/* Area: ffi_call, closure_call
Purpose: Check structure passing with different structure size.
Depending on the ABI. Check overlapping.
Limitations: none.
PR: none.
Originator: <andreast@gcc.gnu.org> 20030828 */
/* { dg-do run } */
#include "ffitest.h"
typedef struct cls_struct_24byte {
double a;
double b;
int c;
float d;
} cls_struct_24byte;
cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0,
struct cls_struct_24byte b1,
struct cls_struct_24byte b2,
struct cls_struct_24byte b3)
{
struct cls_struct_24byte result;
result.a = b0.a + b1.a + b2.a + b3.a;
result.b = b0.b + b1.b + b2.b + b3.b;
result.c = b0.c + b1.c + b2.c + b3.c;
result.d = b0.d + b1.d + b2.d + b3.d;
printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n",
b0.a, b0.b, b0.c, b0.d,
b1.a, b1.b, b1.c, b1.d,
b2.a, b2.b, b2.c, b2.d,
b3.a, b3.b, b3.c, b2.d,
result.a, result.b, result.c, result.d);
return result;
}
static void
cls_struct_24byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
void* userdata __UNUSED__)
{
struct cls_struct_24byte b0, b1, b2, b3;
b0 = *(struct cls_struct_24byte*)(args[0]);
b1 = *(struct cls_struct_24byte*)(args[1]);
b2 = *(struct cls_struct_24byte*)(args[2]);
b3 = *(struct cls_struct_24byte*)(args[3]);
*(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3);
}
int main (void)
{
ffi_cif cif;
void *code;
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
void* args_dbl[5];
ffi_type* cls_struct_fields[5];
ffi_type cls_struct_type;
ffi_type* dbl_arg_types[5];
cls_struct_type.size = 0;
cls_struct_type.alignment = 0;
cls_struct_type.type = FFI_TYPE_STRUCT;
cls_struct_type.elements = cls_struct_fields;
struct cls_struct_24byte e_dbl = { 9.0, 2.0, 6, 5.0 };
struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 };
struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 };
struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 };
struct cls_struct_24byte res_dbl;
cls_struct_fields[0] = &ffi_type_double;
cls_struct_fields[1] = &ffi_type_double;
cls_struct_fields[2] = &ffi_type_sint;
cls_struct_fields[3] = &ffi_type_float;
cls_struct_fields[4] = NULL;
dbl_arg_types[0] = &cls_struct_type;
dbl_arg_types[1] = &cls_struct_type;
dbl_arg_types[2] = &cls_struct_type;
dbl_arg_types[3] = &cls_struct_type;
dbl_arg_types[4] = NULL;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
dbl_arg_types) == FFI_OK);
args_dbl[0] = &e_dbl;
args_dbl[1] = &f_dbl;
args_dbl[2] = &g_dbl;
args_dbl[3] = &h_dbl;
args_dbl[4] = NULL;
ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl);
/* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
/* { dg-output "\nres: 22 15 17 25" } */
CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_24byte_gn, NULL, code) == FFI_OK);
res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte,
cls_struct_24byte,
cls_struct_24byte,
cls_struct_24byte))
(code))(e_dbl, f_dbl, g_dbl, h_dbl);
/* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
/* { dg-output "\nres: 22 15 17 25" } */
exit(0);
}
