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