1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (C) 2014 ARM Ltd. */
 3#ifndef __ASM_PTDUMP_H
 4#define __ASM_PTDUMP_H
 5
 6#ifdef CONFIG_ARM_PTDUMP_CORE
 7
 8#include <linux/mm_types.h>
 9#include <linux/seq_file.h>
10
11struct addr_marker {
12	unsigned long start_address;
13	char *name;
14};
15
16struct ptdump_info {
17	struct mm_struct		*mm;
18	const struct addr_marker	*markers;
19	unsigned long			base_addr;
20};
21
22void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info);
23#ifdef CONFIG_ARM_PTDUMP_DEBUGFS
24int ptdump_debugfs_register(struct ptdump_info *info, const char *name);
25#else
26static inline int ptdump_debugfs_register(struct ptdump_info *info,
27					const char *name)
28{
29	return 0;
30}
31#endif /* CONFIG_ARM_PTDUMP_DEBUGFS */
32
33void ptdump_check_wx(void);
34
35#endif /* CONFIG_ARM_PTDUMP_CORE */
36
37#ifdef CONFIG_DEBUG_WX
38#define debug_checkwx() ptdump_check_wx()
39#else
40#define debug_checkwx() do { } while (0)
41#endif
42
43#endif /* __ASM_PTDUMP_H */