xref: /openbmc/linux/arch/arm64/include/asm/ptdump.h (revision 28dce2c4)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2014 ARM Ltd.
4  */
5 #ifndef __ASM_PTDUMP_H
6 #define __ASM_PTDUMP_H
7 
8 #ifdef CONFIG_PTDUMP_CORE
9 
10 #include <linux/mm_types.h>
11 #include <linux/seq_file.h>
12 
13 struct addr_marker {
14 	unsigned long start_address;
15 	char *name;
16 };
17 
18 struct ptdump_info {
19 	struct mm_struct		*mm;
20 	const struct addr_marker	*markers;
21 	unsigned long			base_addr;
22 };
23 
24 void ptdump_walk(struct seq_file *s, struct ptdump_info *info);
25 #ifdef CONFIG_PTDUMP_DEBUGFS
26 void __init ptdump_debugfs_register(struct ptdump_info *info, const char *name);
27 #else
28 static inline void ptdump_debugfs_register(struct ptdump_info *info,
29 					   const char *name) { }
30 #endif
31 void ptdump_check_wx(void);
32 #endif /* CONFIG_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