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include
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asm-ppc
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kgdb.h

kgdb.h 1.7 KB
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  1. /*
    2. 

  2.  * kgdb.h: Defines and declarations for serial line source level
    3. 

  3.  *         remote debugging of the Linux kernel using gdb.
    4. 

  4.  *
    5. 

  5.  * PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu)
    6. 

  6.  *
    7. 

  7.  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
    8. 

  8.  */
    9. 

  9. #ifdef __KERNEL__
    10. 

  10. #ifndef _PPC_KGDB_H
    11. 

  11. #define _PPC_KGDB_H
    12. 

  12. 

  13. #ifndef __ASSEMBLY__
    14. 

  14. 

  15. /* Things specific to the gen550 backend. */
    16. 

  16. struct uart_port;
    17. 

  17. 

  18. extern void gen550_progress(char *, unsigned short);
    19. 

  19. extern void gen550_kgdb_map_scc(void);
    20. 

  20. extern void gen550_init(int, struct uart_port *);
    21. 

  21. 

  22. /* Things specific to the pmac backend. */
    23. 

  23. extern void zs_kgdb_hook(int tty_num);
    24. 

  24. 

  25. /* To init the kgdb engine. (called by serial hook)*/
    26. 

  26. extern void set_debug_traps(void);
    27. 

  27. 

  28. /* To enter the debugger explicitly. */
    29. 

  29. extern void breakpoint(void);
    30. 

  30. 

  31. /* For taking exceptions
    32. 

  32.  * these are defined in traps.c
    33. 

  33.  */
    34. 

  34. extern int (*debugger)(struct pt_regs *regs);
    35. 

  35. extern int (*debugger_bpt)(struct pt_regs *regs);
    36. 

  36. extern int (*debugger_sstep)(struct pt_regs *regs);
    37. 

  37. extern int (*debugger_iabr_match)(struct pt_regs *regs);
    38. 

  38. extern int (*debugger_dabr_match)(struct pt_regs *regs);
    39. 

  39. extern void (*debugger_fault_handler)(struct pt_regs *regs);
    40. 

  40. 

  41. /* What we bring to the party */
    42. 

  42. int kgdb_bpt(struct pt_regs *regs);
    43. 

  43. int kgdb_sstep(struct pt_regs *regs);
    44. 

  44. void kgdb(struct pt_regs *regs);
    45. 

  45. int kgdb_iabr_match(struct pt_regs *regs);
    46. 

  46. int kgdb_dabr_match(struct pt_regs *regs);
    47. 

  47. 

  48. /*
    49. 

  49.  * external low-level support routines (ie macserial.c)
    50. 

  50.  */
    51. 

  51. extern void kgdb_interruptible(int); /* control interrupts from serial */
    52. 

  52. extern void putDebugChar(char);   /* write a single character      */
    53. 

  53. extern char getDebugChar(void);   /* read and return a single char */
    54. 

  54. 

  55. #endif /* !(__ASSEMBLY__) */
    56. 

  56. #endif /* !(_PPC_KGDB_H) */
    57. 

  57. #endif /* __KERNEL__ */
    58.