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asm
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sigcontext32.h

sigcontext32.h 1.6 KB
Cronologia Originale

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  1. #ifndef _ASM_X86_SIGCONTEXT32_H
    2. 

  2. #define _ASM_X86_SIGCONTEXT32_H
    3. 

  3. 

  4. #include <linux/types.h>
    5. 

  5. 

  6. /* signal context for 32bit programs. */
    7. 

  7. 

  8. #define X86_FXSR_MAGIC		0x0000
    9. 

  9. 

  10. struct _fpreg {
    11. 

  11. 	unsigned short significand[4];
    12. 

  12. 	unsigned short exponent;
    13. 

  13. };
    14. 

  14. 

  15. struct _fpxreg {
    16. 

  16. 	unsigned short significand[4];
    17. 

  17. 	unsigned short exponent;
    18. 

  18. 	unsigned short padding[3];
    19. 

  19. };
    20. 

  20. 

  21. struct _xmmreg {
    22. 

  22. 	__u32	element[4];
    23. 

  23. };
    24. 

  24. 

  25. /* FSAVE frame with extensions */
    26. 

  26. struct _fpstate_ia32 {
    27. 

  27. 	/* Regular FPU environment */
    28. 

  28. 	__u32 	cw;
    29. 

  29. 	__u32	sw;
    30. 

  30. 	__u32	tag;	/* not compatible to 64bit twd */
    31. 

  31. 	__u32	ipoff;
    32. 

  32. 	__u32	cssel;
    33. 

  33. 	__u32	dataoff;
    34. 

  34. 	__u32	datasel;
    35. 

  35. 	struct _fpreg	_st[8];
    36. 

  36. 	unsigned short	status;
    37. 

  37. 	unsigned short	magic;		/* 0xffff = regular FPU data only */
    38. 

  38. 

  39. 	/* FXSR FPU environment */
    40. 

  40. 	__u32	_fxsr_env[6];
    41. 

  41. 	__u32	mxcsr;
    42. 

  42. 	__u32	reserved;
    43. 

  43. 	struct _fpxreg	_fxsr_st[8];
    44. 

  44. 	struct _xmmreg	_xmm[8];	/* It's actually 16 */
    45. 

  45. 	__u32	padding[44];
    46. 

  46. 	union {
    47. 

  47. 		__u32 padding2[12];
    48. 

  48. 		struct _fpx_sw_bytes sw_reserved;
    49. 

  49. 	};
    50. 

  50. };
    51. 

  51. 

  52. struct sigcontext_ia32 {
    53. 

  53.        unsigned short gs, __gsh;
    54. 

  54.        unsigned short fs, __fsh;
    55. 

  55.        unsigned short es, __esh;
    56. 

  56.        unsigned short ds, __dsh;
    57. 

  57.        unsigned int di;
    58. 

  58.        unsigned int si;
    59. 

  59.        unsigned int bp;
    60. 

  60.        unsigned int sp;
    61. 

  61.        unsigned int bx;
    62. 

  62.        unsigned int dx;
    63. 

  63.        unsigned int cx;
    64. 

  64.        unsigned int ax;
    65. 

  65.        unsigned int trapno;
    66. 

  66.        unsigned int err;
    67. 

  67.        unsigned int ip;
    68. 

  68.        unsigned short cs, __csh;
    69. 

  69.        unsigned int flags;
    70. 

  70.        unsigned int sp_at_signal;
    71. 

  71.        unsigned short ss, __ssh;
    72. 

  72.        unsigned int fpstate;		/* really (struct _fpstate_ia32 *) */
    73. 

  73.        unsigned int oldmask;
    74. 

  74.        unsigned int cr2;
    75. 

  75. };
    76. 

  76. 

  77. #endif /* _ASM_X86_SIGCONTEXT32_H */
    78. 

  78.