diff options
Diffstat (limited to 'js/src/ctypes/libffi/testsuite/libffi.complex/complex_int.c')
-rw-r--r-- | js/src/ctypes/libffi/testsuite/libffi.complex/complex_int.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/js/src/ctypes/libffi/testsuite/libffi.complex/complex_int.c b/js/src/ctypes/libffi/testsuite/libffi.complex/complex_int.c new file mode 100644 index 0000000000..bac319081e --- /dev/null +++ b/js/src/ctypes/libffi/testsuite/libffi.complex/complex_int.c @@ -0,0 +1,86 @@ +/* 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); +} |