#include <stdint.h>

#ifdef __x86_64__
// x86_64, 6 64bits general regs and 16 or 8? 128bits float regs
#define CREATE_SYSV_VALIST(A) \
  va_list sysv_varargs; \
  sysv_varargs->gp_offset=(6*8); \
  sysv_varargs->fp_offset=(6*8)+(16*16); \
  sysv_varargs->overflow_arg_area=A;
#elif defined(__aarch64__)
// aarch64: 8 64bits general regs and 8 128bits float regs
#define CREATE_SYSV_VALIST(A) \
  va_list sysv_varargs; \
  sysv_varargs->gp_offset=(8*8); \
  sysv_varargs->fp_offset=(8*8)+(8*16); \
  sysv_varargs->overflow_arg_area=A;
#elif defined(__powerpc64__)
// TODO, is this correct?
#define CREATE_SYSV_VALIST(A) \
  va_list sysv_varargs; \
  sysv_varargs->gpr=8; \
  sysv_varargs->fpr=8; \
  sysv_varargs->overflow_arg_area=A;
#else
#error Unknown architecture!
#endif


#define VARARGS sysv_varargs
#define PREPARE_VALIST CREATE_SYSV_VALIST(emu->scratch)
#define VARARGS_(A) sysv_varargs
#define PREPARE_VALIST_(A) CREATE_SYSV_VALIST(A)

typedef struct x64emu_s x64emu_t;

// 1st pos is of vaarg is 0, not 1!
void myStackAlign(x64emu_t* emu, const char* fmt, uint64_t* st, uint64_t* mystack, int xmm, int pos);
void myStackAlignGVariantNew(x64emu_t* emu, const char* fmt, uint64_t* st, uint64_t* mystack, int xmm, int pos);
void myStackAlignW(x64emu_t* emu, const char* fmt, uint64_t* st, uint64_t* mystack, int xmm, int pos);

// defined in wrapperlibc.c
int of_convert(int);    // x86->arm
int of_unconvert(int);  // arm->x86