mirror of
https://github.com/autc04/Retro68.git
synced 2024-09-10 03:54:48 +00:00
112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
/* Area: ffi_call, closure_call
|
|
Purpose: Check structure passing with different structure size.
|
|
Contains structs as parameter of the struct itself.
|
|
Sample taken from Alan Modras patch to src/prep_cif.c.
|
|
Limitations: none.
|
|
PR: PR 25630.
|
|
Originator: <andreast@gcc.gnu.org> 20051010 */
|
|
|
|
/* { dg-do run } */
|
|
#include "ffitest.h"
|
|
|
|
typedef struct A {
|
|
double a;
|
|
unsigned char b;
|
|
} A;
|
|
|
|
typedef struct B {
|
|
struct A x;
|
|
unsigned char y;
|
|
} B;
|
|
|
|
static B B_fn(struct A b2, struct B b3)
|
|
{
|
|
struct B result;
|
|
|
|
result.x.a = b2.a + b3.x.a;
|
|
result.x.b = b2.b + b3.x.b + b3.y;
|
|
result.y = b2.b + b3.x.b;
|
|
|
|
printf("%d %d %d %d %d: %d %d %d\n", (int)b2.a, b2.b,
|
|
(int)b3.x.a, b3.x.b, b3.y,
|
|
(int)result.x.a, result.x.b, result.y);
|
|
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
|
|
void* userdata __UNUSED__)
|
|
{
|
|
struct A b0;
|
|
struct B b1;
|
|
|
|
b0 = *(struct A*)(args[0]);
|
|
b1 = *(struct B*)(args[1]);
|
|
|
|
*(B*)resp = B_fn(b0, b1);
|
|
}
|
|
|
|
int main (void)
|
|
{
|
|
ffi_cif cif;
|
|
void *code;
|
|
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
|
|
void* args_dbl[3];
|
|
ffi_type* cls_struct_fields[3];
|
|
ffi_type* cls_struct_fields1[3];
|
|
ffi_type cls_struct_type, cls_struct_type1;
|
|
ffi_type* dbl_arg_types[3];
|
|
|
|
struct A e_dbl = { 1.0, 7};
|
|
struct B f_dbl = {{12.0 , 127}, 99};
|
|
|
|
struct B res_dbl;
|
|
|
|
cls_struct_type.size = 0;
|
|
cls_struct_type.alignment = 0;
|
|
cls_struct_type.type = FFI_TYPE_STRUCT;
|
|
cls_struct_type.elements = cls_struct_fields;
|
|
|
|
cls_struct_type1.size = 0;
|
|
cls_struct_type1.alignment = 0;
|
|
cls_struct_type1.type = FFI_TYPE_STRUCT;
|
|
cls_struct_type1.elements = cls_struct_fields1;
|
|
|
|
cls_struct_fields[0] = &ffi_type_double;
|
|
cls_struct_fields[1] = &ffi_type_uchar;
|
|
cls_struct_fields[2] = NULL;
|
|
|
|
cls_struct_fields1[0] = &cls_struct_type;
|
|
cls_struct_fields1[1] = &ffi_type_uchar;
|
|
cls_struct_fields1[2] = NULL;
|
|
|
|
|
|
dbl_arg_types[0] = &cls_struct_type;
|
|
dbl_arg_types[1] = &cls_struct_type1;
|
|
dbl_arg_types[2] = NULL;
|
|
|
|
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1,
|
|
dbl_arg_types) == FFI_OK);
|
|
|
|
args_dbl[0] = &e_dbl;
|
|
args_dbl[1] = &f_dbl;
|
|
args_dbl[2] = NULL;
|
|
|
|
ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
|
|
/* { dg-output "1 7 12 127 99: 13 233 134" } */
|
|
CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
|
|
CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
|
|
CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
|
|
|
|
CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
|
|
|
|
res_dbl = ((B(*)(A, B))(code))(e_dbl, f_dbl);
|
|
/* { dg-output "\n1 7 12 127 99: 13 233 134" } */
|
|
CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
|
|
CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
|
|
CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
|
|
|
|
exit(0);
|
|
}
|