show_stack
show_stack(current, (unsigned long *)regs->regs[4], KERN_INFO);
show_stack(NULL, (unsigned long *)addr, KERN_INFO);
show_stack(NULL, (unsigned long *)esp, KERN_EMERG);
show_stack(current, (unsigned long *) regs->gpr[1], KERN_DEFAULT);
show_stack(p->__current, (unsigned long *)p->saved_r1, KERN_WARNING);
show_stack(NULL, (unsigned long *) regs->gprs[15], KERN_DEFAULT);
show_stack(current, (unsigned long *)regs->u_regs[UREG_FP], KERN_DEFAULT);
show_stack(task, NULL, KERN_INFO);
show_stack(NULL, NULL, KERN_ERR);
show_stack(NULL, (unsigned long *)regs->areg[1], KERN_INFO);
show_stack(wd->tsk, NULL, KERN_EMERG);
show_stack(wd->tsk, NULL, KERN_WARNING);
show_stack(NULL, NULL, KERN_INFO);
show_stack(NULL, NULL, KERN_INFO);
extern void show_stack(struct task_struct *task, unsigned long *sp,
show_stack(p, addr, KERN_EMERG);
show_stack(p, NULL, KERN_INFO);
show_stack(NULL, NULL, log_lvl);