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 #ifndef USING_MMAP 40 static ffi_closure cl; 41 #endif 42 ffi_closure *pcl; 43 void * args_dbl[3]; 44 ffi_type * cl_arg_types[3]; 45 ffi_arg res_call; 46 signed char a, b, res_closure; 47 48 #ifdef USING_MMAP 49 pcl = allocate_mmap (sizeof(ffi_closure)); 50 #else 51 pcl = &cl; 52 #endif 53 54 a = 2; 55 b = 125; 56 57 args_dbl[0] = &a; 58 args_dbl[1] = &b; 59 args_dbl[2] = NULL; 60 61 cl_arg_types[0] = &ffi_type_schar; 62 cl_arg_types[1] = &ffi_type_schar; 63 cl_arg_types[2] = NULL; 64 65 /* Initialize the cif */ 66 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, 67 &ffi_type_schar, cl_arg_types) == FFI_OK); 68 69 ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl); 70 /* { dg-output "2 125: 127" } */ 71 printf("res: %d\n", (signed char)res_call); 72 /* { dg-output "\nres: 127" } */ 73 74 CHECK(ffi_prep_closure(pcl, &cif, test_func_gn, NULL) == FFI_OK); 75 76 res_closure = (*((test_type)pcl))(2, 125); 77 /* { dg-output "\n2 125: 127" } */ 78 printf("res: %d\n", res_closure); 79 /* { dg-output "\nres: 127" } */ 80 81 exit(0); 82 } 83
