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| 1 | #ifndef _ASMi386_SIGCONTEXT_H
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| 2 | #define _ASMi386_SIGCONTEXT_H
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| 3 |
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| 4 | /*
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| 5 | * As documented in the iBCS2 standard..
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| 6 | *
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| 7 | * The first part of "struct _fpstate" is just the
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| 8 | * normal i387 hardware setup, the extra "status"
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| 9 | * word is used to save the coprocessor status word
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| 10 | * before entering the handler.
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| 11 | */
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| 12 | struct _fpreg {
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| 13 | unsigned short significand[4];
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| 14 | unsigned short exponent;
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| 15 | };
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| 16 |
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| 17 | struct _fpstate {
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| 18 | unsigned long cw,
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| 19 | sw,
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| 20 | tag,
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| 21 | ipoff,
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| 22 | cssel,
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| 23 | dataoff,
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| 24 | datasel;
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| 25 | struct _fpreg _st[8];
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| 26 | unsigned long status;
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| 27 | };
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| 28 |
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| 29 | struct sigcontext {
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| 30 | unsigned short gs, __gsh;
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| 31 | unsigned short fs, __fsh;
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| 32 | unsigned short es, __esh;
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| 33 | unsigned short ds, __dsh;
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| 34 | unsigned long edi;
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| 35 | unsigned long esi;
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| 36 | unsigned long ebp;
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| 37 | unsigned long esp;
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| 38 | unsigned long ebx;
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| 39 | unsigned long edx;
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| 40 | unsigned long ecx;
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| 41 | unsigned long eax;
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| 42 | unsigned long trapno;
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| 43 | unsigned long err;
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| 44 | unsigned long eip;
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| 45 | unsigned short cs, __csh;
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| 46 | unsigned long eflags;
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| 47 | unsigned long esp_at_signal;
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| 48 | unsigned short ss, __ssh;
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| 49 | struct _fpstate * fpstate;
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| 50 | unsigned long oldmask;
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| 51 | unsigned long cr2;
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| 52 | };
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| 53 |
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| 54 |
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| 55 | #endif
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