gcc/libffi/testsuite/libffi.call/cls_uchar_va.c

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2012-12-26 17:28:02 +01:00
/* Area: closure_call
Purpose: Test anonymous unsigned char argument.
Limitations: none.
PR: none.
Originator: ARM Ltd. */
/* { dg-do run } */
#include "ffitest.h"
typedef unsigned char T;
static void cls_ret_T_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
void* userdata __UNUSED__)
{
*(ffi_arg *)resp = *(T *)args[0];
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printf("%d: %d %d\n", (int)(*(ffi_arg *)resp), *(T *)args[0], *(T *)args[1]);
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}
typedef T (*cls_ret_T)(T, ...);
int main (void)
{
ffi_cif cif;
void *code;
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
ffi_type * cl_arg_types[3];
T res;
cl_arg_types[0] = &ffi_type_uchar;
cl_arg_types[1] = &ffi_type_uchar;
cl_arg_types[2] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2,
&ffi_type_uchar, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_T_fn, NULL, code) == FFI_OK);
res = ((((cls_ret_T)code)(67, 4)));
/* { dg-output "67: 67 4" } */
printf("res: %d\n", res);
/* { dg-output "\nres: 67" } */
exit(0);
}