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nds32: Add macro definition for offset of lp register on stack

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Use macro to replace the magic number.

Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
This commit is contained in:
Zong Li
2018-08-20 09:51:29 +08:00
committed by Greentime Hu
parent c5fdf7e00d
commit 95f93ed7fe
3 changed files with 3 additions and 2 deletions
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2
arch/nds32/kernel/stacktrace.c
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@@ -31,7 +31,7 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
&& (fpn >= (unsigned long *)TASK_SIZE)) {
unsigned long lpp, fpp;
lpp = fpn[-1];
lpp = fpn[LP_OFFSET];
fpp = fpn[FP_OFFSET];
if (!__kernel_text_address(lpp))
break;