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

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

cls_multi_sshort.c
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1/* Area: ffi_call, closure_call
2 Purpose: Check passing of multiple signed short 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 short a1, signed short a2)
11{
12 signed short result;
13
14 result = a1 + a2;
15
16 printf("%d %d: %d\n", a1, a2, result);
17
18 return result;
19
20}
21
22static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
23 void *data __UNUSED__)
24{
25 signed short a1, a2;
26
27 a1 = *(signed short *)avals[0];
28 a2 = *(signed short *)avals[1];
29
30 *(ffi_arg *)rval = test_func_fn(a1, a2);
31
32}
33
34 typedef signed short (*test_type)(signed short, signed short);
35
36 int main (void)
37{
38 ffi_cif cif;
39 void *code;
40 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
41 void * args_dbl[3];
42 ffi_type * cl_arg_types[3];
43 ffi_arg res_call;
44 unsigned short a, b, res_closure;
45
46 a = 2;
47 b = 32765;
48
49 args_dbl[0] = &a;
50 args_dbl[1] = &b;
51 args_dbl[2] = NULL;
52
53 cl_arg_types[0] = &ffi_type_sshort;
54 cl_arg_types[1] = &ffi_type_sshort;
55 cl_arg_types[2] = NULL;
56
57 /* Initialize the cif */
58 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
59 &ffi_type_sshort, cl_arg_types) == FFI_OK);
60
61 ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
62 /* { dg-output "2 32765: 32767" } */
63 printf("res: %d\n", (unsigned short)res_call);
64 /* { dg-output "\nres: 32767" } */
65
66 CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code) == FFI_OK);
67
68 res_closure = (*((test_type)code))(2, 32765);
69 /* { dg-output "\n2 32765: 32767" } */
70 printf("res: %d\n", res_closure);
71 /* { dg-output "\nres: 32767" } */
72
73 exit(0);
74}
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_type
signed short(* test_type)(signed short, signed short)
Definition: cls_multi_sshort.c:34
main
int main(void)
Definition: cls_multi_sshort.c:36
test_func_fn
signed short test_func_fn(signed short a1, signed short a2)
Definition: cls_multi_sshort.c:10
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