__libc_enable_secure)))
 	{
 	  /* Check the list of libraries in the file /etc/ld.so.cache,
 	     for compatibility with Linux's ldconfig program.  */

elf/dl-lookup.c

@@ -171,9 +171,9 @@ add_dependency (struct link_map *undef_map, struct link_map *map)
       if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_FILES, 0))
 	INTUSE(_dl_debug_printf) ("\
 \nfile=%s;  needed by %s (relocation dependency)\n\n",
-				  map->l_name[0] ? map->l_name : _dl_argv[0],
+				  map->l_name[0] ? map->l_name : rtld_progname,
 				  undef_map->l_name[0]
-				  ? undef_map->l_name : _dl_argv[0]);
+				  ? undef_map->l_name : rtld_progname);
     }
   else
     /* Whoa, that was bad luck.  We have to search again.  */
@@ -256,7 +256,7 @@ _dl_lookup_symbol (const char *undef_name, struct link_map *undef_map,
 	/* XXX We cannot translate the messages.  */
 	_dl_signal_cerror (0, (reference_name[0]
 			       ? reference_name
-			       : (_dl_argv[0] ?: "<main program>")),
+			       : (rtld_progname ?: "<main program>")),
 			   N_("relocation error"),
 			   make_string (undefined_msg, undef_name));
       *ref = NULL;
@@ -419,7 +419,7 @@ _dl_lookup_versioned_symbol (const char *undef_name,
 	  /* XXX We cannot translate the message.  */
 	  _dl_signal_cerror (0, (reference_name[0]
 				 ? reference_name
-				 : (_dl_argv[0] ?: "<main program>")),
+				 : (rtld_progname ?: "<main program>")),
 			     N_("relocation error"),
 			     make_string ("symbol ", undef_name, ", version ",
 					  version->name,
@@ -443,7 +443,7 @@ _dl_lookup_versioned_symbol (const char *undef_name,
 	  /* XXX We cannot translate the message.  */
 	  _dl_signal_cerror (0, (reference_name[0]
 				 ? reference_name
-				 : (_dl_argv[0] ?: "<main program>")), NULL,
+				 : (rtld_progname ?: "<main program>")), NULL,
 			     make_string (undefined_msg, undef_name,
 					  ", version ",
 					  version->name ?: NULL));
@@ -528,7 +528,7 @@ _dl_lookup_versioned_symbol_skip (const char *undef_name,
 	  /* XXX We cannot translate the messages.  */
 	  _dl_signal_cerror (0, (reference_name[0]
 				 ? reference_name
-				 : (_dl_argv[0] ?: "<main program>")),
+				 : (rtld_progname ?: "<main program>")),
 			     NULL, buf);
 	}
       *ref = NULL;
@@ -604,9 +604,9 @@ _dl_debug_bindings (const char *undef_name, struct link_map *undef_map,
       INTUSE(_dl_debug_printf) ("binding file %s to %s: %s symbol `%s'",
 				(reference_name[0]
 				 ? reference_name
-				 : (_dl_argv[0] ?: "<main program>")),
+				 : (rtld_progname ?: "<main program>")),
 				value->m->l_name[0]
-				? value->m->l_name : _dl_argv[0],
+				? value->m->l_name : rtld_progname,
 				protected ? "protected" : "normal",
 				undef_name);
       if (version)

elf/dl-profile.c

@@ -558,3 +558,4 @@ _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc)
  done:
   ;
 }
+INTDEF(_dl_mcount)

elf/dl-reloc.c

@@ -60,7 +60,7 @@ _dl_relocate_object (struct link_map *l, struct r_scope_elem *scope[],
 
   if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_RELOC, 0))
     INTUSE(_dl_debug_printf) ("\nrelocation processing: %s%s\n",
-			      l->l_name[0] ? l->l_name : _dl_argv[0],
+			      l->l_name[0] ? l->l_name : rtld_progname,
 			      lazy ? " (lazy)" : "");
 
