| /* Area: ffi_call, closure_call |
| Purpose: Check structure passing with different structure size. |
| Limitations: none. |
| PR: none. |
| Originator: <andreast@gcc.gnu.org> 20030828 */ |
| |
| /* { dg-do run } */ |
| #include "ffitest.h" |
| |
| typedef struct my_ffi_struct { |
| double a; |
| double b; |
| double c; |
| } my_ffi_struct; |
| |
| my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2) |
| { |
| struct my_ffi_struct result; |
| result.a = a1.a + a2.a; |
| result.b = a1.b + a2.b; |
| result.c = a1.c + a2.c; |
| |
| |
| printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c, |
| a2.a, a2.b, a2.c, result.a, result.b, result.c); |
| |
| return result; |
| } |
| |
| void stub(ffi_cif* cif __UNUSED__, void* resp, void** args, |
| void* userdata __UNUSED__) |
| { |
| struct my_ffi_struct a1; |
| struct my_ffi_struct a2; |
| |
| a1 = *(struct my_ffi_struct*)(args[0]); |
| a2 = *(struct my_ffi_struct*)(args[1]); |
| |
| *(my_ffi_struct *)resp = callee(a1, a2); |
| } |
| |
| |
| int main(void) |
| { |
| ffi_type* my_ffi_struct_fields[4]; |
| ffi_type my_ffi_struct_type; |
| ffi_cif cif; |
| void *code; |
| ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); |
| void* args[4]; |
| ffi_type* arg_types[3]; |
| |
| struct my_ffi_struct g = { 1.0, 2.0, 3.0 }; |
| struct my_ffi_struct f = { 1.0, 2.0, 3.0 }; |
| struct my_ffi_struct res; |
| |
| my_ffi_struct_type.size = 0; |
| my_ffi_struct_type.alignment = 0; |
| my_ffi_struct_type.type = FFI_TYPE_STRUCT; |
| my_ffi_struct_type.elements = my_ffi_struct_fields; |
| |
| my_ffi_struct_fields[0] = &ffi_type_double; |
| my_ffi_struct_fields[1] = &ffi_type_double; |
| my_ffi_struct_fields[2] = &ffi_type_double; |
| my_ffi_struct_fields[3] = NULL; |
| |
| arg_types[0] = &my_ffi_struct_type; |
| arg_types[1] = &my_ffi_struct_type; |
| arg_types[2] = NULL; |
| |
| CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type, |
| arg_types) == FFI_OK); |
| |
| args[0] = &g; |
| args[1] = &f; |
| args[2] = NULL; |
| ffi_call(&cif, FFI_FN(callee), &res, args); |
| /* { dg-output "1 2 3 1 2 3: 2 4 6" } */ |
| printf("res: %g %g %g\n", res.a, res.b, res.c); |
| /* { dg-output "\nres: 2 4 6" } */ |
| |
| CHECK(ffi_prep_closure_loc(pcl, &cif, stub, NULL, code) == FFI_OK); |
| |
| res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(code))(g, f); |
| /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */ |
| printf("res: %g %g %g\n", res.a, res.b, res.c); |
| /* { dg-output "\nres: 2 4 6" } */ |
| |
| exit(0);; |
| } |