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#ifndef _I386_MATH_EMU_H
#define _I386_MATH_EMU_H
#include <asm/sigcontext.h>
void restore_i387_soft(struct _fpstate *buf);
struct _fpstate * save_i387_soft(struct _fpstate * buf);
struct fpu_reg {
char sign;
char tag;
long exp;
unsigned sigl;
unsigned sigh;
};
/* This structure matches the layout of the data saved to the stack
following a device-not-present interrupt, part of it saved
automatically by the 80386/80486.
*/
struct info {
long ___orig_eip;
long ___ret_from_system_call;
long ___ebx;
long ___ecx;
long ___edx;
long ___esi;
long ___edi;
long ___ebp;
long ___eax;
long ___ds;
long ___es;
long ___fs;
long ___gs;
long ___orig_eax;
long ___eip;
long ___cs;
long ___eflags;
long ___esp;
long ___ss;
long ___vm86_es; /* This and the following only in vm86 mode */
long ___vm86_ds;
long ___vm86_fs;
long ___vm86_gs;
};
/* Interface for converting data between the emulator format
* and the hardware format. Used for core dumping and for
* ptrace(2) */
void hardreg_to_softreg(const char hardreg[10],
struct fpu_reg *soft_reg);
void softreg_to_hardreg(const struct fpu_reg *rp, char d[10],
long int control_word);
#endif
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