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android_kernel_...
/
arch
/
powerpc
/
include
/
asm
/
debug.h

debug.h 1.8 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. /*
    3. 

  3.  * Copyright (C) 1999 Cort Dougan <[email protected]>
    4. 

  4.  */
    5. 

  5. #ifndef _ASM_POWERPC_DEBUG_H
    6. 

  6. #define _ASM_POWERPC_DEBUG_H
    7. 

  7. 

  8. #include <asm/hw_breakpoint.h>
    9. 

  9. 

  10. struct pt_regs;
    11. 

  11. 

  12. #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC_CORE)
    13. 

  13. 

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

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

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

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

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

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

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

  21. 

  22. #define DEBUGGER_BOILERPLATE(__NAME) \
    23. 

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

  24. { \
    25. 

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

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

  27. 	return 0; \
    28. 

  28. }
    29. 

  29. 

  30. DEBUGGER_BOILERPLATE(debugger)
    31. 

  31. DEBUGGER_BOILERPLATE(debugger_ipi)
    32. 

  32. DEBUGGER_BOILERPLATE(debugger_bpt)
    33. 

  33. DEBUGGER_BOILERPLATE(debugger_sstep)
    34. 

  34. DEBUGGER_BOILERPLATE(debugger_iabr_match)
    35. 

  35. DEBUGGER_BOILERPLATE(debugger_break_match)
    36. 

  36. DEBUGGER_BOILERPLATE(debugger_fault_handler)
    37. 

  37. 

  38. #else
    39. 

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

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

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

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

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

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

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

  46. #endif
    47. 

  47. 

  48. void __set_breakpoint(int nr, struct arch_hw_breakpoint *brk);
    49. 

  49. bool ppc_breakpoint_available(void);
    50. 

  50. #ifdef CONFIG_PPC_ADV_DEBUG_REGS
    51. 

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

  52. 			 unsigned long error_code, int brkpt);
    53. 

  53. #endif
    54. 

  54. 

  55. #endif /* _ASM_POWERPC_DEBUG_H */
    56.