61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
/* { dg-do run } */
|
|
#include "ffitest.h"
|
|
|
|
typedef struct
|
|
{
|
|
unsigned char uc;
|
|
double d;
|
|
unsigned int ui;
|
|
} test_structure_1;
|
|
|
|
static test_structure_1 struct1(test_structure_1 ts)
|
|
{
|
|
ts.uc++;
|
|
ts.d--;
|
|
ts.ui++;
|
|
|
|
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[4];
|
|
|
|
memset(&cif, 1, sizeof(cif));
|
|
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_uchar;
|
|
ts1_type_elements[1] = &ffi_type_double;
|
|
ts1_type_elements[2] = &ffi_type_uint;
|
|
ts1_type_elements[3] = NULL;
|
|
|
|
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));
|
|
|
|
args[0] = &ts1_type;
|
|
values[0] = &ts1_arg;
|
|
|
|
/* Initialize the cif */
|
|
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
|
|
&ts1_type, args) == FFI_OK);
|
|
|
|
ts1_arg.uc = '\x01';
|
|
ts1_arg.d = 3.14159;
|
|
ts1_arg.ui = 555;
|
|
|
|
ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
|
|
|
|
CHECK(ts1_result->ui == 556);
|
|
CHECK(ts1_result->d == 3.14159 - 1);
|
|
|
|
free (ts1_result);
|
|
exit(0);
|
|
}
|