#ifndef _ASM_X86_SIGCONTEXT32_H
  #define _ASM_X86_SIGCONTEXT32_H

  #include <linux/types.h>

  /* signal context for 32bit programs. */
  
  #define X86_FXSR_MAGIC		0x0000
  
  struct _fpreg {
  	unsigned short significand[4];
  	unsigned short exponent;
  };
  
  struct _fpxreg {
  	unsigned short significand[4];
  	unsigned short exponent;
  	unsigned short padding[3];
  };
  
  struct _xmmreg {
  	__u32	element[4];
  };
  
  /* FSAVE frame with extensions */
  struct _fpstate_ia32 {
  	/* Regular FPU environment */
  	__u32 	cw;
  	__u32	sw;
  	__u32	tag;	/* not compatible to 64bit twd */

  	__u32	ipoff;

  	__u32	cssel;
  	__u32	dataoff;
  	__u32	datasel;
  	struct _fpreg	_st[8];
  	unsigned short	status;
  	unsigned short	magic;		/* 0xffff = regular FPU data only */
  
  	/* FXSR FPU environment */
  	__u32	_fxsr_env[6];
  	__u32	mxcsr;
  	__u32	reserved;
  	struct _fpxreg	_fxsr_st[8];

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

  	__u32	padding[44];
  	union {
  		__u32 padding2[12];
  		struct _fpx_sw_bytes sw_reserved;
  	};

  };
  
  struct sigcontext_ia32 {
         unsigned short gs, __gsh;
         unsigned short fs, __fsh;
         unsigned short es, __esh;
         unsigned short ds, __dsh;

         unsigned int di;
         unsigned int si;
         unsigned int bp;
         unsigned int sp;
         unsigned int bx;
         unsigned int dx;
         unsigned int cx;
         unsigned int ax;

         unsigned int trapno;
         unsigned int err;

         unsigned int ip;

         unsigned short cs, __csh;

         unsigned int flags;
         unsigned int sp_at_signal;

         unsigned short ss, __ssh;
         unsigned int fpstate;		/* really (struct _fpstate_ia32 *) */
         unsigned int oldmask;
         unsigned int cr2;
  };

  #endif /* _ASM_X86_SIGCONTEXT32_H */