   /* DT_TEXTREL is now in level 2 and might phase out at some time.
@@ -172,7 +172,7 @@ _dl_relocate_object (struct link_map *l, struct r_scope_elem *scope[],
 	    errstring = N_("%s: profiler found no PLTREL in object %s\n");
 	  fatal:
 	    _dl_fatal_printf (errstring,
-			      _dl_argv[0] ?: "<program name unknown>",
+			      rtld_progname ?: "<program name unknown>",
 			      l->l_name);
 	  }
 

elf/dl-runtime.c

@@ -136,7 +136,7 @@ profile_fixup (
 #endif
        struct link_map *l, ElfW(Word) reloc_offset, ElfW(Addr) retaddr)
 {
-  void (*mcount_fct) (ElfW(Addr), ElfW(Addr)) = _dl_mcount;
+  void (*mcount_fct) (ElfW(Addr), ElfW(Addr)) = INTUSE(_dl_mcount);
   ElfW(Addr) *resultp;
   lookup_t result;
   ElfW(Addr) value;

elf/dl-version.c

@@ -90,7 +90,7 @@ match_symbol (const char *name, ElfW(Word) hash, const char *string,
     INTUSE(_dl_debug_printf) ("\
 checking for version `%s' in file %s required by file %s\n",
 			      string, map->l_name[0]
-			      ? map->l_name : _dl_argv[0], name);
+			      ? map->l_name : rtld_progname, name);
 
   if (__builtin_expect (map->l_info[VERSYMIDX (DT_VERDEF)] == NULL, 0))
     {
@@ -166,7 +166,7 @@ no version information available (required by ", name, ")");
 			   name, ")");
   result = 1;
  call_cerror:
-  _dl_signal_cerror (0, map->l_name[0] ? map->l_name : _dl_argv[0],
+  _dl_signal_cerror (0, map->l_name[0] ? map->l_name : rtld_progname,
 		     NULL, errstring);
   return result;
 }
@@ -215,7 +215,7 @@ _dl_check_map_versions (struct link_map *map, int verbose, int trace_mode)
 				   " of Verneed record\n");
 	call_error:
 	  INTUSE(_dl_signal_error) (errval, (*map->l_name
-					     ? map->l_name : _dl_argv[0]),
+					     ? map->l_name : rtld_progname),
 				    NULL, errstring);
 	}
 
@@ -240,7 +240,7 @@ _dl_check_map_versions (struct link_map *map, int verbose, int trace_mode)
 		{
 		  /* Match the symbol.  */
 		  result |= match_symbol ((*map->l_name
-					   ? map->l_name : _dl_argv[0]),
+					   ? map->l_name : rtld_progname),
 					  aux->vna_hash,
 					  strtab + aux->vna_name,
 					  needed, verbose,

elf/do-lookup.h

@@ -61,8 +61,9 @@ FCT (const char *undef_name, unsigned long int hash, const ElfW(Sym) *ref,
 
       /* Print some debugging info if wanted.  */
       if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_SYMBOLS, 0))
-	INTUSE(_dl_debug_printf) ("symbol=%s;  lookup in file=%s\n", undef_name,
+	INTUSE(_dl_debug_printf) ("symbol=%s;  lookup in file=%s\n",
-				  map->l_name[0] ? map->l_name : _dl_argv[0]);
+				  undef_name, (map->l_name[0]
+					       ? map->l_name : rtld_progname));
 
       symtab = (const void *) D_PTR (map, l_info[DT_SYMTAB]);
       strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);

elf/rtld.c

@@ -59,7 +59,8 @@ enum mode { normal, list, verify, trace };
 static void process_envvars (enum mode *modep);
 
 int _dl_argc;
-char **_dl_argv;
+char **_dl_argv = NULL;
+INTDEF(_dl_argv)
 unsigned int _dl_skip_args;	/* Nonzero if we were run directly.  */
 
