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111
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1 /* Area: ffi_call
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2 Purpose: Check structures.
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3 Limitations: none.
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4 PR: none.
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5 Originator: From the original ffitest.c */
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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 typedef struct
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10 {
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11 char c1;
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12 char c2;
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13 } test_structure_5;
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14
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15 static test_structure_5 ABI_ATTR struct5(test_structure_5 ts1, test_structure_5 ts2)
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16 {
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17 ts1.c1 += ts2.c1;
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18 ts1.c2 -= ts2.c2;
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19
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20 return ts1;
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21 }
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22
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23 int main (void)
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24 {
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25 ffi_cif cif;
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26 ffi_type *args[MAX_ARGS];
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27 void *values[MAX_ARGS];
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28 ffi_type ts5_type;
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29 ffi_type *ts5_type_elements[3];
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30
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31 test_structure_5 ts5_arg1, ts5_arg2;
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32
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33 /* This is a hack to get a properly aligned result buffer */
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34 test_structure_5 *ts5_result =
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35 (test_structure_5 *) malloc (sizeof(test_structure_5));
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36
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37 ts5_type.size = 0;
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38 ts5_type.alignment = 0;
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39 ts5_type.type = FFI_TYPE_STRUCT;
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40 ts5_type.elements = ts5_type_elements;
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41 ts5_type_elements[0] = &ffi_type_schar;
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42 ts5_type_elements[1] = &ffi_type_schar;
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43 ts5_type_elements[2] = NULL;
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44
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45 args[0] = &ts5_type;
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46 args[1] = &ts5_type;
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47 values[0] = &ts5_arg1;
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48 values[1] = &ts5_arg2;
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49
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50 /* Initialize the cif */
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51 CHECK(ffi_prep_cif(&cif, ABI_NUM, 2, &ts5_type, args) == FFI_OK);
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52
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53 ts5_arg1.c1 = 2;
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54 ts5_arg1.c2 = 6;
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55 ts5_arg2.c1 = 5;
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56 ts5_arg2.c2 = 3;
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57
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58 ffi_call (&cif, FFI_FN(struct5), ts5_result, values);
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59
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60 CHECK(ts5_result->c1 == 7);
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61 CHECK(ts5_result->c2 == 3);
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62
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63
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64 free (ts5_result);
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65 exit(0);
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66 }
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