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#include "ffitest.h"
struct small_tag
{
unsigned char a;
unsigned char b;
};
struct large_tag
{
unsigned a;
unsigned b;
unsigned c;
unsigned d;
unsigned e;
};
static void
test_fn (ffi_cif* cif __UNUSED__, void* resp,
void** args, void* userdata __UNUSED__)
{
int n = *(int*)args[0];
struct small_tag s1 = * (struct small_tag *) args[1];
struct large_tag l1 = * (struct large_tag *) args[2];
struct small_tag s2 = * (struct small_tag *) args[3];
printf ("%d %d %d %d %d %d %d %d %d %d\n", n, s1.a, s1.b,
l1.a, l1.b, l1.c, l1.d, l1.e,
s2.a, s2.b);
* (ffi_arg*) resp = 42;
}
int
main (void)
{
ffi_cif cif;
void *code;
ffi_closure *pcl = ffi_closure_alloc (sizeof (ffi_closure), &code);
ffi_type* arg_types[5];
ffi_arg res = 0;
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 si;
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, &ffi_type_sint,
arg_types) == FFI_OK);
si = 4;
s1.a = 5;
s1.b = 6;
s2.a = 20;
s2.b = 21;
l1.a = 10;
l1.b = 11;
l1.c = 12;
l1.d = 13;
l1.e = 14;
CHECK(ffi_prep_closure_loc(pcl, &cif, test_fn, NULL, code) == FFI_OK);
res = ((int (*)(int, ...))(code))(si, s1, l1, s2);
printf("res: %d\n", (int) res);
exit(0);
}
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