/* Some random tests for vacall. */

/*
 * Copyright 1993 Bill Triggs, <Bill.Triggs@inrialpes.fr>
 * Copyright 1995-1999, 2001-2002, 2005 Bruno Haible, <bruno@clisp.org>
 *
 * This is free software distributed under the GNU General Public Licence
 * described in the file COPYING. Contact the author if you don't have this
 * or can't live with it. There is ABSOLUTELY NO WARRANTY, explicit or implied,
 * on this software.
 */

#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "vacall.h"
FILE* out;

#if defined(__hppa__) && defined(__GNUC__)
#if (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
/* gcc-2.5.2 bugs prevent the T test from working. */
#define SKIP_T
#endif
#endif
#if defined(__m68k__) && defined(sun) && !defined(__GNUC__)
/* A SunOS 4.0.3 cc bug is triggered by the va_arg_struct macro. */
#define SKIP_STRUCTS
#endif
#if defined(__m68k__) && defined(__GNUC__)
/* "gcc-2.6.3 -freg-struct-return" returns  T = struct { char c[3]; }  (which
 * has size 4 !) in memory, in contrast to  struct { char a,b,c; }  and
 * struct { char c[4]; }  and  struct { char a,b,c,d; }  which have the same
 * size and the same alignment but are returned in registers. I don't know why.
 */
#define SKIP_T
#endif
#if defined(__i386__) && defined(__GNUC__)
#if (__GNUC__ == 2) && (__GNUC_MINOR__ == 7)
/* Problem with gcc-2.7.x on Linux/ELF: The X test fails.
 * The calling convention for C functions returning structures of size > 8 bytes
 * apparently has changed between gcc-2.6.3 and gcc-2.7 (all i386 platforms),
 * and vacall supports only the old one. Since gcc-2.8 will switch back to
 * gcc-2.6.3's calling convention, I won't change ffcall/vacall for this.
 * Just hide the problem by not running the test. The impact isn't big for
 * CLISP: Callbacks returning structures > 8 bytes won't work.
 */
#define SKIP_X
#endif
#endif
#if defined(__sparc__) && defined(sun) && defined(__SUNPRO_C) /* SUNWspro cc */
/* SunPRO cc miscompiles the simulator function for X_BcdB: d.i[1] is
 * temporarily stored in %l2 and put onto the stack from %l2, but in between
 * the copy of X has used %l2 as a counter without saving and restoring its
 * value.
 */
#define SKIP_X
#endif
#if defined(__mipsn32__) && !defined(__GNUC__)
/* The X test crashes for an unknown reason. */
#define SKIP_X
#endif

#define uchar unsigned char
#define ushort unsigned short
#define uint unsigned int
#define ulong unsigned long

typedef struct { char x; } Char;
typedef struct { short x; } Short;
typedef struct { int x; } Int;
typedef struct { long x; } Long;
typedef struct { float x; } Float;
typedef struct { double x; } Double;
typedef struct { char c; float f; } A;
typedef struct { double d; int i[3]; } B;
typedef struct { long l1; long l2; } J;
typedef struct { char c[3]; } T;
typedef struct { char c[33],c1; } X;

char c1='a', c2=127, c3=(char)128, c4=(char)255, c5=-1;
short s1=32767, s2=(short)32768, s3=3, s4=4, s5=5, s6=6, s7=7, s8=8, s9=9;
int i1=1, i2=2, i3=3, i4=4, i5=5, i6=6, i7=7, i8=8, i9=9,
    i10=11, i11=12, i12=13, i13=14, i14=15, i15=16, i16=17;
long l1=1, l2=2, l3=3, l4=4, l5=5, l6=6, l7=7, l8=8, l9=9;
#ifdef HAVE_LONG_LONG_INT
long long ll1 = 3875056143130689530LL;
#endif
float f1=0.1, f2=0.2, f3=0.3, f4=0.4, f5=0.5, f6=0.6, f7=0.7, f8=0.8, f9=0.9,
      f10=1.1, f11=1.2, f12=1.3, f13=1.4, f14=1.5, f15=1.6, f16=1.7;
double d1=0.1, d2=0.2, d3=0.3, d4=0.4, d5=0.5, d6=0.6, d7=0.7, d8=0.8, d9=0.9,
       d10=1.1, d11=1.2, d12=1.3, d13=1.4, d14=1.5, d15=1.6, d16=1.7;

uchar uc1='a', uc2=127, uc3=128, uc4=255, uc5=(uchar)-1;
ushort us1=1, us2=2, us3=3, us4=4, us5=5, us6=6, us7=7, us8=8, us9=9;
uint ui1=1, ui2=2, ui3=3, ui4=4, ui5=5, ui6=6, ui7=7, ui8=8, ui9=9;
ulong ul1=1, ul2=2, ul3=3, ul4=4, ul5=5, ul6=6, ul7=7, ul8=8, ul9=9;

char *str1="hello",str2[]="goodbye",*str3="still here?";
Char C1={'A'}, C2={'B'}, C3={'C'}, C4={'\377'}, C5={-1};
Short S1={1}, S2={2}, S3={3}, S4={4}, S5={5}, S6={6}, S7={7}, S8={8}, S9={9};
Int I1={1}, I2={2}, I3={3}, I4={4}, I5={5}, I6={6}, I7={7}, I8={8}, I9={9};
Float F1={0.1}, F2={0.2}, F3={0.3}, F4={0.4}, F5={0.5}, F6={0.6}, F7={0.7}, F8={0.8}, F9={0.9};
Double D1={0.1}, D2={0.2}, D3={0.3}, D4={0.4}, D5={0.5}, D6={0.6}, D7={0.7}, D8={0.8}, D9={0.9};

