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

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

cls_multi_sshortchar.c
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1/* Area: ffi_call, closure_call
2 Purpose: Check passing of multiple signed short/char values.
3 Limitations: none.
4 PR: PR13221.
5 Originator: <andreast@gcc.gnu.org> 20031129 */
6
7/* { dg-do run } */
8#include "ffitest.h"
9
10 signed short test_func_fn(signed char a1, signed short a2,
11 signed char a3, signed short a4)
12{
13 signed short result;
14
15 result = a1 + a2 + a3 + a4;
16
17 printf("%d %d %d %d: %d\n", a1, a2, a3, a4, result);
18
19 return result;
20
21}
22
23static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
24 void *data __UNUSED__)
25{
26 signed char a1, a3;
27 signed short a2, a4;
28
29 a1 = *(signed char *)avals[0];
30 a2 = *(signed short *)avals[1];
31 a3 = *(signed char *)avals[2];
32 a4 = *(signed short *)avals[3];
33
34 *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);
35
36}
37
38 typedef signed short (*test_type)(signed char, signed short,
39 signed char, signed short);
40
41 int main (void)
42{
43 ffi_cif cif;
44 void *code;
45 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
46 void * args_dbl[5];
47 ffi_type * cl_arg_types[5];
48 ffi_arg res_call;
49 signed char a, c;
50 signed short b, d, res_closure;
51
52 a = 1;
53 b = 32765;
54 c = 127;
55 d = -128;
56
57 args_dbl[0] = &a;
58 args_dbl[1] = &b;
59 args_dbl[2] = &c;
60 args_dbl[3] = &d;
61 args_dbl[4] = NULL;
62
63 cl_arg_types[0] = &ffi_type_schar;
64 cl_arg_types[1] = &ffi_type_sshort;
65 cl_arg_types[2] = &ffi_type_schar;
66 cl_arg_types[3] = &ffi_type_sshort;
67 cl_arg_types[4] = NULL;
68
69 /* Initialize the cif */
70 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
71 &ffi_type_sshort, cl_arg_types) == FFI_OK);
72
73 ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
74 /* { dg-output "1 32765 127 -128: 32765" } */
75 printf("res: %d\n", (signed short)res_call);
76 /* { dg-output "\nres: 32765" } */
77
78 CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code) == FFI_OK);
79
80 res_closure = (*((test_type)code))(1, 32765, 127, -128);
81 /* { dg-output "\n1 32765 127 -128: 32765" } */
82 printf("res: %d\n", res_closure);
83 /* { dg-output "\nres: 32765" } */
84
85 exit(0);
86}
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_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
test_func_fn
signed short test_func_fn(signed char a1, signed short a2, signed char a3, signed short a4)
Definition: cls_multi_sshortchar.c:10
main
int main(void)
Definition: cls_multi_sshortchar.c:41
test_type
signed short(* test_type)(signed char, signed short, signed char, signed short)
Definition: cls_multi_sshortchar.c:38
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
code
Definition: inftree9.h:24