break.h 1.6 KB

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  1. /*
  2. * This file is subject to the terms and conditions of the GNU General Public
  3. * License. See the file "COPYING" in the main directory of this archive
  4. * for more details.
  5. *
  6. * Copyright (C) 1995, 2003 by Ralf Baechle
  7. * Copyright (C) 1999 Silicon Graphics, Inc.
  8. */
  9. #ifndef __ASM_BREAK_H
  10. #define __ASM_BREAK_H
  11. /*
  12. * The following break codes are or were in use for specific purposes in
  13. * other MIPS operating systems. Linux/MIPS doesn't use all of them. The
  14. * unused ones are here as placeholders; we might encounter them in
  15. * non-Linux/MIPS object files or make use of them in the future.
  16. */
  17. #define BRK_USERBP 0 /* User bp (used by debuggers) */
  18. #define BRK_KERNELBP 1 /* Break in the kernel */
  19. #define BRK_ABORT 2 /* Sometimes used by abort(3) to SIGIOT */
  20. #define BRK_BD_TAKEN 3 /* For bd slot emulation - not implemented */
  21. #define BRK_BD_NOTTAKEN 4 /* For bd slot emulation - not implemented */
  22. #define BRK_SSTEPBP 5 /* User bp (used by debuggers) */
  23. #define BRK_OVERFLOW 6 /* Overflow check */
  24. #define BRK_DIVZERO 7 /* Divide by zero check */
  25. #define BRK_RANGE 8 /* Range error check */
  26. #define BRK_STACKOVERFLOW 9 /* For Ada stackchecking */
  27. #define BRK_NORLD 10 /* No rld found - not used by Linux/MIPS */
  28. #define _BRK_THREADBP 11 /* For threads, user bp (used by debuggers) */
  29. #define BRK_BUG 512 /* Used by BUG() */
  30. #define BRK_KDB 513 /* Used in KDB_ENTER() */
  31. #define BRK_MEMU 514 /* Used by FPU emulator */
  32. #define BRK_KPROBE_BP 515 /* Kprobe break */
  33. #define BRK_KPROBE_SSTEPBP 516 /* Kprobe single step software implementation */
  34. #define BRK_MULOVF 1023 /* Multiply overflow */
  35. #endif /* __ASM_BREAK_H */