1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_PTDUMP_H
#define _LINUX_PTDUMP_H
#include <linux/mm_types.h>
struct ptdump_range {
unsigned long start;
unsigned long end;
};
struct ptdump_state {
void (*note_page_pte)(struct ptdump_state *st, unsigned long addr, pte_t pte);
void (*note_page_pmd)(struct ptdump_state *st, unsigned long addr, pmd_t pmd);
void (*note_page_pud)(struct ptdump_state *st, unsigned long addr, pud_t pud);
void (*note_page_p4d)(struct ptdump_state *st, unsigned long addr, p4d_t p4d);
void (*note_page_pgd)(struct ptdump_state *st, unsigned long addr, pgd_t pgd);
void (*note_page_flush)(struct ptdump_state *st);
void (*effective_prot_pte)(struct ptdump_state *st, pte_t pte);
void (*effective_prot_pmd)(struct ptdump_state *st, pmd_t pmd);
void (*effective_prot_pud)(struct ptdump_state *st, pud_t pud);
void (*effective_prot_p4d)(struct ptdump_state *st, p4d_t p4d);
void (*effective_prot_pgd)(struct ptdump_state *st, pgd_t pgd);
const struct ptdump_range *range;
};
bool ptdump_walk_pgd_level_core(struct seq_file *m,
struct mm_struct *mm, pgd_t *pgd,
bool checkwx, bool dmesg);
void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd);
bool ptdump_check_wx(void);
static inline void debug_checkwx(void)
{
if (IS_ENABLED(CONFIG_DEBUG_WX))
ptdump_check_wx();
}
#endif /* _LINUX_PTDUMP_H */
|
