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/* Area: ffi_call, closure_call
Purpose: Check passing of multiple signed char values.
Limitations: none.
PR: PR13221.
Originator: <hos@tamanegi.org> 20031129 */
/* { dg-do run } */
#include "ffitest.h"
signed char test_func_fn(signed char a1, signed char a2)
{
signed char result;
result = a1 + a2;
printf("%d %d: %d\n", a1, a2, result);
return result;
}
static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
void *data __UNUSED__)
{
signed char a1, a2;
a1 = *(signed char *)avals[0];
a2 = *(signed char *)avals[1];
*(ffi_arg *)rval = test_func_fn(a1, a2);
}
typedef signed char (*test_type)(signed char, signed char);
int main (void)
{
ffi_cif cif;
#ifndef USING_MMAP
static ffi_closure cl;
#endif
ffi_closure *pcl;
void * args_dbl[3];
ffi_type * cl_arg_types[3];
ffi_arg res_call;
signed char a, b, res_closure;
#ifdef USING_MMAP
pcl = allocate_mmap (sizeof(ffi_closure));
#else
pcl = &cl;
#endif
a = 2;
b = 125;
args_dbl[0] = &a;
args_dbl[1] = &b;
args_dbl[2] = NULL;
cl_arg_types[0] = &ffi_type_schar;
cl_arg_types[1] = &ffi_type_schar;
cl_arg_types[2] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
&ffi_type_schar, cl_arg_types) == FFI_OK);
ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
/* { dg-output "2 125: 127" } */
printf("res: %d\n", (signed char)res_call);
/* { dg-output "\nres: 127" } */
CHECK(ffi_prep_closure(pcl, &cif, test_func_gn, NULL) == FFI_OK);
res_closure = (*((test_type)pcl))(2, 125);
/* { dg-output "\n2 125: 127" } */
printf("res: %d\n", res_closure);
/* { dg-output "\nres: 127" } */
exit(0);
}
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