From: Behan Webster <beh...@converseincode.com>
Use the global current_stack_pointer to calculate the end of the stack for
current_pt_regs()
Signed-off-by: Behan Webster <beh...@converseincode.com>
Signed-off-by: Mark Charlebois <charl...@gmail.com>
Reviewed-by: Jan-Simon Möller <dl...@gmx.de>
---
arch/arm/include/asm/ptrace.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 601264d..51622ba 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -154,9 +154,8 @@ static inline unsigned long user_stack_pointer(struct
pt_regs *regs)
return regs->ARM_sp;
}
-#define current_pt_regs(void) ({ \
- register unsigned long sp asm ("sp"); \
- (struct pt_regs *)((sp | (THREAD_SIZE - 1)) - 7) - 1; \
+#define current_pt_regs(void) ({ (struct pt_regs *) \
+ ((current_stack_pointer | (THREAD_SIZE - 1)) - 7) - 1; \
})
#endif /* __ASSEMBLY__ */
--
1.9.1
--
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