 /* Set nonzero during loading and initialization of executable and
@@ -69,7 +70,8 @@ unsigned int _dl_skip_args;	/* Nonzero if we were run directly.  */
    definition seen by libc.so's initializer; that value must be zero,
    and will be since that dynamic linker's _dl_start and dl_main will
    never be called.  */
-int _dl_starting_up;
+int _dl_starting_up = 0;
+INTVARDEF(_dl_starting_up)
 
 /* This is the structure which defines all variables global to ld.so
    (except those which cannot be added for some reason).  */
@@ -489,7 +491,7 @@ dl_main (const ElfW(Phdr) *phdr,
   process_envvars (&mode);
 
   /* Set up a flag which tells we are just starting.  */
-  _dl_starting_up = 1;
+  INTUSE(_dl_starting_up) = 1;
 
   if (*user_entry == (ElfW(Addr)) ENTRY_POINT)
     {
@@ -511,41 +513,43 @@ dl_main (const ElfW(Phdr) *phdr,
       rtld_is_main = true;
 
       /* Note the place where the dynamic linker actually came from.  */
-      GL(dl_rtld_map).l_name = _dl_argv[0];
+      GL(dl_rtld_map).l_name = rtld_progname;
 
       while (_dl_argc > 1)
-	if (! strcmp (_dl_argv[1], "--list"))
+	if (! strcmp (INTUSE(_dl_argv)[1], "--list"))
 	  {
 	    mode = list;
 	    GL(dl_lazy) = -1;	/* This means do no dependency analysis.  */
 
 	    ++_dl_skip_args;
 	    --_dl_argc;
-	    ++_dl_argv;
+	    ++INTUSE(_dl_argv);
 	  }
-	else if (! strcmp (_dl_argv[1], "--verify"))
+	else if (! strcmp (INTUSE(_dl_argv)[1], "--verify"))
 	  {
 	    mode = verify;
 
 	    ++_dl_skip_args;
 	    --_dl_argc;
-	    ++_dl_argv;
+	    ++INTUSE(_dl_argv);
 	  }
-	else if (! strcmp (_dl_argv[1], "--library-path") && _dl_argc > 2)
+	else if (! strcmp (INTUSE(_dl_argv)[1], "--library-path")
+		 && _dl_argc > 2)
 	  {
-	    library_path = _dl_argv[2];
+	    library_path = INTUSE(_dl_argv)[2];
 
 	    _dl_skip_args += 2;
 	    _dl_argc -= 2;
-	    _dl_argv += 2;
+	    INTUSE(_dl_argv) += 2;
 	  }
-	else if (! strcmp (_dl_argv[1], "--inhibit-rpath") && _dl_argc > 2)
+	else if (! strcmp (INTUSE(_dl_argv)[1], "--inhibit-rpath")
+		 && _dl_argc > 2)
 	  {
-	    GL(dl_inhibit_rpath) = _dl_argv[2];
+	    GL(dl_inhibit_rpath) = INTUSE(_dl_argv)[2];
 
 	    _dl_skip_args += 2;
 	    _dl_argc -= 2;
-	    _dl_argv += 2;
+	    INTUSE(_dl_argv) += 2;
 	  }
 	else
 	  break;
@@ -577,7 +581,7 @@ of this helper program; chances are you did not intend to run this program.\n\
 
       ++_dl_skip_args;
       --_dl_argc;
-      ++_dl_argv;
+      ++INTUSE(_dl_argv);
 
       /* Initialize the data structures for the search paths for shared
 	 objects.  */
@@ -589,19 +593,17 @@ of this helper program; chances are you did not intend to run this program.\n\
 	  const char *err_str = NULL;
 	  struct map_args args;
 
