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asm-mips
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ptrace.h

ptrace.h 2.3 KB
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  1. /*
    2. 

  2.  * This file is subject to the terms and conditions of the GNU General Public
    3. 

  3.  * License.  See the file "COPYING" in the main directory of this archive
    4. 

  4.  * for more details.
    5. 

  5.  *
    6. 

  6.  * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
    7. 

  7.  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
    8. 

  8.  */
    9. 

  9. #ifndef _ASM_PTRACE_H
    10. 

  10. #define _ASM_PTRACE_H
    11. 

  11. 

  12. 

  13. #include <asm/isadep.h>
    14. 

  14. 

  15. /* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
    16. 

  16. #define FPR_BASE	32
    17. 

  17. #define PC		64
    18. 

  18. #define CAUSE		65
    19. 

  19. #define BADVADDR	66
    20. 

  20. #define MMHI		67
    21. 

  21. #define MMLO		68
    22. 

  22. #define FPC_CSR		69
    23. 

  23. #define FPC_EIR		70
    24. 

  24. #define DSP_BASE	71		/* 3 more hi / lo register pairs */
    25. 

  25. #define DSP_CONTROL	77
    26. 

  26. 

  27. /*
    28. 

  28.  * This struct defines the way the registers are stored on the stack during a
    29. 

  29.  * system call/exception. As usual the registers k0/k1 aren't being saved.
    30. 

  30.  */
    31. 

  31. struct pt_regs {
    32. 

  32. #ifdef CONFIG_32BIT
    33. 

  33. 	/* Pad bytes for argument save space on the stack. */
    34. 

  34. 	unsigned long pad0[6];
    35. 

  35. #endif
    36. 

  36. 

  37. 	/* Saved main processor registers. */
    38. 

  38. 	unsigned long regs[32];
    39. 

  39. 

  40. 	/* Saved special registers. */
    41. 

  41. 	unsigned long cp0_status;
    42. 

  42. 	unsigned long hi;
    43. 

  43. 	unsigned long lo;
    44. 

  44. 	unsigned long cp0_badvaddr;
    45. 

  45. 	unsigned long cp0_cause;
    46. 

  46. 	unsigned long cp0_epc;
    47. 

  47. #ifdef CONFIG_MIPS_MT_SMTC
    48. 

  48. 	unsigned long cp0_tcstatus;
    49. 

  49. 	unsigned long smtc_pad;
    50. 

  50. #endif /* CONFIG_MIPS_MT_SMTC */
    51. 

  51. };
    52. 

  52. 

  53. /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
    54. 

  54. #define PTRACE_GETREGS		12
    55. 

  55. #define PTRACE_SETREGS		13
    56. 

  56. #define PTRACE_GETFPREGS		14
    57. 

  57. #define PTRACE_SETFPREGS		15
    58. 

  58. /* #define PTRACE_GETFPXREGS		18 */
    59. 

  59. /* #define PTRACE_SETFPXREGS		19 */
    60. 

  60. 

  61. #define PTRACE_OLDSETOPTIONS	21
    62. 

  62. 

  63. #define PTRACE_GET_THREAD_AREA	25
    64. 

  64. #define PTRACE_SET_THREAD_AREA	26
    65. 

  65. 

  66. /* Calls to trace a 64bit program from a 32bit program.  */
    67. 

  67. #define PTRACE_PEEKTEXT_3264	0xc0
    68. 

  68. #define PTRACE_PEEKDATA_3264	0xc1
    69. 

  69. #define PTRACE_POKETEXT_3264	0xc2
    70. 

  70. #define PTRACE_POKEDATA_3264	0xc3
    71. 

  71. #define PTRACE_GET_THREAD_AREA_3264	0xc4
    72. 

  72. 

  73. #ifdef __KERNEL__
    74. 

  74. 

  75. #include <linux/linkage.h>
    76. 

  76. 

  77. /*
    78. 

  78.  * Does the process account for user or for system time?
    79. 

  79.  */
    80. 

  80. #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
    81. 

  81. 

  82. #define instruction_pointer(regs) ((regs)->cp0_epc)
    83. 

  83. #define profile_pc(regs) instruction_pointer(regs)
    84. 

  84. 

  85. extern void show_regs(struct pt_regs *);
    86. 

  86. 

  87. extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
    88. 

  88. 

  89. #endif
    90. 

  90. 

  91. #endif /* _ASM_PTRACE_H */
    92.