1  /* Area:	ffi_call, closure_call
       2     Purpose:	Check passing of multiple unsigned char values.
       3     Limitations:	none.
       4     PR:		PR13221.
       5     Originator:	<andreast@gcc.gnu.org> 20031129  */
       6  
       7  /* { dg-do run } */
       8  #include "ffitest.h"
       9  
      10  static unsigned char test_func_fn(unsigned char a1, unsigned char a2,
      11  			   unsigned char a3, unsigned char a4)
      12  {
      13    unsigned char result;
      14  
      15    result = a1 + a2 + a3 + a4;
      16  
      17    printf("%d %d %d %d: %d\n", a1, a2, a3, a4, result);
      18  
      19    return result;
      20  
      21  }
      22  
      23  static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
      24  			 void *data __UNUSED__)
      25  {
      26    unsigned char a1, a2, a3, a4;
      27  
      28    a1 = *(unsigned char *)avals[0];
      29    a2 = *(unsigned char *)avals[1];
      30    a3 = *(unsigned char *)avals[2];
      31    a4 = *(unsigned char *)avals[3];
      32  
      33    *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);
      34  
      35  }
      36  
      37  typedef unsigned char (*test_type)(unsigned char, unsigned char,
      38  				   unsigned char, unsigned char);
      39  
      40  void test_func(ffi_cif *cif __UNUSED__, void *rval __UNUSED__, void **avals,
      41  	       void *data __UNUSED__)
      42  {
      43    printf("%d %d %d %d\n", *(unsigned char *)avals[0],
      44  	 *(unsigned char *)avals[1], *(unsigned char *)avals[2],
      45  	 *(unsigned char *)avals[3]);
      46  }
      47  int main (void)
      48  {
      49    ffi_cif cif;
      50    void *code;
      51    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
      52    void * args_dbl[5];
      53    ffi_type * cl_arg_types[5];
      54    ffi_arg res_call;
      55    unsigned char a, b, c, d, res_closure;
      56  
      57    a = 1;
      58    b = 2;
      59    c = 127;
      60    d = 125;
      61  
      62    args_dbl[0] = &a;
      63    args_dbl[1] = &b;
      64    args_dbl[2] = &c;
      65    args_dbl[3] = &d;
      66    args_dbl[4] = NULL;
      67  
      68    cl_arg_types[0] = &ffi_type_uchar;
      69    cl_arg_types[1] = &ffi_type_uchar;
      70    cl_arg_types[2] = &ffi_type_uchar;
      71    cl_arg_types[3] = &ffi_type_uchar;
      72    cl_arg_types[4] = NULL;
      73  
      74    /* Initialize the cif */
      75    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
      76  		     &ffi_type_uchar, cl_arg_types) == FFI_OK);
      77  
      78    ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
      79    /* { dg-output "1 2 127 125: 255" } */
      80    printf("res: %d\n", (unsigned char)res_call);
      81    /* { dg-output "\nres: 255" } */
      82  
      83    CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code)  == FFI_OK);
      84  
      85    res_closure = (*((test_type)code))(1, 2, 127, 125);
      86    /* { dg-output "\n1 2 127 125: 255" } */
      87    printf("res: %d\n", res_closure);
      88    /* { dg-output "\nres: 255" } */
      89  
      90    exit(0);
      91  }