Acasă Explorează Ajutor
Înregistrare Autentificare
phyus
/
linux-vybrid_public
8
0
Bifurcare 0
Fisiere Probleme 0 Trageți solicitările 0 Wiki
Arbore: 2da3e160cb
Ramuri Etichete
linux-vybrid_pu...
/
arch
/
x86
/
include
/
asm
/
hw_breakpoint.h

hw_breakpoint.h 1.7 KB
Istoric Crud

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455 
  1. #ifndef	_I386_HW_BREAKPOINT_H
    2. 

  2. #define	_I386_HW_BREAKPOINT_H
    3. 

  3. 

  4. #ifdef	__KERNEL__
    5. 

  5. #define	__ARCH_HW_BREAKPOINT_H
    6. 

  6. 

  7. struct arch_hw_breakpoint {
    8. 

  8. 	char		*name; /* Contains name of the symbol to set bkpt */
    9. 

  9. 	unsigned long	address;
    10. 

  10. 	u8		len;
    11. 

  11. 	u8		type;
    12. 

  12. };
    13. 

  13. 

  14. #include <linux/kdebug.h>
    15. 

  15. #include <linux/hw_breakpoint.h>
    16. 

  16. 

  17. /* Available HW breakpoint length encodings */
    18. 

  18. #define HW_BREAKPOINT_LEN_1		0x40
    19. 

  19. #define HW_BREAKPOINT_LEN_2		0x44
    20. 

  20. #define HW_BREAKPOINT_LEN_4		0x4c
    21. 

  21. #define HW_BREAKPOINT_LEN_EXECUTE	0x40
    22. 

  22. 

  23. #ifdef CONFIG_X86_64
    24. 

  24. #define HW_BREAKPOINT_LEN_8		0x48
    25. 

  25. #endif
    26. 

  26. 

  27. /* Available HW breakpoint type encodings */
    28. 

  28. 

  29. /* trigger on instruction execute */
    30. 

  30. #define HW_BREAKPOINT_EXECUTE	0x80
    31. 

  31. /* trigger on memory write */
    32. 

  32. #define HW_BREAKPOINT_WRITE	0x81
    33. 

  33. /* trigger on memory read or write */
    34. 

  34. #define HW_BREAKPOINT_RW	0x83
    35. 

  35. 

  36. /* Total number of available HW breakpoint registers */
    37. 

  37. #define HBP_NUM 4
    38. 

  38. 

  39. extern struct hw_breakpoint *hbp_kernel[HBP_NUM];
    40. 

  40. DECLARE_PER_CPU(struct hw_breakpoint*, this_hbp_kernel[HBP_NUM]);
    41. 

  41. extern unsigned int hbp_user_refcount[HBP_NUM];
    42. 

  42. 

  43. extern void arch_install_thread_hw_breakpoint(struct task_struct *tsk);
    44. 

  44. extern void arch_uninstall_thread_hw_breakpoint(void);
    45. 

  45. extern int arch_check_va_in_userspace(unsigned long va, u8 hbp_len);
    46. 

  46. extern int arch_validate_hwbkpt_settings(struct hw_breakpoint *bp,
    47. 

  47. 						struct task_struct *tsk);
    48. 

  48. extern void arch_update_user_hw_breakpoint(int pos, struct task_struct *tsk);
    49. 

  49. extern void arch_flush_thread_hw_breakpoint(struct task_struct *tsk);
    50. 

  50. extern void arch_update_kernel_hw_breakpoint(void *);
    51. 

  51. extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused,
    52. 

  52. 				     unsigned long val, void *data);
    53. 

  53. #endif	/* __KERNEL__ */
    54. 

  54. #endif	/* _I386_HW_BREAKPOINT_H */
    55. 

  55.