1 files changed, 92 insertions, 0 deletions
diff --git a/gcc/testsuite/objc/execute/bf-common.h b/gcc/testsuite/objc/execute/bf-common.h
new file mode 100644
index 000000000..ca70c21a4
--- /dev/null
+++ b/gcc/testsuite/objc/execute/bf-common.h
@@ -0,0 +1,92 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifndef __NEXT_RUNTIME__
+#include <objc/encoding.h>
+#else
+/* The following header, together with the implementation included below,
+   emulate functionality provided by the GNU runtime but not available from
+   the NeXT runtime.  */
+#include "../../objc-obj-c++-shared/objc-test-suite-next-encode-assist.h"
+#define objc_get_class(C) objc_getClass(C)
+#endif
+
+#ifndef __OBJC2__
+void print_ivars (Class class)
+{
+  struct objc_ivar_list* ivars = class->ivars;
+  int i;
+
+  for (i = 0; i < ivars->ivar_count; i++) {
+    struct objc_ivar *ivar = &(ivars->ivar_list[i]);
+    printf ("ivar '%s', type '%s', offset %d\n",
+	    ivar->ivar_name, ivar->ivar_type, ivar->ivar_offset);
+  }
+}
+
+void compare_structures (Class class, const char* type)
+{
+  struct objc_struct_layout layout;
+  struct objc_ivar_list* ivars = class->ivars;
+  int i = 0;
+  int position;
+
+  objc_layout_structure (type, &layout);
+
+  while (objc_layout_structure_next_member (&layout))
+    {
+      struct objc_ivar *ivar;
+      const char *ivar_type;
+
+      if (i > ivars->ivar_count)
+        {
+          printf ("too many ivars in type %s, layout = %s\n",
+                  type, layout.type);
+          exit (1);
+        }
+
+      ivar = &(ivars->ivar_list[i]);
+      objc_layout_structure_get_info (&layout, &position, NULL, &ivar_type);
+      printf ("real ivar '%s' offset %d\n",
+              ivar->ivar_name, ivar->ivar_offset);
+      printf ("computed type '%s' offset %d\n", ivar_type, position);
+      if (position != ivar->ivar_offset)
+        {
+          printf ("offset %d and computed position %d don't match on ivar '%s'"
+                  " (i = %d)\n",
+                  ivar->ivar_offset, position, ivar->ivar_name, i);
+          exit (1);
+        }
+      i++;
+    }
+  
+  printf ("%d ivars checked\n", i);
+}
+#endif
+
+int main ()
+{
+#ifndef __OBJC2__
+  struct class_vars
+    {
+      @defs (MyObject);
+    };
+  int size1, size2;
+  Class class = objc_get_class ("MyObject");
+  printf ("type = %s\n", @encode (struct class_vars));
+  print_ivars (class);
+
+  compare_structures (class, @encode(struct class_vars));
+  if ((size1 = objc_sizeof_type (@encode(struct class_vars)))
+      != (size2 = sizeof (struct class_vars)))
+    {
+      printf ("sizes don't match (computed %d, exact %d)\n", size1, size2);
+      abort ();
+    }
+#endif
+  
+  exit (0);
+}
+#ifndef __OBJC2__
+#include "../../objc-obj-c++-shared/objc-test-suite-next-encode-assist-impl.h"
+#endif