A A1={'a',0.1},A2={'b',0.2},A3={'\377',0.3};
B B1={0.1,{1,2,3}},B2={0.2,{5,4,3}};
J J1={47,11},J2={73,55};
T T1={'t','h','e'},T2={'f','o','x'};
X X1={"abcdefghijklmnopqrstuvwxyzABCDEF",'G'}, X2={"123",'9'}, X3={"return-return-return",'R'};

/* void tests */
void v_v (void)
{
  fprintf(out,"void f(void):\n");
  fflush(out);
}

/* int tests */
int i_v (void)
{
  int r=99;
  fprintf(out,"int f(void):");
  fflush(out);
  return r;
}
int i_i (int a)
{
  int r=a+1;
  fprintf(out,"int f(int):(%d)",a);
  fflush(out);
  return r;
}
int i_i2 (int a, int b)
{
  int r=a+b;
  fprintf(out,"int f(2*int):(%d,%d)",a,b);
  fflush(out);
  return r;
}
int i_i4 (int a, int b, int c, int d)
{
  int r=a+b+c+d;
  fprintf(out,"int f(4*int):(%d,%d,%d,%d)",a,b,c,d);
  fflush(out);
  return r;
}
int i_i8 (int a, int b, int c, int d, int e, int f, int g, int h)
{
  int r=a+b+c+d+e+f+g+h;
  fprintf(out,"int f(8*int):(%d,%d,%d,%d,%d,%d,%d,%d)",a,b,c,d,e,f,g,h);
  fflush(out);
  return r;
}
int i_i16 (int a, int b, int c, int d, int e, int f, int g, int h,
           int i, int j, int k, int l, int m, int n, int o, int p)
{
  int r=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p;
  fprintf(out,"int f(16*int):(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)",
          a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p);
  fflush(out);
  return r;
}

/* float tests */
float f_f (float a)
{
  float r=a+1.0;
  fprintf(out,"float f(float):(%g)",a);
  fflush(out);
  return r;
}
float f_f2 (float a, float b)
{
  float r=a+b;
  fprintf(out,"float f(2*float):(%g,%g)",a,b);
  fflush(out);
  return r;
}
float f_f4 (float a, float b, float c, float d)
{
  float r=a+b+c+d;
  fprintf(out,"float f(4*float):(%g,%g,%g,%g)",a,b,c,d);
  fflush(out);
  return r;
}
float f_f8 (float a, float b, float c, float d, float e, float f,
            float g, float h)
{
  float r=a+b+c+d+e+f+g+h;
  fprintf(out,"float f(8*float):(%g,%g,%g,%g,%g,%g,%g,%g)",a,b,c,d,e,f,g,h);
  fflush(out);
  return r;
}
float f_f16 (float a, float b, float c, float d, float e, float f, float g, float h,
             float i, float j, float k, float l, float m, float n, float o, float p)
{
  float r=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p;
  fprintf(out,"float f(16*float):(%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g)",a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p);
  fflush(out);
  return r;
}

/* double tests */
double d_d (double a)
{
  double r=a+1.0;
  fprintf(out,"double f(double):(%g)",a);
  fflush(out);
  return r;
}
double d_d2 (double a, double b)
{
  double r=a+b;
  fprintf(out,"double f(2*double):(%g,%g)",a,b);
  fflush(out);
  return r;
}
double d_d4 (double a, double b, double c, double d)
{
  double r=a+b+c+d;
  fprintf(out,"double f(4*double):(%g,%g,%g,%g)",a,b,c,d);
  fflush(out);
  return r;
}
double d_d8 (double a, double b, double c, double d, double e, double f,
             double g, double h)
{
  double r=a+b+c+d+e+f+g+h;
  fprintf(out,"double f(8*double):(%g,%g,%g,%g,%g,%g,%g,%g)",a,b,c,d,e,f,g,h);
  fflush(out);
  return r;
}
double d_d16 (double a, double b, double c, double d, double e, double f,
              double g, double h, double i, double j, double k, double l,
              double m, double n, double o, double p)
{
  double r=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p;
  fprintf(out,"double f(16*double):(%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g)",a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p);
  fflush(out);
  return r;
}

/* pointer tests */
void* vp_vpdpcpsp (void* a, double* b, char* c, Int* d)
{
  void* ret = (char*)b + 1;
  fprintf(out,"void* f(void*,double*,char*,Int*):(0x%lx,0x%lx,0x%lx,0x%lx)",(long)a,(long)b,(long)c,(long)d);
  fflush(out);
  return ret;
}

/* mixed number tests */
uchar uc_ucsil (uchar a, ushort b, uint c, ulong d)
{
  uchar r = (uchar)-1;
  fprintf(out,"uchar f(uchar,ushort,uint,ulong):(%u,%u,%u,%lu)",a,b,c,d);
  fflush(out);
  return r;
}
double d_iidd (int a, int b, double c, double d)
{
  double r = a+b+c+d;
  fprintf(out,"double f(int,int,double,double):(%d,%d,%g,%g)",a,b,c,d);
  fflush(out);
  return r;
}
double d_idid (int a, double b, int c, double d)
{
  double r = a+b+c+d;
  fprintf(out,"double f(int,double,int,double):(%d,%g,%d,%g)",a,b,c,d);
  fflush(out);
  return r;
}
ushort us_cdcd (char a, double b, char c, double d)
{
  ushort r = (ushort)(a + b + c + d);
  fprintf(out,"ushort f(char,double,char,double):('%c',%g,'%c',%g)",a,b,c,d);
  fflush(out);
  return r;
}

