From: Matt Fleming Date: Thu, 20 Aug 2009 16:00:21 +0000 (+0100) Subject: sh: Setup the frame pointer in handle_interrupt X-Git-Tag: v2.6.33-rc1~63^2~62^2~92^2~3^2~2 X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=fe98dd31eb9fe055703e0171134b4d074558d4e9 sh: Setup the frame pointer in handle_interrupt When CONFIG_DWARF_UNWINDER is enabled setup r14 in handle_interrupt, so that we can figure out what function was running when we were interrupted. Signed-off-by: Matt Fleming --- diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 67ad646..f89ec87 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -508,6 +508,8 @@ ENTRY(handle_interrupt) bsr save_regs ! needs original pr value in k3 mov #-1, k2 ! default vector kept in k2 + setup_frame_reg + ! Setup return address and jump to do_IRQ mov.l 4f, r9 ! fetch return address lds r9, pr ! put return address in pr