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1 /* Area:	ffi_call, closure_call
2    Purpose:	Check structure passing with different structure size.
3    Limitations:	none.
4    PR:		none.
5    Originator:	<andreast@gcc.gnu.org> 20030828	 */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
10 typedef struct cls_struct_12byte {
11   int a;
12   int b;
13   int c;
14 } cls_struct_12byte;
15 
cls_struct_12byte_fn(struct cls_struct_12byte b1,struct cls_struct_12byte b2)16 cls_struct_12byte cls_struct_12byte_fn(struct cls_struct_12byte b1,
17 			    struct cls_struct_12byte b2)
18 {
19   struct cls_struct_12byte result;
20 
21   result.a = b1.a + b2.a;
22   result.b = b1.b + b2.b;
23   result.c = b1.c + b2.c;
24 
25   printf("%d %d %d %d %d %d: %d %d %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
26 	 result.a, result.b, result.c);
27 
28   return result;
29 }
30 
cls_struct_12byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)31 static void cls_struct_12byte_gn(ffi_cif* cif __UNUSED__, void* resp,
32 				 void** args , void* userdata __UNUSED__)
33 {
34   struct cls_struct_12byte b1, b2;
35 
36   b1 = *(struct cls_struct_12byte*)(args[0]);
37   b2 = *(struct cls_struct_12byte*)(args[1]);
38 
39   *(cls_struct_12byte*)resp = cls_struct_12byte_fn(b1, b2);
40 }
41 
main(void)42 int main (void)
43 {
44   ffi_cif cif;
45 #ifndef USING_MMAP
46   static ffi_closure cl;
47 #endif
48   ffi_closure *pcl;
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 #ifdef USING_MMAP
55   pcl = allocate_mmap (sizeof(ffi_closure));
56 #else
57   pcl = &cl;
58 #endif
59 
60   cls_struct_type.size = 0;
61   cls_struct_type.alignment = 0;
62   cls_struct_type.type = FFI_TYPE_STRUCT;
63   cls_struct_type.elements = cls_struct_fields;
64 
65   struct cls_struct_12byte h_dbl = { 7, 4, 9 };
66   struct cls_struct_12byte j_dbl = { 1, 5, 3 };
67   struct cls_struct_12byte res_dbl;
68 
69   cls_struct_fields[0] = &ffi_type_sint;
70   cls_struct_fields[1] = &ffi_type_sint;
71   cls_struct_fields[2] = &ffi_type_sint;
72   cls_struct_fields[3] = NULL;
73 
74   dbl_arg_types[0] = &cls_struct_type;
75   dbl_arg_types[1] = &cls_struct_type;
76   dbl_arg_types[2] = NULL;
77 
78   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
79 		     dbl_arg_types) == FFI_OK);
80 
81   args_dbl[0] = &h_dbl;
82   args_dbl[1] = &j_dbl;
83   args_dbl[2] = NULL;
84 
85   ffi_call(&cif, FFI_FN(cls_struct_12byte_fn), &res_dbl, args_dbl);
86   /* { dg-output "7 4 9 1 5 3: 8 9 12" } */
87   printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
88   /* { dg-output "\nres: 8 9 12" } */
89 
90   CHECK(ffi_prep_closure(pcl, &cif, cls_struct_12byte_gn, NULL) == FFI_OK);
91 
92   res_dbl.a = 0;
93   res_dbl.b = 0;
94   res_dbl.c = 0;
95 
96   res_dbl = ((cls_struct_12byte(*)(cls_struct_12byte, cls_struct_12byte))(pcl))(h_dbl, j_dbl);
97   /* { dg-output "\n7 4 9 1 5 3: 8 9 12" } */
98   printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
99   /* { dg-output "\nres: 8 9 12" } */
100 
101   exit(0);
102 }
103