ptrace.h 2.3 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) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
  7. * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  8. */
  9. #ifndef _ASM_PTRACE_H
  10. #define _ASM_PTRACE_H
  11. #include <linux/config.h>
  12. #include <asm/isadep.h>
  13. /* 0 - 31 are integer registers, 32 - 63 are fp registers. */
  14. #define FPR_BASE 32
  15. #define PC 64
  16. #define CAUSE 65
  17. #define BADVADDR 66
  18. #define MMHI 67
  19. #define MMLO 68
  20. #define FPC_CSR 69
  21. #define FPC_EIR 70
  22. #define DSP_BASE 71 /* 3 more hi / lo register pairs */
  23. #define DSP_CONTROL 77
  24. /*
  25. * This struct defines the way the registers are stored on the stack during a
  26. * system call/exception. As usual the registers k0/k1 aren't being saved.
  27. */
  28. struct pt_regs {
  29. #ifdef CONFIG_32BIT
  30. /* Pad bytes for argument save space on the stack. */
  31. unsigned long pad0[6];
  32. #endif
  33. /* Saved main processor registers. */
  34. unsigned long regs[32];
  35. /* Saved special registers. */
  36. unsigned long cp0_status;
  37. unsigned long hi;
  38. unsigned long lo;
  39. unsigned long cp0_badvaddr;
  40. unsigned long cp0_cause;
  41. unsigned long cp0_epc;
  42. #ifdef CONFIG_MIPS_MT_SMTC
  43. unsigned long cp0_tcstatus;
  44. unsigned long smtc_pad;
  45. #endif /* CONFIG_MIPS_MT_SMTC */
  46. };
  47. /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
  48. #define PTRACE_GETREGS 12
  49. #define PTRACE_SETREGS 13
  50. #define PTRACE_GETFPREGS 14
  51. #define PTRACE_SETFPREGS 15
  52. /* #define PTRACE_GETFPXREGS 18 */
  53. /* #define PTRACE_SETFPXREGS 19 */
  54. #define PTRACE_OLDSETOPTIONS 21
  55. #define PTRACE_GET_THREAD_AREA 25
  56. #define PTRACE_SET_THREAD_AREA 26
  57. /* Calls to trace a 64bit program from a 32bit program. */
  58. #define PTRACE_PEEKTEXT_3264 0xc0
  59. #define PTRACE_PEEKDATA_3264 0xc1
  60. #define PTRACE_POKETEXT_3264 0xc2
  61. #define PTRACE_POKEDATA_3264 0xc3
  62. #define PTRACE_GET_THREAD_AREA_3264 0xc4
  63. #ifdef __KERNEL__
  64. #include <linux/linkage.h>
  65. /*
  66. * Does the process account for user or for system time?
  67. */
  68. #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
  69. #define instruction_pointer(regs) ((regs)->cp0_epc)
  70. #define profile_pc(regs) instruction_pointer(regs)
  71. extern void show_regs(struct pt_regs *);
  72. extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
  73. #endif
  74. #endif /* _ASM_PTRACE_H */