arch/arm/include/asm/ptdump.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) 2014 ARM Ltd. */
   3 #ifndef __ASM_PTDUMP_H
   4 #define __ASM_PTDUMP_H
   5
   6 #ifdef CONFIG_ARM_PTDUMP_CORE
   7
   8 #include <linux/mm_types.h>
   9 #include <linux/seq_file.h>
  10
  11 struct addr_marker {
  12         unsigned long start_address;
  13         char *name;
  14 };
  15
  16 struct ptdump_info {
  17         struct mm_struct                *mm;
  18         const struct addr_marker        *markers;
  19         unsigned long                   base_addr;
  20 };
  21
  22 void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info);
  23 #ifdef CONFIG_ARM_PTDUMP_DEBUGFS
  24 int ptdump_debugfs_register(struct ptdump_info *info, const char *name);
  25 #else
  26 static inline int ptdump_debugfs_register(struct ptdump_info *info,
  27                                         const char *name)
  28 {
  29         return 0;
  30 }
  31 #endif /* CONFIG_ARM_PTDUMP_DEBUGFS */
  32
  33 void ptdump_check_wx(void);
  34
  35 #endif /* CONFIG_ARM_PTDUMP_CORE */
  36
  37 #ifdef CONFIG_DEBUG_WX
  38 #define debug_checkwx() ptdump_check_wx()
  39 #else
  40 #define debug_checkwx() do { } while (0)
  41 #endif
  42
  43 #endif /* __ASM_PTDUMP_H */