diff options
Diffstat (limited to 'testsuite/libffi.call/struct4.c')
-rw-r--r-- | testsuite/libffi.call/struct4.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/testsuite/libffi.call/struct4.c b/testsuite/libffi.call/struct4.c new file mode 100644 index 0000000..0ad0a83 --- /dev/null +++ b/testsuite/libffi.call/struct4.c @@ -0,0 +1,63 @@ +/* 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 ui1; + unsigned ui2; + unsigned ui3; +} test_structure_4; + +static test_structure_4 struct4(test_structure_4 ts) +{ + ts.ui3 = ts.ui1 * ts.ui2 * ts.ui3; + + return ts; +} + +int main (void) +{ + ffi_cif cif; + ffi_type *args[MAX_ARGS]; + void *values[MAX_ARGS]; + ffi_type ts4_type; + ffi_type *ts4_type_elements[4]; + ts4_type.size = 0; + ts4_type.alignment = 0; + ts4_type.type = FFI_TYPE_STRUCT; + test_structure_4 ts4_arg; + ts4_type.elements = ts4_type_elements; + ts4_type_elements[0] = &ffi_type_uint; + ts4_type_elements[1] = &ffi_type_uint; + ts4_type_elements[2] = &ffi_type_uint; + ts4_type_elements[3] = NULL; + + + /* This is a hack to get a properly aligned result buffer */ + test_structure_4 *ts4_result = + (test_structure_4 *) malloc (sizeof(test_structure_4)); + + args[0] = &ts4_type; + values[0] = &ts4_arg; + + /* Initialize the cif */ + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts4_type, args) == FFI_OK); + + ts4_arg.ui1 = 2; + ts4_arg.ui2 = 3; + ts4_arg.ui3 = 4; + + ffi_call (&cif, FFI_FN(struct4), ts4_result, values); + + CHECK(ts4_result->ui3 == 2U * 3U * 4U); + + + free (ts4_result); + exit(0); +} |