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 #define EFI_RUNTIME_MAP_END     SZ_1G
  25 void ptdump_debugfs_register(struct ptdump_info *info, const char *name);
  26 #else
  27 static inline void ptdump_debugfs_register(struct ptdump_info *info,
  28                                            const char *name) { }
  29 #endif /* CONFIG_ARM_PTDUMP_DEBUGFS */
  30
  31 void ptdump_check_wx(void);
  32
  33 #endif /* CONFIG_ARM_PTDUMP_CORE */
  34
  35 #ifdef CONFIG_ARM_DEBUG_WX
  36 #define arm_debug_checkwx() ptdump_check_wx()
  37 #else
  38 #define arm_debug_checkwx() do { } while (0)
  39 #endif
  40
  41 #endif /* __ASM_PTDUMP_H */