7903475: Jextract should use new byte-based layout methods

Reviewed-by: jvernee
openjdk · May 30, 2023 · 3f41267 · 3f41267
1 parent 9feb042
commit 3f41267
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Showing 28 changed files with 97 additions and 94 deletions.
diff --git a/src/main/java/org/openjdk/jextract/Type.java b/src/main/java/org/openjdk/jextract/Type.java
@@ -129,11 +129,11 @@ enum Kind {
             /**
              * {@code float} type.
              */
-            Float("float", ValueLayout.JAVA_FLOAT.withBitAlignment(32)),
+            Float("float", ValueLayout.JAVA_FLOAT),
             /**
              * {@code double} type.
              */
-            Double("double", ValueLayout.JAVA_DOUBLE.withBitAlignment(64)),
+            Double("double", ValueLayout.JAVA_DOUBLE),
             /**
               * {@code long double} type.
               */

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/CXString.java b/src/main/java/org/openjdk/jextract/clang/libclang/CXString.java
@@ -45,7 +45,7 @@ public class CXString {
     static final StructLayout $struct$LAYOUT = MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     );
     public static MemoryLayout $LAYOUT() {
         return CXString.$struct$LAYOUT;

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/CXType.java b/src/main/java/org/openjdk/jextract/clang/libclang/CXType.java
@@ -44,7 +44,7 @@ public class CXType {
 
     static final StructLayout $struct$LAYOUT = MemoryLayout.structLayout(
         Constants$root.C_INT$LAYOUT.withName("kind"),
-        MemoryLayout.paddingLayout(32),
+        MemoryLayout.paddingLayout(4),
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
     );
     public static MemoryLayout $LAYOUT() {

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/Constants$root.java b/src/main/java/org/openjdk/jextract/clang/libclang/Constants$root.java
@@ -44,7 +44,7 @@ final class Constants$root {
     static final OfLong C_LONG_LONG$LAYOUT = JAVA_LONG;
     static final OfFloat C_FLOAT$LAYOUT = JAVA_FLOAT;
     static final OfDouble C_DOUBLE$LAYOUT = JAVA_DOUBLE;
-    static final AddressLayout C_POINTER$LAYOUT = ADDRESS.withBitAlignment(64)
+    static final AddressLayout C_POINTER$LAYOUT = ADDRESS
             .withTargetLayout(MemoryLayout.sequenceLayout(C_CHAR$LAYOUT));
 }
 

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$0.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$0.java
@@ -40,7 +40,7 @@ final class constants$0 {
         MemoryLayout.structLayout(
             Constants$root.C_POINTER$LAYOUT.withName("data"),
             Constants$root.C_INT$LAYOUT.withName("private_flags"),
-            MemoryLayout.paddingLayout(32)
+            MemoryLayout.paddingLayout(4)
         )
     );
     static final MethodHandle clang_getCString$MH = RuntimeHelper.downcallHandle(
@@ -51,7 +51,7 @@ final class constants$0 {
         MemoryLayout.structLayout(
             Constants$root.C_POINTER$LAYOUT.withName("data"),
             Constants$root.C_INT$LAYOUT.withName("private_flags"),
-            MemoryLayout.paddingLayout(32)
+            MemoryLayout.paddingLayout(4)
         )
     );
     static final MethodHandle clang_disposeString$MH = RuntimeHelper.downcallHandle(
@@ -76,7 +76,7 @@ final class constants$0 {
     static final FunctionDescriptor clang_getFileName$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         Constants$root.C_POINTER$LAYOUT
     );
@@ -87,7 +87,7 @@ final class constants$0 {
     static final FunctionDescriptor clang_getNullLocation$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("ptr_data"),
         Constants$root.C_INT$LAYOUT.withName("int_data"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ));
     static final MethodHandle clang_getNullLocation$MH = RuntimeHelper.downcallHandle(
         "clang_getNullLocation",

