Commit c569cac8 authored by Chris Metcalf's avatar Chris Metcalf
Browse files

arch/tile: support new info op generated by compiler 



This just syncs the backtracing support in the kernel to the
upstream backtrace library.

Signed-off-by: default avatarChris Metcalf <cmetcalf@tilera.com>
parent 29507663

arch/tile/include/asm/backtrace.h

+4 −1
Original line number Diff line number Diff line
@@ -146,7 +146,10 @@ enum { 


	CALLER_SP_IN_R52_BASE = 4,



	CALLER_SP_OFFSET_BASE = 8

	CALLER_SP_OFFSET_BASE = 8,



	/* Marks the entry point of certain functions. */

	ENTRY_POINT_INFO_OP = 16

};

arch/tile/kernel/backtrace.c

+4 −0
Original line number Diff line number Diff line
@@ -369,6 +369,10 @@ static void find_caller_pc_and_caller_sp(CallerLocation *location, 
					/* Weird; reserved value, ignore it. */

					continue;

				}

				if (info_operand & ENTRY_POINT_INFO_OP)	{

					/* This info op is ignored by the backtracer. */

					continue;

				}



				/* Skip info ops which are not in the

				 * "one_ago" mode we want right now.