1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93
/* 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);
}