-	  args.str = _dl_argv[0];
+	  args.str = rtld_progname;
 	  (void) INTUSE(_dl_catch_error) (&objname, &err_str, map_doit, &args);
 	  if (__builtin_expect (err_str != NULL, 0))
-	    {
+	    /* We don't free the returned string, the programs stops
-	      if (err_str != _dl_out_of_memory)
+	       anyway.  */
-		free ((char *) err_str);
 	    _exit (EXIT_FAILURE);
 	}
-	}
       else
 	{
 	  HP_TIMING_NOW (start);
-	  INTUSE(_dl_map_object) (NULL, _dl_argv[0], 0, lt_library, 0, 0);
+	  INTUSE(_dl_map_object) (NULL, rtld_progname, 0, lt_library, 0, 0);
 	  HP_TIMING_NOW (stop);
 
 	  HP_TIMING_DIFF (load_time, start, stop);
@@ -814,7 +816,7 @@ of this helper program; chances are you did not intend to run this program.\n\
       /* Prevent optimizing strsep.  Speed is not important here.  */
       while ((p = (strsep) (&list, " :")) != NULL)
 	if (p[0] != '\0'
-	    && (__builtin_expect (! __libc_enable_secure, 1)
+	    && (__builtin_expect (! INTUSE(__libc_enable_secure), 1)
 		|| strchr (p, '/') == NULL))
 	  {
 	    struct link_map *new_map = INTUSE(_dl_map_object) (GL(dl_loaded),
@@ -1029,9 +1031,9 @@ of this helper program; chances are you did not intend to run this program.\n\
 		    GL(dl_trace_prelink_map) = l;
 		  _dl_printf ("\t%s => %s (0x%0*Zx, 0x%0*Zx)\n",
 			      l->l_libname->name[0] ? l->l_libname->name
-			      : _dl_argv[0] ?: "<main program>",
+			      : rtld_progname ?: "<main program>",
 			      l->l_name[0] ? l->l_name
-			      : _dl_argv[0] ?: "<main program>",
+			      : rtld_progname ?: "<main program>",
 			      (int) sizeof l->l_map_start * 2,
 			      l->l_map_start,
 			      (int) sizeof l->l_addr * 2,
@@ -1058,14 +1060,15 @@ of this helper program; chances are you did not intend to run this program.\n\
 	    ElfW(Addr) loadbase;
 	    lookup_t result;
 
-	    result = INTUSE(_dl_lookup_symbol) (_dl_argv[i], GL(dl_loaded),
+	    result = INTUSE(_dl_lookup_symbol) (INTUSE(_dl_argv)[i],
+						GL(dl_loaded),
 						&ref, GL(dl_loaded)->l_scope,
 						ELF_RTYPE_CLASS_PLT, 1);
 
 	    loadbase = LOOKUP_VALUE_ADDRESS (result);
 
 	    _dl_printf ("%s found at 0x%0*Zd in object at 0x%0*Zd\n",
-			_dl_argv[i],
+			INTUSE(_dl_argv)[i],
 			(int) sizeof ref->st_value * 2, ref->st_value,
 			(int) sizeof loadbase * 2, loadbase);
 	  }
@@ -1127,7 +1130,7 @@ of this helper program; chances are you did not intend to run this program.\n\
 		    }
 
 		  _dl_printf ("\t%s:\n",
-			      map->l_name[0] ? map->l_name : _dl_argv[0]);
+			      map->l_name[0] ? map->l_name : rtld_progname);
 
 		  while (1)
 		    {
@@ -1459,7 +1462,7 @@ print_unresolved (int errcode __attribute__ ((unused)), const char *objname,
 		  const char *errstring)
 {
   if (objname[0] == '\0')
-    objname = _dl_argv[0] ?: "<main program>";
+    objname = rtld_progname ?: "<main program>";
   _dl_error_printf ("%s	(%s)\n", errstring, objname);
 }
 
@@ -1469,7 +1472,7 @@ static void
 print_missing_version (int errcode __attribute__ ((unused)),
 		       const char *objname, const char *errstring)
 {
-  _dl_error_printf ("%s: %s: %s\n", _dl_argv[0] ?: "<program name unknown>",
+  _dl_error_printf ("%s: %s: %s\n", rtld_progname ?: "<program name unknown>",
 		    objname, errstring);
 }
 