#ifdef HAVE_LONG_LONG_INT
long long ll_flli (float a, long long b, int c)
{
  long long r = (long long)(int)a + b + (long long)c;
  fprintf(out,"long long f(float,long long,int):(%g,0x%lx%08lx,0x%lx)",a,(long)(b>>32),(long)(b&0xffffffff),(long)c);
  fflush(out);
  return r;
}
#endif

/* structure tests */
Int I_III (Int a, Int b, Int c)
{
  Int r;
  r.x = a.x + b.x + c.x;
  fprintf(out,"Int f(Int,Int,Int):({%d},{%d},{%d})",a.x,b.x,c.x);
  fflush(out);
  return r;
}
Char C_CdC (Char a, double b, Char c)
{
  Char r;
  r.x = (a.x + c.x)/2;
  fprintf(out,"Char f(Char,double,Char):({'%c'},%g,{'%c'})",a.x,b,c.x);
  fflush(out);
  return r;
}
Float F_Ffd (Float a, float b, double c)
{
  Float r;
  r.x = a.x + b + c;
  fprintf(out,"Float f(Float,float,double):({%g},%g,%g)",a.x,b,c);
  fflush(out);
  return r;
}
Double D_fDd (float a, Double b, double c)
{
  Double r;
  r.x = a + b.x + c;
  fprintf(out,"Double f(float,Double,double):(%g,{%g},%g)",a,b.x,c);
  fflush(out);
  return r;
}
J J_JiJ (J a, int b, J c)
{
  J r;
  r.l1 = a.l1+c.l1; r.l2 = a.l2+b+c.l2;
  fprintf(out,"J f(J,int,J):({%ld,%ld},%d,{%ld,%ld})",a.l1,a.l2,b,c.l1,c.l2);
  fflush(out);
  return r;
}
T T_TcT (T a, char b, T c)
{
  T r;
  r.c[0]='b'; r.c[1]=c.c[1]; r.c[2]=c.c[2];
  fprintf(out,"T f(T,char,T):({\"%c%c%c\"},'%c',{\"%c%c%c\"})",a.c[0],a.c[1],a.c[2],b,c.c[0],c.c[1],c.c[2]);
  fflush(out);
  return r;
}
X X_BcdB (B a, char b, double c, B d)
{
  static X xr={"return val",'R'};
  X r;
  r = xr;
  r.c1 = b;
  fprintf(out,"X f(B,char,double,B):({%g,{%d,%d,%d}},'%c',%g,{%g,{%d,%d,%d}})",
          a.d,a.i[0],a.i[1],a.i[2],b,c,d.d,d.i[0],d.i[1],d.i[2]);
  fflush(out);
  return r;
}


void* current_function;

/* This function simulates the behaviour of current_function. */
void simulator (va_alist alist)
{
  /* void tests */
  if (current_function == (void*)&v_v)
    {
      va_start_void(alist);
      fprintf(out,"void f(void):\n");
      fflush(out);
      va_return_void(alist);
    }

  /* int tests */
  else if (current_function == (void*)&i_v)
    {
      va_start_int(alist);
     {int r=99;
      fprintf(out,"int f(void):");
      fflush(out);
      va_return_int(alist, r);
    }}
  else if (current_function == (void*)&i_i)
    {
      va_start_int(alist);
     {int a = va_arg_int(alist);
      int r=a+1;
      fprintf(out,"int f(int):(%d)",a);
      fflush(out);
      va_return_int(alist, r);
    }}
  else if (current_function == (void*)&i_i2)
    {
      va_start_int(alist);
     {int a = va_arg_int(alist);
      int b = va_arg_int(alist);
      int r=a+b;
      fprintf(out,"int f(2*int):(%d,%d)",a,b);
      fflush(out);
      va_return_int(alist, r);
    }}
  else if (current_function == (void*)&i_i4)
    {
      va_start_int(alist);
     {int a = va_arg_int(alist);
      int b = va_arg_int(alist);
      int c = va_arg_int(alist);
      int d = va_arg_int(alist);
      int r=a+b+c+d;
      fprintf(out,"int f(4*int):(%d,%d,%d,%d)",a,b,c,d);
      fflush(out);
      va_return_int(alist, r);
    }}
  else if (current_function == (void*)&i_i8)
    {
      va_start_int(alist);
     {int a = va_arg_int(alist);
      int b = va_arg_int(alist);
      int c = va_arg_int(alist);
      int d = va_arg_int(alist);
      int e = va_arg_int(alist);
      int f = va_arg_int(alist);
      int g = va_arg_int(alist);
      int h = va_arg_int(alist);
      int r=a+b+c+d+e+f+g+h;
      fprintf(out,"int f(8*int):(%d,%d,%d,%d,%d,%d,%d,%d)",a,b,c,d,e,f,g,h);
      fflush(out);
      va_return_int(alist, r);
    }}
  else if (current_function == (void*)&i_i16)
    {
      va_start_int(alist);
     {int a = va_arg_int(alist);
      int b = va_arg_int(alist);
      int c = va_arg_int(alist);
      int d = va_arg_int(alist);
      int e = va_arg_int(alist);
      int f = va_arg_int(alist);
      int g = va_arg_int(alist);
      int h = va_arg_int(alist);
      int i = va_arg_int(alist);
      int j = va_arg_int(alist);
      int k = va_arg_int(alist);
      int l = va_arg_int(alist);
      int m = va_arg_int(alist);
      int n = va_arg_int(alist);
      int o = va_arg_int(alist);
      int p = va_arg_int(alist);
      int r=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p;
      fprintf(out,"int f(16*int):(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)",
              a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p);
      fflush(out);
      va_return_int(alist, r);
    }}

