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| author | Zong Li <zong@andestech.com> | 2018-08-20 09:51:29 +0800 |
|---|---|---|
| committer | Greentime Hu <greentime@andestech.com> | 2018-09-04 14:45:19 +0800 |
| commit | 95f93ed7fe92c16f5346e477491d91e4fa8e92b8 (patch) | |
| tree | 3d7c4ca31e12eb4e3ad3e369154102196e3bf081 /arch/nds32 | |
| parent | c5fdf7e00d490dc094a97d287e0fa27e253cca84 (diff) | |
| download | linux-0-day-95f93ed7fe92c16f5346e477491d91e4fa8e92b8.tar.gz linux-0-day-95f93ed7fe92c16f5346e477491d91e4fa8e92b8.tar.xz | |
nds32: Add macro definition for offset of lp register on stack
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>
Diffstat (limited to 'arch/nds32')
| -rw-r--r-- | arch/nds32/include/asm/nds32.h | 1 | ||||
| -rw-r--r-- | arch/nds32/kernel/stacktrace.c | 2 | ||||
| -rw-r--r-- | arch/nds32/kernel/traps.c | 2 |
3 files changed, 3 insertions, 2 deletions
diff --git a/arch/nds32/include/asm/nds32.h b/arch/nds32/include/asm/nds32.h index 19b19394a936c..68c38151c3e41 100644 --- a/arch/nds32/include/asm/nds32.h +++ b/arch/nds32/include/asm/nds32.h @@ -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) diff --git a/arch/nds32/kernel/stacktrace.c b/arch/nds32/kernel/stacktrace.c index 36bc87003e83f..d974c0c1c65f3 100644 --- a/arch/nds32/kernel/stacktrace.c +++ b/arch/nds32/kernel/stacktrace.c @@ -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; diff --git a/arch/nds32/kernel/traps.c b/arch/nds32/kernel/traps.c index f432310f3d02e..b0b85b7ab0792 100644 --- a/arch/nds32/kernel/traps.c +++ b/arch/nds32/kernel/traps.c @@ -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)) { |