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$1.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$1.java
@@ -40,12 +40,12 @@ final class constants$1 {
         MemoryLayout.structLayout(
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("ptr_data"),
             Constants$root.C_INT$LAYOUT.withName("int_data"),
-            MemoryLayout.paddingLayout(32)
+            MemoryLayout.paddingLayout(4)
         ),
         MemoryLayout.structLayout(
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("ptr_data"),
             Constants$root.C_INT$LAYOUT.withName("int_data"),
-            MemoryLayout.paddingLayout(32)
+            MemoryLayout.paddingLayout(4)
         )
     );
     static final MethodHandle clang_equalLocations$MH = RuntimeHelper.downcallHandle(
@@ -55,7 +55,7 @@ final class constants$1 {
     static final FunctionDescriptor clang_getLocation$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("ptr_data"),
         Constants$root.C_INT$LAYOUT.withName("int_data"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         Constants$root.C_POINTER$LAYOUT,
         Constants$root.C_POINTER$LAYOUT,
@@ -69,7 +69,7 @@ final class constants$1 {
     static final FunctionDescriptor clang_getLocationForOffset$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("ptr_data"),
         Constants$root.C_INT$LAYOUT.withName("int_data"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         Constants$root.C_POINTER$LAYOUT,
         Constants$root.C_POINTER$LAYOUT,
@@ -83,7 +83,7 @@ final class constants$1 {
         MemoryLayout.structLayout(
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("ptr_data"),
             Constants$root.C_INT$LAYOUT.withName("int_data"),
-            MemoryLayout.paddingLayout(32)
+            MemoryLayout.paddingLayout(4)
         )
     );
     static final MethodHandle clang_Location_isInSystemHeader$MH = RuntimeHelper.downcallHandle(
@@ -94,7 +94,7 @@ final class constants$1 {
         MemoryLayout.structLayout(
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("ptr_data"),
             Constants$root.C_INT$LAYOUT.withName("int_data"),
-            MemoryLayout.paddingLayout(32)
+            MemoryLayout.paddingLayout(4)
         )
     );
     static final MethodHandle clang_Location_isFromMainFile$MH = RuntimeHelper.downcallHandle(

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$10.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$10.java
@@ -39,7 +39,7 @@ final class constants$10 {
     static final FunctionDescriptor clang_isVolatileQualifiedType$FUNC = FunctionDescriptor.of(Constants$root.C_INT$LAYOUT,
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -50,11 +50,11 @@ final class constants$10 {
     static final FunctionDescriptor clang_getTypedefName$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -64,12 +64,12 @@ final class constants$10 {
     );
     static final FunctionDescriptor clang_getPointeeType$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_INT$LAYOUT.withName("kind"),
-        MemoryLayout.paddingLayout(32),
+        MemoryLayout.paddingLayout(4),
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -84,7 +84,7 @@ final class constants$10 {
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -95,7 +95,7 @@ final class constants$10 {
     static final FunctionDescriptor clang_getTypeKindSpelling$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         Constants$root.C_INT$LAYOUT
     );
@@ -106,7 +106,7 @@ final class constants$10 {
     static final FunctionDescriptor clang_getFunctionTypeCallingConv$FUNC = FunctionDescriptor.of(Constants$root.C_INT$LAYOUT,
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$11.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$11.java
@@ -38,12 +38,12 @@ final class constants$11 {
     private constants$11() {}
     static final FunctionDescriptor clang_getResultType$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_INT$LAYOUT.withName("kind"),
-        MemoryLayout.paddingLayout(32),
+        MemoryLayout.paddingLayout(4),
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -54,7 +54,7 @@ final class constants$11 {
     static final FunctionDescriptor clang_getNumArgTypes$FUNC = FunctionDescriptor.of(Constants$root.C_INT$LAYOUT,
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -64,12 +64,12 @@ final class constants$11 {
     );
     static final FunctionDescriptor clang_getArgType$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_INT$LAYOUT.withName("kind"),
-        MemoryLayout.paddingLayout(32),
+        MemoryLayout.paddingLayout(4),
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         ),
         Constants$root.C_INT$LAYOUT
@@ -81,7 +81,7 @@ final class constants$11 {
     static final FunctionDescriptor clang_isFunctionTypeVariadic$FUNC = FunctionDescriptor.of(Constants$root.C_INT$LAYOUT,
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -91,7 +91,7 @@ final class constants$11 {
     );
     static final FunctionDescriptor clang_getCursorResultType$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_INT$LAYOUT.withName("kind"),
-        MemoryLayout.paddingLayout(32),
+        MemoryLayout.paddingLayout(4),
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
     ),
         MemoryLayout.structLayout(
@@ -106,12 +106,12 @@ final class constants$11 {
     );
     static final FunctionDescriptor clang_getElementType$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_INT$LAYOUT.withName("kind"),
-        MemoryLayout.paddingLayout(32),
+        MemoryLayout.paddingLayout(4),
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$12.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$12.java
@@ -39,7 +39,7 @@ final class constants$12 {
     static final FunctionDescriptor clang_getNumElements$FUNC = FunctionDescriptor.of(Constants$root.C_LONG_LONG$LAYOUT,
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -49,12 +49,12 @@ final class constants$12 {
     );
     static final FunctionDescriptor clang_getArrayElementType$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_INT$LAYOUT.withName("kind"),
-        MemoryLayout.paddingLayout(32),
+        MemoryLayout.paddingLayout(4),
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -65,7 +65,7 @@ final class constants$12 {
     static final FunctionDescriptor clang_getArraySize$FUNC = FunctionDescriptor.of(Constants$root.C_LONG_LONG$LAYOUT,
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -76,7 +76,7 @@ final class constants$12 {
     static final FunctionDescriptor clang_Type_getSizeOf$FUNC = FunctionDescriptor.of(Constants$root.C_LONG_LONG$LAYOUT,
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         )
     );
@@ -87,7 +87,7 @@ final class constants$12 {
     static final FunctionDescriptor clang_Type_getOffsetOf$FUNC = FunctionDescriptor.of(Constants$root.C_LONG_LONG$LAYOUT,
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
-            MemoryLayout.paddingLayout(32),
+            MemoryLayout.paddingLayout(4),
             MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("data")
         ),
         Constants$root.C_POINTER$LAYOUT

