1 | n/a | /* Area: ffi_call, closure_call |
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2 | n/a | Purpose: Check structure passing with different structure size. |
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3 | n/a | Contains structs as parameter of the struct itself. |
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4 | n/a | Sample taken from Alan Modras patch to src/prep_cif.c. |
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5 | n/a | Limitations: none. |
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6 | n/a | PR: none. |
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7 | n/a | Originator: <andreast@gcc.gnu.org> 20030911 */ |
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8 | n/a | |
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9 | n/a | /* { dg-do run } */ |
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10 | n/a | #include "ffitest.h" |
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11 | n/a | |
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12 | n/a | typedef struct A { |
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13 | n/a | unsigned long long a; |
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14 | n/a | unsigned char b; |
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15 | n/a | } A; |
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16 | n/a | |
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17 | n/a | typedef struct B { |
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18 | n/a | struct A x; |
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19 | n/a | unsigned char y; |
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20 | n/a | } B; |
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21 | n/a | |
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22 | n/a | B B_fn(struct A b0, struct B b1) |
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23 | n/a | { |
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24 | n/a | struct B result; |
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25 | n/a | |
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26 | n/a | result.x.a = b0.a + b1.x.a; |
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27 | n/a | result.x.b = b0.b + b1.x.b + b1.y; |
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28 | n/a | result.y = b0.b + b1.x.b; |
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29 | n/a | |
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30 | n/a | printf("%d %d %d %d %d: %d %d %d\n", (int)b0.a, b0.b, |
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31 | n/a | (int)b1.x.a, b1.x.b, b1.y, |
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32 | n/a | (int)result.x.a, result.x.b, result.y); |
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33 | n/a | |
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34 | n/a | return result; |
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35 | n/a | } |
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36 | n/a | |
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37 | n/a | static void |
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38 | n/a | B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, |
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39 | n/a | void* userdata __UNUSED__) |
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40 | n/a | { |
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41 | n/a | struct A b0; |
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42 | n/a | struct B b1; |
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43 | n/a | |
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44 | n/a | b0 = *(struct A*)(args[0]); |
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45 | n/a | b1 = *(struct B*)(args[1]); |
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46 | n/a | |
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47 | n/a | *(B*)resp = B_fn(b0, b1); |
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48 | n/a | } |
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49 | n/a | |
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50 | n/a | int main (void) |
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51 | n/a | { |
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52 | n/a | ffi_cif cif; |
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53 | n/a | void *code; |
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54 | n/a | ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); |
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55 | n/a | void* args_dbl[3]; |
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56 | n/a | ffi_type* cls_struct_fields[3]; |
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57 | n/a | ffi_type* cls_struct_fields1[3]; |
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58 | n/a | ffi_type cls_struct_type, cls_struct_type1; |
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59 | n/a | ffi_type* dbl_arg_types[3]; |
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60 | n/a | |
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61 | n/a | struct A e_dbl = { 1LL, 7}; |
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62 | n/a | struct B f_dbl = {{12LL , 127}, 99}; |
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63 | n/a | |
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64 | n/a | struct B res_dbl; |
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65 | n/a | |
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66 | n/a | cls_struct_type.size = 0; |
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67 | n/a | cls_struct_type.alignment = 0; |
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68 | n/a | cls_struct_type.type = FFI_TYPE_STRUCT; |
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69 | n/a | cls_struct_type.elements = cls_struct_fields; |
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70 | n/a | |
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71 | n/a | cls_struct_type1.size = 0; |
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72 | n/a | cls_struct_type1.alignment = 0; |
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73 | n/a | cls_struct_type1.type = FFI_TYPE_STRUCT; |
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74 | n/a | cls_struct_type1.elements = cls_struct_fields1; |
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75 | n/a | |
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76 | n/a | cls_struct_fields[0] = &ffi_type_uint64; |
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77 | n/a | cls_struct_fields[1] = &ffi_type_uchar; |
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78 | n/a | cls_struct_fields[2] = NULL; |
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79 | n/a | |
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80 | n/a | cls_struct_fields1[0] = &cls_struct_type; |
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81 | n/a | cls_struct_fields1[1] = &ffi_type_uchar; |
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82 | n/a | cls_struct_fields1[2] = NULL; |
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83 | n/a | |
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84 | n/a | |
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85 | n/a | dbl_arg_types[0] = &cls_struct_type; |
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86 | n/a | dbl_arg_types[1] = &cls_struct_type1; |
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87 | n/a | dbl_arg_types[2] = NULL; |
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88 | n/a | |
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89 | n/a | CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1, |
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90 | n/a | dbl_arg_types) == FFI_OK); |
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91 | n/a | |
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92 | n/a | args_dbl[0] = &e_dbl; |
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93 | n/a | args_dbl[1] = &f_dbl; |
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94 | n/a | args_dbl[2] = NULL; |
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95 | n/a | |
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96 | n/a | ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl); |
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97 | n/a | /* { dg-output "1 7 12 127 99: 13 233 134" } */ |
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98 | n/a | CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a)); |
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99 | n/a | CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y)); |
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100 | n/a | CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b)); |
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101 | n/a | |
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102 | n/a | |
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103 | n/a | CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK); |
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104 | n/a | |
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105 | n/a | res_dbl = ((B(*)(A, B))(code))(e_dbl, f_dbl); |
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106 | n/a | /* { dg-output "\n1 7 12 127 99: 13 233 134" } */ |
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107 | n/a | CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a)); |
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108 | n/a | CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y)); |
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109 | n/a | CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b)); |
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110 | n/a | exit(0); |
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111 | n/a | } |
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