1*1fd5a2e1SPrashanth Swaminathan /* Area: ffi_call, closure_call
2*1fd5a2e1SPrashanth Swaminathan Purpose: Check pointer arguments.
3*1fd5a2e1SPrashanth Swaminathan Limitations: none.
4*1fd5a2e1SPrashanth Swaminathan PR: none.
5*1fd5a2e1SPrashanth Swaminathan Originator: Blake Chaffin 6/6/2007 */
6*1fd5a2e1SPrashanth Swaminathan
7*1fd5a2e1SPrashanth Swaminathan /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
8*1fd5a2e1SPrashanth Swaminathan #include "ffitest.h"
9*1fd5a2e1SPrashanth Swaminathan
cls_pointer_fn(void * a1,void * a2)10*1fd5a2e1SPrashanth Swaminathan void* cls_pointer_fn(void* a1, void* a2)
11*1fd5a2e1SPrashanth Swaminathan {
12*1fd5a2e1SPrashanth Swaminathan void* result = (void*)((intptr_t)a1 + (intptr_t)a2);
13*1fd5a2e1SPrashanth Swaminathan
14*1fd5a2e1SPrashanth Swaminathan printf("0x%08x 0x%08x: 0x%08x\n",
15*1fd5a2e1SPrashanth Swaminathan (unsigned int)(uintptr_t) a1,
16*1fd5a2e1SPrashanth Swaminathan (unsigned int)(uintptr_t) a2,
17*1fd5a2e1SPrashanth Swaminathan (unsigned int)(uintptr_t) result);
18*1fd5a2e1SPrashanth Swaminathan
19*1fd5a2e1SPrashanth Swaminathan return result;
20*1fd5a2e1SPrashanth Swaminathan }
21*1fd5a2e1SPrashanth Swaminathan
22*1fd5a2e1SPrashanth Swaminathan static void
cls_pointer_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)23*1fd5a2e1SPrashanth Swaminathan cls_pointer_gn(ffi_cif* cif __UNUSED__, void* resp,
24*1fd5a2e1SPrashanth Swaminathan void** args, void* userdata __UNUSED__)
25*1fd5a2e1SPrashanth Swaminathan {
26*1fd5a2e1SPrashanth Swaminathan void* a1 = *(void**)(args[0]);
27*1fd5a2e1SPrashanth Swaminathan void* a2 = *(void**)(args[1]);
28*1fd5a2e1SPrashanth Swaminathan
29*1fd5a2e1SPrashanth Swaminathan *(void**)resp = cls_pointer_fn(a1, a2);
30*1fd5a2e1SPrashanth Swaminathan }
31*1fd5a2e1SPrashanth Swaminathan
main(void)32*1fd5a2e1SPrashanth Swaminathan int main (void)
33*1fd5a2e1SPrashanth Swaminathan {
34*1fd5a2e1SPrashanth Swaminathan ffi_cif cif;
35*1fd5a2e1SPrashanth Swaminathan void *code;
36*1fd5a2e1SPrashanth Swaminathan ffi_closure* pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
37*1fd5a2e1SPrashanth Swaminathan void* args[3];
38*1fd5a2e1SPrashanth Swaminathan /* ffi_type cls_pointer_type; */
39*1fd5a2e1SPrashanth Swaminathan ffi_type* arg_types[3];
40*1fd5a2e1SPrashanth Swaminathan
41*1fd5a2e1SPrashanth Swaminathan /* cls_pointer_type.size = sizeof(void*);
42*1fd5a2e1SPrashanth Swaminathan cls_pointer_type.alignment = 0;
43*1fd5a2e1SPrashanth Swaminathan cls_pointer_type.type = FFI_TYPE_POINTER;
44*1fd5a2e1SPrashanth Swaminathan cls_pointer_type.elements = NULL;*/
45*1fd5a2e1SPrashanth Swaminathan
46*1fd5a2e1SPrashanth Swaminathan void* arg1 = (void*)0x12345678;
47*1fd5a2e1SPrashanth Swaminathan void* arg2 = (void*)0x89abcdef;
48*1fd5a2e1SPrashanth Swaminathan ffi_arg res = 0;
49*1fd5a2e1SPrashanth Swaminathan
50*1fd5a2e1SPrashanth Swaminathan arg_types[0] = &ffi_type_pointer;
51*1fd5a2e1SPrashanth Swaminathan arg_types[1] = &ffi_type_pointer;
52*1fd5a2e1SPrashanth Swaminathan arg_types[2] = NULL;
53*1fd5a2e1SPrashanth Swaminathan
54*1fd5a2e1SPrashanth Swaminathan CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ffi_type_pointer,
55*1fd5a2e1SPrashanth Swaminathan arg_types) == FFI_OK);
56*1fd5a2e1SPrashanth Swaminathan
57*1fd5a2e1SPrashanth Swaminathan args[0] = &arg1;
58*1fd5a2e1SPrashanth Swaminathan args[1] = &arg2;
59*1fd5a2e1SPrashanth Swaminathan args[2] = NULL;
60*1fd5a2e1SPrashanth Swaminathan
61*1fd5a2e1SPrashanth Swaminathan ffi_call(&cif, FFI_FN(cls_pointer_fn), &res, args);
62*1fd5a2e1SPrashanth Swaminathan /* { dg-output "0x12345678 0x89abcdef: 0x9be02467" } */
63*1fd5a2e1SPrashanth Swaminathan printf("res: 0x%08x\n", (unsigned int) res);
64*1fd5a2e1SPrashanth Swaminathan /* { dg-output "\nres: 0x9be02467" } */
65*1fd5a2e1SPrashanth Swaminathan
66*1fd5a2e1SPrashanth Swaminathan CHECK(ffi_prep_closure_loc(pcl, &cif, cls_pointer_gn, NULL, code) == FFI_OK);
67*1fd5a2e1SPrashanth Swaminathan
68*1fd5a2e1SPrashanth Swaminathan res = (ffi_arg)(uintptr_t)((void*(*)(void*, void*))(code))(arg1, arg2);
69*1fd5a2e1SPrashanth Swaminathan /* { dg-output "\n0x12345678 0x89abcdef: 0x9be02467" } */
70*1fd5a2e1SPrashanth Swaminathan printf("res: 0x%08x\n", (unsigned int) res);
71*1fd5a2e1SPrashanth Swaminathan /* { dg-output "\nres: 0x9be02467" } */
72*1fd5a2e1SPrashanth Swaminathan
73*1fd5a2e1SPrashanth Swaminathan exit(0);
74*1fd5a2e1SPrashanth Swaminathan }
75