1 /* Area:	ffi_call, closure_call
2    Purpose:	Check structure passing with different structure size.
3 		Contains structs as parameter of the struct itself.
4    Limitations:	none.
5    PR:		none.
6    Originator:	<andreast@gcc.gnu.org> 20030828	 */
7 
8 /* { dg-do run } */
9 #include "ffitest.h"
10 
11 typedef struct cls_struct_16byte1 {
12   double a;
13   float b;
14   int c;
15 } cls_struct_16byte1;
16 
17 typedef struct cls_struct_16byte2 {
18   int ii;
19   double dd;
20   float ff;
21 } cls_struct_16byte2;
22 
23 typedef struct cls_struct_combined {
24   cls_struct_16byte1 d;
25   cls_struct_16byte2 e;
26 } cls_struct_combined;
27 
cls_struct_combined_fn(struct cls_struct_16byte1 b0,struct cls_struct_16byte2 b1,struct cls_struct_combined b2,struct cls_struct_16byte1 b3)28 cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0,
29 					   struct cls_struct_16byte2 b1,
30 					   struct cls_struct_combined b2,
31 					   struct cls_struct_16byte1 b3)
32 {
33   struct cls_struct_combined result;
34 
35   result.d.a = b0.a + b1.dd + b2.d.a;
36   result.d.b = b0.b + b1.ff + b2.d.b;
37   result.d.c = b0.c + b1.ii + b2.d.c;
38   result.e.ii = b0.c + b1.ii + b2.e.ii;
39   result.e.dd = b0.a + b1.dd + b2.e.dd;
40   result.e.ff = b0.b + b1.ff + b2.e.ff;
41 
42   printf("%g %g %d %d %g %g %g %g %d %d %g %g %g %g %d: %g %g %d %d %g %g\n",
43 	 b0.a, b0.b, b0.c,
44 	 b1.ii, b1.dd, b1.ff,
45 	 b2.d.a, b2.d.b, b2.d.c,
46 	 b2.e.ii, b2.e.dd, b2.e.ff,
47 	 b3.a, b3.b, b3.c,
48 	 result.d.a, result.d.b, result.d.c,
49 	 result.e.ii, result.e.dd, result.e.ff);
50 
51   return result;
52 }
53 
54 static void
cls_struct_combined_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)55 cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
56 		       void* userdata __UNUSED__)
57 {
58   struct cls_struct_16byte1 b0;
59   struct cls_struct_16byte2 b1;
60   struct cls_struct_combined b2;
61   struct cls_struct_16byte1 b3;
62 
63   b0 = *(struct cls_struct_16byte1*)(args[0]);
64   b1 = *(struct cls_struct_16byte2*)(args[1]);
65   b2 = *(struct cls_struct_combined*)(args[2]);
66   b3 = *(struct cls_struct_16byte1*)(args[3]);
67 
68 
69   *(cls_struct_combined*)resp = cls_struct_combined_fn(b0, b1, b2, b3);
70 }
71 
main(void)72 int main (void)
73 {
74   ffi_cif cif;
75   void *code;
76   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
77   void* args_dbl[5];
78   ffi_type* cls_struct_fields[5];
79   ffi_type* cls_struct_fields1[5];
80   ffi_type* cls_struct_fields2[5];
81   ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
82   ffi_type* dbl_arg_types[5];
83 
84   struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
85   struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
86   struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
87 				      {3, 1.0, 8.0}};
88   struct cls_struct_16byte1 h_dbl = { 3.0, 2.0, 4};
89   struct cls_struct_combined res_dbl;
90 
91   cls_struct_type.size = 0;
92   cls_struct_type.alignment = 0;
93   cls_struct_type.type = FFI_TYPE_STRUCT;
94   cls_struct_type.elements = cls_struct_fields;
95 
96   cls_struct_type1.size = 0;
97   cls_struct_type1.alignment = 0;
98   cls_struct_type1.type = FFI_TYPE_STRUCT;
99   cls_struct_type1.elements = cls_struct_fields1;
100 
101   cls_struct_type2.size = 0;
102   cls_struct_type2.alignment = 0;
103   cls_struct_type2.type = FFI_TYPE_STRUCT;
104   cls_struct_type2.elements = cls_struct_fields2;
105 
106   cls_struct_fields[0] = &ffi_type_double;
107   cls_struct_fields[1] = &ffi_type_float;
108   cls_struct_fields[2] = &ffi_type_sint;
109   cls_struct_fields[3] = NULL;
110 
111   cls_struct_fields1[0] = &ffi_type_sint;
112   cls_struct_fields1[1] = &ffi_type_double;
113   cls_struct_fields1[2] = &ffi_type_float;
114   cls_struct_fields1[3] = NULL;
115 
116   cls_struct_fields2[0] = &cls_struct_type;
117   cls_struct_fields2[1] = &cls_struct_type1;
118   cls_struct_fields2[2] = NULL;
119 
120 
121   dbl_arg_types[0] = &cls_struct_type;
122   dbl_arg_types[1] = &cls_struct_type1;
123   dbl_arg_types[2] = &cls_struct_type2;
124   dbl_arg_types[3] = &cls_struct_type;
125   dbl_arg_types[4] = NULL;
126 
127   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type2,
128 		     dbl_arg_types) == FFI_OK);
129 
130   args_dbl[0] = &e_dbl;
131   args_dbl[1] = &f_dbl;
132   args_dbl[2] = &g_dbl;
133   args_dbl[3] = &h_dbl;
134   args_dbl[4] = NULL;
135 
136   ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
137   /* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
138   CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
139   CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
140   CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
141   CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
142   CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
143   CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
144 
145   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
146 
147   res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
148 				     cls_struct_16byte2,
149 				     cls_struct_combined,
150 				     cls_struct_16byte1))
151 	     (code))(e_dbl, f_dbl, g_dbl, h_dbl);
152   /* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
153   CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
154   CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
155   CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
156   CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
157   CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
158   CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
159   /*  CHECK( 1 == 0); */
160   exit(0);
161 }
162