s-mastop-irix.adb (Pop_Frame): Revert shorcuts avoiding calls to exc_unwind...

s-mastop-irix.adb (Pop_Frame): Revert shorcuts avoiding calls to exc_unwind...

2005-06-14  Olivier Hainque  <hainque@adacore.com>
	    Eric Botcazou  <ebotcazou@adacore.com>

	* s-mastop-irix.adb (Pop_Frame): Revert shorcuts avoiding calls to
	exc_unwind, now that we are generating proper .debug_frame output for
	that target.

	* tracebak.c: Remove the mips-irix section, as we are now using the
	s-mastop based unwinder again.
	Under SPARC/Solaris, take into account the stack bias to compute the
	frame offset.  The stack bias is 0 for the V8 ABI and 2047 for the V9
	ABI.

From-SVN: r101012