1 /* Area:	ffi_call, closure_call
2    Purpose:	Check passing of multiple unsigned short/char values.
3    Limitations:	none.
4    PR:		PR13221.
5    Originator:	<andreast@gcc.gnu.org> 20031129  */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
test_func_fn(unsigned char a1,unsigned short a2,unsigned char a3,unsigned short a4)10 unsigned short test_func_fn(unsigned char a1, unsigned short a2,
11 			    unsigned char a3, unsigned short a4)
12 {
13   unsigned short 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 
test_func_gn(ffi_cif * cif __UNUSED__,void * rval,void ** avals,void * data __UNUSED__)23 static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
24 			 void *data __UNUSED__)
25 {
26   unsigned char a1, a3;
27   unsigned short a2, a4;
28 
29   a1 = *(unsigned char *)avals[0];
30   a2 = *(unsigned short *)avals[1];
31   a3 = *(unsigned char *)avals[2];
32   a4 = *(unsigned short *)avals[3];
33 
34   *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);
35 
36 }
37 
38 typedef unsigned short (*test_type)(unsigned char, unsigned short,
39 				   unsigned char, unsigned short);
40 
main(void)41 int main (void)
42 {
43   ffi_cif cif;
44   void *code;
45   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
46   void * args_dbl[5];
47   ffi_type * cl_arg_types[5];
48   ffi_arg res_call;
49   unsigned char a, c;
50   unsigned short b, d, res_closure;
51 
52   a = 1;
53   b = 2;
54   c = 127;
55   d = 128;
56 
57   args_dbl[0] = &a;
58   args_dbl[1] = &b;
59   args_dbl[2] = &c;
60   args_dbl[3] = &d;
61   args_dbl[4] = NULL;
62 
63   cl_arg_types[0] = &ffi_type_uchar;
64   cl_arg_types[1] = &ffi_type_ushort;
65   cl_arg_types[2] = &ffi_type_uchar;
66   cl_arg_types[3] = &ffi_type_ushort;
67   cl_arg_types[4] = NULL;
68 
69   /* Initialize the cif */
70   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
71 		     &ffi_type_ushort, cl_arg_types) == FFI_OK);
72 
73   ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
74   /* { dg-output "1 2 127 128: 258" } */
75   printf("res: %d\n", (unsigned short)res_call);
76   /* { dg-output "\nres: 258" } */
77 
78   CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code)  == FFI_OK);
79 
80   res_closure = (*((test_type)code))(1, 2, 127, 128);
81   /* { dg-output "\n1 2 127 128: 258" } */
82   printf("res: %d\n", res_closure);
83   /* { dg-output "\nres: 258" } */
84 
85   exit(0);
86 }
87