  /* float tests */
  else if (current_function == (void*)&f_f)
    {
      va_start_float(alist);
     {float a = va_arg_float(alist);
      float r=a+1.0;
      fprintf(out,"float f(float):(%g)",a);
      fflush(out);
      va_return_float(alist, r);
    }}
  else if (current_function == (void*)&f_f2)
    {
      va_start_float(alist);
     {float a = va_arg_float(alist);
      float b = va_arg_float(alist);
      float r=a+b;
      fprintf(out,"float f(2*float):(%g,%g)",a,b);
      fflush(out);
      va_return_float(alist, r);
    }}
  else if (current_function == (void*)&f_f4)
    {
      va_start_float(alist);
     {float a = va_arg_float(alist);
      float b = va_arg_float(alist);
      float c = va_arg_float(alist);
      float d = va_arg_float(alist);
      float r=a+b+c+d;
      fprintf(out,"float f(4*float):(%g,%g,%g,%g)",a,b,c,d);
      fflush(out);
      va_return_float(alist, r);
    }}
  else if (current_function == (void*)&f_f8)
    {
      va_start_float(alist);
     {float a = va_arg_float(alist);
      float b = va_arg_float(alist);
      float c = va_arg_float(alist);
      float d = va_arg_float(alist);
      float e = va_arg_float(alist);
      float f = va_arg_float(alist);
      float g = va_arg_float(alist);
      float h = va_arg_float(alist);
      float r=a+b+c+d+e+f+g+h;
      fprintf(out,"float f(8*float):(%g,%g,%g,%g,%g,%g,%g,%g)",a,b,c,d,e,f,g,h);
      fflush(out);
      va_return_float(alist, r);
    }}
  else if (current_function == (void*)&f_f16)
    {
      va_start_float(alist);
     {float a = va_arg_float(alist);
      float b = va_arg_float(alist);
      float c = va_arg_float(alist);
      float d = va_arg_float(alist);
      float e = va_arg_float(alist);
      float f = va_arg_float(alist);
      float g = va_arg_float(alist);
      float h = va_arg_float(alist);
      float i = va_arg_float(alist);
      float j = va_arg_float(alist);
      float k = va_arg_float(alist);
      float l = va_arg_float(alist);
      float m = va_arg_float(alist);
      float n = va_arg_float(alist);
      float o = va_arg_float(alist);
      float p = va_arg_float(alist);
      float r=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p;
      fprintf(out,"float f(16*float):(%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g)",a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p);
      fflush(out);
      va_return_float(alist, r);
    }}

  /* double tests */
  else if (current_function == (void*)&d_d)
    {
      va_start_double(alist);
     {double a = va_arg_double(alist);
      double r=a+1.0;
      fprintf(out,"double f(double):(%g)",a);
      fflush(out);
      va_return_double(alist, r);
    }}
  else if (current_function == (void*)&d_d2)
    {
      va_start_double(alist);
     {double a = va_arg_double(alist);
      double b = va_arg_double(alist);
      double r=a+b;
      fprintf(out,"double f(2*double):(%g,%g)",a,b);
      fflush(out);
      va_return_double(alist, r);
    }}
  else if (current_function == (void*)&d_d4)
    {
      va_start_double(alist);
     {double a = va_arg_double(alist);
      double b = va_arg_double(alist);
      double c = va_arg_double(alist);
      double d = va_arg_double(alist);
      double r=a+b+c+d;
      fprintf(out,"double f(4*double):(%g,%g,%g,%g)",a,b,c,d);
      fflush(out);
      va_return_double(alist, r);
    }}
  else if (current_function == (void*)&d_d8)
    {
      va_start_double(alist);
     {double a = va_arg_double(alist);
      double b = va_arg_double(alist);
      double c = va_arg_double(alist);
      double d = va_arg_double(alist);
      double e = va_arg_double(alist);
      double f = va_arg_double(alist);
      double g = va_arg_double(alist);
      double h = va_arg_double(alist);
      double r=a+b+c+d+e+f+g+h;
      fprintf(out,"double f(8*double):(%g,%g,%g,%g,%g,%g,%g,%g)",a,b,c,d,e,f,g,h);
      fflush(out);
      va_return_double(alist, r);
    }}
  else if (current_function == (void*)&d_d16)
    {
      va_start_double(alist);
     {double a = va_arg_double(alist);
      double b = va_arg_double(alist);
      double c = va_arg_double(alist);
      double d = va_arg_double(alist);
      double e = va_arg_double(alist);
      double f = va_arg_double(alist);
      double g = va_arg_double(alist);
      double h = va_arg_double(alist);
      double i = va_arg_double(alist);
      double j = va_arg_double(alist);
      double k = va_arg_double(alist);
      double l = va_arg_double(alist);
      double m = va_arg_double(alist);
      double n = va_arg_double(alist);
      double o = va_arg_double(alist);
      double p = va_arg_double(alist);
      double r=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p;
      fprintf(out,"double f(16*double):(%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g,%g)",a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p);
      fflush(out);
      va_return_double(alist, r);
    }}

