updated odb code generation to include alignment check

Signed-off-by: Ethan Mahintorabi <[email protected]>

Author: QuantamHD

src/odb/src/codeGenerator/schema/chip/dbModITerm.json

@@ -1,6 +1,7 @@
 {
     "name":"dbModITerm",
     "needs_non_default_destructor" : "true",
+    "assert_alignment_is_multiple_of": 8,
     "fields":[
         {
             "name":"_name",

src/odb/src/codeGenerator/templates/impl.cpp

@@ -84,6 +84,10 @@ namespace odb {
 
   _{{klass.name}}::_{{klass.name}}(_dbDatabase* db)
   {
+    {% if klass.assert_alignment_is_multiple_of %}
+    // For pointer tagging the bottom log_2({{klass.assert_alignment_is_multiple_of}}) bits.
+    static_assert(alignof(_{{klass.name}}) % {{klass.assert_alignment_is_multiple_of}} == 0);
+    {% endif%}
     {% for field in klass.fields %}
       {% if field.bitFields %}
         {{field.name}} = {};

src/odb/src/db/dbModITerm.cpp

@@ -57,7 +57,7 @@ bool _dbModITerm::operator<(const _dbModITerm& rhs) const
 
 _dbModITerm::_dbModITerm(_dbDatabase* db)
 {
-  // For pointer tagging the bottom 3 bits.
+  // For pointer tagging the bottom log_2(8) bits.
   static_assert(alignof(_dbModITerm) % 8 == 0);
   _name = nullptr;
 }