cls_multi_ushortchar.c revision 817acef0e6c6b33ade68132b090ea745badbbece 
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
10unsigned 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
23static 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
38typedef unsigned short (*test_type)(unsigned char, unsigned short,
39				   unsigned char, unsigned short);
40
41int 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