1 | n/a | /* Area: ffi_call |
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2 | n/a | Purpose: Check different structures. |
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3 | n/a | Limitations: none. |
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4 | n/a | PR: none. |
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5 | n/a | Originator: Ronald Oussoren <oussoren@cistron.nl> 20030824 */ |
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6 | n/a | |
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7 | n/a | /* { dg-do run } */ |
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8 | n/a | #include "ffitest.h" |
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9 | n/a | |
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10 | n/a | typedef struct Point { |
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11 | n/a | float x; |
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12 | n/a | float y; |
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13 | n/a | } Point; |
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14 | n/a | |
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15 | n/a | typedef struct Size { |
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16 | n/a | float h; |
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17 | n/a | float w; |
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18 | n/a | } Size; |
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19 | n/a | |
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20 | n/a | typedef struct Rect { |
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21 | n/a | Point o; |
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22 | n/a | Size s; |
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23 | n/a | } Rect; |
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24 | n/a | |
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25 | n/a | int doit(int o, char* s, Point p, Rect r, int last) |
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26 | n/a | { |
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27 | n/a | printf("CALLED WITH %d %s {%f %f} {{%f %f} {%f %f}} %d\n", |
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28 | n/a | o, s, p.x, p.y, r.o.x, r.o.y, r.s.h, r.s.w, last); |
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29 | n/a | return 42; |
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30 | n/a | } |
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31 | n/a | |
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32 | n/a | |
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33 | n/a | int main(void) |
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34 | n/a | { |
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35 | n/a | ffi_type point_type; |
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36 | n/a | ffi_type size_type; |
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37 | n/a | ffi_type rect_type; |
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38 | n/a | ffi_cif cif; |
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39 | n/a | ffi_type* arglist[6]; |
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40 | n/a | void* values[6]; |
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41 | n/a | int r; |
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42 | n/a | |
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43 | n/a | /* |
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44 | n/a | * First set up FFI types for the 3 struct types |
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45 | n/a | */ |
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46 | n/a | |
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47 | n/a | point_type.size = 0; /*sizeof(Point);*/ |
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48 | n/a | point_type.alignment = 0; /*__alignof__(Point);*/ |
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49 | n/a | point_type.type = FFI_TYPE_STRUCT; |
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50 | n/a | point_type.elements = malloc(3 * sizeof(ffi_type*)); |
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51 | n/a | point_type.elements[0] = &ffi_type_float; |
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52 | n/a | point_type.elements[1] = &ffi_type_float; |
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53 | n/a | point_type.elements[2] = NULL; |
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54 | n/a | |
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55 | n/a | size_type.size = 0;/* sizeof(Size);*/ |
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56 | n/a | size_type.alignment = 0;/* __alignof__(Size);*/ |
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57 | n/a | size_type.type = FFI_TYPE_STRUCT; |
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58 | n/a | size_type.elements = malloc(3 * sizeof(ffi_type*)); |
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59 | n/a | size_type.elements[0] = &ffi_type_float; |
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60 | n/a | size_type.elements[1] = &ffi_type_float; |
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61 | n/a | size_type.elements[2] = NULL; |
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62 | n/a | |
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63 | n/a | rect_type.size = 0;/*sizeof(Rect);*/ |
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64 | n/a | rect_type.alignment =0;/* __alignof__(Rect);*/ |
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65 | n/a | rect_type.type = FFI_TYPE_STRUCT; |
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66 | n/a | rect_type.elements = malloc(3 * sizeof(ffi_type*)); |
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67 | n/a | rect_type.elements[0] = &point_type; |
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68 | n/a | rect_type.elements[1] = &size_type; |
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69 | n/a | rect_type.elements[2] = NULL; |
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70 | n/a | |
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71 | n/a | /* |
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72 | n/a | * Create a CIF |
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73 | n/a | */ |
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74 | n/a | arglist[0] = &ffi_type_sint; |
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75 | n/a | arglist[1] = &ffi_type_pointer; |
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76 | n/a | arglist[2] = &point_type; |
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77 | n/a | arglist[3] = &rect_type; |
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78 | n/a | arglist[4] = &ffi_type_sint; |
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79 | n/a | arglist[5] = NULL; |
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80 | n/a | |
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81 | n/a | r = ffi_prep_cif(&cif, FFI_DEFAULT_ABI, |
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82 | n/a | 5, &ffi_type_sint, arglist); |
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83 | n/a | if (r != FFI_OK) { |
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84 | n/a | abort(); |
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85 | n/a | } |
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86 | n/a | |
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87 | n/a | |
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88 | n/a | /* And call the function through the CIF */ |
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89 | n/a | |
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90 | n/a | { |
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91 | n/a | Point p = { 1.0, 2.0 }; |
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92 | n/a | Rect r = { { 9.0, 10.0}, { -1.0, -2.0 } }; |
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93 | n/a | int o = 0; |
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94 | n/a | int l = 42; |
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95 | n/a | char* m = "myMethod"; |
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96 | n/a | ffi_arg result; |
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97 | n/a | |
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98 | n/a | values[0] = &o; |
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99 | n/a | values[1] = &m; |
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100 | n/a | values[2] = &p; |
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101 | n/a | values[3] = &r; |
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102 | n/a | values[4] = &l; |
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103 | n/a | values[5] = NULL; |
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104 | n/a | |
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105 | n/a | printf("CALLING WITH %d %s {%f %f} {{%f %f} {%f %f}} %d\n", |
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106 | n/a | o, m, p.x, p.y, r.o.x, r.o.y, r.s.h, r.s.w, l); |
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107 | n/a | |
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108 | n/a | ffi_call(&cif, FFI_FN(doit), &result, values); |
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109 | n/a | |
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110 | n/a | printf ("The result is %d\n", (int)result); |
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111 | n/a | |
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112 | n/a | } |
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113 | n/a | exit(0); |
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114 | n/a | } |
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