cls_9byte2.c: New test case.

2003-11-08  Andreas Tobler  <a.tobler@schweiz.ch>

	* testsuite/libffi.call/cls_9byte2.c: New test case.
	* testsuite/libffi.call/cls_9byte1.c: Likewise.
	* testsuite/libffi.call/cls_64byte.c: Likewise.
	* testsuite/libffi.call/cls_20byte1.c: Likewise.
	* testsuite/libffi.call/cls_19byte.c: Likewise.
	* testsuite/libffi.call/cls_18byte.c: Likewise.
	* testsuite/libffi.call/closure_fn4.c: Likewise.
	* testsuite/libffi.call/closure_fn5.c: Likewise.
	* testsuite/libffi.call/cls_schar.c: Likewise.
	* testsuite/libffi.call/cls_sint.c: Likewise.
	* testsuite/libffi.call/cls_sshort.c: Likewise.
	* testsuite/libffi.call/nested_struct2.c: Likewise.
	* testsuite/libffi.call/nested_struct3.c: Likewise.

From-SVN: r73372

1 files changed, 90 insertions, 0 deletions

diff --git a/libffi/testsuite/libffi.call/cls_9byte2.c b/libffi/testsuite/libffi.call/cls_9byte2.c
new file mode 100644
index 0000000..2fc234e
--- /dev/null
+++ b/libffi/testsuite/libffi.call/cls_9byte2.c
@@ -0,0 +1,90 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Darwin/AIX do double-word
+		alignment of the struct if the first element is a double.
+		Check that it does here.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030914	 */
+
+/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
+#include "ffitest.h"
+
+typedef struct cls_struct_9byte {
+  double a;
+  int b;
+} cls_struct_9byte;
+
+cls_struct_9byte cls_struct_9byte_fn(struct cls_struct_9byte b1,
+			    struct cls_struct_9byte b2)
+{
+  struct cls_struct_9byte result;
+
+  result.a = b1.a + b2.a;
+  result.b = b1.b + b2.b;
+
+  printf("%g %d %g %d: %g %d\n", b1.a, b1.b,  b2.a, b2.b,
+	 result.a, result.b);
+
+  return result;
+}
+
+static void cls_struct_9byte_gn(ffi_cif* cif, void* resp, void** args,
+				void* userdata)
+{
+  struct cls_struct_9byte b1, b2;
+
+  b1 = *(struct cls_struct_9byte*)(args[0]);
+  b2 = *(struct cls_struct_9byte*)(args[1]);
+
+  *(cls_struct_9byte*)resp = cls_struct_9byte_fn(b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  static ffi_closure cl;
+  ffi_closure *pcl = &cl;
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[3];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_9byte h_dbl = { 7.0, 8};
+  struct cls_struct_9byte j_dbl = { 1.0, 9};
+  struct cls_struct_9byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_uint32;
+  cls_struct_fields[2] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &h_dbl;
+  args_dbl[1] = &j_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_9byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "7 8 1 9: 8 17" } */
+  CHECK( res_dbl.a == (h_dbl.a + j_dbl.a));
+  CHECK( res_dbl.b == (h_dbl.b + j_dbl.b));
+
+  CHECK(ffi_prep_closure(pcl, &cif, cls_struct_9byte_gn, NULL) == FFI_OK);
+
+  res_dbl = ((cls_struct_9byte(*)(cls_struct_9byte, cls_struct_9byte))(pcl))(h_dbl, j_dbl);
+  /* { dg-output "\n7 8 1 9: 8 17" } */
+  CHECK( res_dbl.a == (h_dbl.a + j_dbl.a));
+  CHECK( res_dbl.b == (h_dbl.b + j_dbl.b));
+
+  exit(0);
+}