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1 /* Area:	ffi_call, closure_call
2    Purpose:	Check structure passing with different structure size.
3 		Depending on the ABI. Check overlapping.
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_16byte {
12   int a;
13   double b;
14   int c;
15 } cls_struct_16byte;
16 
cls_struct_16byte_fn(struct cls_struct_16byte b1,struct cls_struct_16byte b2)17 cls_struct_16byte cls_struct_16byte_fn(struct cls_struct_16byte b1,
18 			    struct cls_struct_16byte b2)
19 {
20   struct cls_struct_16byte result;
21 
22   result.a = b1.a + b2.a;
23   result.b = b1.b + b2.b;
24   result.c = b1.c + b2.c;
25 
26   printf("%d %g %d %d %g %d: %d %g %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
27 	 result.a, result.b, result.c);
28 
29   return result;
30 }
31 
cls_struct_16byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)32 static void cls_struct_16byte_gn(ffi_cif* cif __UNUSED__, void* resp,
33 				 void** args, void* userdata __UNUSED__)
34 {
35   struct cls_struct_16byte b1, b2;
36 
37   b1 = *(struct cls_struct_16byte*)(args[0]);
38   b2 = *(struct cls_struct_16byte*)(args[1]);
39 
40   *(cls_struct_16byte*)resp = cls_struct_16byte_fn(b1, b2);
41 }
42 
main(void)43 int main (void)
44 {
45   ffi_cif cif;
46   void *code;
47   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
48   void* args_dbl[5];
49   ffi_type* cls_struct_fields[4];
50   ffi_type cls_struct_type;
51   ffi_type* dbl_arg_types[5];
52 
53   struct cls_struct_16byte h_dbl = { 7, 8.0, 9 };
54   struct cls_struct_16byte j_dbl = { 1, 9.0, 3 };
55   struct cls_struct_16byte res_dbl;
56 
57   cls_struct_type.size = 0;
58   cls_struct_type.alignment = 0;
59   cls_struct_type.type = FFI_TYPE_STRUCT;
60   cls_struct_type.elements = cls_struct_fields;
61 
62   cls_struct_fields[0] = &ffi_type_sint;
63   cls_struct_fields[1] = &ffi_type_double;
64   cls_struct_fields[2] = &ffi_type_sint;
65   cls_struct_fields[3] = NULL;
66 
67   dbl_arg_types[0] = &cls_struct_type;
68   dbl_arg_types[1] = &cls_struct_type;
69   dbl_arg_types[2] = NULL;
70 
71   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
72 		     dbl_arg_types) == FFI_OK);
73 
74   args_dbl[0] = &h_dbl;
75   args_dbl[1] = &j_dbl;
76   args_dbl[2] = NULL;
77 
78   ffi_call(&cif, FFI_FN(cls_struct_16byte_fn), &res_dbl, args_dbl);
79   /* { dg-output "7 8 9 1 9 3: 8 17 12" } */
80   printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
81   /* { dg-output "\nres: 8 17 12" } */
82 
83   res_dbl.a = 0;
84   res_dbl.b = 0.0;
85   res_dbl.c = 0;
86 
87   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_16byte_gn, NULL, code) == FFI_OK);
88 
89   res_dbl = ((cls_struct_16byte(*)(cls_struct_16byte, cls_struct_16byte))(code))(h_dbl, j_dbl);
90   /* { dg-output "\n7 8 9 1 9 3: 8 17 12" } */
91   printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
92   /* { dg-output "\nres: 8 17 12" } */
93 
94   exit(0);
95 }
96