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$13.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$13.java
@@ -90,7 +90,7 @@ final class constants$13 {
     static final FunctionDescriptor clang_getCursorUSR$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$14.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$14.java
@@ -39,7 +39,7 @@ final class constants$14 {
     static final FunctionDescriptor clang_getCursorSpelling$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
@@ -89,7 +89,7 @@ final class constants$14 {
     static final FunctionDescriptor clang_getCursorPrettyPrinted$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$15.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$15.java
@@ -39,7 +39,7 @@ final class constants$15 {
     static final FunctionDescriptor clang_getCursorDisplayName$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),
@@ -106,7 +106,7 @@ final class constants$15 {
     static final FunctionDescriptor clang_Cursor_getMangling$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         MemoryLayout.structLayout(
             Constants$root.C_INT$LAYOUT.withName("kind"),

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$16.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$16.java
@@ -49,7 +49,7 @@ final class constants$16 {
     static final FunctionDescriptor clang_getTokenSpelling$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         Constants$root.C_POINTER$LAYOUT,
         MemoryLayout.structLayout(
@@ -64,7 +64,7 @@ final class constants$16 {
     static final FunctionDescriptor clang_getTokenLocation$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         MemoryLayout.sequenceLayout(2, Constants$root.C_POINTER$LAYOUT).withName("ptr_data"),
         Constants$root.C_INT$LAYOUT.withName("int_data"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         Constants$root.C_POINTER$LAYOUT,
         MemoryLayout.structLayout(

diff --git a/src/main/java/org/openjdk/jextract/clang/libclang/constants$17.java b/src/main/java/org/openjdk/jextract/clang/libclang/constants$17.java
@@ -39,7 +39,7 @@ final class constants$17 {
     static final FunctionDescriptor clang_getCursorKindSpelling$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ),
         Constants$root.C_INT$LAYOUT
     );
@@ -50,7 +50,7 @@ final class constants$17 {
     static final FunctionDescriptor clang_getClangVersion$FUNC = FunctionDescriptor.of(MemoryLayout.structLayout(
         Constants$root.C_POINTER$LAYOUT.withName("data"),
         Constants$root.C_INT$LAYOUT.withName("private_flags"),
-        MemoryLayout.paddingLayout(32)
+        MemoryLayout.paddingLayout(4)
     ));
     static final MethodHandle clang_getClangVersion$MH = RuntimeHelper.downcallHandle(
         "clang_getClangVersion",