gomp-20050608-branch/libffi/testsuite/libffi.call/cls_multi_schar.c

   1 /* Area:        ffi_call, closure_call
   2    Purpose:     Check passing of multiple signed char values.
   3    Limitations: none.
   4    PR:          PR13221.
   5    Originator:  <hos@tamanegi.org> 20031129  */
   6
   7 /* { dg-do run { xfail mips64*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
   8 #include "ffitest.h"
   9
  10 signed char test_func_fn(signed char a1, signed char a2)
  11 {
  12   signed char result;
  13
  14   result = a1 + a2;
  15
  16   printf("%d %d: %d\n", a1, a2, result);
  17
  18   return result;
  19
  20 }
  21
  22 static void test_func_gn(ffi_cif *cif, void *rval, void **avals, void *data)
  23 {
  24   signed char a1, a2;
  25
  26   a1 = *(signed char *)avals[0];
  27   a2 = *(signed char *)avals[1];
  28
  29   *(ffi_arg *)rval = test_func_fn(a1, a2);
  30
  31 }
  32
  33 typedef signed char (*test_type)(signed char, signed char);
  34
  35 int main (void)
  36 {
  37   ffi_cif cif;
  38 #ifndef USING_MMAP
  39   static ffi_closure cl;
  40 #endif
  41   ffi_closure *pcl;
  42   void * args_dbl[3];
  43   ffi_type * cl_arg_types[3];
  44   ffi_arg res_call;
  45   signed char a, b, res_closure;
  46
  47 #ifdef USING_MMAP
  48   pcl = allocate_mmap (sizeof(ffi_closure));
  49 #else
  50   pcl = &cl;
  51 #endif
  52
  53   a = 2;
  54   b = 125;
  55
  56   args_dbl[0] = &a;
  57   args_dbl[1] = &b;
  58   args_dbl[2] = NULL;
  59
  60   cl_arg_types[0] = &ffi_type_schar;
  61   cl_arg_types[1] = &ffi_type_schar;
  62   cl_arg_types[2] = NULL;
  63
  64   /* Initialize the cif */
  65   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
  66                      &ffi_type_schar, cl_arg_types) == FFI_OK);
  67
  68   ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
  69   /* { dg-output "2 125: 127" } */
  70   printf("res: %d\n", res_call);
  71   /* { dg-output "\nres: 127" } */
  72
  73   CHECK(ffi_prep_closure(pcl, &cif, test_func_gn, NULL)  == FFI_OK);
  74
  75   res_closure = (*((test_type)pcl))(2, 125);
  76   /* { dg-output "\n2 125: 127" } */
  77   printf("res: %d\n", res_closure);
  78   /* { dg-output "\nres: 127" } */
  79
  80   exit(0);
  81 }