  /* pointer tests */
  else if (current_function == (void*)&vp_vpdpcpsp)
    {
      va_start_ptr(alist, void*);
     {void* a = va_arg_ptr(alist, void*);
      double* b = va_arg_ptr(alist, double*);
      char* c = va_arg_ptr(alist, char*);
      Int* d = va_arg_ptr(alist, Int*);
      void* ret = (char*)b + 1;
      fprintf(out,"void* f(void*,double*,char*,Int*):(0x%lx,0x%lx,0x%lx,0x%lx)",(long)a,(long)b,(long)c,(long)d);
      fflush(out);
      va_return_ptr(alist, void*, ret);
    }}

  /* mixed number tests */
  else if (current_function == (void*)&uc_ucsil)
    {
      va_start_uchar(alist);
     {uchar a = va_arg_uchar(alist);
      ushort b = va_arg_ushort(alist);
      uint c = va_arg_uint(alist);
      ulong d = va_arg_ulong(alist);
      uchar r = (uchar)-1;
      fprintf(out,"uchar f(uchar,ushort,uint,ulong):(%u,%u,%u,%lu)",a,b,c,d);
      fflush(out);
      va_return_uchar(alist, r);
    }}
  else if (current_function == (void*)&d_iidd)
    {
      va_start_double(alist);
     {int a = va_arg_int(alist);
      int b = va_arg_int(alist);
      double c = va_arg_double(alist);
      double d = va_arg_double(alist);
      double r=a+b+c+d;
      fprintf(out,"double f(int,int,double,double):(%d,%d,%g,%g)",a,b,c,d);
      fflush(out);
      va_return_double(alist, r);
    }}
  else if (current_function == (void*)&d_idid)
    {
      va_start_double(alist);
     {int a = va_arg_int(alist);
      double b = va_arg_double(alist);
      int c = va_arg_int(alist);
      double d = va_arg_double(alist);
      double r=a+b+c+d;
      fprintf(out,"double f(int,double,int,double):(%d,%g,%d,%g)",a,b,c,d);
      fflush(out);
      va_return_double(alist, r);
    }}
  else if (current_function == (void*)&us_cdcd)
    {
      va_start_ushort(alist);
     {char a = va_arg_char(alist);
      double b = va_arg_double(alist);
      char c = va_arg_char(alist);
      double d = va_arg_double(alist);
      ushort r = (ushort)(a + b + c + d);
      fprintf(out,"ushort f(char,double,char,double):('%c',%g,'%c',%g)",a,b,c,d);
      fflush(out);
      va_return_ushort(alist, r);
    }}
#ifdef HAVE_LONG_LONG_INT
  else if (current_function == (void*)&ll_flli)
    {
      va_start_longlong(alist);
     {float a = va_arg_float(alist);
      long long b = va_arg_longlong(alist);
      int c = va_arg_int(alist);
      long long r = (long long)(int)a + b + (long long)c;
      fprintf(out,"long long f(float,long long,int):(%g,0x%lx%08lx,0x%lx)",a,(long)(b>>32),(long)(b&0xffffffff),(long)c);
      fflush(out);
      va_return_longlong(alist, r);
    }}
#endif