@@ -1585,8 +1588,8 @@ process_envvars (enum mode *modep)
   char *debug_output = NULL;
 
   /* This is the default place for profiling data file.  */
-  GL(dl_profile_output) = &"/var/tmp\0/var/profile"[__libc_enable_secure
+  GL(dl_profile_output)
-						    ? 9 : 0];
+    = &"/var/tmp\0/var/profile"[INTUSE(__libc_enable_secure) ? 9 : 0];
 
   while ((envline = _dl_next_ld_env_entry (&runp)) != NULL)
     {
@@ -1661,7 +1664,7 @@ process_envvars (enum mode *modep)
 
 	case 11:
 	  /* Path where the binary is found.  */
-	  if (!__libc_enable_secure
+	  if (!INTUSE(__libc_enable_secure)
 	      && memcmp (envline, "ORIGIN_PATH", 11) == 0)
 	    GL(dl_origin_path) = &envline[12];
 	  break;
@@ -1687,7 +1690,7 @@ process_envvars (enum mode *modep)
 
 	case 14:
 	  /* Where to place the profiling data file.  */
-	  if (!__libc_enable_secure
+	  if (!INTUSE(__libc_enable_secure)
 	      && memcmp (envline, "PROFILE_OUTPUT", 14) == 0
 	      && envline[15] != '\0')
 	    GL(dl_profile_output) = &envline[15];
@@ -1725,7 +1728,7 @@ process_envvars (enum mode *modep)
 
   /* Extra security for SUID binaries.  Remove all dangerous environment
      variables.  */
-  if (__builtin_expect (__libc_enable_secure, 0))
+  if (__builtin_expect (INTUSE(__libc_enable_secure), 0))
     {
       static const char unsecure_envvars[] =
 #ifdef EXTRA_UNSECURE_ENVVARS

include/libc-symbols.h

@@ -349,15 +349,27 @@
   strong_alias(real, name)
 #endif
 
+#if defined HAVE_VISIBILITY_ATTRIBUTE && defined SHARED
+# define attribute_hidden __attribute__ ((visibility ("hidden")))
+#else
+# define attribute_hidden
+#endif
+
 /* Handling on non-exported internal names.  We have to do this only
    for shared code.  */
 #ifdef SHARED
 # define INTUSE(name) name##_internal
-# define INTDEF(name) strong_alias (name, name##_internal);
+# define INTDEF(name) strong_alias (name, name##_internal)
-# define INTDEF2(name, newname) strong_alias (name, newname##_internal);
+# define INTVARDEF(name) \
+  _INTVARDEF(name, name##_internal)
+# define _INTVARDEF(name, aliasname) \
+  extern __typeof (name) aliasname __attribute__ ((visibility ("hidden"))); \
+  strong_alias (name, name##_internal)
+# define INTDEF2(name, newname) strong_alias (name, newname##_internal)
 #else
 # define INTUSE(name) name
 # define INTDEF(name)
+# define INTVARDEF(name)
 # define INTDEF2(name, newname)
 #endif
 

include/unistd.h

@@ -98,6 +98,10 @@ extern void *__sbrk (intptr_t __delta);
    and some functions contained in the C library ignore various
    environment variables that normally affect them.  */
 extern int __libc_enable_secure;
+#ifdef _RTLD_LOCAL
+/* XXX The #ifdef should go.  */
+extern int __libc_enable_secure_internal attribute_hidden;
+#endif
 
 
 /* Various internal function.  */

sysdeps/arm/dl-machine.h

@@ -377,11 +377,9 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rel *reloc,
 
 /* ARM never uses Elf32_Rela relocations for the dynamic linker.
    Prelinked libraries may use Elf32_Rela though.  */
-#ifdef RTLD_BOOTSTRAP
+# ifdef RTLD_BOOTSTRAP
-#define ELF_MACHINE_NO_RELA 1
+#  define ELF_MACHINE_NO_RELA 1
-#endif
+# endif
-
-extern char **_dl_argv;
 
