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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 float f1;
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12 float f2;
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13 float f3;
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14 float f4;
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15 } test_structure_8;
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16
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17 static test_structure_8 ABI_ATTR struct8 (test_structure_8 ts)
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18 {
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19 ts.f1 += 1;
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20 ts.f2 += 1;
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21 ts.f3 += 1;
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22 ts.f4 += 1;
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23
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24 return ts;
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25 }
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26
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27 int main (void)
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28 {
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29 ffi_cif cif;
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30 ffi_type *args[MAX_ARGS];
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31 void *values[MAX_ARGS];
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32 ffi_type ts8_type;
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33 ffi_type *ts8_type_elements[5];
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34
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35 test_structure_8 ts8_arg;
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36
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37 /* This is a hack to get a properly aligned result buffer */
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38 test_structure_8 *ts8_result =
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39 (test_structure_8 *) malloc (sizeof(test_structure_8));
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40
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41 ts8_type.size = 0;
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42 ts8_type.alignment = 0;
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43 ts8_type.type = FFI_TYPE_STRUCT;
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44 ts8_type.elements = ts8_type_elements;
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45 ts8_type_elements[0] = &ffi_type_float;
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46 ts8_type_elements[1] = &ffi_type_float;
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47 ts8_type_elements[2] = &ffi_type_float;
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48 ts8_type_elements[3] = &ffi_type_float;
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49 ts8_type_elements[4] = NULL;
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50
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51 args[0] = &ts8_type;
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52 values[0] = &ts8_arg;
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53
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54 /* Initialize the cif */
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55 CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts8_type, args) == FFI_OK);
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56
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57 ts8_arg.f1 = 5.55f;
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58 ts8_arg.f2 = 55.5f;
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59 ts8_arg.f3 = -5.55f;
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60 ts8_arg.f4 = -55.5f;
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61
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62 printf ("%g\n", ts8_arg.f1);
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63 printf ("%g\n", ts8_arg.f2);
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64 printf ("%g\n", ts8_arg.f3);
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65 printf ("%g\n", ts8_arg.f4);
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66
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67 ffi_call(&cif, FFI_FN(struct8), ts8_result, values);
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68
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69 printf ("%g\n", ts8_result->f1);
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70 printf ("%g\n", ts8_result->f2);
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71 printf ("%g\n", ts8_result->f3);
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72 printf ("%g\n", ts8_result->f4);
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73
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74 CHECK(ts8_result->f1 == 5.55f + 1);
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75 CHECK(ts8_result->f2 == 55.5f + 1);
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76 CHECK(ts8_result->f3 == -5.55f + 1);
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77 CHECK(ts8_result->f4 == -55.5f + 1);
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78
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79 free (ts8_result);
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80 exit(0);
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81 }
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