1 /* Area: ffi_call 2 Purpose: Check structures. 3 Limitations: none. 4 PR: none. 5 Originator: From the original ffitest.c */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 typedef struct 10 { 11 float f1; 12 float f2; 13 float f3; 14 float f4; 15 } test_structure_8; 16 17 static test_structure_8 struct8 (test_structure_8 ts) 18 { 19 ts.f1 += 1; 20 ts.f2 += 1; 21 ts.f3 += 1; 22 ts.f4 += 1; 23 24 return ts; 25 } 26 27 int main (void) 28 { 29 ffi_cif cif; 30 ffi_type *args[MAX_ARGS]; 31 void *values[MAX_ARGS]; 32 ffi_type ts8_type; 33 ffi_type *ts8_type_elements[5]; 34 ts8_type.size = 0; 35 ts8_type.alignment = 0; 36 ts8_type.type = FFI_TYPE_STRUCT; 37 ts8_type.elements = ts8_type_elements; 38 ts8_type_elements[0] = &ffi_type_float; 39 ts8_type_elements[1] = &ffi_type_float; 40 ts8_type_elements[2] = &ffi_type_float; 41 ts8_type_elements[3] = &ffi_type_float; 42 ts8_type_elements[4] = NULL; 43 44 test_structure_8 ts8_arg; 45 46 /* This is a hack to get a properly aligned result buffer */ 47 test_structure_8 *ts8_result = 48 (test_structure_8 *) malloc (sizeof(test_structure_8)); 49 50 args[0] = &ts8_type; 51 values[0] = &ts8_arg; 52 53 /* Initialize the cif */ 54 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts8_type, args) == FFI_OK); 55 56 ts8_arg.f1 = 5.55f; 57 ts8_arg.f2 = 55.5f; 58 ts8_arg.f3 = -5.55f; 59 ts8_arg.f4 = -55.5f; 60 61 printf ("%g\n", ts8_arg.f1); 62 printf ("%g\n", ts8_arg.f2); 63 printf ("%g\n", ts8_arg.f3); 64 printf ("%g\n", ts8_arg.f4); 65 66 ffi_call(&cif, FFI_FN(struct8), ts8_result, values); 67 68 printf ("%g\n", ts8_result->f1); 69 printf ("%g\n", ts8_result->f2); 70 printf ("%g\n", ts8_result->f3); 71 printf ("%g\n", ts8_result->f4); 72 73 CHECK(ts8_result->f1 == 5.55f + 1); 74 CHECK(ts8_result->f2 == 55.5f + 1); 75 CHECK(ts8_result->f3 == -5.55f + 1); 76 CHECK(ts8_result->f4 == -55.5f + 1); 77 78 free (ts8_result); 79 exit(0); 80 } 81