 /* Deal with an out-of-range PC24 reloc.  */
 static Elf32_Addr
@@ -426,15 +424,15 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
 
   if (__builtin_expect (r_type == R_ARM_RELATIVE, 0))
     {
-#ifndef RTLD_BOOTSTRAP
+# ifndef RTLD_BOOTSTRAP
       if (map != &_dl_rtld_map) /* Already done in rtld itself.  */
-#endif
+# endif
 	*reloc_addr += map->l_addr;
     }
-#ifndef RTLD_BOOTSTRAP
+# ifndef RTLD_BOOTSTRAP
   else if (__builtin_expect (r_type == R_ARM_NONE, 0))
     return;
-#endif
+# endif
   else
     {
       const Elf32_Sym *const refsym = sym;
@@ -457,7 +455,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
 	      strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
@@ -465,17 +463,17 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
 	  break;
 	case R_ARM_GLOB_DAT:
 	case R_ARM_JUMP_SLOT:
-#ifdef RTLD_BOOTSTRAP
+# ifdef RTLD_BOOTSTRAP
 	  /* Fix weak undefined references.  */
 	  if (sym != NULL && sym->st_value == 0)
 	    *reloc_addr = 0;
 	  else
-#endif
+# endif
 	    *reloc_addr = value;
 	  break;
 	case R_ARM_ABS32:
 	  {
-#ifndef RTLD_BOOTSTRAP
+# ifndef RTLD_BOOTSTRAP
 	   /* This is defined in rtld.c, but nowhere in the static
 	      libc.a; make the reference weak so static programs can
 	      still link.  This declaration cannot be done when
@@ -492,7 +490,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
 		 rather than the dynamic linker's built-in definitions
 		 used while loading those libraries.  */
 	      value -= map->l_addr + refsym->st_value;
-#endif
+# endif
 	    *reloc_addr += value;
 	    break;
 	  }
@@ -529,7 +527,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
     }
 }
 
-#ifndef RTLD_BOOTSTRAP
+# ifndef RTLD_BOOTSTRAP
 static inline void
 elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 		  const Elf32_Sym *sym, const struct r_found_version *version,
@@ -539,10 +537,8 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 
   if (__builtin_expect (r_type == R_ARM_RELATIVE, 0))
     *reloc_addr = map->l_addr + reloc->r_addend;
-#ifndef RTLD_BOOTSTRAP
   else if (__builtin_expect (r_type == R_ARM_NONE, 0))
     return;
-#endif
   else
     {
       const Elf32_Sym *const refsym = sym;
@@ -585,7 +581,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	}
     }
 }
-#endif
+# endif
 
 static inline void
 elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
@@ -594,14 +590,14 @@ elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
   *reloc_addr += l_addr;
 }
 
-#ifndef RTLD_BOOTSTRAP
+# ifndef RTLD_BOOTSTRAP
 static inline void
 elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
 			   Elf32_Addr *const reloc_addr)
 {
   *reloc_addr = l_addr + reloc->r_addend;
 }
-#endif
+# endif
 
 static inline void
 elf_machine_lazy_rel (struct link_map *map,

sysdeps/cris/dl-machine.h

@@ -314,13 +314,12 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	  if (sym->st_size > refsym->st_size
 	      || (GL(dl_verbose) && sym->st_size < refsym->st_size))
 	    {
-	      extern char **_dl_argv;
 	      const char *strtab;
 
 	      strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,

sysdeps/generic/dl-origin.c

@@ -26,6 +26,7 @@
 #include <dl-dst.h>
 
 
+#undef _dl_get_origin
 const char *
 _dl_get_origin (void)
 {
@@ -49,3 +50,4 @@ _dl_get_origin (void)
 
   return result;
 }
+INTDEF(_dl_get_origin)

sysdeps/generic/dl-sysdep.c

@@ -47,7 +47,8 @@ extern void __libc_check_standard_fds (void);
 #ifdef NEED_DL_BASE_ADDR
 ElfW(Addr) _dl_base_addr;
 #endif
-int __libc_enable_secure;
+int __libc_enable_secure = 0;
+INTVARDEF(__libc_enable_secure)
 int __libc_multiple_libcs = 0;	/* Defining this here avoids the inclusion
 				   of init-first.  */
 /* This variable contains the lowest stack address ever used.  */
@@ -89,7 +90,7 @@ _dl_sysdep_start (void **start_argptr,
 # define set_seen(tag) seen |= M ((tag)->a_type)
 #endif
 
