From 2c29e6ec603d652fc7567df1bed33105fe09e821 Mon Sep 17 00:00:00 2001
From: Filip Navara <navara@emclient.com>
Date: Fri, 19 Aug 2022 16:11:10 +0200
Subject: [PATCH] Explicitly specify calling convention for
 UnmanagedCallersOnly

---
 src/providers/provider.tt | 29 +++++++++++++++--------------
 1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/src/providers/provider.tt b/src/providers/provider.tt
index a9580fe0..56f4042f 100644
--- a/src/providers/provider.tt
+++ b/src/providers/provider.tt
@@ -49,6 +49,7 @@ namespace SQLitePCL
 {
     using System;
     using System.Collections.Generic;
+    using System.Runtime.CompilerServices;
     using System.Runtime.InteropServices;
 	using System.Reflection;
 	using System.Text;
@@ -221,7 +222,7 @@ namespace SQLitePCL
     {
         if (FEATURE_FUNCPTRS == "FEATURE_FUNCPTRS/true")
         {
-            return "[UnmanagedCallersOnly]";
+            return $"[UnmanagedCallersOnly (CallConvs = new[] {{ typeof(CallConv{CONV}) }})]";
         }
         else
         {
@@ -248,31 +249,31 @@ namespace SQLitePCL
             switch (cb)
             {
                 case "exec":
-                    return "delegate* unmanaged <IntPtr, int, IntPtr, IntPtr, int>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, int, IntPtr, IntPtr, int>";
                 case "commit":
-                    return "delegate* unmanaged <IntPtr, int>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, int>";
                 case "scalar_function":
-                    return "delegate* unmanaged <IntPtr, int, IntPtr, void>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, int, IntPtr, void>";
                 case "agg_function_step":
-                    return "delegate* unmanaged <IntPtr, int, IntPtr, void>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, int, IntPtr, void>";
                 case "agg_function_final":
-                    return "delegate* unmanaged <IntPtr, void>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, void>";
                 case "log":
-                    return "delegate* unmanaged <IntPtr, int, IntPtr, void>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, int, IntPtr, void>";
                 case "collation":
-                    return "delegate* unmanaged <IntPtr, int, IntPtr, int, IntPtr, int>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, int, IntPtr, int, IntPtr, int>";
                 case "rollback":
-                    return "delegate* unmanaged <IntPtr, void>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, void>";
                 case "update":
-                    return "delegate* unmanaged <IntPtr, int, IntPtr, IntPtr, Int64, void>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, int, IntPtr, IntPtr, Int64, void>";
                 case "trace":
-                    return "delegate* unmanaged <IntPtr, IntPtr, void>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, IntPtr, void>";
                 case "profile":
-                    return "delegate* unmanaged <IntPtr, IntPtr, long, void>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, IntPtr, long, void>";
                 case "progress_handler":
-                    return "delegate* unmanaged <IntPtr, int>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, int>";
                 case "authorizer":
-                    return "delegate* unmanaged <IntPtr, int, IntPtr, IntPtr, IntPtr, IntPtr, int>";
+                    return $"delegate* unmanaged[{CONV}] <IntPtr, int, IntPtr, IntPtr, IntPtr, IntPtr, int>";
                 default:
                     throw new NotImplementedException();
             }