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111
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1 /* Area: ffi_call, closure_call
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2 Purpose: Check structure passing with different structure size.
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3 Depending on the ABI. Check overlapping.
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4 Limitations: none.
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5 PR: none.
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6 Originator: <andreast@gcc.gnu.org> 20030828 */
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7
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8 /* { dg-do run } */
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9 #include "ffitest.h"
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10
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11 typedef struct cls_struct_24byte {
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12 double a;
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13 double b;
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14 int c;
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15 float d;
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16 } cls_struct_24byte;
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17
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18 cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0,
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19 struct cls_struct_24byte b1,
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20 struct cls_struct_24byte b2,
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21 struct cls_struct_24byte b3)
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22 {
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23 struct cls_struct_24byte result;
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24
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25 result.a = b0.a + b1.a + b2.a + b3.a;
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26 result.b = b0.b + b1.b + b2.b + b3.b;
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27 result.c = b0.c + b1.c + b2.c + b3.c;
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28 result.d = b0.d + b1.d + b2.d + b3.d;
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29
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30 printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n",
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31 b0.a, b0.b, b0.c, b0.d,
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32 b1.a, b1.b, b1.c, b1.d,
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33 b2.a, b2.b, b2.c, b2.d,
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34 b3.a, b3.b, b3.c, b2.d,
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35 result.a, result.b, result.c, result.d);
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36
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37 return result;
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38 }
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39
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40 static void
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41 cls_struct_24byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
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42 void* userdata __UNUSED__)
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43 {
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44 struct cls_struct_24byte b0, b1, b2, b3;
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45
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46 b0 = *(struct cls_struct_24byte*)(args[0]);
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47 b1 = *(struct cls_struct_24byte*)(args[1]);
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48 b2 = *(struct cls_struct_24byte*)(args[2]);
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49 b3 = *(struct cls_struct_24byte*)(args[3]);
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50
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51 *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3);
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52 }
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53
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54 int main (void)
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55 {
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56 ffi_cif cif;
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57 void *code;
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58 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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59 void* args_dbl[5];
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60 ffi_type* cls_struct_fields[5];
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61 ffi_type cls_struct_type;
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62 ffi_type* dbl_arg_types[5];
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63
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64 struct cls_struct_24byte e_dbl = { 9.0, 2.0, 6, 5.0 };
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65 struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 };
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66 struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 };
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67 struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 };
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68 struct cls_struct_24byte res_dbl;
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69
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70 cls_struct_type.size = 0;
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71 cls_struct_type.alignment = 0;
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72 cls_struct_type.type = FFI_TYPE_STRUCT;
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73 cls_struct_type.elements = cls_struct_fields;
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74
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75 cls_struct_fields[0] = &ffi_type_double;
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76 cls_struct_fields[1] = &ffi_type_double;
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77 cls_struct_fields[2] = &ffi_type_sint;
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78 cls_struct_fields[3] = &ffi_type_float;
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79 cls_struct_fields[4] = NULL;
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80
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81 dbl_arg_types[0] = &cls_struct_type;
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82 dbl_arg_types[1] = &cls_struct_type;
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83 dbl_arg_types[2] = &cls_struct_type;
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84 dbl_arg_types[3] = &cls_struct_type;
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85 dbl_arg_types[4] = NULL;
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86
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87 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
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88 dbl_arg_types) == FFI_OK);
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89
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90 args_dbl[0] = &e_dbl;
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91 args_dbl[1] = &f_dbl;
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92 args_dbl[2] = &g_dbl;
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93 args_dbl[3] = &h_dbl;
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94 args_dbl[4] = NULL;
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95
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96 ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl);
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97 /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
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98 printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
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99 /* { dg-output "\nres: 22 15 17 25" } */
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100
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101 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_24byte_gn, NULL, code) == FFI_OK);
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102
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103 res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte,
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104 cls_struct_24byte,
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105 cls_struct_24byte,
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106 cls_struct_24byte))
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107 (code))(e_dbl, f_dbl, g_dbl, h_dbl);
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108 /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
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109 printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
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110 /* { dg-output "\nres: 22 15 17 25" } */
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111
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112 exit(0);
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113 }
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