#ifndef SKIP_STRUCTS
  /* structure tests */
  else if (current_function == (void*)&I_III)
    {
      Int a;
      Int b;
      Int c;
      Int r;
      va_start_struct(alist, Int, 1);
      a = va_arg_struct(alist, Int);
      b = va_arg_struct(alist, Int);
      c = va_arg_struct(alist, Int);
      r.x = a.x + b.x + c.x;
      fprintf(out,"Int f(Int,Int,Int):({%d},{%d},{%d})",a.x,b.x,c.x);
      fflush(out);
      va_return_struct(alist, Int, r);
    }
#ifndef SKIP_EXTRA_STRUCTS
  else if (current_function == (void*)&C_CdC)
    {
      Char a;
      double b;
      Char c;
      Char r;
      va_start_struct(alist, Char, 1);
      a = va_arg_struct(alist, Char);
      b = va_arg_double(alist);
      c = va_arg_struct(alist, Char);
      r.x = (a.x + c.x)/2;
      fprintf(out,"Char f(Char,double,Char):({'%c'},%g,{'%c'})",a.x,b,c.x);
      fflush(out);
      va_return_struct(alist, Char, r);
    }
  else if (current_function == (void*)&F_Ffd)
    {
      Float a;
      float b;
      double c;
      Float r;
      va_start_struct(alist, Float, va_word_splittable_1(float));
      a = va_arg_struct(alist, Float);
      b = va_arg_float(alist);
      c = va_arg_double(alist);
      r.x = a.x + b + c;
      fprintf(out,"Float f(Float,float,double):({%g},%g,%g)",a.x,b,c);
      fflush(out);
      va_return_struct(alist, Float, r);
    }
  else if (current_function == (void*)&D_fDd)
    {
      float a;
      Double b;
      double c;
      Double r;
      va_start_struct(alist, Double, va_word_splittable_1(double));
      a = va_arg_float(alist);
      b = va_arg_struct(alist, Double);
      c = va_arg_double(alist);
      r.x = a + b.x + c;
      fprintf(out,"Double f(float,Double,double):(%g,{%g},%g)",a,b.x,c);
      fflush(out);
      va_return_struct(alist, Double, r);
    }
#endif
  else if (current_function == (void*)&J_JiJ)
    {
      J a;
      int b;
      J c;
      J r;
      va_start_struct(alist, J, va_word_splittable_2(long,long));
      a = va_arg_struct(alist, J);
      b = va_arg_int(alist);
      c = va_arg_struct(alist, J);
      r.l1 = a.l1+c.l1; r.l2 = a.l2+b+c.l2;
      fprintf(out,"J f(J,int,J):({%ld,%ld},%d,{%ld,%ld})",a.l1,a.l2,b,c.l1,c.l2);
      fflush(out);
      va_return_struct(alist, J, r);
    }
#ifndef SKIP_EXTRA_STRUCTS
  else if (current_function == (void*)&T_TcT)
    {
      T a;
      char b;
      T c;
      T r;
      va_start_struct(alist, T, 1);
      a = va_arg_struct(alist, T);
      b = va_arg_char(alist);
      c = va_arg_struct(alist, T);
      r.c[0]='b'; r.c[1]=c.c[1]; r.c[2]=c.c[2];
      fprintf(out,"T f(T,char,T):({\"%c%c%c\"},'%c',{\"%c%c%c\"})",a.c[0],a.c[1],a.c[2],b,c.c[0],c.c[1],c.c[2]);
      fflush(out);
      va_return_struct(alist, T, r);
    }
  else if (current_function == (void*)&X_BcdB)
    {
      B a;
      char b;
      double c;
      B d;
      static X xr={"return val",'R'};
      X r;
      va_start_struct(alist, X, 0);
      a = va_arg_struct(alist, B);
      b = va_arg_char(alist);
      c = va_arg_double(alist);
      d = va_arg_struct(alist, B);
      r = xr;
      r.c1 = b;
      fprintf(out,"X f(B,char,double,B):({%g,{%d,%d,%d}},'%c',%g,{%g,{%d,%d,%d}})",
              a.d,a.i[0],a.i[1],a.i[2],b,c,d.d,d.i[0],d.i[1],d.i[2]);
      fflush(out);
      va_return_struct(alist, X, r);
    }
#endif
#endif

  else
    {
      fprintf(out,"simulate: unknown function\n");
      fflush(out);
    }
}

/*
 * The way we run these tests - first call the function directly, then
 * through vacall() - there is the danger that arguments or results seem
 * to be passed correctly, but what we are seeing are in fact the vestiges
 * (traces) or the previous call. This may seriously fake the test.
 * Avoid this by clearing the registers between the first and the second call.
 */
long clear_traces_i (long a, long b, long c, long d, long e, long f, long g, long h,
                     long i, long j, long k, long l, long m, long n, long o, long p)
{ return 0; }
float clear_traces_f (float a, float b, float c, float d, float e, float f, float g,
                      float h, float i, float j, float k, float l, float m, float n,
                      float o, float p)
{ return 0.0; }
double clear_traces_d (double a, double b, double c, double d, double e, double f, double g,
                       double h, double i, double j, double k, double l, double m, double n,
                       double o, double p)
{ return 0.0; }
J clear_traces_J (void)
{ J j; j.l1 = j.l2 = 0; return j; }
void clear_traces (void)
{ clear_traces_i(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);
  clear_traces_f(0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0);
  clear_traces_d(0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0);
  clear_traces_J();
}

int main (void)
{
  out = stdout;

  vacall_function = &simulator;

  /* void tests */
  v_v();
  clear_traces();
  current_function = (void*) &v_v; ((void (*) (void)) vacall) ();

  /* int tests */
  { int ir;

    ir = i_v();
    fprintf(out,"->%d\n",ir);
    fflush(out);
    ir = 0; clear_traces();
    current_function = (void*) &i_v; ir = ((int (*) (void)) vacall) ();
    fprintf(out,"->%d\n",ir);
    fflush(out);

    ir = i_i(i1);
    fprintf(out,"->%d\n",ir);
    fflush(out);
    ir = 0; clear_traces();
    current_function = (void*) &i_i; ir = ((int (*) (int)) vacall) (i1);
    fprintf(out,"->%d\n",ir);
    fflush(out);

    ir = i_i2(i1,i2);
    fprintf(out,"->%d\n",ir);
    fflush(out);
    ir = 0; clear_traces();
    current_function = (void*) &i_i2; ir = ((int (*) (int,int)) vacall) (i1,i2);
    fprintf(out,"->%d\n",ir);
    fflush(out);

    ir = i_i4(i1,i2,i3,i4);
    fprintf(out,"->%d\n",ir);
    fflush(out);
    ir = 0; clear_traces();
    current_function = (void*) &i_i4; ir = ((int (*) (int,int,int,int)) vacall) (i1,i2,i3,i4);
    fprintf(out,"->%d\n",ir);
    fflush(out);

    ir = i_i8(i1,i2,i3,i4,i5,i6,i7,i8);
    fprintf(out,"->%d\n",ir);
    fflush(out);
    ir = 0; clear_traces();
    current_function = (void*) &i_i8; ir = ((int (*) (int,int,int,int,int,int,int,int)) vacall) (i1,i2,i3,i4,i5,i6,i7,i8);
    fprintf(out,"->%d\n",ir);
    fflush(out);

    ir = i_i16(i1,i2,i3,i4,i5,i6,i7,i8,i9,i10,i11,i12,i13,i14,i15,i16);
    fprintf(out,"->%d\n",ir);
    fflush(out);
    ir = 0; clear_traces();
    current_function = (void*) &i_i16; ir = ((int (*) (int,int,int,int,int,int,int,int,int,int,int,int,int,int,int,int)) vacall) (i1,i2,i3,i4,i5,i6,i7,i8,i9,i10,i11,i12,i13,i14,i15,i16);
    fprintf(out,"->%d\n",ir);
    fflush(out);
  }

