📄 math_emu.h
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/* * * $FreeBSD: src/sys/gnu/i386/fpemul/math_emu.h,v 1.2.12.1 1999/09/05 08:09:44 peter Exp $ * */#ifndef _MATH_EMU_H#define _MATH_EMU_Hstruct fpu_reg { char sign; char tag; long exp; u_long sigl; u_long sigh;};union i387_union { struct i387_hard_struct { long cwd; long swd; long twd; long fip; long fcs; long foo; long fos; long st_space[20]; /* 8*10 bytes for each FP-reg = 80 * bytes */ } hard; struct i387_soft_struct { long cwd; long swd; long twd; long fip; long fcs; long foo; long fos; long top; struct fpu_reg regs[8]; /* 8*16 bytes for each FP-reg = 128 * bytes */ unsigned char lookahead; struct trapframe *frame; unsigned long entry_eip; int orig_eip; } soft;};#endif
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