/* stdarg.h - PowerPC */

#ifndef __STDARG_H
#define __STDARG_H 1

typedef struct {
  int gpr;
  int fpr;
  char *regbase;
  char *membase;
} va_list;

char *__va_start(void);
char *__va_regbase(void);
int __va_fixedgpr(void);
int __va_fixedfpr(void);

#define va_start(vl,dummy) \
  ( \
    vl.gpr=__va_fixedgpr(), \
    vl.fpr=__va_fixedfpr(), \
    vl.regbase=__va_regbase(), \
    vl.membase=__va_start() \
  )

#define va_end(vl) (vl.regbase=vl.membase=0)

#define __va_size(type) ((sizeof(type)+3)/4*4)

#define va_arg(vl,type) \
 ( \
  (__typeof(type)&15)>8? \
    (vl.membase+=__va_size(type),((type*)vl.membase)[-1]) \
  : \
   ( \
    (((__typeof(type)&15)==5||(__typeof(type)&15)==6)) ? \
     ( \
      ++vl.fpr<=8 ? \
        ((type*)(vl.regbase+32))[vl.fpr-1] \
      : \
        (vl.membase+=__va_size(type),((type*)vl.membase)[-1]) \
     ) \
    : \
     ( \
      ++vl.gpr<=8 ? \
        ((type*)(vl.regbase+0))[vl.gpr-1] \
      : \
        (vl.membase+=__va_size(type),((type*)vl.membase)[-1]) \
     ) \
   ) \
 )
#endif