[Ada] Explicitly pass exception occurrence to notifiers

[Arnaud Charlet <charlet at adacore dot com>]

This is an internal cleanup and preliminary to removal of useless ada
occurrence copy.
No functional change.

Tested on x86_64-pc-linux-gnu, committed on trunk

2012-07-16  Tristan Gingold  <gingold@adacore.com>

	* a-exexpr.adb (Propagate_Exception): Adjust call to
	Exception_Traces procedures.
	* a-exexpr-gcc.adb (Setup_Current_Excep): Now a
	function that returns an access to the Ada occurrence.
	(Propagate_GCC_Exception): Adjust calls.
	* raise.h (struct Exception_Occurrence): Declare.
	* a-exextr.adb: Remove useless pragma.	(Notify_Handled_Exception,
	Notify_Unhandled_Exception) (Unhandled_Exception_Terminate):
	Add Excep parameter.
	* a-except.adb (Notify_Handled_Exception,
	Notify_Unhandled_Exception) (Unhandled_Exception_Terminate):
	Add Excep parameter.
	(Process_Raise_Exception): Adjust calls.
	* a-except-2005.adb (Notify_Handled_Exception,
	Notify_Unhandled_Exception) (Unhandled_Exception_Terminate): Add
	Excep parameter.
	(Raise_Exception): Calls Raise_Exception_Always.
	* raise-gcc.c (__gnat_setup_current_excep,
	__gnat_notify_handled_exception)
	(__gnat_notify_unhandled_exception): Adjust declarations.
	(PERSONALITY_FUNCTION): Adjust calls.
	(__gnat_personality_seh0): Remove warning.

Attachment: difs
Description: Text document