-  DL_FIND_ARG_COMPONENTS (start_argptr, _dl_argc, _dl_argv, _environ,
+  DL_FIND_ARG_COMPONENTS (start_argptr, _dl_argc, INTUSE(_dl_argv), _environ,
 			  _dl_auxv);
 
   user_entry = (ElfW(Addr)) ENTRY_POINT;
@@ -156,7 +157,7 @@ _dl_sysdep_start (void **start_argptr,
   SEE (EGID, egid);
 #endif
 
-  __libc_enable_secure = uid != euid || gid != egid;
+  INTUSE(__libc_enable_secure) = uid != euid || gid != egid;
 
 #ifndef HAVE_AUX_PAGESIZE
   if (GL(dl_pagesize) == 0)
@@ -186,7 +187,7 @@ _dl_sysdep_start (void **start_argptr,
   /* If this is a SUID program we make sure that FDs 0, 1, and 2 are
      allocated.  If necessary we are doing it ourself.  If it is not
      possible we stop the program.  */
-  if (__builtin_expect (__libc_enable_secure, 0))
+  if (__builtin_expect (INTUSE(__libc_enable_secure), 0))
     __libc_check_standard_fds ();
 
   (*dl_main) (phdr, phnum, &user_entry);

sysdeps/generic/ldsodefs.h

@@ -394,9 +394,19 @@ extern struct rtld_global _rtld_local __rtld_local_attribute__;
 /* Parameters passed to the dynamic linker.  */
 extern int _dl_argc;
 extern char **_dl_argv;
+#ifdef _RTLD_LOCAL
+extern char **_dl_argv_internal attribute_hidden;
+# define rtld_progname (INTUSE(_dl_argv)[0])
+#else
+# define rtld_progname _dl_argv[0]
+#endif
 
 /* The array with message we print as a last resort.  */
 extern const char _dl_out_of_memory[];
+#ifdef _RTLD_LOCAL
+/* XXX #ifdef should go away.  */
+extern const char _dl_out_of_memory_internal[] attribute_hidden;
+#endif
 
 
 /* OS-dependent function to open the zero-fill device.  */
@@ -645,6 +655,7 @@ extern void _dl_start_profile_internal (struct link_map *map,
 
 /* The actual functions used to keep book on the calls.  */
 extern void _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc);
+extern void _dl_mcount_internal (ElfW(Addr) frompc, ElfW(Addr) selfpc);
 
 /* This function is simply a wrapper around the _dl_mcount function
    which does not require a FROMPC parameter since this is the

sysdeps/hppa/dl-machine.h

@@ -611,7 +611,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	  strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]);
 	  _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-			    _dl_argv[0] ?: "<program name unknown>",
+			    rtld_progname ?: "<program name unknown>",
 			    strtab + refsym->st_name);
 	}
       memcpy (reloc_addr, (void *) value,

sysdeps/i386/dl-machine.h

@@ -433,7 +433,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
 	      strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,

sysdeps/m68k/dl-machine.h

@@ -253,13 +253,12 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	  if (sym->st_size > refsym->st_size
 	      || (sym->st_size < refsym->st_size && GL(dl_verbose)))
 	    {
-	      extern char **_dl_argv;
 	      const char *strtab;
 
 	      strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,

sysdeps/mach/hurd/dl-sysdep.c

@@ -47,7 +47,8 @@ extern int _dl_argc;
 extern char **_dl_argv;
 extern char **_environ;
 
