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111
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1 /* -*-c-*- */
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2 #include "ffitest.h"
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3 #include <complex.h>
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4
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5 typedef struct cls_struct_align {
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6 unsigned char a;
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7 _Complex T_C_TYPE b;
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8 unsigned char c;
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9 } cls_struct_align;
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10
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11 cls_struct_align cls_struct_align_fn(
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12 struct cls_struct_align a1, struct cls_struct_align a2)
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13 {
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14 struct cls_struct_align result;
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15
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16 result.a = a1.a + a2.a;
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17 result.b = a1.b + a2.b;
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18 result.c = a1.c + a2.c;
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19
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20 printf("%d %f,%fi %d %d %f,%fi %d: %d %f,%fi %d\n",
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21 a1.a, T_CONV creal (a1.b), T_CONV cimag (a1.b), a1.c,
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22 a2.a, T_CONV creal (a2.b), T_CONV cimag (a2.b), a2.c,
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23 result.a, T_CONV creal (result.b), T_CONV cimag (result.b), result.c);
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24
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25 return result;
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26 }
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27
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28 static void
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29 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
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30 void* userdata __UNUSED__)
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31 {
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32
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33 struct cls_struct_align a1, a2;
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34
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35 a1 = *(struct cls_struct_align*)(args[0]);
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36 a2 = *(struct cls_struct_align*)(args[1]);
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37
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38 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
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39 }
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40
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41 int main (void)
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42 {
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43 ffi_cif cif;
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44 void *code;
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45 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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46 void* args_c[5];
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47 ffi_type* cls_struct_fields[4];
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48 ffi_type cls_struct_type;
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49 ffi_type* c_arg_types[5];
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50
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51 struct cls_struct_align g_c = { 12, 4951 + 7 * I, 127 };
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52 struct cls_struct_align f_c = { 1, 9320 + 1 * I, 13 };
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53 struct cls_struct_align res_c;
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54
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55 cls_struct_type.size = 0;
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56 cls_struct_type.alignment = 0;
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57 cls_struct_type.type = FFI_TYPE_STRUCT;
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58 cls_struct_type.elements = cls_struct_fields;
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59
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60 cls_struct_fields[0] = &ffi_type_uchar;
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61 cls_struct_fields[1] = &T_FFI_TYPE;
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62 cls_struct_fields[2] = &ffi_type_uchar;
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63 cls_struct_fields[3] = NULL;
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64
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65 c_arg_types[0] = &cls_struct_type;
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66 c_arg_types[1] = &cls_struct_type;
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67 c_arg_types[2] = NULL;
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68
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69 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
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70 c_arg_types) == FFI_OK);
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71
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72 args_c[0] = &g_c;
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73 args_c[1] = &f_c;
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74 args_c[2] = NULL;
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75
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76 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_c, args_c);
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77 /* { dg-output "12 4951,7i 127 1 9320,1i 13: 13 14271,8i 140" } */
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78 printf("res: %d %f,%fi %d\n",
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79 res_c.a, T_CONV creal (res_c.b), T_CONV cimag (res_c.b), res_c.c);
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80 /* { dg-output "\nres: 13 14271,8i 140" } */
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81
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82 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
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83
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84 res_c = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_c, f_c);
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85 /* { dg-output "\n12 4951,7i 127 1 9320,1i 13: 13 14271,8i 140" } */
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86 printf("res: %d %f,%fi %d\n",
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87 res_c.a, T_CONV creal (res_c.b), T_CONV cimag (res_c.b), res_c.c);
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88 /* { dg-output "\nres: 13 14271,8i 140" } */
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89
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90 exit(0);
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91 }
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