#ifndef _ASM_STACKTRACE_H#define _ASM_STACKTRACE_H 1 extern int kstack_depth_to_print; /* Generic stack tracer with callbacks */ struct stacktrace_ops {	void (*warning)(void *data, char *msg);	/* msg must contain %s for the symbol */	void (*warning_symbol)(void *data, char *msg, unsigned long symbol);	void (*address)(void *data, unsigned long address);	/* On negative return stop dumping */	int (*stack)(void *data, char *name);}; void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long *stack,		struct stacktrace_ops *ops, void *data); #endif