-int __libc_enable_secure;
+int __libc_enable_secure = 0;
+INTVARDEF(__libc_enable_secure)
 int __libc_multiple_libcs = 0;	/* Defining this here avoids the inclusion
 				   of init-first.  */
 /* This variable containts the lowest stack address ever used.  */
@@ -128,7 +129,7 @@ _dl_sysdep_start (void **start_argptr,
       else
 	_dl_hurd_data = (void *) p;
 
-      __libc_enable_secure = _dl_hurd_data->flags & EXEC_SECURE;
+      INTUSE(__libc_enable_secure) = _dl_hurd_data->flags & EXEC_SECURE;
 
       if (_dl_hurd_data->flags & EXEC_STACK_ARGS &&
 	  _dl_hurd_data->user_entry == 0)
@@ -208,7 +209,7 @@ unfmh();			/* XXX */
 	 environment list.
 
 	 We use memmove, since the locations might overlap.  */
-      if (__libc_enable_secure || _dl_skip_args)
+      if (INTUSE(__libc_enable_secure) || _dl_skip_args)
 	{
 	  char **newp;
 

sysdeps/powerpc/dl-machine.c

@@ -474,7 +474,7 @@ __process_machine_rela (struct link_map *map,
 	  strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
 	  _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, onsider re-linking\n",
-			    _dl_argv[0] ?: "<program name unknown>",
+			    rtld_progname ?: "<program name unknown>",
 			    strtab + refsym->st_name);
 	}
       memcpy (reloc_addr, (char *) finaladdr, MIN (sym->st_size,

sysdeps/s390/s390-32/dl-machine.h

@@ -406,7 +406,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	      strtab = (const char *) D_PTR(map,l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,

sysdeps/s390/s390-64/dl-machine.h

@@ -374,7 +374,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
 	      strtab = (const char *) D_PTR (map,l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,

sysdeps/sh/dl-machine.h

@@ -442,8 +442,6 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
 /* SH never uses Elf32_Rel relocations.	 */
 #define ELF_MACHINE_NO_REL 1
 
-extern char **_dl_argv;
-
 /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
    MAP is the object containing the reloc.  */
 
@@ -520,7 +518,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	      strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,

sysdeps/sparc/sparc32/dl-machine.h

@@ -460,13 +460,12 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	  if (sym->st_size > refsym->st_size
 	      || (GL(dl_verbose) && sym->st_size < refsym->st_size))
 	    {
-	      extern char **_dl_argv;
 	      const char *strtab;
 
 	      strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,

sysdeps/sparc/sparc64/dl-machine.h

@@ -286,13 +286,12 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
 	  if (sym->st_size > refsym->st_size
 	      || (GL(dl_verbose) && sym->st_size < refsym->st_size))
 	    {
-	      extern char **_dl_argv;
 	      const char *strtab;
 
 	      strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,

sysdeps/unix/sysv/linux/dl-origin.c

@@ -31,6 +31,7 @@
    the path of the application from the /proc/self/exe symlink.  Try this
    first and fall back on the generic method if necessary.  */
 
+#undef _dl_get_origin
 const char *
 _dl_get_origin (void)
 {
@@ -38,7 +39,7 @@ _dl_get_origin (void)
   char *result;
   int len;
 
-  if ((len = __readlink ("/proc/self/exe", linkval, PATH_MAX)) > 0
+  if ((len = __readlink ("/proc/self/exe", linkval, sizeof (linkval))) > 0
       && linkval[0] != '[')
     {
       /* We can use this value.  */
@@ -76,3 +77,4 @@ _dl_get_origin (void)
 
   return result;
 }
+INTDEF(_dl_get_origin)

sysdeps/x86_64/dl-machine.h

@@ -386,7 +386,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
 	      strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]);
 	      _dl_error_printf ("\
 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				_dl_argv[0] ?: "<program name unknown>",
+				rtld_progname ?: "<program name unknown>",
 				strtab + refsym->st_name);
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,