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| author |   Matt Fleming <matt@console-pimps.org> | 2009-08-20 17:00:21 +0100 |
|---|---|---|
| committer | Matt Fleming <matt@console-pimps.org> | 2009-08-21 13:04:10 +0100 |
| commit | fe98dd31eb9fe055703e0171134b4d074558d4e9 (patch) | |
| tree | ed7f82f1370a5310ff099c3299d3519a52e2e5f0 /arch/sh/kernel/cpu | |
| parent | sh: unwinder: Introduce UNWINDER_BUG() and UNWINDER_BUG_ON() (diff) | |
| download | linux-dev-fe98dd31eb9fe055703e0171134b4d074558d4e9.tar.xz linux-dev-fe98dd31eb9fe055703e0171134b4d074558d4e9.zip | |
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 <matt@console-pimps.org>
Diffstat (limited to 'arch/sh/kernel/cpu')
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/entry.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 67ad6467c694..f89ec87e3fc3 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 |