Commit 5d36aa9b authored Aug 09, 2007 by David Mosberger-Tang Committed by Tony Luck Aug 13, 2007

[IA64] make unwinder stop at last frame of the bootloader



Add a dummy nop at the end of _start() to maintain the invariant that
the return-pointer (rp) always point to the calling function.  This
makes unwinding stop at the last frame, as it should.

Signed-off-by: David Mosberger-Tang <dmosberger@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

parent a1287476

arch/ia64/hp/sim/boot/boot_head.S

+1 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ GLOBAL_ENTRY(_start)
		movl sp = stack_mem+16384-16
		bsw.1
		br.call.sptk.many rp=start_bootloader
		0: nop 0 /* dummy nop to make unwinding work */
		END(_start)

		/*