libffi/testsuite/libffi.call/cls_multi_uchar.c

   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 { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
   8 #include "ffitest.h"
   9
  10 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, void *rval, void **avals, void *data)
  24 {
  25   unsigned char a1, a2, a3, a4;
  26
  27   a1 = *(unsigned char *)avals[0];
  28   a2 = *(unsigned char *)avals[1];
  29   a3 = *(unsigned char *)avals[2];
  30   a4 = *(unsigned char *)avals[3];
  31
  32   *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);
  33
  34 }
  35
  36 typedef unsigned char (*test_type)(unsigned char, unsigned char,
  37                                    unsigned char, unsigned char);
  38 void test_func(ffi_cif *cif, void *rval, void **avals, void *data)
  39 {
  40   printf("%d %d %d %d\n", *(unsigned char *)avals[0],
  41          *(unsigned char *)avals[1], *(unsigned char *)avals[2],
  42          *(unsigned char *)avals[3]);
  43 }
  44 int main (void)
  45 {
  46   ffi_cif cif;
  47 #ifndef USING_MMAP
  48   static ffi_closure cl;
  49 #endif
  50   ffi_closure *pcl;
  51   void * args_dbl[5];
  52   ffi_type * cl_arg_types[5];
  53   ffi_arg res_call;
  54   unsigned char a, b, c, d, res_closure;
  55
  56 #ifdef USING_MMAP
  57   pcl = allocate_mmap (sizeof(ffi_closure));
  58 #else
  59   pcl = &cl;
  60 #endif
  61
  62   a = 1;
  63   b = 2;
  64   c = 127;
  65   d = 125;
  66
  67   args_dbl[0] = &a;
  68   args_dbl[1] = &b;
  69   args_dbl[2] = &c;
  70   args_dbl[3] = &d;
  71   args_dbl[4] = NULL;
  72
  73   cl_arg_types[0] = &ffi_type_uchar;
  74   cl_arg_types[1] = &ffi_type_uchar;
  75   cl_arg_types[2] = &ffi_type_uchar;
  76   cl_arg_types[3] = &ffi_type_uchar;
  77   cl_arg_types[4] = NULL;
  78
  79   /* Initialize the cif */
  80   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
  81                      &ffi_type_uchar, cl_arg_types) == FFI_OK);
  82
  83   ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
  84   /* { dg-output "1 2 127 125: 255" } */
  85   printf("res: %d\n", res_call);
  86   /* { dg-output "\nres: 255" } */
  87
  88   CHECK(ffi_prep_closure(pcl, &cif, test_func_gn, NULL)  == FFI_OK);
  89
  90   res_closure = (*((test_type)pcl))(1, 2, 127, 125);
  91   /* { dg-output "\n1 2 127 125: 255" } */
  92   printf("res: %d\n", res_closure);
  93   /* { dg-output "\nres: 255" } */
  94
  95   exit(0);
  96 }