xref: /openbmc/linux/arch/arm/include/asm/ptdump.h (revision 55fd7e02)
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 
11 struct addr_marker {
12 	unsigned long start_address;
13 	char *name;
14 };
15 
16 struct ptdump_info {
17 	struct mm_struct		*mm;
18 	const struct addr_marker	*markers;
19 	unsigned long			base_addr;
20 };
21 
22 void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info);
23 #ifdef CONFIG_ARM_PTDUMP_DEBUGFS
24 void ptdump_debugfs_register(struct ptdump_info *info, const char *name);
25 #else
26 static inline void ptdump_debugfs_register(struct ptdump_info *info,
27 					   const char *name) { }
28 #endif /* CONFIG_ARM_PTDUMP_DEBUGFS */
29 
30 void ptdump_check_wx(void);
31 
32 #endif /* CONFIG_ARM_PTDUMP_CORE */
33 
34 #ifdef CONFIG_DEBUG_WX
35 #define debug_checkwx() ptdump_check_wx()
36 #else
37 #define debug_checkwx() do { } while (0)
38 #endif
39 
40 #endif /* __ASM_PTDUMP_H */
41