87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
|
/* Area: ffi_call
|
||
|
|
Purpose: Check non-standard complex types.
|
||
|
|
Limitations: none.
|
||
|
|
PR: none.
|
||
|
|
Originator: <vogt@linux.vnet.ibm.com>. */
|
||
|
|
|
||
|
|
/* { dg-do run } */
|
||
|
|
|
||
|
|
#include "ffitest.h"
|
||
|
|
#include "ffi.h"
|
||
|
|
#include <complex.h>
|
||
|
|
|
||
|
|
_Complex int f_complex(_Complex int c, int x, int *py)
|
||
|
|
{
|
||
|
|
__real__ c = -2 * __real__ c;
|
||
|
|
__imag__ c = __imag__ c + 1;
|
||
|
|
*py += x;
|
||
|
|
return c;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This macro can be used to define new complex type descriptors
|
||
|
|
* in a platform independent way.
|
||
|
|
*
|
||
|
|
* name: Name of the new descriptor is ffi_type_complex_<name>.
|
||
|
|
* type: The C base type of the complex type.
|
||
|
|
*/
|
||
|
|
#define FFI_COMPLEX_TYPEDEF(name, type, ffitype) \
|
||
|
|
static ffi_type *ffi_elements_complex_##name [2] = { \
|
||
|
|
(ffi_type *)(&ffitype), NULL \
|
||
|
|
}; \
|
||
|
|
struct struct_align_complex_##name { \
|
||
|
|
char c; \
|
||
|
|
_Complex type x; \
|
||
|
|
}; \
|
||
|
|
ffi_type ffi_type_complex_##name = { \
|
||
|
|
sizeof(_Complex type), \
|
||
|
|
offsetof(struct struct_align_complex_##name, x), \
|
||
|
|
FFI_TYPE_COMPLEX, \
|
||
|
|
(ffi_type **)ffi_elements_complex_##name \
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Define new complex type descriptors using the macro: */
|
||
|
|
/* ffi_type_complex_sint */
|
||
|
|
FFI_COMPLEX_TYPEDEF(sint, int, ffi_type_sint);
|
||
|
|
/* ffi_type_complex_uchar */
|
||
|
|
FFI_COMPLEX_TYPEDEF(uchar, unsigned char, ffi_type_uint8);
|
||
|
|
|
||
|
|
int main (void)
|
||
|
|
{
|
||
|
|
ffi_cif cif;
|
||
|
|
ffi_type *args[MAX_ARGS];
|
||
|
|
void *values[MAX_ARGS];
|
||
|
|
|
||
|
|
_Complex int tc_arg;
|
||
|
|
_Complex int tc_result;
|
||
|
|
int tc_int_arg_x;
|
||
|
|
int tc_y;
|
||
|
|
int *tc_ptr_arg_y = &tc_y;
|
||
|
|
|
||
|
|
args[0] = &ffi_type_complex_sint;
|
||
|
|
args[1] = &ffi_type_sint;
|
||
|
|
args[2] = &ffi_type_pointer;
|
||
|
|
values[0] = &tc_arg;
|
||
|
|
values[1] = &tc_int_arg_x;
|
||
|
|
values[2] = &tc_ptr_arg_y;
|
||
|
|
|
||
|
|
/* Initialize the cif */
|
||
|
|
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &ffi_type_complex_sint, args)
|
||
|
|
== FFI_OK);
|
||
|
|
|
||
|
|
tc_arg = 1 + 7 * I;
|
||
|
|
tc_int_arg_x = 1234;
|
||
|
|
tc_y = 9876;
|
||
|
|
ffi_call(&cif, FFI_FN(f_complex), &tc_result, values);
|
||
|
|
|
||
|
|
printf ("%d,%di %d,%di, x %d 1234, y %d 11110\n",
|
||
|
|
(int)tc_result, (int)(tc_result * -I), 2, 8, tc_int_arg_x, tc_y);
|
||
|
|
/* dg-output "-2,8i 2,8i, x 1234 1234, y 11110 11110" */
|
||
|
|
CHECK (creal (tc_result) == -2);
|
||
|
|
CHECK (cimag (tc_result) == 8);
|
||
|
|
CHECK (tc_int_arg_x == 1234);
|
||
|
|
CHECK (*tc_ptr_arg_y == 11110);
|
||
|
|
|
||
|
|
exit(0);
|
||
|
|
}
|