diff --git a/gdb/features/arm-core.xml b/gdb/features/arm-core.xml
index 16249011c9d..59e59e96c6b 100644
--- a/gdb/features/arm-core.xml
+++ b/gdb/features/arm-core.xml
@@ -7,19 +7,19 @@
 
 <!DOCTYPE feature SYSTEM "gdb-target.dtd">
 <feature name="org.gnu.gdb.arm.core">
-  <reg name="r0" bitsize="32"/>
-  <reg name="r1" bitsize="32"/>
-  <reg name="r2" bitsize="32"/>
-  <reg name="r3" bitsize="32"/>
-  <reg name="r4" bitsize="32"/>
-  <reg name="r5" bitsize="32"/>
-  <reg name="r6" bitsize="32"/>
-  <reg name="r7" bitsize="32"/>
-  <reg name="r8" bitsize="32"/>
-  <reg name="r9" bitsize="32"/>
-  <reg name="r10" bitsize="32"/>
-  <reg name="r11" bitsize="32"/>
-  <reg name="r12" bitsize="32"/>
+  <reg name="r0" bitsize="32" type="uint32"/>
+  <reg name="r1" bitsize="32" type="uint32"/>
+  <reg name="r2" bitsize="32" type="uint32"/>
+  <reg name="r3" bitsize="32" type="uint32"/>
+  <reg name="r4" bitsize="32" type="uint32"/>
+  <reg name="r5" bitsize="32" type="uint32"/>
+  <reg name="r6" bitsize="32" type="uint32"/>
+  <reg name="r7" bitsize="32" type="uint32"/>
+  <reg name="r8" bitsize="32" type="uint32"/>
+  <reg name="r9" bitsize="32" type="uint32"/>
+  <reg name="r10" bitsize="32" type="uint32"/>
+  <reg name="r11" bitsize="32" type="uint32"/>
+  <reg name="r12" bitsize="32" type="uint32"/>
   <reg name="sp" bitsize="32" type="data_ptr"/>
   <reg name="lr" bitsize="32"/>
   <reg name="pc" bitsize="32" type="code_ptr"/>