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.

5 files changed, 10 insertions, 0 deletions

diff --git a/mach/errstring.c b/mach/errstring.c
index c00b02c..3e665e6 100644
--- a/mach/errstring.c
+++ b/mach/errstring.c
@@ -59,6 +59,7 @@ mach_error_type(mach_error_t err)
 	||  sub >= errors[system].max_sub ) return( "(?/?)" );
 	return( errors[system].subsystem[sub].subsys_name );
 }
+libc_hidden_def (mach_error_type)
 
 boolean_t mach_error_full_diag = FALSE;
 
diff --git a/mach/msg-destroy.c b/mach/msg-destroy.c
index bc7dd55..7429ecb 100644
--- a/mach/msg-destroy.c
+++ b/mach/msg-destroy.c
@@ -189,6 +189,7 @@ __mach_msg_destroy (mach_msg_header_t *msg)
 }
 
 weak_alias (__mach_msg_destroy, mach_msg_destroy)
+libc_hidden_def (__mach_msg_destroy)
 
 static void
 mach_msg_destroy_port (mach_port_t port, mach_msg_type_name_t type)
diff --git a/mach/mutex-init.c b/mach/mutex-init.c
index 776fec5..a8f238c 100644
--- a/mach/mutex-init.c
+++ b/mach/mutex-init.c
@@ -24,3 +24,4 @@ __mutex_init (void *lock)
 {
   *(int *)lock = LLL_INITIALIZER;
 }
+libc_hidden_def (__mutex_init)
diff --git a/mach/spin-lock.c b/mach/spin-lock.c
index 1b1e69c..888eb9d 100644
--- a/mach/spin-lock.c
+++ b/mach/spin-lock.c
@@ -3,7 +3,13 @@
 #include "spin-lock.h"
 
 weak_alias (__spin_lock_init, spin_lock_init);
+libc_hidden_def (__spin_lock_locked);
 weak_alias (__spin_lock_locked, spin_lock_locked);
+libc_hidden_def (__spin_lock);
 weak_alias (__spin_lock, spin_lock);
+libc_hidden_def (__spin_unlock);
 weak_alias (__spin_unlock, spin_unlock);
+libc_hidden_def (__spin_try_lock);
 weak_alias (__spin_try_lock, spin_try_lock);
+libc_hidden_def (__mutex_lock);
+libc_hidden_def (__mutex_trylock);
diff --git a/mach/spin-solid.c b/mach/spin-solid.c
index 6612885..db1bcd0 100644
--- a/mach/spin-solid.c
+++ b/mach/spin-solid.c
@@ -26,3 +26,4 @@ __spin_lock_solid (spin_lock_t *lock)
     __swtch_pri (0);
 }
 weak_alias (__spin_lock_solid, spin_lock_solid);
+libc_hidden_def (__spin_lock_solid)