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armsigctx.h

armsigctx.h 2.3 KB
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  1. /* Definition of `struct sigcontext' for Linux/ARM
    2. 

  2.    Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
    3. 

  3.    This file is part of the GNU C Library.
    4. 

  4. 

  5.    The GNU C Library is free software; you can redistribute it and/or
    6. 

  6.    modify it under the terms of the GNU Lesser General Public
    7. 

  7.    License as published by the Free Software Foundation; either
    8. 

  8.    version 2.1 of the License, or (at your option) any later version.
    9. 

  9. 

  10.    The GNU C Library is distributed in the hope that it will be useful,
    11. 

  11.    but WITHOUT ANY WARRANTY; without even the implied warranty of
    12. 

  12.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13. 

  13.    Lesser General Public License for more details.
    14. 

  14. 

  15.    You should have received a copy of the GNU Lesser General Public
    16. 

  16.    License along with the GNU C Library; if not, write to the Free
    17. 

  17.    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    18. 

  18.    02111-1307 USA.  */
    19. 

  19. 

  20. /* The format of struct sigcontext changed between 2.0 and 2.1 kernels.
    21. 

  21.    Fortunately 2.0 puts a magic number in the first word and this is not
    22. 

  22.    a legal value for `trap_no', so we can tell them apart.  */
    23. 

  23. 

  24. /* Early 2.2 and 2.3 kernels do not have the `fault_address' member in
    25. 

  25.    the sigcontext structure.  Unfortunately there is no reliable way
    26. 

  26.    to test for its presence and this word will contain garbage for too-old
    27. 

  27.    kernels.  Versions 2.2.14 and 2.3.35 (plus later versions) are known to
    28. 

  28.    include this element.  */
    29. 

  29. 

  30. #ifndef __ARMSIGCTX_H
    31. 

  31. #define __ARMSIGCTX_H	1
    32. 

  32. 

  33. #include <asm/ptrace.h>
    34. 

  34. 

  35. union k_sigcontext
    36. 

  36.   {
    37. 

  37.     struct
    38. 

  38.       {
    39. 

  39. 	unsigned long int trap_no;
    40. 

  40. 	unsigned long int error_code;
    41. 

  41. 	unsigned long int oldmask;
    42. 

  42. 	unsigned long int arm_r0;
    43. 

  43. 	unsigned long int arm_r1;
    44. 

  44. 	unsigned long int arm_r2;
    45. 

  45. 	unsigned long int arm_r3;
    46. 

  46. 	unsigned long int arm_r4;
    47. 

  47. 	unsigned long int arm_r5;
    48. 

  48. 	unsigned long int arm_r6;
    49. 

  49. 	unsigned long int arm_r7;
    50. 

  50. 	unsigned long int arm_r8;
    51. 

  51. 	unsigned long int arm_r9;
    52. 

  52. 	unsigned long int arm_r10;
    53. 

  53. 	unsigned long int arm_fp;
    54. 

  54. 	unsigned long int arm_ip;
    55. 

  55. 	unsigned long int arm_sp;
    56. 

  56. 	unsigned long int arm_lr;
    57. 

  57. 	unsigned long int arm_pc;
    58. 

  58. 	unsigned long int arm_cpsr;
    59. 

  59. 	unsigned long fault_address;
    60. 

  60.       } v21;
    61. 

  61.     struct
    62. 

  62.       {
    63. 

  63. 	unsigned long int magic;
    64. 

  64. 	struct pt_regs reg;
    65. 

  65. 	unsigned long int trap_no;
    66. 

  66. 	unsigned long int error_code;
    67. 

  67. 	unsigned long int oldmask;
    68. 

  68.       } v20;
    69. 

  69. };
    70. 

  70. 

  71. #define SIGCONTEXT_2_0_MAGIC	0x4B534154
    72. 

  72. 

  73. #endif	/* bits/armsigctx.h */
    74.