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111
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1 /* Area: closure_call
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2 Purpose: Check return value uchar.
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3 Limitations: none.
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4 PR: none.
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5 Originator: <andreast@gcc.gnu.org> 20030828 */
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6
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7 /* { dg-do run } */
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8 #include "ffitest.h"
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9
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10 static void cls_ret_uchar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
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11 void* userdata __UNUSED__)
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12 {
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13 *(ffi_arg*)resp = *(unsigned char *)args[0];
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14 printf("%d: %d\n",*(unsigned char *)args[0],
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15 (int)*(ffi_arg *)(resp));
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16 }
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17 typedef unsigned char (*cls_ret_uchar)(unsigned char);
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18
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19 int main (void)
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20 {
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21 ffi_cif cif;
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22 void *code;
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23 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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24 ffi_type * cl_arg_types[2];
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25 unsigned char res;
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26
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27 cl_arg_types[0] = &ffi_type_uchar;
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28 cl_arg_types[1] = NULL;
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29
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30 /* Initialize the cif */
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31 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
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32 &ffi_type_uchar, cl_arg_types) == FFI_OK);
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33
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34 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uchar_fn, NULL, code) == FFI_OK);
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35
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36 res = (*((cls_ret_uchar)code))(127);
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37 /* { dg-output "127: 127" } */
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38 printf("res: %d\n",res);
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39 /* { dg-output "\nres: 127" } */
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40
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41 exit(0);
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42 }
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