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 #ifndef USING_MMAP
45 static ffi_closure cl;
46 #endif
47 ffi_closure *pcl;
48 void * args_dbl[5];
49 ffi_type * cl_arg_types[5];
50 ffi_arg res_call;
51 unsigned char a, c;
52 unsigned short b, d, res_closure;
53
54 #ifdef USING_MMAP
55 pcl = allocate_mmap (sizeof(ffi_closure));
56 #else
57 pcl = &cl;
58 #endif
59
60 a = 1;
61 b = 2;
62 c = 127;
63 d = 128;
64
65 args_dbl[0] = &a;
66 args_dbl[1] = &b;
67 args_dbl[2] = &c;
68 args_dbl[3] = &d;
69 args_dbl[4] = NULL;
70
71 cl_arg_types[0] = &ffi_type_uchar;
72 cl_arg_types[1] = &ffi_type_ushort;
73 cl_arg_types[2] = &ffi_type_uchar;
74 cl_arg_types[3] = &ffi_type_ushort;
75 cl_arg_types[4] = NULL;
76
77 /* Initialize the cif */
78 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
79 &ffi_type_ushort, cl_arg_types) == FFI_OK);
80
81 ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
82 /* { dg-output "1 2 127 128: 258" } */
83 printf("res: %d\n", (unsigned short)res_call);
84 /* { dg-output "\nres: 258" } */
85
86 CHECK(ffi_prep_closure(pcl, &cif, test_func_gn, NULL) == FFI_OK);
87
88 res_closure = (*((test_type)pcl))(1, 2, 127, 128);
89 /* { dg-output "\n1 2 127 128: 258" } */
90 printf("res: %d\n", res_closure);
91 /* { dg-output "\nres: 258" } */
92
93 exit(0);
94 }
95