linux/arch/x86/kernel/stacktrace.c

/*
 * Stack trace management functions
 *
 *  Copyright (C) 2006-2009 Red Hat, Inc., Ingo Molnar <[email protected]>
 */
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/sched/task_stack.h>
#include <linux/stacktrace.h>
#include <linux/export.h>
#include <linux/uaccess.h>
#include <asm/stacktrace.h>
#include <asm/unwind.h>

void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
		     struct task_struct *task, struct pt_regs *regs)
{ … }

int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry,
			     void *cookie, struct task_struct *task)
{ … }

/* Userspace stacktrace - based on kernel/trace/trace_sysprof.c */

struct stack_frame_user { … };

static int
copy_stack_frame(const struct stack_frame_user __user *fp,
		 struct stack_frame_user *frame)
{ … }

void arch_stack_walk_user(stack_trace_consume_fn consume_entry, void *cookie,
			  const struct pt_regs *regs)
{ … }