mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-03 07:07:20 +00:00
124 lines
2.2 KiB
C
124 lines
2.2 KiB
C
/* Area: ffi_call
|
|
Purpose: Test passing struct in variable argument lists.
|
|
Limitations: none.
|
|
PR: none.
|
|
Originator: ARM Ltd. */
|
|
|
|
/* { dg-do run } */
|
|
/* { dg-output "" { xfail avr32*-*-* } } */
|
|
|
|
#include "ffitest.h"
|
|
#include <stdarg.h>
|
|
|
|
struct small_tag
|
|
{
|
|
unsigned char a;
|
|
unsigned char b;
|
|
};
|
|
|
|
struct large_tag
|
|
{
|
|
unsigned a;
|
|
unsigned b;
|
|
unsigned c;
|
|
unsigned d;
|
|
unsigned e;
|
|
};
|
|
|
|
static struct small_tag
|
|
test_fn (int n, ...)
|
|
{
|
|
va_list ap;
|
|
struct small_tag s1;
|
|
struct small_tag s2;
|
|
struct large_tag l;
|
|
|
|
va_start (ap, n);
|
|
s1 = va_arg (ap, struct small_tag);
|
|
l = va_arg (ap, struct large_tag);
|
|
s2 = va_arg (ap, struct small_tag);
|
|
printf ("%u %u %u %u %u %u %u %u %u\n", s1.a, s1.b, l.a, l.b, l.c, l.d, l.e,
|
|
s2.a, s2.b);
|
|
va_end (ap);
|
|
s1.a += s2.a;
|
|
s1.b += s2.b;
|
|
return s1;
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
ffi_cif cif;
|
|
void* args[5];
|
|
ffi_type* arg_types[5];
|
|
|
|
ffi_type s_type;
|
|
ffi_type *s_type_elements[3];
|
|
|
|
ffi_type l_type;
|
|
ffi_type *l_type_elements[6];
|
|
|
|
struct small_tag s1;
|
|
struct small_tag s2;
|
|
struct large_tag l1;
|
|
|
|
int n;
|
|
struct small_tag res;
|
|
|
|
s_type.size = 0;
|
|
s_type.alignment = 0;
|
|
s_type.type = FFI_TYPE_STRUCT;
|
|
s_type.elements = s_type_elements;
|
|
|
|
s_type_elements[0] = &ffi_type_uchar;
|
|
s_type_elements[1] = &ffi_type_uchar;
|
|
s_type_elements[2] = NULL;
|
|
|
|
l_type.size = 0;
|
|
l_type.alignment = 0;
|
|
l_type.type = FFI_TYPE_STRUCT;
|
|
l_type.elements = l_type_elements;
|
|
|
|
l_type_elements[0] = &ffi_type_uint;
|
|
l_type_elements[1] = &ffi_type_uint;
|
|
l_type_elements[2] = &ffi_type_uint;
|
|
l_type_elements[3] = &ffi_type_uint;
|
|
l_type_elements[4] = &ffi_type_uint;
|
|
l_type_elements[5] = NULL;
|
|
|
|
arg_types[0] = &ffi_type_sint;
|
|
arg_types[1] = &s_type;
|
|
arg_types[2] = &l_type;
|
|
arg_types[3] = &s_type;
|
|
arg_types[4] = NULL;
|
|
|
|
CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &s_type, arg_types) == FFI_OK);
|
|
|
|
s1.a = 5;
|
|
s1.b = 6;
|
|
|
|
l1.a = 10;
|
|
l1.b = 11;
|
|
l1.c = 12;
|
|
l1.d = 13;
|
|
l1.e = 14;
|
|
|
|
s2.a = 7;
|
|
s2.b = 8;
|
|
|
|
n = 41;
|
|
|
|
args[0] = &n;
|
|
args[1] = &s1;
|
|
args[2] = &l1;
|
|
args[3] = &s2;
|
|
args[4] = NULL;
|
|
|
|
ffi_call(&cif, FFI_FN(test_fn), &res, args);
|
|
/* { dg-output "5 6 10 11 12 13 14 7 8" } */
|
|
printf("res: %d %d\n", res.a, res.b);
|
|
/* { dg-output "\nres: 12 14" } */
|
|
|
|
return 0;
|
|
}
|