  /* float tests */
  { float fr;

    fr = f_f(f1);
    fprintf(out,"->%g\n",fr);
    fflush(out);
    fr = 0.0; clear_traces();
    current_function = (void*) &f_f; fr = ((float (*) (float)) vacall) (f1);
    fprintf(out,"->%g\n",fr);
    fflush(out);

    fr = f_f2(f1,f2);
    fprintf(out,"->%g\n",fr);
    fflush(out);
    fr = 0.0; clear_traces();
    current_function = (void*) &f_f2; fr = ((float (*) (float,float)) vacall) (f1,f2);
    fprintf(out,"->%g\n",fr);
    fflush(out);

    fr = f_f4(f1,f2,f3,f4);
    fprintf(out,"->%g\n",fr);
    fflush(out);
    fr = 0.0; clear_traces();
    current_function = (void*) &f_f4; fr = ((float (*) (float,float,float,float)) vacall) (f1,f2,f3,f4);
    fprintf(out,"->%g\n",fr);
    fflush(out);

    fr = f_f8(f1,f2,f3,f4,f5,f6,f7,f8);
    fprintf(out,"->%g\n",fr);
    fflush(out);
    fr = 0.0; clear_traces();
    current_function = (void*) &f_f8; fr = ((float (*) (float,float,float,float,float,float,float,float)) vacall) (f1,f2,f3,f4,f5,f6,f7,f8);
    fprintf(out,"->%g\n",fr);
    fflush(out);

    fr = f_f16(f1,f2,f3,f4,f5,f6,f7,f8,f9,f10,f11,f12,f13,f14,f15,f16);
    fprintf(out,"->%g\n",fr);
    fflush(out);
    fr = 0.0; clear_traces();
    current_function = (void*) &f_f16; fr = ((float (*) (float,float,float,float,float,float,float,float,float,float,float,float,float,float,float,float)) vacall) (f1,f2,f3,f4,f5,f6,f7,f8,f9,f10,f11,f12,f13,f14,f15,f16);
    fprintf(out,"->%g\n",fr);
    fflush(out);
  }

  /* double tests */
  { double dr;

    dr = d_d(d1);
    fprintf(out,"->%g\n",dr);
    fflush(out);
    dr = 0.0; clear_traces();
    current_function = (void*) &d_d; dr = ((double (*) (double)) vacall) (d1);
    fprintf(out,"->%g\n",dr);
    fflush(out);

    dr = d_d2(d1,d2);
    fprintf(out,"->%g\n",dr);
    fflush(out);
    dr = 0.0; clear_traces();
    current_function = (void*) &d_d2; dr = ((double (*) (double,double)) vacall) (d1,d2);
    fprintf(out,"->%g\n",dr);
    fflush(out);

    dr = d_d4(d1,d2,d3,d4);
    fprintf(out,"->%g\n",dr);
    fflush(out);
    dr = 0.0; clear_traces();
    current_function = (void*) &d_d4; dr = ((double (*) (double,double,double,double)) vacall) (d1,d2,d3,d4);
    fprintf(out,"->%g\n",dr);
    fflush(out);

    dr = d_d8(d1,d2,d3,d4,d5,d6,d7,d8);
    fprintf(out,"->%g\n",dr);
    fflush(out);
    dr = 0.0; clear_traces();
    current_function = (void*) &d_d8; dr = ((double (*) (double,double,double,double,double,double,double,double)) vacall) (d1,d2,d3,d4,d5,d6,d7,d8);
    fprintf(out,"->%g\n",dr);
    fflush(out);

    dr = d_d16(d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12,d13,d14,d15,d16);
    fprintf(out,"->%g\n",dr);
    fflush(out);
    dr = 0.0; clear_traces();
    current_function = (void*) &d_d16; dr = ((double (*) (double,double,double,double,double,double,double,double,double,double,double,double,double,double,double,double)) vacall) (d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12,d13,d14,d15,d16);
    fprintf(out,"->%g\n",dr);
    fflush(out);
  }

  /* pointer tests */
  { void* vpr;

    vpr = vp_vpdpcpsp(&uc1,&d2,str3,&I4);
    fprintf(out,"->0x%lx\n",(long)vpr);
    fflush(out);
    vpr = 0; clear_traces();
    current_function = (void*) &vp_vpdpcpsp; vpr = ((void* (*) (void*,double*,char*,Int*)) vacall) (&uc1,&d2,str3,&I4);
    fprintf(out,"->0x%lx\n",(long)vpr);
    fflush(out);
  }

