LXR linux/arch/arm64/include/asm/ptdump.h

   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_ARM64_PTDUMP_CORE
   9
  10#include <linux/mm_types.h>
  11#include <linux/seq_file.h>
  12
  13struct addr_marker {
  14        unsigned long start_address;
  15        char *name;
  16};
  17
  18struct ptdump_info {
  19        struct mm_struct                *mm;
  20        const struct addr_marker        *markers;
  21        unsigned long                   base_addr;
  22};
  23
  24void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info);
  25#ifdef CONFIG_ARM64_PTDUMP_DEBUGFS
  26void ptdump_debugfs_register(struct ptdump_info *info, const char *name);
  27#else
  28static inline void ptdump_debugfs_register(struct ptdump_info *info,
  29                                           const char *name) { }
  30#endif
  31void ptdump_check_wx(void);
  32#endif /* CONFIG_ARM64_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