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Commit 95f93ed7 authored by Zong Li's avatar Zong Li Committed by Greentime Hu
Browse files

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



Use macro to replace the magic number.

Signed-off-by: default avatarZong Li <zong@andestech.com>
Acked-by: default avatarGreentime Hu <greentime@andestech.com>
Signed-off-by: default avatarGreentime Hu <greentime@andestech.com>
parent c5fdf7e0

arch/nds32/include/asm/nds32.h

+1 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#else

#define FP_OFFSET (-2)

#endif

#define LP_OFFSET (-1)



extern void __init early_trap_init(void);

static inline void GIE_ENABLE(void)

arch/nds32/kernel/stacktrace.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

arch/nds32/kernel/traps.c

+1 −1
Original line number Diff line number Diff line
@@ -117,7 +117,7 @@ static void __dump(struct task_struct *tsk, unsigned long *base_reg) 
		       !((unsigned long)base_reg & 0x3) &&

		       ((unsigned long)base_reg >= TASK_SIZE)) {

			unsigned long next_fp;

			ret_addr = base_reg[-1];

			ret_addr = base_reg[LP_OFFSET];

			next_fp = base_reg[FP_OFFSET];

			if (__kernel_text_address(ret_addr)) {