1 /* Area:	ffi_call, closure_call
2    Purpose:	Check passing of multiple signed char values.
3    Limitations:	none.
4    PR:		PR13221.
5    Originator:	<hos@tamanegi.org> 20031129  */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
test_func_fn(signed char a1,signed char a2)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 
test_func_gn(ffi_cif * cif __UNUSED__,void * rval,void ** avals,void * data __UNUSED__)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 
main(void)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