ref: 60ecd07e6d3f5786c8723dc9172c35d580fdadc8
dir: /Plan9/386/include/emu.h/
/*
* 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
{
uchar env[28];
};
typedef jmp_buf osjmpbuf;
#define ossetjmp(buf) setjmp(buf)