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-rw-r--r--js/src/ctypes/libffi/testsuite/libffi.complex/complex_int.c86
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);
+}