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From: Jason Wessel on 30 Jul 2010 15:20
From: Michal Simek <monstr(a)monstr.eu>

kgdb_handle_breakpoint checks the first arch_kgdb_breakpoint
which is not known by gdb that's why is necessary jump over
it. The jump lenght is equal to BREAK_INSTR_SIZE that's
why is cleaner to use defined macro instead of hardcoded
non-described offset.

Signed-off-by: Michal Simek <monstr(a)monstr.eu>
Signed-off-by: Jason Wessel <jason.wessel(a)windriver.com>
CC: Benjamin Herrenschmidt <benh(a)kernel.crashing.org>
CC: linuxppc-dev(a)ozlabs.org
---
arch/powerpc/kernel/kgdb.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index 82a7b22..7f61a3a 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -129,7 +129,7 @@ static int kgdb_handle_breakpoint(struct pt_regs *regs)
return 0;

if (*(u32 *) (regs->nip) == *(u32 *) (&arch_kgdb_ops.gdb_bpt_instr))
- regs->nip += 4;
+ regs->nip += BREAK_INSTR_SIZE;

return 1;
}
--
1.6.4.rc1

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