projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
1 | #ifndef _ASM_X86_SIGCONTEXT32_H |
| 2 | #define _ASM_X86_SIGCONTEXT32_H | |
| 1da177e4 LT |
3 | |
| 4 | /* signal context for 32bit programs. */ | |
| 5 | ||
| 6 | #define X86_FXSR_MAGIC 0x0000 | |
| 7 | ||
| 8 | struct _fpreg { | |
| 9 | unsigned short significand[4]; | |
| 10 | unsigned short exponent; | |
| 11 | }; | |
| 12 | ||
| 13 | struct _fpxreg { | |
| 14 | unsigned short significand[4]; | |
| 15 | unsigned short exponent; | |
| 16 | unsigned short padding[3]; | |
| 17 | }; | |
| 18 | ||
| 19 | struct _xmmreg { | |
| 20 | __u32 element[4]; | |
| 21 | }; | |
| 22 | ||
| 23 | /* FSAVE frame with extensions */ | |
| 24 | struct _fpstate_ia32 { | |
| 25 | /* Regular FPU environment */ | |
| 26 | __u32 cw; | |
| 27 | __u32 sw; | |
| 28 | __u32 tag; /* not compatible to 64bit twd */ | |
| 895b7643 | 29 | __u32 ipoff; |
| 1da177e4 LT |
30 | __u32 cssel; |
| 31 | __u32 dataoff; | |
| 32 | __u32 datasel; | |
| 33 | struct _fpreg _st[8]; | |
| 34 | unsigned short status; | |
| 35 | unsigned short magic; /* 0xffff = regular FPU data only */ | |
| 36 | ||
| 37 | /* FXSR FPU environment */ | |
| 38 | __u32 _fxsr_env[6]; | |
| 39 | __u32 mxcsr; | |
| 40 | __u32 reserved; | |
| 41 | struct _fpxreg _fxsr_st[8]; | |
| 895b7643 | 42 | struct _xmmreg _xmm[8]; /* It's actually 16 */ |
| bdd8caba SS |
43 | __u32 padding[44]; |
| 44 | union { | |
| 45 | __u32 padding2[12]; | |
| 46 | struct _fpx_sw_bytes sw_reserved; | |
| 47 | }; | |
| 1da177e4 LT |
48 | }; |
| 49 | ||
| 50 | struct sigcontext_ia32 { | |
| 51 | unsigned short gs, __gsh; | |
| 52 | unsigned short fs, __fsh; | |
| 53 | unsigned short es, __esh; | |
| 54 | unsigned short ds, __dsh; | |
| 742fa54a PA |
55 | unsigned int di; |
| 56 | unsigned int si; | |
| 57 | unsigned int bp; | |
| 58 | unsigned int sp; | |
| 59 | unsigned int bx; | |
| 60 | unsigned int dx; | |
| 61 | unsigned int cx; | |
| 62 | unsigned int ax; | |
| 1da177e4 LT |
63 | unsigned int trapno; |
| 64 | unsigned int err; | |
| 742fa54a | 65 | unsigned int ip; |
| 1da177e4 | 66 | unsigned short cs, __csh; |
| 742fa54a PA |
67 | unsigned int flags; |
| 68 | unsigned int sp_at_signal; | |
| 1da177e4 LT |
69 | unsigned short ss, __ssh; |
| 70 | unsigned int fpstate; /* really (struct _fpstate_ia32 *) */ | |
| 71 | unsigned int oldmask; | |
| 72 | unsigned int cr2; | |
| 73 | }; | |
| 74 | ||
| 1965aae3 | 75 | #endif /* _ASM_X86_SIGCONTEXT32_H */ |