1 /* Area: ffi_call, closure_call 2 Purpose: Check structure passing with different structure size. 3 Depending on the ABI. Check overlapping. 4 Limitations: none. 5 PR: none. 6 Originator: <andreast (at) gcc.gnu.org> 20030828 */ 7 8 /* { dg-do run } */ 9 #include "ffitest.h" 10 11 typedef struct cls_struct_24byte { 12 double a; 13 double b; 14 int c; 15 float d; 16 } cls_struct_24byte; 17 18 cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0, 19 struct cls_struct_24byte b1, 20 struct cls_struct_24byte b2, 21 struct cls_struct_24byte b3) 22 { 23 struct cls_struct_24byte result; 24 25 result.a = b0.a + b1.a + b2.a + b3.a; 26 result.b = b0.b + b1.b + b2.b + b3.b; 27 result.c = b0.c + b1.c + b2.c + b3.c; 28 result.d = b0.d + b1.d + b2.d + b3.d; 29 30 printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n", 31 b0.a, b0.b, b0.c, b0.d, 32 b1.a, b1.b, b1.c, b1.d, 33 b2.a, b2.b, b2.c, b2.d, 34 b3.a, b3.b, b3.c, b2.d, 35 result.a, result.b, result.c, result.d); 36 37 return result; 38 } 39 40 static void 41 cls_struct_24byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 42 void* userdata __UNUSED__) 43 { 44 struct cls_struct_24byte b0, b1, b2, b3; 45 46 b0 = *(struct cls_struct_24byte*)(args[0]); 47 b1 = *(struct cls_struct_24byte*)(args[1]); 48 b2 = *(struct cls_struct_24byte*)(args[2]); 49 b3 = *(struct cls_struct_24byte*)(args[3]); 50 51 *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3); 52 } 53 54 int main (void) 55 { 56 ffi_cif cif; 57 #ifndef USING_MMAP 58 static ffi_closure cl; 59 #endif 60 ffi_closure *pcl; 61 void* args_dbl[5]; 62 ffi_type* cls_struct_fields[5]; 63 ffi_type cls_struct_type; 64 ffi_type* dbl_arg_types[5]; 65 66 #ifdef USING_MMAP 67 pcl = allocate_mmap (sizeof(ffi_closure)); 68 #else 69 pcl = &cl; 70 #endif 71 72 cls_struct_type.size = 0; 73 cls_struct_type.alignment = 0; 74 cls_struct_type.type = FFI_TYPE_STRUCT; 75 cls_struct_type.elements = cls_struct_fields; 76 77 struct cls_struct_24byte e_dbl = { 9.0, 2.0, 6, 5.0 }; 78 struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 }; 79 struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 }; 80 struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 }; 81 struct cls_struct_24byte res_dbl; 82 83 cls_struct_fields[0] = &ffi_type_double; 84 cls_struct_fields[1] = &ffi_type_double; 85 cls_struct_fields[2] = &ffi_type_sint; 86 cls_struct_fields[3] = &ffi_type_float; 87 cls_struct_fields[4] = NULL; 88 89 dbl_arg_types[0] = &cls_struct_type; 90 dbl_arg_types[1] = &cls_struct_type; 91 dbl_arg_types[2] = &cls_struct_type; 92 dbl_arg_types[3] = &cls_struct_type; 93 dbl_arg_types[4] = NULL; 94 95 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type, 96 dbl_arg_types) == FFI_OK); 97 98 args_dbl[0] = &e_dbl; 99 args_dbl[1] = &f_dbl; 100 args_dbl[2] = &g_dbl; 101 args_dbl[3] = &h_dbl; 102 args_dbl[4] = NULL; 103 104 ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl); 105 /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */ 106 printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 107 /* { dg-output "\nres: 22 15 17 25" } */ 108 109 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_24byte_gn, NULL) == FFI_OK); 110 111 res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte, 112 cls_struct_24byte, 113 cls_struct_24byte, 114 cls_struct_24byte)) 115 (pcl))(e_dbl, f_dbl, g_dbl, h_dbl); 116 /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */ 117 printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); 118 /* { dg-output "\nres: 22 15 17 25" } */ 119 120 exit(0); 121 } 122
