unwind_backtrace 39 arch/arm/include/asm/unwind.h extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk); unwind_backtrace 204 arch/arm/kernel/traps.c unwind_backtrace(regs, tsk); unwind_backtrace 476 arch/arm/kernel/unwind.c frame.pc = (unsigned long)unwind_backtrace;