add circuitpython code

1 files changed, 66 insertions, 0 deletions

diff --git a/circuitpython/lib/libffi/testsuite/libffi.call/cls_dbls_struct.c b/circuitpython/lib/libffi/testsuite/libffi.call/cls_dbls_struct.c
new file mode 100644
index 0000000..d663791
--- /dev/null
+++ b/circuitpython/lib/libffi/testsuite/libffi.call/cls_dbls_struct.c
@@ -0,0 +1,66 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Check double arguments in structs.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin 6/23/2007	*/
+
+/* { dg-do run } */
+
+#include "ffitest.h"
+
+typedef struct Dbls {
+	double x;
+	double y;
+} Dbls;
+
+void
+closure_test_fn(Dbls p)
+{
+	printf("%.1f %.1f\n", p.x, p.y);
+}
+
+void
+closure_test_gn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__,
+		void** args, void* userdata __UNUSED__)
+{
+	closure_test_fn(*(Dbls*)args[0]);
+}
+
+int main(int argc __UNUSED__, char** argv __UNUSED__)
+{
+	ffi_cif cif;
+
+        void *code;
+	ffi_closure*	pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	ffi_type*		cl_arg_types[1];
+
+	ffi_type	ts1_type;
+	ffi_type*	ts1_type_elements[4];
+
+	Dbls arg = { 1.0, 2.0 };
+
+	ts1_type.size = 0;
+	ts1_type.alignment = 0;
+	ts1_type.type = FFI_TYPE_STRUCT;
+	ts1_type.elements = ts1_type_elements;
+
+	ts1_type_elements[0] = &ffi_type_double;
+	ts1_type_elements[1] = &ffi_type_double;
+	ts1_type_elements[2] = NULL;
+
+	cl_arg_types[0] = &ts1_type;
+
+	/* Initialize the cif */
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+				 &ffi_type_void, cl_arg_types) == FFI_OK);
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_gn, NULL, code) == FFI_OK);
+
+	((void*(*)(Dbls))(code))(arg);
+	/* { dg-output "1.0 2.0\n" } */
+
+	closure_test_fn(arg);
+	/* { dg-output "1.0 2.0\n" } */
+
+	return 0;
+}