hurd: Avoid some libc.so PLTs

	* hurd/catch-signal.c (hurd_catch_signal): Rename to
	__hurd_catch_signal.
	(hurd_catch_signal): New strong alias.
	(hurd_safe_memset, hurd_safe_copyout, hurd_safe_copyin): Call
	__hurd_catch_signal instead of hurd_catch_signal.
	* hurd/exc2signal.c (_hurd_exception2signal): Add hidden def.
	* hurd/hurdexec.c (_hurd_init): Add hidden def.
	* hurd/hurdinit.c (_hurd_init): Add hidden def.
	* hurd/hurdsig.c: Include <mach/mig_support.h>.
	(_hurd_thread_sigstate): Add hidden def.
	(_hurd_internal_post_signal): Use __mutex_unlock instead of
	mutex_unlock.
	* hurd/intern-fd.c (_hurd_intern_fd): Add hidden def.
	* hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): Add hidden def.
	* hurd/path-lookup.c (hurd_file_name_path_lookup): Rename to
	__hurd_file_name_path_lookup.
	(hurd_file_name_path_lookup): New strong alias.
	(file_name_path_lookup): Call __hurd_file_name_path_lookup instead of
	hurd_file_name_path_lookup.
	* mach/errstring.c (mach_error_type): Add hidden def.
	* mach/msg-destroy.c (__mach_msg_destroy): Add hidden def.
	* mach/mutex-init.c (__mutex_init): Add hidden def.
	* mach/spin-lock.c (__spin_lock_locked, __spin_lock, __spin_unlock,
	__spin_try_lock, __mutex_lock, __mutex_trylock): Add hidden defs.
	* mach/spin-solid.c (__spin_lock_solid): Add hidden def.
	* sysdeps/mach/hurd/getcwd.c
	(_hurd_canonicalize_directory_name_internal): Rename to
	__hurd_canonicalize_directory_name_internal.
	(_hurd_canonicalize_directory_name_internal): New strong alias.
	(__canonicalize_directory_name_internal, __getcwd): Call
	__hurd_canonicalize_directory_name_internal instead of
	_hurd_canonicalize_directory_name_internal.
	* sysdeps/mach/hurd/mig-reply.c: Include <mach/mig_support.h>.
	(__mig_get_reply_port, __mig_dealloc_reply_port, __mig_init): Add
	hidden defs.
	* sysdeps/hurd/include/hurd.h: New file.
	* sysdeps/hurd/include/hurd/fd.h: New file.
	* sysdeps/hurd/include/hurd/signal.h: New file.
	* sysdeps/mach/include/lock-intern.h: New file.
	* sysdeps/mach/include/mach.h: New file.
	* sysdeps/mach/include/mach/mig_support.h: New file.
	* sysdeps/mach/include/mach_error.h: New file.

1 files changed, 14 insertions, 13 deletions

diff --git a/hurd/catch-signal.c b/hurd/catch-signal.c
index b1e373992b..56ce86532d 100644
--- a/hurd/catch-signal.c
+++ b/hurd/catch-signal.c
@@ -22,10 +22,10 @@
 #include <assert.h>
 
 error_t
-hurd_catch_signal (sigset_t sigset,
-		   unsigned long int first, unsigned long int last,
-		   error_t (*operate) (struct hurd_signal_preemptor *),
-		   sighandler_t handler)
+__hurd_catch_signal (sigset_t sigset,
+		     unsigned long int first, unsigned long int last,
+		     error_t (*operate) (struct hurd_signal_preemptor *),
+		     sighandler_t handler)
 {
   /* We need to restore the signal mask, because otherwise the
      signal-handling code will have blocked the caught signal and for
@@ -73,6 +73,7 @@ hurd_catch_signal (sigset_t sigset,
 
   return error;
 }
+strong_alias (__hurd_catch_signal, hurd_catch_signal)
 
 
 error_t
@@ -83,9 +84,9 @@ hurd_safe_memset (void *dest, int byte, size_t nbytes)
       memset (dest, byte, nbytes);
       return 0;
     }
-  return hurd_catch_signal (sigmask (SIGBUS) | sigmask (SIGSEGV),
-			    (vm_address_t) dest, (vm_address_t) dest + nbytes,
-			    &operate, SIG_ERR);
+  return __hurd_catch_signal (sigmask (SIGBUS) | sigmask (SIGSEGV),
+			      (vm_address_t) dest, (vm_address_t) dest + nbytes,
+			      &operate, SIG_ERR);
 }
 
 
@@ -97,9 +98,9 @@ hurd_safe_copyout (void *dest, const void *src, size_t nbytes)
       memcpy (dest, src, nbytes);
       return 0;
     }
-  return hurd_catch_signal (sigmask (SIGBUS) | sigmask (SIGSEGV),
-			    (vm_address_t) dest, (vm_address_t) dest + nbytes,
-			    &operate, SIG_ERR);
+  return __hurd_catch_signal (sigmask (SIGBUS) | sigmask (SIGSEGV),
+			      (vm_address_t) dest, (vm_address_t) dest + nbytes,
+			      &operate, SIG_ERR);
 }
 
 error_t
@@ -110,9 +111,9 @@ hurd_safe_copyin (void *dest, const void *src, size_t nbytes)
       memcpy (dest, src, nbytes);
       return 0;
     }
-  return hurd_catch_signal (sigmask (SIGBUS) | sigmask (SIGSEGV),
-			    (vm_address_t) src, (vm_address_t) src + nbytes,
-			    &operate, SIG_ERR);
+  return __hurd_catch_signal (sigmask (SIGBUS) | sigmask (SIGSEGV),
+			      (vm_address_t) src, (vm_address_t) src + nbytes,
+			      &operate, SIG_ERR);
 }
 
 error_t