From 04029171008f93d6e094689aeb5ec7d880171d65 Mon Sep 17 00:00:00 2001
From: Katy Coe <djkaty@start.no>
Date: Wed, 5 Feb 2020 08:07:00 +0100
Subject: [PATCH] IDA: Generate function boundaries for all known functions

---
 Il2CppDumper/Il2CppIDAScriptDumper.cs | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/Il2CppDumper/Il2CppIDAScriptDumper.cs b/Il2CppDumper/Il2CppIDAScriptDumper.cs
index f8fd47f..45b702b 100644
--- a/Il2CppDumper/Il2CppIDAScriptDumper.cs
+++ b/Il2CppDumper/Il2CppIDAScriptDumper.cs
@@ -32,6 +32,9 @@ namespace Il2CppInspector
             writeSectionHeader("Metadata Usages");
             writeUsages();
 
+            writeSectionHeader("Function boundaries");
+            writeFunctions();
+
             writeSectionHeader("IL2CPP Metadata");
             writeMetadata();
 
@@ -51,7 +54,16 @@ def SetName(addr, name):
   ret = idc.set_name(addr, name, SN_NOWARN | SN_NOCHECK)
   if ret == 0:
     new_name = name + '_' + str(addr)
-    ret = idc.set_name(addr, new_name, SN_NOWARN | SN_NOCHECK)"
+    ret = idc.set_name(addr, new_name, SN_NOWARN | SN_NOCHECK)
+
+def MakeFunction(start, end):
+  next_func = idc.get_next_func(start)
+  if next_func < end:
+    end = next_func
+  current_func = idaapi.get_func(start)
+  if current_func is not None and current_func.startEA == start:
+    ida_funcs.del_func(start)
+  ida_funcs.add_func(start, end)"
             );
         }
 
@@ -113,6 +125,12 @@ def SetName(addr, name):
             }
         }
 
+        private void writeFunctions() {
+            foreach (var func in model.Package.FunctionAddresses)
+                if (func.Key != func.Value)
+                    writeLine($"MakeFunction({func.Key.ToAddressString()}, {func.Value.ToAddressString()})");
+        }
+
         private void writeMetadata() {
             var binary = model.Package.Binary;