1 files changed, 113 insertions, 0 deletions
diff --git a/testsuite/libffi.call/cls_24byte.c b/testsuite/libffi.call/cls_24byte.c
new file mode 100644
index 0000000..46a6eb4
--- /dev/null
+++ b/testsuite/libffi.call/cls_24byte.c
@@ -0,0 +1,113 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_24byte {
+  double a;
+  double b;
+  int c;
+  float d;
+} cls_struct_24byte;
+
+cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0,
+			    struct cls_struct_24byte b1,
+			    struct cls_struct_24byte b2,
+			    struct cls_struct_24byte b3)
+{
+  struct cls_struct_24byte result;
+
+  result.a = b0.a + b1.a + b2.a + b3.a;
+  result.b = b0.b + b1.b + b2.b + b3.b;
+  result.c = b0.c + b1.c + b2.c + b3.c;
+  result.d = b0.d + b1.d + b2.d + b3.d;
+
+  printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n",
+	 b0.a, b0.b, b0.c, b0.d,
+	 b1.a, b1.b, b1.c, b1.d,
+	 b2.a, b2.b, b2.c, b2.d,
+	 b3.a, b3.b, b3.c, b2.d,
+	 result.a, result.b, result.c, result.d);
+
+  return result;
+}
+
+static void
+cls_struct_24byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		     void* userdata __UNUSED__)
+{
+  struct cls_struct_24byte b0, b1, b2, b3;
+
+  b0 = *(struct cls_struct_24byte*)(args[0]);
+  b1 = *(struct cls_struct_24byte*)(args[1]);
+  b2 = *(struct cls_struct_24byte*)(args[2]);
+  b3 = *(struct cls_struct_24byte*)(args[3]);
+
+  *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[5];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  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_24byte e_dbl = { 9.0, 2.0, 6, 5.0 };
+  struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 };
+  struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 };
+  struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 };
+  struct cls_struct_24byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_double;
+  cls_struct_fields[2] = &ffi_type_sint;
+  cls_struct_fields[3] = &ffi_type_float;
+  cls_struct_fields[4] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = &cls_struct_type;
+  dbl_arg_types[3] = &cls_struct_type;
+  dbl_arg_types[4] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = &g_dbl;
+  args_dbl[3] = &h_dbl;
+  args_dbl[4] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
+  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 22 15 17 25" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_24byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte,
+				   cls_struct_24byte,
+				   cls_struct_24byte,
+				   cls_struct_24byte))
+	     (code))(e_dbl, f_dbl, g_dbl, h_dbl);
+  /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
+  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 22 15 17 25" } */
+
+  exit(0);
+}