1 /* Area:	ffi_call, closure_call
2    Purpose:	Check structure alignment of sint64.
3    Limitations:	none.
4    PR:		none.
5    Originator:	<hos@tamanegi.org> 20031203	 */
6 
7 /* { dg-do run } */
8 /* { dg-options "-Wno-format" { target alpha*-dec-osf* } } */
9 #include "ffitest.h"
10 
11 typedef struct cls_struct_align {
12   unsigned char a;
13   signed long long b;
14   unsigned char c;
15 } cls_struct_align;
16 
cls_struct_align_fn(struct cls_struct_align a1,struct cls_struct_align a2)17 cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
18 			    struct cls_struct_align a2)
19 {
20   struct cls_struct_align result;
21 
22   result.a = a1.a + a2.a;
23   result.b = a1.b + a2.b;
24   result.c = a1.c + a2.c;
25 
26   printf("%d %" PRIdLL " %d %d %" PRIdLL " %d: %d %" PRIdLL " %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
27 
28   return  result;
29 }
30 
31 static void
cls_struct_align_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)32 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
33 		    void* userdata __UNUSED__)
34 {
35 
36   struct cls_struct_align a1, a2;
37 
38   a1 = *(struct cls_struct_align*)(args[0]);
39   a2 = *(struct cls_struct_align*)(args[1]);
40 
41   *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
42 }
43 
main(void)44 int main (void)
45 {
46   ffi_cif cif;
47   void *code;
48   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
49   void* args_dbl[5];
50   ffi_type* cls_struct_fields[4];
51   ffi_type cls_struct_type;
52   ffi_type* dbl_arg_types[5];
53 
54   struct cls_struct_align g_dbl = { 12, 4951, 127 };
55   struct cls_struct_align f_dbl = { 1, 9320, 13 };
56   struct cls_struct_align res_dbl;
57 
58   cls_struct_type.size = 0;
59   cls_struct_type.alignment = 0;
60   cls_struct_type.type = FFI_TYPE_STRUCT;
61   cls_struct_type.elements = cls_struct_fields;
62 
63   cls_struct_fields[0] = &ffi_type_uchar;
64   cls_struct_fields[1] = &ffi_type_sint64;
65   cls_struct_fields[2] = &ffi_type_uchar;
66   cls_struct_fields[3] = NULL;
67 
68   dbl_arg_types[0] = &cls_struct_type;
69   dbl_arg_types[1] = &cls_struct_type;
70   dbl_arg_types[2] = NULL;
71 
72   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
73 		     dbl_arg_types) == FFI_OK);
74 
75   args_dbl[0] = &g_dbl;
76   args_dbl[1] = &f_dbl;
77   args_dbl[2] = NULL;
78 
79   ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
80   /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
81   printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
82   /* { dg-output "\nres: 13 14271 140" } */
83 
84   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
85 
86   res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
87   /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
88   printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
89   /* { dg-output "\nres: 13 14271 140" } */
90 
91   exit(0);
92 }
93