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| author |   Matt Fleming <matt@console-pimps.org> | 2010-01-27 20:44:59 +0000 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2010-02-08 10:46:53 +0900 |
| commit | 1dca56f13899b9e256f56198026019835aaf9a3a (patch) | |
| tree | 21a51f6248bbabfa0abe6a5918d674478af38f6f /arch/sh/kernel/cpu/sh3 | |
| parent | sh: Correct the offset of the return address in ret_from_exception (diff) | |
| download | linux-dev-1dca56f13899b9e256f56198026019835aaf9a3a.tar.xz linux-dev-1dca56f13899b9e256f56198026019835aaf9a3a.zip | |
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 <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/sh3')
| -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 3f7e2a22c7c2..29021bc67493 100644 --- 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) |