1 files changed, 118 insertions, 0 deletions
diff --git a/libffi/testsuite/libffi.call/nested_struct3.c b/libffi/testsuite/libffi.call/nested_struct3.c
new file mode 100644
index 0000000..95cf2f3
--- /dev/null
+++ b/libffi/testsuite/libffi.call/nested_struct3.c
@@ -0,0 +1,118 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030911	 */
+
+/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
+#include "ffitest.h"
+
+typedef struct A {
+  unsigned long long a;
+  unsigned char b;
+} A;
+
+typedef struct B {
+  struct A x;
+  unsigned char y;
+} B;
+
+B B_fn(struct A b0, struct B b1)
+{
+  struct B result;
+
+  result.x.a = b0.a + b1.x.a;
+  result.x.b = b0.b + b1.x.b + b1.y;
+  result.y = b0.b + b1.x.b;
+
+  printf("%d %d %d %d %d: %d %d %d\n", (int)b0.a, b0.b,
+	 (int)b1.x.a, b1.x.b, b1.y,
+	 (int)result.x.a, result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif, void* resp, void** args, void* userdata)
+{
+  struct A b0;
+  struct B b1;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+
+  *(B*)resp = B_fn(b0, b1);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+#ifndef USING_MMAP
+  static ffi_closure cl;
+#endif
+  ffi_closure *pcl;
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[3];
+  ffi_type cls_struct_type, cls_struct_type1;
+  ffi_type* dbl_arg_types[3];
+
+#ifdef USING_MMAP
+  pcl = allocate_mmap (sizeof(ffi_closure));
+#else
+  pcl = &cl;
+#endif
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  struct A e_dbl = { 1LL, 7};
+  struct B f_dbl = {{12LL , 127}, 99};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uint64;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &cls_struct_type;
+  cls_struct_fields1[1] = &ffi_type_uchar;
+  cls_struct_fields1[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+
+  CHECK(ffi_prep_closure(pcl, &cif, B_gn, NULL) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B))(pcl))(e_dbl, f_dbl);
+  /* { dg-output "\n1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+  exit(0);
+}