1 /* Area: ffi_call, closure_call 2 Purpose: Check passing of multiple signed char values. 3 Limitations: none. 4 PR: PR13221. 5 Originator: <hos (at) tamanegi.org> 20031129 */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 10 signed char test_func_fn(signed char a1, signed char a2) 11 { 12 signed char result; 13 14 result = a1 + a2; 15 16 printf("%d %d: %d\n", a1, a2, result); 17 18 return result; 19 20 } 21 22 static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals, 23 void *data __UNUSED__) 24 { 25 signed char a1, a2; 26 27 a1 = *(signed char *)avals[0]; 28 a2 = *(signed char *)avals[1]; 29 30 *(ffi_arg *)rval = test_func_fn(a1, a2); 31 32 } 33 34 typedef signed char (*test_type)(signed char, signed char); 35 36 int main (void) 37 { 38 ffi_cif cif; 39 void *code; 40 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 41 void * args_dbl[3]; 42 ffi_type * cl_arg_types[3]; 43 ffi_arg res_call; 44 signed char a, b, res_closure; 45 46 a = 2; 47 b = 125; 48 49 args_dbl[0] = &a; 50 args_dbl[1] = &b; 51 args_dbl[2] = NULL; 52 53 cl_arg_types[0] = &ffi_type_schar; 54 cl_arg_types[1] = &ffi_type_schar; 55 cl_arg_types[2] = NULL; 56 57 /* Initialize the cif */ 58 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, 59 &ffi_type_schar, cl_arg_types) == FFI_OK); 60 61 ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl); 62 /* { dg-output "2 125: 127" } */ 63 printf("res: %d\n", (signed char)res_call); 64 /* { dg-output "\nres: 127" } */ 65 66 CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code) == FFI_OK); 67 68 res_closure = (*((test_type)code))(2, 125); 69 /* { dg-output "\n2 125: 127" } */ 70 printf("res: %d\n", res_closure); 71 /* { dg-output "\nres: 127" } */ 72 73 exit(0); 74 } 75