  /* mixed number tests */
  { uchar ucr;
    ushort usr;
    double dr;
#ifdef HAVE_LONG_LONG_INT
    long long llr;
#endif

    ucr = uc_ucsil(uc1,us2,ui3,ul4);
    fprintf(out,"->%u\n",ucr);
    fflush(out);
    ucr = 0; clear_traces();
    current_function = (void*) &uc_ucsil; ucr = ((uchar (*) (uchar,ushort,uint,ulong)) vacall) (uc1,us2,ui3,ul4);
    fprintf(out,"->%u\n",ucr);
    fflush(out);

    dr = d_iidd(i1,i2,d3,d4);
    fprintf(out,"->%g\n",dr);
    fflush(out);
    dr = 0.0; clear_traces();
    current_function = (void*) &d_iidd; dr = ((double (*) (int,int,double,double)) vacall) (i1,i2,d3,d4);
    fprintf(out,"->%g\n",dr);
    fflush(out);

    dr = d_idid(i1,d2,i3,d4);
    fprintf(out,"->%g\n",dr);
    fflush(out);
    dr = 0.0; clear_traces();
    current_function = (void*) &d_idid; dr = ((double (*) (int,double,int,double)) vacall) (i1,d2,i3,d4);
    fprintf(out,"->%g\n",dr);
    fflush(out);

    usr = us_cdcd(c1,d2,c3,d4);
    fprintf(out,"->%u\n",usr);
    fflush(out);
    usr = 0; clear_traces();
    current_function = (void*) &us_cdcd; usr = ((ushort (*) (char,double,char,double)) vacall) (c1,d2,c3,d4);
    fprintf(out,"->%u\n",usr);
    fflush(out);

#ifdef HAVE_LONG_LONG_INT
    llr = ll_flli(f13,ll1,i13);
    fprintf(out,"->0x%lx%08lx\n",(long)(llr>>32),(long)(llr&0xffffffff));
    fflush(out);
    llr = 0; clear_traces();
    current_function = (void*) &ll_flli; llr = ((long long (*) (float,long long,int)) vacall) (f13,ll1,i13);
    fprintf(out,"->0x%lx%08lx\n",(long)(llr>>32),(long)(llr&0xffffffff));
    fflush(out);
#endif
  }

#ifndef SKIP_STRUCTS
  /* structure tests */
  { Int Ir;
    Char Cr;
    Float Fr;
    Double Dr;
    J Jr;
    T Tr;
    X Xr;

    Ir = I_III(I1,I2,I3);
    fprintf(out,"->{%d}\n",Ir.x);
    fflush(out);
    Ir.x = 0; clear_traces();
    current_function = (void*) &I_III; Ir = ((Int (*) (Int,Int,Int)) vacall) (I1,I2,I3);
    fprintf(out,"->{%d}\n",Ir.x);
    fflush(out);

#ifndef SKIP_EXTRA_STRUCTS
    Cr = C_CdC(C1,d2,C3);
    fprintf(out,"->{'%c'}\n",Cr.x);
    fflush(out);
    Cr.x = '\0'; clear_traces();
    current_function = (void*) &C_CdC; Cr = ((Char (*) (Char,double,Char)) vacall) (C1,d2,C3);
    fprintf(out,"->{'%c'}\n",Cr.x);
    fflush(out);

    Fr = F_Ffd(F1,f2,d3);
    fprintf(out,"->{%g}\n",Fr.x);
    fflush(out);
    Fr.x = 0.0; clear_traces();
    current_function = (void*) &F_Ffd; Fr = ((Float (*) (Float,float,double)) vacall) (F1,f2,d3);
    fprintf(out,"->{%g}\n",Fr.x);
    fflush(out);

    Dr = D_fDd(f1,D2,d3);
    fprintf(out,"->{%g}\n",Dr.x);
    fflush(out);
    Dr.x = 0.0; clear_traces();
    current_function = (void*) &D_fDd; Dr = ((Double (*) (float,Double,double)) vacall) (f1,D2,d3);
    fprintf(out,"->{%g}\n",Dr.x);
    fflush(out);
#endif

    Jr = J_JiJ(J1,i2,J2);
    fprintf(out,"->{%ld,%ld}\n",Jr.l1,Jr.l2);
    fflush(out);
    Jr.l1 = Jr.l2 = 0; clear_traces();
    current_function = (void*) &J_JiJ; Jr = ((J (*) (J,int,J)) vacall) (J1,i2,J2);
    fprintf(out,"->{%ld,%ld}\n",Jr.l1,Jr.l2);
    fflush(out);

#ifndef SKIP_EXTRA_STRUCTS
#ifndef SKIP_T
    Tr = T_TcT(T1,' ',T2);
    fprintf(out,"->{\"%c%c%c\"}\n",Tr.c[0],Tr.c[1],Tr.c[2]);
    fflush(out);
    Tr.c[0] = Tr.c[1] = Tr.c[2] = 0; clear_traces();
    current_function = (void*) &T_TcT; Tr = ((T (*) (T,char,T)) vacall) (T1,' ',T2);
    fprintf(out,"->{\"%c%c%c\"}\n",Tr.c[0],Tr.c[1],Tr.c[2]);
    fflush(out);
#endif

#ifndef SKIP_X
    Xr = X_BcdB(B1,c2,d3,B2);
    fprintf(out,"->{\"%s\",'%c'}\n",Xr.c,Xr.c1);
    fflush(out);
    Xr.c[0]=Xr.c1='\0'; clear_traces();
    current_function = (void*) &X_BcdB; Xr = ((X (*) (B,char,double,B)) vacall) (B1,c2,d3,B2);
    fprintf(out,"->{\"%s\",'%c'}\n",Xr.c,Xr.c1);
    fflush(out);
#endif
#endif
  }
#endif

  exit(0);
}
