Ruby: ext/fiddle/libffi-3.2.1/testsuite/libffi.call/cls_64byte.c Source File

Ruby 3.0.5p211 (2022-11-24 revision ba5cf0f7c52d4d35cc6a173c89eda98ceffa2dcf)

cls_64byte.c
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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 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
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
45static void
46cls_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
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}
ffi_prep_closure_loc
ffi_status ffi_prep_closure_loc(ffi_closure *closure, ffi_cif *cif, void(*fun)(ffi_cif *, void *, void **, void *), void *user_data, void *codeloc)
Definition: ffi.c:928
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
cls_struct_64byte_fn
cls_struct_64byte cls_struct_64byte_fn(struct cls_struct_64byte b0, struct cls_struct_64byte b1, struct cls_struct_64byte b2, struct cls_struct_64byte b3)
Definition: cls_64byte.c:23
main
int main(void)
Definition: cls_64byte.c:59
CHECK
#define CHECK(sub)
Definition: compile.c:429
ffitest.h
__UNUSED__
#define __UNUSED__
Definition: ffitest.h:23
ffi_prep_cif
ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, ffi_type *rtype, ffi_type **atypes)
Definition: prep_cif.c:226
NULL
#define NULL
Definition: regenc.h:69
cls_struct_64byte
Definition: cls_64byte.c:12
cls_struct_64byte::d
double d
Definition: cls_64byte.c:16
cls_struct_64byte::b
double b
Definition: cls_64byte.c:14
cls_struct_64byte::e
double e
Definition: cls_64byte.c:17
cls_struct_64byte::h
double h
Definition: cls_64byte.c:20
cls_struct_64byte::c
double c
Definition: cls_64byte.c:15
cls_struct_64byte::a
double a
Definition: cls_64byte.c:13
cls_struct_64byte::g
double g
Definition: cls_64byte.c:19
cls_struct_64byte::f
double f
Definition: cls_64byte.c:18
code
Definition: inftree9.h:24