From: kettenis <kettenis>
Date: Sat, 10 Jan 2004 17:58:29 +0000 (+0000)
Subject: * x86-64-tdep.c (amd64_non_pod_p): New function.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=5cee2c17c6e84fdcd6b1638bf15f758b902ced26;p=pf3gnuchains%2Fsourceware.git

* x86-64-tdep.c (amd64_non_pod_p): New function.
(amd64_classify_aggregate): Return class memory for non-POD
C++ structure types.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index bdf88b9130..929fe9b4b0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,9 @@
 2004-01-10  Mark Kettenis  <kettenis@gnu.org>
 
+	* x86-64-tdep.c (amd64_non_pod_p): New function.
+	(amd64_classify_aggregate): Return class memory for non-POD
+	C++ structure types.
+
 	* x86-64-tdep.c (amd64_push_arguments): Add struct_return
 	argument.  Use it to reserve a register if necessary.
 	(amd64_push_dummy_call): Pass STRUCT_RETURN in call to
diff --git a/gdb/x86-64-tdep.c b/gdb/x86-64-tdep.c
index 242d597ace..fcb29edc25 100644
--- a/gdb/x86-64-tdep.c
+++ b/gdb/x86-64-tdep.c
@@ -270,6 +270,19 @@ amd64_merge_classes (enum amd64_reg_class class1, enum amd64_reg_class class2)
 
 static void amd64_classify (struct type *type, enum amd64_reg_class class[2]);
 
+/* Return non-zero if TYPE is a non-POD structure or union type.  */
+
+static int
+amd64_non_pod_p (struct type *type)
+{
+  /* ??? A class with a base class certainly isn't POD, but does this
+     catch all non-POD structure types?  */
+  if (TYPE_CODE (type) == TYPE_CODE_STRUCT && TYPE_N_BASECLASSES (type) > 0)
+    return 1;
+
+  return 0;
+}
+
 /* Classify TYPE according to the rules for aggregate (structures and
    arrays) and union types, and store the result in CLASS.  */
 
@@ -281,7 +294,7 @@ amd64_classify_aggregate (struct type *type, enum amd64_reg_class class[2])
   /* 1. If the size of an object is larger than two eightbytes, or in
         C++, is a non-POD structure or union type, or contains
         unaligned fields, it has class memory.  */
-  if (len > 16)
+  if (len > 16 || amd64_non_pod_p (type))
     {
       class[0] = class[1] = AMD64_MEMORY;
       return;