/* Area: ffi_call Purpose: Check structures. Limitations: none. PR: none. Originator: From the original ffitest.c */ /* { dg-do run } */ #include "ffitest.h" typedef struct { unsigned int ui01; unsigned int ui02; unsigned int ui03; unsigned int ui04; unsigned int ui05; unsigned int ui06; unsigned int ui07; unsigned int ui08; unsigned int ui09; unsigned int ui10; unsigned int ui11; unsigned int ui12; unsigned int ui13; unsigned int ui14; unsigned int ui15; unsigned int ui16; unsigned int ui17; } test_structure_1; static test_structure_1 ABI_ATTR struct1(test_structure_1 ts) { ts.ui17++; return ts; } int main (void) { ffi_cif cif; ffi_type *args[MAX_ARGS]; void *values[MAX_ARGS]; ffi_type ts1_type; ffi_type *ts1_type_elements[18]; test_structure_1 ts1_arg; /* This is a hack to get a properly aligned result buffer */ test_structure_1 *ts1_result = (test_structure_1 *) malloc (sizeof(test_structure_1)); ts1_type.size = 0; ts1_type.alignment = 0; ts1_type.type = FFI_TYPE_STRUCT; ts1_type.elements = ts1_type_elements; ts1_type_elements[0] = &ffi_type_uint; ts1_type_elements[1] = &ffi_type_uint; ts1_type_elements[2] = &ffi_type_uint; ts1_type_elements[3] = &ffi_type_uint; ts1_type_elements[4] = &ffi_type_uint; ts1_type_elements[5] = &ffi_type_uint; ts1_type_elements[6] = &ffi_type_uint; ts1_type_elements[7] = &ffi_type_uint; ts1_type_elements[8] = &ffi_type_uint; ts1_type_elements[9] = &ffi_type_uint; ts1_type_elements[10] = &ffi_type_uint; ts1_type_elements[11] = &ffi_type_uint; ts1_type_elements[12] = &ffi_type_uint; ts1_type_elements[13] = &ffi_type_uint; ts1_type_elements[14] = &ffi_type_uint; ts1_type_elements[15] = &ffi_type_uint; ts1_type_elements[16] = &ffi_type_uint; ts1_type_elements[17] = NULL; args[0] = &ts1_type; values[0] = &ts1_arg; /* Initialize the cif */ CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts1_type, args) == FFI_OK); ts1_arg.ui17 = 555; ffi_call(&cif, FFI_FN(struct1), ts1_result, values); CHECK(ts1_result->ui17 == 556); /* This will fail if ffi_call isn't passing the struct by value. */ CHECK(ts1_arg.ui17 == 555); free (ts1_result); exit(0); }