1 /* Area:	ffi_call, closure_call
2    Purpose:	Check structure passing with different structure size.
3 		Depending on the ABI. Check bigger struct which overlaps
4 		the gp and fp register count on Darwin/AIX/ppc64.
5    Limitations:	none.
6    PR:		none.
7    Originator:	<andreast@gcc.gnu.org> 20030828	 */
8 
9 /* { dg-do run } */
10 #include "ffitest.h"
11 
12 typedef struct cls_struct_64byte {
13   double a;
14   double b;
15   double c;
16   double d;
17   double e;
18   double f;
19   double g;
20   double h;
21 } cls_struct_64byte;
22 
cls_struct_64byte_fn(struct cls_struct_64byte b0,struct cls_struct_64byte b1,struct cls_struct_64byte b2,struct cls_struct_64byte b3)23 cls_struct_64byte cls_struct_64byte_fn(struct cls_struct_64byte b0,
24 			    struct cls_struct_64byte b1,
25 			    struct cls_struct_64byte b2,
26 			    struct cls_struct_64byte b3)
27 {
28   struct cls_struct_64byte result;
29 
30   result.a = b0.a + b1.a + b2.a + b3.a;
31   result.b = b0.b + b1.b + b2.b + b3.b;
32   result.c = b0.c + b1.c + b2.c + b3.c;
33   result.d = b0.d + b1.d + b2.d + b3.d;
34   result.e = b0.e + b1.e + b2.e + b3.e;
35   result.f = b0.f + b1.f + b2.f + b3.f;
36   result.g = b0.g + b1.g + b2.g + b3.g;
37   result.h = b0.h + b1.h + b2.h + b3.h;
38 
39   printf("%g %g %g %g %g %g %g %g\n", result.a, result.b, result.c,
40 	 result.d, result.e, result.f, result.g, result.h);
41 
42   return result;
43 }
44 
45 static void
cls_struct_64byte_gn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)46 cls_struct_64byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
47 		     void* userdata __UNUSED__)
48 {
49   struct cls_struct_64byte b0, b1, b2, b3;
50 
51   b0 = *(struct cls_struct_64byte*)(args[0]);
52   b1 = *(struct cls_struct_64byte*)(args[1]);
53   b2 = *(struct cls_struct_64byte*)(args[2]);
54   b3 = *(struct cls_struct_64byte*)(args[3]);
55 
56   *(cls_struct_64byte*)resp = cls_struct_64byte_fn(b0, b1, b2, b3);
57 }
58 
main(void)59 int main (void)
60 {
61   ffi_cif cif;
62   void *code;
63   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
64   void* args_dbl[5];
65   ffi_type* cls_struct_fields[9];
66   ffi_type cls_struct_type;
67   ffi_type* dbl_arg_types[5];
68 
69   struct cls_struct_64byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0 };
70   struct cls_struct_64byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0 };
71   struct cls_struct_64byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0 };
72   struct cls_struct_64byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0 };
73   struct cls_struct_64byte res_dbl;
74 
75   cls_struct_type.size = 0;
76   cls_struct_type.alignment = 0;
77   cls_struct_type.type = FFI_TYPE_STRUCT;
78   cls_struct_type.elements = cls_struct_fields;
79 
80   cls_struct_fields[0] = &ffi_type_double;
81   cls_struct_fields[1] = &ffi_type_double;
82   cls_struct_fields[2] = &ffi_type_double;
83   cls_struct_fields[3] = &ffi_type_double;
84   cls_struct_fields[4] = &ffi_type_double;
85   cls_struct_fields[5] = &ffi_type_double;
86   cls_struct_fields[6] = &ffi_type_double;
87   cls_struct_fields[7] = &ffi_type_double;
88   cls_struct_fields[8] = NULL;
89 
90   dbl_arg_types[0] = &cls_struct_type;
91   dbl_arg_types[1] = &cls_struct_type;
92   dbl_arg_types[2] = &cls_struct_type;
93   dbl_arg_types[3] = &cls_struct_type;
94   dbl_arg_types[4] = NULL;
95 
96   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
97 		     dbl_arg_types) == FFI_OK);
98 
99   args_dbl[0] = &e_dbl;
100   args_dbl[1] = &f_dbl;
101   args_dbl[2] = &g_dbl;
102   args_dbl[3] = &h_dbl;
103   args_dbl[4] = NULL;
104 
105   ffi_call(&cif, FFI_FN(cls_struct_64byte_fn), &res_dbl, args_dbl);
106   /* { dg-output "22 15 17 25 6 13 19 18" } */
107   printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
108 	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
109   /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
110 
111   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_64byte_gn, NULL, code) == FFI_OK);
112 
113   res_dbl = ((cls_struct_64byte(*)(cls_struct_64byte,
114 				   cls_struct_64byte,
115 				   cls_struct_64byte,
116 				   cls_struct_64byte))
117 	     (code))(e_dbl, f_dbl, g_dbl, h_dbl);
118   /* { dg-output "\n22 15 17 25 6 13 19 18" } */
119   printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
120 	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
121   /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
122 
123   exit(0);
124 }
125