1 /* Area: ffi_call, closure_call 2 Purpose: Check passing of multiple unsigned char values. 3 Limitations: none. 4 PR: PR13221. 5 Originator: <andreast (at) gcc.gnu.org> 20031129 */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 10 unsigned char test_func_fn(unsigned char a1, unsigned char a2, 11 unsigned char a3, unsigned char a4) 12 { 13 unsigned char result; 14 15 result = a1 + a2 + a3 + a4; 16 17 printf("%d %d %d %d: %d\n", a1, a2, a3, a4, result); 18 19 return result; 20 21 } 22 23 static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals, 24 void *data __UNUSED__) 25 { 26 unsigned char a1, a2, a3, a4; 27 28 a1 = *(unsigned char *)avals[0]; 29 a2 = *(unsigned char *)avals[1]; 30 a3 = *(unsigned char *)avals[2]; 31 a4 = *(unsigned char *)avals[3]; 32 33 *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4); 34 35 } 36 37 typedef unsigned char (*test_type)(unsigned char, unsigned char, 38 unsigned char, unsigned char); 39 40 void test_func(ffi_cif *cif __UNUSED__, void *rval __UNUSED__, void **avals, 41 void *data __UNUSED__) 42 { 43 printf("%d %d %d %d\n", *(unsigned char *)avals[0], 44 *(unsigned char *)avals[1], *(unsigned char *)avals[2], 45 *(unsigned char *)avals[3]); 46 } 47 int main (void) 48 { 49 ffi_cif cif; 50 void *code; 51 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 52 void * args_dbl[5]; 53 ffi_type * cl_arg_types[5]; 54 ffi_arg res_call; 55 unsigned char a, b, c, d, res_closure; 56 57 a = 1; 58 b = 2; 59 c = 127; 60 d = 125; 61 62 args_dbl[0] = &a; 63 args_dbl[1] = &b; 64 args_dbl[2] = &c; 65 args_dbl[3] = &d; 66 args_dbl[4] = NULL; 67 68 cl_arg_types[0] = &ffi_type_uchar; 69 cl_arg_types[1] = &ffi_type_uchar; 70 cl_arg_types[2] = &ffi_type_uchar; 71 cl_arg_types[3] = &ffi_type_uchar; 72 cl_arg_types[4] = NULL; 73 74 /* Initialize the cif */ 75 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, 76 &ffi_type_uchar, cl_arg_types) == FFI_OK); 77 78 ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl); 79 /* { dg-output "1 2 127 125: 255" } */ 80 printf("res: %d\n", (unsigned char)res_call); 81 /* { dg-output "\nres: 255" } */ 82 83 CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code) == FFI_OK); 84 85 res_closure = (*((test_type)code))(1, 2, 127, 125); 86 /* { dg-output "\n1 2 127 125: 255" } */ 87 printf("res: %d\n", res_closure); 88 /* { dg-output "\nres: 255" } */ 89 90 exit(0); 91 } 92
