git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
1 | #ifndef _ASM_X86_SIGCONTEXT32_H |
| 2 | #define _ASM_X86_SIGCONTEXT32_H | |
| 1da177e4 | 3 | |
| 2de548fa JSR |
4 | #include <linux/types.h> |
| 5 | ||
| 1da177e4 LT |
6 | /* signal context for 32bit programs. */ |
| 7 | ||
| 8 | #define X86_FXSR_MAGIC 0x0000 | |
| 9 | ||
| 10 | struct _fpreg { | |
| 11 | unsigned short significand[4]; | |
| 12 | unsigned short exponent; | |
| 13 | }; | |
| 14 | ||
| 15 | struct _fpxreg { | |
| 16 | unsigned short significand[4]; | |
| 17 | unsigned short exponent; | |
| 18 | unsigned short padding[3]; | |
| 19 | }; | |
| 20 | ||
| 21 | struct _xmmreg { | |
| 22 | __u32 element[4]; | |
| 23 | }; | |
| 24 | ||
| 25 | /* FSAVE frame with extensions */ | |
| 26 | struct _fpstate_ia32 { | |
| 27 | /* Regular FPU environment */ | |
| 28 | __u32 cw; | |
| 29 | __u32 sw; | |
| 30 | __u32 tag; /* not compatible to 64bit twd */ | |
| 895b7643 | 31 | __u32 ipoff; |
| 1da177e4 LT |
32 | __u32 cssel; |
| 33 | __u32 dataoff; | |
| 34 | __u32 datasel; | |
| 35 | struct _fpreg _st[8]; | |
| 36 | unsigned short status; | |
| 37 | unsigned short magic; /* 0xffff = regular FPU data only */ | |
| 38 | ||
| 39 | /* FXSR FPU environment */ | |
| 40 | __u32 _fxsr_env[6]; | |
| 41 | __u32 mxcsr; | |
| 42 | __u32 reserved; | |
| 43 | struct _fpxreg _fxsr_st[8]; | |
| 895b7643 | 44 | struct _xmmreg _xmm[8]; /* It's actually 16 */ |
| bdd8caba SS |
45 | __u32 padding[44]; |
| 46 | union { | |
| 47 | __u32 padding2[12]; | |
| 48 | struct _fpx_sw_bytes sw_reserved; | |
| 49 | }; | |
| 1da177e4 LT |
50 | }; |
| 51 | ||
| 52 | struct sigcontext_ia32 { | |
| 53 | unsigned short gs, __gsh; | |
| 54 | unsigned short fs, __fsh; | |
| 55 | unsigned short es, __esh; | |
| 56 | unsigned short ds, __dsh; | |
| 742fa54a PA |
57 | unsigned int di; |
| 58 | unsigned int si; | |
| 59 | unsigned int bp; | |
| 60 | unsigned int sp; | |
| 61 | unsigned int bx; | |
| 62 | unsigned int dx; | |
| 63 | unsigned int cx; | |
| 64 | unsigned int ax; | |
| 1da177e4 LT |
65 | unsigned int trapno; |
| 66 | unsigned int err; | |
| 742fa54a | 67 | unsigned int ip; |
| 1da177e4 | 68 | unsigned short cs, __csh; |
| 742fa54a PA |
69 | unsigned int flags; |
| 70 | unsigned int sp_at_signal; | |
| 1da177e4 LT |
71 | unsigned short ss, __ssh; |
| 72 | unsigned int fpstate; /* really (struct _fpstate_ia32 *) */ | |
| 73 | unsigned int oldmask; | |
| 74 | unsigned int cr2; | |
| 75 | }; | |
| 76 | ||
| 1965aae3 | 77 | #endif /* _ASM_X86_SIGCONTEXT32_H */ |