Fix passing of struct with bitfields on x86-64

[thirdparty/binutils-gdb.git] / gdb / amd64-tdep.c

diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c
index d4c96de571648258365819fe8b780179f590e77d..31791f9a9f19b30eb229c1e8b6b94d539985d769 100644 (file)
--- a/gdb/amd64-tdep.c
+++ b/gdb/amd64-tdep.c
@@ -555,11 +555,13 @@ amd64_has_unaligned_fields (struct type *type)
          int bitpos = TYPE_FIELD_BITPOS (type, i);
          int align = type_align(subtype);
 
-         /* Ignore static fields, or empty fields, for example nested
-            empty structures.  */
+         /* Ignore static fields, empty fields (for example nested
+            empty structures), and bitfields (these are handled by
+            the caller).  */
          if (field_is_static (&TYPE_FIELD (type, i))
              || (TYPE_FIELD_BITSIZE (type, i) == 0
-                 && TYPE_LENGTH (subtype) == 0))
+                 && TYPE_LENGTH (subtype) == 0)
+             || TYPE_FIELD_PACKED (type, i))
            continue;
 
          if (bitpos % 8 != 0)
@@ -569,7 +571,7 @@ amd64_has_unaligned_fields (struct type *type)
          if (bytepos % align != 0)
            return true;
 
-         if (amd64_has_unaligned_fields(subtype))
+         if (amd64_has_unaligned_fields (subtype))
            return true;
        }
     }