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arch
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powerpc
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include
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asm
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debug.h

debug.h 2.0 KB
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  1. /*
    2. 

  2.  * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
    3. 

  3.  */
    4. 

  4. #ifndef _ASM_POWERPC_DEBUG_H
    5. 

  5. #define _ASM_POWERPC_DEBUG_H
    6. 

  6. 

  7. #include <asm/hw_breakpoint.h>
    8. 

  8. 

  9. struct pt_regs;
    10. 

  10. 

  11. extern struct dentry *powerpc_debugfs_root;
    12. 

  12. 

  13. #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
    14. 

  14. 

  15. extern int (*__debugger)(struct pt_regs *regs);
    16. 

  16. extern int (*__debugger_ipi)(struct pt_regs *regs);
    17. 

  17. extern int (*__debugger_bpt)(struct pt_regs *regs);
    18. 

  18. extern int (*__debugger_sstep)(struct pt_regs *regs);
    19. 

  19. extern int (*__debugger_iabr_match)(struct pt_regs *regs);
    20. 

  20. extern int (*__debugger_break_match)(struct pt_regs *regs);
    21. 

  21. extern int (*__debugger_fault_handler)(struct pt_regs *regs);
    22. 

  22. 

  23. #define DEBUGGER_BOILERPLATE(__NAME) \
    24. 

  24. static inline int __NAME(struct pt_regs *regs) \
    25. 

  25. { \
    26. 

  26. 	if (unlikely(__ ## __NAME)) \
    27. 

  27. 		return __ ## __NAME(regs); \
    28. 

  28. 	return 0; \
    29. 

  29. }
    30. 

  30. 

  31. DEBUGGER_BOILERPLATE(debugger)
    32. 

  32. DEBUGGER_BOILERPLATE(debugger_ipi)
    33. 

  33. DEBUGGER_BOILERPLATE(debugger_bpt)
    34. 

  34. DEBUGGER_BOILERPLATE(debugger_sstep)
    35. 

  35. DEBUGGER_BOILERPLATE(debugger_iabr_match)
    36. 

  36. DEBUGGER_BOILERPLATE(debugger_break_match)
    37. 

  37. DEBUGGER_BOILERPLATE(debugger_fault_handler)
    38. 

  38. 

  39. #else
    40. 

  40. static inline int debugger(struct pt_regs *regs) { return 0; }
    41. 

  41. static inline int debugger_ipi(struct pt_regs *regs) { return 0; }
    42. 

  42. static inline int debugger_bpt(struct pt_regs *regs) { return 0; }
    43. 

  43. static inline int debugger_sstep(struct pt_regs *regs) { return 0; }
    44. 

  44. static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; }
    45. 

  45. static inline int debugger_break_match(struct pt_regs *regs) { return 0; }
    46. 

  46. static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
    47. 

  47. #endif
    48. 

  48. 

  49. void set_breakpoint(struct arch_hw_breakpoint *brk);
    50. 

  50. void __set_breakpoint(struct arch_hw_breakpoint *brk);
    51. 

  51. #ifdef CONFIG_PPC_ADV_DEBUG_REGS
    52. 

  52. extern void do_send_trap(struct pt_regs *regs, unsigned long address,
    53. 

  53. 			 unsigned long error_code, int signal_code, int brkpt);
    54. 

  54. #else
    55. 

  55. 

  56. extern void do_break(struct pt_regs *regs, unsigned long address,
    57. 

  57. 		     unsigned long error_code);
    58. 

  58. #endif
    59. 

  59. 

  60. #endif /* _ASM_POWERPC_DEBUG_H */
    61.