34 lines
815 B
C
34 lines
815 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_PTDUMP_H
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#define _LINUX_PTDUMP_H
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#include <linux/mm_types.h>
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struct ptdump_range {
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unsigned long start;
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unsigned long end;
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};
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struct ptdump_state {
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/* level is 0:PGD to 4:PTE, or -1 if unknown */
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void (*note_page)(struct ptdump_state *st, unsigned long addr,
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int level, u64 val);
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void (*effective_prot)(struct ptdump_state *st, int level, u64 val);
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const struct ptdump_range *range;
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};
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bool ptdump_walk_pgd_level_core(struct seq_file *m,
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struct mm_struct *mm, pgd_t *pgd,
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bool checkwx, bool dmesg);
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void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd);
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bool ptdump_check_wx(void);
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static inline void debug_checkwx(void)
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{
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if (IS_ENABLED(CONFIG_DEBUG_WX))
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ptdump_check_wx();
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}
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#endif /* _LINUX_PTDUMP_H */
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