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/*
* system- and machine-specific declarations for emu:
* floating-point save and restore, signal handling primitive, and
* implementation of the current-process variable `up'.
*/
extern Proc** Xup;
#define up (*Xup)
typedef struct FPU FPU;
/*
* This structure must agree with FPsave and FPrestore asm routines
*/
struct FPU
{
ulong fcr31;
};
typedef sigjmp_buf osjmpbuf;
#define ossetjmp(buf) sigsetjmp(buf, 1)
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