Ruby 2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)

return_ul.c
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1 /* Area: ffi_call
2 Purpose: Check if unsigned long as return type is handled correctly.
3 Limitations: none.
4 PR: none.
5 Originator: <kaffeetisch at gmx dot de> 20060724 */
6
7 /* { dg-do run } */
8 #include "ffitest.h"
9 static unsigned long return_ul(unsigned long ul1, unsigned long ul2)
10 {
11 return ul1 + ul2;
12 }
13
14 int main (void)
15 {
16 ffi_cif cif;
17 ffi_type *args[MAX_ARGS];
18 void *values[MAX_ARGS];
19 ffi_arg res;
20 unsigned long ul1, ul2;
21
22 args[0] = &ffi_type_ulong;
23 args[1] = &ffi_type_ulong;
24 values[0] = &ul1;
25 values[1] = &ul2;
26
27 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
28 &ffi_type_ulong, args) == FFI_OK);
29
30 ul1 = 1073741823L;
31 ul2 = 1073741824L;
32
33 ffi_call(&cif, FFI_FN(return_ul), &res, values);
34 printf("res: %lu, %lu\n", (unsigned long)res, ul1 + ul2);
35 /* { dg-output "res: 2147483647, 2147483647" } */
36
37 exit(0);
38 }
ffi_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
main
int main(void)
Definition: return_ul.c:14
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
exit
void exit(int __status) __attribute__((__noreturn__))
L
#define L(x)
Definition: asm.h:125
ffitest.h
CHECK
#define CHECK(sub)
Definition: compile.c:448
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
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
MAX_ARGS
#define MAX_ARGS
Definition: function.c:15
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813