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111
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1 /* Area: ffi_call, closure_call
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2 Purpose: Check structure alignment of uint16.
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3 Limitations: none.
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4 PR: none.
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5 Originator: <hos@tamanegi.org> 20031203 */
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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 typedef struct cls_struct_align {
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11 unsigned char a;
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12 unsigned short b;
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13 unsigned char c;
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14 } cls_struct_align;
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15
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16 cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
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17 struct cls_struct_align a2)
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18 {
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19 struct cls_struct_align result;
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20
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21 result.a = a1.a + a2.a;
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22 result.b = a1.b + a2.b;
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23 result.c = a1.c + a2.c;
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24
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25 printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
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26
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27 return result;
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28 }
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29
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30 static void
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31 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
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32 void* userdata __UNUSED__)
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33 {
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34
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35 struct cls_struct_align a1, a2;
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36
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37 a1 = *(struct cls_struct_align*)(args[0]);
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38 a2 = *(struct cls_struct_align*)(args[1]);
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39
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40 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
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41 }
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42
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43 int main (void)
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44 {
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45 ffi_cif cif;
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46 void *code;
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47 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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48 void* args_dbl[5];
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49 ffi_type* cls_struct_fields[4];
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50 ffi_type cls_struct_type;
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51 ffi_type* dbl_arg_types[5];
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52
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53 struct cls_struct_align g_dbl = { 12, 4951, 127 };
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54 struct cls_struct_align f_dbl = { 1, 9320, 13 };
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55 struct cls_struct_align res_dbl;
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56
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57 cls_struct_type.size = 0;
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58 cls_struct_type.alignment = 0;
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59 cls_struct_type.type = FFI_TYPE_STRUCT;
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60 cls_struct_type.elements = cls_struct_fields;
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61
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62 cls_struct_fields[0] = &ffi_type_uchar;
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63 cls_struct_fields[1] = &ffi_type_ushort;
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64 cls_struct_fields[2] = &ffi_type_uchar;
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65 cls_struct_fields[3] = NULL;
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66
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67 dbl_arg_types[0] = &cls_struct_type;
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68 dbl_arg_types[1] = &cls_struct_type;
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69 dbl_arg_types[2] = NULL;
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70
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71 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
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72 dbl_arg_types) == FFI_OK);
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73
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74 args_dbl[0] = &g_dbl;
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75 args_dbl[1] = &f_dbl;
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76 args_dbl[2] = NULL;
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77
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78 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
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79 /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
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80 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
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81 /* { dg-output "\nres: 13 14271 140" } */
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82
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83 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
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84
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85 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
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86 /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
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87 printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
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88 /* { dg-output "\nres: 13 14271 140" } */
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89
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90 exit(0);
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91 }
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