sh: Setup frame pointer in handle_exception path

In order to allow the DWARF unwinder to unwind through exceptions we need to setup the frame pointer register (r14). Signed-off-by: Matt Fleming <[email protected]> Signed-off-by: Paul Mundt <[email protected]>
RyanHsu · Feb 8, 2010 · 1dca56f · 1dca56f
1 parent 1426982
commit 1dca56f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
@@ -365,6 +365,8 @@ handle_exception:
 	 mov.l	@k2, k2		! read out vector and keep in k2
 
 handle_exception_special:
+	setup_frame_reg
+
 	! Setup return address and jump to exception handler
 	mov.l	7f, r9		! fetch return address
 	stc	r2_bank, r0	! k2 (vector)