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GNU Mach 1.2

#ifndef _ASMi386_SIGCONTEXT_H
#define _ASMi386_SIGCONTEXT_H

/*
 * As documented in the iBCS2 standard..
 *
 * The first part of "struct _fpstate" is just the
 * normal i387 hardware setup, the extra "status"
 * word is used to save the coprocessor status word
 * before entering the handler.
 */
struct _fpreg {
	unsigned short significand[4];
	unsigned short exponent;
};

struct _fpstate {
	unsigned long 	cw,
			sw,
			tag,
			ipoff,
			cssel,
			dataoff,
			datasel;
	struct _fpreg	_st[8];
	unsigned long	status;
};

struct sigcontext_struct {
	unsigned short gs, __gsh;
	unsigned short fs, __fsh;
	unsigned short es, __esh;
	unsigned short ds, __dsh;
	unsigned long edi;
	unsigned long esi;
	unsigned long ebp;
	unsigned long esp;
	unsigned long ebx;
	unsigned long edx;
	unsigned long ecx;
	unsigned long eax;
	unsigned long trapno;
	unsigned long err;
	unsigned long eip;
	unsigned short cs, __csh;
	unsigned long eflags;
	unsigned long esp_at_signal;
	unsigned short ss, __ssh;
	struct _fpstate * fpstate;
	unsigned long oldmask;
	unsigned long cr2;
};

#endif

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