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
  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_pgd(struct seq_file *s, struct ptdump_info *info);
  25 #ifdef CONFIG_ARM64_PTDUMP_DEBUGFS
  26 void 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_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 */