| /* Area: ffi_call |
| Purpose: Check structures. |
| Limitations: none. |
| PR: none. |
| Originator: From the original ffitest.c */ |
| |
| /* { dg-do run } */ |
| #include "ffitest.h" |
| typedef struct |
| { |
| float f1; |
| float f2; |
| double d; |
| } test_structure_7; |
| |
| static test_structure_7 ABI_ATTR struct7 (test_structure_7 ts) |
| { |
| ts.f1 += 1; |
| ts.f2 += 1; |
| ts.d += 1; |
| |
| return ts; |
| } |
| |
| int main (void) |
| { |
| ffi_cif cif; |
| ffi_type *args[MAX_ARGS]; |
| void *values[MAX_ARGS]; |
| ffi_type ts7_type; |
| ffi_type *ts7_type_elements[4]; |
| |
| test_structure_7 ts7_arg; |
| |
| /* This is a hack to get a properly aligned result buffer */ |
| test_structure_7 *ts7_result = |
| (test_structure_7 *) malloc (sizeof(test_structure_7)); |
| |
| ts7_type.size = 0; |
| ts7_type.alignment = 0; |
| ts7_type.type = FFI_TYPE_STRUCT; |
| ts7_type.elements = ts7_type_elements; |
| ts7_type_elements[0] = &ffi_type_float; |
| ts7_type_elements[1] = &ffi_type_float; |
| ts7_type_elements[2] = &ffi_type_double; |
| ts7_type_elements[3] = NULL; |
| |
| args[0] = &ts7_type; |
| values[0] = &ts7_arg; |
| |
| /* Initialize the cif */ |
| CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts7_type, args) == FFI_OK); |
| |
| ts7_arg.f1 = 5.55f; |
| ts7_arg.f2 = 55.5f; |
| ts7_arg.d = 6.66; |
| |
| printf ("%g\n", ts7_arg.f1); |
| printf ("%g\n", ts7_arg.f2); |
| printf ("%g\n", ts7_arg.d); |
| |
| ffi_call(&cif, FFI_FN(struct7), ts7_result, values); |
| |
| printf ("%g\n", ts7_result->f1); |
| printf ("%g\n", ts7_result->f2); |
| printf ("%g\n", ts7_result->d); |
| |
| CHECK(ts7_result->f1 == 5.55f + 1); |
| CHECK(ts7_result->f2 == 55.5f + 1); |
| CHECK(ts7_result->d == 6.66 + 1); |
| |
| free (ts7_result); |
| exit(0); |
| } |