/* * 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 *getup(void);#define	up	(getup()) /* * This structure must agree with FPsave and FPrestore asm routines */ #include <architecture/ppc/fp_regs.h> typedef union {	double 			__dbl;	ppc_fp_scr_t	__src;} FPU; typedef sigjmp_buf osjmpbuf;#define	ossetjmp(buf)	sigsetjmp(buf, 1)